8210-service manual(070525)

31
SERVICE MANUAL MODEL 8210 SWEEP/FUNCTION GENERATOR DAGATRONICS CORPORATION

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Page 1: 8210-Service Manual(070525)

SERVICE MANUAL

MODEL 8210 SWEEP/FUNCTION GENERATOR

DAGATRONICS CORPORATION

Page 2: 8210-Service Manual(070525)

CONTENTS

1. PERFORMANCE CHECK PROCEDURE

2. ADJUSTMENT PROCEDURE

3. TROUBLESHOOTING PROCEDURE

4. PARTS LIST

5. CIRCUIT DIAGRAM

2

Page 3: 8210-Service Manual(070525)

1. PERFORMANCE CHECK PROCEDURE

1-1. General

This section contains the Procedures required to check and maintain specified instrument

performance. The adjustments should be performed at an ambient temperature of

23°C ±5°C and a relative humidity of less than 60%. It allows the instrument to stabilize at

this environment for a minimum of 30 minutes.

1-2. Equipment's required

Table 1-1 is shown test equipment's required.

Table 1-1 Equipment's required

No

.

Equipment name Specification Remark

1. Frequency Counter DC to 60 MHz

2. Oscilloscope DC to 20 MHz

3. AC Millivolt Meter Up to 30 Vrms

4. Distortion Analyzer 0.01% 100kHz

5. DC Power Supply DC 0 to 10V

6. Signal Generator 200mHz to 110 MHz

7. FEEDTHROUGH TERMINATION 50 Ω

1-3. Performance check

1-3-1. OUTPUT FREQUENCY RANGE

SPECIFICATION

0.1 Hz TO 10 MHz

ACCURACY

+/- 5 % OF SETTING

EQUIPMENT

FREQUENCY COUNTER

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

2. Set 8210 as follows;

- Function ; SINE WAVE ( )

3

Page 4: 8210-Service Manual(070525)

- ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the frequency counter to output terminal.

3. Set the frequency counter to frequency measurement.

4. Set the output frequency of this product by FREQUENCY RANGE and DIAL and verify

counter frequency reading as follows;

8210 setting Counter reading

Range Frequency

1M 10.000 MHz

100.00 kHz

100k 1.0000 MHz

10.000 kHz

10k 100.00 kHz

1.0000 kHz

1k 10.000 kHz

100.00 Hz

100 1.0000 kHz

10.000 Hz

10 100.00 Hz

1.0000 Hz

1 10.000 Hz

100.00 mHz

** For reading less than 200 mHz, you can read by period value.

200mHz ; 5.000 sec

100 mHz ; 10.000 sec

1-3-2. AMPLITUDE AND ATTENUATION

SPECIFICATION

Amplitude range ;100mVp-p to 10Vp-p IN TO 50Ω

Attenuation ;20 dB

ACCURACY

Lower than 100mVp-p(IN TO 50Ω) at MIN.

Higher than 10Vp-p(IN TO 50Ω) at MAX.

4

Page 5: 8210-Service Manual(070525)

EQUIPMENT

Oscilloscope

AC Millivoltmeter

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω

PROCEDURE

1. Set this product as follows;

- Function ; SINE WAVE ( )

- ATT ; 0 dB(PULL OUT)

5

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the oscilloscope through FEEDTHROUGH TERMINATION 50 Ω

to output terminal.

3. Set Amplitude Control to Min. position and check the output level is lower than

100mVp-p(less 5div in 20mV/div).

4. Set Amplitude Control to Max. position and check the output level is higher than

10Vp-p(higher than 4div in 5V/div).

5. Set Amplitude Control to Min. position and connect AC Millivoltmeter to output

terminal.

6. Set the Range of AC millivoltmeter to 3V range and adjust Amplitude control for

0dB reading on AC millivoltmeter.

7. Push in “20dB ATT switch” and check the reading of AC Millivoltmeter is -20 dB.

1-3-3. SINE WAVE CHARACTERISTICS

SPECIFICATION

Total harmonic Distortion(THD) ; ≤ 1 % (10Hz to 100kHz)

EQUIPMENT

Distortion analyzer

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- Function ; SINE WAVE ( )

- ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; CENTER

Page 6: 8210-Service Manual(070525)

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the distortion analyzer to output terminal.

3. Check the distortions of output signal are less than 1% from 10Hz to 100kHz.

1-3-4. TRIANGLE/SQUARE WAVE CHARACTERISTICS

SPECIFICATION

Linearity of Triangle Wave ; ≥ 99 % (10Hz to 100kHz) Rise and Fall Time of Square Wave ; Less than 120nS at 10MHz Max. output level

EQUIPMENT

Oscilloscope

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- Function ; TRIANGLE WAVE ( )

- ATT ; 0 dB(PULL OUT)

6

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the oscilloscope to output terminal.

3. Check the linearity of Triangle wave from 10Hz to 100kHz.

4. Change the function to “SQUARE WAVE( )” and check the rise and fall time at 10MHz Max. output level.

1-3-5. TTL OUTPUT

SPECIFICATION

TTL OUTPUT - Rise and Fall Time ; Less than 25nS

- Output Level ; TTL LEVEL (H ≥ 2.4V , L ≤ 0.4V)

EQUIPMENT

Oscilloscope

BNC CABLE

Page 7: 8210-Service Manual(070525)

PROCEDURE

1. Set this product as follows;

- FREQ. RANGE ; 10k

- FREQ. DIAL ; 10kHz

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

3. Set the oscilloscope to 1V/div, 5uS/div and connect to TTL output terminal.

4. Check the rise and fall time of TTL SQUARE WAVE on CRT( 5div ).

1-3-5. DC OFFSET CONTROL

SPECIFICATION

MIN. ; lower than -10 V DC (Open circuit)

MAX. ; higher than +10 V DC (Open circuit)

EQUIPMENT

Oscilloscope

BNC CABLE

PROCEDURE

1. Set this product as follows;

- Function ; SQUARE ( )

- ATT ; 0 dB(PULL OUT)

- FREQ. RANGE ; 10k

- FREQ. DIAL ; 10kHz

- AMPLITUDE ; CENTER

2. Set Oscilloscope to 5V/DIV, 10uS/DIV, DC Coupling and connect to output terminal.

3. Adjust Amplitude Control for 2DIV on CRT.

4. Pull out “DC OFFSET” Control and set to “MIN.” position and check the DC OFFSET level is lower than -10V(Lower than -2DIV).

5. Set “DC OFFSET” Control to “MAX.” position and check the DC OFFSET level is higher than +10V(Higher than +2DIV).

1-3-6. SYMMETRY CONTROL

SPECIFICATION

MIN. ; lower than 1:10

MAX. ; higher than 10:1

7

Page 8: 8210-Service Manual(070525)

EQUIPMENT

Oscilloscope

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- Function ; SQUARE ( )

- ATT ; 0 dB(PULL OUT)

8

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the oscilloscope to output terminal.

