![background image](http://html2.mh-extra.com/html/icom/ic-7851/ic-7851_servise-manual_4153040157.webp)
9-14
120P
C1194
1SV307
D1232
100U
L1031
100
R1454
10K
R1173
3.3U
L1253
0.33U
L1355
0.56U
L1331
39P
C1215
18P
C1315
1SV307
D1352
0.68U
L1311
100
R1115
0.1
C1285
0
R1084
47
R1117
3.3U
L1254
1.5k
R1042
82P
C1237
56P
C1121
NTCG16
R1076
10k
R1077
1.8U
L1294
0.1
C1383
120
R1181
0.1
C1454
0.0015
C1009
120
R1183
LR-488
L1171
10P
C1298
1SV307
D1312
33P
C1242
47
R1182
TXB6
0.1
C1072
270
R1071
0.1
C1453
1K
R1031
0.1
C1113
C1105 8P
C1103 2P
C1101 2P
270
R1112
6P
C1373
1.5U
L1314
0.001
C1206
2.7k
R1113
0.01
C1176
10k
R1116
0.1
C1181
0.001
C1041
0
R1088
0
R1120
0.1
C1078
330P
C1219
1SV307
D1252
0.01
C1172
0.1
C1122
0
R1111
1.8U
L1111
0.61U
L1375
1K
R1014
18k
R1039
22k
R1041
0.1
C1031
0.5P
C1360
0.1
C1225
10
C1048
0.1
C1265
22P
C1357
KTC2875
Q1072
2.2
C1079
33P
C1300
1k
R1078
0.1
C1365
1.8U
L1293
1SV307
D1212
UNASBSH
39P
C1276
0.1
C1456
0
R1461
0.68U
L1315
22P
C1282
560P
C1231
6P
C1381
1.2U
L1271
12P
C1362
1K
R1033
10
R1174
27P
C1256
0.82U
L1332
270P
C1018
22P
C1317
0.1
C1273
-12V
470
R1274
220P
C1284
470
R1273
470
R1254
12
R1252
LR-414
L1101
7P
C1120
12
R1232
0.1
C1305
0.82U
L1333
470
R1253
27P
C1260
120P
C1261
470
R1234
470
R1233
0.001
C1036
J1471
0.68U
L1353
0.033
C1400
47P
C1319
1SV307
D1372
0.033
C1396
0.1
C1401
2.2U
L1251
120P
C1331
12
R1272
0.1
C1345
100P
C1274
180
R1312
2.2K
R1135
15P
C1118
33
R1311
180
R1313
39P
C1216
82U
L1393
560
R1034
0.1
C1393
2.2U
L1255
#617DB
L1141
180P
C1311
#617DB
L1142
1SV307
D1451
2577
MP1082
1
2
3
4
1K
R1455
0.1
C1006
LR-358
L1083
1
C1472
LR-528
L1082
330P
C1198
1000U
L1042
120P
C1257
18U
L1433
18U
L1432
33P
C1341
12U
L1434
1K
R1013
47U
L1431
0.047
C1443
180P
C1440
15P
C1320
0.0039
C1442
22P
C1363
0.0022
C1441
1k
R1251
10
C1074
TXB2
6.8U
L1234
47P
C1312
TXB1
2.5P
C1379
1SV307
D1167
2SC5551A
Q1451
3.9U
L1191
47P
C1218
56
R1134
0.82U
L1334
2.7U
L1273
2.7U
L1274
22P
C1359
100P
C1366
1SV307
D1191
10 CE-LH
C1044
150
R1452
1SV307
D1166
39P
C1222
18
R1472
220P
C1291
0
R1371
390P
C1010
4.7
R1177
4.7K
R1043
470
R1178
1.5U
L1313
47
R1048
100P
C1371
82P
C1384
0.001
C1191
0.33U
L1351
68
R1462
1.5U
L1312
100
R1463
100
R1464
8P
C1318
33
R1046
100U
L1033
68K
R1044
100P
C1047
R1050 ERJ3GE-JPW
47P
C1323
6P
C1380
10K
R1056
27P
C1201
15P
C1352
2.7K
R1051
330P
C1212
FL-348
FI1101
1
IN
2
OUT
3
GND
4
GND
5
6
1K
R1006
0.01
C1417
1SV307
D1331
1.2U
L1275
15P
C1316
330P
C1224
330P
C1203
7P
C1358
0.1
C1372
100K
R1453
J1031
390P
C1244
1SV307
D1231
0.1
C1043
6P
C1376
330P
C1195
TXIF
5.6U
L1213
18P
C1342
220P
C1286
0.68U
L1352
0.15U
L1113
33P
C1297
12U
L1193
330P
C1266
