Icom IC-M710 Service Manual
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Icom IC-M710 Service Manual

Icom hf marine transceiver service manual
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SERVICE
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HF MARINE TRANSCEIVER
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Summary of Contents for Icom IC-M710

  • Page 1 SERVICE MANUAL HF MARINE TRANSCEIVER iM710...
  • Page 2 TD62783AF IC-M710 MAIN UNIT 5 pieces 6. DO NOT transmit power into a signal generator or a 8810008560 Screw PH M3×8 SUS ZK IC-M710 Top cover 10 pieces sweep generator. Addresses are provided on the inside back cover for your 7.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 CIRCUIT DESCRIPTION 3 - 1 RECEIVER CIRCUITS ............3 - 1 3 - 2 TRANSMITTER CIRCUITS .
  • Page 4 SECTION 1 SPECIFICATIONS ■ GENERAL • Frequency coverage : Receive 0.5000 kHz–29.9999 MHz Transmit 1.6000–2.9999 MHz 4.0000–4.9999 MHz 6.0000–6.9999 MHz 8.0000–8.9999 MHz 12.0000–13.9999 MHz 16.0000–17.9999 MHz 18.0000–19.9999 MHz 22.0000–22.9999 MHz 25.0000–27.50000 MHz • Mode : J3E (USB), H3E (AM), J2B (AFSK), F1B (FSK), R3E, A1A (CW) (Available modes differ according to versions) •...
  • Page 5 SECTION 2 INSIDE VIEWS • PA150W, FILTER AND TERMINAL BOARDS TERMINAL board REG board [EUR-21], [EUR-22] only Fuse (F7001) Drive amplifiers FILTER board (Q4001, Q4002: 2SC3133) Thermal switches S4001: OHD-3 110M Power detector circuit S4002: OHD-3 50M Power amplifiers (Q4003, Q4004: 2SC2904) PA150W board •...

  • Page 6: Receiver Circuits

    SECTION 3 CIRCUIT DESCRIPTION 3-1 RECEIVER CIRCUITS 3-1-3 2ND MIXER AND IF CIRCUITS (MAIN UNIT) The 1st IF signal from the crystal filter (FI1b) is converted 3-1-1 RF FILTER CIRCUIT (MAIN UNIT) again into a 9.0115 MHz 2nd IF signal at the 2nd mixer Received signals from the antenna connector pass through circuit (D52, L66, L67).
  • Page 7 The detected voltage is also applied to the noise blanker 3-1-8 S-METER CIRCUIT (MAIN UNIT) AGC circuit (Q12, Q10) and is then fed back to the noise The S-meter indicates the AGC level on the display, since amplifier (IC8) as a bias voltage. The noise AGC circuit the AGC level varies with the received signal strength.

  • Page 8: Transmitter Circuits

    The comparator outputs “High” when the integrated signals The SSB signal from FI2 is amplified at the 9 MHz amplifi- exceed the reference voltage. C269, R310 and R780 are ers (Q17–Q19) and is then applied to the mixer circuit (D52). used as a time constant circuit.
  • Page 9 3-2-6 POWER AMPLIFIER CIRCUIT 3-2-7 ALC CIRCUIT (PA150W BOARD) The transceiver has two ALC (Auto Level Control) loops for constant output power over all marine bands and for high This circuit provides a stable 150 W (at 13.6 V) of output power setting.

  • Page 10: Pll Circuit

    3-2-8 APC CIRCUIT 3-3 PLL CIRCUIT The APC (Auto Power Control) circuit protects the power 3-3-1 GENERAL amplifiers on the PA unit from high SWR and excessive The PLL unit generates a 1st LO frequency (69.5115– current. 99.0114 MHz), 2nd LO frequency (60 MHz) and a BFO fre- quency (9.0106–9.013 MHz) for the MAIN unit.
  • Page 11 (REG UNIT; [EUR] only) Outputs a “SEND” control signal for ASEN The IC-M710 [EUR] version employs a floating ground- the ACC (1) and ACC (2) sockets. ing system which is not connected between transceiver’s Outputs a “SEND” control signal for ground and (–) terminal of the power supply.
  • Page 12 (MAIN unit; IC132)–Continued Port Description number name Outputs AF gain control signal to the control (IC36). Outputs the "tuner start" pulse to an STAT optional AT-130E. Outputs a BEEP signal (1 kHz or BEEP 500 Hz). Outputs a strobe signal to the main STB1 loop PLL IC (C3005).

