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Icom IC-V8000 manual

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Table of contents for the manual

  • Page 1

    SER VICE MANU AL VHF FM TRANSCEIVER 1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan S-13815IZ-C1 © 2002 Icom Inc.[...]

  • Page 2

    INTRODUCTION DANGER This service manual describes the latest service information for the IC-V8000 VHF FM TRANSCEIVER at the time of pub- lication. ORDERING P ARTS Be sure to include the following four points when ordering replacement parts: 1. 10-digit order numbers 2. Component part number and name 3. Equipment model name and unit name 4. Quantity[...]

  • Page 3

    SECTION 1 SPECIFICA TIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBL Y AND OPTION INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1 4-2 TRANSMITTER CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    1 - 1 ‘ ‘ GENERAL • Frequency coverage : *Specifications Guaranteed: 144–148 MHz only • T ype of emission : FM (F2D / F3E) • Frequency stability : ± 10 ppm (–10˚C to +60˚C; +14˚F to +140˚F) • T uning steps : 5, 10, 12.5, 15, 20, 25, 30 or 50 kHz • Antnna connector : SO-239 (50 Ω ) • Power supply requirement : 13.8 V DC (O[...]

  • Page 5

    SECTION 2 INSIDE VIEWS 2 - 1 • MAIN UNIT • LOGIC BOARD Reference oscillator (X1: CR-659) VCO circuit Antenna switching circuit (D12, D27: XB15A407, D19: XB15A308, D16: HVU131TRF) AF power amplifier (Q23: RD70HVF1) 1st IF filter (FI3, FI4: FL-310) 2nd IF filter (FI1: CFWS450F , FI2: CFWS450HT) EEPROM (IC5: HN58X2432TI) CPU (IC7: HD6433876B53H) S[...]

  • Page 6

    SECTION 3 DISASSEMBL Y AND OPTION INSTRUCTIONS 3 - 1 Cover MP10 Front panel Chassis MP9 MP6 MP15 J5 (MF1) J6 (SP7) Chassis Main unit MP6 MP6 MP7 MP4 J1 A • REMOVING THE COVER 1 Unscrew 4 screws, MP10. 2 Remove the cover in the direction of the arrow . • REMOVING THE FRONT P ANEL 1 Unscrew 3 screws, MP9. 2 Unplug J6 to separate front panel and c[...]

  • Page 7

    4 - 1 SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS 4-1-1 ANTENNA SWITCHING CIRCUIT (MAIN UNIT) Received signals passed through the low-pass filter (L44, L47, L48, L51, C190, C197, C203, C208, C210, C217, C218). The filtered signals are applied to the 1/4 λ type antenna switching circuit (D16, D19). The antenna swtiching circuit functions as[...]

  • Page 8

    4 - 2 The AF signals are applied to the AF power amplifier circuit (IC9, pin 1) to obtain the specified audio level. The amplified AF signals, output from pin 4, are applied to the internal speaker (CHASSIS UNIT ; SP1) via the speaker jack (J6) when no plug is connected to the external speaker jack (J1). 4-1-6 SQUELCH CIRCUIT (MAIN AND LOGIC UNITS)[...]

  • Page 9

    4 - 3 4-3 PLL CIRCUITS 4-3-1 PLL CIRCUIT (MAIN AND LOGIC UNITS) A PLL circuit provides stable oscillation of the transmit fre- quency and receive 1st LO frequency . The PLL output com- pares the phase of the divided VCO frequency to the refer- ence frequency . The PLL output frequency is controlled by the divided ratio (N-data) of a programmable di[...]

  • Page 10

    4 - 4 Pin Port Description number name Pin Port Description number name 4-5 PORT ALLOCA TIONS 4-5-1 CPU (LOGIC UNIT : IC7) 1 9 11 12 14 15 16 17 19 20 21 22 23 26 32–35 36–39 40 41 44 45 47 49–51 53 DETO RESET CSHIFT SCK SO PTT CLIN CLOUT NOIS COLOR DIM1 DIM0 REMO UNLK COM4– COM1 KR3– KR0 EXTMIC OPV2 PLLSTB PLLCK EXSTB OPV3 OPT1– OPT3 D[...]

  • Page 11

    4 - 5 Pin Port Description number name 2 3 10 11 , 2 3 14 15 22 MOD SQLA TT T1 T2, T3 SQLIN DTC FC Outputs transmit devetion control sig- nal. Outputs attenuator control signal. • Outputs tunable bandpass filter con- trol signal while receiving. • Outputs TX power control signal while transmitting. Output tunable bandpass filter control signals[...]

  • Page 12

    S.=Surface mount IC1 1 1 10002860 S.IC T A75S393F (TE85R) IC2 1 130004200 S.IC TC4S66F (TE85R) IC3 1 1 10005340 S.IC NJM12902V -TE1 IC4 1 1300091 10 S.IC S-80942ANMP-DD6-T2 IC5 1 130009680 S.IC HN58X2432TI IC6 1 130008090 S.IC BU4066BCFV -E1 IC7 1 140010400 S.IC HD6433876B53H (FX-2509A) IC8 1 130007570 S.IC BU4094BCFV -E2 Q1 1530002690 S.TRANSISTOR[...]

  • Page 13

    5 - 2 S.=Surface mount C5 4030007090 S.CERAMIC C1608 CH 1H 470J-T -A C7 4030006860 S.CERAMIC C1608 JB 1H 102K-T -A C8 4030006900 S.CERAMIC C1608 JB 1H 103K-T -A C9 4030006860 S.CERAMIC C1608 JB 1H 102K-T -A C10 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C1 1 4030006860 S.CERAMIC C1608 JB 1H 102K-T -A C13 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C14[...]

  • Page 14

    S.=Surface mount D10 1750000710 S.V ARICAP HVC350BTRF D1 1 1750000710 S.V ARICAP HVC350BTRF D12 1710001060 DIODE XB15A407 D13 1750000710 S.V ARICAP HVC350BTRF D14 1790000980 S.DIODE MA742 (TX) D15 1750000550 S.DIODE 1SS355 TE-17 D16 1710000870 S.DIODE HVU131TRF D17 1790000980 S.DIODE MA742 (TX) D18 1790001250 S.DIODE MA2S1 1 1-(TX) D19 1710001080 D[...]

  • Page 15

    5 - 4 S.=Surface mount R101 7030003720 S.RESISTOR ERJ3GEYJ 224 V (220 k Ω ) R103 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 k Ω ) R104 7030003740 S.RESISTOR ERJ3GEYJ 334 V (330 k Ω ) R105 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 k Ω ) R106 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 k Ω ) R107 7030003710 S.RESISTOR ERJ3GEYJ 184 V (180 k Ω [...]

  • Page 16

    S.=Surface mount C105 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C106 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C108 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A C109 4030006900 S.CERAMIC C1608 JB 1H 103K-T-A C1 1 1 4030009990 S.CERAMIC C1608 CH 1H 200J-T -A C1 12 4030007100 S.CERAMIC C1608 CH 1H 560J-T-A C1 13 4030006860 S.CERAMIC C1608 JB 1H 102K-T-A[...]

  • Page 17

    6 - 1 SECTION 6 MECHANICAL P ARTS AND DISASSEMBL Y REF . NO. ORDER NO. DESCRIPTION QTY . [CHASSIS P ARTS] [MAIN UNIT] W6 8900010980 Cable OPC-1 131 1 MP1 8410002380 2399 Heatsink 1 MP2 8510014470 2509 VCO case 1 MP3 8510014460 2509 VCO cover 1 REF . NO. ORDER NO. DESCRIPTION QTY . Screw abbreviations A0, B0, BT : Self-tapping NI-ZU: Nickel-Zinc ZK:[...]

  • Page 18

    INTRODUCTION DANGER This service manual describes the latest service information for the IC-V8000 VHF FM TRANSCEIVER at the time of pub- lication. ORDERING P ARTS Be sure to include the following four points when ordering replacement parts: 1. 10-digit order numbers 2. Component part number and name 3. Equipment model name and unit name 4. Quantity[...]

  • Page 19

    SER VICE MANU AL VHF FM TRANSCEIVER 1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan S-13815IZ-C1 © 2002 Icom Inc.[...]