Philips PET741/37, Service Manual

Page: 15 / 31

3
2
E
2 2
1 B 3
3
2
C C
1
2N3904
1 3
BAV99 2N3906
B E
1
CIRCUIT DIAGRAM-V
IDEO&AUDIO OUTPUT
C
1
E
2
1
B
2N3904 2N3906
B
2
3
E
3
C
AV-OUT-L
AV-OUT-R
CVBS_OUT
CVBS
A_L_SPEAKER
A_R_SPEAKER
VCC9
R_HP_IN
SPL
SPR
L_HP_IN
R_HP_IN
L_HP_IN
AV-OUT-L
AOUT_R
VCC9
AC
+Vcc AC
+Vcc
A_L_SPEAKER
A_R_SPEAKER AV-OUT-R
AOUT_L
DC_IN
VER
VER
R25
10k
R135
NC
R134
100K
R132
100K
JACK1 AV/OUT-JACK
6
7
1
2
3 45
6
7
L30
FB2K2
R137
NC
R126
75R 1%
C100
100pF
R105
5.1R
C101
100pF
L33 FB2K2
R136
NC
L34 FB2K2
L32 1.8uH
L31 FB2K2
+
EC2
47uF/16V
C112
0.1uF
+
EC32
10uF/16V
+
EC31
100uF/16V
L38 FB2K2
C114
0.1uF
C115
0.1uF
+
EC30
100uF/16V
C109
0.1uF
R150
4.7R
R145
10K
VER1
earphone
1 2 3
4 5
6 7
8
9
10
11
+
EC36
100uF/16V
+
EC34 10uF/16V
C110
0.1uF
R151
4.7R
VJ2
VOLUME 10K
1
2
3
4
5
1
2
3
4
5
+
EC33 100uF/16V
L36 FB2K2
+
EC35 100uF/16V
C113
150P
VJ1
speaker
1
2
3
4
1
2
3
4
R147 56K
R143
100K
D16
IN4148
R141
2R(0805)
R149
10K
+
EC29
22uF/25V
L37 FB2K2
C107
0.1uF
U9
APA2822
1
2
3
4
5
6
7
8
C111
0.1uF
Q22 2307
2
1 3
R146 56K
R148 200R
R142
2R(0805)
R144 200R
C108
150P
C99 100pF
R123
NC
R120
5.1K
C97
1000pF
+
EC25 10uF/16V
+
EC26 10uF/16V
R124 100K
R119 10K
R138
39K
+
-
U8A
NJM4558-SOP-8
3
2
1
8
4
L35 FB600R
C105
0.1uF
C98
820p
+
EC27
22uF/25V
R128
5.1K
C103
1000pF
R139 100K
C96 1uF
C104
820p
C102 1uF R127 10K
C95 100pF
+
-
U8B
NJM4558-SOP-8
5
6
7
8
4
C106
0.1uF
+
EC28
47uF/16V
R121 360R
R118 33K
R140
43K
R130
24K
R122
24K
R125 33K
R129 360R
R131
NC
7.0 ELECTRICAL DIAGRAM