ViewSonic VX2000-1 Service Manual page 50

20.1" color tft lcd display
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5
JR1
+18_ 12V
1
2
3
4
C456
D
C1
L2
U3
1
2
+VIN
VOUT
4
VOS
C12
C
C11
C329
C13
+5V
FB3
3
B
C22
C21
C23
+5V
FB6
A
C28
C27
5
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4
+18_12V
C330
U1
1
NC
2
S
3
S
4
G
C350
R3
C375
1
6
PON
Q1
C352
C353
+5V
L3
L4
C8
C9
D1
C7
VAA3.3V
VPLL
FB1
FB2
U6
1
VI
VO
+
C25
C26
C24
L21
PVCC1
AVCC1
1.8V
FB4
FB5
U7
3
1
VI
VO
C29
+
C31
C32
C30
4
ViewSonic Corporation
3
L23
VPL
8
D
7
L24
D
6
D
5
D
C6
R5
R4
C5
+5VA
L5
C10
U5
+5V
3
VIN VOUT
C18
U5 7
V33
3
VIN VOUT
L20
V33
3
10-1-1
Confidential – Do Not Copy
2
C4
L1
R2
R1
7
BRIGHTNESS
R235
V33
+5V
2
C20
R1 0
C19
R1 2
1.8V
2
R334
C440
C439
R333
Title
Size
Date:
2
VX2000
1
+12VP2
C328
7
DF_B LON
7
BLO N_FU
C354
R268
U4
3
2
VIN VOUT
C15
R9
C14
C16
R11
R320
R319
R321
R322
ViewSonic Corporation
VX2000
Document Number
B
POWER
1
Sheet
of
M04-3005F1 R
1
JP
12
1
11
1
10
1
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
V2
C17
11

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