  • Page 13: Preparation Before Servicing

    Connect pins 3 and 4 to the [PTT] antenna for AF output connector CAUTION: DO NOT connect the signal generator while to DC power receptacle DC power suppy transmitting. 13.6 V/30 A [DC 13.6V] [ANT] IC-M710 to [MICROPHONE] 4 - 1...

  • Page 14: Pll Adjustments

    4-2 PLL ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST • Display frequency : 7.9999 MHz Connect a digital 3.2 V C3049 REFERENCE • Mode : J3E multimeter or oscillo- LOOP LOCK • Receiving scope to check point VOLTAGE J3004.
  • Page 15 • MAIN AND PLL UNITS 13.6 V voltage L106 check point C3049 Reference loop lock voltage adjustment J3004 Reference loop lock voltage Reference P3002 check point frequency check point Main loop J3005 L3005 Reference lock voltage L3004 frequency check point L3003 Adjustment Main loop...

  • Page 16: Transmitter Adjustments

    4-4 TRANSMITTER ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST IDLING • Display frequency : 12.2300 MHz PA150W Cut the lead wire 100 mA PA150W R4022 CURRENT • Mode : J3E (W4011) and connect (For drive •...
  • Page 17 • PA AND FILTER BOARDS IC APC check point Ammeter 7 8 9 DC power supply R4022 Idling current (for drive transistors) adjustment R4025 Idling current (for final transistors) Idling current W4011 adjustment (for drive transistors) check point Ammeter EP4004 EP4003 W4011 R4026...
  • Page 18 TRANSMITTER ADJUSTMENTS (continued) ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST TRANSMIT • Display frequency : 12.2300 MHz Rear C o n n e c t a n R F 140 W MAIN R184 • Mode : A1A [Others] Panel power meter to the GAIN...
  • Page 19 • MAIN AND LOGIC UNITS Tune power L108 preparation Transmit Tune power R205 gain adjustment R184 adjustment Transmit R159 gain R184 Output power chack point R211 adjustment R212 MIC limitter preparation Carrier R844 suppression R238 adjustment R2066 MIC gain adjustment R2070 MIC limitter adjustment 4 - 7...

  • Page 20: Receiver Adjustments

    4-5 RECEIVER ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST RECEIVER • Display frequency : 2.1820 MHz Rear C o n n e c t a n A C Maximum output level MAIN Adjust in GAIN •...
  • Page 21 • MAIN UNIT MAIN UNIT Noise blanker adjustment Noise blanker check point R300 Receiver gain R257 preset Receiver gain R223 adjustment R223 Total gain adjustment 4 - 9...

  • Page 22: Front Unit

    SECTION 5 PARTS LIST [LOGIC BOARD] [FRONT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω S2801 2260001580 SWITCH JPZ2120-0101 (TV-3) R2007 7030000430 S.RESISTOR MCR10EZHJ 2.7 k Ω R2009 7030000580 S.RESISTOR MCR10EZHJ 47 k Ω R2011 7030000580 S.RESISTOR MCR10EZHJ 47 k Ω SP2801 2510000441 SPEAKER F77G08-6205 R2012 7030000740 S.RESISTOR...

