Philips MCD107, Service Manual

Page: 18 / 26

7-5 7-5
CIRCUIT DIAGRAM - DVD BOARD
PART5
Power ON / OFF Mute
AOUT_FR
AOUT_FL
OPTI_O
COAX
SPDIF_OUT
A_FR
A_FL
AOUT_FR
AOUT_FL
A_FR
A_FL
A_MUTE
AVREF
COAX
A_MUTE
TV_FR
A_MUTE
TV_FL
AOUT_FL
AOUT_FR
AVREFAVREF
AVREFAVREF
AVREF
F
E
R
V
A
F
E
R
V
A
AVREF
A_MUTE
A_MUTE
TV_FR
TV_FL
SPDIF_OUT SPDIF_OUT
OPTI_O 2
COAX 2
SPDIF_OUT 3
A_FR 2
A_FL 2
AOUT_FR 3
AOUT_FL 3
AUDIO_MUTE 2
TV_FR
TV_FL
GND GND
GND
GND GND
GND
GND GND
GND
GND GND
GND
GND
GND GND
P+5V
P+12V
P+5V
AGND
AGND AGND
P+12V
AVCC12
AVCC12
VREF3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AVCC12
AVCC12
AVCC12
AVCC12
VCC3
P+5V
GND
P+12V
10uF/10V
C79
EC20
100uF/16V
R142 100
47pF
C81
200pF
C86
Q24
2N3904
1200pF
C78
10uF/10V
C82
R135
9.1K
10uF/10V
C77
EC21
100uF/16V
C87
1uF
R133
33K
R132
33K
R131 10
R128 470
R21
150
Q23
2N3906
10pF
C11
0.1uF C7
R106 0
R109
2.2K
R105 470
ZD1
Zener/5V1(DIP)
Q16
2N3906
EC15
470uF/16V
R150 470
10uF/10V
C3
10uF/10V
C14
10uF/10V
C15
10uF/10V
C4
R23 4.7K
R13
470
47pF
C1
R11
100K 1200pF
C9
120pF C5
Q2
2N3904
+
-
U2A
NJM4558
3
2
1
8
4
R30
9.1K
R20 24K
R9 100
R139 100
R40 180
120pF C80
200pF
C20
R140
470
R24 4.7K
R144 24K
R14
470
R145 4.7K
47pF
C2
R12
100K 1200pF
C10
R146
9.1K
120pF C6
120pF C83
R149 10K
+
-
U1A
NJM4558
3
2
1
8
4
R147 180
R137 24K
10uF/10V
C85
200pF
C76
R134 180
R28
200
R143
100K
47pF
C81
Q3
2N3904
Q25
2N3904
0.1uF
BC5
R141
470
+
-
U2B
NJM4558
5
6
7
8
4
+
-
U1B
NJM4558
5
6
7
8
4
R31
9.1K
R138
100K
R19 24K
D10
1N4148
1200pF
C84
R10 100
Q26
2N3906
2
1 3
R136 4.7K
R36 180
R148 100
200pF
C16