Icom IC-7610 Service Manual page 96

• RF UNIT (2/4)
L2401 100U 14VB
3R3V
14V
8V
SPLOFS
Q2451
J2481
DTC143ZU
MAIN UNIT
(9/11)
C2451
BRRF
1
Q2461
DTA114EU
D2471
SPLONS
L1SS400
Q2473
DTA114EU
Q2474
DTC143ZU
* 1 When the same antenna is used for both MAIN and SUB bands
RXS
RF UNIT (1/4) RXS
during Dualwatch operation.
SPLONS
SPLONS
SPLOFS
SPLOFS
POFBS
POFBS
RF UNIT (3/4)
PR1BS
PR1BS
PR2BS
PR2BS
DRESL
DRESL
MCK
MCK
RF UNIT (1/4)
MDAT
MDAT
RSTB3
RSTB3
POFBS
DRESL
IC2502
RSTB3 1 16
STR V+
2 15
MDAT
D OE
3 14
MCK BA2BS
CLK Q5
4 13 BA3BS
Q1 Q6
5 12 BA4BS
Q2 Q7
BA0BS 6 11 BA5BS
Q3 Q8
BA1BS 7 10
Q4 Q'S
8 9
GND QS
DTC143ZU
MC74HC4094ADTR2G
Q2441
IC2503 RXS
1 16
Q2442
STR V+
2 15 DTA114EU
D OE
3 14 BA10BS
CLK Q5
BA6BS 4 13 BA11BS PR1BS
Q1 Q6
BA7BS 5 12 BA12BS
Q2331
Q2 Q7
BA8BS 6 11
DTC143ZU
Q3 Q8
BA9BS 7 10
Q4 Q'S
8 9
GND QS
MC74HC4094ADTR2G
PR2BS
Q2361
DTC143ZU
Q2362
DTA114EU
DTA114EU
Q2452 L2451
330U
L5204F
D2451 C2452 C2453
1
L5204F 1 D2452
R2463 L2463 L2464 R2464
47 330U 330U 47
L2472
R2471 R2473 L2471
5.6 5.6 0.18U
LR-593
* 5.9 V
1
* 0.1 V
1
Q2472
L2474
L2475 R2479
L2SA1576AR
100U 1M
12
Q2471
R2478
R2476 BFQ19S
1K 1K
* 1 0.8 V
* 5.3 V * 1.2 V * 5.8 V
1 1 1
D2321
C2321
1
L5204F
DTC143ZU
DTA114EU
Q2321
L2321
Q2322
330U
* 2
L2333 L2335
100U
Q2333
DTA114EU
LR-440
D2331 L2331
C2334
0.12U 1
L5204F
Q2335
2SC5551A
* 2 11.0 V
L2336
*
2
Q2332
LR-440 * 2
DTA114EU
Q2336
2SC5551A
* 2 11.0 V
D2332
L1SS400 Q2334
DTA114EU
* 2 When Preamp-1 is ON.
D2363 L2366 R2365
100U 2.2K
L1SS400
Q2363
DTA114EU
* 3 6.1 V
L2364
LR-589 C2366 D2362
Q2364
2SC3356G
C2362 1
D2361 L2362 L5204F
L5204F 1
* 3 3.3 V
L2361 LR-589
* 2.5 V
3
330U
* When Preamp-2 is ON.
3
10-16
D2031
L5204F
R2032
22K
R2031
BA0BS
100
Q2031
DTC143ZU
D2071
R2072 L5204F
22K
R2071
BA2BS
100
Q2071
Displayed Frequency (MHz) Line: Voltage
DTC143ZU
0.03 ~ 0.499999 BA0BS: 3.1 V
0.50 ~ 1.599999 BA1BS: 3.1 V
D2091
1.60 ~ 1.999999 BA2BS: 3.1 V
2.00 ~ 2.999999 BA3BS: 3.1 V
R2092 L5204F
3.00 ~ 3.999999 BA4BS: 3.1 V
22K
R2091
4.00 ~ 4.999999 BA5BS: 3.1 V BA3BS
6.00 ~ 7.999999 BA6BS: 3.1 V 100
8.00 ~ 10.999999 BA7BS: 3.1 V
Q2091
11.00 ~ 14.999999 BA8BS: 3.1 V
DTC143ZU
15.00 ~ 21.999999 BA9BS: 3.1 V
22.00 ~ 29.999999
BA10BS: 3.1 V
D2111
30.00 ~ 60.000000
BA11BS: 3.1 V
(Except 50.0 ~ 54.0) R2112 L5204F
50.00 ~ 54.000000 (RX) BA12BS: 3.1 V 22K
R2111
BA4BS
100
Q2111
DTC143ZU
D2131
R2132 L5204F
22K
D2322 C2312 R2131
BA5BS
L5204F 1 100
Q2131
DTC143ZU
1.4 V D2151
R2152
L5204F
22K
R2151
BA6BS
100
D2333
Q2151
L5204F DTC143ZU
L2339
LR-439
D2271
R2272 L5204F
22K
R2271
BA12BS
2.0 V
100
1.4 V Q2271
DTC143ZU
* 2.0 V
2
BA10BS
BA1BS
BA9BS
BA11BS
BA7BS
BA8BS
0.03~0.499 MHz
C2032 L2032 L2033 L2034 L2035
8.2U 8.2U 8.2U 8.2U
1
1.6~1.999 MHz
L2072 C2076 C2080 L2074
12U 12U
180P 180P
C2077 C2081
27P 27P
2.0~2.999 MHz
L2092 L2094
C2096 C2100
5.6U 56P 330P 5.6U
C2097 C2101
330P 56P
3.0~3.999 MHz
L2112 C2116 C2120 L2114
6.8U 15P 82P 6.8U
C2117 C2121
82P 15P
4.0~5.999 MHz
L2132 C2136 C2140 L2134
3.3U 27P 120P 3.3U
C2137 C2141
120P 27P
6.0~7.999 MHz
L2152 C2156 C2160 L2154
2.7U 2.7U
33P 39P
C2157 C2161
39P 33P
50.0~54.0 MHz (RX)
C2272 C2274 L2273 L2274 L2275
47P 56P 97.0N 135N 135N
C2276 C2278 C2280
47P 27P 9P
J2002
J2001
* Refer to the PARTS LIST for the value and name of component.
L2002
330U
D2032 L2011 D2001 RF UNIT (1/4)
BRF
0.22U
L5204F L5204F
D2072
L5204F
D2092
L5204F
D2112
L5204F
D2132
L5204F
D2152
L5204F
D2002
L5204F