  • Page 23: Logic Board

    [LOGIC BOARD] [LOGIC BOARD] ORDER ORDER DESCRIPTION DESCRIPTION C2020 4510004600 ELECTROLYTIC 16 MV 1000 HC W2014 7030000010 S.RESISTOR MCR10EZHJ JPW (000) C2021 4030004740 S.CERAMIC C2012 JB 1H 472K-T W2015 7030000010 S.RESISTOR MCR10EZHJ JPW (000) C2022 4510007480 ELECTROLYTIC 16 MV 470 CA W2018 7030000010 S.RESISTOR MCR10EZHJ JPW (000) C2023...
  • Page 24 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION IC38 1140003830 S.IC TC4W66F (TE12L) Q115 1590000680 S.TRANSISTOR DTC114EUA T106 IC39 1140003830 S.IC TC4W66F (TE12L) Q118 1530002690 S.TRANSISTOR 2SC4116-GR (TE85R) [GMDSS] IC131 1180000420 S.IC TA78L05F (TE12R) Q119 1530002690 S.TRANSISTOR 2SC4116-GR (TE85R) IC132 1140006940 S.IC HD6433378B26F SX-1632A Q122...
  • Page 25 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 1730000100 ZENER RD5.1E B2 6200003050 S.COIL NL 322522T-R82J-3 1750000300 S.DIODE 1SS302 (TE85R) 6200003040 S.COIL NL 322522T-R68J-3 1750000300 S.DIODE 1SS302 (TE85R) 6200003040 S.COIL NL 322522T-R68J-3 1750000270 S.DIODE 1SS301 (TE85R) 6200003040 S.COIL NL 322522T-R68J-3 1790000690 S.DIODE HSM88ASR-TR 6200003260 S.COIL...
  • Page 26 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω L122 6180001710 COIL LAL 03NA 561K 7010004450 RESISTOR R20J 100 k Ω L123 6200003020 S.COIL NL 322522T-R33J-3 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 k Ω L124 6200003000 S.COIL NL 322522T-R22J-3 7030003540 S.RESISTOR ERJ3GEYJ 682 V (6.8 k Ω...
  • Page 27 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω Ω R158 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 k R255 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 k Ω Ω R159 7010004340 RESISTOR R20J 15 k R256 7030003320 S.RESISTOR ERJ3GEYJ 101 V (100 Ω...
  • Page 28 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω Ω R372 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 k R603 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 k Ω Ω R373 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 k R604 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 k Ω...
  • Page 29 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω Ω R733 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 k R831 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 k Ω Ω R734 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 k R832 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 k Ω...
  • Page 30 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 4030006820 S.CERAMIC C1608 SL 1H 301J-T C142 4030007030 S.CERAMIC C1608 CH 1H 150J-T 4030007090 S.CERAMIC C1608 CH 1H 470J-T C143 4030006960 S.CERAMIC C1608 CH 1H 050C-T 4030007170 S.CERAMIC C1608 CH 1H 221J-T C144 4030006860 S.CERAMIC C1608 JB 1H 102K-T...
  • Page 31 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C230 4510006160 ELECTROLYTIC 25 MV 10 HC C362 4030006880 S.CERAMIC C1608 JB 1H 472K-T C231 4510006160 ELECTROLYTIC 25 MV 10 HC C363 4030006880 S.CERAMIC C1608 JB 1H 472K-T C232 4030006860 S.CERAMIC C1608 JB 1H 102K-T C364 4030006880 S.CERAMIC C1608 JB 1H 472K-T...
  • Page 32 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C547 4030006880 S.CERAMIC C1608 JB 1H 472K-T C663 4030007050 S.CERAMIC C1608 CH 1H 220J-T C548 4030006880 S.CERAMIC C1608 JB 1H 472K-T C664 4030006880 S.CERAMIC C1608 JB 1H 472K-T C550 4030006880 S.CERAMIC C1608 JB 1H 472K-T C665 4030006880 S.CERAMIC C1608 JB 1H 472K-T...

