Philips PET717 Service Manual page 29

8-4
A
Main Board Electric Diagram:Audio/Video
CE37
R127
R128
3 AOUT_R
1
4.7K
22uF/16v
W=15mil
C116
1000pF
AGND
CE42
R140 4.7K R141
3 AOUT_L
22uF/16v
W=15mil
C123
1000pF
AGND
2
AMPVCC
W=40mil
PGND
C131 R164 R165
56K
MR1
2.2uF/16V 10K
R169
3 47K
AMPVCC
C133 R177 R178 47K
ML1
2.2uF/16V 10K
R181
56K
AMP5V
C136
SPL1
5 SPL1
0.47uF
SPL2
5 SPL2
SPR1
5 SPR1
SPR2 AGND
5 SPR2
VSYS
CVBS_INP
2 VSYS
VDD5V
2,3,5 VDD5V W=15mil
DV33
2,3,5 DV33
AMPVCC
2,3,5 AMPVCC
VSYS
2 VSYS
R190 100k/NC
OUT_EN
DV33
OUT_EN 3
ASPDIF
ASPDIF 3 AUDIO_IN1
CVBS
CVBS 3
VOLUME_PWM
W=15mil
VOLUME_PWM 3
IN/OUT
AGND
IN/OUT 3
CVBS_INP
CVBS_INP 3 R192 100k/NC
AUDIO_IN1
AUDIO_IN1 3
4 AUDIO_IN2
AUDIO_IN2 3
R196 100k/NC
VIDEO INTERFACE
DV33
AUDIO_IN2
AOUT_L
AOUT_L 3
AOUT_R W=15mil
AOUT_R 3
OPA_PW
AGND
OPA_PW 3
MUTE_DAC
MUTE_DAC 3
R198 100k/NC
AUDIO INTERFACE
A
B
R123 20K
C112 100pF
+12VM
C113
0.1uF
CE36
R125 7.5K
3
AVREF +
AGND R126 330
1
3.9K R129 4.7K
2
-
UA1A
10uF/16V
AS4558M
MUTE
C115
1000pF
AGND
AGND
R137 20K
C119 100pF
+12VM
C120
0.1uF
CE41
R138 7.5K 5
AVREF
+ AGND
R139 330
7
3.9K R142 4.7K 6
-
UA1B
10uF/16V
AS4558M
MUTE
C122
1000pF
AGND AGND
AMPVCC
C124
1uF
R154 R155
AMP5V
3K 100K
L14 22uH/1A
R156 20K
C125 C126 R157 NC
CE45
0.1uF 0.1uF
220uF/16V
Q26
2SK3018
VOLUME_PWM
G VOLUME_PWM 3
C127 NC
PGND AGND
SPR2
AGND AGND
U7
W=20mil
1 24 SPR1
PGND ROUT+
C130
2 23 1000pF
ROUT- SE/ BTL
AMPVCC
3 22 HPEARSW
PVDD HP/LINE
4 21
R162
RHPIN VOLUME 10
R166 CE46
SEDIFF
5 20
RLINEIN SEDIFF
6.2K R168
10
SEMAX 220uF/16V
6 19 R171
RIN SEMAX
7 18 1K
VDD AGND
R174 R175
C132 10
8 17 R176
LIN BYPASS
10k 10K
1uF/25V
AGND R179
CE47 10
9 16
LLINEIN FADE
CE48
220uF/16V
10 15
LHPIN SHUTDOWN R180
AGND
C134
10uF/16V 1K 1000pF
11 14
PVDD LOUT+
12 13
LOUT- PGND
25 SPL1 AGND AGND
C137 GND_PAD
W=20mil
SPL2
0.47uF TPA6011A4(TSSOP24)
PGND
FB23
R186
100K
SHDN
W=80mil
AGND
TP56
C138
FB21
R187 18/NC VDO_IN
1
W=20mil
0.047uF/NC R188 W=15mil
AGND
56/NC
TP57
C139
R191 18K/NC ADO_INL
1
1uF/NC
W=15mil
R193 CVBS=75R;RGB=160R
10K/NC
L15
CVBS
W=15mil
R194
75/1%
TP58
AGND C140
C142
100pF
R197 18K/NC ADO_INR
1
1uF/NC
W=15mil
R199
10K/NC
AGND
B
C
C C C
D
B E B E B E
G S
8050/8550 2SC1815
AO3401/02 3904/3906
T1
W=15mil
VSYS
MR1 L12 KLN501 MR
R134 1K
C114
1 R132
1000pF
100k
Q20
MMBT3904LT1
AGND AGND AGND OPA_PW
TP54
W=15mil
ML1 L13 ML
KLN501
R144 1K C121
1
R143 VSYS
1000pF
Q22 100k
MMBT3904LT1
AGND AGND
AGND
3 MUTE_DAC
FB22 NC
W=80mil
PGND
R158 33
ASPDIF OPTICAL
W=12mil
W=12mil
R159 C128
AMP5V NC 22pF
C129
1000pF
R161
100K/NC
AGND
MROUT2
W=15mil 1
GND
6
W=15mil T1
MROUT1 2 7
DET
3
R170 MROUT1 r
HPEARSW
3 D17
BAT54C
10K
W=15mil
1 5
DET2
R172
1M MLOUT1
MLOUT1 W=15mil 4
L
2
W=15mil coax
MLOUT2
AMP5V P3
C135
1000pF AGND
R183
AGND
100K
1
AGND GND
6
T1
7
DET
3
r
MROUT2
NC
W=15mil
5
DET2
MLOUT2
4
L
2
coax
NC
FB24
P5
KLN501
DV33
PGND 2
VDO_IN
3 D20
BAT54S/NC
1
FB19 AGND
1.8uH
CVBS_OUT
W=15mil
KLN501
DV33
2
C141
100pF 3 D21
BAT54S
1
AGND
C
8-4
D
W=15mil
+12VM
R124 100
2 3
Q19
AVREF
MMBT3906LT1
R131 47K
R130 20K
R133
2.2K
CE38 R135 C117 C118
CE39
100uF/16V
100uF/16V
51K 0.1uF
0.1uF
Q21
1
R136 10K MMBT3904LT1
CE40
AGND
22uF/16v
AGND
AGND
AUDIO MUTE CIRCUIT
AMPVCC
R145 1K
2 3 MUTE
Q23
MMBT3906LT1
MMBT3906LT1
D15 LL4148
R147 3 2
10K
Q24
R148 22K
CE43
Q25 100uF/16V
MMBT3904LT1
R150 10K
1
CE44
AGND
R151
R152 1K
10K 22uF/16v
R153
100K
-10V
-10V 5
AGND
SHDN
10K/NC
MUTE R146
1
Q28
MMBT3904LT1/NC
AGND
AGND
AV
1
GND
6
R163 T1
7
3 IN/OUT
DET
ADO_INR
3
10K/NC r
W=15mil
5
DET2
ADO_INL 4
L
VDO_IN
2
coax
W=15mil
P2
AGND
AV
1
GND
6
R184
T1
3 OUT_EN 7
DET
MR
10K 3
r
W=15mil
5
DET2
ML 4
L
CVBS_OUT
2
coax
W=15mil
P4
D
E
1
2
3
4
E