svr-200 service manual.pmd
TRANSCRIPT
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SVR-200 Service Manual
SVR-200Vehicular Repeater
This manual is intended for use by qualified technicians and includes all necessary information pertaining to theSVR-200 operation, circuit design and maintenance. Changes that occur after date of printing will beincorporated in supplemental service publications.
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SVR-200 Service Manual
ForewordScope of this manual
This manual contains the specifications, functional description, operating instructions, schematic, parts locatorand parts list for the SVR-200 synthesized vehicular repeater.
This manual is intended for use by qualified service technicians to aid them with installation, interfacing,alignment and trouble shooting of the SVR-200 when used with other land mobile radios.
Service manual revisions
Component changes, additions and deletions may occur in the circuit design to improve operation and will bereflected in future releases of this service manual. Specifications and circuit changes are subject to change withoutprior notice or obligation by Pyramid Communications.
Safety Information
The SVR-200 is designed to operate within all applicable Federal regulations at the time of manufacture. Properoperation and service procedures will assure continued compliance with these regulations:
• Do not operate the SVR-200 without an antenna or appropriate RF load connected to the antenna connector.
• Do not operate the SVR-200 in the presence of unshielded electrical blasting caps or explosive environmentalconditions.
• Do not operate the SVR-200 while refueling the vehicle or in the presence of explosive fumes.
• Do not operate the SVR-200 with persons standing closer than 2 feet from the mobile or repeater antenna.
FCC informationThe SVR-200 complies with the FCC rules parts 90 and 22 for radio frequency transmitters. The user must applyfor a license to operate the SVR-200 transmitter pursuant to parts 90.243 and 90.247. Other FCC rules may applydepending on the class of service the user qualifies for. A complete listing of FCC rules and regulations may beordered from:
Superintendent of DocumentsGovernment printing officeWashington DC 20402
The following information pertaining to the SVR-200 should be included in the FCC license application:
VHF UHF 700/800/900 MHzType Acceptance: LRUSVR-200VB LRUSVR-200U LRUSVR-200MOutput Power: 0.25-2.0W 0.25-2.0W 100mW-600mWEmission designator: 11K0F3E/16K0F3E 11K0F3E/16K0F3E 11K0F3E/16K0F3EFrequency band: 150-174 MHz 400-512MHz 764-806(700M), 806-824 or 850-870(800M)
897-902 or 936-941 (900M)Number of Channels: 1/14 1/14 1/14
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SVR-200 Service Manual
SpecificationsTransmitter: VHF UHF 700/800/900 MHz
Frequency Range: 150-174 MHz 405-425 MHz (UA)1 764-776, 794-806 (MC,MD)450-470 MHz (UD) 806-824, 850-870 (MB,MA)470-490 MHz (UE)1 897-902, 936-941 (ME,MF)
Rf power out: 250mW - 2W 250mW - 2W 100mW - 600mWSpurious emissions: -50dBc -50 dBc -50dBcFreq stability -30°~+60°C: 1.5 PPM 1.5 PPM 1.5 PPMModulation: 16K0F3E /11K0F3E 16K0F3E /11K0F3E 16K0F3E2/11K0F3EHum and Noise: -40/-37dB (25/12.5kHz) -40/-37dB (25/12.5kHz) -40/-37dB (25/12.5kHz)Audio response (300-3kHz): Flat or +6dB/octave Flat or +6dB/octave Flat or +6dB/octaveAudio distortion: <3% @ 60% deviation <3% @ 60% deviation <3% @ 60% deviationLocal mic sensitivity: 300mV-5VPP 300mV-5VPP 300mV-5VPPFCC Type Acceptance: LRUSVR-200VB LRUSVR-200U LRUSVR-200MIndustry Canada Approval: 2390 195 458A 2390 212 113A 2390A-SVR200M
Receiver:
Frequency Range: 150-174 MHz 405-425 MHz (UA)1 764-776, 794-806 (MC,MD)450-470 MHz (UD) 806-824, 850-870 (MB,MA)470-490 MHz (UE)1 897-902, 936-941 (ME,MF)
RF sensitivity: .35μV .35μV .35μVSquelch sensitivity: .2μV to 2μV adjustable .2μV to 2μV adjustable .2μV to 2μV adjustableModulation acceptance: ±7.5 /±3.75kHz ±7.5 /±3.75kHz ±7.52 /±3.75kHzSelectivity: 60/57dB (25/12.5 kHz) 60/57dB (25/12.5 kHz) 50dBSpurious/image rejection: 60db 60db 60dbIMD response: 60db 60db 60dbFrequency stability: 1.5 PPM 1.5 PPM 1.5 PPMAudio response (300-3kHz): Flat or -6db/octave Flat or -6db/octave Flat or -6db/octaveAudio output: 0-5VPP AC coupled 0-5VPP AC coupled 0-5VPP AC coupledLocal Rx Audio: 400 mW 8 Ohms 400 mW 8 Ohms 400 mW 8 Ohms
Power Requirements:
DC Supply 13.6 VDC 13.6VDC 13.6VDCStandby 170 mA 170mA 170mAReceive 250 mA 250mA 250mATransmit 1 A @ 2W 1.5A @ 2W 700mA @ 600mW
Physical:
Dimensions: 5.275"W x 6"L x 1.12"HWeight: 18 oz.Case: One piece extruded aluminium
1405-425 and 470-490 available as special order Only216K0F3E & ±7.5kHz available on 806-824 and 850-870 MHz Only
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SVR-200 Service Manual
Functional DescriptionGenerally, vehicular repeaters are used as mobile extenders in cross-band operation: the link is VHF/UHF/800
MHz simplex and the mobile is Lo-band, VHF, UHF or trunking. In-band operation is possible, but care must betaken to prevent interference between the mobile's higher power transmitter and the repeater receiver. Properfrequency selection and antenna placement are important even in cross-band operation, but especially for inbanduse. The use of low power pre-selector cavities may be placed in line with the repeater antenna cable since it issimplex and low power.
Important NoteThe SVR-200 operates on simplex frequencies; part of the multi-vehicle format dictates that all of the
SVR-200s must be able to monitor all link traffic on site and be able to determine if a handheld is transmitting, orif other repeaters are transmitting. The handhelds must transmit CTCSS, but should be carrier squelch receive.The handhelds should not use CTCSS decode if the repeater is utilizing the multi-vehicle format, as this willinterfere with the priority sampling which is essential for multi-vehicle operation. Also, the handhelds would haveto have different encode and decode tones in order for the repeater to be able to tell the difference betweenhandhelds and other repeaters, so the handhelds would not be able to hear each other. The repeaters should nottransmit CTCSS unless used only in a single vehicle environment.
When the user leaves the vehicle, they activate the SVR-200 via their mobile radio front panel or a separateswitch. When the mobile radio is receiving carrier and proper tone, the SVR-200 will begin transmitting on thehandheld’s receive frequency. The user is able to hear and respond to all radio traffic, including other handheldsat the site. The SVR-200 can be programmed to give the handhelds priority in a conversation by periodicallysampling for handheld activity (carrier and proper tone) during base-to-portable transmissions. During sampling,if the SVR-200 detects a handheld transmission, it will cease transmissions, key the mobile radio and repeatportable-to-base. This allows the handheld to respond during repeater hang time or during full duplex interconnectcalls. Priority sampling can be enabled/disabled through PC programming and the interval can be programmedbetween .25 seconds and 2.5 seconds in .25 second increments.
The SVR-200 has a fixed 3 minute time out timer for base-to-portable transmissions. If the mobile COR isactive for more than 3 minutes (and the SVR-200 is the priority unit) it will send a double blip and cease transmissionuntil the mobile COR is inactive. The 3 minute time-out is in affect regardless of whether the SVR-200 isprogrammed for priority sampling or not.
Multi-vehicle operationWhen the SVR-200 is first activated, it will transmit a short “lock tone” that alerts the user that the system isfunctioning. It will then assume the priority status and be ready to repeat any base-to-portable or portable-to-basetransmissions. If another unit arrives on scene and is activated, it too will transmit the “lock tone”; when the firstSVR-200 detects the lock tone from the second unit, it will increment a “priority counter” and will no longer repeatany transmissions. The recently arrived unit will be the priority repeater, and the first unit will be 1 count away frompriority. This process will continue for each unit that arrives at the site, creating a priority hierarchy for up to 256vehicles, each with a unique count and only one unit at priority status. The SVR-200 will not transmit it’s lock toneif the radio channel is busy when first enabled. It will wait in non-priority status until all transmissions cease, thensend its lock tone and become the priority unit.
Even though the other SVR-200s are not at priority status, they will continue to monitor the channel for activity.If the priority unit were to leave the scene or become disabled, the other units will detect the condition to repeatand determine that there is no priority unit repeating the transmission. They will then begin to decrement theirpriority counters until one of them reaches the priority status and begins repeating the transmission. Since theSVR-200s are all at different counts, only one will reach priority status and begin transmitting. The other units willsense the new priority repeater and cease counting down, preserving the priority hierarchy.
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SVR-200 Service Manual
If another unit were to arrive from a different scene and it is still the active priority, there will be two activerepeaters on the air when a condition to repeat exists. When one of the SVR-200s unkeys to check for handheldactivity, it will detect the presence of the other active SVR-200 and increment it’s priority counter and ceasetransmission. This is the self clearing mode to prevent radio collisions.
If the handheld operator is out of the vehicle and their partner still in the vehicle were to key the mobile radiousing the local mic, the SVR-200 will detect the local PTT and repeat the transmission to the other handhelds sothat both sides of the conversation will be heard by everyone on the link. The local mic repeat function can beenabled/disabled via the PC software.
The SVR-200 also has a local receive audio speaker jack that enables the person in the vehicle to monitorportable-to-base transmissions that are being repeated through the mobile.
If the users wish to communicate portable-to-portable without accessing the mobile repeater, they may transmiton the same frequency without CTCSS (or a different CTCSS); the SVR-200 only responds to carrier and propertone from the handhelds.
Trunking operation
When the SVR-200 is connected to a trunking mobile and the handheld operator wishes to access the system,they key their handheld briefly then release. The SVR-200 will attempt to acquire a voice channel on the trunkingsystem by keying the mobile for 200mS and monitoring the on-air detect line from the mobile. If it does not seethe radio transmit at all (system is busy), it will send a low tone to the hand held operator to alert them that the systemis busy. The SVR-200 will automatically retry every 5 seconds and send busy tone to the handheld with eachunsuccessful attempt to indicate progress of the call attempt. If unsuccessful after 30 seconds, the SVR-200 willtransmit intercept tone to alert the handheld operator that the call attempt failed.
When the SVR-200 detects that the mobile is transmitting, it will continue to monitor the on-air line until thetransmitter remains keyed for at least 250mS to ensure that the radio is merely handshaking or retrying. Aftersuccessful acquisition of a voice channel, it will continue to hold the mobile PTT active for 2 seconds and transmita go-ahead blip to the handheld operator. The user then keys their handheld to speak on the voice channel. If theuser does not key up within the 2 second period, the SVR-200 will unkey the mobile and send intercept tone asbefore.
If the user keys their handheld only once, or they key the first time for more than 1 second, the SVR-200 willcancel the call attempt and send intercept tone to the handheld operator. All of the queuing and error tones will onlybe sent if the handheld is not transmitting to ensure that the user hears the proper tones.
LEDs
CPU: Flashes at a 1 Hz rate to indicate proper operation of the microprocessor.PRI: When on, indicates that the unit is at priority count zero and will repeat all transmissions.RCOR: Repeater Carrier detect.RTONE: Repeater sub-audible decode; when on, indicates a condition to repeat portable-to-base.RTX: Repeater transmit indicator.MCOR: Mobile unmute detector indicating a condition to repeat base-to-portable.MTX: Mobile transmit indicator.OPT: Should be on steady during programming operations only. If OPT LED flashes at 10Hz rate, it is an
indication that the PLL did not lock within the allotted 50mS and the unit should be serviced.
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SVR-200 Service Manual
InstallationBefore installing the SVR-200, ensure that the RF and repeater sections are properly aligned per the tuning
instructions on pages 8-14 of this manual. Additionally, ensure that the SVR-200 jumpers are properly configuredfor use with the particular mobile radio that it will be connected to:
J1 Controls the maximum drive level of the transmit audio output to the mobile radio. If J1 is installed, output ampU1B will have an adjustment range of 0-100 mVPP. If J1 is removed, U1B can be adjusted between 0-5VPP.
