Philips PET7402D/05, Service Manual

Page: 16 / 32

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
GREEN
POWER ON
INDICATION
POWER ON
POWER OFF
POWER
1 on
0 off
MAIN BOARD POWER CIRCIUT DIAGRAM
V18
+5V
RFV33
AVCC
DV33
AVCC
ON/OFF
ON/OFF
DV33
VGL
VGL
VGH
DC_IN
PS
-6v
RFV33
PS
-6v
V18
VGH
ON/OFF
RFV33 2
+5V 2,4
DV33 2,3
AVCC 2
V18 2
DC_IN 4
VGL 2
VGH 2
-6v 2
V18
RFV33
V33
DC_IN
DV33
V33
AVCC
GND
GND
GND
GND
GND
DC_IN
GND
GND
GND
+5V
+5V
+5V
+5V V33
DC_IN
GND
GND
GND
GND
GND
GND
Q5
3906
SOT23
2
1 3
C5
1000pF
C0402
Q2
3904
SOT23
L5
FB600R/0805
L-0805
Q3
3904
SOT23
2
1
3
C16 1uF/0603
C0603
1 2
R14
1k/0603
R0603
1
2
D7
16V
IN4148
1
2
DN3
SS214U
SS214
1
3
2
+ EC2
EC100uF/10V
5/5
C18 1uF/0603
C0603
1 2
DN2 SS214U
SS214
1
3
2
R3
100K
R0402
C23
1uF/0603
C0603
1
2
J4
DC JACK(+9V~+12V)
JK9
1
2
3
C3
0.1uF/0603
C0603
D6
12V
IN4148
1
2
L3 22uH/CD54
SMTCD54
C24 1uF/0603
C0603
1 2
+
EC7
EC100uF/10V
5/5
C15
0.1uF
C0402
C25
1uF/0805
C0805
1
2
R1
2K
R0402
C17
1uF/0805
C0805
1
2
R5
4.7K/0603
R0603
DN1
SS214U
SS214
1
3
2
C19
0.1uF
C0402
D1
LED
C1
0.1UF
C0402
R13
1k/0603
R0603
U2
AAC1117-3.3
1117
2
1
3
OUT
GND
IN
R12 4.7k/0603
R0603
1 2
D4
16V
1N4148/SMD
1
2
D3
15V
1N4148/SMD
1
2
R3
100K
R0402
+
EC6
EC100uF/10V
5/5
U3
AAC1117-1.8
2SB1132
1
2
3
OUT
GND
IN
C7
0.1uF
C0402
+ EC10
EC100uF/10V
5/5
L4
22uH/CD54
SMTCD54
+
EC5
EC100uF/10V
5/5
C13
0.1uF
C0402
Q3 3904
SOT23
2
1
3
+
EC4
EC100uF/25V
8/5
D4
6.8v
1N4148/SMD
1
2
+
C20
EC47uF/16V
5/5
+
C27
EC47uF/25V
6.3/5
C26
0.1uF/0603
C0603
Q5
3906
SOT23
2
1
3
R7
47K
R0402
C22
0.1uF
C0402
C9
0.1uF/0603
C0603
R3
100K
R0402
Q6
3904
SOT23
2
1
3
R3
100K
R0402
C6
0.1uF/0603
C0603
R11
10K
R0402
D2
SS14
SS14
L2
10uH/3225
L3225
Q4 2307
SOT23
2
1 3
+ EC9
EC100uF/10V
5/5
C4
0.1uF/0603
C0603
R6
10R/0603
R0603
R8
18K
R0402
C21
0.1uF
C0402
+
EC3
EC100uF/10v
5/5
R10 4.7K/0603
R0603
+ EC8
EC100uF/10V
5/5
C11 NC
C0402
1 2
Q1 2307
SOT23
2
3 1
C8
0.1uF
C0402
L1 L-851
TFL-4-2A
1
3
2
4
R9
22K
R0402
+
EC1
EC100uF/25V
8/5
C10
1uF/0805
C0805
D5
SS14
SS14
C14
0.1uF
C0402
C2
0.1uF
C0402
R4
4.7K/0603
R0603
R10 NC
R0402
R3
100K
R0402
U1
S701
IC5
1
2
3
4
5
CE GND
VFB
EXT
VIN
F1 2A_FUSE
SMT6.3
J1 switchpower
SWITCHPOWER
1
2
3 4
5
6
C12
0.1uF
C0402
Q3 3904
SOT23
2
1
3
R2
100K
R0402
L6 FB600R/0805
L-0805