Icom IC-7410 Service Manual - Page 92

• MAIN UNIT (MAIN-1) MAIN-2 CIV CIVE START KEY IKEY# ISTA THRI_ PWRK_ LTXD LRXD FRES PTRAS PSENI C1021 0.01 C1022 0.01 R1023 1M R1024 47k R1025 100k 3R3V 3R3V D1001 KDS4148U 18k 6 R1002 5 R1003 4 10k R1001 0 1 R1004 2 12k R1005 3 CI-V Q1001 DMG504010 3R3V C1001 0.1 IC1001 1 8 2 7 3 6 4 5 R1006 100k R1007 100k 3R3V 3R3V CRXD/CBSY P24 CTXD P23 47k TC7WH04FU Q1021 KRC402 3R3V 5V 3R3V 3R3V R1021 1k 1k R1022 D1021 D1022 AH-3/AH-4 ESTA P16 EKEY P17 TCON P22 KDS122 KDS122 R1042 47k R1044 47k 3R3V 3R3V 1k R1041 AT-180 3R3V IC1041 1 5 2 3 4 0.1 C1041 SN74AHC1G04DCK H3R3V 3R3V IKEY P32 ISTA P30 THRI P93 R1043 22k R1062 47k R1063 47k 47k R1064 47k R1066 R1061 1k PWRK P52 LTXD P50 LRXD P51 FRES PA0 PTRAS PF6 PSENI PF0 CP1067 CP1204 CP1063 CP1064 CP1065 CP1066 R1220 47k 47k 47k R1215 R1216 CP1081 CP1082 MFMTL VOXL MP1XL MP1YL 3R3V 3R3V KDS122 KDS122 R1207 D1203 D1204 1M 1M R1208 R1210 1M R1212 1M C1202 0.01 C1204 0.01 R1201 1k R1203 1k R1213 0 R1214 0  H3R3V C1081 0.1 IC1081 1 2 A0 3 A1 4 A2 VSS 8 VCC 7 WP 6 SCL 5 SDA R1EX24064ATA00A 22k 10k R1081 R1082 P34 P35 R1217 R1218 47k 47k RES H3R3V  H3R3V C1205 10 C1206 0.01 3R3V H3R3V 100k R1234 C1212 10 C1213 0.01 CP1233 CP1201 MFMTL 47k VOXL 47k MP1XL MP1YL R1223 R1224 DX1M THRI BEEP STON 47k R1225 LTXD LRXD PWRK IKEY ISTA JPG4 JPG5 JPG6 JP53 EDT ECK FZRX FZTX 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 CP1101  HV R1102 22k R1101 56k R1103 10k H3R3V RESET IC1101 1 OUT 2 VDD 3 VSS CD 5 4 NC S-80928CNMC  RES C1102 0.027 R1104 2.2k C1101 0.1 R1121 R1122 R1123 R1124 R1125  H3R3V 4.7k 4.7k 4.7k 4.7k 4.7k H8S/2374 JTAG H3R3V J1121 10 9 8 7 6 5 4 3 2 1 D1121 KDS4148U JPG4 PG4 JP53 P53 WDTOVF WDTOVF JPG5 PG5 JPG6 PG6 RES R1126 R1127 R1128 H3R3V H3R3V J1122 1 CP1121 2 FZRX_ 3 FZTX 4 FZRS CF20 5 6 FZMD 7 8 9 10 47k 47k 47k FZRX FZTX FZRS FZRX P33 FZTX P31 H8_MD2 H8_MD2 MD2 FZTAT C1207 0.1 C1208 0.1 C1209 0.1 C1210 0.1 C1211 0.1 H8_MD2 1 2 VBUS 3 4 H8_A0 5 H8_A1 6 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 CP1231 CP1232 DSKY R1230 47k R1241 47k C1215 10P C1216 10P H8_RD# H8_HWR# H8_D15 H8_D14 