Philips PET742 Service Manual page 15
Dvd portable player
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Also See for PET742:
- Quick start manual (1 page) ,
- User manual (21 pages) ,
- Specifications (3 pages)
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MAIN BOARD POWER CIRCUIT DIAGRAM
POWER ON
ON/OFF
C3
0.1u
POWER OFF
C0402
L1
L-851
F1
2A_FUSE
TFL-4-2A
1
3
4
SMT6.3
1
2
C5
2
J3
0.1uF
C0603
3
DC JACK(+9V~+12V)
JK9
DC_IN
V33
R12
R13
R14
0R
10K
10K
Low_Voltage_Det
1N4148/SMD
Q8
3904
R17
1K
Q9
3904
R20
1K
POWER
DC_IN
DC_IN
4
DV33
DV33
2,3
RFV33
RFV33
2
V18
V18
2
+5V
+5V
2,4
AVCC
AVCC
2
Low_Voltage_Det
Low_Voltage_Det 2
battery charge
Q1
CES2307
+9VDCIN
CHARGE
SOT23
1N4148/SMD
R0402
1N4148/SMD
B-CHARG
Q2
R3
0
3904
R0603
Q3
SOT23
3904
4.7K
SOT23
R0603
SWITCHPOWER
R4
J2
switchpower
3
4
B-CHARG
2
5
1
6
R6
100K
R0402
D6
1
2
C6
C7
D7
SK34
R8
4001
1000pF
0.1uF
100K
C0603
C0603
R0402
1N4148/SMD
ON/OFF
Q6
3904
SOT23
R9
4.7K
SSP0403STR
DC_IN
Q7
L5
22uH
1
3
SMTCD54
R10
SOT23
R11
EC4
10
C10
10K
+
R0603
R0402
0.1uF
100uF/25V
GND
5
VIN
GND
C11
3
1uF(0805)
VFB
1
CE
U1
SS7701
GND
GND
L6
Q10
SSP0403STR
1
3
R21
R22
SOT23
EC6
10
10K
C14
R0603
+
R0402
SS14
0.1uF
100uF/25V
C0603
8/5
GND
GND
5
VIN
C15
GND
3
VFB
1uF(0805)
1
CE
C0805
U2
SS7701
R26
GND
IC5
10K
R0402
GND
GND
BATTERY
DIP4-1.25
R2
560R
R0402
RED
D3
C1
V33
D4
0.1uF
R5
2K
LED
C0402
R0603
SK34
CHARGE ON INDICATION
SS14
GREEN
POWER ON
INDICATION
Q4 2307
1
3
DC_IN
DC_IN
SOT23
R7
C4
100K
0.1uF
1N4148/SMD
R0402
C0603
EC1
Q5
+
3904
100uF/25V
SOT23
8/5
V33
L2 NC/10uH
L3225
+5V
V33
L3 10uH
22uH
L3225
L4
SMTCD54
C9
EC3
+
100uF/10v
SS14
0.1uF
7/5
C0402
GND
GND
GND
560
R16 22K
R15
R0402
R0402
R19
10K
GND
+5V
SMTCD54
22uH
C13
EC5
+
0.1uF
100uF/10v
C0402
7/5
GND
GND
R23 18K
R24 22K
V33
R0402
R0402
L8
FB600R
DV33
L-0805
EC8
C18
+
100uF/10V
0.1uF
7/5
C0402
U3
3
IN
OUT
EC9
C19
2
+
GND
100uF/10V
0.1uF
7/5
C0402
AAC1117-1.8
2SB1132
D5
C2
NC
LED
C0402
0.1uF
C6
3
PS
2
1
2
1
C9
0.1uF
3
1
2
2
1
DN2 SS214U
DN3
C13
0.1uF
1
1
2
2
3
+9VIN
SS214U
R16
1k
AVCC
AVCC
EC2
C8
+
100uF/10V
0.1uF
7/5
C0402
DV33
FB600R
L7
RFV33
RFV33
L-0805
EC7
C17
+
100uF/10V
0.1uF
7/5
C0402
V18
1
V18
EC10
C20
+
100uF/10V
0.1uF
7/5
C0402
VGL
3
1
R15
Q6
2
1
2N3906
C7
C8
1uF
1uF
4.7k
D5
C10
12V/7V5
1uF
GND
GND
GND
Q7
3904
3
1
VGH
R17
C14
1k
C15
1uF
1uF
D6
GND
16V
GND
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