  • Page 33: Pll Unit

    [MAIN UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 7030003860 S.RESISTOR ERJ3GE JPW V L3024 6190001550 COIL MC138-E544GN-110272 7030003860 S.RESISTOR ERJ3GE JPW V L3026 6200003260 S.COIL NL 322522T-101J 7030003860 S.RESISTOR ERJ3GE JPW V L3028 6200003260 S.COIL NL 322522T-101J 7030003860 S.RESISTOR ERJ3GE JPW V L3035 6200003430 S.COIL NL 322522T-R10J...
  • Page 34 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω R3077 7030003430 S.RESISTOR ERJ3GEYJ 821 V (820 C3001 4030008320 S.CERAMIC C1608 UJ 1H 470J-T Ω R3079 7030003800 S.RESISTOR ERJ3GEYJ 105 V (1 M C3002 4030006880 S.CERAMIC C1608 JB 1H 472K-T Ω R3080 7030003650 S.RESISTOR ERJ3GEYJ 563 V (56 k...

  • Page 35: Filter Board

    [PLL UNIT] [PA UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C3097 4030006880 S.CERAMIC C1608 JB 1H 472K-T J4601 6510000370 CONNECTOR MR-DS C3098 4030006920 S.CERAMIC C1608 CH 1H 010C-T C3099 4030006860 S.CERAMIC C1608 JB 1H 102K-T C3100 4030006880 S.CERAMIC C1608 JB 1H 472K-T F4601 5220000210 HOLDER FH-052S...
  • Page 36 [FILTER BOARD] [FILTER BOARD] ORDER ORDER DESCRIPTION DESCRIPTION L4331 6180000900 COIL LAL 03NA 101K C4351 4010005850 CERAMIC HM95SJ SL 181J 500V L4332 6140003580 COIL LR-399 (3.5%) C4352 4010005370 CERAMIC HM11SJ SL 331J 500V L4333 6140002290 COIL LR-242L4334 C4353 4010005820 CERAMIC HM74SJ SL 121J 500V L4334 6180000900 COIL...

  • Page 37: Pa150W Board

    [FILTER BOARD] [PA150W BOARD] ORDER ORDER DESCRIPTION DESCRIPTION RL4307 6330001570 RELAY AJS1315 IC4001 1110002030 IC TA7808S RL4308 6330001570 RELAY AJS1315 IC4002 1110000960 S.IC NJM4558M-TE1 RL4309 6330001570 RELAY AJS1315 IC4003 1170000290 S.IC PS2701-1-F3 RL4310 6330001570 RELAY AJS1315 IC4004 1170000290 S.IC PS2701-1-F3 RL4311 6330001570 RELAY AJS1315 RL4312 6330001570 RELAY...
  • Page 38 [PA150W BOARD] [PA150W BOARD] ORDER ORDER DESCRIPTION DESCRIPTION Ω R4049 7010000281 RESISTOR PSN1/4V 180 S4001 6910006900 THERMAL OHD-3 110M Ω R4050 7010000411 RESISTOR PSN1/4V 2.2 k S4002 6910000050 THERMAL OHD-3 50M Ω R4051 7030000340 S.RESISTOR MCR10EZHJ 470 (471) Ω R4052 7030000150 S.RESISTOR MCR10EZHJ 12 (120)

  • Page 39: Reg Board

    [REG BOARD] [VR1 BOARD] ORDER ORDER DESCRIPTION DESCRIPTION IC8001 1110003070 S.IC µPC494GS-E1 R2401 7210002540 VARIABLE TP96N937-15F-10KB-1540 IC8002 1110001820 S.IC µPC1093T-E1 IC8003 1170000290 S.IC PS2701-1-F3 J2401 6510018391 CONNECTOR 06FE-BT-VK-N Q8001 1560001180 S.TRANSISTOR 2SK2266 Q8003 1510000800 S.TRANSISTOR 2SA1213-Y (TE12R,C) EP2401 0910044832 PCB B 4367B D8002 1790001360 DIODE...
  • Page 40 [PLL-A UNIT] [PLL-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω L3004 6150004250 COIL LS-471A (C-14922) R3061 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 k Ω L3005 6150004250 COIL LS-471A (C-14922) R3062 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 k Ω L3007 6200003260 S.COIL NL 322522T-101J R3063 7030003340 S.RESISTOR...
  • Page 41 [PLL-A UNIT] [PLL-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION Ω R3191 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 k C3091 4030007130 S.CERAMIC C1608 CH 1H 101J-T Ω R3193 7030003430 S.RESISTOR ERJ3GEYJ 821 V (820 C3092 4030006880 S.CERAMIC C1608 JB 1H 472K-T Ω R3194 7030003460 S.RESISTOR ERJ3GEYJ 152 V (1.5 k...
  • Page 42 [CHASSIS UNIT] ORDER DESCRIPTION MF1001 2710000520 FAN SB0812H-ICOM-00 [Others] 2710000570 FAN VFA-8018-BH10-1000 [GMDSS] W1003 8900006220 CABLE OPC-539 W1012 8900006082 CABLE OPC-567B EP1001 6910013480 E.OTHER MGB12-07B [ALARM BOARD] (except [GEN-21]) ORDER DESCRIPTION LOCATION IC5001 1130007800 S.IC S-7116AF-TF 25.5/6.2 Q5001 1530002690 S.TR 2SC4116-GR (TE85R) 23.9/10.5...

