Philips PET702 Service Manual page 20

7.0 Electrical Diagram - Main board
5
R105 30K
C102 100pF
U9A
R107
C103 1uF/0805 R106 10K 5.1K
AOUT_L
2
1
3
R110 C104
NJM4558-SOP-8
NC 1000pF
D
+Vcc
R112 100K AC
R112 30K
C106 100pF
R115
C109 1uF/0805 R114 10K 5.1K U9B
AOUT_R 6
7
5
VER
R118 C110
NJM4558-SOP-8
NC 1000pF
C 2 C 2
1 B E 3 1 B E 3
2N3904 2N3906
L39 FB600R R126 51K
VCC9 +Vcc
+ C112
EC35
47uF/16V 0.1uF
C
DC_IN
R129
VCC3
470/nc
R132 22k/nc
R133
10k/nc
R136
10k/nc
D13 Q20 Q21
3V3/SMT/nc 3906/nc 3906/nc
D14
2
1
BAT54C/nc
VCC3
R143
4.7k/nc
R144
B
MUTE_DAC Q24
3906/nc
10k
R148
100K/nc
A
5
4
R109
EC33 10uF/16V R108 330R
AV-OUT-L AV-OUT-L A_L_SPEAKER
C105 5.6K
A_MUTE Q17
820p
3904/nc
R111 1K/nc
R117
EC34 10uF/16V R116 330R
AV-OUT-R A_R_SPEAKER
AV-OUT-R
5.6K
R125 1K/nc
A_MUTE Q18 C111
3904/nc
820p
R127 100K
AC VER
R128 C113 +EC36
56K 0.1uF 47uF/16V
VCC
C114
47uF/25V/nc R134 R135
4K7/nc 4K7/nc
Q22
3906/nc
R139 470/nc
3 Q23
3904/nc
L_HP_IN
A_MUTE
R_HP_IN
4
3
L36 1.8uH
CVBS
R113 C107 C108
100pF
180R 1% 100pF
C 2 C 2 2 2
1 B E 3 1 B E 3 1 1 3 3
2N3904 2N3906 BAV99
DC_IN
Q19 2307
VCC9
1 3
EC37 +
47uF/25V
D12
IN4148 R131
100K
+
EC38 C115
100uF/16V 0.1uF
EC39
+
R138 C116
100uF/16V
10K 820P U10
EC41 1uF/50V R140 30K
7
1 EC42 100uF/16V
8
EC44 1uF/50V R141 30K
6
EC45 100uF/16V
3
5
C119
APA2822
0.1uF
R145 C121 + EC46
100uF/16V R146
4.7R
10K 820P
VJ2
L_HP_IN
1
1
A_R_SPEAKER
2
2
3
3
A_L_SPEAKER 4
4
R_HP_IN 5
5
VOLUME 10K
3
2
L34
0
AV/OUT-JACK JACK1
AV-OUT-L L35 FB2K2
6
CVBS_OUT 6
L37 FB2K2
2
7
7
AV-OUT-R L38 FB2K2
R137 560R
L40 FB2K2
C117
0.1uF
EC40 33uF
VER1
9
10
earphone
11
L41 FB2K2 EC43 33uF
L42 FB2K2 R142 560R
C118
C120
0.1uF
0.1uF
VJ1
SPR
1
1
R147 2
SPL 2
3
4.7R 3
C122 4
4
0.1uF
VOLUME 10K
C123
0.1uF
2
1
AOUT_L
2 AOUT_L
AOUT_R
2 AOUT_R
MUTE_DAC
2 MUTE_DAC
VCC
1,2 VCC
D
VCC3
1 VCC3
CVBS
CVBS 2
DC_IN
DC_IN 1
C
B
A
1