H8_D13 H8_D12 H8_D11 H8_D10 H8_D9 H8_D8 P45 3R3V 0.1 C1161 IC1161 REFL MP1Y2 MP1YL VDL IDL 1 2 3 4 5 6 Y0 Y2 Y Y3 Y1 7 INH 8 VEE VSS VDD X2 X1 X X0 X3 A B 16 15 HTHML 14 ALCL 13 12 FORL 11 IPDL 10 9 TC74HC4052AF MP1XL P44 MPSA P60 MPSB P61 MP1Y2 HTHML C1214 0.1 H3R3V R1219 180 CP1202 CP1203 SENI X1201 CR-755 PTRAS XPWS DRESX TRAS PSENI NSQM MPSB MPSA FORL REFL ALCL IDL VDL IPDL R1181 47k R1182 10k C1173 C1174 C1175 C1176 C1177 C1178 10 10 0.01 0.01 0.01 0.01 R1168 1k CP1166 R1185 47k R1167 1k HTHML_ C1169 0.01 MA2S7280G D1173 R1171 220 R1172 220 R1173 1k R1174 1k R1175 1k R1176 1k D1174 KDS4148U R1187 270k 2 1 3 IC1163 NJM4558M R1191 100k R1180 10 ALCL_ IDL_ VDL_ IPDL_ REFL_ R1183 0 6 D1175 7 5 KDS4148U IC1163 NJM4558M R1186 100k R1184 10 FORL_ MAIN-2 MAIN-6 MAIN-2 R1189 100 C1180 0.1 R1188 100 C1179 0.1 H3R3V D1281 KDS4148U P80 VBUS R1284 47k VBUS_ C1281 0.01 R1283 82k P94 P95 PH1 BEEP STON UPWS PF7 PF1 P15 P14 PC5 SENI TRAS EXRLS SKYS RTKI 8V  8 V+ GND IC1163 4 NJM4558M  UMSQS MSQLS ASQLS -12V R1285 R1286 R1287 47k 47k 47k R1281 47k 47k R1282 R1301 4.7k R1303 4.7k R1305 4.7k 3R3V R1288 1k BEEP STON UPWS SENI TRAS EXRLS SKYS_ RTKI 3R3V D1282 KDS122 3R3V UMSQS MSQLS ASQLS CP1261 CP1208 R1221 4.7k IC1201 H D64F2370VFQ34V 3R3V 220k 72 71 70 R1239 69 68 R1240 220k 67 CP1227 66 CP1228 65 CP1229 64 63 CP1230 3R3V 62 61 100k R1232 60 100k R1233 59 UDRXD 58 CP1205 57 DSPR 56 DSPCK 55 CRXD/CBSY 54 ) 53 CTXD TCON 52 MDAT 51 MCK 50 49 EKEY 48 ESTA 47 EXRLS 46 SKYS 45 PST 44 PSL 43 PDAT 42 41 PCK C1217 40 39 0.1 WDTOVF 38 H8_CS7# 37 ) X3R3V CP1207 R1222 4.7k C1261 0.1 C1262 0.1 C1263 0.1 C1264 0.1 C1265 0.1 C1266 0.1 C1267 0.1 X3R3V HRXS CP1209 TXS MSQLS ASQLS UMSQS ANTS HTXS CP1215 ISET MSTB ASTB 1 I/O2 2 NC 3 I/O2/GTS1 4 I/O2/GTS2 5 VCCINT 6 I/O2 7 NC 8 I/O2 9 I/O2 10 I/O2 11 I/O2 12 I/O2 13 14 I/O1 15 I/O1 16 I/O1 17 I/O1 18 I/O1 19 I/O1 20 NC 21 I/O1 22 GND 23 I/O1/GCK1 24 I/O1/GCK2 25 NC I/O1 DRESX PF2 IMS7 IMS6 IMS5 IMS4 IMS3 IMS2 IMS1 IMS0 IMR3 IMR2 IMR1 IMR0 IC1261 XC9572XL GND I/O2/GSR VCCINT I/O2 I/O2 I/O2 I/O2 I/O2 I/O2 I/O2 I/O4 I/O4 VCCIO I/O2 I/O4 I/O4 GND TDO I/O4 