J2 Controls the output impedance of the transmit audio line to the mobile radio. If connected to a low impedancepoint in the mobile, installing JP2 sets the output impedance to 600 ohms. If JP2 is open, the output impedanceis 2.2Kohms. Install the jumper for radios that require a lot of modulation drive or that have low impedancemicrophone circuits. Remove the jumper if the SVR-200 installation decreases local microphone audio at themobile.
J3 Used for testing the SVR-200 receiver and setting the lock tone deviation transmit level. If JP3 is shorted atpower up, the SVR-200 receiver will be active all of the time and receiver audio will be heard at the speakerregardless of the repeater squelch setting or CTCSS tone decoded. Remove the jumper and turn the SVR-200off to return to normal operation. If JP3 is shorted while power is applied, the SVR-200 will go into transmitmode and send lock tone for as long as the jumper is shorted. Remove the jumper to return to normal operation.
J4 Used to internally tie the local mic input of the SVR-200 to the transmit audio output line which is usuallyconnected to the mic hi line in the mobile.
J5 Used to internally tie the on-air detect input of the SVR-200 to the PTT output. Do so only on conventionalradios; trunking radios must have the on-air detect line connected to a line indicating that the radio istransmitting.
J6 Changes the maximum gain of the local mic input amp from unity (Out) to 10x (In).
J7 Changes the maximum gain of the receive audio line input from unity (Out) to 7x (In).
J8 Adds a pull up (+ position) or pull down (- position) resistor to the remote enable line (blue).
J9 Adds a pull up resistor (10K to 5VDC) to mobile COR line (violet)
J11 Removing J11 adds 100K ohm resistor in series with SVR-200 mobile transmit audio path. Used for situationswhere mobile radio has noise on transmit audio.
J12 Enables external speaker circuit.
Make the connections between the mobile radio and the SVR-200 cable as follows:
Pin 1: Ground. Connect to the radio's chassis or ground plane.
Pin 2: Mobile transmit audio. Connect to the mobile transmit audio path or tone input. If connected beforepre-emphasis, ensure that the SVR-200 is programmed for de-emphasis (common data). If connectedafter pre-emphasis, ensure that the SVR-200 transmit audio path is programmed as flat. Pin 2 is ACcoupled and has an output impedance of 600 or 2.2Kohms (determined by J2). RV3 sets the transmitaudio output level and J1 sets the adjustment range between 0-5VPP (J1 open) or 0-100mVPP (J1shorted).
Black/Shield
White
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SVR-200 Service Manual
Pin 3: Remote enable/disable. Connect to the radio's auxiliary output or a separate switch to remotely enableor disable the repeater. If this line goes high to activate the repeater, ensure that JP1 is set to the “+”position. If this line goes to ground, set JP1 to the “-” position. J8 has two positions to add a pull up(+) or pull down (-) resistor to this line if used with an open collector or dry contact output.
Pin 4: Mobile PTT output. Connect to mic PTT on the mobile radio, or a line that goes active low to transmit.Pin 4 is an open collector output rated at 100mA at 50VDC.
Pin 5: 12 VDC input. Connect to the radios 12V switched supply or a point capable of supplying at least 1.5Aof current.
Pin 6: Mobile receive audio. Connect this line to the mobile receive audio path before the volume control.If pin 6 is connected before de-emphasis, ensure that the SVR-200 receive path is programmed as flat(common data). If connected after de-emphasis, program the receive path for pre-emphasis. Pin 6is AC coupled and high impedance (>15K ohm). RV5 sets the receive audio level sensitivity; this inputshould be between 30mVPP and 5VPP. J7 sets the gain of the receive input amp. If open, the inputhas a maximum gain of one; if installed, the input has a maximum gain of 7.
Pin 7: Mobile COR detect. This line is used to indicate when the SVR-200 should repeat the transmissionto the handheld. Connect to a logic point in the radio that indicates proper tone and carrier have beendetected or the audio unmute line. If this line goes more positive during an unmute condition, programthe mobile COR line as active high (common data). If the line goes more negative during an unmutecondition, program the mobile COR line as active low. The input from pin 7 is high impedance and doesnot have to go rail to rail. The SVR-200 uses a voltage comparator as a COR threshold detector. RV1sets the mobile COR threshold level and should be set for half way between the mute and unmute levelsat pin 7. Example: If Pin 7 is connected to a point that goes from 0VDC (mute) to 5VDC (unmute),set RV1 for 2.5VDC and program the mobile COR line as active high. If Pin 7 goes between 7.2VDC(mute) and 5.8VDC (unmute), set RV1 for 6.5VDC and program the mobile COR line as active low.
Pin 8: Local mic audio. If programmed for local mic repeat, the SVR-200 will go into transmit mode andrepeat the audio from this line whenever the mobile radio is keyed by the local mic. Connect this lineto the mobile transmitter audio path before limiting or filtering. This input is AC coupled and highimpedance (>5.6Kohms). The input level at this pin should be 300mV to 5VPP. RV2 sets the localmic sensitivity. If the mic high line has sufficient drive for this input, install J4 and leave pin 8unconnected. J6 sets the gain of the local mic input amp. If open, the maximum gain is one; if installed,the maximum gain is 10.
Pin 9: On-Air detect.Trunking: Connect to a point in the radio that indicates the mobile transmitter is actually on the air.This is not the same as mic PTT. If pin 9 goes positive during transmit, program the on-air detect linefor active high (common data). If pin 9 goes to ground during transmit, program the on air detect linefor active low.
Conventional: Used for local mic repeat indication from the mobile. Connect pin 9 to pin 4 of theSVR-200 and program the on-air detect line for active low. Solder jumper J5 will connect pin 9 to pin4 (PTT output) and can be used on conventional systems only. Do not install J5 for trunkingoperation.
Install the SVR-200 in the vehicle using the supplied mounting bracket and hardware. Install the unit whereit will be easily visible by the driver and will not interfere with the drivers vision or constitute a hazard during a vehiclecollision. The SVR-200 mounts in the bracket using the four 8-32 x ¼" machine screws. Do not use longer screwsto mount the SVR-200 to the bracket or circuit damage may result.
Blue
Green
Red
Yellow
Violet
Brown
Gray
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SVR-200 Service Manual
Alignment VHFBefore aligning the SVR-200, ensure that the mobile radio is aligned per the manufacturer’s service procedure;
Ensure that the SVR-200 is properly programmed and the jumpers are set per the previous section.In order to properly align the SVR-200, you will need two service monitors and the mobile radio that the repeaterwill be installed with. Refer to figure 1 for alignment points.
Dis-assemble the repeater by removing the two cap screws on the rear panel and the phillips screw on thebottom. Slide the main circuit board out of the housing with the rear panel attached. Connect one service monitorto the SVR-200 TNC jack and the other to the mobile antenna jack. Connect the cable from the mobile radio tothe SVR-200 (See figure 4 on page 14). Turn on the mobile and activate the SVR-200.
Adjust the repeater squelch control (RV9) so that the repeater COR led is off. Adjust the mobile so that the audiois squelched.
SVR-200 VHF Transmitter
1. Transmitter Output: Short J3 and adjust RV10 for maximum. Confirm the SVR-200 RF Power out is at least2W. Adjust RV10 for 250 mW. The SVR-200 case is integral to the voltage regulator heat sink and the unitshould not transmit at full power when removed from the case for extended periods.
2. Transmitter frequency: Adjust the TCXO on the RF board for the transmit frequency.
3. Maximum deviation/lock tone deviation: Adjust RV7 (lock tone deviation) for maximum. If the SVR-200is programmed for sub-audible encode, adjust RV6 (CTCSS) for minimum. Adjust RV8 (repeater deviation)for 95% deviation. Adjust RV7 for 60% deviation. Remove J3.
4. Mobile COR: Measure the voltage at TP2 on the SVR-200 main PCB and record. Set the mobile servicemonitor for the mobile receive frequency, 1mV RF output and CTCSS modulation of 15% deviation. Measurethe voltage again at TP2 and record. Turn the mobile service monitor off and adjust RV1 on the SVR-200 mainboard for the halfway point between the two voltage readings as read at pin 3 of U1.
5. RX audio sensitivity/CTCSS deviation: Set the service monitor connected to the mobile for the mobile receivefrequency and 1mV RF output. Modulate the signal generator with a 1kHz tone at 60% deviation and CTCSStone at 15% deviation. Ensure that the SVR-200 mobile COR and repeater PTT LED’s are on. Adjust RV5on the SVR-200 main board for 60% deviation as read on the service monitor connected to the SVR-200. Ifprogrammed for sub-audible encode, remove the 1kHz tone deviation from the mobile service monitor andadjust RV6 on the SVR-200 main board for 15% deviation. Turn the RF output from the mobile service monitoroff and ensure that the SVR-200 mobile COR and repeater PTT LEDs are off.
6. Local mic repeat: If the SVR-200 is programmed for local mic repeat, key the mobile local mic and inject anaudio signal into the local mic to produce 60% deviation on the service monitor connected to the mobile.Confirm that the SVR-200 repeater PTT LED is on; adjust RV2 for 60% deviation as read on the servicemonitor connected to the SVR-200. Unkey the mobile radio.
7. RF power out: Short J3 and adjust RV10 for the operating power output. Open J3.
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SVR-200 Service Manual
Figure 1
VHF Receiver
1. Receiver front end: Connect a DC voltmeter to TP1 on the SVR-200 main board. Set the service monitorconnected to the SVR-200 to the generate mode, receive frequency with a 1kHz tone and 60% deviation.Adjust the RF output of the monitor for a 1VDC reading at TP1. Adjust L1-L5 on the RF board for a maximumreading at TP1.
2. Repeater squelch: Adjust the service monitor RF output for .5μV. Adjust RV9 on the SVR-200 main boardso the repeater COR LED is just on. Decrease the service monitor RF output to .3μV and ensure that therepeater COR LED is off.
3. Transmit audio output: Adjust the service monitor RF output for 1mV. Turn the CTCSS modulation on andset for 15% deviation. Confirm that the repeater COR, CTCSS and mobile PTT LED’s are on. Adjust RV3on the SVR-200 main board for 60% deviation as read on the service monitor connected to the mobile radio.
4. Local Rx audio: Connect an 8 ohm speaker to P4 and set RV4 for the desired listening level. Turn off theCTCSS modulation of the service monitor connected to the SVR-200. Confirm that the repeater CTCSS andmobile PTT LED’s are off.
5. Lock Tone Decode: Change the 1kHz tone modulation to the lock tone frequency. Confirm that the PRI LEDgoes off after approximately .5 seconds.
TP2
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SVR-200 Service Manual
Alignment UHFBefore aligning the SVR-200, ensure that the mobile radio is aligned per the manufacturer’s service procedure;
Ensure that the SVR-200 is properly programmed and the jumpers are set per the previous section.In order to properly align the SVR-200, you will need two service monitors and the mobile radio that the repeaterwill be installed with. Refer to figure 2 for alignment points.
Dis-assemble the repeater by removing the two cap screws on the rear panel and the phillips screw on thebottom. Slide the main circuit board out of the housing with the rear panel attached. Connect one service monitorto the SVR-200 TNC jack and the other to the mobile antenna jack. Connect the cable from the mobile radio tothe SVR-200 (See figure 4 on page 14). Turn on the mobile and activate the SVR-200.
Adjust the repeater squelch control (RV9) so that the repeater COR led is off. Adjust the mobile so that the audiois squelched.
SVR-200 UHF Transmitter
1. Transmitter Output: Short J3 and adjust RV10 for maximum. Confirm the SVR-200 RF Power out is at least2W . Adjust RV10 for 250 mW. The SVR-200 case is integral to the voltage regulator heat sink and the unitshould not transmit at full power when removed from the case for extended periods.
2. Transmitter frequency: Adjust the TCXO on the RF board for the transmit frequency.
3. Maximum deviation/lock tone deviation: Adjust RV7 (lock tone deviation) for maximum. If the SVR-200is programmed for sub-audible encode, adjust RV6 (CTCSS) for minimum. Adjust RV8 (repeater deviation)for 95% deviation. Adjust RV7 for 60% deviation. Remove J3.
