ViewSonic VG921m-2 Service Manual page 41

VDD+12
VDD+12
C414
0.1uF/16V
R405
V0
30.1k
V1
V5
GND
V8
V12
V13
2
VR1
TMC3K-B10K-TR
C406
0.1uF/16V
R406 GND
20KΩ 1/16W
GND
GND
R401
VDD+12
NC
C419
NC
GND
R402
VDD+12
0
C407 C420
10u 0.1u
1206
ViewSonic Corporation
U400
20 1
VDD VDD
19 2
VGMA0
IN1 OUT1
18 3
VGMA1
IN2 OUT2
17 4
VGMA5
IN3 OUT3
16 5
VGMA8
IN4 OUT4
15 6
VGMA12
IN5 OUT5
14 7
VGMA13
IN6 OUT6
13 8
NC NC
12 9
INCOM OUTCOM
11 10
GND GND
R404 C400
BUF07703
+
47uF/16V
GND 10KΩ 1/16W
R413 R415 R417
NC NC NC
V0
V1
R422 R439 R441 R443 R445
11 1% 14.3 1% 93.1 1% 27.4 1% 21 1%
C421 C422 C423 C424 C425
0.1u 0.1u 0.1u 0.1u 0.1u
38
Confidential - Do Not Copy
GND C408 C140 C411
NC NC NC VCC VGH
TP145
STV1
CPV
OE
TP146
TP147 TP148 TP149
XAO
C415 C416
0.1uF/16V C413 0.1uF/16V
10u/NC
GND GND
VCOM
R400
VCOM
0Ω 1/16W
TP2
C405
0.1uF/16V
VCOM: 4~6V
GND
R421 R418 R416
NC NC NC
V5
R447 R419 R403 R420
39.2 1% 46.4 1% 6.2 1% 39 1%
C426 C427 C428 C429
0.1u 0.1u 0.1u 0.1u
VG921m-2
1
VGL 2
3
4
5
6
7
8
9
10
11
12
13
TP150 14
15
16
17
18
VCOM
19
20
21
R528 C403 C418 C404 22
23
C412 10uF/16V 0.1uF/16V 10uF/16V 24
2.2u/NC 25
26
10KΩ 1/16W
AF724L-N2GIZ
GND GND GND
VGMA[0..13]
TP151
VGMA0
TP152
VGMA1
TP153
VGMA2
TP154
VGMA3
TP155
VGMA4
TP156
VGMA5
TP157
VGMA6
TP158
VGMA7
TP159
VGMA8
TP160
VGMA9
TP161
VGMA10
TP162
VGMA11
TP163
VGMA12
TP164
VGMA13
R414
V12
NC
V8
R448 R446 R444 R442 R440
39 1% 21 1% 27.4 1% 91 1% 15 1%
C430 C431 C432 C433 C434
0.1u 0.1u 0.1u 0.1u 0.1u
CN5
GND
GND
GND
VDD
VDD
NC
STV
STV2
CPV
OE
NC
VGH
NC
VGL
NC
VGC
XAO
VCOM
VCOM
GND
GND
GND
GND
GND
GND
GND
R423
6.2 1%
C435
0.1u
GND
ViewSonic Corporation
Model
Title
Date Rev: