Icom IC-7610 Service Manual page 97

• RF UNIT (3/4)
L3461 100U
3R3V
14V
8V
T8V
SPLOFS
J3481
Q3451
MAIN UNIT
DTC143ZU
(9/11)
C3451
ATRRF
1
DTA114EU
Q3471
8V
Q3481
DTA114EU
DTC143ZU
D3481 Q3473
SPLONS
L1SS400
* When the same antenna is used for both MAIN and SUB bands during Dualwatch operation.
1
DPGV
DPGV
DRIVE 14VA
DRIVE
RF UNIT (1/4) ALC
ALC
RXS POFAS
RXS
POFBS
POFBS
PR1BS
PR1BS
PR2BS
RF UNIT (2/4)
PR2BS
SPLOFS
SPLOFS
SPLONS
SPLONS
ASQLS
RF UNIT (4/4) ASQLS
DRESL
DRESL
MCK 8V
MCK
MDAT
MDAT
RF UNIT (1/4)
RSTB4
RSTB4
RSTB5
RSTB5
DTC143ZU
Q3411
Q3412
RXS
DTA114EU
DRESL DTC143ZU
PR1AS
RSTB5 IC3502
Q3331
RSTB4 1 16
STR V+
MDAT 2 15
D OE
MCK 3 14 BA2AS Q3361
CLK Q5
4 13 BA3AS DTC143ZU
Q1 Q6
5 12
SPLONS BA4AS PR2AS
Q2 Q7
6 11
BA0AS BA5AS
Q3 Q8
BA1AS 7 10
Q4 Q'S
8 9
GND QS
MC74HC4094ADTR2G
IC3503
1 16 Q3362
STR V+
2 15 DTA114EU
D OE
3 14
BA10AS
CLK Q5
BA6AS 4 13 BA11AS
Q1 Q6
BA7AS 5 12 BA12AS DTC143ZU
Q2 Q7
BA8AS 6 11 BA12TXS Q3421
Q3 Q8
BA9AS 7 10 T8V
Q4 Q'S
8 9
GND QS
DTA114EU
Q3381
MC74HC4094ADTR2G
IC3441
1 5
IC3504
VIN VOUT
1 16 2
STR V+ VSS
2 15 3 4
D OE CE NC
3 14 PR1AS
CLK Q5
POFBS 4 13 PR2AS XC6209F502MR
Q1 Q6
PR1BS 5 12 ASQLS
Q2 Q7
PR2BS 6 11 SPLOFS
Q3 Q8
POFAS 7 10
Q4 Q'S
8 9
GND QS
MC74HC4094ADTR2G
L3391
37.5N
C3392
100P
C3393
68P
DPGV
MMZ1608Y102BT
DRIVE
ALC
DTA114EU
Q3452
L3451
330U
D3451 C3453 L5204F
C3455
L5204F D3452 1
1
R3471 L3471 L3472 R3472
47 330U 330U 47
L3483
R3486 R3488 L3485
0.18U
5.6 5.6
* 5.9 V
1
LR-593
Q3474 L3482
L3481 R3481
L2SA1576AR
100U 12 1M
Q3475
* 0.1 V
1
BFQ19S
R3482
R3484
1K 1K
* 0.8 V
1
* 1 5.3 V * 1 1.2 V * 1 5.8 V
L3321
330U
Q3321 Q3322
DTC143ZU DTA114EU
D3321
C3321
L5204F L3335
Q3333
L3333
DTA114EU
100U
LR-440
D3331 L3331 C3334
Q3335
2SC5551A
0.12U 1
L5204F
* 2.0 V
2
* 11.0 V
2
L3336
*
Q3332
LR-440
DTA114EU
Q3336
2SC5551A
* 2.0 V
2
* 2 11.0 V
D3332
L1SS400
Q3334
DTA114EU
*
2
R3365
D3363 L3366
100U 2.2K
L1SS400
Q3363
DTA114EU
L3364
D3361 C3362 C3363
L5204F L3361 R3361 1 * 3 6.1 V
1
LR-589
330U 47 Q3364
L3362 2SC3356G
* 3.3 V
3
LR-589
DTA114EU
D3421
* 3 2.5 V
Q3422
L1SS400
*
5V
R3404 R3411
R3405 R3412 EP3411 EP3015
2.7K 1K 2.7K 1K MMZ1608Y102BT MMZ1608Y102BT
R3406 R3407 R3413 R3414
1.8K 1.8K 1.8K 1.8K
TX: 3.7 V
RX: 0 V
1
IC3421
L3392 C3401 C3405 C3409 R3422