4. Mobile COR: Measure the voltage at TP2 on the SVR-200 main PCB and record. Set the mobile servicemonitor for the mobile receive frequency, 1mV RF output and CTCSS modulation of 15%. Measure the voltageagain at TP2 and record. Turn the mobile service monitor off and adjust RV1 on the SVR-200 main board forthe halfway point between the two voltage readings as read at pin 3 of U1.
5. RX audio sensitivity/CTCSS deviation: Set the service monitor connected to the mobile for the mobile receivefrequency and 1mV RF output. Modulate the signal generator with a 1kHz tone at 60% deviation and CTCSStone at 15% deviation. Ensure that the SVR-200 mobile COR and repeater PTT LED’s are on. Adjust RV5on the SVR-200 main board for 60% deviation as read on the service monitor connected to the SVR-200. Ifprogrammed for sub-audible encode, remove the 1kHz tone deviation from the mobile service monitor andadjust RV6 on the SVR-200 main board for 15% deviation. Turn the RF output from the mobile service monitoroff and ensure that the SVR-200 mobile COR and repeater PTT LEDs are off.
6. Local mic repeat: If the SVR-200 is programmed for local mic repeat, key the mobile local mic and inject anaudio signal into the local mic to produce 60% deviation on the service monitor connected to the mobile.Confirm that the SVR-200 repeater PTT LED is on; adjust RV2 for 60% deviation as read on the servicemonitor connected to the SVR-200. Unkey the mobile radio.
7. RF power out: Short J3 and adjust RV10 for the operating power output. Open J3.
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SVR-200 Service Manual
Figure 2
UHF Receiver
1. Receiver front end: Connect a DC voltmeter to TP1 on the SVR-200 main board. Set the service monitorconnected to the SVR-200 to the generate mode, receive frequency with a 1kHz tone and 60% deviation.Adjust the RF output of the monitor for a 1VDC reading at TP1. Adjust BPF1 and BPF2 on the RF board fora maximum reading at TP1.
2. Repeater squelch: Adjust the service monitor RF output for .5μV. Adjust RV9 on the SVR-200 main boardso the repeater COR LED is just on. Decrease the service monitor RF output to .35μV and ensure that therepeater COR LED is off.
3. Transmit audio output: Adjust the service monitor RF output for 1mV. Turn the CTCSS modulation on andset for 15% deviation. Confirm that the repeater COR, CTCSS and mobile PTT LED’s are on. Adjust RV3on the SVR-200 main board for 60% deviation as read on the service monitor connected to the mobile radio.
4. Local Rx audio: Connect an 8 ohm speaker to P4 and set RV4 for the desired listening level. Turn off theCTCSS modulation of the service monitor connected to the SVR-200. Confirm that the repeater CTCSS andmobile PTT LED’s are off.
5. Lock Tone Decode: Change the 1kHz tone modulation to the lock tone frequency. Confirm that the PRI LEDgoes off after approximately .5 seconds.
TP2
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SVR-200 Service Manual
Alignment 700/800/900 MHzBefore aligning the SVR-200, ensure that the mobile radio is aligned per the manufacturer’s service procedure;
Ensure that the SVR-200 is properly programmed and the jumpers are set per the previous section.In order to properly align the SVR-200, you will need two service monitors and the mobile radio that the repeaterwill be installed with. Refer to figure 3 for alignment points.
Dis-assemble the repeater by removing the two cap screws on the rear panel and the phillips screw on thebottom. Slide the main circuit board out of the housing with the rear panel attached. Connect one service monitorto the SVR-200 TNC jack and the other to the mobile antenna jack. Connect the cable from the mobile radio tothe SVR-200 (See figure 4 on page 14). Turn on the mobile and activate the SVR-200.
Adjust the repeater squelch control (RV9) so that the repeater COR led is off. Adjust the mobile so that the audiois squelched.
SVR-200 700/800/900 MHz Transmitter
1. Transmitter Output: Short J3 and adjust RV10 for maximum. Confirm the power out is at least 600mW.Adjust RV10 for 100 mW. The SVR-200 case is integral to the voltage regulator heat sink and the unit shouldnot transmit at full power when removed from the case for extended periods.
2. Transmitter frequency: Adjust the TCXO on the RF board for the transmit frequency ±100 Hz.
3. Maximum deviation/lock tone deviation: Adjust RV7 (lock tone deviation) for maximum. If the SVR-200is programmed for sub-audible encode, adjust RV6 (CTCSS) for minimum. Adjust RV8 (repeater deviation)for 95% deviation. Adjust RV7 for 60% deviation. Remove J3.
4. Mobile COR: Measure the voltage at TP2 on the SVR-200 main PCB and record. Set the mobile servicemonitor for the mobile receive frequency, 1mV RF output and CTCSS modulation of 15%. Measure the voltageagain at TP2 and record. Turn the mobile service monitor off and adjust RV1 on the SVR-200 main board forthe halfway point between the two voltage readings as read at pin 3 of U1.
5. RX audio sensitivity/CTCSS deviation: Set the service monitor connected to the mobile for the mobile receivefrequency and 1mV RF output. Modulate the signal generator with a 1kHz tone at 60% deviation and CTCSStone at 15% deviation. Ensure that the SVR-200 mobile COR and repeater PTT LED’s are on. Adjust RV5on the SVR-200 main board for 60% deviation as read on the service monitor connected to the SVR-200. Ifprogrammed for sub-audible encode, remove the 1kHz tone deviation from the mobile service monitor andadjust RV6 on the SVR-200 main board for 15% deviation. Turn the RF output from the mobile service monitoroff and ensure that the SVR-200 mobile COR and repeater PTT LEDs are off.
6. Local mic repeat: If the SVR-200 is programmed for local mic repeat, key the mobile local mic and inject anaudio signal into the local mic to produce 60% deviation on the service monitor connected to the mobile.Confirm that the SVR-200 repeater PTT LED is on; adjust RV2 for 60% deviation as read on the servicemonitor connected to the SVR-200. Unkey the mobile radio.
7. RF power out: Short J3 and adjust RV10 for the operating power output. Open J3.
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Figure 3
700/800/900 MHz Receiver
1. Receiver front end: Connect a DC voltmeter to TP1 on the SVR-200 main board. Set the service monitorconnected to the SVR-200 to the generate mode, receive frequency at .5μV RF output with a 1kHz tone and60% deviation. Confirm a reading of 1VDC ±.2VDC at TP1.
2. Repeater squelch: Adjust the service monitor RF output for .5μV. Adjust RV9 on the SVR-200 main boardso the repeater COR LED is just on. Decrease the service monitor RF output to .25μV and ensure that therepeater COR LED is off.
3. Transmit audio output: Adjust the service monitor RF output for 1mV. Turn the CTCSS modulation on andset for 15% deviation. Confirm that the repeater COR, CTCSS and mobile PTT LED’s are on. Adjust RV3on the SVR-200 main board for 60% deviation as read on the service monitor connected to the mobile radio.
4. Local Rx audio: Connect an 8 ohm speaker to P4 and set RV4 for the desired listening level. Turn off theCTCSS modulation of the service monitor connected to the SVR-200. Confirm that the repeater CTCSS andmobile PTT LED’s are off.
5. Lock Tone Decode: Change the 1kHz tone modulation to the lock tone frequency. Confirm that the PRI LEDgoes off after approximately .5 seconds.
TP2
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Mobile Radio
CommunicationsMonitor A
CommunicationsMonitor B
SVR-200
InterfaceCable
Figure 4
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SVR-200 Service Manual
Menu selections
FileOpen: Allows you to load a previously saved file from disk. Enter the file name or select from the Windows Dialogbox. Only files with the .VR2 extension can be loaded.
Save: Allows you to save the current configuration to disk. Enter the file name to save as or select a previous filefrom the Windows Dialog box to overwrite. The .VR2 extension is automatically added to the file name. Theprogram will prompt you before overwriting an existing file.
Print: Sends the current configuration to the selected printer. Make sure the printer is on line and paper is loadedbefore executing this command.
Exit: You will be asked to confirm before exiting the program. The software will also prompt you if theconfiguration has changed since program start up and data has not been saved to disk.
DataFrequencies: Enter the transmit and receive frequencies and select the encode and decode sub-audio data. Theprogram will automatically round off the frequencies to the nearest channel step if incorrect data is entered. Toenter VHF offset frequencies (6.25kHz channel steps), go to common data and select the "VHF Offset" band.To disable sub-audio encode operation, select "------"; sub-audio decode cannot be disabled.
Common data: Controls all of the options and input polarities of the SVR-200. Make sure all of the settings arecorrect for the type of mobile radio the repeater is connected to or improper operation may result.
File name: This data is stored in the E²PROM of the SVR-200 during downloads.
Model: Select either SVR-200 (single frequency) or SVR-214 (14 channel).
Band: Select the proper frequency band to correspond with the model SVR-200 you are programming. Thisselection is automatically set by reading the SVR-200. The IF frequency, injection side and channel step aredisplayed next to the band selection. Select VHF Offset band for 6.25kHz channel steps.
ProgrammingUsing the Software
The SVRCPS personalization software is used to program the SVR-200 for all of the operating parametersand options. The software is compatible with Windows 2000 and later operating systems The software is menudriven and on-line help is available at any time by clicking the left mouse button on the HELP icon on the right sideof the tool bar.
Important Note:Before attempting to program the SVR-200 start the software and ensure the FY-1 programming cable is
plugged into the correct serial port. The com port may be selected under the “Transfer” menu. Plug the FY-1programming cable into P3 on the front of the SVR-200; the OPT LED on the SVR-200 front panel should be oncontinuously:
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Mobile COR polarity: Determines if the COR signal from the mobile is active high or active low.
Radio Type: Select either conventional or trunking. If a trunking mobile is selected, the SVR-200 will go throughthe voice channel acquisition procedure during portable-to-base repeat mode.
On-air polarity: Select either active high or active low. This line is used to monitor the local mobile PTT for localmic repeat on conventional radios. On trunking radios, it is also used to determine if the mobile is actuallytransmitting.
TX Audio: If the mobile transmit audio output from the SVR-200 is connected after pre-emphasis in the mobile,select Flat response. If connected before pre-emphasis or to the mic input, select De-Emp.
RX Audio: If the receive audio coming from the mobile is connected to the discriminator or before de-emphasis,select Flat response. If connected after de-emphasis, select Pre-Emp.
Lock Tone: Select either 682.5, 832.5 or 847.5 Hz. All units in the system must have the same lock tone frequency.
Local mic repeat: Enables or disables the local mic repeat function; if enabled, ensure that the on-air polarity inputis correctly configured.
Courtesy Blip: (Firmware version 3.02 & above) Enables or disables the courtesy tone at the end of eachportable-to-base transmission. The tone verifies the handheld is within range of the repeater and transmission wassuccessful. It also serves to notify other handheld users that the channel is clear for use.
Pri-sampling: Enables or disables the pri-sampling feature of the SVR-200. If used in multi-vehicleapplications, this must be enabled for proper operation. During base-to-portable repeat mode, the SVR-200transmitter will switch to receive mode to check for other repeaters or handheld activity. If another repeater isdetected (carrier without/wrong tone) the repeater will cease activity to prevent radio “collisions”. If handheldactivity is detected (carrier & correct tone) the SVR-200 will switch to portable-to-base repeat mode.
Sampling rate: If pri-sampling is enabled, this selects the sampling interval. The range is 0.25 seconds to 2.5seconds in .25 second increments. The higher this setting, the longer the handheld operator must wait beforespeaking after pressing PTT during base-to-portable repeat mode, since the repeater may still be in transmit mode(there is no delay if the repeater is idle). If the interval is too short, some users may complain about the “chop”that is heard in the handhelds.
TransferSend: Downloads the current configuration to the repeater. The program will prompt you to make the FY-1connection before downloading. Download takes approximately 5 seconds.
Receive: Uploads the current data from the repeater. The program will prompt you to make the FY-1 connectionbefore uploading. Upload takes approximately 4 seconds.
Comm Port: Selects the serial port to use for uploading and downloading between the PC and the SVR-200. Commports 1-4 are supported.
HelpHelp is available at any time by clicking the left mouse button on the HELP icon on the right side of the tool
bar. The help is context sensitive and will depend upon where the cursor is located on particular menu displayed.
