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S-14720XZ-C1 Apr. 2011 VHF MARINE TRANSCEIVER

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Page 1: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

S-14720XZ-C1Apr. 2011

VHF MARINE TRANSCEIVER

Page 2: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

This service manual describes the latest technical information for the IC-M23 and IC-M24 VHF MARINE TRANSCEIVER, at the time of publication.

NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than the specified voltage. This will ruin the transceiver.

DO NOT reverse the polarities of the power supply when connecting the transceiver.

DO NOT apply an RF signal of more than 20 dBm (100 mW) to the antenna connector. This could damage the transceiver’s front-end.

To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation.

MODEL VERSIONTRANSMIT

POWERSUPPLIEDCHARGER

IC-M24USA 5 W BC-199SA

EXP 5 W

BC-199SE

IC-M23

CHN 5 W

EUR-1 5 W

EUR 5 W

UK 5 W –

FRG 5 W (1 W)BC-199SE

HOL 5 W

AUS 5 W BC-199SV

Be sure to include the following four points when ordering replacement parts:

1. 10-digit Icom part number2. Component name3. Equipment model name and unit name4. Quantity required

<ORDER EXAMPLE> 1110003491 S.IC TA31136FNG IC-M23 MAIN UNIT 5 pieces

8820001210 Screw 2438 screw IC-M24 Top cover 10 pieces

Addresses are provided on the inside back cover for your convenience.

ORDERING PARTS

1. Make sure that the problem is internal before dis-assembling the transceiver.

2. DO NOT open the transceiver until the transceiver is disconnected from its power source.

3. DO NOT force any of the variable components. Turn them slowly and smoothly.

4. DO NOT short any circuits or electronic parts. An insulated tuning tool MUST be used for all adjustments.

5. DO NOT keep power ON for a long time when the transceiver is defective.

6. DO NOT transmit power into a Standard Signal Generator or a Sweep Generator.

7. ALWAYS connect a 30 dB to 40 dB attenuator between the transceiver and a Deviation Meter or Spectrum Analyzer, when using such test equipment.

8. READ the instructions of the test equipment throughly before connecting it to the transceiver.

REPAIR NOTES

INTRODUCTION

CAUTION

(IC-M24)

Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

Page 3: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

TABLE OF CONTENTS

SECTION 1 SPECIFICATIONS

SECTION 2 INSIDE VIEWS

SECTION 3 DISASSEMBLY INSTRUCTION

SECTION 4 CIRCUIT DESCRIPITON 4-1 RECEIVER CIRCUITS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4-2 TRANSMITTER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

4-3 FREQUENCY SYNTHESIZER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4-4 VOLTAGE DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

4-5 PORT ALLOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

5-2 FREQUENCY ADJUSTMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

5-3 RECEIVE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

5-3 TRANSMIT ADJUSTMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

SECTION 6 PARTS LIST

SECTION 7 MECHANICAL PARTS

SECTION 8 BOARD LAYOUTS

SECTION 9 BLOCK DIAGRAM

SECTION 10 VOLTAGE DIAGRAM

Page 4: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

1 - 1

SECTION 1. SPECIFICATIONS

M IC-M24 D GENERAL• Frequency coverage : Transmitting 156.025–157.425 MHz

Receiving 156.050–163.275 MHz• Mode : FM (16K0G3E)• Antenna impedance : 50 Ω (nominal)• Power supply requirement : BP-266 only (3.7 V DC nominal; negative ground)• Current drain (approximately) : TX (5 W/1.0 W) 2.3 A/0.9 A

Max. audio 0.35 A typical Power save 8 mA typical • Frequency stability : ±10 ppm• Operating temperature range : –20°C to +60°C; –4°F to +140°F• Dimensions : 58.5 (W) × 128.5(H) × 34.5(D) mm

(projections not included) 2.3 (W) × 5.6 (H) × 1.3 (D) inch• Weight : Approximately 260 g; 9.2 oz

(including battery pack, antenna and belt clip)

D TRANSMITTER• Output power : 5 W (approximately; High) and 1 W (Low)• Modulation system : Variable reactance frequency modulation• Maximum frequency deviation : ±5 kHz• Adjacent channel power : 70 dB• Spurious emissions : –68 dBc typical• Residual modulation : 40 dB• Audio frequency response : +1 dB to –3 dB of 6 dB oct. from 300–3000 Hz

D RECEIVER• Receive system : Double-conversion superheterodyne• Intermediate frequency : 1st 21.7 MHz, 2nd 450 kHz• Sensitivity (12 dB SINAD) : 0.25 µV typical• Squelch sensitivity : 0.35 µV typical (at threshold)• Intermodulation : 70 dB typical• Spurious response : 70 dB typical• Adjacent channel selectivity : 70 dB typical• Audio output impedance : 8 Ω• Audio output power : 0.6 W typical (at 10% distortion)

All stated specifi cations are subject to change without notice or obligation.

M IC-M23 D GENERAL• Frequency coverage : Transmitting 156.000–161.450 MHz

Receiving 156.000–163.425 MHz • Mode : FM (16K0G3E)• Antenna impedance : 50 Ω (nominal)• Power supply requirement : BP-266 only (3.7 V DC nominal; negative ground)• Current drain (approximately) : TX (5 W/1.0 W/0.5 W) 2.3 A/0.9 A/0.7 A

Maximum audio 0.35 A typical Power save 8 mA typical • Frequency stability : ±1.5 kHz• Operating temperature range : –15°C to +55°C• Dimensions : 58.5 (W) × 128.5(H) × 34.5(D) mm (Projections not included)• Weight : Approximately 260 g (including battery pack, antenna, belt clip)

D TRANSMITTER• Output power : 5 W (approx.; High)/1 W (Low)/0.5 W (E_Low)* * 1 W (High) and 0.5 W (Low) for German

version, depending on the pre-programmed setting

• Modulation system : Variable reactance frequency modulation• Maximum frequency deviation : ±5 kHz• Adjacent channel power : 70 dB• Spurious emissions : 0.25 µW• Audio harmonic distortion : 10% (at 60% deviation)• Residual modulation : 40 dB• Audio frequency response : +1 dB to –3 dB of 6 dB oct. from 300–3000 Hz

D RECEIVER• Receive system : Double-conversion superheterodyne• Intermediate frequency : 1st 21.7 MHz, 2nd 450 kHz• Sensitivity (20 dB SINAD) : –4 dBµ emf typical• Squelch sensitivity : –5 dBµ emf typical (at threshold)• Intermodulation : 68 dB• Hum and noise : 40 dB• Audio frequency response : +1 dB to –3 dB of –6 dB oct. from 300–3000 Hz• Spurious response : 70 dB• Adjacent channel selectivity : 70 dB• Audio output power (8 Ω) : 0.2 W (at 1 kHz, 10% distortion)

Page 5: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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SECTION 2. INSIDE VIEWS

• MAIN UNIT (TOP VIEW)

M3V LINE SW(Q225)

CHARGING CONTROLLER(IC601)

SPEAKER JACK(J251)

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2 - 2

VCO

• MAIN UNIT (BOTTOM VIEW)

PRE-DRIVE AMP(Q53)

IF DEMODULATOR IC(IC170)

AF POWER AMP(IC362)

AF LPF/LIMIT AMP/AF AMP(IC200)

NOISE AMP(IC365)

D/A CONVERTER(IC190)

TX POWER AMP(Q54)

TX POWER AMP(Q55)

REFERENCE FREQUENCY OSCILLATOR

(X1)

PLL IC(IC1)

EEPROM(IC340)

CPU CLOCK(X360)

DISCRIMINATOR(X170)

2ND IF FILTER(FI170)

1ST IF FILTER(FI151)

1ST IF FILTER(FI150)

CHARGING CONTROL SW(Q602)

5 V REGULATOR(IC602)

WET SENSING JACK(J602)

CPU(IC360)

3 V REGULATOR(IC220)

FLASHING LED(DS247)

Page 7: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

3 - 1

SECTION 3. DISASSEMBLY INSTRUCTION

1. REMOVING THE PCB1) Remove the battery pack from the transceiver.2) Remove the DC cap and antenna nut.3) Remove 6 screws from the rear panel.

2. REMOVING THE CHASSIS1) Unsolder 3 points shown.

4) CAREFULLY lift the rear panel up and unplug the wet sensor wire.

2) Remove 4 screws from the PCB, and then remove the CHASSIS.

5) Remove 6 screws from the PCB.

DC cap Antenna nut

6 screws

Rear panel

J602J602

Wet sensorwire

6 screws

J251Front panel

PCBSP cable

UNSOLDER

Solderremover

Chassis

4 screws

Chassis

PCB

6) CAREFULLY lift the PCB out of the front panel, and then turn it over in order to unplug the speaker wire.

(Continued on the right above.)

Page 8: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

4 - 1

SECTION 4. CIRCUIT DESCRIPTION

4-1 RECEIVER CIRCUITSRF CIRCUITSThe RF circuits consist of RF filters, antenna switch (ANT SW), RF amplifi er (RF AMP), etc., and extract and amplify the signal of frequency which is desired to receive.

• ANTENNA SWITCHING CIRCUITThe RF signal from the antenna is passed through the LPF (L81, L82, C83–C86, C89) and antenna SW (D52, D90, L90, C90, C91), and then applied to the RF AMP (Q90) through the 2-staged tuned BPF (D92, D93, L92, L93, C95, C97–C100, C117).

• RF AMPLIFIERThe filtered RX signal is amplified by the RF AMP (Q90) and passed through another 2-staged BPF (D130, D131, L96, L97, L110, L112–L115) to remove unwanted signals. The filtered signal is applied to the 1st mixer (Q150).

• 2ND IF AND DEMODULATOR CIRCUITSIC170 is an IF demodulate IC which contains the 2nd local oscillator, 2nd mixer, limiter and quadrature detector in its package.

The 21.25 MHz reference frequency signal from the PLL IC (IC1, pin 2) is applied to the IF demodulate IC (IC170, pin 2) as the 2nd LO signal, and then mixed with 21.7 MHz 1st IF signal from the 1st AMP (Q151). The resulting signal of 450 kHz 2nd IF signal is output from the pin 3 of IC170.

The 2nd IF signal is filtered by the external ceramic filter (FI170) to extract 450 kHz signal only, and then applied to the internal quadrature detector to be frequency-demodulated. The demodulated AF signals are output from the pin 9.

The quadrature detector is a frequency demodulator which uses a discriminator (X170) as a phase delayer, and provides demodulation without any adjustment.

SQUELCH CIRCUITA portion of AF signal from the IF demodulate IC is adjusted in level by the D/A converter (IC190), and then applied to the noise amplifer (IC170, R174–R176, C179, C180).

Only noise components (approximately 30 kHz signal) are amplified by the noise amplifier, and then rectified by the internal noise detector to be converted into DC voltage corresponding to noise level; the squelch voltage. The squelch voltage is output from the pin 14 of IC170, and then applied to the A/D port of the CPU (IC360, pin 33).

The CPU (IC360) compares input voltage and preset squelch level to control audio signals ON/OFF (emit/mute).

RX AF CIRCUITSThe demodulated AF signal from the IF demodulate IC (IC170, pin 9) is passed through the AF mute SW (IC260D) and LPF (IC365). The filtered AF signal is de-emphasized by R286 and C285 to obtain –6 dB/oct. of frequency response, and then applied to the D/A converter (IC190). The level-adjusted AF signal is amplified by the AF power amplifier (IC362), and then applied to the speaker (CHASSIS: SP1).

• RF CIRCUITS

• 2ND IF, DEMODULATOR AND RX AF CIRCUITS

• 1ST IF CIRCUITS

LPFANTSW

ANTENNA

BPFRFAMP

BPF BPFBPFTo 1st mixer

D131 D

TX CIRCUITS

92

D52

Q90D 93

D90

D130

T1CON

BPFIFAMP

21.7MHz

1st IF signal

FI150,Q151

To IF IC From RF AMP

1st LO signalsfrom VCO

Q150

FI151

X170

450KHz

BPF

LPF

LPF

AFAMP

X121.25MHz

AFMUTE

From 1st IF AMP

IC1

PLL IC

DE-ENPHA

IF IC

D/A IC

SPO

AFOUT

J250

IC170

FI170450KHz

IC190

IC362

IC365

VOLIN

VOL

BEEP

De-emphasis

R286, C285

SQLO

SQLI RSSI

NOISE LEVEL

21.25 MHz2ND LO signal

DET

Int. SP

Ext. SP

IC260D

DETMS

SP1

1ST IF, 2ND IF AND DEMODULATOR CIRCUITS• 1ST IF CIRCUITSThe RX signal is mixed with 1st LO signal at the 1st mixer (Q150), resulting in the 21.7 MHz 1st IF signal. The converted 1st IF signal is filtered by the crystal filters (FI150 and F151) to remove unwanted out-of-band signals.

The filtered 1st IF signal is amplified by the 1st IF AMP (Q151), and then applied to the IF demodulate IC (IC170, pin 16).

Page 9: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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4-2 TRANSMITTER CIRCUITSTX AF CIRCUITSAF signal from the microphone (MIC signals) is passed through the MIC mute SW (IC260A), amplifi ed by MIC AMP (IC200B), and then applied to the D/A converter (IC190), through another MIC mute SW (IC260C).

The level-adjusted MIC signal is pre-emphasized by R201 and C385 to obtain +6 dB/oct of frequency response, and then passed through the limiter (IC200A) to prevent over deviation. The amplitude-limited MIC signal is fi ltered by the splatter fi lter (IC200D) to remove 3 kHz and higher signals, and then applied to the VCO (Q21, Q22, D22) for frequency modulation.

TX AMPLIFIERSThe frequency-modulated signal from the VCO (Q21, Q22, D22) is passed through the buffers (Q23 and Q24) and LO SW (D50), and then sequentially amplified by the buffer AMP (Q50) and pre-drive AMP (Q53).

