ViewSonic VX2235wm-4, Service Manual

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46
ViewSonic Corporation
Confidential - Do Not Copy
VX2235wm-4
Model
Title
Date Rev:
ViewSonic Corporation
POWER
8 . 9 . POWER
24V
5V
5V
GND
GND
5 V
Brightness
ON_OFF
24V
+
C805
120uF/400V
R851
1.21K 1%
R809
10K
R842
1K
D806
UF4007
R808
100K/1%
R838
470R
+
C823
470uF/35V
R803
910K
R821
22 1/2W
+
C822
470uF/35V
R811
0.47R/ 2WS
R822
47 2WS
L803
jumper
R828
62K 1%
D821
GMR10H200C
1
3
2
C828 NC
R832
470R
C820
1000PF/1KV
C804
0.1uF
+ C824
1000UF/10V
Q801
FQPF7N65C
1
2
3
T801 DS-3319
3
1
2
5
9
7
6
8
R854
100
+
C829
470uF/35V
R839
392K 1%
-+
D801
GBU4K
2
1
3
4
R831
100
R807 39
T2.5A/250V
F801
+ C825
470uF/16V
R844
392K 1%
R834
100K/1/4WS
R824
3.9K 1%
R810
NC
C801
0.22uF
C832
NC
R823
270
D822
SB1060FCT
1
3
2
C803
2200pF
Q802
2SC945
3
1
2
Z801
HZ24A-3
R820
47 2WS
R833
100K/1/4WS
+
C810
22UF/50V
R812
910K
C806
1000PF/1KV
Z802
HZ24A-3
+ C809
NC JUMPER
F802
R805
392K 1%
L804
5.2UH
+
C827
10UF/50V
C807
2200pF
R836
100K/1/4WS
I802
TLP621
4
3
1
2
P802
9
8
7
6
5
4
3
2
1
C831
10000pF
C821
1000PF/1KV
C813
2200pF
R850
NC
L805
ET24
3 2
4 1
Z803
RLZ27B
P801
AC IN 100~240V
3 1 2
N
L
FG
L801
3.5*4.5*0.8
+ C830
1000UF/10V
C802
2200pF
R806
1
0
K
R827
1K
L806
3Ts 6*10
TL431D
I803
D807
UF4004
R837
470/2W
R835
100K/1/4WS
R825
1.21K 1% R802
10 3A C826
0.1U
C808
470P
I801
LD7575
6 5 8
2 4 1
7
3
Vcc
Drv
HV
FB GND Adj
NC
CS