Icom IC-M802 Service Manual
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Icom IC-M802 Service Manual

Mf/hf marine transceiver
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SERVICE
MANUAL
MF/HF MARINE TRANSCEIVER
iM802

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Summary of Contents for Icom IC-M802

  • Page 1 SERVICE MANUAL MF/HF MARINE TRANSCEIVER iM802...
  • Page 2 This service manual describes the latest service information NEVER connect the transceiver to an AC outlet or to a DC for the IC-M802 MF/HF MARINE TRANSCEIVER at the time power supply that uses more than 16 V. This will ruin the transceiver.

  • Page 3: Table Of Contents

    RC-25............................... 6 - 1 6 - 2 SP-24 ............................... 6 - 1 6 - 3 HM-135 ..............................6 - 1 6 - 4 IC-M802 ..............................6 - 1 SECTION 7 SEMI-CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 - 1 HM-135 8 - 1 - 1 SW BOARD ..........................
  • Page 4 SECTION 1 SPECIFICATIONS • IC-M802 ‘ ‘ GENERAL • Frequency coverage 500 kHz–29.9999 MHz Receive 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 Transmit 18.0000–19.9999 MHz 22.0000–22.9999 MHz 25.0000–27.5000 MHz 2.1875 MHz, 4.2075 MHz, 6.3120 MHz, 8.4145 MHz, DSC receive 12.5770 MHz, 16.8045 MHz...
  • Page 5 • RC-25 Remote controller ‘ ‘ GENERAL : 600 Ω • Microphone impedance : More than 5 mW at 16 Ω headphone with 10 % distortion • Audio output power : 8–16 Ω • Audio output impedance • Usable temperature range : –20˚C to +55˚C;...
  • Page 6 LCD unit (DS8220: HLC770-018800) (DS8220: HLC7700-018800) SENSOR BOARD SENSOR BOARD Power amplifier Power amplifier (IC8270: TA7368F) (IC8270: TA7368F) • IC-M802 DSC 1st mixer (D2301: HSB88WS) DSC 2nd mixer (IC2701: TA4107F) PA UNIT MAIN UNIT MAIN UNIT DSP BOARD VARISTOR-2 BOARD...

  • Page 7: Receiver Circuits

    SECTION 3 CIRCUIT DESCRIPTION 3-1 RECEIVER CIRCUITS The IF amplifier (Q203) and resonator circuits are designed between the filter pair. The PLL output signal (1LO) enters 3-1-1 RF FILTER CIRCUIT (FILTER AND MAIN the MAIN unit via the J601 and is amplified at the 1st LO UNITS) amplifier (Q601).
  • Page 8 The level-shifted signal is applied to the DSP IC (IC301) for When receiving strong signals, the detected voltage increas- the digital IF filter, demodulator, automatic notch and noise es and the AGC1 voltage decreases. As the AGC1 voltage reduction, etc. is used for the bias voltage of the IF amplifiers (MAIN unit;...

  • Page 9: Transmitter Circuits

    3-2 TRANSMITTER CIRCUITS When the speech compressor function is ON, the level-shift- ed signal from the CODEC IC (IC501) is applied to the DSP 3-2-1 MICROPHONE AMPLIFIER CIRCUIT IC (IC301) and compressed at the DSP IC to obtain an aver- (RC-25, MAIN AND DSP UNITS) age audio level.
  • Page 10 3-2-5 RF CIRCUIT (MAIN, PA UNITS AND DRIVER • 2–2.9999 MHz signal The signal is applied to the relay (FILTER unit; RL7061) BOARD) which is controlled by the band control IC (MAIN unit; The RF circuit amplifies operating (transmitting) frequency IC3602) as the “L2M”...
  • Page 11 • 14–19.9999 MHz signal • SWR APC CIRCUIT (FILTER AND MAIN UNITS) The signal is applied to the relay (FILTER unit; RL7211) The reflected wave signal appears and increases on the which is controlled by the band control IC (MAIN unit; antenna connector.