The amplifi ed signal is splitted by the power splitter (L100, L101, R463, C445, C446) and applied to the power AMPs (Q54 and Q55). The amplifi ed signals are combined at the power combiner (L107, L108, R465, C457, C458) to obtain the TX output power.

The amplified TX signal is passed through the ANT SW (D52) and LPF, and then applied to the antenna.

APC CIRCUITA portion of TX output signal is rectifi ed by D91 to produce the DC voltage which corresponds to the TX power level.

The APC AMP (IC50) compares the voltage and TX power setting voltage from the D/A converter (IC190). The resulting voltage from the APC AMP controls the gain of both driver AMP (Q53) and power AMPs (Q54 and Q55), to keep the TX output power stable.

• TX AF AND MODULATION CIRCUITS

To LO switchBUFFBUFF

LPF LIMITAMP

MICAMP

MICMUTE

MICMUTE

Q24Q23Q 21,Q22

MODMUTE

PREENPHA

D/A

VCO

Q20

IC190

IC200AIC200D

IC200B

MIC

D20D21

D22

INMIC

MOD

IC260A IC260C

MC250

LPFANTSW

ANTENNA

J1

PWRAMP

DRIVEPRELO

SW BUFFFrom VCO

APCCTRL

Receive circuits

D52Q53

Q54

PWRAMP

Q55

D50Q50

PWRDET

D91IC50

D90

PWRSPLITTER

PWRCOMBINER

Q357

PCON

• TX AMPLIFIERS AND APC CIRCUIT

Page 10: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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4-3 FREQUENCY SYNTHESIZER CIRCUITSVCOWhile transmitting, the oscillatinon frequency of VCO (Q21, Q22, D22) is determined by the value of D22, L22, C26 and C27, and the frequency modulation is carried out by adding modulation signal to D20.

The generated signal is passed through the buffers (Q23 and Q24), and then applied to the pre-drive AMP (Q53), through the LO SW (D50) and buffer (Q50).

While receiving, D21 is turned ON and C28 is connected to the GND to shift the oscillation frequency lower.

The generated signal is passed through the buffers (Q23 and Q24), and then applied to the 1st mixer (Q150), through the LO SW (D51).

PLLIC1 is a PLL IC which contains the prescaler, programmable counter, phase comparator and charge pump in its package.

The 21.25 MHz reference frequency signal is fed from X1.

The loop fi lter for the VCO is composed by R8, R10, R22, C11, C13 and C24.

4-4 VOLTAGE BLOCK DIAGRAM

LOSW

BPF

BUFFBUFF

BUFF

FILLOOP

X121.25MHz

1st mixer

D 50,D51Q24Q23

Q25

Q 21,Q22IC1

PLL IC

IF ICCPU

VCO

Q150

TX AMPs

IC170

IC360

PLLO

2ND LO

D22

PLL control signal

POWER CTRL

Q353VCCHV

R3VSW

Q221

R3V

T3VSW

Q222

T3V

3Vregulator

Q224, Q225

M3V: To the TX/RX common circuits

: To the RX circuits

: To CPU and EEPROM

: To the TX circuits

3Vregulator

IC220

CPU3V

CHASSIS

Batterypack

MAIN UNIT

• FREQUENCY SYNTHESIZER CIRCUITS

Page 11: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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4-5 PORT ALLOCATIONS• CPU (IC360)

• D/A CONVERTER (IC190)

PINNo.

LINE NAME

DESCRIPTION I/O

1 BEEP Beep audio (Squarewave). O

2 PS PLL power save mode control. O

3 TDECDecoded tone signal. (for monitoring purpose)

O

4 DASTB Strobe for the D/A converter. O

5 PLSTB Strobe for the PLL IC. O

10 SDATASerial data for the PLL IC and D/A converter.

O

11 SCKSerial clock to the PLL IC and D/A converter.

O

12 ESCK Serial clock for the EEPROM. O

13 ESDA Serial clock from/to the EEPROM. I/O

25 RES CPU reset. I

27 TEMPV Temparature sensing voltage. I

28 BTEMPV Battery temparature sensing voltage. I

29 LOINV Lock voltage from the PLL IC. I

30 TDETV TX power sensing voltage. I

31 BATTV Battery voltage. (Divided voltage) I

32 RSSIV RSSI voltage from the IF demodulate IC. I

33 NOISVNoise level sensing voltage from the IF demodulate IC.

I

34 DCV Input voltage detection. I

36 WDECV* Weather alart tone signal. I

38 ATIS** ATIS signal. O

51–72

SEG0-SEG21

LCD driver segment terminals. O

77 LEDS Backlight control. O

78 CRESET Charging control IC reset. O

79 LCDS LCD contrast control. O

80 MICMSMIC mute SW control.L=MIC mute.

O

81 ATXMIC control.H=While transmitting.

O

85 AFVSAF power AMP control.H=While the squelch is opened.

O

86 V3VS VCO power supply control. O

87 M3VS Main power supply control. O

88 LOWTX power control.H=The TX power is set to Low.

O

89 R3VSR3V line control.L= Whi le receiv ing. (RX ci rcui ts

activated)O

90 T3VST3V line control.L= While transmitting. (TX circuits

activated)O

97 PON Main power supply line control. O

98 DETMSRX AF line mute.L=Mute.

O

99 LEDI-RCharge status.L=While charging.Pulse=Charging error.

I

100 LEDI-GCharge status.L=When the battery is fully charged.

I

*: M24 only **: [FRG] and [HOL] only

PINNo.

LINE NAME

DESCRIPTION I/O

101 PTTMMIC mute control.L=MIC mute.

O

103 PTTIN[PTT] input.H=Pushed.

I

106 LOWTX power control.H=TX power is set to low.

O

107 TXMSTransmitting control.H=TX mute.

O

108 16/9[16/9] input. L=Pushed.

I

109 CH/WX[CH/WX] input.L=Pushed.

I

110 UP[Y] input.L=Pushed.

I

111 DOWN[Z] input. L=Pushed.

I

112 FAV[FAV] input.L=Pushed.

I

113 VOL/SQL[VOL/SQL] input.L=Pushed.

I

114 SCAN[SCAN] input.L=Pushed.

I

116 H/L[H/L] input.L=Pushed.

I

117 UNLKPLL un lock s igna l inpu t . (PLL malfunction detection)H=PLL unlocked.

I

119 PWSW[ ] input.H=Pushed.

I

PINNo.

LINE NAME

DESCRIPTION

1, 2 FCON Reference frequency adjustment voltage.

3, 4 PCON TX output power adjustment voltage.

9, 10 MODC Deviation adjustment.

11, 12 MSENS MIC signal level (MIC sensitivity) adjustment.

13, 14 VOLO AF output power adjustment.

15, 16 SQLO Squelch threshould level adjustment.

21, 22 T1CON BPF tuning voltage.

Page 12: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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SECTION 5. ADJUSTMENT PROCEDURE

¤ CONNECTION

EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE

Cloning software CS-M24/M23 ADJ (Revision 1.0 or later) Cables OPC-478UC and OPC-2091

RF power meter(50 Ω terminated)

Measuring range : 0.1–6 WFrequency range : 100–300 MHzSWR : Less than 1.2 : 1

Frequency counterFrequency range : 0.1–300 MHzFrequency accuracy : ±1 ppm or betterInput level : Less than 1 mW

Standard signal generator (SSG)

Frequency range : 0.1–300 MHzOutput level : –20 dBµ to 90 dBµ (–127 to –17 dBm)

¤ REQUIRED EQUIPMENTS5-1 PREPARATION

to the antenna connector

RF power meter0.1–6 W/50 Ω

Frequencycounter

Standard signal generator–20 to 90 dBµ

(–127 dBm to –17 dBm)

DO NOT transmit while an SSG is connected to the antenna connector.

To [DC]

PC

to USB port

OPC-478UC (USB type)

OPC-2091

Page 13: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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ADJUSTMENT CONDITION

REFERENCE FREQUENCY

TX OUTPUT POWER

RX SENSITIVITY

SQUELCH

¤ ADJUSTMENT UTILITY SCREEN

ADJUSTMENT TRANSCEIVER’SCONDITION OPERATION ADJUSTMENT

ITEM VALUE

PLL LOCK VOLTAGE VERIFICATION

1 • CH. : 16• Receiving

1) Connect an RF power meter to the antenna connector.

2) Click the [Update (F5)] button to check on the "I/O Check screen" as below.

[LVIN](On the "I/O

Check screen")

1.95–2.95 V

2 • CH. : 16• Transmitting

1.50–2.50 V

REFERENCEFREQUENCY

1 • CH. : 16• Transmitting

• Loosely couple a frequency counter to the antenna connector. [Ref. Freq.]

156.800000 MHz

(±500 Hz)

5-2 FREQUENCY ADJUSTMENTS1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, then push [ENTER].

• I/O Check screen

(The values shown above are exsample only. Each transceiver has own values.)

The Lock Voltage appears here

Page 14: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

5 - 3

ADJUSTMENT TRANSCEIVER’SCONDITION OPERATION ADJUSTMENT

ITEM VALUE

TX OUTPUT POWER(High)

1 • CH. : 16• Transmitting

• Connect an RF power meter to the antenna connector. [RF Power (High)]

4.5 W

(L_High)* 2 [RF Power (L_High)] 2.5 W

(Low) 3 [RF Power (Low)] 0.75 W

(E_Low)* 4 [RF Power (E_Low)] 0.45 W

*: For only [FRG] version.

5-4 TRANSMIT ADJUSTMENTS1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, then push [ENTER].

ADJUSTMENT TRANSCEIVER’SCONDITION OPERATION ADJUSTMENT

ITEM VALUE

RX SENSITIVITY 1 NOTE: When "RX SENSITIVITY" is re-adjusted, "SQUELCH" must be re-adjusted too.

• CH. : 16• Receiving

• Connect an SSG to the antenna connector and set it as;

Frequency : 156.800 MHz Level† : +30 dBµ (–77 dBm) Modulation : 1 kHz Deviation : ±3.0 kHz

[BPF]

Push [ENTER] on [BPF].(Automatic adjustment)

SQUELCH 1 NOTE: When "RX SENSITIVITY" must be adjusted before "SQUELCH." And when "RX SENSITIVITY" is re-adjusted, "SQUELCH" must be re-adjusted too.

• CH. : 16• Receiving

• Connect an SSG to the antenna connector and set it as;

Frequency : 156.800 MHz Level† : –4 dBµ (–111 dBm) [M24] and [AUS]

–3 dBµ (–110 dBm) [M23] except [AUS] Modulation : 1 kHz Deviation : ±3.0 kHz

[Noise]

Push [ENTER] on [Noise].(Automatic adjustment)

†; The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.

5-3 RECEIVE ADJUSTMENTS1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, then push [ENTER].

