Icom IC-M604A Service Manual - Page 43

SECTION 11 WIRING DIAGRAM W1 OPC-1175 HV GND 1 3 1 3 2 2 W2 OPC-1176 CHASSIS HAIL+ HAIL- J3 NMEAOUT+ 1 5 SP+ 6 NMEAOUT- 2 4 3 SPNMEAIN+ NMEAIN- J1 VCC1 AF/MIC1 MICG 1 7 2 8 6 3 5 4 ICF3 RRXDA1 RTXDA1 PTTC GND J6 KPWRH2 1 CMDPWR2 2 GND 3 GND 4 ICF3 5 CMDPWR1 6 1 2 3 4 5 6 J4 CVCC CVCC CVCC CVCC 20 19 18 17 GND NMEAIN+ NMEAINNMEAOUT+ RRXDA1 RTADA1 GND AF/MIC1 PTTC RRXDA2 RTXDA2 AF/MIC2 MICG GND GND 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J5 SP+ SP- 1 2 KPWRH2 J2 VCC2 AF/MIC2 MICG 1 7 RRXDA2 2 8 6 RTXDA2 3 5 4 PTTC GND CONNECT UNIT OPC-1128 1 KEY 7 SP- 1 7 2 MIC W7 8 SP+ OPC-1212 2 8 6 6 3 HANG MICG 4 GND J9 3 5 5 PTT 4 J10 J11 J8 1 2 HAIL+ HAIL- MICG MIC 2 1 J7 MIC 1 MICG 2 J6 VOL1 1 VOL2 2 GND 3 OPC-1659 J4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CVCC CVCC CVCC CVCC GND NMEAIN+ NMEAINNMEAOUT+ RRXDA1 RTADA1 GND AF/MIC1 PTTC RRXDA2 RTXDA2 AF/MIC2 MICG GND GND J3 W6 1 2 SP+ SP- OPC-1203 J2 8V 10 S5V 9 R8 8 PCK PDATA HLVL MOD NWC DET GND 7 6 5 4 3 2 1 J5 1 2 3 4 AF UNIT J1 GND 1 SCOUT HV 2 3 4 5 AF SPAF SPGND DSC BEEP OPTIN RMUTE SCON OPSTB DATAMN GND DATANM MICM EPOE FOG PWRON DATAH2M EPSTB DATAMH2 DATAH1M DATAMH1 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 J1 J2 1 2 3 4 5 6 7 8 9 10 8V S5V R8 PCK PDATA HLVL MOD NWC DET GND VCC VCC GND GND TEMP GND SQL WXDET DEC1 RXDDJ DEC2 GND S5V 8V GND PCK PDATA PSTB UNLK ATT1 ATT2 H/L TMUTE GND DADATA GND SEND TXDET GND GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 MAIN UNIT OPC-1197 OPC-1198 DETO GND MICO GND DETI GND MICI SCON OPSTB OPTIN PDATA GND PCK S5V OPC-1200 4 3 8 2 7 5 W1 OPC-1658 FRONT UNIT 6 PTT 5 GND 4 MICG 3 HANG 6 SP+ 8 MIC 2 SP- 7 KEY 1 W1 VR UNIT 1 2 3 VOL1 VOL2 GND OPC-1186 J6 6 5 4 3 2 1 KPWRH2 6 CMDPWR2 5 GND 4 GND 3 ICF3 2 CMDPWR1 1 J2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND SCOUT HV AF SPAF SPGND DSC BEEP OPTIN RMUTE SCON OPSTB DATAMN GND DATANM MICM EPOE FOG PWRON DATAH2M EPSTB DATAMH2 DATAH1M DATAMH1 J5 J4 6 5 4 3 2 1 6 5 4 3 2 1 SP+ SPHANG PTT GND KEY LOGIC UNIT S5V SQLV GND DIAL1 DIAL2 DIAL3 DIAL4 GND SP+ SPHANG PTT GND KEY 6 5 4 3 2 1 6 5 4 3 2 1 SP+ SP- J7 1 2 3 4 5 6 7 8 J1 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 TEMP GND SQL WXDET DEC1 RXDDJ DEC2 GND S5V 8V GND PCK PDATA PSTB UNLK ATT1 ATT2 H/L TMUTE GND DASTB GND SEND TXDET GND GND J8 GND CLK RXD TXD MD2 MD1 FWE RES L5V 1 2 3 4 5 6 7 8 9 11 - 1 SP1 SQL UNIT 1 S5V 2 SQLV 3 GND DIAL UNIT W1 1 2 3 4 5 1 2 3 4 5 DIAL1 DIAL2 DIAL3 DIAL4 GND OPC-1187 1