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Theory of OperationReceiver:
The receiver is a double-conversion superheterodyne type, designed for narrow band FM reception. The firstlocal oscillator is derived from the frequency synthesizer. The second LO is crystal controlled.
RF Stage: The incoming RF signal from the antenna jack is directed to the first RF bandpass filter to improveselectivity and then to the input of the RF amplifier. The output of the RF amplifier is then presented to a secondbandpass filter.First LO/Mixer: The first LO signal is developed by the synthesizer and is mixed with the incoming signal toproduce the first IF frequency (45 MHz). The IF frequency is filtered by FL1A and FL1B and amplified by theIF amplifier before being presented to the second LO/Mixer IC.Second LO/Mixer: The first I.F. signal is presented to the second IF IC (MC3371) which performs the functionsof second LO, second I.F. amp and mixer, FM discriminator and squelch. The second LO crystal (44.545 MHz)is mixed with the 45 MHz first I.F. signal to produce the second I.F. frequency of 455 kHz. A 6 pole ceramic filterprovides selectivity for the 455 kHz signal.Detector/Squelch: The MC3371 demodulates the 455 kHz signal via quadrature coil to produce the audio and noisecomponents. The output of the MC3371 is the recovered audio and the RSSI voltage (receiver signal strengthindicator) which is compared by the controller board with a threshold voltage level for squelch setting.
VHF TransmitterThe output of VCO buffer U8 is input to the predriver transistor U7. The output of U7 drives the RF driver
Q8. The collector of Q8 is fed by the transmit 9V line from Q10. The final amp Q13 is a class C power amplifierand drives the output lowpass and harmonic filter, C47-C50 and L20-L22. D3 is the transmit output switch andL19 is a ¼ wave transmission line to isolate the receiver switching diode D2. RF output power is controlled bychanging the bias on the gate of Q13 via the TX 9V line (pin 3) from the controller PCB.
UHF TransmitterThe output of VCO buffer U6 is input to the predriver transistor U5. The output of U5 drives the RF driver
transistor Q4. The collector of Q4 is fed by the transmit 9V line from Q5. The final amp Q3 is a class C poweramplifier and drives the output lowpass and harmonic filter, C39-C42 and L26-L28. D3 is the transmit output switchand L14 is a ¼ wave transmission line to isolate the receiver switching diode D2. RF output power is controlledby changing the bias on the gate of Q3 via the TX 9V line (pin 3) from the controller PCB.
700/800/900 MHz TransmitterThe output of the transmit VCO is buffered by U5 input to the driver transistor U1. The output of U1 drives
the RF hybrid output amp U4 through lowpass filter FL3. The final amp U4 is a class C power amplifier and drivesthe output lowpass and harmonic filter FL4. U7 is the Tx/Rx antenna switch. RF output power is controlled bychanging the voltage on pin 1 of U4 via the TX 9V line (pin 3) from the controller PCB.
Control BoardPower Supply: DC power comes from the mobile radio via P1 pins 1 and 5. Fuse F1 and MOV VAR1 provideover current and voltage spike protection. Q3 is the remote enable/disable pass switch, controlled by Q1 and Q2via P1 pin 3. Q3 output is switched 12VDC and is presented to audio amp U6, and voltage regulators U7 and U8.Bias voltage for the op-amp circuits is provided by voltage divider R68, R69 and buffer amp U2A.Transmit audio path: Receiver audio from the mobile is input to the mic amp portion of U4; PC programming ofthe SVR-200 provides flat response or +6db/octave pre-emphasis. The output of the mic amp is internally connectedto the limiter and lowpass filter. When a condition to repeat exists (base-to-portable) U4 audio is switched on andaudio is presented to amplifier/limiter and lowpass filter to remove audio components above 3kHz. U4 provides-48db/octave of attenuation to out of band signals. Transmit audio is output on pin 22 of U4 and passes throughthe final lowpass filter U2C to remove any clock noise generated by U4’s switched capacitive filters before beingpresented to the RF module on P2 pin 6.
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Receive audio path: Receiver audio from the transceiver module is input on P2 pin 13 and presented to U5 pin10 and pin 16. Pin 10 is the input of the receiver highpass filter to remove any sub-audible signals before being outputon pin 11 and sent to U4 for receiver audio processing. Pin 16 is the input to the sub-audible tone decoder sectionof U5. Receive audio entering pin 7 of U4 is processed as flat, or -6db/octave depending upon PC programming.The receive audio then passes through the internal lowpass filters to remove unwanted noise and output on pin 21,where it is sent to the local receiver audio amp and mobile transmit audio output amp U1B. J1 selects either highsensitivity (open) or low sensitivity (shorted) and J2 selects the output impedance (600/2.2K Ohms).
Sub-Audible tone signalling: U5 processes the sub-audible signal from the receiver by comparing the incomingsignal to previous samples in a noise correlator. If the signal is sufficiently coherent, the output of the comparatoris counted by the internal circuitry and an interrupt is generated to the main microprocessor. U12 reads the datafrom U5 in 2 bytes: byte one contains the number of complete cycles detected within 122mS, and byte 2 containsthe number of internal clock cycles elapsed for the remainder. U12 performs a comparison of minimum andmaximum values allowed in a look up table and determines if the data is within the decode bandwidth for theprogrammed tone.
In band tone signalling: Audio from the transceiver is also fed to U3B where it is amplified and limited for inputto the commutating switched capacitive filter made up by C23-C26 and P0.4-P0.7 of the microprocessor. Themicroprocessor outputs four identical signals with 90° phase difference on the respective port pins. The resultantwave form will be a function of the difference between the incoming signal frequency and the decode frequencyoutput by the microprocessor. The signal is buffered by U3C and amplified by U3A before being rectified andfiltered by D1 and C2. The resulting DC voltage is compared to the reference voltage by U3D. If the incomingsignal is within the decode bandwidth, the output of U3D will be a logic 1 and read by the microprocessor.
Logic and control: U12 is an Atmel 89C52 microprocessor with flash E²PROM memory. The microprocessorprovides all of the logic and control functions for the repeater including mobile/repeater PTT output, local mobilePTT sense, mobile transmitter activity sense, audio switching, in-band & CTCSS detect, and repeater statusindications via DS4 and DS5 led arrays.
The 89C52 has four 8 bit ports that interface with the rest of the hardware on the controller board; a briefdescription of each port follows:
P0.0-0.3 Channel Selector input; used only on SVR-214 version.
P0.4-0.7 These four lines make up the input to the switched capacitive filter network of C23-C26. Duringreceive mode, the lock tone frequency will be output on each of these lines with a 90° phase differencebetween them at any given time. During transmit mode, these lines are in active and open collector.
P1.0-P1.2 LED data is output on P1.0 line every 10mSec. Data is loaded into shift register U9 8 bits at a timeand is clocked by P1.1. P1.2 latches the data into U9 for display.
P1.3 PLL latch enable output to the RF module. During transmit to receive and receive to transmittransitions, this line is used to latch the serial data into the PLL shift registers. The serial data and clocklines are shared with U10 (E²PROM) U4 (audio processor) and U5 (sub-audio processor).
P1.4 E²PROM chip enable, active high. Data is output to the E²PROM on P1.6 and clocked by P1.5. Datais input from the E²PROM on P1.7. P1.4 will go active during read and write operations with U10.U10 is written to every time the unit is programmed. U10 is read only at power up.
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P1.5 Serial clock line output. Serial data that is sent to the PLL, the E²PROM and the audio processor chipsare clocked by each low-high-low transition on this line.
P1.6 Serial data output. Data sent to U10, U4 and U5 are output on this line and clocked by P1.5.
P1.7 Data input to the microprocessor. Serial data is read from U10 (E²PROM) and U5 (sub-audioprocessor) on this line.
P2.0 Lock tone output. Lock tone encode is generated by this pin at power up and during lock tone test mode.All of the queuing tones are also generated by this pin for trunking operation.
P2.1 Lock tone decode input, active high. The output of lock tone decoder U3D is input on this line andchecked during receiver activity. If lock tone is detected, the microprocessor increments its prioritycounter and ceases activity as priority unit.
P2.2 Repeater Tx enable. This line is used to turn on the TX 9V signal to the RF PCB. The output drivesbuffers Q7 and Q6. The output of Q6 switches Q4 on during transmit for TX 9V. RV10 and APCcircuit U13 are used to set the TX 9V level for RF power control.
P2.3 Mobile PTT output, active low. This line is brought low to key the mobile radio during portable-to-baserepeat operations.
P2.4 Mobile COR input. U1A is a threshold detector for the mobile COR input on pin 7 of P1. The outputof U1A is read by the microprocessor on this port to determine if the SVR-200 should repeat base toportable. Polarity of this input is determined by PC programming.
P2.5 Repeater COR input, active low. RSSI output from the RF module is sent to threshold detector U2Dfor comparison with the squelch setting at RV9. R47 and R70 provide hysteresis to prevent chatter.Repeater COR is used to enable the CTCSS decoder circuitry; the microprocessor will not decodethe signal from U5 unless repeater COR is also active.
P2.6 Chip select output for U4 (audio processor), active low. Serial data is sent to U4 on P1.6 and clockedby P1.5. These lines are shared by U5, U10 and the PLL; data is ignored by U4 unless the chip selectline is asserted during data write operations.
P2.7 Chip select output for U5 (sub-audio processor), active low. Serial data is sent to U5 on P1.6 andclocked by P1.5. These lines are shared by U4, U10 and the PLL; data is ignored by U5 unless thechip select line is asserted during data read and write operations.
INT0 External interrupt #0. This line monitors the PLL lock detector output. The line is active high to indicatethe PLL is functioning on frequency during transmit-receive and receive to transmit changes. Theoutput will go briefly unlocked, then revert back to a locked condition. If the PLL does not achievelock within 50mS, the transmitter will be disabled and the OPT LED will flash rapidly to alert the userthat the unit should be brought in for service.
INT1 External interrupt #1 active low. This line is used by U5 to signal the microprocessor that it hascompleted a decode cycle and data can be read. During receiver activity, this line will go activeapproximately every 122 mS in the presence of sub-audio signalling. During transmit mode andreceiver activity without sub-audio signalling, this line will be inactive.
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T0 Test input, active low. Shorting J3 puts the microprocessor into test mode for alignment purposes. Ifshorted at power up, the receiver will operate open squelch mode and audio will be heard at the localspeaker port regardless of carrier or tone input to the receiver. Although alignment is normally donewith the RSSI output at TP1, a Sinad reading can be obtained using this mode of the test input. Allother functions of the SVR-200 are disabled in this mode and power will have to be turned off thenon to reset the unit.
If J3 is shorted after power has been applied, the microprocessor will enter the lock tone test mode,key the repeater and send the programmed lock tone for as long as J3 is shorted. Remove the shortfrom J3 to return to normal operation.
T1 On-air detect input. The on-air detect line (P1 pin 9) is used to detect local mic PTT from the mobile,and in trunking mode, this line is used to detect that the mobile transmitter is actually on the air. Theinput is buffered by Q10 and the polarity of the signal is determined by PC programming.
WR Turns the Rx 5V line on or off to the RF PCB.
RD Detects the version of RF PCB installed (UHF only).
TXD Transmit data output for programming. Data is sent to the PC on this line at 300 baud, 8 data bits, 1stop bit and no parity. This line is active only during programming mode.
RXD Receive data input for programming. Data is received from the PC on this line at 300 baud, 8 databits, 1 stop bit and no parity. This line is also used to sense when the programming cable is inserted.If RXD is grounded, the SVR-200 operates in the normal mode. If this line is high, programming modeis entered and the OPT LED is on continuously.
Reset Active high input to reset the microprocessor. U11 provides a 350mSec delayed high signal to this pinduring power up or if the 5V line falls below 4.5VDC.
Xtal The microprocessor uses a 4.032MHz xtal for all of the timing and program execution clock cycles.The output of the on board oscillator also drives the xtal input to U5. The output of U5 xtal oscillatordrives the input of U4.