Page 15: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

6 - 1

SECTION 6. PARTS LIST

IC1 1130011671 S.IC MB15E03SLPFV1-G-ER-6E1 B 41.85/11.6IC50 1110006490 S.IC LMV321IDCKR T 96.7/19.9IC170 1110007320 S.IC NJM2591V-TE1-#ZZZB B 56.7/36.9IC190 1190001350 S.IC M62364FP 600D B 39.0/25.3IC200 1110006470 S.IC LMV324IPWR B 37.7/38.1IC220 1180003690 S.REG NJU7772F03-TE1-#ZZZB B 15.9/38.9IC260 1130011770 S.IC CD4066BPWR T 52.7/34.0IC340 1130015560 S.IC S-24C64CI-T8T1U3 B 25.0/7.3IC341 1110007790 S.IC NJU7704F03A-TE1-#ZZZB B 13.6/13.6IC360 1140015840 S.IC UPD780318GC-513-9EB-A (FX3340A) B 19.6/26.8IC362 1110007610 S.IC TPA0211DGNR B 76.0/32.8IC365 1110006740 S.IC LMV358IPWR B 56.1/29.9IC601 1190002270 S.IC NJW4100V-TE1-#ZZZB T 88.4/34.8IC602 1180003470 S.REG NJM2835DL1-05-TE1-#ZZZB B 95.5/36.7 Q3 1560000811 S.FET 2SK1069-4-TL-E B 33.3/5.1Q20 1590004070 S.TRA LDTC144EET1G <SLVJ> B 53.5/14.5Q21 1530004011 S.TRA KTC3770U-C-RTK/P B 61.2/15.0Q22 1530004011 S.TRA KTC3770U-C-RTK/P B 62.5/11.4Q23 1530002381 S.TRA 2SC4215-Y(TE85LF) B 58.3/20.2Q24 1530002381 S.TRA 2SC4215-Y(TE85LF) B 64.1/21.5Q25 1530002381 S.TRA 2SC4215-Y(TE85LF) B 52.5/22.0Q50 1530004011 S.TRA KTC3770U-C-RTK/P B 72.4/19.0Q53 1560001550 S.FET RD01MUS2-T113 B 72.5/13.3Q54 1560001700 S.FET RD07MUS2B-T112 B 82.6/9.1Q55 1560001700 S.FET RD07MUS2B-T112 B 82.6/17.6Q90 1580000751 S.FET 3SK294(TE85LF) B 96.2/24.1Q150 1580000731 S.FET 3SK293(TE85LF) B 88.1/25.6Q151 1530003890 S.TRA KTC3880S Y-RTK/P T 56.2/40.6Q221 1510001151 S.TRA L2SA1576AST1G <SLVJ> T 61.7/27.2Q222 1510001151 S.TRA L2SA1576AST1G <SLVJ> T 64.3/27.0Q224 1590003800 S.TRA KTC811U-GR-RTK/P T 67.1/27.9Q225 1520000840 S.TRA KTA1664Y-RTF/P T 72.9/28.2Q230 1550000090 S.FET RSQ035P03TR B 72.5/31.7Q231 1590003800 S.TRA KTC811U-GR-RTK/P B 71.5/27.4Q240 1590004230 S.TRA LMUN5213DW1T1G <SLVJ> B 20.5/37.1Q250 1590004070 S.TRA LDTC144EET1G <SLVJ> B 88.3/41.6Q350 1590004100 S.TRA LDTC144TET1G <SLVJ> B 6.5/15.7Q351 1590004050 S.TRA LDTA144EET1G <SLVJ> T 99.2/20.0Q353 1550000090 S.FET RSQ035P03TR T 63.8/35.2Q354 1590004070 S.TRA LDTC144EET1G <SLVJ> T 67.6/35.1Q357 1590004070 S.TRA LDTC144EET1G <SLVJ> T 91.3/19.8Q362 1590004070 S.TRA LDTC144EET1G <SLVJ> B 64.4/8.5Q363 1550000090 S.FET RSQ035P03TR T 96.6/36.1Q364 1550000170 S.FET 2SJ347(TE85LF) T 100.0/36.3Q365 1590004050 S.TRA LDTA144EET1G <SLVJ> T 76.1/15.3Q366 1590004070 S.TRA LDTC144EET1G <SLVJ> T 65.6/24.6Q602 1520000840 S.TRA KTA1664Y-RTF/P B 86.4/35.1Q603 1590004070 S.TRA LDTC144EET1G <SLVJ> T 81.5/36.7Q606 1550000090 S.FET RSQ035P03TR T 60.4/35.2Q608 1550000170 S.FET 2SJ347(TE85LF) B 4.9/23.5Q609 1590004100 S.TRA LDTC144TET1G <SLVJ> B 4.6/28.5 D1 1750000771 S.VAR HVC376BTRF-E B 34.0/16.8D3 1750001810 S.DIO L1SS400T1G <SLVJ> B 30.8/10.1D20 1790001261 S.DIO MA2S077G0L B 51.5/12.8D21 1790001261 S.DIO MA2S077G0L B 54.5/16.2D22 1750001780 S.VAR HVB350BYPTL-E B 61.9/7.6D50 1750001910 S.DIO HVD144AKRF-E B 70.0/23.6D51 1750001910 S.DIO HVD144AKRF-E B 81.0/24.0D52 1750000581 S.DIO 1SV307(TPH3F) B 101.0/12.0D90 1750001910 S.DIO HVD144AKRF-E B 99.1/18.1D91 1790001670 S.DIO RB706F-40T106 B 97.7/10.3D92 1750001190 S.VAR KDV214E RTK/P B 103.1/25.8D93 1750001190 S.VAR KDV214E RTK/P B 100.8/25.8D130 1750001190 S.VAR KDV214E RTK/P B 92.3/26.0D131 1750001190 S.VAR KDV214E RTK/P B 90.1/25.8D350 1750001180 S.DIO KDS122 RTK/P B 7.2/18.3D353 1750002170 S.DIO DB2S31400L B 99.9/20.2D355 1750001810 S.DIO L1SS400T1G <SLVJ> B 27.5/9.9D356 1750001810 S.DIO L1SS400T1G <SLVJ> B 75.1/28.4D357 1790001860 S.VAR EZJZ0V80010 T 65.6/39.9D358 1750001850 S.DIO LDAN222T1G <SLVJ> T 67.6/32.7D359 1750002110 S.DIO LRB551V-30T1G <SLVJ> T 97.2/32.7D360 1750002110 S.DIO LRB551V-30T1G <SLVJ> T 99.9/34.3D601 1750002110 S.DIO LRB551V-30T1G <SLVJ> T 99.9/38.2D603 1750002110 S.DIO LRB551V-30T1G <SLVJ> B 86.0/31.1D604 1730002870 S.ZEN LM3Z3V0T1G <SLVJ> B 7.7/23.9D609 1750001810 S.DIO L1SS400T1G <SLVJ> T 59.8/32.2D610 1750002110 S.DIO LRB551V-30T1G <SLVJ> T 78.8/27.3D612 1750001810 S.DIO L1SS400T1G <SLVJ> B 6.4/28.6 FI150 2030000350 MON 21R15AB (FL-368) FI151 2030000481 MON 21R15AB (FL-399A) FI170 2020002410 CER LTM450FW <JJE> X1 6050011740 S.XTA CR-766 TSS-6035B 21.250 MHz B 34.4/11.5X170 6070000310 S.DIS JTBM450CX70 <JJE> B 46.7/42.5X360 6050013200 S.XTA CR-911(HC49U/SM 4.9152 MHz <SKD> B 18.9/10.0 L1 6200009141 S.COI NLV25T-6R8J B 46.05/27.6

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)S.=Surface mount

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

L20 6200011021 S.COI ELJRF 82NJFB B 51.0/20.0L21 6200002861 S.COI NLV25T-4R7J B 51.5/9.2L22 6200009910 S.COI C6342A-88NG-A B 57.0/9.7L23 6200011031 S.COI ELJRF R10JFB B 60.3/19.6L24 6200011031 S.COI ELJRF R10JFB B 62.9/19.8L25 6200011031 S.COI ELJRF R10JFB B 54.3/20.4L26 6200007001 S.COI ELJRE 82NGFA B 83.7/24.5L50 6200011031 S.COI ELJRF R10JFB B 73.8/20.3L51 6200011021 S.COI ELJRF 82NJFB B 74.3/16.7L53 6200006981 S.COI ELJRE R10GFA B 71.4/9.2L55 6200012680 S.COI 0.30-1.3-5TL 20N <COMO> B 87.6/9.6L56 6200012390 S.COI 0.30-0.92-3TR 5.8N <COMO> B 87.1/6.5L57 6200012680 S.COI 0.30-1.3-5TL 20N <COMO> B 89.7/6.0L58 6200003711 S.COI NLV25T-2R7J B 98.6/14.4L80 6200012470 S.COI 0.30-1.7-7TL 45.3N <COMO> B 98.6/5.9L81 6200012770 S.COI 0.26-1.1-7TR 24N <COMO> B 102.3/8.6L82 6200012780 S.COI 0.30-1.4-6TL 27.2N <COMO> B 106.1/9.0L90 6200012470 S.COI 0.30-1.7-7TL 45.3N <COMO> B 101.8/16.4L92 6200007750 S.COI LQW2BHN56NJ03L B 102.3/21.7L93 6200007750 S.COI LQW2BHN56NJ03L B 99.7/22.5L96 6200007750 S.COI LQW2BHN56NJ03L B 94.0/26.6L97 6200007750 S.COI LQW2BHN56NJ03L B 91.4/23.0L98 6200003680 S.COI LQH31MNR82M03L B 84.6/28.6L99 6200011001 S.COI ELJRF 56NJFB B 73.7/9.2L100 6200010991 S.COI ELJRF 47NJFB B 77.5/12.8L101 6200010991 S.COI ELJRF 47NJFB B 77.5/13.7L102 6200007901 S.COI ELJRF 22NJFB B 78.7/10.0L103 6200007901 S.COI ELJRF 22NJFB B 78.7/16.4L104 6200012680 S.COI 0.30-1.3-5TL 20N <COMO> B 87.6/20.2L105 6200012390 S.COI 0.30-0.92-3TR 5.8N <COMO> B 87.0/17.2L106 6200012680 S.COI 0.30-1.3-5TL 20N <COMO> B 89.8/17.1L107 6200012470 S.COI 0.30-1.7-7TL 45.3N <COMO> B 93.1/9.5L108 6200012470 S.COI 0.30-1.7-7TL 45.3N <COMO> B 94.9/13.3 R1 7510001661 S.THR NTCG16 4LH 473JT B 37.3/16.8R2 7030012480 S.RES ERJ2RKF 1003X (100K) B 33.8/18.8R3 7030005050 S.RES ERJ2GEJ 103 X (10K) B 37.6/18.2R4 7030005240 S.RES ERJ2GEJ 473 X (47K) B 36.7/15.7R5 7030007280 S.RES ERJ2GEJ 331 X (330) B 37.5/8.5R6 7030005240 S.RES ERJ2GEJ 473 X (47K) B 49.5/13.4R7 7030005000 S.RES ERJ2GEJ 471 X (470) B 50.0/12.1R8 7030008370 S.RES ERJ2GEJ 561 X (560) B 40.7/6.4R10 7030008370 S.RES ERJ2GEJ 561 X (560) B 38.7/6.0R11 7030005000 S.RES ERJ2GEJ 471 X (470) B 31.5/6.0R12 7030005050 S.RES ERJ2GEJ 103 X (10K) B 35.2/5.6R13 7030005050 S.RES ERJ2GEJ 103 X (10K) B 31.5/4.2R20 7030004980 S.RES ERJ2GEJ 101 X (100) B 51.0/18.4R22 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 41.6/6.4R23 7030004990 S.RES ERJ2GEJ 221 X (220) B 52.7/12.6R24 7030005090 S.RES ERJ2GEJ 104 X (100K) B 53.1/18.2R25 7030005090 S.RES ERJ2GEJ 104 X (100K) B 52.7/16.5R26 7030005290 S.RES ERJ2GEJ 682 X (6.8K) B 63.1/16.2R27 7030005210 S.RES ERJ2GEJ 822 X (8.2K) B 63.5/13.2R28 7030004980 S.RES ERJ2GEJ 101 X (100) B 61.9/13.2R30 7030005070 S.RES ERJ2GEJ 683 X (68K) B 58.7/18.4R31 7030004990 S.RES ERJ2GEJ 221 X (220) B 60.8/18.4R32 7030007270 S.RES ERJ2GEJ 151 X (150) B 62.4/18.6R33 7030007350 S.RES ERJ2GEJ 393 X (39K) B 62.3/21.5R34 7030008280 S.RES ERJ2GEJ 271 X (270) B 55.8/18.8R35 7030007350 S.RES ERJ2GEJ 393 X (39K) B 55.3/20.4R36 7030005710 S.RES ERJ2GEJ 121 X (120) T 61.6/25.0R47 7030008410 S.RES ERJ2GEJ 392 X (3.9K) B 45.6/19.4R50 7030005120 S.RES ERJ2GEJ 102 X (1K) B 71.0/24.8R52 7030007290 S.RES ERJ2GEJ 222 X (2.2K) B 71.0/23.1R53 7030004980 S.RES ERJ2GEJ 101 X (100) B 71.9/23.6R54 7030005530 S.RES ERJ2GEJ 100 X (10) B 72.3/21.7R55 7030007300 S.RES ERJ2GEJ 332 X (3.3K) B 72.3/20.8R56 7030007570 S.RES ERJ2GEJ 122 X (1.2K) B 70.1/18.3R57 7030005590 S.RES ERJ2GEJ 680 X (68) B 70.1/19.3R65 7030005100 S.RES ERJ2GEJ 154 X (150K) T 94.3/21.3R66 7030005070 S.RES ERJ2GEJ 683 X (68K) T 93.8/20.1R67 7030005310 S.RES ERJ2GEJ 124 X (120K) T 96.2/17.8R68 7030004980 S.RES ERJ2GEJ 101 X (100) T 95.5/16.3R69 7030005050 S.RES ERJ2GEJ 103 X (10K) T 74.5/15.2R70 7030005100 S.RES ERJ2GEJ 154 X (150K) T 71.8/15.2R71 7030004980 S.RES ERJ2GEJ 101 X (100) B 72.9/16.3R73 7030005050 S.RES ERJ2GEJ 103 X (10K) T 77.5/11.3R74 7030005720 S.RES ERJ2GEJ 563 X (56K) T 77.5/9.5R75 7030004980 S.RES ERJ2GEJ 101 X (100) B 78.7/8.3R76 7030000260 S.RES MCR10EZHJ 100 (101) B 95.7/17.9R80 7030005080 S.RES ERJ2GEJ 823 X (82K) B 107.3/7.0R81 7030005090 S.RES ERJ2GEJ 104 X (100K) T 99.1/16.2R91 7030005110 S.RES ERJ2GEJ 224 X (220K) B 101.9/27.9R93 7030005050 S.RES ERJ2GEJ 103 X (10K) B 99.5/27.9R94 7030005110 S.RES ERJ2GEJ 224 X (220K) B 101.0/27.9R95 7030005310 S.RES ERJ2GEJ 124 X (120K) B 97.5/26.1R96 7030005700 S.RES ERJ2GEJ 274 X (270K) B 98.0/23.5R97 7030004990 S.RES ERJ2GEJ 221 X (220) B 95.8/25.9R103 7030005050 S.RES ERJ2GEJ 103 X (10K) B 98.4/26.1R104 7030005090 S.RES ERJ2GEJ 104 X (100K) B 93.8/22.1R105 7030005110 S.RES ERJ2GEJ 224 X (220K) B 92.2/28.1R107 7030005110 S.RES ERJ2GEJ 224 X (220K) B 91.2/28.1R109 7030005530 S.RES ERJ2GEJ 100 X (10) B 87.7/29.4R110 7030008400 S.RES ERJ2GEJ 182 X (1.8K) B 85.4/26.8R111 7030005090 S.RES ERJ2GEJ 104 X (100K) B 89.9/22.1R113 7030005530 S.RES ERJ2GEJ 100 X (10) B 98.6/27.9R115 7030006610 S.RES ERJ2GEJ 394 X (390K) B 86.3/25.2

