![background image](http://html.mh-extra.com/html/icom/ic-7610/ic-7610_service-manual_612316067.webp)
7-7
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
J1301
NC
GN
D
GN
D
RSTB
2
NC
+3R3V
+14V
NC
RSTB
5
GN
D
+14V
RSTB
4
GN
D
+8
V
RSTB
3
GN
D
+3R3V
NC
MDAT
GN
D
MC
K
+3R3V
+14V
+14V
GN
D
+8
V
GN
D
+8
V
DRESL RSTB
1
J1401
DSELAD
J
NC
DPGV
GN
D
AL
C
GN
D
EXRL1S EXRL2S
EAL
C
TRAS SEN
I
T8
V
RX
S
TRVT
S
DRIVE
AAF
CI
V
EPAD2L
TRVI
CIVE
BANDV
METAV
RTKI
METBV
ACC5
V
AMO
D
GN
D
GN
D
EPAD1L
KEYI
J3001
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RFLIA
RFLIA
RFLIA
RFLIA
RFLIA
RFHIA
RFHIA
RFHIA
RFHIA
RFHIA
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RFLIA
RFLIA
RFLIA
RFLIA
RFLIA
RFHIA
RFHIA
RFHIA
RFHIA
RFHIA
J3002
+14V
GND
GND
BA9AS
GND
GND
BA10AS
BA7AS
GND
GND
GND
GND
BA1AS
BA8AS
GND
GND
BA11AS
GND
GND
RFOA
RFOA
RFOA
RFOA
RFOA
RFOA
GND
GND
BA9AS
GND
GND
BA10AS
BA7AS
GND
GND
GND
GND
BA1AS
BA8AS
GND
GND
BA11AS
GND
GND
RFOA
RFOA
RFOA
RFOA
RFOA
RFOA
+14V
J2001
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RFLIB
RFLIB
RFLIB
RFLIB
RFLIB
RFHIB
RFHIB
RFHIB
RFHIB
RFHIB
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RFLIB
RFLIB
RFLIB
RFLIB
RFLIB
RFHIB
RFHIB
RFHIB
RFHIB
RFHIB
J2002
+14V
GND
GND
BA9BS
GND
GND
BA10BS
BA7BS
GND
GND
GND
GND
BA1BS
BA8BS
GND
GND
BA11BS
GND
GND
RFOB
RFOB
RFOB
RFOB
RFOB
RFOB
GND
GND
BA9BS
GND
GND
BA10BS
BA7BS
GND
GND
GND
GND
BA1BS
BA8BS
GND
GND
BA11BS
GND
GND
RFOB
RFOB
RFOB
RFOB
RFOB
RFOB
+14V
KEY
ACC(2)
ACC(1)
EXT
KEYPAD
METER
REMOTE
ALC
RELAY
C1003
C1012
C1014
C1076
C1092
C1093
C1094
C109
5
C1096
C1097
C1098
C1112
C1114
C1175
C1183
C1186
C1189
C1190
C1191
C1201
C1202
C1203
C1204
C1205
C1206
C1301
C1302
C1303
C1304
C1401
C1402
C1403
C1405
C1406
C1407
C1408
C1409
C1410
C1411
C1412
C1413
C1414
C1415
C1416
C1417
C1418
C1419
C1420
C1421
C1422
C1423
C1424
C1425
C2011
C2012
C2032
C2271
C2272
C2273
C2274
C2275
C2276
C2277
C2278
C2279
C2280
C2281
C2311
C2312
C2313
C2321
C2331
C2332
C2334
C2335
C2338
C2339
C2340
C2341
C2342
C2343
543
2C
C2344
C2347
C2346
C2362
C2363
C2364
C2365
C2366
C2369
C2370
C2401
C2452
C2453
C247
1
C2472
C2473
C2475
C2476
C2477
C2478
C2479
C2480
C2481
C2502
C2503
C301
1
C301
2
C3032
C3271
C3272
C3273
C3274
C3275
C3276
C3277
C3278
C3279
C3280
C3281
C3291
C3292
C3293
C3294
C3295
C3311
C3312
C3313
C3321
C3331
C3332
C3334
C3335
C3338
C3339
C3340
C3341
C3342
C3346
C334
7
C3343
C3345
C3344
C3362
C3363
C3364
C3365
C3366
C3369
C3370
C3391
C3392
C3393
C3394
C3395
C3396
C3401
C340
2
C340
4
C3405
C340
6
C340
8
C3409
C3412
C3421
C342
2
C3423
C3431
C3432
C3434
C3435
C3441
C3442
C3453
C3455
C3461
C3479
C3482
C3483
C3484
C3486
C3487
C3488
C3490
C3491
C3492
C3502
C3503
C3504
C4001
C4004
C4007
C4009
C4011
C4013
C4016
C4017
C4018
C4019
C4020
C4021
C4022
C4023
C4024
C4026
C4027
C4051
C4052
D1012
D1023
D1181
D1182
D1183
D1191
D1192
D2001
D2002
D2031
D2032
D2071
D2072
D2091
D2092
D2111
D2112
D2131
D2132
D2151
D2152
D2271
D2273
D2321
D2322
D2331
D2333
D2361
D2362
D2452
D245
1
D2461
D2462
D3001
D3031
D3032
D3071
D3072
D3091
D3092
D3111
D3112
D3131
D3132
D3151
D3152
D3271
D3272
D3273
D3291
D3292
D3321
D3322
D3331
D3333
D3361
D3362
D3381
D3382
D3401
D3402
D3421
D3431
D3452
D3451
D3471
D3472
D4002
D4003
D4004
D4005
EP1201
EP1203
EP1204
EP1302
EP1303
EP1401
EP1402
EP1403
EP1404
EP1405
EP1406
EP1407
EP1408
EP1409
EP1410
EP1411