  • Page 12: Pll Circuits

    3-3 PLL CIRCUITS The detected signal output from the PLL IC (pin 2) is con- verted into a DC voltage (lock voltage) at the loop filter and 3-3-1 GENERAL then fed back to one of the VCO circuits (Q5521, D5521, The PLL circuits generate a reference frequency (32.000 L5523).

  • Page 13: Dsc Circuits

    The AF signals from the microphone are amplified at the AF amplifier (IC8280) via the “MIC” signal. The signal is applied (MAIN AND DSP UNITS) to the IC-M802’s main unit through the J8903 via the “MI” The 2nd mixer circuit converts the 1st signal into a 2nd IF signal.

  • Page 14: Power Supply Circuits

    R13 regulator circuit (IC1303). The reset IC (IC8202) resets the FRONT CPU (IC8201) when IC-M802 is power ON or OFF. Common 8 V converted from the 13 V line and regulated by the +8 regulator circuit (IC1502).

  • Page 15: Port Allocations

    3-7 PORT ALLOCATIONS MAIN CPU (MAIN UNIT; IC3303)–continued 3-7-1 MAIN CPU (MAIN UNIT; IC3303) Port Port Description Description number name number name Outputs T8 regulator circuit (MAIN Outputs serial clock signal for the unit; Q1501) control signal. EEPROM (IC3301, pin 6). Outputs R8 regulator circuit (MAIN Input port for the SEND signal from ASEN...
  • Page 16 3-7-4 OUTPUT EXPANDER IC FOR BANDPASS FIL- 3-7-7 D/A CONVERTER IC (IC3606) TERS (IC3604) Port Description Port number name Description number name Outputs transmit power control signal. Outputs 0.5–1.999999 MHz bandpass The signal is applied to the ALC ampli- POCV filter control signal.
  • Page 17 3-7-8 FRONT CPU PORT ALLOCATIONS (RC-25, DISPLAY BOARD; IC8201) Port Description number name Outputs DISTRESS LED control sig- DSEL nal. Input port for the O switch. FUNK Input port for the [TX] switch. Input port for the [RX] switch. FCHK Input port for the [FREQ/CH] switch.
  • Page 18 SECTION 4 ADJUSTMENT PROCEDURES 4-1 PREPARATION When adjusting the contents on page 4-9, a JIG CABLE (see illustration as shown below) is required. Some adjustments must be performed on the “ADJUSTMENT MODE”. Entering the “ADJUSTMENT MODE”, see the next page. REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE...
  • Page 19 ENTERING THE ADJUSTMENT MODE 1 Turn the power OFF. 2 Push and hold the HM-135’s [DOWN] key, [TX] and [RX] buttons, then turn the power ON. NOTE: Inserting the 15 kΩ resistor between 2 pin and 6 pin of HM-135 works same as pushing and holding HM-135’s [DOWN] key (See the illustration on page 4-2).

  • Page 20: Pll Unit Adjustment

    4-2 PLL UNIT ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS VALUE UNIT LOCATION UNIT ADJUST LPL LOCK • Operating frequency : 0.5000 MHz Connect a digital multi 1.0 V C5305 VOLTAGE • Mode : J3E meter or oscilloscope • Receiving check point CP5301.
  • Page 21 • IC-M802 BOTTOM VIEW PLL unit • PLL UNIT TOP VIEW X5251 Reference frequency adjustment L5204 L5203 LPL lock voltage adjustment C5521 HPL lock voltage adjustment C5305 CP5401 LPL lock voltage adjustment HPL lock voltage check point P5201 Reference frequency check point...
  • Page 22 4-3 PA AND FILTER UNITS ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS VALUE UNIT LOCATION UNIT ADJUST IDLING • Operating frequency : 12.2350 MHz Rear Connect an ammeter 2.0 A R6304 CURRENT • Mode : J3E panel (10 A) between an (For drive •...
  • Page 23 • IC-M802 TOP VIEW R6412 Idling current adjustment (For final transistors) R6304 Idling current adjustment (For drive FETs) • FILTER UNIT BOTTOM VIEW • IC-M802 BOTTOM VIEW FILTER unit CP7331 (REF line) SWR detector check point CP7332 (FOR line) Connect to ground...