Page 16: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

6 - 2

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

R120 7030007290 S.RES ERJ2GEJ 222 X (2.2K) B 82.0/24.9R121 7030005220 S.RES ERJ2GEJ 223 X (22K) B 86.1/24.0R122 7030005100 S.RES ERJ2GEJ 154 X (150K) B 88.7/23.6R152 7030005120 S.RES ERJ2GEJ 102 X (1K) B 80.4/34.5R153 7030005120 S.RES ERJ2GEJ 102 X (1K) T 62.6/40.7R154 7030005090 S.RES ERJ2GEJ 104 X (100K) T 58.4/40.5R155 7030007290 S.RES ERJ2GEJ 222 X (2.2K) T 58.5/39.2R156 7030005000 S.RES ERJ2GEJ 471 X (470) T 57.0/38.5R170 7030009280 S.RES ERJ2GEJ 391 X B 61.8/39.6R171 7030009140 S.RES ERJ2GEJ 272 X (2.7K) B 46.6/38.1R172 7030005000 S.RES ERJ2GEJ 471 X (470) B 53.6/33.6R173 7030005030 S.RES ERJ2GEJ 152 X (1.5K) B 61.0/37.7R174 7030005230 S.RES ERJ2GEJ 334 X (330K) B 61.0/35.1R175 7030005600 S.RES ERJ2GEJ 273 X (27K) B 62.8/34.3R176 7030005120 S.RES ERJ2GEJ 102 X (1K) B 62.8/35.9R192 7030009280 S.RES ERJ2GEJ 391 X T 54.4/25.4R193 7030005000 S.RES ERJ2GEJ 471 X (470) B 33.9/24.4R194 7030005090 S.RES ERJ2GEJ 104 X (100K) T 54.0/24.2R201 7030007290 S.RES ERJ2GEJ 222 X (2.2K) B 33.2/34.4R202 7030005090 S.RES ERJ2GEJ 104 X (100K) B 33.0/37.3R203 7030005110 S.RES ERJ2GEJ 224 X (220K) B 34.5/35.2R204 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 36.3/34.9R205 7030005210 S.RES ERJ2GEJ 822 X (8.2K) B 38.6/31.5R206 7030008290 S.RES ERJ2GEJ 183 X (18K) B 36.8/33.7R207 7030007350 S.RES ERJ2GEJ 393 X (39K) B 35.6/33.9R212 7030005030 S.RES ERJ2GEJ 152 X (1.5K) B 40.9/35.1R213 7030005090 S.RES ERJ2GEJ 104 X (100K) B 40.9/33.5R214 7030007340 S.RES ERJ2GEJ 153 X (15K) B 42.1/31.8R222 7030005240 S.RES ERJ2GEJ 473 X (47K) T 61.4/29.1R223 7030005050 S.RES ERJ2GEJ 103 X (10K) T 61.4/30.0R224 7030005240 S.RES ERJ2GEJ 473 X (47K) T 64.7/28.9R225 7030005050 S.RES ERJ2GEJ 103 X (10K) T 64.2/30.1R226 7030005040 S.RES ERJ2GEJ 472 X (4.7K) T 67.2/26.1R227 7030005050 S.RES ERJ2GEJ 103 X (10K) T 72.9/25.1R228 7030008300 S.RES ERJ2GEJ 184 X (180K) T 68.8/28.0R230 7030005230 S.RES ERJ2GEJ 334 X (330K) B 73.8/28.0R231 7030007280 S.RES ERJ2GEJ 331 X (330) B 73.8/28.9R235 7030010010 S.RES ERJ2RKF 334 X (330K) T 58.2/33.0R236 7030010020 S.RES ERJ2RKF 1503X (150K) T 56.2/29.8R240 7030004990 S.RES ERJ2GEJ 221 X (220) B 23.6/36.8R242 7410001270 S.ARR EXB28V821JX B 25.1/37.1R251 7030008280 S.RES ERJ2GEJ 271 X (270) B 84.7/43.5R252 7030005060 S.RES ERJ2GEJ 333 X (33K) B 84.9/41.7R253 7030007300 S.RES ERJ2GEJ 332 X (3.3K) B 36.4/43.6R255 7030005700 S.RES ERJ2GEJ 274 X (270K) B 36.4/41.4R256 7030008290 S.RES ERJ2GEJ 183 X (18K) B 33.4/38.9R257 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 34.5/40.8R258 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 34.5/42.0R260 7030005110 S.RES ERJ2GEJ 224 X (220K) B 31.6/38.5R261 7030005720 S.RES ERJ2GEJ 563 X (56K) B 32.5/38.5R262 7030005240 S.RES ERJ2GEJ 473 X (47K) B 31.5/36.9R263 7030008290 S.RES ERJ2GEJ 183 X (18K) B 51.6/32.4R264 7410001140 S.ARR EXB28V104JX T 51.0/39.1R270 7030005120 S.RES ERJ2GEJ 102 X (1K) B 86.8/42.9R271 7030011650 S.RES ERJ2GEJ 243X (24K) B 59.8/32.4R272 7030005310 S.RES ERJ2GEJ 124 X (120K) B 61.7/31.1R273 7030005220 S.RES ERJ2GEJ 223 X (22K) B 61.7/30.2R276 7030005220 S.RES ERJ2GEJ 223 X (22K) B 58.7/26.6R277 7030005090 S.RES ERJ2GEJ 104 X (100K) B 57.8/27.5R278 7030005120 S.RES ERJ2GEJ 102 X (1K) B 60.7/28.1R279 7030005030 S.RES ERJ2GEJ 152 X (1.5K) B 61.7/29.3R283 7030005090 S.RES ERJ2GEJ 104 X (100K) B 76.2/28.8R286 7030005050 S.RES ERJ2GEJ 103 X (10K) B 62.8/28.1R300 7030005290 S.RES ERJ2GEJ 682 X (6.8K) B 37.0/31.6R340 7030005090 S.RES ERJ2GEJ 104 X (100K) B 23.3/10.7R341 7030005050 S.RES ERJ2GEJ 103 X (10K) B 22.4/10.7R343 7030005050 S.RES ERJ2GEJ 103 X (10K) B 15.8/14.4R351 7030005120 S.RES ERJ2GEJ 102 X (1K) B 7.9/14.0R352 7030007340 S.RES ERJ2GEJ 153 X (15K) B 9.1/15.4R353 7030005120 S.RES ERJ2GEJ 102 X (1K) B 8.1/15.4R361 7410001130 S.ARR EXB28V102JX B 23.6/14.8R371 7030005170 S.RES ERJ2GEJ 474 X (470K) B 8.7/30.9R372 7030007310 S.RES ERJ2GEJ 155 X (1.5M) B 8.3/29.7R373 7030005160 S.RES ERJ2GEJ 105 X (1M) B 8.7/28.5R374 7030006610 S.RES ERJ2GEJ 394 X (390K) B 10.3/27.7R376 7030005090 S.RES ERJ2GEJ 104 X (100K) B 35.6/33.0R377 7030005080 S.RES ERJ2GEJ 823 X (82K) B 38.0/33.4R378 7030005080 S.RES ERJ2GEJ 823 X (82K) B 39.6/33.3R379 7030005080 S.RES ERJ2GEJ 823 X (82K) B 39.1/34.5R380 7030005050 S.RES ERJ2GEJ 103 X (10K) B 96.2/8.1R381 7030005050 S.RES ERJ2GEJ 103 X (10K) T 97.1/17.8R382 7030009140 S.RES ERJ2GEJ 272 X (2.7K) T 97.9/15.8R383 7030008010 S.RES ERJ2GEJ 123 X (12K) T 96.6/15.3R384 7030007290 S.RES ERJ2GEJ 222 X (2.2K) T 98.3/18.3R386 7030005050 S.RES ERJ2GEJ 103 X (10K) T 101.1/19.8R388 7030005170 S.RES ERJ2GEJ 474 X (470K) B 35.2/31.8R391 7030005240 S.RES ERJ2GEJ 473 X (47K) B 42.1/35.3R395 7030005090 S.RES ERJ2GEJ 104 X (100K) B 9.3/13.3R396 7030010040 S.RES ERJ2GEJ-JPW B 10.6/10.9R397 7030005700 S.RES ERJ2GEJ 274 X (270K) T 66.0/36.1R398 7030005050 S.RES ERJ2GEJ 103 X (10K) T 66.0/34.5R401 7030005090 S.RES ERJ2GEJ 104 X (100K) T 92.9/19.9R402 7030007350 S.RES ERJ2GEJ 393 X (39K) B 72.0/36.4R412 7030005050 S.RES ERJ2GEJ 103 X (10K) B 42.4/40.1R413 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 41.5/41.0R414 7030005050 S.RES ERJ2GEJ 103 X (10K) B 40.3/41.6R415 7030005240 S.RES ERJ2GEJ 473 X (47K) B 41.5/41.9R430 7030005700 S.RES ERJ2GEJ 274 X (270K) B 70.3/32.0R431 7030005120 S.RES ERJ2GEJ 102 X (1K) B 70.3/30.4R432 7030009140 S.RES ERJ2GEJ 272 X (2.7K) B 73.6/35.5R433 7030005090 S.RES ERJ2GEJ 104 X (100K) B 56.6/26.3R434 7030005080 S.RES ERJ2GEJ 823 X (82K) B 56.1/27.5R435 7030008010 S.RES ERJ2GEJ 123 X (12K) B 54.5/27.4R450 7030007280 S.RES ERJ2GEJ 331 X (330) B 69.2/26.6R451 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 71.0/29.2

M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)S.=Surface mount

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

R452 7030007290 S.RES ERJ2GEJ 222 X (2.2K) B 69.2/27.5R457 7030005050 S.RES ERJ2GEJ 103 X (10K) B 50.6/29.4R458 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 51.8/30.0R459 7030005040 S.RES ERJ2GEJ 472 X (4.7K) B 50.9/30.9R460 7030004980 S.RES ERJ2GEJ 101 X (100) B 37.5/14.6R461 7030004990 S.RES ERJ2GEJ 221 X (220) B 64.8/11.5R462 7030010040 S.RES ERJ2GEJ-JPW B 64.4/10.3R463 7030004980 S.RES ERJ2GEJ 101 X (100) B 79.6/13.2R464 7030004980 S.RES ERJ2GEJ 101 X (100) B 78.3/17.6R465 7030003320 S.RES ERJ3GEYJ 101 V (100) B 92.6/12.4R466 7030005050 S.RES ERJ2GEJ 103 X (10K) T 77.7/15.7R467 7030005720 S.RES ERJ2GEJ 563 X (56K) T 78.9/16.2R468 7030004990 S.RES ERJ2GEJ 221 X (220) B 22.7/36.8R469 7030005050 S.RES ERJ2GEJ 103 X (10K) T 75.1/17.2R471 7030010040 S.RES ERJ2GEJ-JPW T 57.4/27.7R475 7030005050 S.RES ERJ2GEJ 103 X (10K) T 98.6/32.7R476 7030005050 S.RES ERJ2GEJ 103 X (10K) T 100.7/32.7R477 7030005050 S.RES ERJ2GEJ 103 X (10K) T 94.9/17.2R478 7030005050 S.RES ERJ2GEJ 103 X (10K) B 87.4/44.1R602 7030011210 S.RES ERJ2GEJ 1R0 X (1) T 83.1/31.9R607 7030005000 S.RES ERJ2GEJ 471 X (470) T 92.7/34.7R608 7030005050 S.RES ERJ2GEJ 103 X (10K) T 92.7/36.3R609 7030005120 S.RES ERJ2GEJ 102 X (1K) T 93.1/33.5R610 7030011660 S.RES ERJ2RKF 1002 (10K) T 86.1/30.8R611 7030012490 S.RES ERJ2RKF 4701X (4.7K) T 84.9/30.7R627 7030007290 S.RES ERJ2GEJ 222 X (2.2K) B 87.2/39.1R628 7030011210 S.RES ERJ2GEJ 1R0 X (1) T 84.0/32.7R634 7030005050 S.RES ERJ2GEJ 103 X (10K) B 16.0/16.5R639 7030005050 S.RES ERJ2GEJ 103 X (10K) T 84.1/35.9R640 7030005050 S.RES ERJ2GEJ 103 X (10K) T 83.2/36.2R641 7030007290 S.RES ERJ2GEJ 222 X (2.2K) T 95.5/33.5R642 7030005000 S.RES ERJ2GEJ 471 X (470) T 95.5/31.9R647 7030005050 S.RES ERJ2GEJ 103 X (10K) T 60.9/32.6R648 7030010040 S.RES ERJ2GEJ-JPW T 83.8/34.3R649 7030010040 S.RES ERJ2GEJ-JPW B 14.8/17.4R650 7030005160 S.RES ERJ2GEJ 105 X (1M) B 4.8/21.9R651 7030005050 S.RES ERJ2GEJ 103 X (10K) B 5.5/21.0R652 7030004990 S.RES ERJ2GEJ 221 X (220) T 2.1/23.3 C2 4030016790 S.CER C1005 JB 1E 103K-T B 38.45/18.2C3 4030017440 S.CER C1005 CH 1H 221J-T B 35.5/15.7C4 4030017620 S.CER C1005 CH 1H 100C-T B 34.3/15.5C5 4030017640 S.CER C1005 CH 1H 150J-T B 34.0/7.5C6 4030017460 S.CER C1005 JB 1H 102K-T B 50.4/13.4C7 4030018860 S.CER C1005 JB 0J 105K-T B 39.1/14.9C8 4030017350 S.CER C1005 CH 1H 020B-T B 48.1/26.5C9 4030017350 S.CER C1005 CH 1H 020B-T B 48.1/28.9C11 4550007480 S.TAN F930J106MAABMA B 36.8/4.7C12 4030017460 S.CER C1005 JB 1H 102K-T B 46.5/29.7C13 4030018890 S.CER C1005 JB 0J 224K-T B 38.7/5.1C15 4030017460 S.CER C1005 JB 1H 102K-T B 30.4/7.5C20 4030017460 S.CER C1005 JB 1H 102K-T B 49.8/18.0C21 4030017610 S.CER C1005 CH 1H 090C-T B 49.7/19.6C22 4030017610 S.CER C1005 CH 1H 090C-T B 49.7/20.6C24 4550000550 S.TAN TEESVA 1V 224M8R B 43.2/5.9C25 4030017460 S.CER C1005 JB 1H 102K-T B 52.5/7.4C26 4030018010 S.CER C1005 CH 1H 360J-T B 52.2/11.0C27 4030017650 S.CER C1005 CH 1H 270J-T B 50.5/11.0C28 4030017460 S.CER C1005 JB 1H 102K-T B 50.8/15.7C30 4030017460 S.CER C1005 JB 1H 102K-T B 54.1/17.3C31 4030017460 S.CER C1005 JB 1H 102K-T B 62.9/17.4C32 4030017550 S.CER C1005 CH 1H 1R5B-T B 60.0/12.9C33 4030017440 S.CER C1005 CH 1H 221J-T B 63.5/15.0C34 4030017550 S.CER C1005 CH 1H 1R5B-T B 61.7/9.6C35 4030017460 S.CER C1005 JB 1H 102K-T B 63.5/14.1C36 4030017460 S.CER C1005 JB 1H 102K-T B 58.7/17.5C37 4030017540 S.CER C1005 CH 1H R75B-T B 59.6/16.5C38 4030017460 S.CER C1005 JB 1H 102K-T B 61.4/22.0C39 4030017630 S.CER C1005 CH 1H 120J-T B 60.4/21.5C40 4030017640 S.CER C1005 CH 1H 150J-T B 64.7/19.5C41 4030017460 S.CER C1005 JB 1H 102K-T B 54.3/22.1C42 4030017380 S.CER C1005 CH 1H 050B-T B 55.7/21.9C43 4030017400 S.CER C1005 CH 1H 220J-T B 52.4/20.0C44 4030017460 S.CER C1005 JB 1H 102K-T T 60.3/24.6C50 4030017460 S.CER C1005 JB 1H 102K-T B 71.9/25.2C51 4030017400 S.CER C1005 CH 1H 220J-T B 71.1/21.4C52 4030017460 S.CER C1005 JB 1H 102K-T B 69.9/21.3C53 4030017460 S.CER C1005 JB 1H 102K-T B 70.1/20.2C54 4030017640 S.CER C1005 CH 1H 150J-T B 74.3/18.3C55 4030017650 S.CER C1005 CH 1H 270J-T B 72.9/17.2C56 4030016790 S.CER C1005 JB 1E 103K-T T 94.7/20.1C57 4030016930 S.CER C1005 JB 1A 104K-T T 96.9/22.0C58 4030016930 S.CER C1005 JB 1A 104K-T T 94.9/18.1C59 4030017730 S.CER C1005 JB 1H 471K-T T 95.7/15.1C60 4030017460 S.CER C1005 JB 1H 102K-T T 94.4/15.2C61 4510008540 S.ELE EEE1CA100SR B 79.1/27.3C62 4030017460 S.CER C1005 JB 1H 102K-T B 81.2/21.7C63 4030016790 S.CER C1005 JB 1E 103K-T B 70.0/11.2C64 4030017460 S.CER C1005 JB 1H 102K-T T 72.7/15.2C65 4030017420 S.CER C1005 CH 1H 470J-T B 73.5/10.3C66 4030017460 S.CER C1005 JB 1H 102K-T T 77.5/10.4C67 4030017730 S.CER C1005 JB 1H 471K-T B 85.0/12.9C68 4030017420 S.CER C1005 CH 1H 470J-T B 86.3/12.4C69 4030017420 S.CER C1005 CH 1H 470J-T B 70.0/10.3C70 4030018020 S.CER C1608 CH 1H 910J-T B 87.7/4.0C71 4030007060 S.CER C1608 CH 1H 270J-T B 92.0/4.0C72 4030006860 S.CER C1608 JB 1H 102K-T B 95.5/6.0C73 4030017460 S.CER C1005 JB 1H 102K-T B 96.8/15.6C74 4030017460 S.CER C1005 JB 1H 102K-T B 99.6/9.2C77 4030016930 S.CER C1005 JB 1A 104K-T T 73.6/15.2C78 4030016930 S.CER C1005 JB 1A 104K-T T 77.5/8.6C80 4030017460 S.CER C1005 JB 1H 102K-T B 101.2/10.2C81 4030017390 S.CER C1005 CH 1H 180J-T B 96.4/4.5C82 4030017390 S.CER C1005 CH 1H 180J-T B 100.7/5.5