3. Set the output frequency to 10kHz.

4. Pull out SYM Control and adjust to Min. position. And check the symmetry(duty

ratio) is “lower than 1:10”. 5. Adjust SYM Control to Max. position and check the symmetry(duty ratio) is”higher than 10:1”.

1-3-7. SWEEP FUNCTION

SPECIFICATION

Sweep Width ; 1:1 to 100:1

Sweep Rate ; 0.5Hz to 50Hz(20mS to 2 S)

EQUIPMENT

Oscilloscope

Frequency Counter

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- Function ; SINE WAVE ( )

- ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

2. Connect the oscilloscope and Frequency Counter to output terminal.

3. Set Freq. Range to 10k and adjust Freq. Dial to 1.00 kHz (Start Frequency).

Page 9: 8210-Service Manual(070525)

4. Pull out SWIDTH Control and adjust to max. position ( 100kHz, Stop frequency).

5. Adjust Sweep Rate Control for desired rate and check sweep operating.

1-3-8. VCF IN FUNCTION

SPECIFICATION

Out-put frequency should be changed from minimum frequency to maximum frequency in

each frequency range by changing VCF INPUT Voltage from 0 to 10V DC.

EQUIPMENT

Power supply

BNC CABLE

PROCEDURE

1. Set this product as follows;

- Function ; SINE WAVE ( )

- Frequency Range ; 10K

- Frequency Control ; Max.

- ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

2. Set Power Supply to “0V” and connect to “VCF IN” Terminal. 3. Check the output frequency is “1.00kHz ± 0.2kHz”. 4. Increase the output voltage of Power Supply up to +10V and check the output

frequency as following table.

VCF Voltage Output Frequency Tolerance

0 1.000 kHz ± 0.2kHz

2.000 V 20.00 kHz ± 4 kHz

4.000 V 40.00 kHz ± 8 kHz

6.000 V 60.00 kHz ± 12 kHz

8.000 V 80.00 kHz ± 16 kHz

10.00 V 100.00 kHz ± 20 kHz

1-3-9. FREQUENCY COUNTER

SPECIFICATION

Frequency range ; 200mHz to 110MHz

Input sensitivity ; 100mVrms

EQUIPMENT

Signal generator

9

Page 10: 8210-Service Manual(070525)

PROCEDURE

1. Set the COUNT to EXT(PUSH IN).

2. Connect the signal generator to EXT COUNT IN terminal.

3. Set the signal generator to 100mVrms, 200mHz and check the reading of 8210.

4. Vary the output frequency from 200mHz to 110MHz and check the 8210 displays

correct frequencies.

5. Push in LPF(Low Pass Filter) and check the LPF is working (-3dB +/-0.2dB point at

approx. 120kHz).

< Check procedure >

a. Apply 120KHz signal with minimum input level into EXT COUNT IN.

b. Push in LPF switch and check gate time(Frequency display) is stopped.

c. Increase input level and check the gate time(Frequency display) is starting to

and check the input level is increased about 3dB(+/-0.2dB) from “minimum input level”.

2. ADJUSTMENT PROCEDURE

2-1. Preliminary Set-up

Remove top cover. Apply power, and allow at least 30 minutes for warm-up.

2-2. Power supply

a. Check the voltage in each position according to table 2-1.

Table 2-1 Power supply outputs

Check position Supplying Voltage Tolerance Remark

Output Pin of

U6,15,20

+ 5 V ± 0.5V U6,15 : Assembled

at Rear panel

Output Pin of U5 + 15 V ± 0.5V

Output Pin of U7 - 15 V ± 0.5V

Anode of ZD1 - 5 V ± 0.5V

Upper leg of R68 + 21 V ± 2 V

10

Page 11: 8210-Service Manual(070525)

2-4. PRE-ADJUSTMENTS

EQUIPMENT

Oscilloscope

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

2-4-1. TRIANGLE WAVE OFFSET 1. Set this product as follows;

- Function ; TRIANGLE WAVE ( )

- ATT ; 20 dB(PUSH IN)

- AMPLITUDE ; MIN.

- FREQUENCY ; 10kHz

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

2. Set the oscilloscope to 0.5V/DIV, 20uS/DIV , DC Coupling and set the vertical

position to horizontal graticule center.

3. Connect the oscilloscope to output terminal.

4. Set “AMPLITUDE” control for 2DIV on CRT and adjust SFR15(OFFSET ADJUSTER) for “0 OFFSET of waveform”(The waveform should be in center. +/- 0.1DIV from horizontal graticule center).

2-4-2.SQUARE WAVE LEVEL

1. Set this product as follows;

- Function ; “SQUARE WAVE ( )” - ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; MAX.

- FREQUENCY ; 10kHz

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

2. Change the function to “SQUARE WAVE” 3. Set the oscilloscope to 5V/DIV, 20uS/DIV

4. Check the output level of Square Wave is more than 17Vpp.

11

Page 12: 8210-Service Manual(070525)

2-4-3.SINE WAVE LEVEL Adjust.

1. Set this product as follows;

- Function ; “SINE WAVE ( ) - ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; MAX.

- FREQUENCY ; 10kHz

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

2. Change the function to “SINE WAVE” 3. Set the oscilloscope to 5V/DIV, 20uS/DIV

4. Adjust SFR10 , SFR13 for displaying “4DIV” on CRT. (SFR10 : + DIV from horizontal graticule center for up-side of waveform , SFR13 : - DIV from

horizontal graticule center for down-side of waveform.

2-4-4. SINE WAVE DISTORTION ADJUST

EQUIPMENT

Distortion Analyzer

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- Function ; SINE WAVE ( )

- ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; Max.

- FREQUENCY ; 10kHz

2. Connect Distortion analyzer to Output terminal.

3. Adjust SFR8, SFR11, SFR12 for minimum distortion reading on Distortion analyzer.

(less than 0.5 %)

12

Page 13: 8210-Service Manual(070525)

2-4-5. AMPLITUDE CONTROL AND ATTENUATOR CHECK

EQUIPMENT

Oscilloscope

AC Millivoltmeter

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω

PROCEDURE

1. Set this product as follows ;

- Function ; SINE WAVE ( )

- ATT ; 0 dB(PULL OUT))

13

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the oscilloscope through FEEDTHROUGH TERMINATION 50 Ω

to output terminal.

3. Set Amplitude Control to Min. position and check the output level is lower than

1Vp-p(less 5div in 200mV/div).

4. Set Amplitude Control to Max. position and check the output level is higher than

10Vp-p(higher than 4div in 5V/div).

5. Set Amplitude Control to Min. position and connect AC Millivoltmeter to output

terminal.

6. Set the Range of AC millivoltmeter to 3V range and adjust Amplitude control for

0dB reading on AC millivoltmeter.

