Philips BJ3.1E LA Service Manual page 142

Circuit Diagrams and PWB Layouts
Audio Panel (37"): Protection & Mute Ctrl
1 2 3
PROTECTION / MUTE CONTROL
C2
A
+12-15V
B
3DF2
LEFT-SPEAKER
220K
3DF3 FDG2
RIGHT-SPEAKER
220K
C
D
+12-15V
E
-14V4
IDG6 3DG0
6DF1 -13V7
IDG5
+12-15V
BZX384-C18 10K
F
IDG8
7DF0
BC847BW
7DF9
BC847BW
-12-15V
G
3104 313 6125.4
1 2 3
BJ3.1E LA
4 5
VP1 +3V3-STANDBY
IDE3
7DF7-1
LM393PT
GND-L
8
IDF1
3DF4
3
1
47K
2
IDF2
4
-12-15V
GND-L +3V3-STANDBY
GND-L
VP1
7DF7-2
0V
LM393PT
8
GND-L
5
IDF4
7 7DF3
IDF3 0V6
6 BC847BW
4
GND-L
-12-15V
7DF4
GND-L
BC847BW
GND-L
GND-L
GND-L
-12-15V
7DF8
BC847BW
-13V7
IDF8
IDG3
-14V4
IDG9
BC857BW
7DF6
IDF6
BC857BW IDF9
7DF2
IDG7
7DF1
+13V7
BC847BW
INV-MUTE
-14V4 IDG4
CPROT
IDG1
3DG5
SOUND-ENABLE
47K
GND-L GND-L
4 5
7. 142
6 7 8
AUDIO-L
AUDIO-R
AUDIO-PROT
SOUND-ENABLE
0V
SOUND-ENABLE
+3V3-STANDBY
0V
9DF0
AUDIO-PROT
7DH0
BC847BW
AUDIO-PROT
IDF7
0V
GND-L GND-L
GND-L
+12-15V
MUTE
IDG0
7DF5
BC847BW
GND-L
6 7 8
9 10 11
3
1M52
FDH4
1
FDH5 2
3
FDH6
4
GND-S 5
6
FDH8
7
FDH9
8
9DD3
+3V3-STANDBY
9
FDG1
B9B-PH-K
9DD2
+12-15V
1M02
FDH0
-12-15V
1
2
FDH1 3
3
GND-L 4
+12-15V
5
FDH2
3DD7 6DF2 6
7
100R IDF5 FDH3
BAS316
B7B-EH-A
GND-L
9DD1
3DD0
IDE0
14V4
VP1
+12-15V
IDE2
10R
7DD0
BC817-25W
IDE1
-12-15V
c001
GND-SA
c003
GND-LL
c002
GND-LR
c004
GND-S
c005
GND-S
GND-L
2DF9
1 0002
100p GND screw
GND-L
FDG8 3999 FDG9
2K2
9 10 11
12
0002 G11 IDE1 D10
1M02 C11 IDE2 D11
C2
1M52 A11 IDE3 A5
2DD1 F3 IDF1 A3
2DD2 D6 IDF2 B4
2DD4 F6 IDF3 C3
2DD8 C9 IDF4 C5
2DE0 E11 IDF5 C10
2DF0 B3 IDF6 E4
2DF2 A4 IDF7 C6
A
2DF3 B4 IDF8 E4
2DF4 A12 IDF9 E5
2DF6 C11 IDG0 F6
2DF9 G10 IDG1 F6
3999 G10 IDG3 E3
3DD0 D10 IDG4 F3
3DD1 D10 IDG5 F2
3DD2 E10 IDG6 F2
3DD3 A4 IDG7 E3
3DD4 F2 IDG8 F1
B
3DD5 F2 IDG9 E5
3DD7 C10 c001 E10
3DF0 C6 c002 F10
3DF1 C6 c003 E10
3DF2 B2 c004 F10
3DF3 C2 c005 F10
3DF4 A3
3DF5 B3
3DF6 A4
3DF7 C3
C 3DF8 C3
3DF9 C5
3DG0 E2
3DG1 F2
3DG2 E3
3DG3 E5
3DG4 F3
3DG5 F5
3DG6 F6
3DG7 F6
3DG8 D6
D
3DG9 C6
3DH0 C5
3DH1 C5
3DH2 E4
3DH3 C7
3DH4 D4
3DH5 E6
3DH6 E3
3DH7 E4
6DF0 B5
E
6DF1 F1
6DF2 C10
7DD0 D11
7DF0 F3
7DF1 F3
7DF2 E4
7DF3 C5
7DF4 D5
7DF5 F6
7DF6 E5
7DF7-1 A4
F
7DF7-2 C4
7DF8 D4
7DF9 F2
7DH0 C6
9DD1 D11
9DD2 B10
9DD3 B11
9DF0 C6
FDG1 B11
FDG2 C3
G
FDG8 G10
FDG9 G11
FDH0 C11
FDH1 C11
FDH2 C11
FDH3 C11
FDH4 A11
FDH5 A11
G_15690_068.eps FDH6 A11
020306 FDH8 B11
FDH9 B11
12
IDE0 D10