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HCD-GX90D/RV800D
– MAIN Board –
IC11 LA1845
24
23
22
21
ALC
AM
AM
AM
PF.AMP
OSC
MIX
BUFF
AM
IF
LEVEL
AM/FM
DET
IF
S-CURVE
BUFF
FM
FM
IF
DET
REG
1
2
3
4
IC51 LC72121
66
20
19
18
17
16
DEOODER
AGC
ANTI-BIRDIE
P-DET
STEREO
AM
ø
DET
COMP
VCO
304kHz
TUNING
DRIVE
GND
V
CC
5
6
7
8
9
15
14
13
PILOT
CANCEL
SW
FF
FF
FF
PILOT
π
38k
19k
19k 0
DET
2
10
11
12
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