5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
<Doc>
1.0
PET723 DVD SCHEMATIC
C
5
5
Wednesday, March 19, 2008
Title
Size
Document Number
Rev
Date:
Sheet
of
+9VIN
DCPWM1
TFT_B
TFT_G
TFT_R
DC_FBK1
+3.3V
TFT_+5V_IN
TFT_+5V_IN
+9VIN
SPL
SPR
IR
POL
BL_EN
KEY
VCOM_DC
VCOM_DC
TRAY IN
STVD
CKV
TFT_R
TFT_G
TFT_B
PCK1
OEH
STHL
OEV
DC_FBK1
DCPWM1
LED_EN
AMP_R
2
+9VIN
1,4
DC_FBK1
2
DCPWM1
2
AMP_G
2
AMP_B
2
+3.3V
1,2,3
TFT_+5V_IN
1
SPL
4
SPR
4
BL_EN
2
POL
2
IR
2
KEY
2
TRAY IN
2
STVD
2
CKV
2
STHL
2
PCK1
2
OEV
2
OEH
2
DC_FBK1
2
DCPWM1
2
LED_EN
2
SGND
+5VD
VGND
VGND
VGND
+3.3V
R176
390R
+
EC15
100uF/10V
L40
FB 600R
R154
NC
R141
10K
1
2
R153
NC
C131
0/0805
+
EC62
22uF/25V
C132
0/0805
L62
FB600R
VR1
VR-10K
1
3
2
C172
0.1uF
C128
0.1uF
CON1
32PIN/0.5MM/
立式
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
21
19
20
25
22
23
24
30
26
27
28
29
31
32
SP_L
AGND
SP_R
GND
GND
9V
9V
TRAY IN
BL_EN
GND
5V
VCOM_DC
GND
IR
GND
KEY
GND
VCOM
GND
STVD
CKV
GND
TFT_B
TFT_G
TFT_R
GND
OEV
OEH
STHL
PCK1
VGL
VGH
C130
0/0805
R155
NC
R158
NC
R157
NC
R177
5K6
C174
0.1uF
C127
10u/10V/0805
L60
FB600R
R156
NC
Summary of Contents for PET723
Page 9: ...3 0 INSTRUCTION FOR USE ...
Page 19: ...5 0 TROUBLESHOOTING SYMPTOM NO SOUND FROM HEADPHONE ...
Page 22: ...6 0 BLOCK DIAGRAM ...
Page 30: ......
Page 31: ......
Page 32: ......
Page 33: ......
Page 34: ......
Page 35: ......
Page 41: ...9 0 REVISION LIST Version 1 0 3141 785 32530 Initial release PET723 05 12 93 98 ...