Icom IC-7300 Schematic Diagrams page 14

TUNER UNIT (TUNER-1)
D1011
LDAN222
RL1011
EC2-9TNU
J1001
L1001
To the PA UNIT
AS100340
C1013
0.1 C1014
0.1
R1431
R1441
R1451
L1311
LR-317
IC1701
BA2903SFVM
2
1
3
R1503
R1432
120 100
R1442 47
120 100
R1452
120 100
LR-604
L1501
R1504
47
C1504
D1311 33P
L1312
MMBD352LT1G
D1312
LR-317
D1271
R1272
MMBD352LT1G
2.2k
MP1301 MMBD452LT1G
2355
SWRL_
TPWRL_
8
V+
GND
4
IC1701
BA2903SFVM
R1263
6
220k 7 IMPI
R1264
5
220k
R1251
IREFV
3.3k
!4
SCHEMATIC DIAGRAMS
NATT1S
NATT1R
D1021 NATT2S
NATT2R
C1023
LDAN222
0.1 C1024
0.1
RL1021
EC2-9TNU
L1009
AS080440
J1042
R1612
R1611
14V
10k 220
Q1611
2SC4116
Q1621
2SC4116
C1271
0.1
14V
3R3V
IC1901
NJM2904CRB1
5
R1902 EP1801
7
MPZ1608S101A
6
330
8
IC1901 V+
IC1901
NJM2904CRB1
GND EP1802
NJM2904CRB1
R1903
3 4 MPZ1608S601A
1
330
2
R1805
TPWRL R1806
R1807
SWRL R1808
R1809
IMPI
IREFV R1810
R1811
R1812
R1813
R1814
R1815
R1816
PHASEI
A-7290-3EX-w
To upgrade quality, some components may be
Printed in Japan
subject to change without notice.
© 2015–2016 Icom Inc.
NATT1S
NATT1R
NATT2S
NATT2R
DET_OUT
TUNER-2
14V
3R3V
To the MAIN UNIT
J1801
1 14V
2 14V
3 14V
4 NC
5 3R3V
6 3R3V
7 NC
8 GND
9 RFCNT(EXT)
10 GND
11 CNTRS(EXT)
12 NC
13 NC
100
14 IREFV
100
15 TPWRL
100
16 IMPI
100
17 SWRL
100
18 PHASEI
19 GND
100
20 TSTB1
100
21 TSTB2
100
22 TSTB3
100
23 TSTB4
100
24 TDAT
100
25 TCLK
100
26 TOE
27 GND
28 GND
29 GND
30 GND
TSTB1
TSTB2
TSTB3
TSTB4
TDAT
TCLK
TOE