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Icom IC-M35 Service Manual
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Icom IC-M35 Service Manual

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Feb. 2012
SERVICE MANUAL
ADDENDUM
CONTENTS
REPLACEMENT PAGES . . . . . . . . . . . . . . . . . 5-1 to 5-3 and 5-6
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 1
VOLTAGE DIAGRAM . . . . . . . . . . . . . . . . . . . 5
[VERSION LIST]
MODEL VERSION
CHN
EUR-1
EUR
IC-M35
UK
FRG
HOL
AUS
USA
IC-M36
SEA
AC
TX
ADAPTER
Hi-POWER
BC-147SE
6 W
N/A
6 W (1 W)
BC-147SE
6 W
BC-147SV
5 W
BC-147SA
6 W

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Summary of Contents for Icom IC-M35

  • Page 1 PARTS LIST ......1 VOLTAGE DIAGRAM ....5 [VERSION LIST] MODEL VERSION ADAPTER Hi-POWER EUR-1 BC-147SE IC-M35 6 W (1 W) BC-147SE BC-147SV IC-M36 BC-147SA...
  • Page 2 (Replacement page) Feb. 2012 SECTION 5. ADJUSTMENT PROCEDURE 5-1 PREPARATION █ REQUIRED EQUIPMENTS EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE • OPC-478 or OPC-478UC Adjustment software CS-M36/35 (Revision 1.0 or later) JIG cable • Modifi ed OPC-1655 (See the illust below) Audio generator Frequency range : 300–3000 Hz...
  • Page 3 ” will appear. Click [Next>]. t The “Choose Destination Location” will appear. Then click [Next>] to install the software to the destination folder. (e.g. C:\Program Files\Icom\CS-M36) y After the installation is completed, the “InstallShield Wizard Complete” will appear. Then click [Finish].
  • Page 4 (Replacement page) Feb. 2012 5-2 FREQUENCY ADJUSTMENTS Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC’s keyboard. ADJUSTMENT TRANSCEIVER’S ADJUSTMENT OPERATION VALUE ITEM CONDITION PLL LOCK •...
  • Page 5 (Replacement page) Feb. 2012 5-4 TRANSMIT ADJUSTMENTS (continued) Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC’s keyboard. ADJUSTMENT TRANSCEIVER’S ADJUSTMENT OPERATION VALUE ITEM CONDITION DEVIATION •...
  • Page 6 Feb. 2012 SECTION 6. SECTION 6. PARTS LIST [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1130011671 S.IC MB15E03SLPFV1-G-ER-6E1 36.2/11.8 6200007001 S.COI ELJRE 82NGFA 64.0/6.9 1180002690 S.REG S-812C36AMC-C2Q-T2G 32.9/17.4 6200007690 S.COI LQW2BHN18NJ03L 70.6/13.7 IC50 1120002830 S.IC NJM2125F-TE1-#FZZB 94.9/15.9 6200012750 S.COI 0.20-1.0-7TL 25N <COMO>...
  • Page 7 Feb. 2012 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R113 7030004980 S.RES ERJ2GEJ 101 X (100) 72.5/24.0 R380 7030003560 S.RES ERJ3GEYJ 103 V (10K) 89.8/11.8 R115 7030006610 S.RES ERJ2GEJ 394 X (390K) 59.9/24.9 R381 7030005050 S.RES ERJ2GEJ 103 X (10K) 90.5/14.6 R120 7030007290 S.RES ERJ2GEJ 222 X (2.2K)
  • Page 8 Feb. 2012 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017640 S.CER C1005 CH 1H 150J-T 64.3/8.0 C126 4030017460 S.CER C1005 JB 1H 102K-T 37.4/15.2 4030017410 S.CER C1005 CH 1H 240J-T 62.7/8.0 C127 4030017420 S.CER C1005 CH 1H 470J-T 24.0/10.0 4030016790 S.CER C1005 JB 1E 103K-T 91.8/16.6...
