Circuit Diagram - Philips FWD18 Service Manual

CIRCUIT DIAGRAM - DVD BOARD
R65 R65
C36 C36
AOUT_FR R64 R64 180 180
10uF/10V 10uF/10V
C38 C38 9.1K 9.1K
200pF 200pF
GND GND
R73 R73
C42 C42
AOUT_FL R72 R72 180 180
10uF/10V 10uF/10V
C44 C44 9.1K 9.1K
200pF 200pF
GND GND
R83 R83
C48 C48
AOUT_SR R82 R82 180 180
10uF/10V 10uF/10V
C50 C50 9.1K 9.1K
200pF 200pF
GND GND
R93 R93
C54 C54
AOUT_SL R92 R92 180 180
10uF/10V 10uF/10V
C56 C56 9.1K 9.1K
200pF 200pF
GND GND
R100 R100
C60 C60
AOUT_SUB R99 R99 180 180
10uF/10V 10uF/10V
C62 C62 9.1K 9.1K
200pF 200pF
GND GND
R111 R111
C68 C68
AOUT_C R110 R110 180 180
10uF/10V 10uF/10V
C72 C72 9.1K 9.1K
200pF 200pF
GND GND
For 5.1CH / 2CH NC
SPDIF_OUT R120 R120 200 200
R121 R121
150 150
GND
7 - 1
R61 R61 24K 24K
C35 C35 120pF 120pF
GND
R66 R66 4.7K 4.7K
2
C37 C37
1 R67 R67 100 100 A_FR
C39 C39 VREF 3
10uF/10V 10uF/10V
U7A U7A C40 C40
1200pF 1200pF NJM4558 NJM4558 R69 R69 Q12 Q12
100K 100K 47pF 47pF
2N3904 2N3904
AVCC12
R70 R70
470 470 GND
GND GND
A_MUTE
R71 R71 24K 24K
C41 C41 120pF 120pF
GND
R74 R74 4.7K 4.7K
6 C43 C43
R75 R75 100 100 A_FL
7
C45 C45 VREF
5
10uF/10V 10uF/10V
U7B U7B C46 C46
1200pF 1200pF NJM4558 NJM4558 R77 R77 Q13 Q13
100K 100K 47pF 47pF
2N3904 2N3904
AVCC12 R79 R79
470 470 GND
GND GND
A_MUTE
R81 R81 24K 24K
C47 C47 120pF 120pF
GND
R84 R84 4.7K 4.7K 2
C49 C49
R86 R86 100 100 A_SR
1
C51 C51 VREF
3
10uF/10V 10uF/10V
U8A U8A C52 C52
1200pF 1200pF NJM4558 NJM4558 R87 R87 Q15 Q15
100K 100K 47pF 47pF
2N3904 2N3904
AVCC12
R89 R89
470 470 GND
GND GND
A_MUTE
R91 R91 24K 24K
C53 C53 120pF 120pF
GND
R94 R94 4.7K 4.7K
6
C55 C55
7 R95 R95 100 100 A_SL
C57 C57 VREF 5
10uF/10V 10uF/10V
U8B U8B C58 C58
1200pF 1200pF NJM4558 NJM4558 R96 R96 Q17 Q17
100K 100K 47pF 47pF
2N3904 2N3904
AVCC12
R97 R97
470 470 GND
GND GND
A_MUTE
R98 R98 24K 24K
C59 C59 120pF 120pF
GND
R101 R101 4.7K 4.7K
2 C61 C61
R102 R102 100 100 A_SUB
1
C63 C63 VREF
3
10uF/10V 10uF/10V
U9A U9A C64 C64
1200pF 1200pF NJM4558 NJM4558 R103 R103 Q18 Q18
100K 100K 47pF 47pF
2N3904 2N3904
AVCC12 R105 R105
470 470 GND
GND GND
A_MUTE
R106 R106 24K 24K
C65 C65 120pF 120pF
GND
R112 R112 4.7K 4.7K 6
C70 C70
7 R113 R113 100 100 A_C
C73 C73 VREF
5
10uF/10V 10uF/10V
U9B U9B C74 C74
1200pF 1200pF NJM4558 NJM4558 R115 R115 Q20 Q20
100K 100K 47pF 47pF
2N3904 2N3904
AVCC12
R117 R117
470 470 GND
GND GND
A_MUTE
C76 C76 0.1uF 0.1uF COAX
C77 C77
10pF 10pF
7 - 1
P+12V AVCC12
R63 R63 33 33
EC25 EC25
100u/16V 100u/16V
GND
P+5V
R76 R76 0 0
R78 R78
22K 22K
EC28 EC28
100uF/16V 100uF/16V
GND
DVCC3
R85 R85
NC/4.7K NC/4.7K
R88 R88
A_FR
A_FR 1
A_FL
A_FL 1
A_SR
A_SR 1
A_SL
A_SL 1
A_SUB
A_SUB 1
A_C
A_C 1
A_MUTE
AOUT_FR
AOUT_FR 2
AOUT_FL COAX
AOUT_FL 2
AOUT_SR SPDIF_OUT
AOUT_SR 2
AOUT_SL AIN_R
AOUT_SL 2
AOUT_SUB MIC_R
AOUT_SUB 2
AOUT_C MIC_L
AOUT_C 2
AD_VCC3
D21 D21
1N4148 1N4148
4.7k 4.7k
R108 R108
MIC_R
AIN_R C67 C67 0.47uF 0.47uF R109 R109 470 470 MIC_IN
C71 C71 R114 R114
NC/330 NC/330
1000pF 1000pF
4.7k 4.7k
R116 R116
MIC_L
GND
AVCC12
R62 R62
39K 39K
VREF
BC38 BC38 BC39 BC39 BC40 BC40
BC41 BC41 + + EC26 EC26
22u/10V 22u/10V
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF R68 R68
0.1u 0.1u
39K 39K
GND GND
Power ON / OFF Mute
D17 D17 1N4148 1N4148
1 2
EC27 EC27
D18 D18 220uF/16V 220uF/16V
1N4148 1N4148
GND
R80 R80 470 470 Q14 Q14
2N3906 2N3906
A_MUTE
1 2
D19 D19 1N4148 1N4148
Q16 Q16
NC/3906 NC/3906
NC/1K NC/1K NC/1N4148 NC/1N4148
D20 D20 R90 R90 100K 100K
1 2
AUDIO_MUTE 2
GND
A_MUTE 1
COAX 1
SPDIF_OUT 2
AIN_R 2
MIC_R 1
MIC_L 1
AVCC12
R104 R104
NC/22k NC/22k
MIC_IN
C66 C66 R107 R107
0/1M 0/1M
100 100
Q19 Q19
C69 C69 105 105
NC/2N1069 NC/2N1069
2
R118 R118
R119 R119
C75 C75
220 220
10k 10k
0.1u 0.1u
AGND