Electrical Diagram - Philips PET744 Service Manual

5

7.0 ELECTRICAL DIAGRAM

CIRCUIT DIAGRAM-AUDIO&VIDEO
D
+5V
+5V 1
+9VIN
+9VIN 1
AU_R_OUT
R147 0
2 AOUT_R
R148 0 AU_L_OUT
2 AOUT_L
C
R207 750R
VOL_CONTROL
VOL_CON_PWM 2
C26
2.2uF/0603
B
R210
ER1
C213
10PF
2
HP_DET1
4
5
3
1
R211
MAIN EARPHONE
C214
10PF
R212
ER2
C215
2
HP_DET2 10PF
4
5
3
1
MAIN EARPHONE
R213
C216
10PF
A
5
4
R124
R126
EC34
R125 10K 5.1K
AU_L_OUT
2 1
10uF/16V R129 C125
NC 1000PF
R134
R137
EC37
R136 10K 5.1K
AU_R_OUT
2 1
VER
10uF/16V R145 C128
NC 1000PF
C 2 C 2
1 B E 3 1 B E 3
2N3904 2N3906
D11
L37 22UH/CD43
3904 1
+9VIN
3
R54
EC40
1k
22uF/25V
D13
10V
JK8
4
3
2
1
PIN HEADER 1X4
56
HP_L_OUT
56
56
HP_R_OUT
+5V_AMP
56
R208 R209
100K 100K
HP_DET1
HP_DET2
4
3
47K
C121 180PF
U12A
EC35 10uF/16V R127 0R
2
AV-OUT-L
1 1 2
3
NJM4558-SOP-8
R130
A_L_SPEAKER
22K
+Vcc
R133 100K AC
47K
C127 180PF
U12B
EC38 10uF/16V R144 0R
6
AV-OUT-R
7 1 2
5
NJM4558-SOP-8
R146
A_R_SPEAKER
22K
R149 51K R150 100K
+Vcc AC
VER
C130 R151 C131
+ +EC41
0.1uF 56K 0.1uF 10uF/16V
SPR_R+
HP_R_OUT
+5V_AMP
SPR_R+
SPR_R-
SPR_L-
R218
SPR_L+
NC
VOL_CONTROL
R215
R219
+5V_AMP
10K
R216 100K
SPR_L+
R220
HP_L_OUT
+5V_AMP
10K
L24
+5V
D21 FB 600R
R48
HP_DET
100R
BAT54C
3
2
2
AV_DET
FB2K2
AV-OUT-L L34
EC11
CVBS_O
L35 FB2K2
2 1
100uF/10V
FB2K2
AV-OUT-R
L36
C126
820P
FB2.2K
DVD_CVBS L35
C129
820P
R19
2 CVBS
5R1
C123
R132 100P
75R
VGND
EC66
220uF/16V
R214
10K
U13 TPA6019
24 1
ROUT+ PGND1
HP_DET SPR_R-
23 2
SE/BTL ROUT-
22 3
HP/LINE PVDD2 +5V_AMP
21 4
VOL RHPIN
100K
20 5
SEDIFF RLINEIN
19 6 C205 10uF/10V/0805
SEMAX RIN
18 7
+5V_AMP
AGND VDD
C206 1uF C207 10uF/10V/0805
17 8
BYPASS LIN
16 9
FADE LLINEIN
15 10
SHUN LHPIN
14 11
LOUT+ PVDD1 +5V_AMP
SPR_L-
13 12
PGND2 LOUT-
EC67
220uF/16V
R217
10K
+5V_AMP
C209
C210 + C211
EC64
0.1uF
0.1uF 0.1uF
100uF/10V
+5V_AMP
2
1
AV_DET
AV/OUT-JACK AV1
D
6
6
2
7
7
CVBS_O
C
C122 22P
DVD_CVBS
L32 1.8uH
C124
180PF
VGND
B
C204 10uF/16V
A_R_SPEAKER
C208 10uF/16V
A_L_SPEAKER
A
1