Service Manual
Page 2
...Be sure to rain, snow or any of publication. Equipment model name and unit name 4. Turn them slowly and smoothly. 4. Icom, Icom Inc. DO NOT expose the transceiver to include the following four points when ordering replacement parts: 1. 10-digit order numbers 2. ... force any liquids. DO NOT transmit power into a signal generator or a sweep generator. 7. Quantity required 1110003490 S.IC TA31136FN IC-M604 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC-M604 Top cover 10 pieces Addresses are provided on the inside back cover for all adjustments. 5. DO NOT short any...
...Be sure to rain, snow or any of publication. Equipment model name and unit name 4. Turn them slowly and smoothly. 4. Icom, Icom Inc. DO NOT expose the transceiver to include the following four points when ordering replacement parts: 1. 10-digit order numbers 2. ... force any liquids. DO NOT transmit power into a signal generator or a sweep generator. 7. Quantity required 1110003490 S.IC TA31136FN IC-M604 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC-M604 Top cover 10 pieces Addresses are provided on the inside back cover for all adjustments. 5. DO NOT short any...
Service Manual
Page 6
SECTION 2 2-1 IC-M604 • MAIN UNIT INSIDE VIEWS RF amplifier (Q1: 3SK294) 1st mixer circuit D11: HSB88WS L18: 617DB-1919=P3 L19: 617DB-1327=P3 TX/RX switch circuit (D42, D43*: MA77) RX VCO circuit Q12: PMBFJ310 D32, D33: HVC358B 2nd mixer (IC1: TA31136FNG) PLL IC (IC12: µPD3140GS) Reference... oscillator (X4: CR-827 15.3 MHz) • LOGIC UNIT Reset IC (IC2: S-80942CNMC-G9C) DIAL UNIT SQL UNIT VR UNIT 2 - 1 RF amplifier (for CH70) (Q7: 3SK294...
SECTION 2 2-1 IC-M604 • MAIN UNIT INSIDE VIEWS RF amplifier (Q1: 3SK294) 1st mixer circuit D11: HSB88WS L18: 617DB-1919=P3 L19: 617DB-1327=P3 TX/RX switch circuit (D42, D43*: MA77) RX VCO circuit Q12: PMBFJ310 D32, D33: HVC358B 2nd mixer (IC1: TA31136FNG) PLL IC (IC12: µPD3140GS) Reference... oscillator (X4: CR-827 15.3 MHz) • LOGIC UNIT Reset IC (IC2: S-80942CNMC-G9C) DIAL UNIT SQL UNIT VR UNIT 2 - 1 RF amplifier (for CH70) (Q7: 3SK294...
Service Manual
Page 20
...the Top side, B: Mounted on the Bottom side) S.=Surface mount 6 - 1 IC1 1140013650 S.IC IC2 1110005771 S.IC IC4 1140008650 S.IC IC5 1180002380 S.IC IC6 1130013200 S.IC IC8 1180000421 S.IC DESCRIPTION HD64F2633RF28 (FX-2577D) S-80942CNMC-G9CT2G HN58X2464TI S-817B33AMC-CWW-T2G TC74LCXR164245 (E F) TA78L05F (TE12)...62.2 B 114.3/63.5 B 110.7/63.5 B 128/51.9 [LOGIC UNIT] REF NO. SECTION 6 PARTS LIST • IC-M604 [REPLACEMENT UNITS] ORDER NO. DESCRIPTION 7030003360 S.RES 7030003360 S.RES 7030003360 S.RES 7030003330 S.RES 7030003330 S.RES 7030003700 S.RES 7030003640 S....
...the Top side, B: Mounted on the Bottom side) S.=Surface mount 6 - 1 IC1 1140013650 S.IC IC2 1110005771 S.IC IC4 1140008650 S.IC IC5 1180002380 S.IC IC6 1130013200 S.IC IC8 1180000421 S.IC DESCRIPTION HD64F2633RF28 (FX-2577D) S-80942CNMC-G9CT2G HN58X2464TI S-817B33AMC-CWW-T2G TC74LCXR164245 (E F) TA78L05F (TE12)...62.2 B 114.3/63.5 B 110.7/63.5 B 128/51.9 [LOGIC UNIT] REF NO. SECTION 6 PARTS LIST • IC-M604 [REPLACEMENT UNITS] ORDER NO. DESCRIPTION 7030003360 S.RES 7030003360 S.RES 7030003360 S.RES 7030003330 S.RES 7030003330 S.RES 7030003700 S.RES 7030003640 S....
Service Manual
Page 29
...[AF UNIT] REF. ORDER NO. ORDER NO. DESCRIPTION W6 8900011871 Cable OPC-1203A QTY. 1 [FRONT UNIT] REF. SECTION 7 MECHANICAL PARTS 7-1 IC-M604 [CHASSIS PARTS] REF. DESCRIPTION J1 6510004880 Antenna connector MR-DSE-01 QTY. 1 W1 8900015950 Cable OPC-1175A 1 W2 8900011460 Cable OPC-1176 1 W3...-ZC3 (BT) Screw B0 3 × 8 NI-ZC3 (BT) 2438 screw 2438 screw 2438 screw 2438 screw Screw M3 × 10 ZK3 O-ring (AD) 2577 IC clip 2577 IC plate Insulation plate (FQ) 2438 cap Thermally sheet (AI)-1 Screw B0 3 × 8 NI-ZC3 (BT) 1 [BLACK] 1 [GRAY] 1 1 1 1 1 1 1 1 1 7 3 6 6 2 2 2 8...
...[AF UNIT] REF. ORDER NO. ORDER NO. DESCRIPTION W6 8900011871 Cable OPC-1203A QTY. 1 [FRONT UNIT] REF. SECTION 7 MECHANICAL PARTS 7-1 IC-M604 [CHASSIS PARTS] REF. DESCRIPTION J1 6510004880 Antenna connector MR-DSE-01 QTY. 1 W1 8900015950 Cable OPC-1175A 1 W2 8900011460 Cable OPC-1176 1 W3...-ZC3 (BT) Screw B0 3 × 8 NI-ZC3 (BT) 2438 screw 2438 screw 2438 screw 2438 screw Screw M3 × 10 ZK3 O-ring (AD) 2577 IC clip 2577 IC plate Insulation plate (FQ) 2438 cap Thermally sheet (AI)-1 Screw B0 3 × 8 NI-ZC3 (BT) 1 [BLACK] 1 [GRAY] 1 1 1 1 1 1 1 1 1 7 3 6 6 2 2 2 8...