Icom IC-R8600 Service Manual page 77

• RF UNIT ( 3/6 )
MP1105
2427
180P C1022 C1023
R1015 0
To RF UNIT (1/6)
C1021 68P 68P
ANT1HF
MP1002
2427
ARE1009
R1002
RL1001
MP1001
3818
2427
MP1014
2427
MP1013
ARE1009
R1013
To RF UNIT (1/6)
TEST_RF
CP1011
RL1011
MP1011
CP06S
CP1012
ANT1
(HF/V/U)
CP06S 3818
CP1013
CP06S
MP1012
C1057
C1052
2.5P
2P
2427
C1051 C1053 C1058
2.5P 5P 2P
To RF UNIT (5/6)
RX: 3.2 V
(30 MHz to less than1100 MHz
and other than ANT1)
C1024
2355
180P
MP1021 MP1031
2177
Q1032
R1039
C1031
1K
0.001
LDTC114YE
Q1001
0.001
10
C1041
LDTA114EE
P2 PC
Q1002 4 8
VUS
IC1031
LDTC114YE
CTL3
12
CTL2
13
CTL1
14
15
C1033
Q1011
0.01
10
LDTA114EE
Q1012
CONVS
LDTC114YE
RX: 3.2 V
(Higher than 1100 MHz)
TO RF UNIT (6/6)
3R3V
CONV5V
UB2S
CBPFI UB2S
UB1S
UB1S
C1108
CBPFO
56P
CONVERT BAND Info
Freq UB1S UB2S UB1S UB2S
1100~1500 L H L L
1500~2000 H H H L
2000~2500 H L H H
2500~3000 L L L H
SIM-43+
GND RF 6.8N
5 4
R1281
GND GND L1281 L1282
6 3
R1285 GND IF
7 2
3.9N
LO GND 0
8 1
18
IC1281
C1285
1.5P 2355
MP1281
C1286
1.5P
To RF UNIT (2/6)
To RF UNIT (4/6)
CONVLO REG9V CONV5V
3R3V
VUBI1
CONV5V VUBI1
VUBI2
VUBI2
VUBI3
VUBI3
VUBIO4
VUBIO4
VUBO1
VUBO1
VUBO2
VUBO2
VUBO3
VUBO3
CONVS
CONVS
UB1S
UB1S
UB2S
UB2S
VUAT1S
VUAT1S
VUAT2S
VUAT2S
VUS
VUS
12-14
ATT Info
SET VUAT1S VUAT2S
0dB H H
10dB L H
20dB H L
30dB L L
C1043
C1038
0.001
0.01
R1041
C1044
C1042
0.001
68 0.001
15
IC1032
10dB(9.7dB) 5 14
P4 CTL1
6 13
P2 R1047 P3 CTL2
C1046
7 C1045 7 12
P3 P2 CTL3
6 0.001 0.001
P4 680
5
30dB (28.7dB)
NJG1667MD7 C1047 R1044 C1048
0.001
0.001 180
20dB(17.3dB)
VUBI3 R1301
CTL3
12
VUBI2 R1302 1K
CTL2
VUBI1 R1303 1K 13
CTL1
1K 14
15
EP1301
MMZ1005Y102CT
VUBI3 R1304
CTL3
12
VUBI2 R1305 1K
CTL2
VUBIO4 R1306 1K 13
CTL1
1K 14
15
EP1302
MMZ1005Y102CT
LDTC114YE
Q1031
MP1301
VUAT2S
3818
VUAT1S
5P 3P 3P 5P 8.2N 6.8N 5.6N
C1481 C1483 C1485 C1487 L1484 L1485 L1486
750~1100
C1495
C1492
0.75P
0.3P
C1499
2P
6P 4P 5P 10P 12N 10N 6.8N
L1464 L1465 L1466
C1461 C1463 C1465 C1467
500~750
C1473
3.5P
22P 8P 7P 10P 10N 15N 18N
C1441 C1443 C1445 C1447 L1444 L1445 L1446
320~500
C1449 C1453
C1451
6P 1P
3P
P2
33P 12P 10P 15P 18N 27N 33N
7
P3 C1421 C1423 C1425 C1427 L1424 L1425 L1426
6 200~320
P4
5
C1429 C1433
C1431
8P
1P
4P
33P 15P 15P 33P 33N 47N 47N
C1381 C1383 C1385 C1387 L1384 L1385 L1386
130~200
C1389 C1393
C1391
10P 1.5P
5P
47N
L1364
C1361 C1363 C1365 C1367
P2
7
P3 33P
18P 15P 33P
6
P4 C1370 C1374
5
C1372
18P
10P
MP1106
2427
68P 27P 24P 68P
C1681 C1683 C1685 C1687 L1685
80~108
0.1U 0.12U
C1690 C1694
C1692
15P
7P
120P 47P 39P 100P 68N 0.12U 0.12U
C1341 C1343 C1345 C1347 L1344 L1345 L1346
50~80
C1349 C1353
C1351
36P 6P
12P
220P 82P 82P 180P 0.1U 0.15U 0.18U
C1321 C1323 C1325 C1327 L1324 L1325 L1326
30~50
C1329 C1333
C1331
33P 12P
33P
VUHF BAND Info
Freq VUBI1 VUBI2 VUBI3 VUBIO4 VUBO1 VUBO2 VUBO3
30~50 H * * H L H H
50~80 H * * H L H H
80~108 H L L L L L L
108~130 H L H L L H L
200~320 L H L L H L H
320~500 L L L L H L L
500~750 L L H L H H L
750~110 L H H H H * *
<1100~1250, 1500~1750, 2000~2250, 2500~2750=750~1100 setting>
<1250~1500, 1750~2000, 2250~2500, 2750~3000 =500~750 setting>
EP1401
MMZ1005Y102CT
C1404
0.01
15
5 14
R1403 VUBIO4
P4 CTL1
6 13
R1404 1K VUBO2
P3 CTL2
7 12 R1405 1K VUBO3
P2 CTL3
1K
EP1402
MMZ1005Y102CT
C1409
0.01
15
5 14 R1406 VUBO1
P4 CTL1
6 13
R1407 1K VUBO2
P3 CTL2
7 12 R1408 1K VUBO3
P2 CTL3
1K
3P
1P
To RF UNIT (4/6)
VURF