Icom IC-M604A Service Manual - Page 46

12-3 AF UNIT 54 J5 SB4P-HVQ-A 1 2 3 4 VCC VCC GND GND TO MAIN UNIT J6 B3B-ZR-SM4-TF 1 2 3 VOL1 VOL2 GND TO VR UNIT W1 OPC-1186 HV VCC PWRON 8V R8 S5V VCC AF C266 0.1 PCK PDATA EPSTB EP3 BLM11B221SB EP2 BLM11B221SB 1 2 3 STRU 4 AFSUB 5 INCMH 6 INCHM 7 8 STR V+ D OE CLK Q5 Q1 Q6 Q2 Q7 Q3 Q8 Q4 Q'S GND QS 16 15 14 13 12 11 10 9 HAILOUT FOGC HAILIN MIC/DSC IC17 BU4094BCFV C274 0.001 EPOE R21 10K C273 0.001 HV AF PWRON S5V 8V R8 C281 470P AF SCOUT BEEP RMUTE OPSTB MICM FOG DATAH2M DATAMH2 DATAMH1 J1 28FLT-SM2-TB AF AF GND GND 21 43 65 87 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 GND HV SP- SP- DSC OPTIN SCON DATAMN DATANM EPOE PWRON EPSTB DATAH1M TO LOGIC UNIT J2 OPC-1200 J7 B2B-PH-SM4-TB 1 2 TO FRONT UNIT W1 OPC-1658 C52 0.0022 C53 470P D8 MA8062 EP8 MMZ1608Y301C MIC MICG MICIN J11 B2B-PH-SM4-TB 1 2 MIC MICG TO CHASSIS UNIT W7 OPC-1212 J2 10FMN-BMTTR-A-TBT 1 2 3 4 5 6 7 8 9 10 GND DET GND MOD HLVL PDATA PCK R8 S5V 8V TO MAIN UNIT J2 OPC-1197 C279 470P MOD R91 1K R92 2.2K C89 0.033 C278 0.001 C277 0.001 C276 0.001 C275 0.001 S5V 8V R8 HLVL PDATA PCK C12 0.01 C11 47P R34 560K R36 2.7K C46 10 R39 1K C41 0.1 SVA R35 180K R33 330 R8 R31 C42 C43 8.2K 0.027 0.027 R32 8.2K C51 1 TX: 0V RX: 5.86V Q12 2SC4116 R37 R38 33K 33K C44 0.0022 C47 1 Q11 2SC4116 C50 1 R54 1M Q13 2SJ144 C48 1 C45 560P R40 2.2K R41 100K R42 100K INCMH AFSUB R43 470K C49 0.0039 MUTE-ON: 4.97V MUTE-OFF: 0V RMUTE DSC IC8 M5218AFP 8 V+ GND 4 STRU VBIAS C91 0.1 C90 0.01 R83 1M R82 1M R81 1M C82 0.1 VBIAS C94 10 C93 0.1 C92 0.01 R88 150K R84 82K 6 7 5 IC8 M5218AFP C87 82P C85 0.001 C86 0.0039 R90 82K R89 82K IC8 M5218AFP R87 120K 1 3 2 C84 22P R86 1M R85 8.2K C83 0.1 R94 1M C95 0.1 Q18 2SK1069 R95 22K R96 2.7K AF UNIT Explanatory notes VOLTAGE LINE TX LINE RX LINE COMMON LINE SCOUT R44 1M R45 1M R46 1M C55 0.1 SPS1 SPS2 MICS1 MICS2 HV PWRON VCC 8V R8 TX: 0V RX: 4.93V S5V AF C267 0.1 PCK EPSTB 1 2 3 4 5 6 7 8 STR D CLK Q1 Q2 Q3 Q4 GND V+ OE Q5 Q6 Q7 Q8 Q'S QS 16 15 14 13 12 11 10 9 HLC RCV SP IC18 BU4094BCFV VOLI2 HAILOUT FOGC HAILIN MIC/DSC