7. Push in “20dB ATT switch” and check the reading of AC Millivoltmeter is -20 dB. 8. Check the amplitude of TRIANGLE & SQUARE WAVE same as paragraph 3 to 7.

2-5. FREQUENCY RANGE ADJUSTMENT

EQUIPMENT

Frequency Counter

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω

PROCEDURE

1. Set this product as follows;

- Function ; TRIANGLE WAVE ( )

- ATT ; 20 dB(PULL OUT)

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

Page 14: 8210-Service Manual(070525)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the Frequency Counter to Output Terminal.

2. Set Frequency Range to “1M” and Frequency Control(Dial) to MAX. Position. 3. Adjust SFR1 for 10.500 MHz frequency reading on counter.

4. Change Frequency Range to “100k” and adjust SFR2 for 1.0500 MHz frequency reading on counter.

5. Change Frequency Range to “10k” and adjust SFR3 for 105.00 kHz frequency reading on counter.

6. Change Frequency Range to “1k” and adjust SFR4 for 10.50 kHz frequency reading on counter.

7. Change Frequency Range to “100” and adjust SFR5 for 1.050 kHz frequency reading on counter.

8. Change the frequency range to 10 and 1, and check the frequency reading

in each range. (10 : 105.00 Hz , 1 : 10.500Hz)

9. After adjustment, check the frequency Control(Dial) at MIN. and MAX.

as following table.

8210 setting Tolerance

Range Frequency Control 1M MIN.

MAX. Less than 100.0 kHz Higher than 10.5 MHz

100k MIN. MAX.

Less than 10.0 kHz Higher than 1.05 MHz

10k MIN. MAX.

Less than 1.0 kHz Higher than 100.5 kHz

1k MIN. MAX.

Less than 100 Hz Higher than 10.5 kHz

100 MIN. MAX.

Less than 10.0 Hz Higher than 1.0 kHz

10 MIN. MAX.

Less than 1 Hz Higher than 100 Hz

1 MIN. MAX.

Less than 100 mHz Higher than 10 Hz

2-6. SYMMETRY ADJUST

EQUIPMENT

Oscilloscope

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- Function ; SQUARE ( ) 14

Page 15: 8210-Service Manual(070525)

- ATT ; 0 dB(PULL OUT)

- AMPLITUDE ; CENTER

- COUNT ; INT(PULL OUT)

- DC OFFSET ; OFF(PUSH IN)

- SYM ; OFF(PUSH IN)

- SWEEP ; OFF(PUSH IN)

2. Connect the oscilloscope to output terminal.

3. Set the output frequency to 100kHz.

4. Pull out SYM Control and adjust to Min. position. And adjust SFR6 the

symmetry(duty ratio) is “lower than 1:10”. 5. Adjust SYM Control to Max. position and adjust SFR7 the symmetry(duty ratio)

is”higher than 10:1”.

2-7. FREQUENCY COUNTER ADJUST

EQUIPMENT

10MHz Standard Signal Source

Signal Generator up to 110MHz

BNC CABLE

FEEDTHROUGH TERMINATION 50 Ω (if necessary)

PROCEDURE

1. Set this product as follows;

- COUNT ; EXT(PUSH IN)

2. Connect 10MHz Standard Signal to the EXT COUNT IN terminal and adjust TC1 for

10.0000 MHz reading on Counter Display.

3. Set Signal generator to 110MHz, 100mVrms and connect the EXT COUNT IN terminal.

4. Adjust SFR16 (Shield Box IN) for 110.0000 MHz reading on Counter Display.

Reduce the output level of Signal Generator Slowly and adjust SFR16 for Minimum

input sensitivity(as possible as less than 100mVrms).

5. Change the out frequency of Signal Generator from 110MHz to 200mHz and check

the minimum input voltage is less than 100mVrms.

6. Push in LPF(Low Pass Filter) and check the LPF is working (-3dB +/-0.2dB point

at approx. 120kHz).

< Check procedure >

a. Apply 120KHz signal with minimum input level into EXT COUNT IN.

b. Push in LPF switch and check gate time(Frequency display) is stopped.

15

c. Increase input level and check the gate time(Frequency display) is starting to

and check the input level is increased about 3dB(+/-0.2dB) from “minimum input level”.

Page 16: 8210-Service Manual(070525)

3. Troubleshooting Procedure

3-1. Troubleshooting techniques

3-1-1. Check the function selector and switch setting. Incorrect switch settings can

give a false indication of instrument malfunction. If there is any question

about the correct function or operation, refer to OPERATOR'S MANUAL.

3-1-2. Check associated equipments before proceeding, ensure that any equipments used

with this product is operating correctly and verify that out and input signals

are properly connected and that the interconnecting cables are not defective.

3-1-3. Visual Check

Look for broken terminals, damaged components, mounting status of components,

damaged circuit boards, or other clues to the cause of a malfunction.

3-2. Troubleshooting procedure

3-2-1. NO Display

1. Check the “FUSE” and if it is broken, change to new one with same rating. 2. Check the output voltage of power transformer.

-. 17 to 18 Vac between pin 1 and 2 of CN14, and between pin 2 and 3 of CN14

on main board.

-. 8 to 10 Vac between pin 1 and 2 of CN4,CN24, and between pin 2 and 3 of

CN4,CN24 on main board.

3. Check the DC Power Voltage.

-. +5VDC at U6 and U15 output(U6,15 Assembled at rear panel)

4. Check the frequency at pin 19 of U12. It should be “10MHz”. 5. Check the connector cable from CN12’,CN13’(main board) to display board.

3-2-2. Triangle Wave Out-put

1. Check the Function switch operation and select Triangle Wave.

2. Check the DC Power Voltage for Generator Circuit.

-. +15VDC at U5 output

-. +5VDC at U6,U15,U20 output ( U6,15 :assembled at rear panel)

-. -5VDC at Anode of ZD1.

-. -15VDC at U7 output

-. +21VDC at upper leg of R68

3. Check the waveform at Q7 Emitter. The Triangle Wave should be appeared.

4. If not, check the operation of Amplifier and Triangle oscillator (U1 A/B/D, U2 A/B,

Q1,Q2,Q3,Q4,Q5,Q6,D1,D2,D3,D5,Q7). 16

Page 17: 8210-Service Manual(070525)

5. Check the Range Selector Switch operation and Frequency Control Volume and Cable

connection from VR1 to CN2(Main Board).

6. Check the “Amplitude VR4” and Cable connection from VR to CN5 on main board. 7. Check the waveform at R46. The Triangle Wave should be appeared.