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Notes
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Parts ListReference Description Part #C1,C5,C6,C9,C10,C12,C15,C18,C35,C37 ......................... .1μFd chip capacitor ............................ 1010-03-5104C2 ..................................................................................... 22μFd 16V tantalum chip capacitor ..... 1610-25-6226C3,C27 .............................................................................. .047μFd chip capacitor ........................ 1010-03-5473C7,C8,C13,C41 ................................................................. 220pFd chip capacitor ......................... 1010-03-5221C11 .................................................................................... .0033μFd chip capacitor ...................... 1010-03-5332C16 .................................................................................... 1000pFd chip capacitor ....................... 1010-03-5102C17 .................................................................................... .0022μFd chip capacitor ...................... 1010-03-5222C19,C20 ............................................................................ 22pFd chip capacitor ........................... 1010-03-5220C40 .................................................................................... 0.5pFd chip capacitor .......................... 1010-03-5050C21A,C21B ...................................................................... 6.8μFd tantalum chip capacitor ........... 1610-05-6685C22,C32,C33,C34 ............................................................. 100μFd elctrolytic cap ......................... 1400-08-7107C21,C23,C24,C25,C26 ...................................................... 0.47μFd tantalum chip capacitor ......... 1610-04-6474C28,C29,C36 ..................................................................... 1.0μFd tantalum chip capacitor ........... 1610-04-6105C14,C30,C38 ..................................................................... 2.2μFd tantalum chip capacitor ........... 1610-04-6225D1,D2,D3,D6 .................................................................... BAV99 dual diode SOT23 .................. 3110-01-0099D4,D5 ............................................................................... Schotkey diode SOT23 ........................ 3110-01-0301DS4/DS5 ........................................................................... 8 position multi-color LED .................. 4003-08-0200F1 ...................................................................................... 2A SMT Pica fuse .............................. 2610-04-0020JP1 .................................................................................... 0.1" 3 position vertical header ............. 7300-53-0103P1 ...................................................................................... DB-9 M right angle PCB .................... 7400-00-0011P2 ...................................................................................... 0.1" 14 position vertical header ........... 7300-83-0114P3 ...................................................................................... 2.5mm RA programming jack ............. 7401-02-0250P4 ...................................................................................... 3.5mm RA speaker jack ..................... 7401-02-0051Q1,Q2,Q6,Q7,Q9,Q10 ....................................................... 2N4401 NPN transistor SOT23 .......... 3010-01-4401Q3 ..................................................................................... IRF-9540 P Ch MOSFET TO220 ....... 3300-08-9540Q4 ..................................................................................... TIP 32 PNP transistor TO220 ............ 3000-08-0032Q5 ..................................................................................... 2N4403 PNP transistor SOT23........... 3010-01-4403Q8 ..................................................................................... NPN Darlington SOT23 ...................... 3010-01-0038RV1,RV8,RV9,RV10 ....................................................... 10K 3mm SMT pot ............................. 2030-08-8103RV2,RV3,RV5,RV7 ......................................................... 100K 3mm SMT pot ........................... 2030-08-8104RV4 .................................................................................. 20K 3mm SMT pot ............................. 2030-08-8203RV6 .................................................................................. 200K 3mm SMT pot ........................... 2030-08-8204R82 .................................................................................... 10 Ohm chip resistor ........................... 2010-03-5100R10,R23,R41,R52,R76 ...................................................... 10K chip resistor ................................. 2010-03-5103R8,R11,R16,R21,R22,R24,R26,R30,R35,R44,R47,R53,R66,R73 ............................................................. 100K chip resistor ............................... 2010-03-5104R1,R2,R4,R6,R15,R17,R18,R31,R36,R74,R83 .................. 22K chip resistor ................................. 2010-03-5223R3,R12,R13,R65,R72,R87 ................................................. 2.2K chip resistor ................................ 2010-03-5222R5,R14,R86 ....................................................................... 820 Ohm chip resistor ......................... 2010-03-5821R7,R48,R49,R63,R71 ........................................................ 5.6K chip resistor ................................ 2010-03-5562R9,R81 .............................................................................. 56K chip resistor ................................. 2010-03-5563R19,R20 ............................................................................ 470K chip resistor ............................... 2010-03-5474R25,R29,R34,R51 ............................................................. 1.0M chip resistor ................................ 2010-03-5105R27,R33,R37,R38,R45,R46,R85 ....................................... 33K chip resistor ................................. 2010-03-5333R32,R70 ............................................................................ 27K chip resistor ................................. 2010-03-5273R39,R40 ............................................................................ 150K chip resistor ............................... 2010-03-5154R42 .................................................................................... 330K chip resistor ............................... 2010-03-5334
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R50,R77-R80 .................................................................... 15K chip resistor ................................. 2010-03-5153R54-R62,R64 .................................................................... 330 Ohm chip resistor ......................... 2010-03-5331R68,R69 ............................................................................ 4.7K chip resistor ................................ 2010-03-5472R43.................................................................................... 68K chip resistor ................................. 2010-03-5683R67.................................................................................... 8.2 Ohm 1W resistor ........................... 2000-10-5829U1 ..................................................................................... TS922 dual op-amp ............................. 3410-01-0922U2,U3 ............................................................................... MC3403 quad op-amp ......................... 3410-01-3403U4 ..................................................................................... MX-806ALH audio processor ............ 3710-02-0806U5 ..................................................................................... MX-805ALH sub-audio processor ...... 3710-02-0805U6 ..................................................................................... LM386 audio amp ............................... 3410-01-0386U7 ..................................................................................... LM7805 1A regulator ........................ 3400-08-7805U8 ..................................................................................... LM7809CV 1.5A regulator ................. 3400-08-7809U9 ..................................................................................... CD4094 shift register .......................... 3410-01-4094U10 ................................................................................... 93C46 1Kbit Serial E²PROM.............. 3610-01-9346U11 ................................................................................... MCP101-450 reset controller .............. 3410-11-0450U12 ................................................................................... AT89C52-12JC Microprocessor ......... 3610-02-8952U13 ................................................................................... LM321 opamp ..................................... 3410-12-0321X1 ..................................................................................... 4.032 MHz HC18/U ............................ 6000-07-4032VAR1 ............................................................................... 18V MOV ........................................... 2580-02-0018
