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HCD-GRX10AV/RX110AV
7-30. SCHEMATIC DIAGRAM – SURROUND SECTION –
(Page 57)
7-31. PRINTED WIRING BOARD – SURROUND SECTION –
• See page 20 for Circuit Boards Location.
(Page 51)
All manuals and user guides at all-guides.com
(Page 64)
• Indication of transistor
B
C
E
– 83 –
7-32. IC BLOCK DIAGRAMS
• Tuner section
IC21 LC72130
20
24
23
22
21
PHASE DETECTOR
CHARGE PUMP
REFERENCE
DIVIDER
(Page 67)
C
2
B
I/F
2
3 4 5 6
1
IC41 LA1838
30
29
28
REG
ALC
AM
AM
OSC
MIX
RF. AMP
BUFF
SD
COMP
AM/FM
IF
FM
S-CURVE
BUFF
S METER
FM
FM
IF
DET
1
2 3
These are omitted
19
18
17
16
15
14
13
UNLOCK
POWER
DETECTOR
ON
1/2
RESET
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS PROGRAMMABLE
DRIVER
UNIVERSAL
DATA SHIFT REGISTER LATCH
COUNTER
7
8
9
10
11
12
20
27 26
25
24
23
22
21
AM
DECODER
ANTI BIRDIE
STEREO
AGC
SW
STEREO
DRIVE
AM
DET
IF
FF
FF
FF
VCO
AM
PILOT
S METER
DET
PHASE
DET
TUNING
DRIVE
GND
VCC
13
4
5
6
7
8
9
10
11
12
– 84 –
19
18
17 16
MUTE
14
15
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