Philips DVDR3408 Service Manual page 42

6-23
1 2
DVDR3408/93 AV Board Electrical Diagram: AUDIO OUT BUFFER
Title:PWR,CONN,BTSC,RTC
C80
A
680PF
C81 R45 R46
FROM P2 10UF/16V
3.3K 7.5k
1 2 3
AOUT_L0 +
2
-
C83 U7A
R51 680PF NJM4580E
10K
R54
R55
4.7K 4.7k
GND_AV
B
R67 C90
12VRL 100UF/16V
V12
C91
680PF 22 C89
0.1UF
C92 R70 R71
FROM P2
10UF/16V 3.3K 7.5K GND_AV
1 2 5
AOUT_R0 +
6
-
C94 U7B
R75 680PF NJM4580E
10K
R78
4.7K
GND_Ao
12-VRL
V12-
GND_AV
C
C96
R79
0.1UF
22
C102
680PF
FROM P2
C103 R83 R84
AOUT_SR
10UF/16V 3.3K 7.5k GND_AV
1 2
C108
R89
D
10K 680PF
4.7k
R92
GND_Ao
GND_AV
C116
680PF
C117 R97 R98
FROM P2
10UF/16V 3.3K 7.5k
1 2
AOUT_SL
C119
E R102 680PF
10K
GND_AV
C126
680PF
C127 R120 R121
FROM P2
10UF/16V 3.3K 7.5K
1 2
AOUT_SW
R125
10K
F
GND_Ao
GND_AV
1 2
h t tp : //w w w . j d w x z l w . c o m / ? f r o m u s e r = S Nv Û ~ ô O î
3 4
MUTEC
R42 R43
3.3K 3.3K
C82
R47 R48 R49
22UF/16V 180 180 180
1 1 2
L_OUT
2 Q3 2 Q4
R52 C84
2N3904 2N3904
100K 100PF
GND_Ao
GND_AV
R63
12VRL 3 1
Q7 22K
2N3904
Q9
2N3904 R65
3 1
22K
MUTEC
+ R68 R69
3.3K 3.3K
GND_AV C93 R72 R73 R74
10UF/16V 180 180 180
7 1 2
R_OUT
R76 2 Q10 2 Q11
R77 C95
4.7k 2N3904 2N3904
100K
100PF
GND_Ao
GND_AV
C97
100UF/16V
GND_AV
12VRL MUTEC
C100 R81 R82
0.1UF 3.3K 3.3K
C104 R85 R86 R87
3 10UF/16V 180 180 180
+
SR_OUT
1 1 2
2
-
U8A
NJM4580E R90 Q12 Q13
2 2
R91
4.7k 100K 2N3904 2N3904
GND_Ao
12-VRL
GND_AV
C110
0.1UF
GND_AV
MUTEC
R95 R96
3.3K 3.3K
C118 R99 R100 R101
22UF/16V
5 180 180 180
+
7 1 2
6
-
U8B
NJM4580E Q14 Q15
2 2
R103
2N3904 2N3904
100K
R104 R105
GND_Ao
4.7k 4.7k
GND_AV
12VRL MUTEC
C124 R118 R119
0.1UF 3.3K 3.3K
GND_AV C128 R122 R123 R124
10UF/16V
5 180 180 180
+
7 1 2
6
-
C129 U9B
NJM4580E R126 Q18 Q19
2 2
R127
680PF
4.7K 100K 2N3904 2N3904
R128 4.7K
GND_Ao
12-VRL
GND_AV
C130
0.1UF
GND_AV
3 4
[ ¶ u 5 ~ ô O î • D e™ • Q ÿ Q M • 9 N• } T y Í ~ ô O î • D e™
5
V12 Q2
2N3906
TO P6
1 3
47K
2
R53 V12
R59
100
C85 R60 0
10UF/16V
1 2
AO_MONO TO P5
(TO Tuner Modulator Audio Input)
2 1 1
D8 D9
1N4148 1N4148
Only stuff this +
circuit while
R66 C86 C87
10K NTSC/TMZH2-020A 220UF/16V 470UF/16V
GND_Ao
tuner is used.