0.1
C1193
220P
C1271
150P
C1264
470
R1171
LR-494
L1453
33P
C1296
5.6K
R1057
5.6U
L1212
0.1
C1173
0.1
C1205
12U
L1192
180P
C1234
330P
C1214
0.1
C1293
8.2
R1392
18P
C1344
68P
C1304
330P
C1223
1
C1391
10K
R1063
33
R1395
0.0039
C1420
0.0068
C1424
22P
C1361
470P
C1175
0.001
C1416
120P
C1239
0.01
C1419
0.0068
C1414
100
R1011
150P
C1263
0.01
C1418
10P
C1102
22P
C1275
1
C1412
22P
C1278
0.1
C1033
18
R1412
220
R1435
220
R1415
33P
C1235
220
R1390
33P
C1337
1SV307
D1211
0.68U
L1354
390U
L1391
47P
C1339
DMG564010
Q1492
1
2
3
4
5
6
100P
C1351
100P
C1283
390U
L1411
390P
C1232
10P
C1340
0.1
C1177
DMG564010
Q1491
1
2
3
4
5
6
0.1
C1012
0.1
C1171
TXB7
27P
C1255
330P
C1221
100
R1002
270
R1473
4.7K
R1032
Q1171
2SC5501A
5.6U
L1214
47P
C1302
100
R1012
0.1
C1333
3.9U
L1195
J1461
0.01
C1423
15P
C1364
10P
C1377
22P
C1354
10K
R1047
27P
C1197
4.7U
L1211
0.01
C1439
100U
L1032
TXB9
0.0027
C1425
0.1
C1014
1
C1392
1SV307
D1291
15P
C1236
47P
C1324
1
C1165
0.61U
L1373
180P
C1243
100
R1168
6.8U
L1233
0.15U
L1114
0.001
C1192
47
R1179
0.61U
L1374
0.1
C1032
0.01
C1421
47P
C1295
100
R1055
100
R1035
0.1
C1213
0.0022
C1016
1K
R1005
220
R1169
0.1
C1313
1SV307
D1272
1SV307
D1165
180P
C1326
3SK294
Q1041
100U
L1165
95N
L1372
150P
C1254
2.5P
C1375
0.1
C1452
DRIV
8.2
R1165
47P
C1199
0.1
C1461
0.1
C1167
56P
C1119
18P
C1142
1SV307
D1371
1SV307
D1332
33P
C1343
390P
C1415
0.1
C1042
TXB10
0.1
C1427
0.001
C1046
TXB4
56U
L1412
270
R1411
0.1
C1116
82P
C1279
56U
L1413
27P
C1262
120P
C1346
270
R1413
39P
C1280
4.7U
L1215
47P
C1314
TRVST
47
R1414
390U
L1401
1
C1428
18
R1432
47U
L1414
1SV307
D1412
1
C1432
10K
R1004
2.7U
L1272
270
R1433
470
R1025
100K
R1475
L2SC4081
Q1021
18P
C1335
33P
C1301
47
R1434
330
R1401
MON
LS-484B
L1112
470P
C1433
0.1
C1024
12P
C1355
8P
C1455
390P
C1435
270
R1431
10K
R1026
2.2K
R1021
560P
C1226
0.0047
C1436
0.1
C1353
180P
C1196
0.1
C1022
150P
C1252
0.0047
C1437
0.0047
C1434
68
R1024
2.2K
R1023
560P
C1246
1k
R1211
0.1
C1021
560P
C1211
10 CE-LH
C1023
18
R1292
1k
R1191
3.9K
R1022
TXB0
TXB11
TXB5
TIFFS
1SV307
D1271
270
R1293
1
C1444
270
R1294
10P
C1258
0.1
C1001
1SV307
D1432
0.001
C1438
1k
R1231
1SV307
D1431
1SV307
D1411
10K
R1052
470P
C1017
PT8V
56P
C1238
NJM5534MD
IC1001
2
3
6
1
8
5
NJM5534MD
IC1011
2
3
6
1
8
5
22P
C1306
1.8K
R1053
390P
C1008
NJM5534MD
IC1001
V+
7
V-
4
NJM5534MD
IC1011
V+
7
V-
4
1SV307
D1471
0.01
C1426
33P
C1334
100
R1058
1.8K
R1060
22P
C1019
22P
C1005
TXB3
0.01
C1151
33P
C1277
10P
C1336
0.01
C1154
ALC
18
R1159
18
R1152
0.1
C1004
270
R1151
2.2U
L1231
270
R1158
270
R1160
330P
C1251
270
R1153
10 CE-LH
C1003
10K
R1061
680
R1156
2.7K
R1456
330
R1154
1.2K
R1155
4.7
R1157
47P
C1303
2.2U
