![background image](http://html.mh-extra.com/html/icom/ic-7610/ic-7610_service-manual_612316097.webp)
10-17
220
R3487
47
R3452
0.
1
C345
2
LR-593
L3483
0.
1
C3486
DTC143ZU
Q3451
0.
1
C3488
DTA114EU
Q3452
5.6
R3488
47
R3472
330U
L345
3
56
0
R3454
1K
R3482
4.7K
R3483
0.
1
C3483
L2SA1576AR
Q3474
47
R3471
DTA114EU
Q3471
DTA114EU
Q3473
0.
1
C3471
0.
1
C3481
L1SS400
D3481
DTC143ZU
Q3481
68
P
C3490
1M
L3484
1M
L3482
14V
3R3V
8V
ARF
100U
L3481
J3481
10
C3482
5.6
R3486
1K
R3484
12
R3481
100
R3489
10
C3484
1
C3479
0.18U
L3485
330U
L3451
47
R3451
MC74HC4094ADTR2G
IC3502
1 STR
2 D
3 CLK
4 Q1
5 Q2
6 Q3
7 Q4
8 GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
MC74HC4094ADTR2G
IC3503
1 STR
2 D
3 CLK
4 Q1
5 Q2
6 Q3
7 Q4
8 GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
MMZ1608Y102B
T
EP3501
MC74HC4094ADTR2G
IC3504
1 STR
2 D
3 CLK
4 Q1
5 Q2
6 Q3
7 Q4
8 GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
DRESL
MCK
MDAT
RSTB4
RSTB5
POFBS
PR1BS
PR2BS
SPLOFS
ASQLS
RXS
0.
1
C3504
0.
1
C3503
0.
1
C3502
330U
L3471
330U
L3472
1
C3455
1
C3453
1
C3451
1
C3487
DTC143ZU
Q3421
L1SS400
D3421
DTA114EU
Q3422
DRIVE
DPGV
ALC
DTC143ZU
Q3291
0.
1
C329
2
1SV307
D3291
100
R3291
560P
C3
111
220P
C3273
0.
1
C3073
0.0047
C3034
150P
C3145
100
R3271
0.001
C3072
1.2U
L3151
12U
L3074
8.2U
L3035
330P
C3074
2.7U
L3154
DTC143ZU
Q3271
27P
C3136
8.2U
L3033
33P
C3123
100P
C3154
0.
1
C3133
220P
C3164
12U
L3073
3.3U
L3134
330P
C3105
220P
C3152
100U
L3276
10P
C3139
0.
1
C3153
82P
C3120
330P
C3094
8.2U
L3034
22K
R3152
330P
C3102
22P
C3159
22P
C3155
390P
C3125
22K
R3272
39P
C3103
330P
C3100
5.6U
L3094
3.9U
L3075
100
R3151
330P
C3092
56P
C3096
0.01
C3038
27P
C3141
39P
C3160
220P
C3151
0.001
C3085
2.2U
L3131
8.2U
L3032
2.2U
L3135
135N
L327
2
56P
C31
19
560P
C3104
47P
C3079
22K
R3092
6.8U
L3112
150P
C3134
330P
C3131
DTC143ZU
Q3151
22K
R3032
22K
R3112
0.
1
C3093
2.2U
L3
111
0.0047
C3037
33P
C3156
39P
C3157
6.8U
L31
13
22K
R3132
150P
C3132
100
R3131
56P
C3101
0.01
C3036
33P
C31
15
330P
C3082
4.7U
L3091
100
R3111
180P
C3122
82P
C3117
27P
C3135
100
R3091
150P
C3138
180P
C3076
1.2U
L3155
3.3U
L3133
100
R3071
0.001
C3071
2.7U
L3152
22K
R3072
3.9U
L3071
5.6U
L3092
15P
C3121
5.6U
L3093
330P
C3078
33P
C3161
DTC143ZU
Q3031
2.2U
L31
15
DTC143ZU
Q3071
330P
C3144
0.
1
C31
13
220P
C3165
DTC143ZU
Q3091
180P
C31
14
120P
C3083
15P
C3116
DTC143ZU
Q3111
180P
C3080
47P
C3099
82P
C3158
39P
C3095
DTC143ZU
Q3131
560P
C3124
330P
C3098
12U
L3072
4.7U
L3095
150P
C3142
27P
C3143
0.
1
C3271
120P
C31
18
3.3U
L3132
560P
C3091
120P
C3140
390P
C31
12
0.001
C3084
100P
C3162
120P
C3075
1
C3032
330P
C3097
6.8U
L3114
135N
L3275
27P
C3081
27P
C3077
0.01
C3035
22P
C3163
120P
C3137
2.7U
L3153
0.01
C3033
22K
R3292
47
R3331
0.
