Philips MCD170 - DVD Audio Output Circuits

CIRCUIT DIAGRAM - DVD BOARD
MPEG is not repaired,diagram for referrence only.
8 - 4
8 - 4
Power Off Mute
Power On Mute
AOUT_FR
AOUT_FL
DVD_R
AOUT_FR
AOUT_FL
DVD_R
A_MUTE
A_MUTE
A_MUTE
DVD_L
DVD_L
A_MUTE
DVD_LOUT R
DVD_LOUT L
A_MUTE
DVD_R 2
AOUT_FR 3
AOUT_FL 3
AUDIO_MUTE3
A_MUTE
2
DVD_L 2
AVCC12
AVCC12
AGND AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
P+5V
P+5V
P+5V
P+5V
AGND
P+5V
AGND
AVCC12
AVCC12 VREF3
VREF3
AGND
AVCC12
AGND
P+12V
VREF3
VREF3
AGND
AVCC12
AVCC12
VREF3
AGND
AGND
VREF3
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
EC21
100uF/16V
1200pF
C38
EC19
220uF/16V
R79 10
47pF
NC
EC20
100uF/16V
R63 100
Q10
2N3906
2
1 3
+
-
U8B
NJM4558
5
6
7
8
4
120pFC41
120pFC33
Q15
2N3904
R73 470
R61 4.7K
R67 10K
C34
1uF
R59 180
R85 4.7K
R74 10K
R89
470
C35
10uF/16V
R70
9.1K
C29
10uF/16V
R76
18K
R89
470
+
-
U9A
NJM4558
3
2
1
8 4
R95 2.2K
200pF
C30
R65 10K
Q14
2N3904
R86
18K
R66 24K
47pF
C32
BC37
0.1uF
1200pF
C40
1200pF
C42
C28
10uF/16V
NC
C32
R64
NC
R72 100
R71 4.7K
R64
100K
Q9
2N3906
2
1
3
Q11
2N3906
2
1 3
BC36
0.1uF
Q13
2N3904
D4
1N4148
+
-
U9B
NJM4558
5
6
7
8 4
C36
10uF/16V
+
-
U8A
NJM4558
3
2
1
8
4
1200pF
C31
R88
470
120pFC43 R84
33K
R69 180
R77
33K
R75
NC
R68 100
47pF
C39
120pFC27
R83 24K
200pF
C37
BC44
0.1uF
C45
10uF/16V
R60
9.1K
R95 2.2K
R75
100K
Q16
2N3904
R88
470
R82 24K
R57 24K
R80 4.7K
R62
7.5K
C46
10uF/16V