Page 17: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

6 - 3

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

C83 4030017400 S.CER C1005 CH 1H 220J-T B 102.0/5.5C84 4030018120 S.CER C1005 CH 1H 110J-T B 103.1/6.7C85 4030017410 S.CER C1005 CH 1H 240J-T B 103.5/5.5C86 4030017610 S.CER C1005 CH 1H 090C-T B 106.1/6.7C89 4030017590 S.CER C1005 CH 1H 070C-T B 104.8/7.0C90 4030017610 S.CER C1005 CH 1H 090C-T B 101.6/14.0C91 4030017620 S.CER C1005 CH 1H 100C-T B 99.4/17.1C92 4030017420 S.CER C1005 CH 1H 470J-T B 101.7/19.3C94 4030017380 S.CER C1005 CH 1H 050B-T B 102.6/19.9C95 4030017400 S.CER C1005 CH 1H 220J-T B 102.0/26.1C96 4030017460 S.CER C1005 JB 1H 102K-T B 103.1/28.1C97 4030017350 S.CER C1005 CH 1H 020B-T B 103.2/23.2C98 4030017350 S.CER C1005 CH 1H 020B-T B 103.2/24.1C99 4030017650 S.CER C1005 CH 1H 270J-T B 99.7/26.1C100 4030017360 S.CER C1005 CH 1H 030B-T B 101.6/23.2C101 4030017580 S.CER C1005 CH 1H 060C-T B 98.5/24.7C102 4030016790 S.CER C1005 JB 1E 103K-T B 95.8/26.8C103 4030017420 S.CER C1005 CH 1H 470J-T B 95.8/27.7C104 4030016790 S.CER C1005 JB 1E 103K-T B 97.4/27.3C109 4030017460 S.CER C1005 JB 1H 102K-T B 94.0/23.3C110 4030017660 S.CER C1005 CH 1H 330J-T B 91.2/26.5C111 4030017460 S.CER C1005 JB 1H 102K-T B 90.0/28.4C112 4030017560 S.CER C1005 CH 1H 2R5B-T B 94.7/22.1C113 4030017540 S.CER C1005 CH 1H R75B-T B 93.2/24.2C114 4030017420 S.CER C1005 CH 1H 470J-T B 90.0/27.5C115 4030017360 S.CER C1005 CH 1H 030B-T B 92.9/22.3C116 4030017360 S.CER C1005 CH 1H 030B-T B 89.9/23.7C117 4030017370 S.CER C1005 CH 1H 3R5B-T [USA] B 101.6/24.1 4030017370 S.CER C1005 CH 1H 3R5B-T [EXP] 4030017350 S.CER C1005 CH 1H 020B-T [CHN] 4030017350 S.CER C1005 CH 1H 020B-T [EUR-1] 4030017350 S.CER C1005 CH 1H 020B-T [EUR] 4030017350 S.CER C1005 CH 1H 020B-T [UK] 4030017350 S.CER C1005 CH 1H 020B-T [FRG] 4030017350 S.CER C1005 CH 1H 020B-T [HOL] 4030017370 S.CER C1005 CH 1H 3R5B-T [AUS] C119 4030017420 S.CER C1005 CH 1H 470J-T B 86.3/26.8C120 4030016970 S.CER C1005 JB 1E 223K-T B 87.7/27.6C121 4030017460 S.CER C1005 JB 1H 102K-T B 87.7/28.5C122 4030016790 S.CER C1005 JB 1E 103K-T B 82.4/23.4C125 4030016930 S.CER C1005 JB 1A 104K-T B 39.1/15.8C126 4030017460 S.CER C1005 JB 1H 102K-T B 43.7/14.9C131 4030018120 S.CER C1005 CH 1H 110J-T B 85.4/25.2C132 4030017460 S.CER C1005 JB 1H 102K-T B 39.4/17.7C133 4030017460 S.CER C1005 JB 1H 102K-T B 45.6/21.0C154 4030017460 S.CER C1005 JB 1H 102K-T B 80.4/32.9C155 4030017360 S.CER C1005 CH 1H 030B-T T 69.4/42.6C156 4030017460 S.CER C1005 JB 1H 102K-T T 61.4/40.2C157 4030016970 S.CER C1005 JB 1E 223K-T T 59.3/40.6C159 4030016790 S.CER C1005 JB 1E 103K-T T 55.4/38.5C160 4030018240 S.CER C1005 JB 1H 562K-T T 59.7/39.0C170 4030017460 S.CER C1005 JB 1H 102K-T B 57.5/40.9C171 4030017420 S.CER C1005 CH 1H 470J-T B 52.4/35.7C174 4030017460 S.CER C1005 JB 1H 102K-T B 55.2/33.6C176 4030017460 S.CER C1005 JB 1H 102K-T B 53.2/32.4C177 4030016930 S.CER C1005 JB 1A 104K-T B 62.2/38.1C179 4030017450 S.CER C1005 JB 1H 271K-T B 61.9/35.1C180 4030017450 S.CER C1005 JB 1H 271K-T B 61.4/33.9C181 4030016930 S.CER C1005 JB 1A 104K-T B 61.4/36.3C182 4030018910 S.CER C1608 JB 0J 475K-T B 61.6/40.7C191 4030016790 S.CER C1005 JB 1E 103K-T B 83.8/43.5C192 4030019490 S.CER C2012 JB 1A 106K-T T 55.9/22.0C193 4030016790 S.CER C1005 JB 1E 103K-T B 33.6/22.8C194 4030016790 S.CER C1005 JB 1E 103K-T B 44.0/25.3C200 4030016790 S.CER C1005 JB 1E 103K-T B 37.6/41.6C202 4030016930 S.CER C1005 JB 1A 104K-T B 37.2/32.5C205 4030016960 S.CER C1005 JB 1E 183K-T B 41.8/34.1C206 4030017460 S.CER C1005 JB 1H 102K-T B 42.1/32.7C207 4030016930 S.CER C1005 JB 1A 104K-T B 40.7/31.9C222 4030016790 S.CER C1005 JB 1E 103K-T T 62.6/29.8C223 4030016790 S.CER C1005 JB 1E 103K-T T 64.7/32.1C224 4550007480 S.TAN F930J106MAABMA T 76.8/27.2C225 4030018900 S.CER C1005 JB 0J 474K-T T 69.2/26.8C227 4030018860 S.CER C1005 JB 0J 105K-T B 11.9/40.0C228 4030017460 S.CER C1005 JB 1H 102K-T B 11.0/40.0C229 4030017460 S.CER C1005 JB 1H 102K-T B 12.8/40.0C230 4030016930 S.CER C1005 JB 1A 104K-T B 13.7/40.0C231 4030018860 S.CER C1005 JB 0J 105K-T B 73.4/26.8C251 4030019490 S.CER C2012 JB 1A 106K-T B 86.1/45.2C252 4030017460 S.CER C1005 JB 1H 102K-T B 85.8/41.7C254 4030016930 S.CER C1005 JB 1A 104K-T B 34.8/43.6C257 4030016790 S.CER C1005 JB 1E 103K-T B 31.8/40.1C260 4030018910 S.CER C1608 JB 0J 475K-T B 32.1/35.5C261 4030016930 S.CER C1005 JB 1A 104K-T B 52.0/33.6C262 4030016790 S.CER C1005 JB 1E 103K-T T 50.8/29.9C263 4030016790 S.CER C1005 JB 1E 103K-T B 60.3/26.8C264 4030018240 S.CER C1005 JB 1H 562K-T B 60.7/32.4C265 4030017430 S.CER C1005 CH 1H 101J-T B 60.4/30.8C266 4030017030 S.CER C1005 JB 1A 273K-T B 61.6/28.1C282 4030019490 S.CER C2012 JB 1A 106K-T T 78.1/38.0C283 4030016930 S.CER C1005 JB 1A 104K-T B 72.8/34.3C285 4030016930 S.CER C1005 JB 1A 104K-T B 63.7/27.2C288 4030017920 S.CER C1005 JB 1A 683K-T B 78.1/35.2C300 4030017770 S.CER C1005 JB 1H 332K-T B 38.8/32.4C340 4030016790 S.CER C1005 JB 1E 103K-T B 27.4/7.8C341 4030012660 S.CER C1608 JB 1E 683K-T B 11.3/13.1C360 4030016790 S.CER C1005 JB 1E 103K-T B 29.3/32.1C361 4030016950 S.CER C1005 JB 1A 473K-T B 9.5/23.2C363 4030016950 S.CER C1005 JB 1A 473K-T B 10.0/19.7C364 4030016950 S.CER C1005 JB 1A 473K-T B 10.9/19.6C365 4030016950 S.CER C1005 JB 1A 473K-T B 12.1/19.0C366 4030016950 S.CER C1005 JB 1A 473K-T B 13.8/15.8C367 4030017460 S.CER C1005 JB 1H 102K-T [USA] B 9.4/21.1 4030017460 S.CER C1005 JB 1H 102K-T [EXP] 4030017460 S.CER C1005 JB 1H 102K-T [AUS]