  • Page 43: Logic Unit

    8210012192 1632 front panel-1 [GMDSS] W1012 8900006082 Cable OPC-567B MP2802 8310035581 1632 window plate MP2803 8930035591 1632 3-key-1 MF1001 2710000520 Fan SB0812H-ICOM-00 [Others] MP2804 8930035600 1632 4-key 2710000570 Fan VFA-8018-BH10-1000 [GMDSS] MP2805 8930035610 1632 14-key MP2806 8930035640 1632 power key...
  • Page 44 [PA PARTS] [MAIN UNIT] REF. ORDER REF. ORDER DESCRIPTION QTY. DESCRIPTION QTY. F4601 5220000210 Holder FH-052S 8510000230 220 shield case F4602 5220000210 Holder FH-052S 8510000241 220 shield case cover -1 F4603 5210000090 Fuse FGB 30A 8510002200 VCO case F4604 5210000090 Fuse FGB 30A 8510000230 220 shield case...
  • Page 45 [GEN-21], [GEN-22], [EUR-21] versions MP4611 MP4635 MP4639 MP4640 (C): CHASSIS PARTS MP4636 (P): PA UNITS (PA): PA150W BOARD MP4609 (F): FILTER BOARD (R): REG BOARD (M): MAIN UNIT (PL): PLL UNIT W1012 MP1003 MP4636 W1012 MP1029 F7001(R) MP4631 MP4602 MP1045 MP1030 MP1051 F7002 (R)
  • Page 46 [GEN-23], [EUR-22] versions MP4611 MP4635 MP4639 MP4640 MP4636 (C): CHASSIS PARTS MP4609 (P): PA UNITS (PA): PA150W BOARD (F): FILTER BOARD (R): REG BOARD (M): MAIN UNIT (PL): PLL-A UNIT W1012 MP4636 MP1003 MP1029 MP1047 W1012 MP1056 MP1046 F7001(R) MP4602 MP4646 (P) MP1051 MP1045...
  • Page 47 SECTION 7 SEMI-CONDUCTOR INFORMATION • TRANSISTOR AND FET’S • DIODES 2SA1037K WT R 2SA1213 Y 2SA1586 GR 2SB1015 Y 2SC1623 L6 1SS55 1SS133 1SS165 1SS184 1SS226 (Symbol: FR) (Symbol: NY) (Symbol: SG) (Symbol: L6) (Symbol: Green line) (Symbol: Yellow line) (Symbol: Green line) (Symbol: B3) (Symbol: C3)
  • Page 48 SECTION 8 BOARD LAYOUTS 8-1 LOGIC UNIT • TOP VIEW TX FREQ 2182kHz /RESET MODE ALARM FUNC TUNE SPEAKER DIMMER Add "2000" to each indicated part number NOTE: on the unit for the actual number. 8-2 SENSOR1/2 BOARDS 8-3 MIC BOARD 8-4 VR1 BOARD 8-5 VR2 BOARD •...
  • Page 49 • BOTTOM VIEW (LOGIC UNIT) J2003 to MAIN unit J23 J2008 PTTE MICE to MIC board J2302 J2002 to MAIN unit J16 J2007 to FRONT SP2801 J2012 J2011 J2009 J2010 to VR1 board J2401 J2013 HVO/GND 1 J2016 to VR2 HV/13S board J2501 from TERMINAL...
  • Page 50 8-6 MAIN UNIT • TOP VIEW from REG board P8002 [EUR-21] /from TERMINAL 13.6 board J7001 P4001 [GEN-21], [GEN-22] from PA150W board J4001 from LOGIC /from LOGIC REMOTE P4302 unit J2002 unit P2004 (DSC) NBDP from FILTER [GEN-23], [EUR-22] board J4302 ACC1 ACC2 CLONE...
  • Page 51 • BOTTOM VIEW (MAIN UNIT) 8 - 4...
  • Page 52 8-7 PLL UNIT (for [GEN-21], [GEN-22], [EUR-21]) • TOP VIEW J3007 P3001 to MAIN unit J3 to MAIN unit J9 P3003 Add "3000" to each indicated part number P3002 NOTE: to MAIN unit J5 on the unit for the actual number. to MAIN unit J4 8 - 5...
  • Page 53 • BOTTOM VIEW (PLL UNIT) 8 - 6...
