SCHEMATIC DIAGRAMS
To upgrade quality, some components may be
subject to change without notice.
A-7290-3EX-
w
Printed in Japan
© 2015–2016 Icom Inc.
!4
TUNER UNIT (TUNER-1)
2SC4116
Q1611
R1202 2.2k
R1615
1k
R1614
10k
MMBD452LT1G
D1271
R1625
1k
R1612
10k
220P
C1102
CSA70
R1031
MMBD352LT1G
D1311
R1501
47
2SC4116
Q1621
30P
C1602
330P
C1506
R1351
47
R1272
2.2k
5P
C1301
MMBD352LT1G
D1312
R1341
10k
R1504
47
330P
C1202
R1613
10k
R1342
2.2k
330P
C1272
R1503
47
10P
C1601
MMBD452LT1G
D1201
R1301
10
0.1
C1271
R1264
220k
R1263
220k
47k
R1261
10P
C1101
DET_OUT
TUNER-2
NATT1S
0.01
C1361
0.01
C1261
0.01
C1263
0.01
C1262
0.1
C1611
0.1
C1505
0.1
C1351
0.1
C1341
0.01
C1251
150
R1402
150
R1411
150
R1421
150
R1422
150
R1412
150
R1401
120
R1431
120
R1441
120
R1451
100
R1432
100
R1442
100
R1452
330
R1461
330
R1471
270
R1481
J1001
LDAN222
D1341
D1261
LDAN222
0.1
C1011
NATT2S
J1042
L1311
LR-317
L1312
LR-317
EC2-9TNU
RL1021
EC2-9TNU
RL1011
LDAN222
D1011
NATT1R
NATT2R
0.1
C1013
0.1
C1014
0.1
C1012
LDAN222
D1021
0.1
C1021
0.1
C1023
0.1
C1024
0.1
C1022
AS080440
L1009
6.8k
R1252
0.1
C1701
R1611
220
R1701
100
3.3k
R1251
TSTB3
TOE
100
R1812
47P
C1811
0.1
C1809
TSTB4
TCLK
100
R1813
0.1
C1802
47P
C1810
0.1
C1807
47P
C1815
TDAT
100
R1814
0.1
C1801
0.001
C1816
47P
C1814
0.1
C1808
TSTB1
100
R1815
100
R1810
MPZ1608S601A
EP1802
47P
C1812
0.1
C1805
TSTB2
100
R1816
J1801
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
100
R1811
47P
C1813
0.1
C1806
3R3V
14V
R1032
100k
100
R1011
100
R1021
100
R1805
100
R1806
100
R1807
100
R1808
100
R1809
BA2903SFVM
IC1701
V+
8
GND
4
BA2903SFVM
IC1701
2
3
1
BA2903SFVM
IC1701
6
5
7
MPZ1608S101A
EP1801
2355
MP1301
1
2
3
4
AS100340
L1001
1P
C1002
R1502
100
100
R1505
33P
C1504
10k
R1364
2.2k
R1365
0.1
C1365
R1362
150k
R1361
1k
LR-604
L1501
0.01
C1203
NJM2904CRB1
IC1901 V+
8
GND
4
100
R1901
330
R1902
330
R1903
0.1
C1901
0.01
C1507
180k
R1507
R1506
47k
LRB751S
D1505
LRB751S
D1506
15P
C1501
NJM2904CRB1
IC1901
2
3
1
NJM2904CRB1
IC1901
6
5
7
100k
R1203
NATT1R
NATT1S
NATT2S
NATT2R
NATT2S
IMPI
IMPI
PHASEI
IREFV
NATT1R
NATT1S
NATT2R
SWRL_
SWRL
TPWRL
14V
14V
TPWRL_
3R3V
To the PA UNIT
IREFV
IREFV
NC
RFCNT(EXT)
14V
GND
TSTB3
GND
PHASEI
GND
CNTRS(EXT)
NC
TSTB2
TOE
SWRL
GND
14V
NC
GND
TCLK
IMPI
NC
GND
TDAT
TPWRL
3R3V
3R3V
14V
GND
TSTB4
To the MAIN UNIT
TSTB1
