Icom IC-RX7 Service Manual Addendum page 27

Feb. 2009
• MAIN UNIT (Left side)
R15
1.5K
Q3
R2
1
82
2
R4
0.1
3
C6 82
XP4312
2SC4738
ATT
R5 R16
Q2
2.7K 10K
L62
C446 C448
68P 68P 18N
2P
VHF(76-350MHz)
C450
L3
1SV308 82N
D7
R240
2.2K
UHF(350-470MHz)
D8 L1 L4 L7
C419 C15 C412
9P 5P 8P 22N 22N 15N
1SV308
C37
1P
800M(470-833MHz)
1SV308
C16
0.001
D9
1G(833-1300MHz)
LQW18AN5N6C00
1SV308
C22 C29 C38 L8
D10 8P 2P 3P
C43
1P
EARPHONE ANT ON :3.1V
EARPHONE ANT OFF:0.0V
1SV308
D56
R233
0
Q45
UNR9115J
100K
6
R24
5
4
ATT ON :3.1V
ATT OFF:0.0V
145MHz:0.0V
145MHz:1.4V 200MHz:3.1V
Q7
FH102A-E
4 3
C119
HVD328C
5 2
R239 2P
22
6 1
C417 R61 R68
100K 100K
0.1
D14
MA2S728
D15
MA2S728
L10
C107 C120
Q41
22N 0.001 2P
Q42
2SC5006
2SC5006
435MHz:1.4V
D18
MA2S728
D19
MA2S728
600MHz:0.4V
L60 C115
C61
Q5
0.001
0.001 6.8N
2SC5008
R52
100K
D20
MA2S728
D21
MA2S728
850MHz:0.8 V
Q6
C51 L13 C96
470P LQW18AN6N8C00 2.5P
2SC5624
D22
MA2S728
D23
MA2S728
10
EAR
ATT
BAR_ANT(0.45-1.62MHz )
R3V BAR
SW(0.15-0.45 / 1.62-76MHz)
SHIFT3V
C133 D38
33P 1SV308
R242
MA2S077
D52
2.2K
TUNE
Q47
UNR9113J
TUNE
D40
C123 C135
0.001 7P
1SV308
D41
1SV308
TRAC
D42
1SV308
AGC
ATTC
500kHz:0.4V
D27
C102 C118
1SV308
L34 L38
0.01 0.1 0.15U 0.15U
C88 C104
9P 3P
D28
D4 L33
0.10U
1SV308 1SV308
C87
8P
500kHz
AM ANTENNA
EXT-DX :0.0V
EXT-LOCAL:0.0V
BAR :3.1V
D5 D29
C49 C70
0.1 0.1
1SV308 1SV308 500kHz
AM ANTENNA
EXT-DX :3.1V
EXT-LOCAL:0.0V
BAR :0.0 V
BC(0.45-1.62MHz)
500kHz
AM ANTENNA
EXT-DX :0.0V
EXT-LOCAL:3.1V
BAR :0.0V
UHF3V
G3V
800M3V
VHF3V
RF_IN
D37
2SC5006
1SV308
Q12
D33
AGC
MA2S728
D34
ATTC
MA2S728
Q17
XP1113
HFC
4 3
R3V
2
ANTS W
5 1
5 1 B1C
2
4 3 B2C
Q11
XP1110
UHFC
4 3
2
GC
5 1
800MC
4 3
2
VHFC
5 1
MP 1
3076
Reg SW
*; Refer to "PARTS LIST."