  • Page 9 Feb. 2012 [MAIN UNIT] PARTS DESCRIPTION LOCATION C364 4030016950 S.CER C1005 JB 1A 473K-T 94.9/41.3 C365 4030016950 S.CER C1005 JB 1A 473K-T 96.6/41.3 C366 4030016950 S.CER C1005 JB 1A 473K-T 99.3/40.7 C367 4030016950 S.CER C1005 JB 1A 473K-T 93.1/41.3 C370 4030018070 S.CER C1005 CH 1H 300J-T 95.0/30.9 C371...
  • Page 10 Feb. 2012 SECTION 10 SECTION 10. VOLTAGE DIAGRAM R251 CPU5V EXPTT DETDET ON :4.81V OFF:0.00V MOD MOD Q251 EXPTT IC190 VIN1 VIN8 KRA302E VOUT1 VOUT8 VOUT2 VOUT7 VIN2 VIN7 PTTIN KRC404E DAST RESET ON :4.82V VDAREF OFF:0.00V Q250 Q362 S11000-1 R192 VIN3 VIN6...
  • Page 11 Feb. 2012 TX:2.47V TX:2.37V RX:2.47V RX:2.45V S-812C36AMC TX:0.71V TX:4.71V RX:1.30V RX:0.00V VOUT KDS160E Q360 C127 Q351 UNLK KRA304E KRC404E 3.59V 2.7U 1.5P 0.3P KTC3770U 2SC4215 KRC404E TX:1.45V RD09MUP2 RX:0.00V 100P SDATA 2SC4215 6.8N 0.001 45.3N 0.001 1SV307 0.001 27.2N M B15E03SLPFV1 KDS114 R100 FI N...
  • Page 12 VHF MARINE TRANSCEIVER S-14520XZ-C1 Oct. 2008...
  • Page 13 8. READ the instructions of test equipment throughly before connecting a test equipment to the transceiver. Icom, Icom Inc. and ICOM logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
  • Page 14 TABLE OF CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTION SECTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS............4-1 TRANSMITTER CIRCUITS .
  • Page 15 SECTION 1. SPECIFICATIONS 1-1 IC-M35 1-2 IC-M36 ï GENERAL ï GENERAL • Frequency coverage : Transmit 156.000–161.450 MHz • Frequency coverage : Transmit 156.025–157.425 MHz Receive 156.000–163.425 MHz Receive 156.050–163.275 MHz • Mode : FM (16K0G3E) • Mode : FM (16K0G3E) •...
  • Page 16 1-3 MARINE CHANNEL LIST • For IC-M35 • International channels Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive 157.050 161.650 156.125 160.725 157.125 161.725 156.050...
  • Page 17 SECTION 2. INSIDE VIEWS • MAIN UNIT (TOP VIEW) CPU (under the LCD) (IC360) INTERNAL MICROPHONE (MC250) 1ST IF AMP (Q151) • MAIN UNIT EEPROM (IC340) (BOTTOM VIEW) “VCC” LINE SWITCH (Q353) CPU RESET IC “CPU5V” LINE REGULATOR (IC341) (IC220) INVERTER (data interface) (IC364) CPU CLOCK...
  • Page 18 SECTION 3. DISASSEMBLY INSTRUCTION 1. REMOVING FRONT PANEL 3. REMOVING MAIN UNIT • Unscrew 4 screws from the rear panel, and remove 1) Unsolder 2 points from the top side, and 1 point from the the rear panel from the front panel. bottom side.
  • Page 19 SECTION 4. CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS RF CIRCUITS The quadrature detector is a frequency demodulator which uses a discriminator (X170) as a phase delayer, and RF circuits consist of RF fi lters, antenna switch (ANT SW), provides demodulation without any adjustment. RF amplifi...
  • Page 20 4-2 TRANSMITTER CIRCUITS TX AF CIRCUITS TX AMPLIFIERS AF signals from the microphone (MIC signals) are passed The frequency-modulated signal from the VCO (TX signal) through the MIC line SW (IC260A) and amplified by MIC is passed through the LO SW (D50), and amplified by the AMP (IC200B), then passed through the MIC mute SW buffer AMP (Q50), driver AMP (Q53) and power AMP (Q54) (IC260C).

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Ic-m36