Service manual

ViewSonic Corporation Confidential - Do Not Copy
66
Model
Title
Date Rev:
ViewSonic Corporation
Interter
op3
op2
op1
op2
op1
op3
ON/OFF3
VCC5V3
BRIGHTNESS3
+14V3
5V
5V
ZD501
5V6
C518
0.1/50V
D512 SN4148
R528
390 1%
C512 330p/50V
R508
51K 1%
C520
0.1/50V
R530
33
CN502
2P
1
2
H
L
R534 0
C528
3p/3KV
R521
470
C507
2.2u/25V
R533
15K 1%
D513 SN4148
U501
AP9971GM
6
54
3
7
81
2
C501
470u/25V
D505
SN4148
C521 68p/50V
C529
1000p/50V
C506
10p/3KV
CN504
2P
1
2
H
L
C510
1000p/50V
T501
SPW-068
1
3
4
6
8
7
R501
100K 1%
C504
1000p/50V
D502
BAV99
1 2
3
C530
0.1/50V
C516 1000p/50V
C505
1000p/50V
R509
NC
D504
BAV99
1
2
3
D508 BAV99
1
2
3
D507
BAV99
1
2
3
C514
2700p/50V
C523
10p/3KV
C511 0.022/25V
R502
680
R531
3K3 1%
R535 0
R527
470
C527
2700p/50V
C515
2.2u/25V
R514
47K 1%
R532
33
R525
3M 3KV
R505
33
IC501
OZ9938G
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
DRV1
VDDA
TIMER
DIM
ISSEN
VSEN
OVPT
NC NC
ENA
LCT
SSTCMP
CT
GNDA
DRV2
PGND
C522
1000p/50V
R506
3M 3KV
CN503
2P
1
2
H
L
D511 SN4148
R523
590
R510
3K3 1%
C525
2200p/50V
R516 604K 1%
C508
220pF/50V/NC
C513
2200p/50V
R504
33
C503
0.1/50V
T502
SPW-068
1
3
4
6
8
7
C524
0.068/50V
C509
3p/3KV
R517 10/NC
R526
1M
R518
470K 1%
R524
470
C502
2.2u/25V
D509 BAV99
1
2
3
CN501
2P
1
2
H
L
D503
BAV99
1
2
3
D501
SN4148
R507
3M3 1%
R515
NC
U502
AP9971GM
6
54
3
7
81
2
R529
470
C526
220pF/50VNC
R511
200K 1%/ NC
R512
110K 1%
R520
100K 1%
R519
1M
Q501
PMBT3904
1
32
R513
10K 1%
C519
0.1/50V
R503
1K5
VX1935wm-3