I/O4 NC I/O4 I/O4 I/O4 I/O4 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 TDO FRWT DRESD DRESH DRESL DULSM GND 75 I/O4 74 NC 73 I/O4 72 I/O4 71 70 I/O4 69 GND 68 I/O4 67 I/O4 66 I/O4 65 I/O3 64 I/O4 63 I/O3 62 GND 61 I/O3 60 I/O3 59 I/O3 58 I/O3 57 VCCINT 56 I/O3 55 I/O3 54 I/O3 53 I/O3 52 I/O3 51 VCCIO RSV0 IMRE3 IMRE2 IMRE1 IMRE0 H8_RD# PF5 CP1218 H8_CS7# PH3 CP1262 H8_D8 PD0 H8_D9 PD1 H8_D10 PD2 H8_D11 PD3 H8_A0 PC0 H8_A1 PC1 H8_A2 PC2 H8_D12 PD4 H8_D13 PD5 H8_D14 PD6 H8_D15 PD7 26 VCCIO 27 I/O1/GCK3 28 I/O1 29 I/O1 30 I/O1 31 GND 32 I/O3 33 I/O1 34 NC 35 I/O3 36 I/O1 37 I/O3 38 VCCIO 39 I/O1 40 I/O1 41 I/O3 42 I/O3 43 NC 44 GND 45 TD I 46 NC 47 TMS 48 TCK 49 I/O3 50 I/O3 H8_HWR# RASTB CCSTB CASTB PAASTB PASTB DCSRM DCSXM 36 35 34 33 32 R1236 30 220kR1237 31 29 R1235 28 27 26 25 24 23 22 21 20 19 18 16 17 14 15 13 12 11 10 9 8 H8_A2 7 PF4 CP10S CP1219 CP10S CP1220 TD I TMS TCK 220k 220k UPWS PWRS UDTXD HIFOP2K HIFOP1K FRES MHSK1 MHSK0 47k R1227 RTDM 47k R1226 VSQM R1238 UNLK RTKI CTFL DAVOX 47k R1231 CP1226 R1229 47k 47k R1228 100k R1261 4.7k C1268 20P H3R3V 3R3V X3R3V 5V HV CP1241 CP1242 CP1243 CP1244 H3R3V 3R3V X3R3V 5V HV TCK EMLE MAIN-2 MAIN-2 P20 P21 M STB ASTB RASTB MCK M DAT CCSTB CASTB PAASTB PASTB MCK M DAT MSTB ASTB RASTB CCSTB CASTB PAASTB PASTB R1311 4.7k R1312 4.7k R1313 4.7k P40 MFMTL P42 VOXL 3R3V MAIN-5 MFMTL VOXL 3R3V MAIN-3 DRESL DRESH DRESD D1332 KDS122 D1334 KDS122 DRESL DRESH DRESD 4.7k 4.7k 3R3V R1353 R1354 R1341 R1342 47k 47k PA2 HIFOP1K PA3 HIFOP2K PH0 PWRS PF3 XPWS HIFOP1K HIFOP2K PWRS XPWS R1351 47k CP1351 R1361 R1362 R1363 3R3V 4.7k 4.7k 4.7k TXS HTXS HRXS ANTS ISET 3R3V PC6 UNLK P10 P11 P12 P13 PCK PDAT PSL PST FRWT P25 P26 P90 DSPCK DSPR DX1M DCSRM DCSXM P64 P62 P63 PB0 DSKY NSQM VSQM PB2 RTDM PC3 PC4 PB4 PB5 DAVOX CTFL MHSK0 MHSK1 DULSM R1371 47k TXS HTXS HRXS MAIN-2 ANTS ISET UNLK PCK PDAT PSL PST FRWT DSPCK DSPR DX1M DCSRM DCSXM DSKY NSQM VSQM RTDM DAVOX CTFL MHSK0 MHSK1 DULSM 4.7k 47k 47k 47k 47k 47k 47k 1k 1k R1372 R1373 R1375 R1377 R1379 R1381 R1382 R1383 R1384 P83 UDRXD P81 UDTXD R1391 47k R1392 47k 3R3V UDRXD UDTXD 10 - 6