ViewSonic VG921m-2 Service Manual page 47

19” color tft lcd display
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Vin
GND
ON/OFF
IC_VCC
R41
R40
R12
Q3
DBRT
C8
R19
R1
C1
C2
LV1
D1
C14
LV2
D2
C15
LV3
D3
C16
LV4
D4
C17
ViewSonic Corporation
R2
R5
C5
D
S
Q1
IC_VCC
R6
R9
R10
R7
C6
R11
R3
R4
C4
C3
C18
C21
R43
LI
R15
R16
R17
C22
Q2
G
R18
C23
D14
44
Confidential - Do Not Copy
VCC
C7
C24
C35
D15
U1
C25
14
23
LOK
BTL
13
22
ENSYNC
PRL
12
25
ABRT
OUTL
11
24
DBRT
UGL
C27
10
26
BRS
VCCL
9
27
BRC
LGL
8
28
LCC
PGL
C26
7
16
LCS
BTR
6
15
FT
PRR
5
18
AG
OUTR
4
17
COMP
UGR
C28
3
19
LV
VCCR
2
20
LI
LGR
1
21
SI
PGR
R8
D10
R38
R39
R20
JP10
D5
R26
R21
LI
IC_VCC
R27
D11
D6
R25
R28
R22
R29
VG921m-2
C29
C30
T1
6.7
8
U2
3
6
S2
D2
4
5
G2
D2
C36
1
8
1
S1
D1
5
2
7
G1
D1
2.3
4
U3
3
6
S2
D2
4
5
G2
D2
C37
1
8
S1
D1
2
7
G1
D1
C19
C20
R34
C9
R30
FB1
R23
LI
R31
R35
C10
R32
FB2
R24
R33
C31
CN1
LV1
CN1B
3
FB1
4
C32
LV2
CN1A
1
FB2
2
CN2
CN2A
1
FB3
2
C33
LV3
CN2B
3
FB4
4
C34
LV4
D12
R36
C11
D7
FB3
D13
R37
C12
D8
FB4
ViewSonic Corporation
Model
Title
Date
Rev:

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