Extruded aluminium case .................... 8100-01-5010Aluminium end panel ........................... 8200-04-5010ABS Plastic front panel ....................... 8200-03-2502TNC PCB mount RA connector ......... 7401-02-000710ft. radio cable with DB-9F conn. ..... 7500-10-1001Shorting block for JP1 ......................... 7200-03-0102TP1, RF Ant connection ..................... 7300-13-0101Mounting bracket ................................ 9600-05-0001RF interconnect board ......................... 9100-00-00014-40 SS jack screw ............................. 8000-42-44048-32 x ¼" SS philips ............................. 8000-24-83244-40 x 3/8" SS cap screw .................... 8000-34-44064-40 SS nut .......................................... 8000-54-44004-40 x ¼" SS philips ............................. 8000-24-44042-56 x 3/16" SS philips ......................... 8000-24-25634-40 x 3/16" SS philips ......................... 8000-24-44032-56 x 1/8" aluminium spacer ............. 8000-65-2562Aluminium heat sink (U7 & U8) ......... 8400-05-0001Right Angle heat sink (RF module) ..... 8400-05-0007
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MPTT
Opt.
Rx 5V5V ContTx AudLockLEDataSClk
RSSIRx AudN/C
cw
Squelch
cw
CORTreshold
cwSens
MobDev
LocalSpkr
RptrDev.
-
cw
LockToneDev.
CTCSSDev
TEST
U1 U2/U3
U9 U10 U12
16
8
8
5
44
22
+
-
LocalMic
RSSI
10K
100K
100K
100K
10K
10K
100K
RXSens cw
cw
+-
cw
cw
cw
-
200K
20K
RFPwr
cw
Ver
330
10K
SMT
DCBA
Gnd9VTx 9V
AT89C52
NBWB
C26 .47UC26 .47U
R251MR251M
R26100KR26100K
R635K6R635K6
C8220PC8220P
R73
100K
R73
100K
P5P5
12345
J5J5
Q6
2N4401
Q6
2N4401
U3DMC3403U3DMC3403
12
1314
U8LM7809CVU8LM7809CV
IN1 9V 3
R3122KR3122K
R64330R64330
R30100KR30
100K
U13ALM321U13ALM321
3
21
RV10RV10
R341MR341M
DS4LEDX8DS4LEDX8
U1ATL2272U1ATL2272
3
21
R872K2R872K2
U4MX_806U4MX_806
X11
X22SCK3DI4CS5VO6RXI7VI8VB9M+10M-11VSS12 MIC 13PAIN 14EXT 15CAL 16PAOUT 17MXIN 18MXOUT 19MODIN 20RXOUT 21TX_1 22
TX_2 23VCC 24
R54R54
R66100KR66
100K
R8533KR8533K
C42.1UC42.1U
R3622KR3622K
R5210KR5210K
R90
620
R90
620
R3733KR3733K
R8100KR8100K
R8322KR8322K
R75K6R75K6
C41220PC41220P
C13 220PC13 220P
R61R61
R495K6R495K6
R281K
R281K
C113N3C113N3
U2BMC3403U2BMC3403
5
67
C400.5PC400.5P
C222UC222U
R485K6R485K6
R38 33KR38 33K
C7220PC7220P
D5MMBD301
D5MMBD301
U1093C46U1093C46
CE 1SK 2DI 3
DO 4
R47100KR47100K
R14820R14820
X14.032
X14.032
RV2RV2
U2CMC3403
U2CMC3403
10
98
R51
1M
R51
1M
R16100KR16100K
Q52N4403Q52N4403
J4J4
C1922PC1922P
C21A6U8
C21A6U8
R62
330
R62
330
C2022P
C2022P
C21B6U8
C21B6U8
P1
DB9M
P1
DB9M
594837261
R4533KR4533K
C1.1UC1.1U
D2BAV99
D2BAV99
C15.1UC15.1U
RV8RV8
J3J3
P6P6
12345
C27.047UC27.047U
R35100KR35100K
C161N0C161N0
P2
HEADER
P2
HEADER
123456789
1011121314
C172N2C172N2
J6J6
J2J2
R4633KR4633K
J1J1
C12.1UC12.1U
C37.1UC37.1U
R17
22K
R17
22K
Q7Q7
R44100KR44
100K
R18
22K
R18
22KR722K2R722K2
Q92N4401Q9
2N4401
R5015KR5015K
+
-
+
-
3
21
84
S1S1
J7J7
+
-
+
-
3
21
411
R7422KR7422K
R77R77
U7LM7805U7LM7805
IN1 5V 3
R8015K
R8015K
C382U2C382U2
J14J14
R122K2R122K2
C32100U
C32100U
R7610KR7610K
C33100UC33100U
R7568
R7568
J9J9
C34100UC34100U
R1522KR1522K
C5.1UC5.1U
U3CMC3403U3CMC3403
10
98
RV3RV3
Q4TIP32Q4TIP32
U3AMC3403U3AMC3403
3
21
R2733KR2733K
C6.1UC6.1UU1B
TL2272
U1B
TL2272
5
67
J10J10
RV5RV5
R29
1M
R29
1M
R132K2R132K2
RV6RV6
D1BAV99D1BAV99
R10
10K
R10
10K
C10.1UC10.1U
R11 100kR11 100k
R3227KR3227K
R3333KR3333K
U5MX_805U5MX_805
X11
X22A03IRQ4SCK5DI6CS7DO8TXA9AIN10AOUT11VSS12 RXA- 13RXA+ 14RXO 15RXIN 16RXOUT 17VB 18C- 19C+ 20COUT 21NT 22
WAKE 23VCC 24R39150KR39150K
J13J13
+
-
U6LM386
+
-
U6LM386
2
35
6 14 8
7
J11J11
RV4RV4
U2AMC3403U2AMC3403
3
21
R694K7R694K7
C18.1UC18.1U
R684K7R684K7
RV7RV7
C35.1UC35.1U
P3
2.5MM
P3
2.5MM
C22100UC22100U
R42
330K
R42
330K
C361UC361U
C9.1UC9.1U
P4
3.5mm_Jack
P4
3.5mm_Jack
C3.047U
C3.047U
R67
8.2 1W
R67
8.2 1W
J8J8
C142U2C142U2
R8210
R8210
R4368KR4368K
U94094U94094
STR 1D 2
CLK 3OE 15
Q14Q25Q36Q47Q514Q613Q712Q811
QS9QS10
R84100KR84100K
Q8IRLMS1902Q8IRLMS1902
R40150KR40150K
F12AF12A
VAR118VVAR118V
R4110KR4110K
R89R89
C302U2C302U2
JP1JP1
1
2
3
C281UC281U
TP1TP1
R622KR622K
C291UC291U
D3BAV99D3BAV99
C21.47UC21.47U
R5820R5820
R122KR122K
Q22N4401Q22N4401
Q12N4401Q12N4401
U12U12
X121
X220
INT014INT115T016T117WR18RD19P1.02P1.13P1.24P1.35P1.46P1.57P1.68P1.79
P0.0 43P0.1 42P0.2 41P0.3 40P0.4 39P0.5 38P0.6 37P0.7 36
P2.0 24P2.1 25P2.2 26P2.3 27P2.4 28P2.5 29P2.6 30P2.7 31
PSEN 32ALE/P 33
TXD 13RXD 11
RESET 10
EA/VPP35
R32K2R32K2
U3BMC3403U3BMC3403
5
67
D6BAV99D6BAV99
R422KR422K
U11MCP101T-450
U11MCP101T-450
I3 O 2 1
R24100KR24100K
R222KR222K
R2310KR2310K
R652K2R652K2
J15J15
R21100KR21
100K
RV9RV9
R22100KR22100K
R20470KR20470K
R19470KR19470K
R8156KR8156K
J12J12
RV1RV1
U2DMC3403U2DMC3403
12
1314
R715K6R715K6
R53
100K
R53
100K C23C23
Q3IRF9540Q3IRF9540
R7027KR7027K
Q102N4401
Q102N4401
R956KR956K
R86820R86820
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCCVCC
Size
Scale
CAGE Code DWG NO Rev
Sheetof
C
PYRAMID COMMUNICATIONS
Thursday, February 07, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
VHF REV C
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
C
PYRAMID COMMUNICATIONS
Thursday, February 07, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
VHF REV C
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
C
PYRAMID COMMUNICATIONS
Thursday, February 07, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
VHF REV C
<Cage Code>
RFCONNECTOR
Mod Bal
10K
Mod
T/R Shift
Out
Cont Volt
Gnd
15p HV
15p HV
33p HV33p HV
5VDC
cw
Tx9V
9VDC
TX9V
100nH100nH
,4,4
RX5V
1
2
6
4
3
5
22nH
22nH
120nH
82nH
33nH
1uH
8nH18.5nH
100nH
RX5V
R6047R6047
C47C47
C108100p
C108100p
U3ALMV321U3ALMV321
3
21
C12C12 C11C11
C100100p
C100100p
C4412pC4412p
Q72N4401Q72N4401
C101C101
C4612pC4612p
C102C102
C77.1C77.1
C45.01C45.01
C8.01C8
.01
L10S-227-5004
L10S-227-5004
JP1JP1
123456789
1011121314
L11L11
L33S-227-5008L33S-227-5008
C781N0C781N0
C24100pC24100p
TCXO112.8 MHzTCXO112.8 MHz
VCC1
MOD2
OUT 3
GND 4
D5MMBD914D5
MMBD914
L7S-227-5008
L7S-227-5008
L1943.5nHL1943.5nH
R41100KR41100K
R5310R5310
C3533pC3533p
C751uFC751uF
C67.1C67.1
C42C42
L25L25
C43.1
C43.1
C112100p
C112100p
RV1RV1
C131N0C131N0
X144.545X144.545
Q10IRLMS6702Q10IRLMS6702
R281KR281K
C1712pC1712p
R2510KR2510K
L9S-227-5005L9S-227-5005
L1150-04J08S
L1150-04J08S
C401N0C40
1N0
C921N0
C921N0
C9333p HV
C9333p HV
FL1A45MHz
FL1A45MHz
C9456pHV
C9456pHV
L2150-04J08S
L2150-04J08S
R27 39KR27 39K
R58180R58180
FL2455 kHzFL2455 kHz
L30L30
C41N0C41N0
R26100R26100
L3143.5nH
L3143.5nH
C18
68p
C18
68p
C41.1C41.1
Q13
MRF1511
Q13
MRF1511
L23L23
L6L6
R3539R3539
C891uFC89
1uF
R947R947
R577.5
R577.5
R59150
R59150
C104C104
Q9
85633R25
Q9
85633R25
R20150R20150
C981N0C981N0
C901N0C901N0
L29L29
L32L32
D2
HSMP3822
D2
HSMP3822
C5.01C5
.01
D3HSMP3822D3HSMP3822
C961N0C961N0
C9556pHV
C9556pHV
L1222nH 1008L1222nH 1008
C97100p HV
C97100p HV
R332K7R332K7
C2668pC2668p
R34330R34330
C2512pC2512p
U7MAV11U7MAV11
1
2
3Q8MRF4427Q8MRF4427
L4150-04J08S
L4150-04J08S
FL1B45MHzFL1B
45MHz
L1343.5nH
L1343.5nH
C192pC192p
C3415pC3415p
C201pC201p
L5150-04J08S
L5150-04J08S
C272pC272p
Q1225139Q1225139
U2MC12202DU2MC12202D
OSCIN 1
OSC 2
VP 3
VCC 4
DO 5
GND 6
LD 7
FIN 8CLK9
DATA10
LE11
FC12
BISW13
FOUT14
0P15
0R16
C281pC281p
R54560R54560
R1856KR1856K
C2912pC2912p
C881N0C881N0
L28L28
C8415p
C8415p
R4247R4247
C8568pC8568p
C71N0C71N0
L27L27C80
1N0C80
1N0
R461K8R461K8
L3150-04J08S
L3150-04J08S
C71.022C71.022
C8610pC86
10p
C8768pC8768p
R4339KR4339K
C8312pC83
12p
R4439KR4439K
U8MAV11
U8MAV11
1
2
3
C821pC821p
C693N3C693N3
C812pC812p
C703N3C703N3
R14220R14220
R55680R55680
C91100pC91100pR56
2K2R562K2
R2122KR2122K
FB3FB3
C3239pC3239p
C6.01C6.01
U9MIC5205U9MIC5205
VI1
2
EN3
VO 5
BP 4
C681uFC681uF
L1643.5nH
L1643.5nH
C991uFC991uF
Q4
85633R25
Q4
85633R25
C581N0C581N0
C59.01C59.01
R13100KR13100K
L26L26 C103100p HVC103100p HV
C1410pC1410p
FB4FB4
L18L18
C741uFC741uF
R4722KR4722K R30
330R30330
C3100pC3100p
C531N0C531N0
C365p
C365p
C791uFC791uF
C541N0C541N0
R2310KR2310K
C16100pC16100p
Q11
MMBFJ309
Q11
MMBFJ309
L83.9uH
L83.9uH
R3647R3647
C37.01
C37.01
L2043.5nHL20
43.5nHL2143.5nHL2143.5nH
U1MC3371DU1MC3371D
XTAL 1
XTAL 2
MIX OUT 3
VCC 4
LIM IN 5
DECPLE 6