  • Page 24: Receiver Adjustments

    4-4 RECEIVER ADJUSTMENTS ”TOTAL GAIN”, “S-METER” and “DSC PEAK” adjustments must be performed at “ADJUSTMENT MODE”. MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS VALUE UNIT LOCATION UNIT ADJUST NOISE NULL • Operating frequency : 0.5 MHz Front Connect an AC milli- Minimum output MAIN L207 POINT...
  • Page 25 • IC-M802 TOP VIEW L208 L209 L307 L302 L301 L210 Receiver gain adjustment L2307 L2306 DSC peak adjustment L207 Noise null point adjustment • RC-25 FRONT PANEL [ENT] 4 - 8...

  • Page 26: Transmitter Adjustments

    4-5 TRANSMITTER ADJUSTMENTS The following adjustments must be performed at “ADJUSTMENT MODE” after “SWR DETECTOR” and “RECEIVER” ADJUST- MENTS in the SECTION 4-3 and 4-4. MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS VALUE UNIT LOCATION UNIT ADJUST TRANSMIT • While pushing HM-135’s DOWN key, Rear Connect an RF power Maximum out-...
  • Page 27 • IC-M802 TOP VIEW L706 Transmit peak and total gain adjustment • RC-25 FRONT PANEL [ENT] [CH] 4 - 10...