8. If not, check the operation of Differential Amplifier(Q12,Q13,Q14,Q15,Q16).

9. Check the Attenuator switch(20 dB) and cable connection from CN7 to Output terminal.

3-2-3. Square Wave Out-put

1. Check the Function switch operation and select Square Wave.

2. Check the waveform at D1(of DD1) Cathode. The Triangle Wave should be appeared.

3. Check the waveform at D2(of DD1) Cathode. The Square Wave should be appeared.

4. If not, check the step 3-2-2. 4 and 5.

5. Check the waveform at 9pin of U3. The Square Wave should be appeared.

6. If not, check the operation of U3.

6. Check the waveform at R45. The Square Wave should be appeared.

7. If not, check the step 3-2-2. 8 and 9.

3-2-4. Sine Wave Out-put

1. Check the Function switch operation and select Sine Wave.

2. Check the waveform at Q7 Emitter. The Triangle Wave should be appeared.

3. If not, check the step 3-2-2. 4 and 5.

4. Check the waveform at Q11 Collector. The Sine Wave should be appeared.

5. If not, check the operation of Sine Shaper(Q8,Q9,Q10,Q11).

6. Check the waveform at R45. The Sine Wave should be appeared.

7. If not, check the step 3-2-2. 8 and 9.

3-2-5. TTL Output

1. Check the connection of cable for TTL Output terminal and Control Volume.

2. Check the waveform at Pin 9 of U3. The Square Wave should be appeared.

3. If not, check the step 3-2-3.

4. Check the waveform at pin 6 of U4. The TTL Level Square Wave should be appeared.

5. If not, check the operation of U4.

3-2-6. Sweep Operation(Width and Rate)

1. Check the cable connection(CN8,CN9) for Width and Rate Control Volume.

2. Vary the Width volumeand check the level of Pulse at pin 7 of U2 is varied.

3. Vary the Rate volume and check the period of Pulse at pin 14 of U2 is varied.

4. If not, check the operation of U2 C/D , D9 and Q17.

17

Page 18: 8210-Service Manual(070525)

3-2-7. Frequency Range and Frequency Dial

1. Check the cable connection from CN2(Main Board) to Frequency Control Volume.

2. Check the operation of Range selector switch(Key Switch operation).

3-2-8. Attenuator(20dB)

1. Check the operation of each Attenuator switch.

2. If not working, check the R146,147,148

3-2-9. Frequency Counter(INT/EXT)

1. Check the INT/EXT selector switch operation and set to INT.

2. Check the output frequency at Output terminal by using Frequency counter and check

the frequency at R83 is same with output frequency.

3. Check the frequency of reference signal at pin18 and 19 of U12.

It should be “10.000MHz”. 4. If not, check Reference Oscillator(X1,T1,C54,).

5. Check the frequency at pin3 of U9 and pin 7of U18.

It should be same as output frequency.

6. If not, check the operation of Input Amplifier and Devider(Q18,Q19,U8,Q20,Q21,U18).

7. Check the cable connection between CN12(main board) and CN13(Display Board).

8. Check the operation of Counter Circuit, Micro-processor(U12), Driver(U4,5),

Scanner(U10,11)

9. Check the operation of Display Controller(U13,U14,Q22-28) on Display Board.

10. Check LPF function as follows;

a. Check the status of LPF S/W(push in)

b. Check the voltage at the left leg of R108. It should be around +5V.

c. Check the voltage at the anode of D16. It should be around 1.4-1.5V.

18

d. Check the voltage at cathode of D16. It should be around on 0.7-0.8V.

Page 19: 8210-Service Manual(070525)

4. PARTS LIST 4-1.. Main PCB Parts List

Part Name Specification q"ty Referance.

CER.CAPACITOR 0.01uF50V(10nF) 2.00 C100,101

CER.CAPACITOR.SMD 3pF 1.00 C72

CER.CAPACITOR.SMD 15pF50V 1.00 C9

CER.CAPACITOR.SMD 22pF50V 1.00 C87

CER.CAPACITOR.SMD 30pF50V 2.00 C54,C84

CER.CAPACITOR.SMD 33pF50V 1.00 C82

CER.CAPACITOR.SMD 50pF50V 2.00 C01,C02

CER.CAPACITOR.SMD 0.01uF50V(10nF) 12.00 C2,8,15,29,31,33,34,39,45,47,90,91

CER.CAPACITOR.SMD 0.1uF50V(100nF) 25.00 C17-19,49-53,56,59,61,67-71,74-76,78,80,81,94,202

CER.CAPACITOR.SMD 130pF50V 3.00 C10,38,41

CER.CAPACITOR.SMD 150pF50V 2.00 C13,66

CER.CAPACITOR.SMD 1.5pF50V 1.00 C73

CER.CAPACITOR.SMD 470pF50V 1.00 C44

CER.CAPACITOR.SMD 4700pF50V(4.7nF) 2.00 C85,86

TRIMMER CAPACITOR CTC05F500,50pF/2READ 1.00 T1

MICA CAPACITOR 33pF/63V 1.00 C3

MICA CAPACITOR 680pF/63V 1.00 C4

M/F.CAPACITOR 0.47uF250V 1.00 C37

M/F CAPACITOR(BOX) 0.0068uF/63V(6.8nF) 1.00 C5

M/F CAPACITOR(BOX) 0.068uF/63V(68nF) 1.00 C6

M/F CAPACITOR(BOX) 0.68uF63V(680nF) 1.00 C7

MYLER CAPACITOR 0.22uF100V(220nF) 1.00 C36

ELEC.CAPACITOR 10uF35V 1.00 C55

ELEC.CAPACITOR 22uF16V 10.00 C1,12,14,22,23,25,28,30,32,35

ELEC.CAPACITOR 47uF35V 6.00 C27,40,42,43,46,48

ELEC.CAPACITOR 100uF25V 2.00 C77,79

ELEC.CAPACITOR 1000uF35V 2.00 C21,24

ELEC.CAPACITOR 220uF35V 1.00 C20

ELEC.CAPACITOR 2200uF35V 1.00 C58

ELEC.CAPACITOR 470uF25V 3.00 C60,200,201

SWITCHING DIODE.SMD 1N4148 13.00 D3-11,14,15,16,17

SWITCHING DIODE.SMD HSMS-2825-TR1 1.00 D1-1

19

Page 20: 8210-Service Manual(070525)

Part Name Specification q"ty Referance.

C/F. RESISTOR.SMD 22J, 1/8W 3.00 28,47,102

C/F. RESISTOR.SMD 220J, 1/8W 3.00 4,29,118

C/F. RESISTOR.SMD 2.2KJ, 1/8W 4.00 9,10,90,91

C/F. RESISTOR.SMD 22KJ, 1/8W 1.00 89

C/F. RESISTOR.SMD 240J, 1/8W 1.00 147

C/F. RESISTOR.SMD 270J, 1/8W 1.00 41

C/F. RESISTOR.SMD 2.7KJ, 1/8W 1.00 11

C/F. RESISTOR.SMD 300J, 1/8W 1.00 39

C/F. RESISTOR.SMD 33J, 1/8W 3.00 27,72,170

C/F. RESISTOR.SMD 330J, 1/8W 4.00 34,95,98,99

C/F. RESISTOR.SMD 33KJ, 1/8W 1.00 40

C/F. RESISTOR.SMD 39KJ, 1/8W 1.00 71

C/F. RESISTOR.SMD 470J, 1/8W 7.00 93,94,96,97,100,101,108

C/F. RESISTOR.SMD 4.7KJ, 1/8W 1.00 30

C/F. RESISTOR.SMD 51J, 1/8W 1.00 114

C/F. RESISTOR.SMD 510J, 1/8W 4.00 86,87,R01,R02

C/F. RESISTOR.SMD 5.1KJ, 1/8W 3.00 74,75,76

C/F. RESISTOR.SMD 62J, 1/8W 2.00 146,148

C/F. RESISTOR.SMD 7.5KJ, 1/8W 2.00 7,73

C/F. RESISTOR.SMD 8.2KJ, 1/8W 1.00 104

SEMI-FIXED RESISTOR VZ067TH1, 100B 1.00 SFR11

SEMI-FIXED RESISTOR VZ067TH1, 1KB 2.00 SFR10,13

SEMI-FIXED RESISTOR VZ067TH1, 10KB 8.00 SFR1,2,3,4,5,6,7,16

SEMI-FIXED RESISTOR VZ067TH1, 100KB 2.00 SFR12,15

SEMI-FIXED RESISTOR VZ067TH1, 2KB 1.00 SFR8

M/F. RESISTOR.SMD 1KF, 1/8W 4.00 21,35,37,38

M/F. RESISTOR.SMD 100KF, 1/8W 1.00 117

M/F. RESISTOR.SMD 11KF, 1/8W 2.00 23,25

M/F. RESISTOR.SMD 120F, 1/8W 1.00 136

M/F. RESISTOR.SMD 1.21KF, 1/8W 2.00 12,16 (1.2K,F)

M/F. RESISTOR.SMD 121KF,1/8W 2.00 R13,17

M/F. RESISTOR.SMD 1.5KF, 1/8W 1.00 133

M/F. RESISTOR.SMD 21.5F, 1/8W 2.00 137,139 (22,F)

M/F. RESISTOR,SMD 2.2KF, 1/8W 1.00 135

M/F. RESISTOR.SMD 249F, 1/8W 1.00 R115 (243,F)

20

Page 21: 8210-Service Manual(070525)

Part Name Specification q"ty Referance.

M/F. RESISTOR.SMD 24.9KF, 1/8W 1.00 129 (24.3K,F)

M/F. RESISTOR.SMD 3.32KF, 1/8W 1.00 119 (3.4K,F)

M/F. RESISTOR.SMD 42.2F, 1/8W 1.00 120

M/F. RESISTOR.SMD 430F, 1/8W 2.00 22,24

M/F. RESISTOR.SMD 4.99KF, 1/8W 1.00 132

M/F. RESISTOR.SMD 56.2F, 1/8W 1.00 138 (56,F)

M/F. RESISTOR.SMD 576F, 1/8W 1.00 121

M/F. RESISTOR.SMD 825 1/8W F 2.00 127,130

M/F. RESISTOR 900F, 1/4W 1.00 32

OXIDE FILM RESISTOR 560J, 1W 1.00 66

KEY SWITCH SPUN90X1CO21 1.00

KEY SWITCH SPUN40X1C041 1.00

POWER SWITCH JPP2295MPACS72 1.00 P-S/W1

I.C.(TI) SN75107AN 1.00 U3

I.C.SMD BA10324AF 2.00 U1,2 Rohm

I.C.(SAM.MOTO.NS.) MC7805 1.00 U20

I.C.(SAM.MOTO) MC7815 1.00 U5

I.C.(SAM.MOTO) MC7915 1.00 U7

I.C.(MOTO.) MC10116 1.00 U8

I.C.(HAR.RCA) CA3096AE 1.00 U17

I.C.SMD(SIG) SN7400/SN74S00 1.00 U4

I.C(NS) 74F191N 1.00 U18

I.C.SMD(NS.HIT.PHI.) SN74HC393 2.00 U10,11

I.C.SMD(NS.HIT.SGS.) SN74HC138 1.00 U14

I.C.(TOSHIBA) TD62783AP 1.00 U13

I.C.(AMD) GAL16V8 1.00 U9

WIRE ASS'Y(1365#30) IN PUT CABLE,250mm 1.00

CRYSTAL 10.0000MHz(HC-49/U) 1.00 10M 20PPM .

MAIN PCB 8210-M12 1.00

SHIELD CASE Zn-pl 0.3t 104x40x18 1.00

NUT M3, NI-PL 1.00 U15 Ass'y

SCREW, MACHINE M3x8BH, NI-PL 1.00 U15 Ass'y

SCREW, TAPPING T3x6BH,ZN-PL 3.00 U37,15,20

SPRING, COIL 6x2x7(SHIELD 용) 0.00 MAIN PCB GND

HEAT SINK TR 용,내경 8.3,외경 16 2.00 Q16,29 Ass'y

HEAT SINK 78SERIES 용(ㄷ자모양) 2.00 U7,15 Assy'

HEAT SINK 8210 ㄷ자 17x9x19 1.00 U20 Ass'y

21

Page 22: 8210-Service Manual(070525)

4-2.. Display PCB Parts List

Part Name Specification Q'ty Referance

WAFER 8pin,YW02508,연호 2.00 CN12,13

FND(hp) HDSP-H513#001 1.00 FND(SINGLE )

FND(hp) HDSP-K513#001 3.00 FND1,2,3

LED BL-R2130A-T(5x5X10) 5.00 LED 1-5

DISPLAY PCB(80SER.) 8210-DIS-01 1.00 4-3.. VR PCB Parts List

Part Name Specification Q'ty Referance

WAFER 3pin,YW02503,연호 5.00 CN8(WIDTH),CN9(RATE),CN2(FREQ),CN5(AMP),CN6(OFFSET)

WAFER 4pin,YW02504,연호 1.00 CN3(SYM)

VARIABLE RESISTOR V16L4(7x5)S15KCB10K 1.00 VR5(WIDTH),

VARIABLE RESISTOR V16L4(7x5)S15KCB5K 1.00 VR4(OFFSET)

VARIABLE RESISTOR V16L4(7x5)S15KCB50K 1.00 VR2(SYM)

VARIABLE RESISTOR V16L4N15KCB10K 2.00 VR6(RATE),VR1(FREQ),

VARIABLE RESISTOR V16L4N15KCB500 1.00 VR3(AMP)

VR PCB(80SER.) 8210-VR-02 1.00 4-4. Front Panel Assembly Parts.