  • Page 54 8-8 PLL-A UNIT (for [GEN-23], [EUR-22]) • TOP VIEW J3007 J3008 P3001 to LOGIC to MAIN unit J3 unit J2016 to MAIN unit J9 MP3016 P3003 Add "3000" to each indicated part number P3002 NOTE: to MAIN unit J5 on the unit for the actual number. to MAIN unit J4 8 - 7...
  • Page 55 • BOTTOM VIEW (PLL-A UNIT) 8 - 8...
  • Page 56 8-9 PA150W BOARD J4003 • TOP VIEW to MAIN from TERMINAL board unit J22 P4301 from FILTER board J4301 EP11 MP5 C81 EP14 EP14 PA unit MP4645 EP10 EP12 Add "4000" to each indicated part number NOTE: MP4003 MP4003 to MAIN on the unit for the actual number.
  • Page 57 • BOTTOM VIEW (PA150W BOARD) Add "4000" to each indicated part number NOTE: on the unit for the actual number. 8 - 10...
  • Page 58 8-10 FILTER BOARD P4301 to PA150W board J4002 J4303 to MAIN unit J19 P4302 P4601 Add "4300" to each indicated part number NOTE: to MAIN unit J2 from PA150W board J4601 on the unit for the actual number. 8 - 11...
  • Page 59 8-11 TERMINAL BOARD PA unit PA unit PA unit W4603 F4601 F4602 to MAIN unit J32 [GEN-21], [GEN-22] J7001 /to LOGIC HVO/HV 2 unit J2013 [GEN-23] /to REG board P8001 [EUR-21], [EUR-22] EP7008 EP7006 [GEN-23] P7001 EP7009 to PA150W [EUR-22] board EP4009 to LOGIC F7001...
  • Page 60 8-12 REG BOARD [EUR] only 8-13 ALARM BOARD except [GEN-21] • TOP VIEW • TOP VIEW Vertical J5001 to MAIN unit J29 J5002 to MAIN P8001 P8002 unit J32 [EUR-21] to TERMINAL to MAIN HVO/HV 13.6/13S board J7001 /to LOGIC unit J30 unit J2013 [EUR-22]...
  • Page 61 • BOTTOM VIEW (ALARM BOARD) • BOTTOM VIEW (REG BOARD) Vertical Add "5000" to each indicated part number NOTE: on the unit for the actual number. 8 - 14...
  • Page 62 SECTION 9 BLOCK DIAGRAM MAIN UNIT LA1150N 2SK210 DTC114EU 2SC4116 HSM88ASR NOISE NOISE CTRL 2SK2171 SSB FI2 FL-30 [GEN] RL4317 30 MHz 2SC4116 FI1a FL-80 [EUR] AGP2013 FBR22D12P FL-120 XTAL XTAL GATE 2 MHz CTRL AM FI3,FI4, FL-116×2 30 MHz 1.6 MHz DTA114EU 89.0115 MHz...
  • Page 63 SECTION 10 VOLTAGE DIAGRAMS 10-1 FRONT UNIT R2401 J2401 J2011 TP96N937-15F-10KB-1540 VOLUME DS2001 DS2002 DS2003 HRT-3290 HRT-3290 HRT-3290 DIMMER ON : 11V DIMMER OFF: 0V DIMMER ON : 10V DIMMER OFF: 0V VOLE VOLE Q2002 VOLE VOLE 2SC1623 R2086 Q2011 VR1 BOARD DIM1 DTC114EK...
  • Page 64 10-2 MAIN UNIT TX: 7.9V L116 L130 100µH 100µH from PA150W LR-18 board J4001 from FILTER 5.6µH 4.7µH 0.047 100µH 560µH 100µH LR-270 board J4302 LS-463A 0.001 Name 3SK131 24-29.9999 12.5 270p 13.8 20-23.9999 12.5 MA862 MA862 2SC4673 18-19.9999 12.5 82µH TX1.1V BAND...
  • Page 65 L127 100µH 100µH LA1150N IC22b C115 R258 R257 R256 C250 R277 C259 R293 C265 120p 220p LS-466 Q131 C118 IC20 2SC4116 0.4V NJM4558M LS-466 C243 R281 R287 DTC114EU HSM88ASR 3.3k IC22 C249 BU4001BF HSM88ASR R261 2.2M 2SC4116 R285 DTA114EU IC20a 4.7k RX: 0.25V IC22c...

