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Chassis Block Diagrams
Q5001
Q013 Q014
Q031
Q011Q5002
2
7
1
15
1
12
5
14
2
3
13
10
9
5
3
2,6 17
18
3
13
83
4
5
49
Mute: H
Mute: L
15
1
3
18
16
87
1
2
3
4
K10X
K20P
K10W
K10T
K10S
K55B
K8C
K8G
K55C
K55D
IC801
CPU
IICSCL
IICSDA
AU_SW1
MUTE
VOLUME
VOLUME
AU_SW2
A_SW1
A_SW2
A_MUTE
29
30
31
30
WRL_CPU
READ_CPU
48
43
MAIN BOARD
AUDIO BOARD
AV BOARD
IC5001
AUDIO-SW
<TC4052>
IC001
AUDIO-AMP.
<BA7655>
IC031
AUDIO OUTPUT
<TDA1517>
L
R
L
R
L
R
L
R
L
R
VIDEO
AUDIO-IN
PC1
AUDIO-IN
PC2
AUDIO-IN
EXT. SP
OUT
IC1801
I/O EXPANDER
<M66500>
IC281
D/A
PC1 PC2 VIDEO
A_SW1 (4), AU_SW 1(10) L H L
A_SW2 (5), AU_SW2 (9) L L H
AUDIO-SW Switching Logic
1-4
1
1
SP901
SP902
L
R
Audio signal processing circuit