ViewSonic VA1930wm-1 Service Manual page 61

3 +14V
R517 10/NC
3 VCC5V
R509
R511 NC
200K 1%/ NC
R512
110K 1%
3 BRIGHTNESS
R513
10K 1%
R514
C510
47K 1%
1000p/50V
C515
2.2u/25V
D501
SN4148
3 ON/OFF
R501
100K 1%
R518
470K 1%
ViewSonic Corporation
R502
R503
1K5 680
1 Q501
PMBT3904
ZD501
5V6
0.1/50V
C503
5V
R534 0
C507
2.2u/25V
1 16
DRV1 PGND
2 15
VDDA DRV2
3 14
TIMER GNDA
4 13
DIM CT
5 12
ISSEN SSTCMP
6 11
VSEN LCT
7 10
OVPT ENA
R515 8 9
NC NC
NC
IC501
OZ9938G
0.1/50V
C518
0.1/50V
C519
0.1/50V
Confidential - Do Not Copy
58
R504
C501
33
C502 470u/25V
2.2u/25V
C504
U501 1000p/50V
1 8
2 7
3 6
4 5
AP9971GM
R508
R507
51K 1%
3M3 1%
R532
R535 0 33
C529
U502 1000p/50V
1 8
2 7
3 6
4 5
AP9971GM
R520
5V
100K 1%
D511 SN4148
C520 D512 SN4148
R526
D505
1M
SN4148 D513 SN4148
R519
1M
VG1930wm-1
R505
33
R506
3M 3KV
C505 T501
1000p/50V SPW-068
R510
6 7
3K3 1%
4
C508 C506
10p/3KV
3
220pF/50V/NC
1 8
D503
C509
2
3p/3KV
3
1
BAV99
C513 C514
2200p/50V 2700p/50V
R530
33
C522 R525
1000p/50V 3M 3KV
D508 BAV99
6 7 3
C526
4 R531
3K3 1%
220pF/50VNC C523
3
10p/3KV
1 8
T502
SPW-068
D509 BAV99
C528
2
3p/3KV
3
op1
1
op2
C525 C527
op3 2700p/50V
2200p/50V
1
H
op1
2
L
CN501
R524 2P
470
3
D502
BAV99
1 2
1
H
R521
2
L
470 CN502
2P
1
3
op2
D504
2
BAV99
R523
C530
470
0.1/50V
1
H
op3
2
L
CN503
R527 2P
2
470
1
1
H
R529
2
L
470 CN504
2P
1
3
D507
2
BAV99
C524 R528
R533
390 1%
15K 1%
0.068/50V
ViewSonic Corporation
Model
Interter
Title
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