EP1412
EP1413
EP1414
EP1415
EP1416
EP1417
EP1418
EP1419
EP3501
EP4001
EP4005
EP4009
EP4010
EP4011
EP4012
EP4013
EP4014
EP4015
EP4017
EP4018
IC1091
IC1201
IC1202
IC1203
IC1204
IC1205
IC120
6
IC2502
IC2503
IC3421
IC3441
IC3502
IC3503
IC3504
IC4001
IC4002
IC4003
J1001
J1002
J1071
J1072
J1091
J1101
J1102
J1171
J1172
J1191
J1301
J1401
J2001
J2002
J2481
J3001
J3002
J3481
J4001
J4002
J4003
J4004
J4005
J4006
J4007
J4051
L1021
L1022
L1051
L1052
L1053
L1054
L1055
L1091
L1092
L1151
L1152
L1153
L1154
L1301
L2011
L2032
L2033
L2034
L2035
L2071
L2072
L2073
L2074
L2075
L20
91
L2092
L2093
L2094
L2095
L2111
L2112
L2113
L2114
L2115
L2131
L2132
L2133
L2134
L2135
L2151
L2152
L2153
L2154
L2155
L2271
L2272
L2273
L2274
L2275
L2276
L2311
L2312
L2313
L2331
L2334
L2335
L2336
L2337
L2338
L2339
L2362
L2363
L2364
L2367
L2383
L2462
L2471
L2472
L2473
L2474
L2475
L3011
L3032
L3033
L3034
L3035
L3071
L3072
L3073
L3074
L3075
L3091
L3092
L3093
L3094
L3095
L3111
L3112
L3113
L3114
L3115
L3131
L3132
L3133
L3134
L3135
L31
51
L3
15
2
L31
53
L3
15
4
L3155
L3271
L3272
L3273
L3274
L3275
L3276
L3291
L329
2
L3293
L3311
L331
2
L3313
L3331
L3334
L3335
L3336
L3337
L3338
L3339
L3362
L3363
L3364
L3367
L3383
L3391
L3392
L3401
L3402
L340
3
L340
4
L3405
L340
6
L3421
L343
1
L3432
L343
3
L3453
L3461
L3481
L3482
L3483
L3484
L3485
L4003
Q1011
Q1012
Q1013
Q1014
Q1091
Q1092
Q1093
Q1111
Q1112
Q1113
Q1114
Q2336
Q2335
Q2364
Q2471
Q2472
Q333
5
Q3336
Q3364
Q3381
Q3421
Q3422
Q3474
Q3475
Q4003
Q4004
Q4005
Q4006
Q4007
Q4008
R1003
R1004
R1005
R1012
R1013
R1033
R1037
R1041
R1044
R1045
R1089
R1090
R1091
R1092
R1093
R1094
R1095
R1096
R1097
R1098
R1105
R1112
R1113
R1133
R1137
R1141
R1145
R1152
R1171
R1193
R1194
R1198
R1301
R1302
R1303
R1304
R1305
R1306
R1307
R1308
R1309
R1310
R1311
R1312
R1313
R1314
R1315
R1316
R1401
R1402
R1403
R1404
R1405
R1406
R2311
R2312
R2321
R2322
R2333
R2335
R2337
R2336
R2338
R2339
R2340
R2341
R2362
R2363
R2366
R2383
R2451
R2452
R2462
R2471
R2472
R2473
R2475
R2476
R2477
R2478
R2479
R3297
R3311
R3312
R3321
R3322
R3333
R3335
R3338
R3336
R3337
R333
9
R3340
R3341
R3362
R3363
R3366
R3383
R3384
R3401
R3402
R3403
R3406
R3408
R3409
R3410
R3411
R3412
R3413
R3407
R3404
R3405
R3414
R3421
R3422
R3423
R3424
R3431
R3432
R3433
R3451
R3452
R3454
R3481
R3482
R3483
R3484
R3486
R3487
R3488
R3489
R4001
R4002
R4003
R4008
R4009
R4010
R4011
R4013
R4014
R4015
R4016
R4017
R4018
R4019
R4020
R4021
R4022
R4023
R4024
R4025
R4026
R4027
R4029
R4030
R4031
R4032
R4033
R4034
R4035
R4036
R4037
R4038
R4039
R4040
R4042
R4051
RL1001
RL1003
RL1011
RL1021
RL1022
RL1031
RL1032
RL1033
RL1034
RL1051
RL1052
RL1071
RL1101
RL1103
RL1111
RL1131
RL1132
RL1133
RL1134
RL1151
RL1152
RL1171
RL4051
B-8543F
RF UNIT
‚R
‚S
5
ATRRF
BRRF
J1401
J1301
6
J2002
DIGIB-IN
m
C
D
J3002
J2001
J3001
DIGIA-OUT
B
7
RX-B
RX-IN
RX-OUT
RX-A
n
DIGIB-OUT
2
RL4001
MAIN J8521
to
1
TX-OUT
X-VERT
DIGIA-IN
A
G
M
N
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
H55
H60
H65
H70
H75
H80
H85
H90
H95
H100
H105
H110
H115
H120
H125
H130
H135
H140
H145
H150
H155
H160
H165
H170
H175
H180
H185
H190
H195
H200
H205
H210
V0
V5
V1
0V
15
V2
0V
25
V3
0V
35
V4
0V
45
V5
0V
55
V6
0V
65
V7
0V
75
V8
0V
85
V9
0V
95
V100
V105
V110
V115
V120
V125
V130
V135
V140
V145
V150
R3437
R3435
R3436
R3434
• RF UNIT B-8543F
(TOP VIEW)
See the PARTS LIST H/V location on the PARTS LIST for location details.