M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)S.=Surface mount

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

C370 4030018070 S.CER C1005 CH 1H 300J-T B 19.7/17.3C371 4030017670 S.CER C1005 CH 1H 390J-T B 22.0/5.9C372 4030016930 S.CER C1005 JB 1A 104K-T B 15.4/10.8C373 4030018900 S.CER C1005 JB 0J 474K-T B 9.1/27.3C374 4030018900 S.CER C1005 JB 0J 474K-T B 9.1/25.5C375 4030018900 S.CER C1005 JB 0J 474K-T B 9.1/26.4C377 4030017740 S.CER C1005 JB 1H 821K-T B 38.2/34.6C378 4030017780 S.CER C1005 JB 1H 472K-T B 40.0/34.5C379 4030017420 S.CER C1005 CH 1H 470J-T B 42.0/36.5C380 4030017460 S.CER C1005 JB 1H 102K-T T 97.9/14.9C382 4030018860 S.CER C1005 JB 0J 105K-T B 88.3/43.4C385 4030016790 S.CER C1005 JB 1E 103K-T B 33.2/33.5C386 4030018900 S.CER C1005 JB 0J 474K-T B 10.0/24.1C389 4550007480 S.TAN F930J106MAABMA B 11.7/38.0C390 4030017460 S.CER C1005 JB 1H 102K-T T 63.8/32.6C391 4030017460 S.CER C1005 JB 1H 102K-T T 62.9/32.7C393 4030016950 S.CER C1005 JB 1A 473K-T B 12.1/18.1C400 4030016930 S.CER C1005 JB 1A 104K-T B 42.7/41.4C401 4030018910 S.CER C1608 JB 0J 475K-T B 35.9/18.3C402 4030016930 S.CER C1005 JB 1A 104K-T B 42.5/39.2C404 4030018860 S.CER C1005 JB 0J 105K-T B 57.5/26.3C435 4030018890 S.CER C1005 JB 0J 224K-T B 28.6/10.3C436 4030018900 S.CER C1005 JB 0J 474K-T B 72.0/35.5C437 4030018900 S.CER C1005 JB 0J 474K-T B 50.4/33.3C438 4030016930 S.CER C1005 JB 1A 104K-T B 52.9/28.1C440 4030016930 S.CER C1005 JB 1A 104K-T B 50.9/28.5C441 4030017460 S.CER C1005 JB 1H 102K-T B 64.8/12.4C442 4030017390 S.CER C1005 CH 1H 180J-T B 73.2/8.0C443 4030017650 S.CER C1005 CH 1H 270J-T B 74.5/8.0C444 4030017460 S.CER C1005 JB 1H 102K-T B 75.3/9.2C445 4030017390 S.CER C1005 CH 1H 180J-T B 75.9/8.0C446 4030017630 S.CER C1005 CH 1H 120J-T B 78.7/13.2C447 4030017410 S.CER C1005 CH 1H 240J-T B 78.7/11.6C448 4030017500 S.CER C1005 CH 1H 560J-T B 77.8/10.7C449 4030017410 S.CER C1005 CH 1H 240J-T B 78.7/14.8C450 4030017500 S.CER C1005 CH 1H 560J-T B 77.8/15.5C451 4030017730 S.CER C1005 JB 1H 471K-T B 84.7/21.7C452 4030017420 S.CER C1005 CH 1H 470J-T B 85.6/21.7C453 4030006860 S.CER C1608 JB 1H 102K-T B 92.0/6.7C454 4030018020 S.CER C1608 CH 1H 910J-T B 87.1/14.7C455 4030007060 S.CER C1608 CH 1H 270J-T B 89.9/15.1C456 4030006860 S.CER C1608 JB 1H 102K-T B 92.6/15.3C457 4030007010 S.CER C1608 CH 1H 100D-T B 91.2/12.4C458 4030007030 S.CER C1608 CH 1H 150J-T B 95.0/4.0C460 4030017460 S.CER C1005 JB 1H 102K-T T 78.9/17.1C461 4030016930 S.CER C1005 JB 1A 104K-T T 78.9/15.3C462 4030016930 S.CER C1005 JB 1A 104K-T B 58.7/40.5C463 4030016930 S.CER C1005 JB 1A 104K-T B 56.3/40.5C464 4030016930 S.CER C1005 JB 1A 104K-T B 71.2/37.3C465 4030019490 S.CER C2012 JB 1A 106K-T T 81.1/20.1C466 4030019490 S.CER C2012 JB 1A 106K-T T 90.4/13.1C467 4030017690 S.CER C1005 CH 1H 121J-T B 36.4/42.3C603 4030016790 S.CER C1005 JB 1E 103K-T T 81.9/32.2C606 4030016930 S.CER C1005 JB 1A 104K-T T 81.9/33.1C607 4030016790 S.CER C1005 JB 1E 103K-T T 93.1/37.5C608 4030016950 S.CER C1005 JB 1A 473K-T T 92.1/38.9C609 4030017460 S.CER C1005 JB 1H 102K-T T 92.7/32.1C610 4030019550 S.CER C1608 JB 1E 334K-T B 91.1/32.7C611 4030018910 S.CER C1608 JB 0J 475K-T B 90.2/38.3C612 4030016950 S.CER C1005 JB 1A 473K-T B 13.6/17.0C613 4030016950 S.CER C1005 JB 1A 473K-T B 9.4/22.0C614 4510008540 S.ELE EEE1CA100SR B 94.7/30.7C615 4510009530 S.ELE 10 CE 150 BSS B 5.3/34.3C616 4030017420 S.CER C1005 CH 1H 470J-T B 69.1/34.0C617 4030017400 S.CER C1005 CH 1H 220J-T [CHN] T 58.2/36.3 4030017400 S.CER C1005 CH 1H 220J-T [EUR-1] 4030017400 S.CER C1005 CH 1H 220J-T [EUR] 4030017400 S.CER C1005 CH 1H 220J-T [UK] 4030017400 S.CER C1005 CH 1H 220J-T [FRG] 4030017400 S.CER C1005 CH 1H 220J-T [HOL] C618 4030017400 S.CER C1005 CH 1H 220J-T [CHN] B 50.2/38.9 4030017400 S.CER C1005 CH 1H 220J-T [EUR-1] 4030017400 S.CER C1005 CH 1H 220J-T [EUR] 4030017400 S.CER C1005 CH 1H 220J-T [UK] 4030017400 S.CER C1005 CH 1H 220J-T [FRG] 4030017400 S.CER C1005 CH 1H 220J-T [HOL] C619 4030017650 S.CER C1005 CH 1H 270J-T [CHN] B 33.0/40.1 4030017650 S.CER C1005 CH 1H 270J-T [EUR-1] 4030017650 S.CER C1005 CH 1H 270J-T [EUR] 4030017650 S.CER C1005 CH 1H 270J-T [UK] 4030017650 S.CER C1005 CH 1H 270J-T [FRG] 4030017650 S.CER C1005 CH 1H 270J-T [HOL] C620 4030017350 S.CER C1005 CH 1H 020B-T [CHN] T 64.0/24.8 4030017350 S.CER C1005 CH 1H 020B-T [EUR-1] 4030017350 S.CER C1005 CH 1H 020B-T [EUR] 4030017350 S.CER C1005 CH 1H 020B-T [UK] 4030017350 S.CER C1005 CH 1H 020B-T [FRG] 4030017350 S.CER C1005 CH 1H 020B-T [HOL] C621 4030017350 S.CER C1005 CH 1H 020B-T [CHN] T 65.2/10.8 4030017350 S.CER C1005 CH 1H 020B-T [EUR-1] 4030017350 S.CER C1005 CH 1H 020B-T [EUR] 4030017350 S.CER C1005 CH 1H 020B-T [UK] 4030017350 S.CER C1005 CH 1H 020B-T [FRG] 4030017350 S.CER C1005 CH 1H 020B-T [HOL] C622 4030017350 S.CER C1005 CH 1H 020B-T [CHN] B 47.7/37.1 4030017350 S.CER C1005 CH 1H 020B-T [EUR-1] 4030017350 S.CER C1005 CH 1H 020B-T [EUR] 4030017350 S.CER C1005 CH 1H 020B-T [UK] 4030017350 S.CER C1005 CH 1H 020B-T [FRG] 4030017350 S.CER C1005 CH 1H 020B-T [HOL] J251 6510021901 S.CON BM02B-ASRS-TF(LF)(SN) T 76.1/33.8J601 6510027970 CON LGP2631-0200FC J602 6510009351 CON B2B-ZR(LF)(SN)

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6 - 4

REF PARTS DESCRIPTION M.

H/V NO. NO. LOCATION

[MAIN UNIT]

DS240 5040003060 S.LED SML-512WWT86 T 53.1/3.8DS241 5040003060 S.LED SML-512WWT86 T 61.1/3.8DS242 5040003510 S.LED LNJ426W83RA T 17.2/32.2DS243 5040003510 S.LED LNJ426W83RA T 28.1/32.2DS244 5040003510 S.LED LNJ426W83RA T 17.2/18.5DS245 5040003510 S.LED LNJ426W83RA T 28.1/18.5DS246 5030003400 LCD TAK-35920 FX3340<ITAK> DS247 5040003560 LED RT3-234HRH16T-BNS <ROD> DS248 5040003001 S.LED SML-A12UT T86J T 2.9/25.3 MC250 7700002710 MIC EM6027P-46C33-G <HOR> S250 2260001900 SWI SW-149 (SKHLLD) EP2 6910014690 S.BEA MPZ1608S221A-T B 71.4/7.9EP3 6910014690 S.BEA MPZ1608S221A-T B 88.1/12.7EP8 6910021240 S.BEA MMZ1005A152ET B 61.1/17.0EP10 6910014690 S.BEA MPZ1608S221A-T B 83.0/22.2EP11 6910018460 S.BEA MMZ1005Y102C-T T 105.4/42.0EP360 8930082550 LCD SRCN-3340-SP-N-W (SHJ)

M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)S.=Surface mount

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7 - 1

[CHASSIS PARTS] REF ORDER

DESCRIPTION QTY. NO. NO.

J31 6910014190 2497 ANT CONNECTOR <EIK> 1

SP1 2510001410 036D0803-1 1

W1 8900009640 OPC-963 1W2 8900020040 OPC-2138 1

MP1 8210026940 3340 FRONT PANELASSEMBLY [M24] 1 8210027040 3340 FRONT PANEL (A)ASSEMBLY [M23] 1MP5 8930082450 3340 KEYBOARD <SEP> [M24] 1 8930082590 3340 KEYBOARD (A) <SEP> [M23] 1MP6 8930082510 3340 PTT BUTTON (TOP) 1MP7 8930082370 3340 PTT HOLDER 1MP10 8110010040 3340 REAR COVER 1MP11 8930082480 3340 COVER SEAL (TOP) 1MP12 8930082400 3340 RELEASE BUTTON 1MP13 8930056540 PUSH SPRING (AH) 2MP14 8850001950 SEALING WASHER (Y) (TOT) 1MP15 8830003440 3285 ANT NUT 1MP16 8930082360 3340 JACK CAP 1MP17 8930082380 3340 CAP HOLDER 1MP18 8930082470 3340 MIC SEAL (TOP) 1MP21 8210026930 3340 REAR PANEL 1MP22 8930082500 3340 MAIN SEAL (TOP) 1MP24 8820001510 3062 SCREW 6MP25 8930063690 O-RING (BA) (TOP) 6MP31 8010022080 3340 CHASSIS 2X1 1MP32 8930082440 3340 TERMINAL HOLDER 1MP33 8810009561 PHBT M2 X 6 NI-ZK3 10MP34 8930082560 3340 A-TERMINAL Y1233 [USA] 1 8930082560 3340 A-TERMINAL Y1233 [EXP] 1 8930083330 3340 C-TERMINAL Y1242 [CHN] 1 8930083330 3340 C-TERMINAL Y1242 [EUR-1] 1 8930083330 3340 C-TERMINAL Y1242 [EUR] 1 8930083330 3340 C-TERMINAL Y1242 [UK] 1 8930083330 3340 C-TERMINAL Y1242 [FRG] 1 8930083330 3340 C-TERMINAL Y1242 [HOL] 1 8930082560 3340 A-TERMINAL Y1233 [AUS] 1MP35 8930082570 3340 B-TERMINAL Y1234 2MP39 8810009511 PHBT M2 X 4 NI-ZC3 (3.6-4.0) 1MP42 8810008751 PHBT M2 X15 NI-ZK3 1MP48 8930030920 1301 SHEET 1MP50 8930082490 O-RING (CH) (TOP) 1MP51 8930082680 3340 DETECTION PIN 2MP52 8930082630 INSULATION SHEET (MU) 1MP53 8930083180 SPONGE (LG) 1MP54 8930083370 3340 FERRITE SHEET [CHN] 2 8930083370 3340 FERRITE SHEET [EUR-1] 2 8930083370 3340 FERRITE SHEET [EUR] 2 8930083370 3340 FERRITE SHEET [UK] 2 8930083370 3340 FERRITE SHEET [FRG] 2 8930083370 3340 FERRITE SHEET [HOL] 2

[ACCESSORIES]

[MAIN UNIT] REF ORDER

DESCRIPTION QTY. NO. NO.

J251* 6510021901 BM02B-ASRS-TF (LF) (SN) 1J601* 6510027970 LGP2631-0200FC 1J602* 6510009351 B2B-ZR (LF) (SN) 1

DS246* 5030003400 TAK-35920 FX3340 <ITAK> 1DS247* 5040003560 RT3-234HRH16T-BNS <ROD> 1

MC250* 7700002710 EM6027P-46C33-G <HOR> 1

S250* 2260001900 SW-149 (SKHLLD) 1

EP360 8930082550 SRCN-3340-SP-N-W (SHJ) 1

MP20* 8510014940 2601 VCO CASE Y641 1MP21* 8510014950 2601 VCO COVER Y642 1MP22* 6910014760 OG-503040 [CHN] 1 6910014760 OG-503040 [EUR-1] 1 6910014760 OG-503040 [EUR] 1 6910014760 OG-503040 [UK] 1 6910014760 OG-503040 [FRG] 1 6910014760 OG-503040 [HOL] 1MP360 8210026950 3340 REFLECTOR 1MP361 8930082580 3340 LCD HOLDER Y1232 1MP362 8930080490 THERMAL SHEET (BU) TC200HSV1.4 (6.8X14) 1MP363 8930082620 3340 WHITE SHEET 1

REF ORDER DESCRIPTION QTY. NO. NO.