  • Page 28: Ic-M802

    SECTION 5 PARTS LIST 5-1 IC-M802 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION IC-M802 D104 1790001770 S.DIODE MA80WK-(TX) MAIN D105 1790000620 S.DIODE MA77 (TX) 1110004080 S.IC µPC2709T-E3 D106 1790001770 S.DIODE MA80WK-(TX) IC501 1110005460 S.IC TA4107F (TE12L) D107 1790001770 S.DIODE MA80WK-(TX) IC901 1110005460 S.IC...
  • Page 29 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION L102 6200002860 S.COIL NL 252018T-4R7J L801 6150004440 COIL LS-495 L103 6200002040 S.COIL NL 252018T-101J L901 6200002040 S.COIL NL 252018T-101J L104 6200003280 S.COIL NL 252018T-2R2J L902 6200002040 S.COIL NL 252018T-101J L105 6200002040 S.COIL NL 252018T-101J L903 6200002040 S.COIL...
  • Page 30 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ3GEYJ 390 V (39 Ω) ERJ3GEYJ 271 V (270 Ω) 7030003270 S.RESISTOR R714 7030003370 S.RESISTOR ERJ3GEYJ 151 V (150 Ω) ERJ3GEYJ 180 V (18 Ω) 7030003340 S.RESISTOR R715 7030003230 S.RESISTOR ERJ3GEYJ 151 V (150 Ω) ERJ3GEYJ 271 V (270 Ω) 7030003340 S.RESISTOR R716...
  • Page 31 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ3GEYJ 471 V (470 Ω) R1228 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R2105 7030003400 S.RESISTOR R1230 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 kΩ) R2106 7030003630 S.RESISTOR ERJ3GEYJ 393 V (39 kΩ) R1232 7030009930 S.RESISTOR ERJ3GEYJ 825 V (8.2 MΩ) R2107 7030003630 S.RESISTOR...
  • Page 32 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ3GEYJ 221 V (220 Ω) R3308 7030003360 S.RESISTOR 4030007110 S.CERAMIC C1608 CH 1H 680J-T ERJ3GEYJ 221 V (220 Ω) R3309 7030003360 S.RESISTOR 4030007120 S.CERAMIC C1608 CH 1H 820J-T ERJ3GEYJ 221 V (220 Ω) R3310 7030003360 S.RESISTOR 4030007150 S.CERAMIC C1608 CH 1H 151J-T...
  • Page 33 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C160 4030007170 S.CERAMIC C1608 CH 1H 221J-T C603 4030006880 S.CERAMIC C1608 JB 1H 472K-T C161 4030011600 S.CERAMIC C1608 JB 1E 104K-T C604 4030006860 S.CERAMIC C1608 JB 1H 102K-T C162 4030007160 S.CERAMIC C1608 CH 1H 181J-T C605 4030010760 S.CERAMIC C1608 CH 1H 331J-T...
  • Page 34 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C1303 4030011600 S.CERAMIC C1608 JB 1E 104K-T C1908 4030011600 S.CERAMIC C1608 JB 1E 104K-T C1304 4030011600 S.CERAMIC C1608 JB 1E 104K-T C1910 4030006880 S.CERAMIC C1608 JB 1H 472K-T C1305 4030011600 S.CERAMIC C1608 JB 1E 104K-T C2001 4510006850 S.ELECTROLYTIC ECEV1CA4R7NR (16V 4.7) C1306 4030011600 S.CERAMIC C1608 JB 1E 104K-T...
  • Page 35 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C2504 4030009910 S.CERAMIC C1608 CH 1H 040B-T W2226 7030000010 S.JUMPER MCR10EZHJ JPW (000) C2701 4030011600 S.CERAMIC C1608 JB 1E 104K-T W2227 7030000010 S.JUMPER MCR10EZHJ JPW (000) C2702 4030011600 S.CERAMIC C1608 JB 1E 104K-T W2243 7030000010 S.JUMPER MCR10EZHJ JPW (000) C2703 4030011600 S.CERAMIC...
  • Page 36 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION L5005 6200009300 S.COIL ELJPA 100KF 10U R5117 7030007210 S.RESISTOR ERA3YEB 102V L5021 2040000490 COIL EXC-ELDR25C R5118 7030007230 S.RESISTOR ERA3YED 102V L5101 6200001830 S.COIL NL 322522T-100J R5119 7030007230 S.RESISTOR ERA3YED 102V L5202 6200003260 S.COIL NL 322522T-101J R5120 7030007230 S.RESISTOR ERA3YED 102V...
  • Page 37 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION R5704 7030007230 S.RESISTOR ERA3YED 102V C5021 4510004640 S.ELECTROLYTIC ECEV1CA470SP R5705 7030007230 S.RESISTOR ERA3YED 102V C5022 4030011600 S.CERAMIC C1608 JB 1E 104K-T R5706 7030007230 S.RESISTOR ERA3YED 102V C5023 4030011600 S.CERAMIC C1608 JB 1E 104K-T R5707 7030007230 S.RESISTOR ERA3YED 102V C5024 4510007510 S.ELECTOR...
  • Page 38 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C5357 4030006880 S.CERAMIC C1608 JB 1H 472K-T C5903 4030006880 S.CERAMIC C1608 JB 1H 472K-T C5401 4030011600 S.CERAMIC C1608 JB 1E 104K-T C5904 4030006880 S.CERAMIC C1608 JB 1H 472K-T C5402 4030006860 S.CERAMIC C1608 JB 1H 102K-T C5905 4030006880 S.CERAMIC C1608 JB 1H 472K-T C5403 4030006900 S.CERAMIC...
  • Page 39 [PA UNIT] [PA UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ3GEYJ 101 V (100 Ω) IC6501 1110005450 S.IC TS522IDT R6509 7030003320 S.RESISTOR IC6601 1180001250 S.IC TA7808F (TE16L) R6510 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) R6511 7030006111 S.RESISTOR ERA3YED 752V R6512 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) Q6101 1560001020 S.FET 2SK2973 (MTS101P)

  • Page 40: Filter Unit

    [PA UNIT] [FILTER UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C6708 4030006880 S.CERAMIC C1608 JB 1H 472K-T L7215 6200005010 S.COIL NL 252018T-100J C6801 4030011600 S.CERAMIC C1608 JB 1E 104K-T L7216 6140002290 COIL LR-242 (T68-10) L7217 6140002290 COIL LR-242 (T68-10) L7218 6140002290 COIL LR-242 (T68-10) RL6701 6330001470 RELAY AJS1311...

