Philips 32PF9968/10 Service Manual page 115

Circuit Diagrams and PWB Layouts
SSB: Audio Protection Mute Control
1 2
AUDIO: PROTECTION/MUTE CONTROL
B11C
A
VP
B
3D63
DC-SENSE
220K
22K
VN
C
5 4
3D90-4
D
E
F
3104 313 6196.2
1 2
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Q523.1U LA 7.
3 4 5
+3V3-STANDBY
2D73
VP
10u
3 7D00-1
ID70 ID87
3D90-1
1 8 9 LM339P
ID86
6D63
14
22K
8
BAS316
12
VN
GNDSND
VP
7D00-4
FD64 3
GNDSND
7 LM339P
1
ID73
6
12
VN
GNDSND
VPP
VNN
7D63-1
BC847BPN
1
ID75
2
6
ID77
7D64-2
ID25
BC847BPN
4
BC847BPN
7D63-2
5
3
ID79
ID80
VNN
3 4 5
115
6 7
+3V3-STANDBY
FD65
AUDIO-PROT
ID88
ID72
3D80
7D70
BC847BW
100K
GNDSND
3D89
AUDIO-MUTE
100K
VP
MUTE
ID78
ID82
6
ID84
3D76-4
7D64-1 2 5 4 AUDIO-MUTE
BC847BPN
22K
1
GNDSND GNDSND
6 7
8 9
2D72 B3
2D73 A5
B11C
2D74 F9
3D62 B3
3D63 B2
3D64 A6
3D71 C3
3D73 E5
A
3D74 D4
3D75 D5
3D76-1 D6
3D76-2 E6
3D76-3 F6
3D76-4 E7
3D78 D4
3D79 D4
3D80 A5
3D83 E4
3D89 C6
B
3D90-1 A3
3D90-2 A4
3D90-3 B5
3D90-4 C2
6D62 F4
6D63 A5
7D00-1 A4
7D00-4 C4
7D63-1 D4
7D63-2 E4
7D64-1 F6
C
7D64-2 E5
7D70 B6
FD64 C3
FD65 A7
ID25 E4
ID70 A3
ID72 A6
ID73 C3
ID75 D4
ID77 D5
ID78 E5
D
ID79 E4
ID80 F4
ID82 E6
ID84 E6
ID86 A4
ID87 A4
ID88 A5
cDA0 F9
E
RES
2D74
10n
GNDSND
F
cDA0
GNDSND
H_16770_056.eps
200307
8 9