DECPLE 7
QUAD 8AUDIO9
FILT IN10
FILT OUT 11
SQ IN12
MTR DRV13
MUTE14
GND15
MIX IN16
L2243.5nHL2243.5nH
C3910pC3910p
C721uFC721uF
R50220KR50220K
R51470KR51470K
C50C50
C5510pC5510p
R4922KR4922K
C49C49
R2456KR2456K
R4822KR4822K
C48C48
C38.1C38.1
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCCVCC
VCC
VCC
TP1
Size
Scale
CAGE Code DWG NO Rev
Sheetof
D
PYRAMID COMMUNICATIONS
Friday, October 17, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
VHF Rev D
Size
Scale
CAGE Code DWG NO Rev
Sheetof
D
PYRAMID COMMUNICATIONS
Friday, October 17, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
VHF Rev D
Size
Scale
CAGE Code DWG NO Rev
Sheetof
D
PYRAMID COMMUNICATIONS
Friday, October 17, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
VHF Rev D
Mod Bal
10K
Mod
T/R Shift
Out
Cont Volt
Gnd
5VDC
cw
,4,4
TX9V
1
2
4
3
RX5V
5
Tx9V
9VDC
WB
NB
VCO
Gnd6
7
FL1A45R15
FL1A45R15
C5015p HVC5015p HV
C67.1C67.1
C43.1
C43.1
L33S-227-5008L33S-227-5008
C8768pC8768p
U5HMC544
U5HMC544
RF2 1
GND 2
RF1 3B4
O/P5
A6
C781N0C781N0
R59150R59150
R20150R20150
R4439KR4439K
FB4FB4
C1868pC1868p
L101uHL101uH
L1343.5nHL1343.5nH
C2912pC2912p
C531N0C531N0
C91100pC91100p
L26100nHL26100nH
R58180R58180
C771uFC771uF
C8.01C8.01
Q10IRLMS6702Q10IRLMS6702
D3HSMP3822
D3HSMP3822
C8415pC8415p
C681uFC681uF
C791uFC791uF
C45.01
C45.01
R2739KR2739K
R13100KR13100K
L1943.5nHL1943.5nH
C721uFC721uF
L9S-227-5005
L9S-227-5005
C4933p HVC4933p HV
C3239pC3239p
R947R947C83
12pC8312p
RV1RV1
C2668pC2668p
C981N0C981N0
C693N3C693N3
L7S-227-5008
L7S-227-5008
C192pC192p
R3647R3647
R1856KR1856K
C541N0C541N0
C5510pC5510p
L3018.5nH
L3018.5nH
FL3455GFL3455G
R50220KR50220K
U2MC12202DU2MC12202D
OSCIN 1
OSC 2
VP 3
VCC 4
DO 5
GND 6
LD 7
FIN 8CLK9
DATA10
LE11
FC12
BISW13
FOUT14
0P15
0R16
R6047R6047
C961N0C961N0
C8568pC8568p
Q20 OhmQ20 Ohm
C741uFC741uF
C4833p HVC4833p HV
C751uFC751uF
L1222nH
L1222nH
C112100pC112100p L16
43.5nHL1643.5nH
C365p
C365p
Q11MMBFJ309
Q11MMBFJ309
X144.545
X144.545
C1410pC1410p
C821pC821p
C2512pC2512p
C901N0C901N0
C703N3C703N3
C3533pC3533p
C201pC201p
R562K2R562K2
C24100pC24100p
L3143.5nH
L3143.5nH
C4715p HVC4715p HV
C100
100p
C100
100p
L25100nHL25
100nH
R51470KR51470K
C103100p HV
C103100p HV
R4247R4247
C9556pHVC95
56pHV
L27120nH
L27120nH
C131N0C131N0
R2122KR2122K
C581N0C581N0
TCXO112.8 MHzTCXO112.8 MHz
VCC1
MOD2
OUT 3
GND 4
R2310KR2310K
R26100R26100
L4150-04J08S
L4150-04J08S
L83.9uH
L83.9uH
R281K
R281K
C3100pC3100p
R14220R14220
C812pC812p
JP2JP2
123456789
1011121314
C6.01C6.01 L20
43.5nHL20
43.5nH
R3539R3539
C41N0C41N0
C101C101
FL1B45R15FL1B
45R15
R24
56K
R24
56K
Q13
MRF1511
Q13
MRF1511
U6HMC544
U6HMC544
RF21
GND2
RF13 B 4
O/P 5
A 6
R4922KR4922K
C801N0C801N0
R332K7R332K7
R461K8R461K8
Q1XN4210Q1XN4210
C97100p HV
C97100p HV
L5150-04J08S
L5150-04J08S
C921N0C921N0
C104C104
U1MC3371DU1MC3371D
XTAL 1
XTAL 2
MIX OUT 3
VCC 4
LIM IN 5
DECPLE 6
DECPLE 7
QUAD 8AUDIO9
FILT IN10
FILT OUT 11
SQ IN12
MTR DRV13
MUTE14
GND15
MIX IN16
R47
22K
R47
22K C59.01C59.01
C37.01
C37.01
C3910pC3910p
L23100nHL23100nH
R2510KR2510K
C16100pC16100p
C108
100p
C108
100p
D5MMBD914D5
MMBD914
C1712pC1712p
Q1225139Q1225139
L298nHL298nH
L2143.5nHL2143.5nH
C102C102
U7MAV11U7MAV11
1
2
3
L3150-04J08S
L3150-04J08S
C3415pC3415p
C891uFC89
1uF
R4822KR4822K
L622nH
L622nH
R34330R34330
C71.022C71.022
C272pC272p
C9333p HV
C9333p HV
C41.1C41.1
R822K2R822K2
C5.01C5
.01
L1150-04J08S
L1150-04J08S
L181uHL181uH
R5310R5310
FL2455E
FL2455E
C105C105
Q7
2N4401
Q7
2N4401
C401N0C40
1N0
L3222nH
L3222nH
C12C12
C4412pC4412p
U3LM321U3LM321
1
34
R54560R54560
L2243.5nHL2243.5nH
R41100KR41100K
C8610pC8610p
C42C42
FB3FB3
C21N0C21N0
R577.5R577.5
Q9
85633R25
Q9
85633R25
L1133nH
L1133nH
R4339KR4339K
L2150-04J08S
L2150-04J08S
Q8MRF4427
Q8MRF4427
C281pC281p
R30330R30330
C38.1
C38.1
R55680R55680
C11N0C11N0
U8MAV11U8MAV11
1
2
3
C9456pHV
C9456pHV
C71N0C7
1N0
D2
HSMP3822
D2
HSMP3822
C11C11
R832K2R832K2
L2882nHL2882nH
C4612pC4612p
Q485633R25Q485633R25
C881N0C881N0
4
4
3
3
2
2
1
1
D D
C C
B B
A AVCC
VCC
VCC
VCC
Size
Scale
CAGE Code DWG NO Rev
Sheetof
D
PYRAMID COMMUNICATIONS
Friday, February 08, 20081 1
C
Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
UHF VOICE/DATA TRANSCEIVER
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
D
PYRAMID COMMUNICATIONS
Friday, February 08, 20081 1
C
Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
UHF VOICE/DATA TRANSCEIVER
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
D
PYRAMID COMMUNICATIONS
Friday, February 08, 20081 1
C
Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
UHF VOICE/DATA TRANSCEIVER
<Cage Code>
12.8 MHz
5VDC
Mod
Ground
Out
Control
18nH
12nH 12nH 12nH
T/R
1
2
3,7
4
5
6
Rx 5V
RSSI
Rx Audio
Rx 5v
Lock Det
Mod
VCO
-
9VDC
9VDC
Tx 9V
10K
43nH
1N8 1N8
4N7
100nH100nH
15nH
27nH 3.3nH
56nH
100nH3.9uH
1uH
12nH
18nH
,4,4
2N5 2N5 2N5
2N5
C23100p
C23100p
X2X2
VCC1
MOD2
OUT 3
GND 4
C24C24 C25C25
C1712pC1712p
C1812pC1812p
C27.1UC27.1U
C3627pC3627p
C19.01C19.01
L8S-227-5004
L8S-227-5004
JP1JP1
123456789
1011121314
�S-227-5008
�S-227-5008
C358pC358p
Q985633-SQ985633-S
D1MMBD914
D1MMBD914
L5S-227-5008
L5S-227-5008
R1310KR1310K
C833pC8
33p
C141uFC141uF
C501N0C501N0
C51.1UC51.1U
C26.1UC26.1U
C5222UC5222U
C15C15C16
.1UC16
.1U
L10L10
C55pC55p
R71KR71K
R37150K
R37150K
R410KR410K
L7S-227-5005L7S-227-5005
C581N0C58
1N0
FL1A45MHzFL1A
45MHz
R6 39KR6 39K
FL2455 kHzFL2455 kHz
Q285633-SQ285633-S
R20220R20220
Q62N4401Q62N4401
R19100K
R19100K
L9L9
L14L14
Q7NE25139U72Q7NE25139U72
C34.01C34.01
R391K
R391K C75
1N0C751N0
L21L21
L22L22
C74
5p
C74
5pR2
10
R2
10
R38220R38220
C615P1 HVC615P1 HV
C761N0C761N0
R8
10
R8
10
C5710p HVC5710p HV
C201uFC201uF
C568P2 HVC568P2 HV
C553N3C553N3
RV1RV1
L18L18
R40
330
R40
330
L23L23
R1
220
R1
220
C77100pC77100p
L25L25L24L24 L27L27Q3MRF1517
Q3MRF1517
R3047R3047
FL1B45MHzFL1B
45MHz
BPF1302MXPR-1110-DBPF1302MXPR-1110-D
R29133R29133
L3L3
C712pC712p
BPF27HW-45025A-460
BPF27HW-45025A-460
C491N0C491N0
U1A
LMV321
U1A
LMV321
3
21
L13L13L12L12
U4MC12202U4MC12202
OSCIN 1
OSC 2
VP 3
VCC 4
DO 5
GND 6
LD 7
FIN 8CLK9
DATA10
LE11
FC12
BISW13
FOUT14
0P15
0R16
X144.545MHzX144.545MHz
L11L11
C488pC488p
R547R547
C473pC473p
C468pC468p
R12
10
R12
10
C45100p
C45100p
Q45812Q45812
L20L20
R112K7R112K7
R258K2R258K2
C30
.1U
C30
.1U
R261K2R261K2
C3839pC3839p
R14
39K
R14
39K
C37100pC37100p
R15
39K
R15
39K
L19L19
L17L17
C632N2C632N2
R2439R2439
C642N2C642N2
U5MAV11U5MAV11
1
2
3
R1822KR1822K
U6MAV11
U6MAV11
1
2
3
L16L16
R2347
R2347
D33822D33822
R4122KR4122K
C22100pC22100p
D23822D23822
L15L15
C53100p HV
C53100p HV
R32330R32330
Q5IRLMS6702Q5IRLMS6702
C601N0C601N0
C591N0C591N0
C13100pC13100p
C311uFC311uF
C227pC2
27pC1
.01C1
.01C54
100p HVC54
100p HV
C627pC6
27p
L26L26 L28L28
C396.8p HVC396.8p HV
C44.01
C44.01
C4010p HVC4010p HV
C331uFC33
1uF
C4110p HVC4110p HV
C426.8P HVC426.8P HV
C43220pC43220p
C95pC95p
R310KR310K
Q1MMBFJ309Q1MMBFJ309
C7012pC7012p
L1L1
C339pC3
39p
L6L6
C11.01
C11.01
FB2FB2
U2
MC3371D
U2
MC3371D
XTAL 1
XTAL 2
MIX OUT 3
VCC 4
LIM IN 5
DECPLE 6
DECPLE 7
QUAD 8AUDIO9
FILT IN10
FILT OUT 11
SQ IN12
MTR DRV13
MUTE14
GND15
MIX IN16
FB1FB1
C105p
C105p
C291uFC291uF
R9330K
R9330K
R10470KR10470K
C78
100p
C78
100p
R1622KR1622K
C28.1UC28.1U
R2256KR2256K
R1722KR1722K
C12.047
C12.047
U3MIC5205U3MIC5205
VI1
2
EN3
VO 5
BP 4
C82C82
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC
VCC
VCC
VCC
VCC
vcc
Size
Scale
CAGE Code DWG NO Rev
Sheetof
E
PYRAMID COMMUNICATIONS
Thursday, October 23, 20081 1
C
Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
UHF REVE
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
E
PYRAMID COMMUNICATIONS
Thursday, October 23, 20081 1
C
Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
UHF REVE
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
E
PYRAMID COMMUNICATIONS
Thursday, October 23, 20081 1
C
Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
UHF REVE
<Cage Code>
12.8 MHz 5VDC
Mod
Ground
Out
Control
T/R
1
2
7
4
5
6
RSSIRx Audio
Rx 5v
Lock Det
Mod
VCO
9VDCTx 9V
10K
,4,4
WB
NB
Rx 5V
3
C78 - C83
C23 - C25
L232N5L232N5
L16100nHL16100nH
FB1FB1
C501N0C501N0
C5
5p
C5
5p
BPF1302MXPR-1110-D
BPF1302MXPR-1110-D
R1722KR1722K
R410KR410K
C491N0C491N0
C37100pC37100p
C4110p HVC4110p HV
U2
MC3371D
U2
MC3371D
XTAL 1
XTAL 2
MIX OUT 3
VCC 4
LIM IN 5
DECPLE 6
DECPLE 7
QUAD 8AUDIO9
FILT IN10
FILT OUT 11
SQ IN12
MTR DRV13
MUTE14
GND15
MIX IN16
L10100nHL10100nH
C34.01C34.01
L63.9uHL63.9uH
C45100p HV
C45100p HV
X144.545MHzX144.545MHz
U8
HMC544
U8
HMC544
RF2 1
GND 2
RF1 3B4
O/P5
A6
C1.01C1
.01 L251N8L251N8
C632N2C632N2
R2347
R2347
FL1B45MHzFL1B45MHz
L2712.5nH
L2712.5nH
R8
10
R8
10
C591N0C591N0
C28.1UC28.1U
C51.1UC51.1U
C12.047C12.047
U4MC12202
U4MC12202
OSCIN 1
OSC 2
VP 3
VCC 4
DO 5
GND 6
LD 7
FIN 8CLK9
DATA10
LE11
FC12
BISW13
FOUT14
0P15
0R16
C77100pC77100p
R4122KR4122K
L81uHL8
1uH
C581N0C581N0
L194N7L19
4N7
C426P8 HVC426P8 HV
BPF27HW-45025A-460
BPF27HW-45025A-460
C1712pC1712p
C615P1 HVC61
5P1 HV