  • Page 41: Driver Unit

    [FILTER UNIT] [FILTER UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C7105 4010006410 CERAMIC HM13SJ SL 471J 500V RL7092 6330001570 RELAY AJS1315 C7106 4010005830 CERAMIC HM74SJ SL 151J 500V RL7121 6330001570 RELAY AJS1315 C7108 4010005370 CERAMIC HM11SJ SL 331J 500V RL7122 6330001570 RELAY AJS1315 C7121 4510005480 ELECTROLYTIC 50 MV 1 HC RL7151 6330001570 RELAY...
  • Page 42 EX-2432 [VARISTOR-1 BOARD] [DSP UNIT] ORDER ORDER DESCRIPTION DESCRIPTION D6431 1790001760 S.VARISTOR MA30-(TX) 1130010010 S.IC TC7WHU04FU 1130010540 S.IC SN74AHC74PWR 1130010540 S.IC SN74AHC74PWR C6431 4030008920 S.CERAMIC C1608 JB 1H 473K-T IC51 1130010010 S.IC TC7WHU04FU IC101 1130010520 S.IC SN74HCT244APWR IC102 1110004770 S.IC BU9480F-E2 EP6431 0910054761 PCB B 5746A...

  • Page 43: Dsp Unit

    [DSP UNIT] [DSP UNIT] ORDER ORDER DESCRIPTION DESCRIPTION R310 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C102 4510004630 S.ELECTROLYTIC ECEV1CA100SR R311 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C103 4030011600 S.CERAMIC C1608 JB 1E 104K-T R312 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) C104 4510004630 S.ELECTROLYTIC ECEV1CA100SR R313...

  • Page 44: Display Unit

    RC-25 [DSP UNIT] [FRONT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C757 4510006220 S.ELECTROLYTIC ECEV1CA101UP W8001 8900009531 CABLE OPC-942A (P=1 N=10 L=170) C758 4510004630 S.ELECTROLYTIC ECEV1CA100SR W8005 8900008860 CABLE OPC-875 (N:20 L:70) C801 4030006880 S.CERAMIC C1608 JB 1H 472K-T C802 4030006860 S.CERAMIC C1608 JB 1H 102K-T C901 4030006960 S.CERAMIC...
  • Page 45 [DISPLAY UNIT] [DISPLAY UNIT] ORDER ORDER DESCRIPTION DESCRIPTION R8223 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) C8210 4030006880 S.CERAMIC C1608 JB 1H 472K-T R8224 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) C8211 4030006880 S.CERAMIC C1608 JB 1H 472K-T R8225 7030003590 S.RESISTOR ERJ3GEYJ 183 V (18 kΩ) C8212 4030006880 S.CERAMIC C1608 JB 1H 472K-T...

  • Page 46: Connect Unit

    [DISPLAY UNIT] [VR UNIT] ORDER ORDER DESCRIPTION DESCRIPTION DS8321 5040002600 LED TLYU1002 R8901 7210002360 VARIABLE TP96N97-15F-10KB-1301 DS8322 5040002600 LED TLYU1002 DS8323 5040002600 LED TLYU1002 DS8340 5040002310 S.LED SML-311YTT86 EP8901 0910054742 PCB B 5730B DS8341 5040002310 S.LED SML-311YTT86 DS8342 5040002310 S.LED SML-311YTT86 DS8343 5040002310 S.LED SML-311YTT86...

  • Page 47: Sw Board

    HM-135 SP-24 [MAIN UNIT] [CHASSIS UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 7010006890 RESISTOR R20J 12 kΩ 2510001170 SPEAKER 077P0401 <KS> 7010006910 RESISTOR R20J 33 kΩ 7010006880 RESISTOR R20J 6.8 kΩ 7010006900 RESISTOR R20J 15 kΩ 8900011090 CABLE OPC-1104 4010008030 CERAMIC DD104 B 471K 50V 8930006760 M.OTHER SR-2P-4 7700002120 MICROPHONE KUC2123-030245...

