Panasonic CT-32HX40CB, Service Manual

Page: 31 / 76

- 31 -
Audio Signal Path Block Diagram
Figure 45. Audio Signal Path Block Diagram.
A-Board
H-Board
IC001
MPU
Audio
Mute
23
Dolby SW
IC2351
Spatializer
AGC
Audio
Control
15 18
R Out
IC2352
V
AO Amp
Q2351
+
2 3 8 4
9V
1
L
L
+
6
5
7
R
+
R
+
+
L-
V
A
O
L OUT
+
Q2352
+
R-
V
A
O
Q2353
Q2304
+
IC2353
Dolby_C SW
+
9V
14 12 11
5 6
9V
2 1
10
9 8
3 4
13
9V
Q2355
7
9V
Q2354
IC2301
Audio Amp
4
L In
24
7
L Out
2
R In
12
R Out
8
Mute
22
Speaker On/Off
Q2301
5V
+
+
R OUT
+
Dolby_C IN
15V
25
6
L In
R In
IC3003
54
52
62 64
L
R
16 18
4
29
31
9
11
2
F
ront
Input 4
Rear
Input 3
Rear
Input 2
Rear
Input 1
R
R R R
L
L L L
L Out
L Out
R Out
IC2201
MTS
T
uner 1
2 1
11
DTV1,2
L,R