INCHM VBIAS IC4 BU4066BCF 1 2 3 4 5 6 7 I/O1 VDD O/I1 CONT1 O/I2 CONT4 I/O2 I/O4 CONT2 O/I4 CONT3 O/I3 VSS I/O3 14 13 12 11 10 9 8 MICIN TX: 4.97V RX: 0V EPOE HLC R47 1M R48 1M R51 2.7K R52 1M C58 0.01 C59 0.1 C64 1 R17 22K R16 1M C32 0.01 BEEP C27 0.001 R1 10K C26 10 C25 0.01 C19 470P C18 470P C24 0.1 C23 10 Q2 DTC144EU RCV Q1 2SB1132 R2 2.2K RMUTE R12 10K R13 10K R11 10K D5 DAP202K Q7 2SC3326 C31 1 C56 0.1 FOGC HAILIN R50 47 R49 47 HV HV C10 470 CA 4.97V S5V IC2 TA78L05F O I G 8V 8.02V 8V IC1 TA7808S O I G PWRON VCC Q3 DTC144EU VCC R4 10K R3 2.2K Q4 2SA1577 RL1 FTR-P3CP012W1 13.70V C5 470P C4 0.01 D1 DSA3A1 C3 47P C2 0.001 C1 47P J9 HV OP-10 W1 OPC-1175 J10 GND OP-10 HV To CHASSIS UNIT GND C9 47P C8 0.001 C7 47P C6 0.001 1SS355 D2 C22 0.1 C21 10 AF INTERNAL SP-ON: 4.87V INTERNAL SP-OFF: 0V D7 1SS355 RL2 FTR-F3AA012E C39 470P Q9 AF 2SC4116 R20 18K R18 22K C34 470P IC3 LA4425A C33 EP4 1 MMZ1608Y301C 1 5 2 3 C40 47P C30 47P C29 47P R19 4.7 R314 470 R315 470 VCC C28 47P 4 C37 470 C35 0.1 C36 470 EP7 MPZ1608S221A SP- C38 0.1 S5V R56 47 C60 0.01 VBIAS R55 1M R53 1M IC5 BU4066BCF 1 2 3 4 5 6 7 I/O1 VDD O/I1 CONT1 O/I2 CONT4 I/O2 I/O4 CONT2O/I4 CONT3O/I3 VSS I/O3 14 13 12 11 10 9 8 HAILOUT C63 0.1 C61 1 R57 470K R316 47K R317 R318 33K 1 35 4 1 2 IC20 NJM2107F S5V VCC 13.68V C270 47P C207 1000 C272 0.001 C271 0.001 VCC VCC S5V R197 8.2K 8 V+ GND 4 IC9 M5218AFP VCC R201 18K R198 18K R199 33K C202 0.1 IC9 M5218AFP 5 7 6 R203 820K 3 2 IC9 M5218AFP 1 R202 4.7K R211 1K IC10 TA8225LQ STBY TJDET NF2 IN+ PREGND IN- NF1 EMGDET RIP VCC1 OUT1 BS1 PW-GND1 PW-GND2 BS2 OUT2 VCC2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 C208 0.01 C211 47 C212 220 C209 100 R212 68 C210 100 C213 220 R213 3.3K R214 3.3K R215 68 C214 0.001 W6 2P-SZN SP+ SP- 1 2 TO CONNECT UNIT J5 OPC-1203 OPTION C229 0.01 C217 0.001 R218 33K C215 R217 0.047 1 C216 R216 0.047 1 R323 0 HLVL HLC DATANM DATAMN S5V S5V C200 3.3 R205 15K IC14 NJM2107F 35 4 1 2 R204 33K IC11 M5222FP 1 2 3 4 OUT1 IN1 COM GND VCC OUT2 IN2 VC 8 7 6 5 R210 10K R207 10K R208 10K C204 1 R206 100K HLC C206 3.3 C201 0.1 R219 