  • Page 48: Main Board

    ORDER DESCRIPTION QTY. REF. ORDER DESCRIPTION QTY. 7700002120 Microphone KUC2123-030245 J8701 6510022440 Connector LTW-8MP-C J8702 6450001630 Connector HSJ1406-01-050 6-4 IC-M802 MP8201 8510014560 2545 shield case [CHASSIS PARTS] REF. ORDER [JACK BOARD] DESCRIPTION QTY. REF. ORDER J4501 6510000370 Connector MR-DS DESCRIPTION QTY.
  • Page 49 [ACCESSORIES] [MAIN UNIT] • IC-M802 REF. ORDER DESCRIPTION QTY. REF. ORDER DESCRIPTION QTY. J1451 6450000140 Connector HSJ0807-01-010 J1801 6450000170 Connector TCS4480-01-1111 J4002 6450001280 Connector TCP0587-71-5401 J2051 6510023180 Connector TCS7282-01-211 P4001 5610000290 Connector XMP-06V 0880000900 DSP board P4002 5610000300 Terminal BXA-001T-P0.6...

  • Page 50: Jack Board

    MP8020 (F) J8602 (J) J8061 (J) JACK BOARD MP8002 (F) MP8022 (F) MP8022 (F) MP8004 (F) W8001 (F) W8001 (F) W8005 (F) MP8008 (F) MP8201 (D) DS8220 (C) J8702 (D) MP8007 (F) J8701 (D) SENSOR BOARD MP8006 (F) DISPLAY BOARD S8801 (S) BOARD W8005 (F)
  • Page 51 MP2 (C) PLL UNIT MP4 (C) J5051 (P) W1 (C) MP4512 (C) Unit abbreviations (C): CHASSIS PARTS MP4513 (C) Unit abbreviations (C): CHASSIS PARTS (M): MAIN UNIT HM-135 IC-M802 MP4506 (C) (M): MAIN BOARD (P): PLL UNIT 6 - 4...
  • Page 52 SECTION 7 SEMI-CONDUCTOR INFORMATION • TRANSISTOR AND FET’S • DIODES 2SA1037AK S 2SA1213 Y 2SA1586 GR 2SC2873 Y 2SC4116 BL 1SS301 1SS322 1SS355 1SS375-TL DA221 TL (Symbol: FS) (Symbol: NY) (Symbol: SG) (Symbol: M) (Symbol: LL) (Symbol: B3) (Symbol: A9) (Symbol: A) (Symbol: FH) (Symbol: K)

  • Page 53: Main Board

    8-2-2 CONNECT BOARD • TOP VIEW • TOP VIEW • TOP VIEW 8-2 RC-25 J8602 8-2-1 JACK BOARD H13V • TOP VIEW 8-2-3 SENSOR BOARD to IC-M802 MAIN • TOP VIEW unit J2051 FAFG FMODG FMOD to DISPLAY board 8 - 1...

  • Page 54: Vr Board

    8-2-4 VR BOARD • BOTTOM VIEW (CONNECT BOARD) J8220 to DISPLAY board J8601 • BOTTOM VIEW (JACK BOARD) to DISPLAY board J8205 to DISPLAY board J8903 • BOTTOM VIEW (SENSOR BOARD) H13V FAFG FMOD FMODG 8 - 2...

  • Page 55: Display Board

    8-2-5 DISPLAY BOARD • TOP VIEW 1/NB 2/SQL 3/SCAN THRU/TUNE DISTRESS 4/SP 5/AGC 6/RF-G SET/MODE 7/Lo 8/Mid 9/Hi 0/DIM CANSEL /CALL e-mail CLAR/RX TXF/TX FREQ/CH HEAD PHONE J8701 PTTE MISW MICE 8 - 3...
  • Page 56 • BOTTOM VIEW (DISPLAY BOARD) J8902 J8903 J8205 to CONNECT to JACK board J8220 board J8601 PMUT PMUT to SENSOR board MICE PTTE MISW to VR board 8 - 4...