EP1 (Optional) FA-SC58V-1 1EP2 (Optional) BC-199SA [USA] 1 (Optional) BC-199SE [EXP] 1 (Optional) BC-199SE [CHN] 1 (Optional) BC-199SE [EUR-1] 1 (Optional) BC-199SE [EUR] 1 (Optional) BC-199SE [FRG] 1 (Optional) BC-199SE [HOL] 1 (Optional) BC-199SV [AUS] 1EP4 (Optional) BP-266 1EP6 6910018620 BLACK HANDY STRAP <TOM> 1

MP2 (Optional) MB-124 1

SECTION 7. MECHANICAL PARTS

*: Refer to “BOARD LAYOUTS” for the location.Screw abbreviations A, B0, BT: Self-tapping PH: Pan head ZK: Black NI-ZU: Nickel-Zinc SUS: Stainless

EP4EP6

MP2EP1

EP2

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7 - 2

MP360(M)

MP361(M)

MP18(CH)

MP16(CH)

MP7(CH)

MP33(CH)x4

MP51(CH)x2

MP48(CH)

MP22(CH)

MP33(CH)

MP21(CH)

MP24(CH)x6MP25(CH)x6

W2(CH)

To J602(M)

MP6(CH)

MP50(CH)

MP17(CH)

MP15(CH)

MP14(CH)

J31(CH)

MP1(CH)

EP360(M)

MP5(CH)

MP362(M)

MP33(CH)x5

MP39(CH)

MP53(CH)

W1(CH)

SP1(CH)

MP32(CH)

MP42(CH)

MP34(CH)

MP12(CH)

MP13(CH)x2

MP363(M)

MAIN UNIT

Abbreviations;(CH): CHASSIS PARTS(M): MAIN UNIT

MP31(CH)MP35(CH)

MP10(CH)

MP11(CH)

MP52(CH)

To J251(M)

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8 - 1

SECTION 8. BOARD LAYOUTS

• MAIN UNIT (TOP VIEW)

J601

HV

GND

GND

[DC]

The combination of this page and next page shows the top side and bottom side of actual P.C. board.

J251

SP

+

1

SP

2

C44

C56

C57

C58

C59C60

C64

C66

C77

C78

C155

C156C157

C159 C160

C192

C222

C223

C224

C225

C262

C282

C380

C390C391

C460

C461

C465

C466

C603C606

C607

C608

C609

C617

C620

C621

D357

D358 D359

D360

D601

D609

D610

142SD042SD

342SD242SD

DS244 DS245

DS248

EP11

IC50

IC260 IC6

01

J251

MP22

Q151

Q221 Q222Q224 Q225

Q351

Q353 Q354

Q357

Q363 Q364

Q365

Q366

Q603

Q606

R36

R65

R66

R67

R68

R69

R70

R73

R74

R81

R153

R154

R155R156

R192

R194

R222R223

R224

R225

R226R227

R228

R235

R236

R264

R381

R382

R383

R384

R386

R397

R398

R401

R466 R467

R469

R471

R475

R476

R477

R602

R607

R608

R609

R610R611

R628

R639R640

R641

R642R6

47

R648

R652

S329

MC250

H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115V0V5

V10

V15

V20

V25

V30

V35

V40

V45

V50

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8 - 2

The combination of this page and next page shows the top side and bottom side of actual P.C. board.

• MAIN UNIT (BOTTOM VIEW)

[PTT]

J602

WET SENSOR

SP

+

1

SP

2

C2

C3 C4

C5

C6C7

C8

C9C11

C12

C13

C15

C20

C21C22

C24

C25

C26 C27

C28

C30C31

C32

C33

C34

C35

C36C37

C38 C39

C40

C41C42

C43

C50C51 C52

C53

C54

C55

C61

C62

C63C65

C67C68

C69

C70C71

C72

C73

C74

C80

C81

C82

C83

C84

C85

C86 C89

C90

C91

C92C94

C95

C96

C97C98

C99

C100

C101

C102C103C104

C109

C110

C111

C112

C113

C114

C115

C116

C117

C119

C120C121

C122

C125C126

C131

C132

C133

C154

C170

C171

C174

C176

C177

C179

C180

C181

C182

C191

C193

C194

C200

C202

C205

C206 C207

C227C228

C229C230

C231

C251C252

C254

C257

C260

C261

C263

C264C265

C266

C283

C285

C288

C300

C340

C341

C360

C361

C363C364

C365

C366

C367

C370

C371

C372

C373

C374C375

C377

C378

C379

C382

C385

C386

C389

C393

C400

C401

C402

C404

C435

C436

C437

C438 C440

C441

C442

C443

C444

C445

C446C447 C448

C449C450

C451C452

C453

C454C455

C456C457

C458

C462

C463

C464

C467

C610

C611

C612

C613

C614

C615C616

C618

C619

C622

CP1

CP80

CP240

CP245

CP360D1

D3

D20

D21

D22

D50

D51

D52

D90

D91

D92 D93

D130

D131

D350

D353

D355

D356

D603

D604D612

EP2

EP3

EP8

EP10

FI150

FI170

IC1

IC170

IC190IC200

IC220

IC340

IC341

IC360

IC362

IC365

IC602

J602J602

L1

L20

L21L22

L23L24

L25

L26

L50L51

L53L55

L56L5708L85L

L81L82

L90

L92

L93

L96

L97

L98

L99

L100L101

L102L103

L104

L105L106

L107

L108

MP20

Q3

Q20

Q21Q22

Q23

Q24 Q25

Q50Q53

Q54Q55

Q90

Q150

Q230

Q231

Q240

Q250

Q350

Q362

Q602

Q608

Q609

R1

R2R3

R4

R5

R6

R7

R8

R10

R11R12

R13

R20

R22

R23

R24

R25R26

R27 R28

R30R31

R32R33

R34R35

R47

R50R52

R53

R54R55

R56R57

R71

R75

R76

R80

R91

R93

R94

R95R96

R97

R103

R104

R105R107

R109

R110

R111

R113

R115 R120

R121R122

R152

R170

R171

R172

R173R174R175

R176

R193

R201

R202

R203R204

R205

R206 R207

R212R213

R214

R230R231

R240

R242

R251R252

R253

R255

R256

R257

R258

R260R261

R262

R263

R270

R271

R272R273

R276R277

R278

R279R283

R286

R300

R340R341

R343 R351

R352R353R361

R371

R372

R373R374

R376R377R378

R379

R380

R388

R391

R395

R396

R402

R412R413

R414R415

R430R431

R432

R433

R434 R435R450

R451

R452

R457

R458R459

R460

R461

R462

R463

R464

R465

R468

R478

R627

R634R649

R650R651

X1

X170

X360S250

J601

FI151

CP1

MP20

MOD

SP-

SP+

PWSW

CL

GND

DS247

B748

2B

H0H5H10H15H20H25H30H35H40H45H50H55H60H65H70H75H80H85H90H95H100H105H110H115

V0V5

V10V15

V20V25

V30V35

V40V45

V50

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9 - 1

SECTION 9. BLOCK DIAGRAM

LPFANTSW

ANTENNA

J1

PWRAMPDRIVE

PRE

BPFRFAMPBPF

LOSW BUFF

BPF APCCTRL

BUFFBUFF

BUFF

BPFIFAMP

FILLOOP

VCCVCC

LPF(SPLATTER)

X170450KHz

BPF

LIMITAMP

LPF

AFAM P

X121.25MHz

AMP

VCC

HV

BPFBPF

POWE

R SW

AFMUT E

AFMUTE

AFMUTE

M3V

HV VCC

BUFF PWRAM P

AM P

AM P

HV

M3VS

R3VS

T3VS

WDEC V

RSSIV

LOIN V

NOISV

TEMPV

BATTV

BEEPI

AFVS

MICMS

DETMS

ETXDO

TXM S

TDET V

ERXDI PTTIN

EXTPTT

PTTM

ATTS

LOW

PWSW

PON

BTEMPV

DCV

ATX

LEDI-R

LEDI-G CRESET

M ICG

CMODE

21.7MHz

FI150:FL-368Q151: D131:

D92:

T3V

D52:1SV307

Q90:

Q53: Q54:D 50,D51: Q50:Q24:Q23:

Q25:

Q 21,Q22:KTC3770UIC1:MB15E03SLPFV1

PLL IC

PWRDET

TXMUTE SW

T3V

MODMUTE

R3V

DE -ENPHA

AFREG

PREENPHA

IF DET IC

D/A IC

SP-

SP+

CLONE

MIC

GND

CLONE

REG3V

REGR3

REGT3

CPU3V

RESET

CPU3V

RESET

EEPROM

KEY

LEDSW

LED

T

HV

GND

ADJ CK POINT

VCO

Q150:

D 91:

MAIN UNIT

CHASSIS

REF Q20:LDTC144EE

IC50:LMV321IDCK Q351:

IC170:

FI170:450KHz

IC190:

DS246:

Q240:

IC360:

CPU

IC220:

IC341:Q221:

Q222:

M3V

R3V

T3V

IC362:

Q 230:RSQ035P03TRIC200A:IC200D:

IC200B:

IC365:

WDECV

VOLIN

VOLO

BEEP

SQLO

SQLI

FCON

MODC

ERXDO

TXMS

RSSIV

NOISV

MODC

PLLO

2ND LO

DET

FCON

IC340:S-24C64CI-T8T1U3

LMUN5213DW1DS240,DS241:SML-512WWDS242,DS243,DS244,DS245:LNJ426W83RA

TAK-35920X360CR-911

UPD78F0338GC

SP

L2SA1576AS

Q224:KTC811UQ225:KTA1664

NJU7704F03A

NJU7772F03

LMV358IPW

MIC

TPA0211DGN

Q231:KTC811U

D350:KDS122

JTBM450CX70

LTM450FW

NJM2591V

M62364FP

KTC3880S FI151:FL-399A3SK293

3SK294D93:

RB706F LDTA144E E

D90:HVD144ARD07MUS2BRD01MUS2KTC3770UHVD144A2SC42152SC4215

2SC4215

D 20:MA2S077G0D 21:MA2S077G0

D22:HVB350BYPTL

CR-766

D130:KDV214E

T1CON

LM324IPW LM324IPW

LM324IPW

INMI C

EXTMIC

T1CON

PCON

TDETV

D/A contorl BUS

PLL DATA BUS

ERXDI

AFVS

CD4066PWRIC260D:

DETMS

MOD

CD4066PWRIC260A:

PTTM MICMS

CD4066PWRIC260C:

A TIS

BEEP

KDV214E KDV214E

KDV214E

LEDS

PWRCTRL

PWRCTRL

PWSW

PON

RSQ035P03TRQ353:

Q354:LDTC144EE

MIC

Q250:LDTC144EE

CONT

Q350:LDTC144TE

SP1

MC250

Q 357:LDTA144EE

PCON

LOW

Q3:3SK1069

LOINVRD07MUS2BQ55:

PWRSPLITTER

PWRCOMBINER

LM324IPWIC200C:

F

Q362:LDTC144EE

LMV358IPWIC365:

D356:L1SS400

D356:L1SS400

L2SA1576AS

ATX

S250

PTT

PTTIN

D358:LDAN222

PWRCTRL

RSQ035P03TRQ606:

PWRCTRL

L1SS400D609:

INPUT DC 6.0V

REG5V

DETDC

DCV

LM3Z3V0D604:

D601,D610:LRB551IC602:NJM2853DL1

CHARGE CTRL

IC601:NJW4100VD603:LRB551

RESET

Q603:LDTC144EE

CRESET

Q602:KTA1664LEDI-G LEDI-R

LCD

BTEMPV

BATTERY VOLTAGE

CHARGE

Q364:2SJ347 FD360:LRB551

Q 363:RSQ035P03TRD359:LRB551

CLONESW

CMODE

PWRCTRL

BEEPIN

BEEP

PTT

4.9152MHz

CLONE

WETDET LED

FLASH

Q608:2SJ347 F

DS248:SML-A12UTQ609:LDTC144TED612:L1SS400E

SHUNTLOW

Q365:LDTA144EE

PSW

Q366:LDTC144EE

HV

DS247:RT3-239HRH16T

Page 24: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

10 - 1

SECTION 10. VOLTAGE DIAGRAM

*: Refer to the PARTS LIST for the value and name of component.

• MAIN UNIT (1/2)

TX:0.00VRX:3.70V

1.45V

TX:2.98VRX:0.00V

1.45V

1.43V

2.99VLEDON:2.98V

4.915MHz1.76VP-P

C206

0.

001

R273 22K

C385

0.

01

DS246 TAK-35920

1SE

G02

SEG1

3SE

G24

SEG3

5SE

G46

SEG5

7SE

G68

SEG7

9SE

G810

SEG9

11SE

G10

12SE

G11

13SE

G12

14SE

G13

15SE

G14

16SE

G15

17SE

G16

18SE

G17

19SE

G18

20SE

G19

21SE

G20

22SE

G21

23CO

M024

COM1

25CO

M2

R343

10

K

R272 120K

R255 270K

C260

4.

7

R207 39K

C382

1

C194

0.

01

J251 12

34

R378 82K

R388 470K

R240

22

0

C205

0.

018

CP40

8

R341

10

K

R415

47

K

C300

0.

0033

IC200

2

31

C283

0.

1

S324

C438

0.

1

C371

39

P

R414

10

K

C370

30

P

DS24

4 LN

J426

W83R

A

R192 390

D356 L1SS400

R271 24K

R278

1K

R361 EXB28V102J

IC3652

31

C377

82

0P

X360 CR-911

C437 0.47

C263 0.01

S328

R262

47

K

R204

4.