1 4
IN GND
2 3
61N 0.1 1 GND OUT
C3395
BGA616
75P
EP3404
TX: 5.1 V
EP3401
R3415 RX: 5.1 V
MMZ1608Y102BT
0
TX: 2.5 V EP3402
RX: 0 V
MMZ1608Y102BT
10-17
14V
D3031
R3032 L5204F
22K
R3031
BA0AS
Displayed Frequency (MHz) Line: Voltage
0.03 ~ 0.499999 BA0AS: 3.1 V 100
Q3031
0.50 ~ 1.599999 BA1AS: 3.1 V
DTC143ZU
1.60 ~ 1.999999 BA2AS: 3.1 V
2.00 ~ 2.999999 BA3AS: 3.1 V
3.00 ~ 3.999999 BA4AS: 3.1 V
4.00 ~ 4.999999 BA5AS: 3.1 V
D3071
6.00 ~ 7.999999 BA6AS: 3.1 V
R3072 L5204F
8.00 ~ 10.999999 BA7AS: 3.1 V
22K
11.00 ~ 14.999999 BA8AS: 3.1 V R3071
BA2AS
15.00 ~ 21.999999 BA9AS: 3.1 V
100
22.00 ~ 29.999999 BA10AS: 3.1 V Q3071
30.00 ~ 60.000000 DTC143ZU
BA11AS: 3.1 V
(Except 50.0 ~ 54.0)
50.00 ~ 54.000000 (RX)
BA12AS: 3.1 V
D3091
50.00 ~ 54.000000 (TX) BA12TXS: 3.1 V
R3092 L5204F
22K
R3091
BA3AS
100
Q3091
D3322
C3312
DTC143ZU
1 1
L5204F
* 2 1.4 V
D3111
R3112 L5204F
D3333
22K
R3111
BA4AS
L5204F
L3339
100
LR-439
Q3111
DTC143ZU
D3131
R3132 L5204F
1.4 V
2 22K
R3131
BA5AS
Q3131 100
DTC143ZU
D3151
R3152 L5204F
When Preamp-1 is ON. 22K
R3151
BA6AS
100
Q3151
DTC143ZU
C3366 D3362 D3271
L5204F R3272 L5204F
1
22K
R3271
BA12AS
100
Q3271
DTC143ZU
When Preamp-2 is ON.
3
D3291
5V
R3434 R3435 R3292 1SV307
22K
1K 2.7K R3291
BA12TXS
R3436 R3437
Q3291
100
DTC143ZU
1.8K 1.8K
BA10AS
BA1AS
BA9AS
C3431 C3432
BA11AS
BA7AS
15 0.1 1
BA8AS
TX: 5.1 V
RX: 5.1 V
EP3016
MMZ1608Y102BT
0.03~0.499 MHz
C3032 L3032 L3033 L3034 L3035
8.2U 8.2U 8.2U 8.2U
1
1.6~1.999 MHz
L3072 C3076 C3080 L3074
12U 180P 180P 12U
C3077 C3081
27P 27P
2.0~2.999 MHz
L3092 C3096 C3100 L3094
5.6U 5.6U
56P 330P
C3097 C3101
330P 56P
3.0~3.999 MHz
L3112 C3116 C3120 L3114
6.8U 15P 82P 6.8U
C3117 C3121
82P 15P
4.0~5.999 MHz
L3132 C3136 C3140 L3134
3.3U 27P 120P 3.3U
C3137 C3141
120P 27P
6.0~7.999 MHz
L3152 C3156 C3160 L3154
2.7U 33P 39P 2.7U
C3157 C3161
39P 33P
50.0~54.0 MHz (RX)
C3272 C3274 L3273 L3274 L3275
47P 75P 97.0N 135N 135N
C3276 C3278 C3280
47P 27P 9P
50.0~54.0 MHz(TX)
L3292 C3293
0.75U 12P
R3297
0
J3002
BPF-A UNIT BPF-A UNIT
* Refer to the PARTS LIST for the value and name of component.
L3002
330U
D3032 L3011 D3001
ARF
0.22U
L5204F L5204F
RF UNIT (1/4)
D3072
L5204F
D3092
L5204F
D3112
L5204F
D3132
L5204F
D3152
L5204F
D3272
L5204F
D3292
1SV307
J3001