Icom IC-7851 Servise Manual page 118

• MAIN UNIT B-8110C
(TOP VIEW)
TO LOCAL J4201
TO LOCAL J3302
R1152 C1151
R1081 R1154
FI1101
R1083
R1157
C 1 1 3 5 L1151 C 1 1 4 5
C1149
C1155
C1156
C1157
L1144
L1155
L1083
C1120
L1114
MP558 MP557 C1161
C1116 C1143
R1158
R1115
C1166 R1167
R1159
L1112
R1165
MP1082 R1168
R989 C974
R988 R998
R990 R999 C973
R1084
D976
Q971
R971 R981 R982
R972 R975
MP1143
R941 R974 R973
R985
D971
R943 R942 R986
D941
R935
D952 R956 R957
C1076 C1073
R984 R983
C933
R1073
R933
C993
C2326 C2325 R2313 R2314
R1074 C1074
CP972 C917
C991 R961
D931 C2315
C1078
R2315 R2312
C1072 C992 D954
Q1072 R994 C2312
C2316
R1072 C1079 FI1052
C2314
R2326
L1042 L1041
C2328 C2327
R1062 R1048
R1061 C1046 R1047 C1043
C1055 C1048
R1050 C1047 R1043 Q2381
C2338 C2335 R2318 R2319
R1042
IC1052
IC1051
R1044 C2318 R2320 R2372
C2329
R1045 C2372
R2302 C2317
C2302
C2374
R2333
R1039 C1041
C2304
C2336 C2337
IC1031 IC2301
C1036
FI1051 R1056
C1035
J133
R1031
C1018 J133
C1021
R1014
C2357
R2355
C1017
R2354
C159
Q1021 C1016
C2356 EP158 EP159
C1022
EP156
EP157
R154
Q1022 C1019 EP155
C2358
R153
R152
C1010 R1006 C1002 C2347
EP149 EP150
R2345
EP147 EP148
R2344
C1009
EP146
R2363 C2346
EP143 EP144 C144
R1005 C1006 R2367
R1003 EP141 EP142
C1005 C2367 C2348
EP140
EP139
R136
R134
R2131
C2141
C2145
C2164
Q2023 Q2022 R2164
IC2131
C2157
C 1 2 8 3 1 2 C 9 3
C2163 C2136
C2135
C2185
C2174
C2168 C2189
R2153 R2174
R2154
C2158 R2187
R2189
C2153 C2173
R2001
C2011
C2015
C2044
Q2021 R2044
IC2001
C2037
C 0 2 8 0 C 0 2 9 0
C2043 C2006
C2005
C2065
C2054
C2048 C2067
R2033 R2054
R2034
C2038 R2067
R2069
C2033 C2053
6-13
D1411
D1391
C1393
L1413
C1427
C1412 C1420
C1473
R1391 C1400
L1411 R1473
R1395
C1401
IC1392 R1471
R1394
C1392 L1433
C1398 D1431
C1443 D1432
C1438
R1172 Q1471 R1463
L1431
C1176 C1444
C1171
D1451
R1292
C1296 C1300 C1452
L1292
C1297 C1301 L1294 D1292
C1167
Q1171 D1291
L1291
C1461
C1298 L1295
C1175
C1291 C1299
C1293 C1305 C1304 L1453
R1177 TO DIGISEL-B J2017
L1173 C1292
R1291 C1306
C1177 L1451
R1178 R1179
C1181 C1182
D1191
L1171 Q792
R1182 R1311 C1316 C1320 L1314 Q1452
L1312 D1312 Q1451
C1317 C1321
D1311
Q791
L1311
L1315
C1318
C1311
C1313 C1319
C1325 C1324
C1312
R1314 C1326
R1332 C1336 C1340 L1334 R720
D1331 L1332
D1332
C1337 C1341
L1331
C1338 L1335
C915
C1331 C1339
C1333 C1345 C1344
C1332
R1331 C1346
IC722 IC721
R1352 L1354
C1356 C1360
R919 L1352 D1352
C1357 C1361
D1351
L1351
L1355
C1358
C1351 C1359
C1353 C1365 C1364
TO LOGIC J1201
C1352
R1351 C1366
D1371
L1373
R1371 C1375 C1379 L1375
C902 C901 L1372
L1376
C1371
C1384 I 7 C 1 8 7 C I 2 8
C1383
R1372
C1372
TO VR-C J2
TO LOGIC J1251
J199
C831
C847
R872 R888
R868
R849 C848
C870 C867 C833
R2462
R714 R713 R710
R2233 C2235
R2235 C708
R2456 C2458
R2245
C2457 R2246
IC751
R2453 R2454
C2542 R2236
R2234 C2236
Q2541
C2196 C2193 R760
R2541 C2204
C2272 C705
R2273
C2198
R2203 R2204 R2205
R704
C2205 C706
Q2271 R2225
C2199 C2203 R761 C707
R2192 R2227
R2226
C2214
R2191
R2213 R2214 R2215
C2195 C2194
C2215 IC752
C2213
R2432 R762 R763
R2513
R2113 C2115
R2114
R2426 C2428
Q2511
R2125
C2427
R2126
R2423 R2424 R610 C607
R2117
C608 R607
R2263 R2116 C2116
C2076 C2073
R609 C609
C2084
Q2261 R605
C2078 R2083 R2084 R2085 C606 C605
C2085 R606 R603
R2105
C2079
C2083 R2107
R2072 R590 C587
C588 R587
C2094 R2106
R2071 R589
C589
R2093 R2094 R2095
C2075 C2074
C2095 R585
C585
C586
C2093
R586 R583
J121
J176
J31
D202
J171
EP201
J187
C22 C281 R281
C240
C238
R25 R288 R286 R284
C239
C23
R287 R285 R283
L4
C282 R282
R24
C4
C12 C15
C235
C6
R272
L5 C237
EP3
C233
EP2
EP1 C236
C266
F201 2A
R267
Q266
J1
C232
R251
D251
C234
J91
J91 Q253
C214
R256
R255 C220
C218
C219
R263 R261
R262
D261
R374 R314
R650 R649
C386 R264
C648 C382
R382
J61
J61 C215
C388
IC381
R271
C645 C387
C217
R644 R643
C380
C391 R385 2 C 8 9 R299 R300 3 C 1 0 C213
C389
R384 C393
C216
X381
X291
R669 R668 R667
R670 C666
C665 C482
R484
R482 R483
C212
C663 J198
C473 C471
R666 C664
R488 R489
R665 R664 R663 R486 C465
C484 C485
C486
R532 C526
R507 R505
R531 R529
C493
C492
R494
R492 R493
C461
C462
R508
C477 C475 R461 RL501
R506
R412
RL411 RL431
R527 R524 R496 R498 R499
R526 C525 C494 C495
R413
R435
R447 C446 L421
C438
R450 R449 R433 C431 R432 R414
R448
R451 RL421
C435
C425 R425
R446 R443 R423 C421 R422
C432 C422
R444
R445
C433 C423
C445
C434 C424
MP30
IC431 IC421
TO SW-A J105
EP202
EP203
[DC OUT]
EP239
EP241
EP240
[A ACC(2)]
EP235
EP232
EP233
EP237
[A ACC(1)]
EP234
EP238
C231
EP236
EP216
EP219
EP221
EP220
[B ACC(2)]
EP215
EP204
EP213
EP217
[B ACC(1)]
EP214
EP218
C211
R294
[USB]
EP413
[EXT-SP B]
EP411
R411
EP412
[EXT-SP A]