  • Page 66: Alarm Board

    C270 R325 DET0 IC21 NJM4558M H3E8 R345 10k R297 1SS301 Q118 R746 100k J5002 R306 2SC4116 PR08 12T01 [GMDSS] R5004 R346 C279 [GMDSS] [GMDSS] J5001 C267 R5007 180k 1SS301 Q5001 0.47 Q124 2SC4116 DTC114EU R747 C604 R5005 C5001 R344 IC38b 0.47 100k TONE...
  • Page 67 10-3 PLL UNIT (for [GEN-21], [GEN-22], [EUR-21]) P3001 J3007 L3021 R3220 R3087 L3016 R3092 L3022 J3001 to MAIN R3086 R3223 LW-25 100µH 100µH unit J3 R3200 RV-156 R3199 L3045 PFSK 10µH IC3005 STB2 R3140 STB2 LC7153M D3005 R3221 2.2M STB1 R3141 STB1 1SS226...
  • Page 68 10-4 PLL-A UNIT (for [GEN-23], [EUR-22]) P3001 J3007 R3086 L3021 R3087 L3016 R3092 L3022 J3001 to MAIN LW-25 100µH 100µH unit J3 R3200 1.5k R3199 L3045 PFSK 10µH IC3005 LC7153M STB2 R3140 STB2 D3005 STB1 R3141 STB1 1SS226 7.6V C3092 L3024 CON2 R3142...
  • Page 69 10-5 PA150W, TERMINAL, FILTER AND REG BOARDS TX: 1.5V TX:0.65V R4052 C4068 C4079 R4050 C4071 C4003 LR-381[GMDSS] J4002 J4001 J4301 RL4301 RL4302 0.0047 100p 2.2k C4006 0.01 R4006 68 L4005 EXC-ELDR25C R4016 2.2 300p LR-148[Other] P4301 AJS1315 AJS1315 TX: 0.65V L4345 L4302 L4303...
  • Page 70 Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Phone : +44 (01227) 741741 Fax : +44 (01227) 741742 : http://www.icomuk.co.uk Icom (Australia) Pty. Ltd. E-mail : info@icomuk.co.uk A.B.N. 88 006 092 575 290-294 Albert Street, Brunswick, Victoria, 3056, Australia Icom France S.a...
  • Page 71 S-14109HZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan C 2004 Icom Inc.

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