Audio Signal Processing Circuit - Eiki LC-XG110 Service Manual

Chassis Block Diagrams

Audio signal processing circuit

AV BOARD
L
VIDEO
AUDIO-IN
R
L
PC1
AUDIO-IN
R
L
PC2
AUDIO-IN
R
EXT. SP
OUT
SP901
K10T
L
1
SP902
K10S
R 1
48
WRL_CPU
43
READ_CPU
IC801
CPU
29
IICSCL
30
IICSDA
K10W
10
AU_SW1
9
2
AU_SW2
15
Q5001
13
1
L
12
Q5002
3
5
R
14
K20P
K8C
4
A_SW1
31
5
A_SW2
30
49
A_MUTE
2
IC281
15
VOLUME
D/A
3
AUDIO-SW Switching Logic
A_SW1 (4), AU_SW 1(10)
A_SW2 (5), AU_SW2 (9)
1-4
Q013 Q014
7
5
1
Q011
1
3
3
2,6
K55B
18 16
7 8
K8G
Mute: H
PC1
L
L
-42-
18
13 1
2
L
3
8 3
4
R
17
Q031
Mute: L
MUTE
AUDIO BOARD
MAIN BOARD
PC2 VIDEO
H L
L H