1
C3351
1
C3335
0.001
C3346
1P
C3342
LR-589
L3362
1000
U
L3367
0.001
C3340
1
C3368
330U
L3312
DTA114EU
Q3363
L1SS400
D3332
LR-439
L3339
47
R3342
1
C333
9
1
C3336
1
C3364
0.12U
L3331
1
C3345
330U
L3332
100U
L3366
15
P
C3365
DTA114EU
Q3332
DTA114EU
Q3362
1
C3348
47
R3364
DTC143ZU
Q3361
1
C3363
LR-439
L3334
1
C3334
1
C3370
L1SS400
D3363
1
C3349
100U
L3363
100U
L333
7
1
C3321
LR-589
L3364
68P
C3331
DTA114EU
Q3334
DTA114EU
Q3333
DTC143ZU
Q3331
0.001
C3341
100U
L3338
100U
L3333
330U
L3340
1
C3366
330U
L336
5
0.
1
C3367
560
R3312
1
C3362
0.001
C3347
1
C3312
10
C3369
1
C3338
1
C3344
2SC3356G
Q3364
1P
C3343
330U
L3361
47
R3361
DTC143ZU
Q3321
DTA114EU
Q3322
0.
1
C3322
330U
L3321
47
R3321
47
R3322
1
C3491
1
C3492
100
U
L340
3
BAP70Q
D3402
1
2
3
4
5
0.
1
C343
6
1K
R3434
2.7K
R3411
0.
1
C341
0
1K
R3412
0.
1
C343
3
1.8K
R3436
1.8K
R3406
BAP70Q
D3431
1
2
3
4
5
56
0
R3408
1
C3432
100U
L3404
0.
1
C3423
2.7K
R3435
MMZ1608Y102BT
EP3411
BAP70Q
D340
1
1
2
3
4
5
100U
L3433
330U
L3381
1SV307
D3381
1K
R3405
MMZ1608Y102BT
EP3402
0.
1
C3402
MMZ1608Y102BT
EP3015
1
C342
1
56
0
R3410
56
0
R3401
MMZ1608Y102BT
EP3016
100U
L340
1
560
R340
3
1.8K
R3414
0.1
C3431
0.
1
C3407
MMZ1608Y102BT
EP3401
BGA616
IC3421
1 IN
2 GND
3
OUT
4
GND
100U
L3406
0.
1
C342
2
100U
L3431
0.
1
C3408
2.7K
R3404
560
R3433
0.
1
C3406
100U
L342
1
0.
1
C3435
1.8K
R3413
10
0
R3409
0.
1
C3434
15
R3421
0.
1
C3403
1.8K
R3407
1
C3405
100
R3432
0.
1
C340
4
560
R343
1
47
R3381
1.8K
R3437
10
0
R340
2
330U
L331
1
0.
1
C331
1
0.
1
C3381
0.
1
C3382
330U
L3382
47
R3382
56
0
R3383
330U
L3383
1SV307
D3382
10
C3441
10
C3442
XC6209F502MR
IC3441
1 VIN
2 VSS
3 CE
4
NC
5
VOUT
5V
DTA114EU
Q3381
330U
L3452
560
R3453
T8V
47
R3332
15
R3338
47
R3340
47
R3341
15
R3339
560
R3336
1.5k
R3333
47
R3334
560
R3337
1.5k
R3335
2.2K
R3365
2.2K
R3366
68
R3362
10
R3363
0.
1
C3031
100
R3031
DTC143ZU
Q3411
DTA114EU
Q3412
BFQ19S
Q3475
LR-440
L3335
LR-440
L3336
330U
L300
1
0.
1
C3001
100
R3033
0.
1
C3041
L5204F
D3032
L5204F
D3072
100
R3073
0.
1
C3088
L5204F
D3092
100
R3093
0.
1
C3108
L5204F
D3112
100
R31
13
0.
1
C3128
L5204F
D3132
100
R3133
0.
1
C3148
L5204F
D3152
100
R3153
0.
1
C3168
L5204F
D3272
100
R3273
0.
1
C3282
1SV307
D3292
10
0
R3293
J3002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
J3001
12 34 56 78 91
0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
L5204F
D3001
0.
1
C3437
0
R3415
MMZ1608Y102BT
EP3404
2SC5551A
Q3335
2SC5551A
Q3336
33
0
R3424
330
R3423
15
R3422
SPLONS
470 MV
-AX
C3461
47P
C3272
47P
C3276
27P
C3278
135N
L3274
97.0N
L3273
330U
L3002
1
C3002
330U
L331
3
1
C3313
100U
L3461
97.0
N
L3271
47
P
C3275
68
P
C3277
82
P
C3279
9P
C3280
39
P
C3281
23.8
N
L3291
0.75U
L3292
12P
C3293
330P
C3291
330P
C3294
0.