7K

R395

10

0K

R286

10

K

IC190 M62364FP

1 VIN12 VOUT13 VOUT24 VIN25 VDD6 LD7 CLK8 DI9 VIN3

10 VOUT311 VOUT412 VIN4 13VIN5

14VOUT515VOUT616VIN617DO18VDAREF19RESET20GND21VIN722VOUT723VOUT824VIN8

DS24

5 LN

J426

W83R

A

IC200

13

1214

R206

18

K

R256

18

K

C251

10

LMV324IPWIC200

V+4

GND11

R634

10

K

R277 100K

R257

4.

7K

R374

39

0K

R202 100K

IC360 UPD780318GC-513-9EB-A

1P3

0/TO

02

P31/

TI00

3P3

2/TI

014

P33/

TO50

/TI5

05

P34/

TO51

/TI5

16

P20/

RXD0

/SI3

7P2

1/TX

D0/S

O38

P22/

SCK3

9P2

3/SI

110

P24/

SO1

11P2

5/SC

K112

P00/

INTP

013

P01/

INTP

114

P02/

INTP

215

P03/

INTP

3/AD

TRG

16P0

4/IN

TP4

17P0

5/IN

TP5/

BUZ/

PCL

18VP

P19

XT2

20XT

121

VSS1

22VD

D123

X224

X1

25

RESE

T26

AVRE

F027

P10/

ANI0

28P1

1/AN

I129

P12/

ANI2

30P1

3/AN

I3

31P14/ANI432P15/ANI533P16/ANI634P17/ANI735ANI836ANI937AVSS038P120/AO039AVREF140CAPH41CAPL42VLCDC43VLC044VLC145VLC246COM047COM148COM249COM350SCOM051S052S153S254S355S456S557S658S759S860S9

61S1

062

S11

63S1

264

S13

65S1

466

S15

67S1

668

S17

69S1

870

S19

71S2

072

S21

73S2

274

S23

75P9

0/S2

476

P91/

S25

77P9

2/S2

678

P93/

S27

79P9

4/S2

880

P95/

S29

81P9

6/S3

082

P97/

S31

83P8

0/S3

284

P81/

S33

85P8

2/S3

486

P83/

S35

87P8

4/S2

688

P85/

S37

89P8

6/S3

890

P87/

S39

91 VSS092 VDD093 P6094 P6195 P6296 P6397 P6498 P6599 P66100 P67101 P40102 P41103 P42104 P43105 P44106 P45107 P46108 P47109 P50110 P51111 P52112 P53113 P54114 P55115 P56116 P57117 P70/TO4118 P71/TI4119 P72/TO52120 P73/TI52

C612

0.

047

R263

18

K

R452

2.

2K

R279 1.5K

C202

0.

1

D355

L1

SS40

0

C402

0.

1

R649 0

C613

0.

047

R435

12

K

R264 EXB28V104J

C264

0.

0056

IC200

6

57

C361

0.

047

R412

10

K

R201

2.

2K

C254

0.

1

Q250 LDTC144EE

R193

47

0

R205

8.

2K

C193

0.

01

CP405

R391

47

K

R300

6.

8K

CP402

R430

27

0K

S326

C340

0.

01

S323

C379

47

P

R340

10

0K

C257

0.

01

DS24

2 LN

J426

W83R

A R353 1K

R433

10

0K

C400

0.

1

Q230 RSQ035P03TR

1 2 3456

C265 100P

Q350 LDTC144TE

R373 1M

R260

22

0K

C192

10

CP404

C393

0.

047

IC362 TPA0211DGN

1IN 2SHUTDOWN 3VDD 4BYPASS5 VO+6 SE/ BTL7 GND8 VO-

9

C372

0.

1

R396

0

CP410

R230 330K

C200

0.

01

C191

0.

01

R379 82K

C386

0.

47

C404

1

C365

0.

047

C378 0.0047

S327

C375

0.

47

S250

SW

-149

D350 KDS122

S321

C366

0.

047

R242 EXB28V821J

R258

4.

7K

R434

82

K

C262

0.

01

C207 0.1

C464 0.1

*MP22

IC200 LMV324IPW

9

108

DS24

3 LN

J426

W83R

A

C231

1

C364

0.

047

IC341 NJU7704F03A

1CD 2VSS 3MR4 VOUT

5 VDD

IC340 S-24C64CI-T8T1U3

1 A02 A13 A24 VSS 5SDA6SCL7WP8VCC

S320

DS24

0 SM

L-51

2WW

R377 82K

R253

3.

3K

C374

0.

47

R270 1K

R376 100K

R252

33

K

R432 2.7K

R450

33

0

MC250 EM6027P-46C33-G

C288

0.

068

C373

0.

47

R231 330

S322

CP401

R413 4.7K

*C61

9

C360

0.

01

R351 1K

C252

0.

001

R478

10

K

*C36

7

R261

56

K

CP360

DS24

1 SM

L-51

2WW

C435

0.

22

R371

47

0K

CP409

C389

10

C341

0.

068

R251

27

0

C285

0.

1

IC260 CD4066BPWR

1 I/O12 O/I13 O/I24 I/O25 CONT26 CONT37 VSS 8I/O39O/I310O/I411I/O412CONT413CONT114VDD

R214

15

K

R352 15K

C467 120P R3

72

1.5M

R276 22K

C282

10

Q231 KTC811U

1234 5 6

Q240 LMUN5213DW1

1

2

34

5

6

R468

22

0

R283

10

0K

C436 0.47

CP406

R194

10

0K

C266

0.

027

R451

4.

7K

C401 4.7

R203 220K

R431

1K

CP400

R213 100K

C261 0.1

R212 1.5K

IC365 LMV358IPW

V+8

GND4

C363

0.

047

R402 39K

SEG2

1SE

G20

SEG1

9SE

G18

SEG1

7SE

G16

SEG1

5SE

G14

SEG1

3SE

G12

SEG1

0SE

G11

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

SEG0

COM1

COM2

COM0

MCON

DETO

COM0COM1COM2

SEG0SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9

SEG1

0SE

G11

SEG1

2SE

G13

SEG1

4SE

G15

SEG1

6SE

G17

SEG1

8SE

G19

SEG2

0SE

G21

PONDETMS

PTTIN

TXMS16/9CH/WXUPDOWNFAVVOL/SQLSCAN

ESCK

16/9

UP

DOWN

SCAN

CH/WX

H/L

FAV

VOL/SQL

H/L

PTTM

TDEC

WDECV

FCON

PCON

T1CO

N

SQLO

ESDA

BEEP

MODC

CMODE

PS

SDATAO

ATIS

NOISVRSSIVBATTV

ERXD

IET

XDO

ESCK

ESDA

RES

RES

VPP

DASTSCK

SDAT

A

LOIN

VTD

ETV

ATIS

MICM

S

AFVS

M3VS

R3VS

T3VS

SDAT

A

TEMP

V

MICI

N

VPP

WDEC

V

AFVS

VOLOUT

AFV

DETIN

MICO

MSEN

S

F

DET

PTTSWATX

DCV

ATX

MICG

PWSW

PLST

B

SCLK

SCK

DASTB

DAST

UNLK

BEEP

CRES

ET

SWCTRL

ELOW

MOD

PTTMDETMS

MICGMICMS

LEDS

LCDS

LEDI-RLEDI-G

LOW

V3VS

BTEM

PV

RES

VIN

CPU3V CPU3V CPU3V

CPU3V

ETXD

O

ERXD

I

CLON

E

PTTIN

M3VM3V

PSW

HV

DAST

Page 25: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

10 - 2

• MAIN UNIT (2/2)

*: Refer to the PARTS LIST for the value and name of component.

TX:0.00VRX:2.74V RX:0.00V

TX:2.67V2.86V

1.94V

V67.

PON: 2.99VPOFF:0.00V

4V69.4:EGRAHC

TX:0.00VRX:1.20V

TX:0.00VRX:1.08V

RX:2.57VTX:0.00V

V00.6:EGRAHC

TX:2.84VRX:2.86V

TX:2.25VRX:2.31V

RX:0.62VTX:0.58V

4.5W:0.79V1.0W:0.17V

RX:0.00VTX:1.35V

RX:0.00VTX:2.62V

TX:0.00VRX:1.85V

TX:0.00VRX:2.71V

1.0W:1.72V4.5W:2.21V

2.62V

C95

22P

*C117

Q608 2SJ347

R383

12

K

C69

47P

C160

0.

0056

Q222 L2SA1576AS

R460

10

0

C97

2P

C441

0.

001

DS24

8 SM

L-A1

2UT

R8 560

C73

0.00

1

R465

10

0

C131

11

P

C380

0.

001

C104

0.

01

C182

4.

7

R462 0

L92

LQN2

1A

R174

33

0K

L101 ELJRF

C54 15P

FI150 FL-368

R7 470

C463 0.1

C157

0.

022

Q24 2SC4215

Q362 LDTC144EE

Q364 2SJ347

C96

0.00

1

C74 0.001

C37 0.75P

CP1

L102 22N

C462 0.1

Q3 2SK1069-4-TL-E

C52

0.00

1

R55

3.3K

R227 10K

R54

10

R476

10

K

C39 12P

C61

10

C442

18

P

Q606 RSQ035P03TR

1234 5 6

D92

KDV2

14E

R235

33

0K

R647

10

K R627

2.

2K

X1 CR-766

C179 270P

R171

2.

7K

*C62

0R1

56

470

D359

LR

B551

V-30

C456

0.

001

Q25 2SC4215

C44

0.00

1

R651

10

K

C455

27

P

R23 220

R384 2.2K

C119

47

P

C27

27P

C440

0.

1

C11

10

C7

1

R652

22

0

C35

0.00

1

L80 0.30-1.7-7TL

C50

0.00

1

C12 0.001

L56 0.30-0.9-3TR

L98

LQH1

N

C56

0.01

IC170 NJM2591V

1 OSCIN2 OSCOUT3 MIXOUT4 V+5 IFIN6 DEC7 FILOUT8 FILIN 9AFOUT10QUAD11IFOUT12RSSI13NOISEDET14NOISEREC15GND16MIXIN

J601

R463

10

0

R91

220K

C91

10P

Q353 RSQ035P03TR

1 2 3456

C603

0.

01

L81 0.26-1.1-7TR

C51 22P

C159 0.01

L1 NLV25T

R173 1.5K

C38

0.00

1

R6 47K

C84 11P

C461

0.

1

C132

0.

001

R236

15

0K

C453 0.001

C36

0.00

1

R611

4.

7K

R225 10K

IC602 NJM2835DL1-05

I OG

D90

HVD1

44A

C59

470P

R154

10

0K

D21

MA2S

077G

0

IC50 LMV321IDCK

1

23

45

L51 82N

CP300

L50

0.1U

C116 3P

C133 0.001

EP10 MPZ1608S221A

L107 0.30-1.7-7TL

R57

68

R69 10K

C449 24P

D357

EZ

JZ0V

8001

0

C170

0.

001

R111

10

0K C155

3P

C120

0.

022

IC601 NJW4100V

1 P_CHG2 NFB3 CNT4 GND5 NC6 F-CHG7 LED-G8 LED-R9 C110 C2 11CHG-SW12TL13TH14TDET15V+16VREF17VS18CS219CS120Q-CHG

D360 LRB551V-30

R56

1.2K

C457

10

P

C20

0.00

1

R464

10

0

C15

0.00

1

R641

2.

2K

R75

100

R80

82K

R155

2.

2K

Q357 LDTC144EE

C458

15

P

R52

2.2K

R30

68K

L103 ELJRF

MP20

26

01 1

234

C111

0.

001

D51 HVD144A

D50 HVD144A

R628 1

C391

0.

001

D610 LRB551V-30

R639

10

K

L93

LQN2

1A

R27

8.2K

Q225 KTA1664

R22 4.7K

D52 1SV307

IC220 NJU7772F03

1 VIN2 GND3 CTRL 4NC

5VOUT

C90

9P

C63

0.01

R1

03

10K

R223 10K

R477 10K

Q55 RD07MUS2B-T112

D1

HVC3

76B-

E Q50 KTC3770U

R458 4.7K

C454

91

P

R386

10

K

R467

56

K

R642

47

0

R461

22

0

Q365 LDTA144EE

C34 1.5P

R469 10K

C230

0.

1

R47 3.9K

DS24

7 RT

3-23

4HRH

16T-

BNS

L104

0.

30-1

.3-5

TL

C57 0.1

C452

47

P C78

0.1

R50

1K

C9

2P

C222

0.

01

R105

22

0K

R76

100

R10

560

R109

10

R31

220

L108 0.30-1.7-7TL

Q363 RSQ035P03TR

1234 5 6

C8

2P

C77

0.1

R1

NTCG

16

C42 5P

R4 47K

R122

15

0K

C466

10

R26

6.8K

CP240

C110

33

P

L58

NLV2

5T

EP2

MPZ1

608S

221A

C608

0.

047

C223

0.

01

C606

0.

1

C98 2P

R170 390

C71

27P

R71

100

C94 5P

IC1 MB15E03SLPFV1-G-BND-E1

1OSCI 2OSCO 3VP 4VCC 5DO 6GND 7XFIN 8FIN9 CLK10 DAT11 LE12 PS13 ZC14 L/F15 P16 R

R172 470

L90 0.30-1.7-7TL

R81 100K

R380

10

K

Q151 KTC3880S

D604

LM

3Z3V

0

C24

0.22

C65 47P

R648

0

R53

100

R471

0

C616

47

P

R640

10

K

C121

0.

001

L106 0.30-1.3-5TL

*C62

1

R33

39K

C70

91P

C465

10

C5

15P

R610

10

K R7

4 56

K

C55

27P

D601 LRB551V-30

C225

0.

47

C177

0.

1

C26

36P

Q221 L2SA1576AS

R25 100K

L26 82N

R381 10K

D612

L1

SS40

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Page 26: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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Page 27: VHF MARINE TRANSCEIVER - R-One Tradingr-onetrading.com/download/icommarine/IC-M23_M24_SM.pdf · This service manual describes the latest technical information for the and IC-M24IC-M23

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