Part Name Specification Q'ty Referance

BNC CONNECTOR BNC-RB-4CUTTING 4.00 OUTPUT,TTL SYNC, VCF, EXT COUNTER IN

WIRE ASS'Y( ) 2pin 150mm 1.00 VCF

WIRE ASS'Y( ) 2pin 220mm 2.00 TTL.OUTPUT

BRACKET, VR PCB BN-LGP,160x25x30 1.00

BRACKET, BNC BN(80SER.)-AG/FG 1.00

FRONT PANEL, ABS BN(80SER-난연)-12965 1.00

KNOB, VR, ABS Pi10x13mm,DARK-GRAY 6.00

PLATE, FRONT, PC 8210DAG 1.00

ACRYLE FILTER 8210-DAG 1.00

NUT(VR) 6.00 VR

NUT(BNC,F) 4.00 BNC BRACKET

NUT M3, NI-PL 2.00 BNC BRACKET

SCREW, MACHINE M3x4BH,NI-PL 2.00 BNC BRACKET

SCREW, TAPPING T3x8BH, ZN-PL 5.00 VR PCB

WASHER, PLAIN 내경:3,외경:12/NI-PL 2.00 EXT COUNT IN BNC

WASHER,PLAIN(VR) 7.2x12x0.2t/NI-PL 6.00 VR

WASHER,LATCH(BNC) 9.5x13x0.5t/NI-PL 4.00 BNC

WASHER,PLAIN(BNC S.) 10x13x0.3t/NI-PL 4.00 BNC

DISPLAY PCB ASS'Y FG-8210/DAGA 1.00

VR PCB ASS'Y FG-8210/DAGA 1.00

22

Page 23: 8210-Service Manual(070525)

4-5. Rear Panel Assembly Parts.

Part Name Specification Q'ty Referance

FUSE(UL,VDE) 50F,250V200mA(20mm) 1.00 FUSE HOLDER IN

FUSE HOLDER R3-11,BN 1.00 REAR PANEL ASS'Y

EMI GASKET 71TS-FK10-R10-170-00 1.00 REAR PANEL ASS'Y

MOTOR FAN DC5V,0.5W (40x40) 1.00 REAR PANEL ASS'Y

GND CONNECTOR 1.00 REAR PANEL ASS'Y

AC INLET(SAM IL) NFU-101,NOISE FILTER 1.00 REAR PANEL ASS'Y

POWER TRANS FG-8210,8220 1.00 REAR PANEL ASS'Y

I.C.(SAM.MOTO.NS.) MC7805 2.00 REAR PANEL ASS'Y (U5,U15)

HEAT TUBE Pi5 x 15 mm 3.00 AC INLET,FUSE HOLDER

HEAT TUBE Pi 12 x 60 mm 1.00 FUSE HOLDER

WIRE ASS'Y(1015#22) GND WIRE,180mm,LUG 3.00 REAR PANEL ASS'Y

WIRE ASS'Y(1015#22) DIW,120mm,BLACK 1.00 AC IN-FUSE

WIRE ASS'Y(1015#22) 3pin 2Wire ,220mm 1.00

BRACKET, POWER

TRANS BN-DAG, 27x10.5,2T 2.00 TRANS

REAR PANEL PRESS BN-DAG,FG-8210 1.00

NUT(GND TERMINAL) INCH 2.00 GND CONNECTOR

NUT M3, NI-PL 8.00 TRANS,REGULATOR, FAN

SCREW, MACHINE M3x10BH,흑착색 2.00 NOISE FILTER (AC INLET)

SCREW,MACHINE M3x16BH 흑착색 2.00 FAN

SCREW, MACHINE M3x8BH-W, NI-PL 2.00 TRANS

WASHER, PLAIN 내경:3,외경:10/NI-PL 4.00 TRANS,AC INLET

WASHER, SPRING 내경:3,외경:5, ZN-PL 2.00 TRANS

WASHER, LATCH 4x6.5x0.3t 1.00 GND CONNECTOR

23

Page 24: 8210-Service Manual(070525)

4-6. Others.

Part Name Specification Q'ty Referance

I.C.(ATMEL) AT89C52 1.00 U12

CABLE TIE 100mm, WHITE 10.00

WIRE ASS'Y(#24) 3-3pin 150mm 6.00

WIRE ASS'Y(#24) 4-4pin 150mm 1.00

WIRE ASS'Y( ) 8-8pin 220mm 2.00

WIRE ASS'Y( ) 3-3pin 150mm 1.00

SHIELD CASE 8210 TOP 0.6t 210x202(156)x35 1.00 MOUNT POLE- TOP

SHIELD CASE 8K-BOT Znpl 0.6t 210x202x35 1.00 MONUT POLE-BOTTOM

BOTTOM CASE, ABS BN(80SER,난연)-12965 1.00

TOP CASE, ABS BN(80SER.난연)-12965 1.00

HANDLE, ABS BN(80SER.난연)-12965 1.00

RUBBER FOOT BN-DAG,37x8.5,대 2.00 BOTTOM CASE

RUBBER FOOT BN-DAG,32x8.5,소 2.00 TOP CASE

EMI GASKET 71TS-FK10-R10-170-00 1.00 BOTTOM SHIELD CASE ASS'Y

SHIELD PLATE BN-DAG, 248X163 0.00 SHIELD CASE BOTTOM

SPONGE PAD 20x40,5T,한쪽 테이프 6.00 MAIN PCB AC LINE PART

KNOB, POWER, ABS BN-DAG(80SER.) 1.00 POWER STICK

KNOB, PUSH S/W, ABS BN(80SER.)-12965 13.00 KEY S/W

SCREW, MACHINE M3x6BH,H5, NI-PL 0.00 SHIELD TOP + MOUNT POLE

SCREW, MACHINE M4x45BH, ZN-PL 4.00 TOP+BOTTOM CASE

SCREW, TAPPING T3x8BH, H6, NI-PL 3.00 PCB -BOTTOM CASE

MOUNTING POLE Pi3x50,육각 8210MAIN 1.00 MAIN PCB-SHIELD CASE

WASHER, SPRING 내경:3,외경:5, ZN-PL 1.00 SHIELD TOP + MOUNT POLE

EMI AIR VENT FILTER SUI40-24-125-45-13 2.00 TOP,BOTTOM SHIELD

FRONT PANEL ASS'Y FG-8210/DAGA 1.00

REAR PANEL ASS'Y FG-8210/DAGA 1.00

MAIN PCB ASS'Y FG-8210/DAGA 1.00

24

Page 25: 8210-Service Manual(070525)

4-7. Packing

Part Name Specification Q'ty Referance

FUSE(UL,VDE) 50F,250V200mA(20mm) 1.00 SPARE FUSE.

