![background image](http://html1.mh-extra.com/html/viewsonic/vx1940w-2/vx1940w-2_service-manual_1021493022.webp)
19
”
LCD
View Sonic VX1940W-2
- 22
–
ViewSonic Corporation
Interface
[IN V_ GN D]
+5V
V33S
V33S
LIPS Interface
Q2
SST3906F
1
2
3
Q4
2N 7002/R oH S
1
3
2
GN D _POWER
C N 4
7101N -E015-N N N /R oH S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R 69
0402/1K/5%
PAN EL_ON
3
PAN EL_ON
AD C _VAA
BSTH I
3
IN V_AD J
3
IN V_ON /OF F 3
U 8
L1117LG-1.8
G
ND
1
VOU T
2
VIN
3
VOU T
4
LED _O
AD C _VAA 2,3,5
R 72
0402/4.7K/5%
D VD D
2,3,5
L3
MPZ 1608S221ATA00/R oH S
L4
MPZ 1608S221ATA00/R oH S
L2
MPZ 1608S221ATA00/R oH S
L1
MPZ 1608S221ATA00/R oH S
B_D[0..19]
3
F STH I
3
R 60
0402/33R /5%
C 34
1206/10u/6.3V/5/R oH S
B9
0603/0R/R oH S
1
2
F _D[0..19]
3
V33S
+5V
GND _POWER
B10
0603/0R/R oH S
1
2
B6
0805/0R /5%
1
2
(SCALER VCC)
SOU R C E_SELEC T
3
KEY _U P
3
MEN U
3
KEY _D OWN
3
AU TO_AD J
3
STV
3
R 68
0402/10M/5%
GN D _POW ER
R 67
0402/33K/5%
Q3
AP2305GN
1
3
2
+5V1
TP
1
OSD Interface
B13
Bead/220R /2A/0603/R oH S
1
2
LED _O
LED _G
VGA_3V3 2,3,5
R 66
0402/4.7K/5%
+5V
C 35
N C /0402/100n/16V/Y
B7
0805/0R /5%
1
2
C KV
3
C 39
N C /0402/100n/16V/Y
GND _POWER
D 5
EC 31QS03L/R oH S
1
2
X Board Interface
R 62
0402/33R /5%
R 71
0402/240R /1%
C 40
N C /0402/100n/16V/Y
LED _GR N
3
LED _OR G
3
SPK_L-
6
SPK_R -
6
SPK_R +
6
OE
3
C 36
N C /0402/100n/16V/Y
MC U _VD D 2,3,5
GN D _POWER
R 56
0402/33R /5%
C N2
H EAD ER 2X4FR 2.54/R oH S
1
2
3
4
5
6
7
8
R 64
0402/10K/5%
SPK_L+
6
LIPS_5V
R 63
0402/33R /5%
R 70
0402/10K/5%
MC U _VD D
V33S
2,3,5
+
C 64
LV101M016E055R
+5V
GN D _POWER
V5P
R 57
0402/33R /5%
C 37
N C /0402/100n/16V/Y
B5
0805/0R /5%
1
2
C 41
1206/10u/10V/Y /E
R 58
0402/33R /5%
POL
3
C 58
0402/100n/16V/Y
V18C 1
TP
1
GN D
C 60
0402/100n/16V/Y
R 59
0402/33R /5%
C VD D 1V8
C 59
1206/10u/6.3V/5
C 57
1206/10u/10V/Y
Scaler Core
V33S
VGA_3V3
LIPS_5V 6
GN D _POWER
C 33
1206/10u/10V/Y /E
Option for NT68670
STB
3
+5V
2,5
R 65
0402/240R /1%
PW R _SW
3
U 5
EC 50117KAG/3.3V/1A
G
ND
1
VOU T
2
VIN
3
VOU T
4
GVON
3
LED _G
BR 0N
B_D 0
C 38
N C /0402/100n/16V/Y
C N3
089H 55-000000-G2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
BR 1N
B_D 2
BR 2P
B_D 5
BR 2N
B_D 4
BR 1P
B_D 3
F B2N
F _D 16
C KV
BR 0P
B_D 1
F B1N
F _D 14
F B1P
F _D 15
F B2P
F _D 17
STV
F B0N
F _D 12
F B0P
F _D 13
R 61
0402/33R /5%
Q5
SST3906F
1
2
3
F G1P
F _D 9
F G2P
F _D 11
F G2N
F _D 10
F G0N
F _D 6
F G0P
F _D 7
F G1N
F _D 8
F C KN
F _D 18
OE
GVON
F C KP
F _D 19
F R 0N
F _D 0
F R 0P
F _D 1
F R 2N
F _D 4
F R 2P
F _D 5
F R 1N
F _D 2
F R 1P
F _D 3
VC M_PW M
3
BSTH I
VC M_PW M
BB1P
B_D 15
BB2N
B_D 16
F STH I
BB1N
B_D 14
BB0P
B_D 13
D VD D
BB2P
B_D 17
BB0N
B_D 12
POL
BG1P
B_D 9
C 31
0402/100n/16V/Y
BG0N
B_D 6
BG1N
B_D 8
BG2N
B_D 10
BG2P
B_D 11
BG0P
B_D 7
C 32
1206/10u/10V/Y /E
BC KN
B_D 18
STB
BC KP
B_D 19
B8
0603/0R/R oH S
1
2
Summary of Contents for VX1940W-2
Page 28: ...0 V 9 0 1 Thu Nov 06 16 57 50 2008 Untitled ...
Page 29: ...0 V 9 0 1 Thu Nov 06 16 55 04 2008 Untitled ...
Page 30: ...19 LCD View Sonic VX1940W 2 33 ViewSonic Corporation 7 Trouble shooting flow chart ...
Page 38: ...22 LCD View Sonic VA1616W 6 40 ViewSonic Corporation 9 Exploded diagram ...
Page 39: ...22 LCD View Sonic VA1616W 6 41 ViewSonic Corporation ...