Service manual

57
12
5
4
Brightness
ON/OFF
12V
5V
S801
AC IN 100~240V
N
L
FG
R815
3.3K/1/4W
R840
3K/DIP
D812
1N4148
R802
10 3A
+
C822
1500uF/16V
R849
1K/1/2WS
R820
22 1/2W
C812
682P/DIP
+
C825
470uF/16V
C832
NC
R839 NC
L802
0.5X3T
- +
D801
2KBP06M
C802
4700pF
Q804
2N3906 DIP EBC
+
C823
470uF/25V
R804 511K/DIP
+
C805
100uF/400V
R839
1.2M/1/4WS
+
C824
1000UF/10V
R842
NC
L805
ET-20
C845
0.1uF/50V
TL431D
I803
R832
820R/1/4WS
D806
UF4007
Q803
2N3904 DIP EBC
R811
0.75R/ 2WS
R845
1K
R846
820/1/4WS
R848
8.2K/1/4WS
T801 ER28H 12PIN 2374228012
3
5
4
1
11,12
10
7,8
9
R854
8201/4WS
R828
1.58K 1%
R844
1.2M/1/4WS
R801 NA
C806
1000PF/500V
R850
1K/1/4WS
D813
1N4148
R805
1.2M/1/4WS
R824
24K 1%(5V)
D814
NC
R853
12R/1/4WS
R837 1K
R831
91K 1%
C826
4700PF/DIP
L801
BEAD
C811
1000P/DIP
D808
27V(3.3V)
22-2V(5V)
R825
11.8K 1%
R821
10 1/2W
C815
4.7U/50V
L808
0.5X3T
+
C809
10uF/50V
R809 47R/1206
R823
1K/DIP
D821
SRF10120
R834
100K/1/4WS
C807
0.1UF
R833
100K/1/4WS
C803
4700pF
R836
100K/1/4WS
L804
JUMPER
R835
100K/1/4WS
C831
4700PF
R806 511K/1206
R852
10R/1/4WS
D810
NC
C808
180P/DIP
R803
1M /1/4WS
L807
OPEN
R807
39/1206
D809
1N4148
R812
1M /1/4WS
C813
3300pF/500V
C820
1000PF/1KV
C801
0.47uF
D807
1U4G
R808
110K 1%
L806
BEAD
D822 SR306
T2.5A/250V
F801
R843 511K/1206
C804
NC
W/O P802
1
2
3
4
5
6
7
8
10
9
GND
Volume
Mute
GND
5V
5V
DIM
ON/OFF
12V
NC
C821
1000PF/500V
R826
5.6K
D805 NC
L803
5.2uH
I801 LD7552
6
5
8
2
4
1
7
3
Sense
RT
Driver
FB
RI
GND
VDD
VIN
Q801
AP03N70F
+
C839
1uF/50V
R851 JUMPER WIRE
+
C810
3.3UF/50V
I802
TLP621
4
3
1
2
D823
SR306
R830
1K 1%
10.7. A/D POWER
ViewSonic Corporation Confidential - Do Not Copy VA902-3_VA902b-3
65