POWER CORD(230V) KKP-30,SVT3/18A"VDE" 1.00 "VDE"

CABLE ASS'Y( ) BNC TO CLIP( ) 1.00

STYROFOAM BOX BENCH, 300x150x65mm 2.00

SILICA GEL 3g 1.00

STICKER, S/N, 230V BN(80SER.),15W200mA 1.00 15w ,230V/200mA F

MANUAL(8210) FG8210, DAG 영문 1.00

INNER BOX (8000SER.) DAG-BN,340x310x165 1.00

CARTON BOX(무인쇄) BN,645x355x365 0.25 4CTN.(IN BOX -340x310x165)

VINYLE BAG 70x100mm,Zipper Type 1.00 SPARE FUSE.

VINYLE BAG 265x400mm 1.00 PRODUCT.

5. CIRCUIT DIAGRAM

- Refer to Attached File.

25

Page 26: 8210-Service Manual(070525)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

+5V(A)

+5VD

+5VD

U8AMC10116

5

42

3

11

R92150

SFR1610K

13

2

R902.2K

C44470P(C/C)

SW5EXT/INT SW

Q192N3906

R98330

C12103

R108470

C39103

BNC4EXT COUNT IN

1

2

SW6L.P.F

R100470

Q202N3906

C37474/250V

R912.2K

R96470

+ C4647/16

C0150P

R8922K

R01510

U8BMC10116

10

9

8

6

7

1/16

R94470

D171N4148

Q182N5486 1

3

2

D111N4148

+

C947/16V

D161N4148

R88150

Q212N3906

Title 8210 - 05Model COUNTER PREAMP CIRCUIT

Size A3Sheet 5 of 6

Rev 02Scale 2:1

Date 2002/04/13

Drawing Design Checked Approved

DAGATRON

C41130P

R93470

U1874LS191

151

109

1445

11

326713

12

ABCD

CLKGD/ULOAD

QAQBQCQD

RCO

MX/MN

R97470

R10222

C47103

U8CMC10116

13

12

15

14

R8310K

+C43

47/16V

R02510

R101470

+C40

47/16V

R86510

C0250P

C45103

R99330

C38130P

+C4847/16V

R85100K

R103120

C91103

R87510

C90103

D101N4148

R95330

06-R150#1

06-U9#306-U9#506-U9#4

COUNTER

Page 27: 8210-Service Manual(070525)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

mHZ

HZ

KHZ

MHZ

G.T

/CM0/CM1/CM2/CM3/CM4/CM5/CM6/CM7

/CO

0

/CM

0

/CM

1

/CO

1

/CM

2

/CO

2

/CM

3

/CO

3

/CM

4

/CO

4

/CM

5

/CO

5

/CM

6

/CO

6

/CM

7

/CO

7

/F4

/F6

/F8

/Se

/Sd

/Sc

/Sb

/Sa

/Se

/Sh

/Sc

/Sd

/Se

/Sh

/Sc

/Sd

/Sg

/Se

/Sh

/Sc

/Sd

/Se

/Sh

/Sc

/Sg

/Sd

/Se

/Sh

/Sc

/Sd

/Se

/Sh

/Sc

/Sg

/Sd

/Se

/Sh

/Sc

/Sd

/Se

/Sf

/Sg

/Sa

/Sb

/Sf

/Sa

/Sb

/Sf

/Sg

/Sa

/Sb

/Sf

/Sa

/Sb

/Sf

/Sg

/Sa

/Sb

/Sf

/Sa

/Sb

/Sf

/Sg

/Sa

/Sb

/F3

/F7

/F9

/F5

/Sa/Sb/Sc/Sd/Se/Sf/Sg/Sh

/h/g/f/e/d/c/b/a

/F3

/F4

/F5

/F6

/F7

/F8

/F9

/CO

0/C

O1

/CO

2/C

O3

/CO

4/C

O5

/CO

6/C

O7

+5V(D) +5V(D)

+5V(D)

+5V(D)

U1289C52

31

19

18

9

12

13

14

15

12345678

3938373635343332

21222324252627

28

1716

29 30

1110

EA/VP

X1

X2

RESET

INT0

INT1

T0

T1

P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7

P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7

P2.0P2.1P2.2P2.3P2.4P2.5P2.6

P2.7

RDWR

PSEN

ALE/

P

TXDRXD

8.8.FND1

SEGMENT

1 2 3 4 5 6 7 8 9101112131415161718C53

104

+ C5510/16V

8.8.FND2

SEGMENT

1 2 3 4 5 6 7 8 9101112131415161718

J3CN3

12345678

12345678

8.8.FND3

SEGMENT

1 2 3 4 5 6 7 8 9101112131415161718

R1048.2K

8.FND4

SEGMENT

1 2 3 4 5678910

R1501K

R11110

Q24A1015

Q28A1015

Q22A1015

U10A74LS393

1

2

3456

A

CLR

QAQBQCQD

R10810

R10510

U10B74LS393

13

12

111098

A

CLR

QAQBQCQD

U11A74LS393

1

2

3456

A

CLR

QAQBQCQD

J3'CN3'

12345678

U11B74LS393

13

12

111098

A

CLR

QAQBQCQD

D1

D2

U13TB62783

12345678 11

12131415161718I0

I1I2I3I4I5I6I7 O8

O7O6O5O4O3O2O1

D3

J13'CN13'

1 2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

R11210

Q25A1015

D4

U9PAL16R4

12345678911

1213141516171819

I0I1I2I3I4I5I6I7I8I9

F0F1F2F3F4F5F6F7

D5

Q32A1015

R10910

T120P

Q26A1015

Title 8210 - 06Model CPU CONTROL CIRCLESize A3Sheet 6 of 6

Rev 02Scale 2:1

Date 2002/04/13

Drawing Design Checked Approved

DAGATRON

R10610

R11010

Q23A1015

U1474LS138

123

645

15141312111097

ABC

G1G2AG2B

Y0Y1Y2Y3Y4Y5Y6Y7 Q30

C1815

J13CN13

12345678

C49104

C6430P

C50104

Q27A1015

R14910

C5756P

C51104

Y110MHZ

C52104

R10710

C56104

05-U18#1405-U18#705-U18#6

05-SW5#5

Page 28: 8210-Service Manual(070525)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Sweep Width

Frequency

Sweep Rate

-15V+15V

+15V

-15V

+15V

-15V

+15V

+21V

-5V

+ C2822/25V

D91N4148

BNC1VCF IN

1

2

VR510KB

13

2

R77.5K

J8CN8

123

SFR82.2KB

13

2

SFR110KB

13

2

VR610KB

13

2

SW1SWEEP WIDTH

18

3

C360.22uF(MYLER)