1
C3295
23.8
N
L3293
33P
C3332
390
R331
1
390
R3001
L5204F
D3111
L5204F
D3151
L5204F
D3091
L5204F
D3271
L5204F
D3131
L5204F
D3031
L5204F
D3071
L5204F
D3273
L5204F
D3333
L5204F
D3362
L5204F
D3322
L5204F
D3361
L5204F
D3331
L5204F
D3321
L5204F
D3472
L5204F
D3471
L5204F
D3451
L5204F
D3452
56P
C301
1
56P
C3012
0.22U
L3011
0
R3297
61N
L3392
37.5N
L3391
75P
C3395
100P
C3392
68P
C3393
100P
C3394
47
P
C3391
56P
C339
6
0.1
C3401
1
C3409
0.
1
C3283
0.
1
C329
9
4.7K
R338
4
10K
R3323
10K
R3343
10K
R345
5
10K
R3473
10
K
R3367
1
C3333
1
C3361
10
C3383
1
C3323
1
C345
4
1
C3472
330U
L3031
330U
L3036
470
U
L340
2
470U
L3432
470U
L3405
4P
C3412
75P
C3274
BA1AS
BA6AS
BA7AS
BA8AS
BA12AS
BA9AS
BA11AS
BA10AS
BA3AS
BA5AS
BA2AS
BA4AS
POFAS
PR1AS
PR2AS
DRESL
RSTB4
RSTB5
MDAT
MCK
DRESL
MCK
MDAT
RSTB4
RSTB5
SPLOFS
ASQLS
ASQLS
SPLONS
SPLOFS
RXS
DPGV
ALC
DRIVE
BA4AS
SPLOFS
BA12TXS
PR1AS
RXS
PR2AS
POFAS
DRIVE
ALC
5V
POFBS
PR1BS
PR2BS
POFBS
PR1BS
PR2BS
8V
8V
T8V
BA0AS
BA2AS
BA3AS
BA5AS
BA6AS
BA12AS
BA12TXS
DPGV
BA8AS
BA7AS
BA11AS
BA9AS
BA1AS
BA10AS
SPLONS
SPLONS
BA0AS
14VA
14V
ATRRF
RF UNIT (1/4)
RF UNIT (1/4)
RF UNIT (4/4)
RF UNIT (2/4)
50.0~54.0 MHz(TX)
50.0~54.0 MHz (RX)
6.0~7.999 MHz
4.0~5.999 MHz
3.0~3.999 MHz
2.0~2.999 MHz
1.6~1.999 MHz
0.03~0.499 MHz
RF UNIT (1/4)
MAIN UNIT
(9/11)
BPF-A UNIT
BPF-A UNIT
Displayed Frequency (MHz)
0.03 ~ 0.499999
0.50 ~ 1.599999
1.60 ~ 1.999999
2.00 ~ 2.999999
3.00 ~ 3.999999
4.00 ~ 4.999999
6.00 ~ 7.999999
8.00 ~ 10.999999
11.00 ~ 14.999999
15.00 ~ 21.999999
22.00 ~ 29.999999
30.00 ~ 60.000000
(Except 50.0 ~ 54.0)
50.00 ~ 54.000000 (RX)
50.00 ~ 54.000000 (TX)
Line: Voltage
BA0AS: 3.1 V
BA1AS: 3.1 V
BA2AS: 3.1 V
BA3AS: 3.1 V
BA4AS: 3.1 V
BA5AS: 3.1 V
BA6AS: 3.1 V
BA7AS: 3.1 V
BA8AS: 3.1 V
BA9AS: 3.1 V
BA10AS: 3.1 V
BA11AS: 3.1 V
BA12AS: 3.1 V
BA12TXS: 3.1 V
*
1
0.1 V
*
1
0.8 V
*
1
5.8 V
*
1
1.2 V
*
1
5.3 V
*
1
5.9 V
*
2
1.4 V
*
2
2.0 V
*
2
2.0 V
*
3
6.1 V
*
2
11.0 V
*
2
11.0 V
*
2
1.4 V
*
3
3.3 V
*
3
2.5 V
TX: 3.7 V
RX: 0 V
TX: 5.1 V
RX: 5.1 V
TX: 5.1 V
RX: 5.1 V
TX: 2.5 V
RX: 0 V
*
1
When the same antenna is used for both MAIN and SUB bands during Dualwatch operation.
*
2
When Preamp-1 is ON.
*
3
When Preamp-2 is ON.
• RF UNIT (3/4)
*
Refer to the PARTS LIST for the value and name of component.