12-VRL GND_AV
TO P6
FB14
CEN_OUT
C98 C99
100PF 100PF
FB15 GND_AV
SW_OUT
C106 C107
100PF 100PF
GND_AV
FB18 GND_AV
SL_OUT
C112 C113
100PF 100PF
FB19 GND_AV
SR_OUT
C114 C115
100PF 100PF
GND_AV
C120
680PF
FROM P2
C121 R108 R109
10UF/16V 3.3K 7.5k
1 2 3
AOUT_C
+
1
2
-
R113 C123 U9A
10K 680PF NJM4580E
SL_OUT
R116
R117
4.7K 4.7k
GND_AV
C80 A2 C98
C81 A1 C99
C82 A3 C100
C83 A2 C102
C84 A4 C103
C85 B4 C104
C86 B5 C105
C87 B6 C106
C88 B8 C107
C89 C2 C108
SW_OUT
C90 B2 C109
C91 B2 C110
C92 C1 C112
C93 C3 C113
C94 C2 C114
C95 C4 C115
C96 C2 C116
C97 C2 C117
5
6-23
6 7
R44 4.7k
D4
VCC_STB
D5 1N4148
2 1
R50 10k
D6 V12-
1 2
1N4148 1N4148
FROM P2
1 2
AMUTE
R56 0 R57 1K
Q5 R58 1K
2
VCC
FROM P1
2N3904
1 2 R62
MUTE
R61 3.3K D7
1N4148 100k
2
GND_AV
1 3
Q8
2
2N3906
V12-
+
GND_Ao
GND_AV
Q11 C4
Q12 D4
Q13 D4
Q14 E3
Q15 E4
Q16 E6
J1
Q17 E7
Q18 F4
Q19 F4
R42 A3
R43 A3
R44 A7
VCC GND_AV
R45 A2
C105
D34 R88 R46 A2
1000PF 1N4148
47K
FB16 R47 A3
R_RIN_1 TO P2
R48 A3
R49 A4
R50 A7
VCC
R51 A2
D35 R52 A3
1N4148
R53 A5
R_LIN_1 TO P2
C109
R54 B2
FB17 R93
1000PF R55 B2
47K
R56 B6
R57 B7
GND_AV
R58 B8
R59 B5
R60 B6
R61 B6
MUTEC
R62 B7
R106 R107
3.3K 3.3K
R63 B4
C122 R110 R111 R112
R64 B8
22UF/16V
180 180 180
CEN_OUT R65 B4
1 2
R66 B4
Q16 Q17
2 2
R114 R67 B2
2N3904 2N3904
100K
R68 C3
GND_Ao
R69 C3
GND_AV R70 C2
C5 C118 E3 D34 C7
R71 C2
C5 C119 E2 D35 D6
R72 C3
D2 C120 E5 FB14 C5
R73 C3
D2 C121 E4 FB15 C5
R74 C3
D1 C122 E6 FB16 C7
R75 C2
D3 C123 E5 FB17 D7
R76 C3
C6 C124 E3 FB18 C5
R77 C3
C5 C126 F2 FB19 D5
R78 C2
C5 C127 F2 J1 C6
R79 C2
D2 C128 F3 Q2 A6
R81 D3
D6 C129 F2 Q3 A3
R82 D3
D2 C130 F3 Q4 A3
R83 D2
D5 D4 A7 Q5 A7
R84 D2
D5 D5 A6 Q6 B8
R85 D3
D5 D6 A7 Q7 B4
R86 D3
D5 D7 B7 Q8 B6
R87 D4
E2 D8 B5 Q9 B4
R88 C7
E1 D9 B6 Q10 C3
R89 D2
6 7
8
A
VCC_STB
2 Q6
2N3906
MUTEC
R64 100k
C88
B
GND_Ao 0.1UF
GND_AV
R90 D2
R91 D3
R92 D2
R93 D7
R95 E3
R96 E4
R97 E2
R98 E2
R99 E3
R100 E3
C
R101 E4
R102 E2
R103 E3
R104 E2
R105 E2
R106 E6
R107 E7
R108 E5
R109 E5
R110 E6
R111 E7
R112 E7
R113 E5
D
R114 E6
R116 E5
R117 E6
R118 F3
R119 F3
R120 F2
R121 F2
R122 F3
R123 F3
R124 F4
R125 F2
R126 F3
R127 F3
E
R128 F3
U7 A2
U7 C2
U8 D2
U8 E2
U9 E6
U9 F3
F
8