Q10XN4210Q10XN4210
R2256KR2256K
R1822KR1822K
JP1JP1
123456789
1011121314
C627pC6
27p
100p100p
L241N8L241N8
Q45812Q45812
L2S-227-5008
L2S-227-5008
Q7NE25139U72Q7NE25139U72
C15C15
C642N2C642N2
C3627pC3627p
C22100pC22100p
C712pC712p
C54100p HV
C54100p HV
L122N5L122N5
L17100nHL17100nH
L2256nH
L2256nH
C311uFC311uF
R1210
R1210
C761N0C761N0
L2812.5nH
L2812.5nH
C66
1N0
C66
1N0
FL3
455G
FL3
455G
D33822D33822
L115nH
L115nH
C1812pC1812p
C5710p HVC57
10p HV
R37150KR37150K
FL2
455E
FL2
455E
D1MMBD914
D1MMBD914
C621uFC621uF
FL1A45MHzFL1A45MHz
C44.01
C44.01
C16.1U
C16.1U
Q3MRF1517
Q3MRF1517
Q80 Ohms
Q80 Ohms
L20
18.5nH
L20
18.5nH
R391K
R391K
C358p
C358p
C53100p HV
C53100p HV
L2612.5nH
L2612.5nH
Q285633-S
Q285633-S
L112N5L112N5
R2439R2439
L5S-227-5008
L5S-227-5008
C7012pC7012p
C651N0C651N0
R112K7R112K7
R1220R1220
C11.01C11.01
D23822D23822
R639KR639K
C19.01
C19.01
C568P2 HVC56
8P2 HV
L4S-227-5005L4S-227-5005
Q62N4401Q62N4401
R1310KR1310K
Q985633-S
Q985633-S
R9330K
R9330K
R40330R40330
R258K2R258K2
L1418.5nHL14
18.5nH
C43220pC43220p
RV1RV1
R3047R3047
R331K
R331K
C95pC95p
C751N0C751N0
C488P2 HVC488P2 HV
L132N5L132N5
Q5IRLMS6702Q5IRLMS6702
R20220R20220
U9
HMC544
U9
HMC544
RF21
GND2
RF13 B 4
O/P 5
A 6
C833pC8
33p
C30.1UC30.1U
U5MAV11U5MAV11
1
2
3
L151uHL151uH
C553N3C553N3
R547R547
C5222UC5222U
C26.1UC26.1U
C745p
C745p
R10470KR10470K
C291uFC291uF
R261K2R261K2
C396P8 HVC396P8 HV
R29133R29133
R310K
R310K
L213.3nHL213.3nH
C473P3 HVC473P3 HV
TCXO1TCXO1
VCC1
MOD2
OUT 3
GND 4
C13100pC13100p
R19100K
R19100K
U1
LM321
U1
LM321
1
34
R210R210
100p100p
R1439KR1439K
R32330R32330
U6MAV11
U6MAV11
1
2
3
R341KR341K
R71KR71K
L1843nHL18
43nH
FB2FB2
C331uFC33
1uF
R38220R38220
R1622KR1622K
C105pC105p
C3839pC3839p
C4010p HVC4010p HV
L3
12.5nH
L3
12.5nH
Q1MMBFJ309
Q1MMBFJ309
C468P2 HVC468P2 HV
C227pC2
27p
L927nHL927nH
C339pC339p
R1539KR1539K
C141uFC141uF
C601N0C601N0
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC
9VDC
3V
VCC
3V
VCC
TX9VRX5V
9VDC
9VDC
Size
Scale
CAGE Code DWG NO Rev
Sheetof
E
Pyramid Communications
Thursday, February 07, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
E
Pyramid Communications
Thursday, February 07, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
<Cage Code>Size
Scale
CAGE Code DWG NO Rev
Sheetof
E
Pyramid Communications
Thursday, February 07, 20081 1
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
<Cage Code>
RX5V
RSSI
RX Audio
,4
Bias
,4
-
14 1
2
3
4
5
7 8
10
11
12
13
764-806 MHz 806-870 MHz 897-941 MHzC8,C9
C48
C43AC43B
L7L12
R7,R8
R12,R14R9,R10
VCO1
6P8 4P7 3P9----- -----
-----5P6
5P6 4P74P 4P 3P
2N55 1N65 1N6515N 10N 10N18 18 10330 330 680
750-840 810-900 840-950
Chart
Chart
Chart
Chart
Chart
Chart
Chart Chart
Chart
18 18 10
700/800/900 MHz Transceiver
L4 6N86N8 5N6
Chart
Chart
Chart Chart
Chart
C264N7C264N7
FB3FB3
C6112PC6112P
FB4FB4
C59.01C59.01
FL4LPFFL4LPF
1 2
3
R351K0
R351K0
X144.545X144.545
FB6FB6
FL3LPFFL3LPF
1 2
3
R2418R2418
U4RF2131U4RF2131
12345678
161514131211109
C3627pC3627p
C9C9
C63.1U
C63.1U
C8C8
C64C64
L610n
L610n
U11MAX3392
U11MAX3392
L210nL210n
C4727PC4727P
C464PC464P
L7L7
C48C48
C43AC43A
Q485633-R25Q485633-R25
C771N0C771N0
C30100pC30100p
C2127pC2127p
R26100K
R26100K
L1122NL1122N
J1J1
R27100R27100
C45100PC45100P
C3527pC3527p
C111N0C111N0
R301K0R301K0
C511N0C511N0
U1MAV11U1MAV11
1
2
3
C4939P
C4939P
L12L12
C1627pC1627p
C1022UC1022U
R1118R1118
C33100p
C33100p
C12.01C12.01
L522NL522N
R2810R2810
R3210KR3210K
VCO1VCO1
VT1
VCC2
MOD 3
OUT 4
C13.01C13.01
C535PC535P
C5433PC5433P
L1100nL1100n
U5MAV11U5MAV11
1
2
3
C1727pC1727p
C5212PC5212P
FB5FB5
L3100n
L3100n
C34100p
C34100p
R12R12
R3110R3110
C127pC127p
R7R7
L83U9L83U9
C585PC585P
Q3XN4315Q3XN4315
R2322K
R2322K
C1827p
C1827p
R8R8
R9R9
R10R10
R3456KR3456K
C57.1UC57.1U
C3227pC3227p
R1356R1356
R3310KR3310K
C1527pC1527p
C561N0C561N0
FB1FB1
C14.01C14.01
C227p
C227p
C201N0C201N0
C192U2C192U2
L4L4
C2827pC2827p
Q2XN4210Q2XN4210
C66100P
C66100P
R212K2R212K2
C76C76
R2222KR22
22K
U8MIC5205-5U8MIC5205-5
VI1
2
EN3
VO 5
BP 4
R418R418
C39470PC39470P
R3 47R3 47
R14R14
C75.1UC75.1U
C37470PC37470P
TCXO112.8 MHzTCXO112.8 MHz
VCC1
MOD2
OUT 3
GND 4
U10A
LMV321
U10A
LMV321
3
21
R37470R37470
C38470PC38470P
R38470R38470
J4J4
123456789
1011121314
R15 100R15 100
R2556R2556
U7HMC446U7HMC446
456
321
C327pC327p
FB2FB2
R1656R1656
C65100P
C65100P
C627pC627p
C31.01C31.01
FB8FB8
C44.01C44.01
C527pC527p
C2427p
C2427p
C50.01
C50.01
C55.01
C55.01
C427pC427p
U2
MIC5205-3
U2
MIC5205-3
VI 1
2
EN 3
VO5
BP4
U3
MIC5205-5
U3
MIC5205-5
VI 1
2
EN 3
VO5
BP4
C722UC722U
C4127p
C4127p
U6ADF4252U6ADF4252
CP
RO
1C
PR
G2
RFI
A3
RFI
B4
AG
ND
5M
UX
6
REFA7REFB8DGND9CLK10DI11LE12
RS
ET
13A
GN
D14
IFIA
15IF
IB16
DV
DD
17C
PIG
18
CPIO 19VP2 20VDD2 21VDD3 22VDD1 23VP1 24
BPF13 PoleBPF13 Pole
BPF22 PoleBPF22 Pole
U9MC3371DU9MC3371D
XTAL 1
XTAL 2
MIX OUT 3
VCC 4
LIM IN 5
DECPLE 6
DECPLE 7
QUAD 8AUDIO9
FILT IN10
FILT OUT 11
SQ IN12
MTR DRV13
MUTE14
GND15
MIX IN16
C2327pC2327p
T1S2275008T1
S2275008
C741U0C741U0
R172K7
R172K7
T2S2275008T2S2275008FL1BFL1B
C73C73
FL1AFL1A
Q6MMBF309Q6
MMBF309
Q525139Q525139
C2718nC2718n
FL2FL2
C22C22
R39100R39100
C421U0C421U0
L10L10
C621U0C621U0
R682R682
L9L9
C4022UC4022U
R110R110
C291U0C291U0
R36 39KR36 39K
R2470R2470
FB9FB9
FB7FB7
C6012PC6012P
C2518nC2518n
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TX9VRX5V
9VDC
VCC
3V
VCC
3V
9VDC
VCC
VCC
VCC
9VDC
VCC
Size
Scale
CAGE Code DWG NO Rev
Sheetof
F
Pyramid Communications
Wednesday, January 28, 20091 2
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
Size
Scale
CAGE Code DWG NO Rev
Sheetof
F
Pyramid Communications
Wednesday, January 28, 20091 2
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
Size
Scale
CAGE Code DWG NO Rev
Sheetof
F
Pyramid Communications
Wednesday, January 28, 20091 2
C
15182 Triton Lane #102Huntington Beach CA 92649(714) 901-5462 Fax: 901-5472
RSSI
RX Audio
R9,R10
VCO1
6P8 4P7 3P9----- -----
-----5P6
5P6 4P74P 4P 3P
2N55 1N65 1N6515N 10N 10N18 18 10330 330 680
750-840 810-900 840-95018 18 10
700/800/900 MHz REVF
L4 6N86N8 5N6
764-806 MHz 806-870 MHz 897-941 MHzC8,C9
C48
C43AC43B
Chart Chart
Chart
L7L12R7,R8
R12,R14
NB
WB
RX5V
Chart
Chart
14 1
2
3
4
5
7 8
10
11
12
13
,4
Chart
,4
Chart
Chart Chart
Bias
Chart
Chart Chart Chart
Chart
C66 - C74100p
C57.1UC57.1U
C8C8
R3110R3110
L1122NL1122N
R351K0R351K0
C1527pC1527p
C851U0C851U0
R418R418
R60 2pR60 2p
BPF22 PoleBPF22 Pole
L4L4
C4939PC4939P
C227pC227p
FL1BFL1B
C33100p
C33100p
U6ADF4252U6ADF4252
CP
RO
1C
PR
G2
RFI
A3
RFI
B4
AG
ND
5M
UX
6
REFA7REFB8DGND9CLK10DI11LE12
RS
ET
13A
GN
D14
IFIA
15IF
IB16
DV
DD
17C
PIG
18
CPIO 19VP2 20VDD2 21VDD3 22VDD1 23VP1 24
U12HMC544
U12HMC544
RF2 1
GND 2
RF1 3B4
O/P5
A6
C55.01
C55.01
L7L7
R39100R39100
C2718nC2718n
U1MAV11U1MAV11
1
2
3
L6
10nH
L6
10nH
R3310KR3310K
U3
MIC5205-5
U3
MIC5205-5
VI 1
2
EN 3
VO5
BP4
FL2
455E
FL2
455E
C39470PC39470P
U13HMC544
U13HMC544
RF21
GND2
RF13 B 4
O/P 5
A 6
L83U9
L83U9
R27100R27100
X144.545X144.545
C14.01C14.01
Q7XN4210
Q7XN4210
FB3FB3
FB2FB2
C4727PC4727P
R3639KR3639K
C2827pC2827pC20
1N0C201N0
R2810R2810
FL1AFL1A
C43AC43A
P1P1
123456789
1011121314
R12R12
R172K7R172K7
L13100nH
L13100nH
J2J2
C421U0C421U0
R347R347
C1627pC1627p
C561N0C561N0
C2127pC2127p
C22C22
FB7FB7
FL3
455G
FL3
455G
C585PC585P
FB9FB9
C45100PC45100P
R14R14
C627pC627p
R422K2R422K2
C12.01C12.01
C30100pC30100p
C464PC464P
C6012PC6012P
C1727pC1727p
C192U2C192U2
R3210KR3210K
R8R8
R371MR371M
Q6MMBF309
Q6MMBF309
R7R7
R682R682
C4022UC4022U
L1100nHL1
100nH
R9R9
C3527pC3527p
R10R10
FB5FB5
C50.01
C50.01
L12L12
C527pC527p
FB8FB8
C48C48
C63 .1UC63 .1U
L3100nHL3100nH
C621U0C621U0
C84A1U0C84A1U0
C327pC327p
R2418R2418
C535PC535P
R412K2R412K2
C13.01C13.01
C34100pC34
100p
C65100P
C65100P
Q2XN4210Q2XN4210
R110R110
Q525139Q525139
C427pC427p
C722UC722U
C127pC127p
C2927pC2927p
U9MC3371DU9MC3371D
XTAL 1
XTAL 2
MIX OUT 3
VCC 4
LIM IN 5
DECPLE 6
DECPLE 7
QUAD 8AUDIO9
FILT IN10
FILT OUT 11
SQ IN12
MTR DRV13
MUTE14
GND15
MIX IN16
FB6FB6
C111N0C111N0
U11MAX3392
U11MAX3392
C44.01C44.01
C811N0C811N0
C791N0C791N0
C801U0
C801U0
C64C64
C84B.1UC84B.1U
R1656R1656
C2427pC2427p
R1118R1118
T1S2275008T1
S2275008
C5433PC5433P
U4RF2131
U4RF2131
12345678
161514131211109
Q485633-R25Q485633-R25
C6112PC6112P
U5MAV11
U5MAV11
1
2
3
R15100R15100
R212K2R212K2
U7HMC446U7HMC446
456
321
R2470R2470
R301K0R301K0
TCXO112.8 MHzTCXO112.8 MHz
VCC1
MOD2
OUT 3
GND 4
C4127p
C4127p
C18
27p
C18
27p
C3227pC3227p
FB4FB4
C1022UC1022U
Q3XN4315Q3XN4315
U10A
LMV321
U10A
LMV321
3
21
FL5LPFFL5LPF
1 2
3
R3456KR3456K
C31.01C31.01
BPF13 PoleBPF13 Pole
L91uHL91uH
C5212PC5212P
C9C9
R26100KR26
100K
C59.01C59.01
R1356R1356
R2556R2556
R381MR381M
R2222KR22
22K
VCO1VCO1
VT1
VCC2
MOD 3
OUT 4
T2S2275008T2S2275008
C2518nC2518n
C511N0C511N0
C75.1UC75.1U
L522nHL522nH
C781N0C781N0
C2327pC2327p
FB1FB1
FL4LPFFL4LPF
1 2
3
L17L17
U2
MIC5205-3
U2
MIC5205-3
VI 1
2
EN 3
VO5
BP4
L210nHL210nH
C38470PC38470P
C76C76
R2322K
R2322K
C264N7C264N7