Platform Supply 42": Audio Prot / Mute (Ap5) - Philips 42PF9731D Service Manual

Circuit Diagrams and PWB Layouts
Platform Supply 42": Audio Prot / Mute
1 2
AUDIO: PROTECTION / MUTE CONTROL
AP5
A
B
+12-15V
3DI0
+SUB-SPEAKER
220K
3DI1
-SUB-SPEAKER
220K
3DF2
LEFT-SPEAKER
220K
C
3DF3
RIGHT-SPEAKER
220K
D
E
-12-15V
F
IDG6 3DG0 IDG5
6DF1
3DD6
+12-15V
IDF6
BZX384-C18 4K7 4K7
IDG8
7DF0
BC847BW
7DF9
BC847BW
7DH1
BC847BW
G
-12-15V
H
3104 313 6108.4
1 2
BJ2.4U/BJ2.5U LA 7.
3 4 5
VP1 +3V3-STANDBY
IDE3
7DF7-1
LM393PT GND-L
8
FDH7
3DF4
3
1
47K
2
IDF2
4
GND-L -12-15V
+3V3-STANDBY
GND-L
VP1
7DF7-2
LM393PT
IDF0 8
GND-L
5
7 IDF4
7DF3
FDG2
BC847BW
6
4
GND-L
-12-15V
7DF4
GND-L
BC847BW
GND-L
GND-L
GND-L
+12-15V
-12-15V
7DF8
BC847BW
IDF8
FDG4
FDG3
BC857BW
7DF6
IDF5
BC857BW IDF9
7DF2
IDG7
7DF1
BC847BW
INV-MUTE
IDG4
CPROT
IDG1
3DG5
SOUND-ENABLE
47K
CPROT-SW
GND-L GND-L
3 4 5
68
6 7 8
AUDIO-L
AUDIO-R
AUDIO-SW
AUDIO-PROT
SOUND-ENABLE
SOUND-ENABLE
AUDIO-PROT
AUDIO-PROT
IDF7
GND-L
+12-15V
MUTE
IDG0
7DF5
BC847BW
GND-L
6 7 8
9 10 11
1M52
FDH4
1
FDH5
2
3
FDH6
4
FDG5
GND-SSB 5
6
FDH8
7 0V(0V)
FDH9
8 0V(0V)
+3V3-STANDBY
9
IDE4 FDG1
B9B-PH-K
1M02
FDH0
-12-15V
1
2
FDH1
3
GND-L 4
+12-15V
5
IDE6
6DF2 FDH2 6
3DD7
DC-PROT DC-PROT
7 0V(0V)
100R BAS316 FDH3
B7B-EH-A
GND-L
9DD1
IDE0
3DD0
VP1
+12-15V
IDE2
10R
7DD0
BC817-25W
IDE1
-12-15V
c006
GND-LSW
c002
GND-SA
c001
GND-SA
c003
GND-LL
c005
GND-LR
c004
GND-SSB
c007
GND-SSB
GND-L
2DF9
1 0002
10n GND screw
GND-L
1 0001
GND screw
GNDscrew
9 10 11
12
0001 H11 IDF8 E4
0002 H11 IDF9 F6
1M02 C11 IDG0 F6
AP5
1M52 B11 IDG1 G5
2DD1 G3 IDG4 F3
2DD2 D6 IDG5 F3
2DD4 G6 IDG6 F1
2DD5 G3 IDG7 F3
A
2DD6 E3 IDG8 G1
2DD7 E4 c001 F10
2DD8 D9 c002 F10
2DE0 E11 c003 F10
2DF0 C3 c004 G10
2DF2 B4 c005 G10
2DF3 C4 c006 F10
c007 G10
2DF5 F1
2DF9 H10
3DD0 E10
3DD1 E10
B
3DD2 E10
3DD3 B4
3DD4 F1
3DD5 G1
3DD6 F2
3DD7 D9
3DF2 C2
3DF3 C2
3DF4 B3
3DF5 B3
3DF6 B4
3DF7 D3
C
3DF8 D4
3DF9 D5
3DG0 F1
3DG1 G2
3DG2 F3
3DG3 E5
3DG4 G3
3DG5 G5
3DG6 G5
3DG7 F6
3DG8 D6
3DG9 D6
D
3DH0 C5
3DH1 C5
3DH2 E4
3DH4 E4
3DH5 E6
3DH6 E3
3DH7 E4
3DI0 B2
3DI1 C2
3DI2 G3
6DF0 C5
E
6DF1 F1
6DF2 D10
7DD0 E11
7DF0 G3
7DF1 F3
7DF2 F4
7DF3 D6
7DF4 D6
7DF5 G6
7DF6 F6
7DF7-1 B4
7DF7-2 C4
F
7DF8 E4
7DF9 G1
7DH1 G2
9DD1 D11
FDG1 B11
FDG2 D3
FDG3 F5
FDG4 E3
FDG5 B10
FDH0 C11
FDH1 C11
FDH2 D11
G
FDH3 D11
FDH4 B11
FDH5 B11
FDH6 B11
FDH7 B4
FDH8 B11
FDH9 B11
IDE0 E11
IDE1 E10
IDE2 E11
IDE3 B5
H
IDE4 B10
IDE6 D10
IDF0 C3
IDF2 B4
IDF4 D5
G_15990_077.eps
IDF5 F4
080506
IDF6 F1
IDF7 D6
12