L1151
10U
L1152
0.1
C1153
4.7K
R1172
82P
C1299
MT3S20P
Q1151
18P
C1161
27P
C1156
1SV307
D1311
7P
C1160
220P
C1272
12P
C1157
0.001
C1204
12P
C1155
LQW18ANR12G00D
L1154
12U
L1194
6.8U
L1232
LQW18AN68NG00D
L1155
LQW18AN68NG00D
L1156
39P
C1220
0.001
C1152
2.2U
L1235
82P
C1145
33P
C1281
0.15U
L1145
3.3U
L1252
10 CE-LH
C1013
TA4107F
IC1031
1
LO1
2
VCC
3
RF2
4
RF1
5
IF1
6
IF2
7
GND
8
LO2
56P
C1149
0.1U
L1144
100P
C1147
0.5P
C1356
1SV307
D1251
0.1
C1168
12P
C1148
22P
C1321
8.2
R1166
39P
C1143
0.56U
L1335
56N
L1143
100U
L1452
47P
C1146
100P
C1144
15P
C1240
LDTC114EE
Q1061
LDTC114EE
Q1452
J1081
LDTC114EE
Q1471
DMG564010
Q1022
1
2
3
4
5
6
100U
L1451
0.01
C1422
1.0U
L1291
1.0U
L1295
0.001
C1117
0.1
C1233
0.001
C1111
10 CE-LH
C1002
1k
R1314
0.01
C1413
0.001
C1131
0.001
C1451
0.1
C1325
+15V
1.8U
L1292
1k
R1372
T8V
68P
C1292
47
R1073
1k
R1351
0.1
C1053
18P
C1332
1k
R1331
100
R1075
0.1
C1253
330
R1451
0.1
C1051
NTCG16
R1040
R1062 2.2K
1SV307
D1351
TC7W53FK
IC1051
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
10 CE-LH
C1034
0.1
C1052
100
R1059
180P
C1200
2177
MP1143
1
2
3
4
0.1
C1055
TXB8
10P
C1338
100U
L1041
1k
R1271
0.01
C1054
TC7W53FK
IC1052
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
+5V
1k
R1291
18P
C1322
820P
C1007
95N
L1376
100
R1054
150P
C1259
1K
R1003
1SV307
D1292
47P
C1294
CFWS455D
FI1051
I
O
0
R1192
18
R1352
CFWS455IT
FI1052
I
O
2.7K
R1072
270
R1354
270
R1353
0.1
C1073
0.1
C1045
270
R1334
270
R1333
J1151
18
R1332
0
R1212
0.1
C1075
100
R1399
120P
C1076
0.1
C1182
120
R1393
8.2
R1391
R1074
EVM3VBE4 22K
22
R1396
33
R1394
LS-554
L1071
100
R1001
10
R1397
0.001
C1058
270
R1471
10
R1398
39P
C1397
10
C1399
10 CE-LH
C1015
10
C1395
LR-489
L1173
0.1
C1398
-8V
0.1
C1394
0.1U
L1392
18
R1082
270
R1083
BGA2869
IC1392
6
2
4
3
5
1
270
R1081
330P
C1217
BGA2866
IC1391
6
2
4
3
5
1
BF999
Q1071
1SV307
D1392
1SV307
D1391
BF999
Q1111
1SV307
D1192
100U
L1166
0
R1085
0.1
C1035
HSMS-2829
D1081
1
3
4
2
HSMS-2829
D1141
1
3
4
2
1
C1473
15P
C1159
82P
C1241
15P
C1158
22K
R1045
220
R1176
120P
C1202
150
R1474
390U
L1454
120
R1167
1
C1166
0.1
C1457
0.1
C1411
0.1
C1245
0.1
C1431
J1131
TIFFS
TXB7
TXB1
TXB9
TXB8
TRVST
TXB5
ALC
TXB10
TRVST
ALC
TXB2
TXB4
TXB8
TXB3
DRIV
DRIV
TXB6
TXB0
TXB11
PT8V
PT8V
TIFFS
TXB1
TXB0
+15V
TXB0
TXB1
TXB5
TXB4
TXB6
TXB7
TXB9
TXB10
TXB2
TXB3
UNASBSH
UNASBSH
ALC
TXB11
MAIN-6
MAIN-6
MAIN-3
MAIN-1
[T2LO]
TO LOCAL J4201
[SCPT]
TO SCOPE J13
[T1LO]
TO LOCAL J3302
[T3LO]
TO LOCAL J2201
[PAI]
TO PA200W J1
[TRVTX]
TO CONNECT J162
MAIN UNIT (MAIN-4)
14.9
0
0.3
3.1
0
Selected
Not selected
13.4 V
0 V
8.9
0
5.4
5.4
*:
Refer to the PARTS LIST for the value and name of component.