10K D11 1SS355 Q21 2SC4116 VCC HAIL+ HAIL- J8 B02B-EH-S 1 TO 2 CHASSIS UNIT W2 OPC-1176 RL3 FTR-F1 COMMAND MIC-ON: 13.16V COMMAND MIC-OFF: 13.56V Q51 2SB1143 CVCC R209 27K C219 0.1 C205 0.1 C301 10 R302 1.5K R307 R306 R305 R310 R309 R308 R303 4.7K IC19 TC7S14FU S5V 5 1 2 4 3 S5V Q23 DTC144EU R223 47K C220 0.1 C221 0.01 R221 6.8K C225 0.01 R224 4.7K IC12 PC357N6J000F C222 0.0047 VCC S5V R222 470 D12 1SS355 Q22 2SC4081 R225 12 NMEAIN+ NMEAIN- NMEAOUT+ 27 27 27 R301 470 Q53 2SD1664 Q52 2SD1664 27 27 27 R226 100K D14 MA8062 D13 DA204K R59 FOG 100K R60 10K MICM 27 R304 4.7K R313 R312 R311 C228 0.001 C227 0.01 IC7 BU4066BCF 1 2 3 4 5 6 7 I/O1 VDD O/I1 CONT1 O/I2 CONT4 I/O2 I/O4 CONT2 O/I4 CONT3 O/I3 VSS I/O3 14 13 12 11 10 9 8 S5V MICO DET R71 47 C81 0.1 R80 1M R79 1M R76 1M DET MICI VBIAS C79 0.1 C80 0.01 8 V+ GND 4 IC6 M5218AFP R72 18K 3 1 2 R75 18K IC6 M5218AFP C78 12P R74 470K R73 8.2K C77 0.0022 R61 47 S5V RRXDA1 S5V R230 10 R231 1K Q24 2SK1069 S5V R233 1K R232 47K C72 10 C71 0.001 R62 8.2K C73 0.1 EP6 MMZ1608Y301C VBIAS 2.75V R67 18K R64 56K R63 15K 7 5 IC6 6 M5218AFP C76 47P R68 C75 18K 0.22 R69 1M C97 0.1 DATAMH1 DATAH1M DATAH2M DATAMH2 R261 1K R260 10 RRXDA2 S5V Q28 2SK1069 C251 0.01 R262 47K R263 1K OPTIN SCON R97 10K J3 53307-1471 S5V GND OPTIN SCON GND GND GND 1 3 5 7 9 11 13 2 4 6 8 10 12 14 PCK PDATA OPSTB MICI DETI MICO DETO C96 0.1 C262 1 C263 0.001 EP5 C98 MMZ1608Y301C 0.1 C265 0.001 MICS1 MICS2 SPS2 SPS1 R268 1M R269 1M R270 1M 1 14 2 13 3 12 4 11 5 10 Q25 2SC4081 R244 4.7K C237 0.01 R245 47 RTXDA1 Q26 2SA1576 IC13 BU4584BFV 8 9 7 6 R264 4.7K S5V Q29 2SC4081 R265 47 Q30 2SA1576 RTXDA2 IC16 BU4066BCF 1 2 3 4 5 6 7 I/O1 VDD O/I1 CONT1 O/I2 CONT4 I/O2 I/O4 CONT2 O/I4 CONT3 O/I3 VSS I/O3 14 13 12 11 10 9 8 C254 0.01 R267 47 R271 1M R275 1M R272 1M R277 R276 1.5K 12K CVCC J4 20FLT-SM2-TB CVCC CVCC GND NMEAIN- RRXDA1 GND RTXDA2 MICG GND 21 43 65 87 10 9 12 11 14 13 16 15 18 17 20 19 CVCC CVCC NMEAIN+ NMEAOUT+ RTXDA1 AF/MIC1 RRXDA2 AF/MIC2 GND TO CONNECT UNIT J4 OPC-1128 R274 R273 1.5K 12K C260 1 C282 0.22 C261 1 C283 0.22 27 27 12 - 3 43 43