Platform Supply 42": Audio Centre (Ap7) - Philips 42PF9731D Service Manual

Circuit Diagrams and PWB Layouts
Platform Supply 42": Audio Centre
1
AUDIO: CENTRE INPUT / SW FILTER
AP7
A
ID80
2D92
AUDIO-SW
1u0
B
C
D
3104 313 6108.4
1
BJ2.4U/BJ2.5U LA 7.
2 3 4
3D80
1K8
+12-15V
2D91
100n
ID83
7D40-1
2D93 GND-SA
3
LM324
1
1u0
2
2D94
100n
GND-SA
-12-15V
GND-SA
+12-15V
7D40-4
12
LM324
14
13
GND-SA
-12-15V
2 3 4
70
5 6
FD81
FD82
2D90
100n
+12-15V
ID85
3D81 3D82
5
10K 33K
6
-12-15V
GND-SA
10
ID87
9
GND-SA
3D84
10K
5 6
7 8
ID86
7D40-2
LM324
7 OUT
+12-15V
7D40-3
LM324
ID88
8 OUTN
-12-15V
3D85
10K
2D96
100p
OUT
7 8
2D90 A6
2D91 A4
AP7
2D92 B2
2D93 B2
2D94 B4
2D95 B5
2D96 D6
3D80 A3
3D81 B4
3D82 B5
A
3D83 B3
3D84 D5
3D85 D6
7D40-1 B3
7D40-2 B6
7D40-3 C6
7D40-4 C3
FD81 A4
FD82 A5
ID80 A2
ID83 B3
ID85 B6
B
ID86 A7
ID87 C6
ID88 C7
C
D
G_15990_079.eps
080506