  • Page 57: Ic-M802

    8-3 IC-M802 8-3-1 DSP BOARD • TOP VIEW 8 - 5...
  • Page 58 • BOTTOM VIEW (DSP BOARD) MAIN unit J1102 J901 MAIN unit J1101 J902 DSPI1 DSPI1 DRES GND1 DRES GND1 KEYIN UNLK KEYIN UNLK DSPI2 DSPI2 GND1 GND1 GND1 GND1 OUT7 OUT8 OUT7 OUT8 OUT5 OUT6 OUT5 OUT6 OUT3 OUT4 OUT3 OUT4 AGC2 AGC1...

  • Page 59: Main Unit

    8-3-2 MAIN UNIT • TOP VIEW to FILTER board J7331 to PA unit J6701 J1301 J1901 P501 DSC ANT P7321 from CHASSIS J4503 from FILTER board J7321 J1101 GND1 192K J1102 GND1 GND1 DSPO2 IBSY DSPO1 GND1 GND1 AGC2 AGC1 OBSY STBO GND1...
  • Page 60 • BOTTOM VIEW (MAIN UNIT) 8 - 8...

  • Page 61: Filter Board

    8-3-3 FILTER BOARD P7321 to MAIN unit J51 • TOP VIEW from CHASSIS J4501 J7331 P7001 FLIN to PA unit J6401 to MAIN unit J1301 8 - 9...
  • Page 62 • BOTTOM VIEW (FILTER BOARD) 8 - 10...

  • Page 63: Pll Unit

    8-3-4 PLL UNIT P5601 P5801 D1LO M1LO to MAIN unit J2301 to MAIN unit J601 P5201 M2LO to MAIN unit J301 REMOTE AF/MOD J5081 J5071 J5051 J5001 to MAIN unit J3601 to MAIN unit J3602 8 - 11...

  • Page 64: Pa Unit

    8-3-5 PA UNIT to CHASSIS W4501 J6703 J6301 J6501 J6412 to DRIVER START to CHASSIS to FAN VARISTOR-2 DRVI board 13.6 W4502 board DRVI ANTC/GND J6302 P7001 J6701 DRVO FLIN from MAIN unit J1 from FILTER board J7001 DRVO J6411 to DRIVER board VARISTOR-1...

  • Page 65: Driver Board

    8-3-6 DRIVER BOARD • TOP VIEW 8-3-7 VARISTOR-1 BOARD VARI VARO 8 - 13...

  • Page 66: Varistor-2 Board

    • BOTTOM VIEW (DRIVER BOARD) to PA unit J6301 to PA unit J6302 8-3-8 VARISTOR-2 BOARD VARO 8 - 14...

  • Page 67: Block Diagram

    SECTION 9 BLOCK DIAGRAM IC152 IC-161 IC171 MAIN UNIT FILTER BOARD IC1002 Q501 D7271 TK11218CM BA033FP TK11250CM 455 kHz 64.455 MHz 64.455 MHz TS522ID 3SK131 1SS322 IC501 D302 Q201,Q202 BW=6 kHz BW=15 kHz BW=15 kHz 1.8V 3.3V BW=6 kHz 30 MHz TA4107F HSB88WS 2SK2171...

  • Page 68: Wiring Diagram

    SECTION 10 WIRING DIAGRAM IC-M802 J6301 J6401 FLIN DRVI J7001 J7321 P7321 DRVI FLIN J3001 J6302 FZBUSY FZCLK J7331 J1301 DRVO DRVO DRVI NMEI2 CHASSIS W4507 DRVO DRVO DRVI TRXS TRXS DRIVER BOARD to FLASH WRITER S13V S13L CHASSIS L22M...

  • Page 69: Voltage Diagrams

    SECTION 11 VOLTAGE DIAGRAMS 11-1 RC-21 and HM-135 CHASSIS UNIT W1 MICE(SHIELD) R8236 IC8290 D8250 R8253 12.9V R8254 TA7805F J8902 1SS355 6.8k FZ5V FZ5V L8270 FZRX FZRX IC8270 FZTX FZTX TA7368F Q8251 FZRS FZRS J8701 R8247 XP4601 POUT C8216 10 SW UNIT IC8250 PWGND...

