5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
D
E
POWER OFF
battery charge
DISCHARG
C
G
2
GREEN
POWER ON
B
3
POWER
LED
S
1
TO TFT
TO IR/AVOUT
TO 4558
TO CT901
TO 5654
The power switch is on
the battery board
RED
CHARG
CHARGE
LED
<Doc>
1.0
PET723 DVD SCHEMATIC
D
1
5
Wednesday, March 19, 2008
Title
Size
Document Number
Rev
Date:
Sheet
of
PS
+9VOUT
DC_DE
+9V
+9VIN
PS
ON/OFF
DC_IN
+9VIN
ON/OFF
+5PV
+5VCC
RFVCC
+1.8V
+9VIN
5VM
TFT_+5V_IN
+3.3V
VDD
DC_DE
+9VDCIN
ON/OFF
+9
V
O
U
T
B-CHARG
B-CHARG
B-CHARG
BATT DET
2
5VM
3
TFT_+5V_IN
5
+3.3V
2,3
RFVCC
3
+1.8V
2
+5VCC
4
VDD
2,4
+9VIN
4,5
TFT_+5V_IN
5VM
RFVCC
+3.3V
+9VIN
+5V
+5VCC
+9VIN
+3.3V
+1.8V
+9VIN
VDD
R84
1K
R2
120R
C10
0.1uF
C
2
0.
1uF
C13
0.1uF
D1
1
SS1
4
Q9
SSP0403
3
1
2
R22
22K
L4
FB 600R
+
EC5
100uF/10V
1
2
D5
SK34
1
2
C5
1000P/NC
1
2
C8
0.1uF
R
184
10K
C4
0.1uF
R25
10
+
EC6
47uF/10V
1
2
CB7
0.1uF
J5
4x1
4
3
2
1
5
6
7
+
CE4
100uF/25V
EC8
100u/10V
1
2
R16
0
C14
0.1uF
+
CE2
100uF/25V
CB1
0.1u
L2
15uH
CB4
0.1uF
R21
18K
C9
0.1uF
Q7
3904
1
2
3
J3
switchpower
1
2
3
4
5
6
L8
22uH
C6
0.1uF
D7 SK34
1
2
R182
10K
+
CE3
470uF/6.3v
L11
FB 600R
L3
22uH
Q13 SSP0403
1
2
3
CB3
0.1uF
R15
3.3K
C11
1uF(0805)
L9
FB600R
R180
2.7K/NC
D6
Q1
NPN3904
1
2
3
C12 1000P/NC
1
2
Q10
3904
1
2
3
CB6
0.1uF
R179
20K
R24
10K
L1
22uH
R6
22R
R
183
1K
R
8
10K
L6
FB 600R
CB5
560pF/NC
D1
2
SS1
4
L12
10uH 4532
T1 CON
1
3
2
4
C3
1uF(0805)
R12
1K
R23 2.7K/NC
R27
1K
R186
10K
C7
0.1uF
R14
4.7K
+
CE1
470uF/6.3v
R19
10
R18
1K
D
1
0
15V
1
2
R39
1K
R178 3.3K
D23
+
E
C
1
10uF
/25V
1
2
F1
FUSE
U3
SS7701
1
2
3
4
5
CE
GND
VFB
EXT
VIN
Q6
SSP0403
3
1
2
R17 10K
+
EC4
100u/10V
Q8
3904
1
2
3
D1
15V
1
2
L10
FB 600R
R26
10
Q12 SSP0403
1
2
3
CB2
560pF/NC
R13
30K
D
9
1N
4001
1
2
R1
47R
U2 1117-1.8V
2
1
3
OUT
GND
IN
+
EC2
100uF/25V
1
2
U1
SS7701
1
2
3
4
5
CE
GND
VFB
EXT
VIN
R
185
100K
L7
15uH
+
EC7
47uF/10V
1
2
J2
DC JACK
1
3
2
Q11
3904
1
2
3
L5
FB 600R
EC9
10uF/10V
1
2
+
EC3
100u/10V
R20
10
C
1
0.
1uF
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 ...