Philips FWD18, Service Manual

Page: 14 / 22

A_MUTE
A_FR
A_MUTE
A_FL
COAX
SPDIF_OUT
AIN_R
MIC_R
MIC_IN AIN_R
AOUT_FR
AOUT_FL
VREF
VREF
SPDIF_OUT COAX
A_MUTE
MIC_L
MIC_IN
MIC_R
MIC_L
A_MUTE
VREF
A_SL
VREF
A_MUTE
A_MUTE
VREF
AOUT_SL
A_SR
AOUT_SR
A_C
VREF
A_MUTE
A_MUTE
VREF
AOUT_C
A_SUB
AOUT_SUB
AOUT_SUB
A_SL
AOUT_FR
AOUT_SL
A_SUB
AOUT_FL
A_SR
A_FL
A_FR
AOUT_C
AOUT_SR
A_C
AVCC12
AVCC12
AD_VCC3
P+5V
GND
GND GND
GND GND
GND
GND GND
GND GND
GND
GND
GND
GND
GND
AVCC12
AGND
GND
AVCC12
P+12V AVCC12
GND
GND
GND
GND
DVCC3
GND
GND
GND
GND
GND
GND
AVCC12
GND
GND
GND
GND
GND
AVCC12
GND
GND
GND
GND
GND
GND
GND
AVCC12
GND
GND
GND
GND
GND
AVCC12
GND
COAX 1
SPDIF_OUT 2
AIN_R 2
MIC_R 1
A_MUTE 1
MIC_L 1
AUDIO_MUTE 2
A_C 1
AOUT_FR 2
AOUT_C 2
A_SUB 1
AOUT_SUB 2
A_SR 1
A_SL 1
AOUT_SR 2
AOUT_SL 2
AOUT_FL 2
A_FR 1
A_FL 1
Power ON / OFF Mute
For 5.1CH / 2CH NC
R97
470
R97
470
R93
9.1K
R93
9.1K
R115
100K
R115
100K
D17 1N4148 D17 1N4148
1 2
Q16
NC/3906
Q16
NC/3906
R117
470
R117
470
R111
9.1K
R111
9.1K
D21
1N4148
D21
1N4148
R63 33 R63 33
1200pF
C57
1200pF
C57
0.1uF
BC40
0.1uF
BC40
120pF C35 120pF C35
EC25
100u/16V
EC25
100u/16V
+
-
U7B
NJM4558
+
-
U7B
NJM4558
5
6
7
8
4
1200pF
C73
1200pF
C73
R86 100 R86 100
R74 4.7K R74 4.7K
+
-
U8B
NJM4558
+
-
U8B
NJM4558
5
6
7
8
4
Q12
2N3904
Q12
2N3904
+ EC26
22u/10V
+ EC26
22u/10V
1
2
R94 4.7K R94 4.7K
R102 100 R102 100
+
-
U9B
NJM4558
+
-
U9B
NJM4558
5
6
7
8
4
R95 100 R95 100
200pF
C38
200pF
C38
R112 4.7K R112 4.7K
R113 100 R113 100
EC28
100uF/16V
EC28
100uF/16V
R120 200 R120 200
Q15
2N3904
Q15
2N3904
Q18
2N3904
Q18
2N3904
10uF/10V
C36
10uF/10V
C36
R79
470
R79
470
R85
NC/4.7K
R85
NC/4.7K
R91 24K R91 24K
R73
9.1K
R73
9.1K
D20
NC/1N4148
D20
NC/1N4148
1 2
R62
39K
R62
39K
200pF
C50
200pF
C50
R106 24K R106 24K
200pF
C62
200pF
C62
R83
9.1K
R83
9.1K
R121
150
R121
150
R118
220
R118
220
R100
9.1K
R100
9.1K
R82 180 R82 180
47pF
C46
47pF
C46
R99 180 R99 180
1200pF
C51
1200pF
C51
R76 0 R76 0
R71 24K R71 24K
+
-
U7A
NJM4558
+
-
U7A
NJM4558
3
2
1
8
4
1200pF
C63
1200pF
C63
R116
4.7k
R116
4.7k
R66 4.7K R66 4.7K
10pF
C77
10pF
C77
R81 24K R81 24K
R89
470
R89
470
EC27
220uF/16V
EC27
220uF/16V
+
-
U8A
NJM4558
+
-
U8A
NJM4558
3
2
1
8
4
R84 4.7K R84 4.7K
R98 24K R98 24K
Q17
2N3904
Q17
2N3904
R105
470
R105
470
+
-
U9A
NJM4558
+
-
U9A
NJM4558
3
2
1
8
4
R77
100K
R77
100K
10uF/10V
C37
10uF/10V
C37
R101 4.7K R101 4.7K
Q20
2N3904
Q20
2N3904
R75 100 R75 100
R78
22K
R78
22K
R109 470 R109 470
R68
39K
R68
39K
10uF/10V
C42
10uF/10V
C42
120pF C47 120pF C47
R108
4.7k
R108
4.7k
10uF/10V
C48
10uF/10V
C48
R87
100K
R87
100K
R70
470
R70
470
120pF C59 120pF C59
47pF
C58
47pF
C58
R65
9.1K
R65
9.1K
R103
100K
R103
100K
120pF C53 120pF C53
10uF/10V
C60
10uF/10V
C60
1200pF
C45
1200pF
C45
D18
1N4148
D18
1N4148
47pF
C74
47pF
C74
0.1uF C76 0.1uF C76
R88 NC/1K R88 NC/1K
R72 180 R72 180
120pF C65 120pF C65
R104
NC/22k
R104
NC/22k
R80 470 R80 470
R114
NC/330
R114
NC/330
D19 1N4148 D19 1N4148
1 2
47pF
C40
47pF
C40
R61 24K R61 24K
120pF C41 120pF C41
R107
0/1M R107
0/1M
10uF/10V
C55
10uF/10V
C55
C66
100
C66
100
10uF/10V
C49
10uF/10V
C49
R92 180 R92 180
Q13
2N3904
Q13
2N3904
10uF/10V
C70
10uF/10V
C70
10uF/10V
C61
10uF/10V
C61
R110 180 R110 180
1000pF
C71
1000pF
C71
0.1uF
BC38
0.1uF
BC38
Q14
2N3906
Q14
2N3906
R69
100K
R69
100K
200pF
C44
200pF
C44
C69 105 C69 105
200pF
C56
200pF
C56
R67 100 R67 100
R90 100K R90 100K
200pF
C72
200pF
C72
Q19
NC/2N1069
Q19
NC/2N1069
2
3
1
10uF/10V
C54
10uF/10V
C54
47pF
C52
47pF
C52
10uF/10V
C68
10uF/10V
C68
47pF
C64
47pF
C64
10uF/10V
C43
10uF/10V
C43
0.47uF C67 0.47uF C67
0.1uF
BC39
0.1uF
BC39
1200pF
C39
1200pF
C39
C75
0.1u
C75
0.1u
R119
10k
R119
10k
R64 180 R64 180
R96
100K
R96
100K
BC41
0.1u BC41
0.1u
CIRCUIT DIAGRAM - DVD BOARD
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