  • Page 70: Ic-M802

    11-2 IC-M802 11-2-1 MAIN UNIT (1) MAIN UNIT(1) BUS LINE1 J301 2.77V from PLL M2LO 5.63V unit J5201 D101 D106 D104 D109 Q201 R204 470 L101 L118 C127 L112 L124 C138 C162 5.69V MA80WK MA80WK MA80WK MA80WK 2SK2171 D201 0.047 0.68...

  • Page 71: Main Unit (2)

    11-2-2 MAIN UNIT (2) MAIN UNIT(2) BUS LINE1 BUS LINE1 MAGC 1.39V L210 LS-483A L401 D302 D303 FI401 LS-542 R209 C217 D301 L301 L302 L304 R307 L305 L306 CFWM455H HSB88WS MA80WK 0.001 MA80WK LS-540 LS-540 LR-395 L303 LR-317 FI301a FI301b FL-315 FL-315 L207...

  • Page 72: Main Unit (3)

    11-2-3 MAIN UNIT (3) MAIN UNIT(3) BUS LINE1 L3602 HF50ACC322513-B J3601 L3601 HF50ACC322513-B H13P S13P S13P IC3101 R3101 AN78L05M IC3601 S13P BU4094BCF HV13 S13P PSEL UNLK UNLK PWRS R3017 PWRSR PDAT PDAT PDAT IC3201 TC7W04F PST1 PST1 PST1 PST2 PST2 PST2 IC3301 PST3...

  • Page 73: Pa Unit

    11-2-4 PA UNIT L6401 J6302 C6851 0.01 EXC-ELDR25C R6409 2.2 TX: 0.69V DRVO DRVO R6401 3.3 R6402 3.3 Q6851 PD55015 R6852 R6403 3.3 Q6401 SD1487 C6401 0.0068 DRIVER BOARD J6301 DRVI L6301 L6405 J6401 DRVI LR-416 LR-376 FLIN from FILTER board J7001 L6404 LR-400...

  • Page 74: Pll Unit (1)

    11-2-5 PLL UNIT (1) PLL UNIT(1) IC5902 TC7SU04F R5922 C5910 J5051 R5911 0.001 M2LO W5051 W5052 R5912 NSEND J5071 J5001 L5901 AF/MOD D5051 MSEN D2LO MA2S111 R5913 W5053 MOD- DSAF DSAFE M3LO W5054 MOD+ DSMD R5914 DSMDE PTMP ENAB REFS R5915 REFV DRES...

  • Page 75: Pll Unit (1)

    11-2-6 PLL UNIT (2) PLL UNIT(2) L5601 IC5802 CP5602 TC7SU04F R5822 C5810 R5811 0.001 C5618 C5611 L5603 L5604 M2LO R5601 J5601 R5403 P5601 0.0047 4.7k W5409 M1LO to MAIN 1.2k unit J601 R5812 L5801 C5613 C5615 R5613 Q5601 R5813 2SC4215 Q5603 C5606 2SC4215...

  • Page 76: Dsp Board

    11-2-7 DSP BOARD DSP BOARD 5.01V 3.36V #01:80ns #02:160ns 1.82V R151 2.6V SN74AHC74PW SN74AHC74PW 6.84V 4.07V #01:40ns #02:80ns 0.0047 #01:10.4 s L101 L102 7.61V 0.4V IC152 IC161 IC171 #02:20.8 s 2.3V IC101 BA033FP TK11218CM TK11250CM SN74HCT244APW C101 IC102 CONT CONT 3.3V BU9480F 0.9V...

  • Page 77: Filter Board

    11-2-8 FILTER BOARD RL7031 RL7032 AJS1315 AJS1315 L7036 LR-236 L7037 LR-226 L7038 LR-227 1.6-1.9999 MHz C7034 470p C7037 300p C7041 10p L7035 L7031 100 C7035 470p C7038 270p C7049 180p RL7061 RL7062 AJS1315 AJS1315 L7066 LR-263 L7067 LR-235 L7068 LR-236 2-2.9999 MHz C7066 330p C7074 270p...
  • Page 79 S-13901HZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan C 2002 Icom Inc.

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