Philips PET988 Service Manual page 21

5
CN1
D
DC JACK
F1
2 1
FUSE
D1 910R 1%
4001
18K 1%
C
SS214U DN1/NC -7V
0.1uF
C6
3
PS
2 2 1
B
1
C9
3
0.1uF
1 2 2
1
C10
DN2 SS214U
1uF
DN3 GND
C13 0.1uF 1
1 2 2
3
+9VIN
SS214U
R16
1k
A
5
4
9V
SSP0403STR
Q1
ON/OFF 2 Q3
3904
Q4
2
3904
R5
1K 1%
J1 switchpower
3
ON/OFF
2
CB5 1
0.1u
DN1 NC R15=0 D5=7V5
20080410
VGL
3 1
R15 Q6
C7 2 1 2N3906 C8
1uF
1uF
4.7k
D5
12V/7V5
GND
GND
Q7
3904
VGH
3 1
R17
C14
1k
C15
1uF
1uF
D6
GND
16V
GND
4
3
+9VIN
+
47uF/25V
EC1
+5V VDD
C12
100n
SGND
L4
4
+5V 5VM
5
FB 600R
6
+D
Q29 SSP0403STR
2
R202
R203
EC64
10
C149 10
+
0.1uF
100uF/25V
GND
5
VIN
GND C150
1uF(0805)
1
CE
U13
SS7701
GND
GND
Q28 SSP0403STR
2 3
C158
R198
R199
EC63
10
10
C159
+
560P
0.1uF
100uF/25V
GND
GND
5
VIN
GND C148
3
1uF(0805) VFB
1
CE
U14
SS7701
GND
GND
3
2
+3.3V +1.8V
U2
3 2
IN OUT
1 4
GND OUT
EC2
+
1117-1.8V C3
100uF/10V
0.1uF
+3.3V
3
22uH
C153 L6
C152
EC65
+
560P
470uF/6.3v
0.1uF
GND
GND
GND
R206
NC
GND
560 R204 22K
R206
3
VFB
R208
10K
GND
L4
+5V
PS
22uH
C157
EC66
+
470uF/6.3v
0.1uF
GND
GND
GND
NC
R214
18K R211 22K
R213
R215
10K
GND
Title
POWER
Size Document Number
C
Date:
2
1
9V
9V 2
+9V
+9V
+9VIN
+9VIN 2,4
+5V
+5V 2,3,4
+1.8V
+1.8V 2
+3.3V
+3.3V 2,3,4
VGL
VGL 2
VGH
VGH 2 D
5VM
5VM 3
VDD
VDD 2,3,4
C
B
A
Rev
PET988 Ver A1
Wednesday, August 06, 2008 Sheet 1 of 7
1