Philips DVP3880K/55 Service Manual page 35

6-8
A
Main Board Circuit Diagram:AUDIO OUTPUT
R78 R78
30K 1% 30K 1% C60 C60 100pF 100pF
R81 R81
R80 R80 5.1K 5.1K U6A U6A
CE18 CE18
AL
2
1
10K 1% 10K 1% refa
3
C64 C64 NJM4558 OPA NJM4558 OPA
10uF/16V 10uF/16V
1000pF 1000pF
+12VA
1
MUTE_L
R85 R85
30K 1% 30K 1% C66 C66 100pF 100pF
R91 R91
R90 R90 5.1K 5.1K U6B U6B
CE21 CE21
AR 6
7
10K 1% 10K 1% refa 5
C69 C69 NJM4558 OPA NJM4558 OPA
10uF/16v 10uF/16v
1000pF 1000pF
+12VA
MUTE_R
ASPDIF R88 R88 100 100
3 ASPDIF
R89 R89
100 100 C68 C68
2
+12VA
R86 R86 33K 33K refa +12V
R87 R87 C47 C47
+ +
CE19 CE19
10K 10K 0.1uF 0.1uF
100uF/16V 100uF/16V
3PIN/2.0mm 3PIN/2.0mm
AKIN1 C61 C61 0.1uF 0.1uF R79 R79 100 100 MIC
+12VA
3
C62 C62 C101 C101 C63 C63
3300pF 3300pF 0.1uF 0.1uF 100pF 100pF
RCA/VIDEO OUT RCA/VIDEO OUT
1
2
3
COAXIAL
4
LCH
5
RCH
6
4
A
B
MO_VCC
R82 R82 470 470 LCH
R83 R83
C65 C65
100K 100K
1000pF 1000pF
R84 R84
470 470
Q11 Q11
2N3904 2N3904
R137 R137
3.3K 3.3K
R92 R92 470 470 RCH
R93 R93
C70 C70 AUDIO_MUTE
100k 100k
1000pF 1000pF
R94 R94 470 470
Q12 Q12
2N3904 2N3904
C67 C67
COAXIAL
0.1uF 0.1uF
100pF 100pF
R134 R134 100 100
+12VA
100uF/25V/CE5-6 100uF/25V/CE5-6
+ +
CE36 CE36
C103 C103
0.1uF 0.1uF
XP6 XP6
1
2
3
P2 P2
B
C
Q13 Q13
9012 9012
R102 R102
0/NC 0/NC
R100 R100
22K 22K
MUTE_L MUTE_L
E
R133 R133
Q14 Q14 A_MUTE
C
10K 10K MUTE_R
B
+ +
CE27 CE27 9012 9012
D17 D17
220uF/16V 220uF/16V NC/BAT54A NC/BAT54A
R109 R109
0/NC 0/NC
R147 R147
4.7K 4.7K
R149 R149 Q15 Q15
BT3904 BT3904
4.7K 4.7K
R171 R171
22K 22K
89G_3V3 MO_VCC
R127 R127 R126 R126
0 0 0 0
9012 9012
MUTE_L
Q27 Q27
R132 R132
2K 2K
R129 R129
AUDIO_MUTE
10K 10K
Q28 Q28
9012 9012
MUTE_R
R130 R130
2K 2K
M_MUTE_R R131 R131
M_MUTE_R
10K 10K
C
6-8
D E
OFF-PAGE CONNECTION
AL
AL 3
AR
AR 3
AUDIO_MUTE
AUDIO_MUTE 3
ASPDIF
ASPDIF 3
AKIN1
AKIN1 3
AUDIO I/F
89G_3V3
89G_3V3 (2,6,7)
MO_VCC
MO_VCC (2,6,7)
POWER
D E
1
2
3
4