Icom IC-7610 Service Manual page 67

• RF UNIT B-8543F
(TOP VIEW)
GND GND
GND
GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
RFLIA RFLIA
RFOA RFOA
RFLIA RFLIA
RFOA RFOA
RFLIA RFLIA
RFOA RFOA
RFLIA RFLIA
RFOA RFOA
RFLIA RFLIA
RFOA RFOA
GND GND
RFOA RFOA
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
RFHIA RFHIA
GND GND
RFHIA RFHIA
GND GND
RFHIA RFHIA
GND GND
RFHIA RFHIA
BA10AS BA10AS
RFHIA RFHIA
BA1AS BA1AS
GND GND
BA9AS BA9AS
GND GND
BA11AS BA11AS
GND GND
BA7AS BA7AS
BA8AS BA8AS
+14V +14V
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
RFLIB RFLIB
RFOB RFOB
RFLIB RFLIB
RFOB RFOB
RFLIB RFLIB
RFOB RFOB
RFLIB RFLIB
RFOB RFOB
RFLIB RFLIB
RFOB RFOB
GND GND
RFOB RFOB
GND GND
GND GND
GND GND
GND GND
GND GND
GND GND
RFHIB RFHIB
GND GND
RFHIB RFHIB
GND GND
RFHIB
RFHIB
GND GND
RFHIB RFHIB
BA10BS BA10BS
RFHIB RFHIB
BA1BS BA1BS
GND GND
BA9BS BA9BS
GND GND
BA11BS BA11BS
GND GND
BA7BS BA7BS
BA8BS BA8BS
+14V +14V
L3032
L3401
C3401 R3422
C3421
C3396 D3402 D3431
D3401
R3421 D3131
C3432 L3131
C3395 L3392
C3394 R3406 R3407 R3413 R3414 Q3422 Q3421 Q3381 R3436 R3437 D3111
R3404 R3405 R3411 R3412 R3434 R3435
L3336
D3421
C3391
J3002
L3338 R3341
C3338
L3334
C3340
L3331 D3333 C3312 D3273
D3322
C3339
L3337 R3340
C3334
C3341
L3461
C3335
R3333
L3335
C3321
L3311
R3321 R3322
C3362
C3364 D3091
D3361
D3331
D3381
Q3364 L3364 C3366
C3363
D3472 C3492
R3489
L3071
D3071
L3484
L3453
L3483
D3471 D3151
C3487
C3491
C3488
R3484
Q3474
R3482
R3481
L3481
L2131
D2131
EP3501
IC3502 IC3503 IC3504 IC2502 IC2503
D2111
L2336 J2002
L2338 R2341
C2338
C2340
L2331 D2333
C2339 L2337 R2340
C2334 D2273
C2313
C2341 C2312
L2313
D2091 R2311
C2335
R2333
L2335
D2321 C2321 D2322
R2321 R2322
D2361
C2364
C2362
D2362
C2366 L2071
Q2364 L2364
D2071
C2363
D2462 C2475
R2475
L2032
L2473
L2472
C2477
C2476
R2476
D2461
R2473 L2471
Q2472
L2475
R2478
R2479
C1304
7-7
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
J1172
L3033
DIGIA-OUT
L3034 L3035 N
L3135
L3133
D3132
L3112 C1183
L3114
D3112 L3011 D3001 D1181
D3272
C3292 C3291 C3294
D3291
L3293
L3291
C3293
C3271
L3273 L3275
C3281
C3276 C3280 J3001
L3272
D3092
C3273 C3274
L3092 L3094
C3311
L3073
L3075
D3072
L1021
L3155
RL1031
L2152 L2154 D2152
L2133
L2135
D2132
D2112
L2112 L2114
J1071
C2271
L2273 L2275 DIGIB-IN
C2281
D2271
C2276 C2280
J2001
L2272 C2273 C2274
D2092
D2002
L2011 D2001
L2092
L2094
L2073
L2075
D2072
R1198
L2033 L2034 L2035
J1301
J1401
J1301 J1401
Q1093 IC3441
Q1091 Q1092
J1301 J1401
X-VERT J1091
J1191
R1193
G
C1191
R1096
TX-OUT
C1096
J1171
L1091 R1094
M IC1091
DIGIA-IN R1092 C1092
D1182 C1093
C1094
D1183
RL1171
L1153
C1206
EP1204
R4018
R4017 R4009
R4003 IC4002
RL1152
R4019 R4010
R4020
R4013
C4011
RL1151 R4014
R1152
R4015
R4016
C1203 EP1203
C4013
R1113
C1114 R1089 R1004
C1112
L4003
C4009
R4037 R4042
J4007
R1090 R4032
R4038
R4023
Q1012
C4019
IC4001 EP4015
C4017
Q1013 R4040
R4024 EP4017
R4039 R4033 C4021
R1013
C1014
EP4005
D1012
R4031
C1003 R4030
R4025
R1003
R4022
L1053
RL1052 C4018
EP4011
C4016 EP4009
R4008
C4027 EP4013
C4022
L1051
C4023
EP4018
m J1072
C4024
DIGIB-OUT
EP4014
EP4010
n
C4020 EP4012
J4006
C1076 Q4004
C1205 C1204
R4027
R4034
R4036 Q4006 Q4007
EP4001
EP1201
C1202
C1201
R4002
C4004
See the PARTS LIST H/V location on the PARTS LIST for location details.
REMOTE
METER
EXT
KEYPAD
KEY
ACC(2)
ACC(1)
ALC
RELAY