J1CN1

12

SFR210KB

13

2

J9CN9

123

SFR310KB

13

2

R11451

SFR410KB

13

2

+ C3222/16V

+ C3022/16V

SFR510KB

13

2

C304104

+

- U2BGL324

5

67

411

Q172N3906

R110K

R61K

R92.2K

R7710K

R102.2K

J3CN3

1234

R745.1K

R7139K

VR250KB

13

2

C20.22uF

R7233

R81K

R21K

+

- U1CGL324

10

98

411

R4220

+

-

U2DGL324

12

1314

SFR710KB

13

2

R31K

Q22N3904

D81N4148

SW2Symm

18

3

+

- U1BGL324

5

67

R737.5K

+ C3722/16

R755.1K

VR110KB

13

2

+

-U1AGL324

3

21

R300470

R701K

C310.01(C/C)

Title 8210 - 01Model FREQ/VCF IN CIRCUITSize A3Sheet 1 of 6

Rev 02Scale 2:1

Date 2002/3/30

Drawing Design Checked Approved

DAGATRON

Q12N3906

SFR610KB

13

2

R765.1K

+

-

U2CGL324

10

98

C330.01(C/C)

C290.01(C/C)

R112.7K

J2CN2

123

02-U30A#12

02-U30B#3

Page 29: 8210-Service Manual(070525)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-15V

+15V

+15V

+5V

-5V

Q162N2219

R126100

R115249

C150.01uF(CER)

R7410(1/2W)

R127825F

R1611K

C680.1(MON)

R41270

VR3AMP 500B

13

2

Q11C3198

R1341.5KF

D61N4148

J5CN5

123

J6CN6

123

C170.1(MON)

C670.1(MON)

C690.1(MON)

Q10C3198

C810.1(MON)

D51N4148

R13510(1/2W)

R12924.9KF

VR45K

13

2

R130825F

R1241K

Q9C3198

C780.1(MON)

+ C77100/25V

R131100

R1251K

Q8C1815

R1193.32KF

C800.1(MON)

C710.1(MON)

R361K

Q122N5771

R1324.99KF

U17CA3096

123

456

78

16

151413

121110

9

Q1BQ1EQ1C

Q2EQ2BQ2C

Q3EQ3B

SUB

Q5CQ5BQ5E

Q4CQ4BQ4E

Q3C

R6910

R144100(1/2W)

SW4DC OFFSET1 2

R34330

R14010(1/2W)

R118220

R145100(1/2W)

R431K

C721.5pF

SFR101KB

13

2

+C79100/25V

C82100P

R117100KF

R4033K

R1601K

C731.5pF

SFR11100B

13

2

C8722P

R1362.2KF

R1221.1K

SFR131KB

13

2

R381KF

SFR12100KB

13

2

R1231.21K

R351KF

+C35

22/16VC340.01

R13856.2F

R371KF

R128150

Q132N3904

C180.1(MON)

R12042.2F

D141N4148

D71N4148

C700.1(MON)

SFR15100K

13

2

SW3ATT

5

4

6 1

2

3

R147240

C66150P

BNC3OUTPUT

1

2

R14662

R136144F

R332K

R14862

R13921.5F

R14110(1/2W)

C190.1(MON)

C760.1(MON)

Q292N2905

C750.1(MON)

R11610K

R14210(1/2W)

R462K

R4722

C740.1(MON)

SW1SINE

R421K

Title 8210 - 03Model AMPLFIER CIRCUITSize A3Sheet 3 of 6

Rev 02Scale 2:1

Date 2002/04/13

Drawing Design Checked Approved

DAGATRON

Q142N3563

+C1422/10V

SW2TRIANGLE

R13721.5F

RG58

12

Q152N3906

R4410

R42220

SW3SQUARE

R121576

02-U4A#102-R32#1

02-R19#1

Page 30: 8210-Service Manual(070525)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

+21V

+15V

-15V

+5V

-5V

+5V(D)

D201N4003

F1NOISE FILTER

1

23

FANDC FAN

1 2

D221N4003

U57815

1 3

2

VIN VOUT

GN

D

J17CN17

12

J16CN16

123

+ C60470/16V

C202104

C203104

ST1SELECT

U67805

1 3

2

VIN VOUT

GN

D

SW8POWER S/W

1 3

2 4

R66560/1W

R6810/0.5W

J5'CN5'

123

+ C202200/35V

J16'CN16'

123

ZD15.1V

F2FUSE

+ C2322/16V

J4CN4

123

U157805

1 3

2

VIN VOUT

GN

D

T2TRANSFORMER POWER

11

87

56

4

321

910

C306104/1KV

C307104/1KV

J15'CN15'

123

J5CN5

123

U77915

2 3

1

VIN VOUT

GN

D

J14'CN14'

123

D121N4003

D131N4003

J14CN14

123

J15CN15

123

+ C582200/16V

+ C2522/16V

+ C2222/16V

+ C211000/35V

+ C2747/35V

+C201470/16V

C59104

+ C241000/35V

C61104

+ C200470/16V

J4'CN4'

123

- +

DB1DB06M1

4

3

2

Title 8210 - 04Model POWER SUPPLY CIRCUITSize A3Sheet 4 of 6

Rev 02Scale 2:1

Date 2002/04/13

Drawing Design Checked Approved

DAGATRON

U207805

1 3

2

VIN VOUT

GN

D

+5V(D)

-15V

+5V

+21V

+15V

-5V

Page 31: 8210-Service Manual(070525)

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Shield Box

TTL SYNC OUT

+15V

-5V

+5V

+5V

C30510n

+ C12100/10V

C668n(BOX)

BNC2OUTPUT

1

2

L2INDUCTOR AUDIO

R001???

D1-1HSMS2825

C86472

C333P

Q52N5486

1

3

2

D1-2HSMS2825

Q62N5486

1

3

2

Q43563

R161.2KF

C70.68n(BOX)

R17120KF

D31N4148

D41N4148

R121.2KF

R13120KF

Q72N3563

U4SN75107

12

5

1211

86

4

9

1413

1A1B

1G

2A2B

2GS

1Y

2YVCC

+VC

C-

R1810

R2311KF

R24430F

R24430

R2511KF

R1410K

R191.5K

C4680P(BOX)

L1INDUCTOR AUDIO

C8430P(C/C)

U4B74LS00

4

56

14

C85472

C80.01(C/C)

U4A74LS00

1

23

C10110n(C/C)

L3INDUCTOR AUDIO

R304.7K

+

- U30A072

3

21

R31240

R1510K

R322.2K

C13150P

R294.7K

Title 8210 - 02Model OSCILLATOR/TTL CIRCUITSize A3Sheet 2 of 6

Rev 02Scale 2:1

Date 2002/3/30

Drawing Design Checked Approved

DAGATRON

R201K

+

-

U30D072

12

1314

C915P(C/C)

Q35771

C56.8n(BOX)

R2822

C10130P

R2733

J10CN10

12

C10010n

R17033

R261K

R211KF

01-R11#1

01-CN3#1

03-SW3#2

03-SW3#6

03-R46#1