Schematic Diagrams - ViewSonic VA702/b Service Manual

8. SCHEMATIC DIAGRAM
+14V
R528
R522
182K 1%
91K 1%
R523
100K 1%
BRIGHTNESS
C504
R524
51K 1% 1n/50V
47K 1%
R526
ON/OFF
R529
1M
INL
Item
AUO
QDI
560Ω
510Ω 510Ω
R509
510Ω
R511
510Ω 560Ω
47KΩ
R524 47KΩ
51KΩ
ViewSonic Corporation
C511
2.2uF/25V
IC501
1 16
NDRV2 PDRV2
2 15
PGND PDRV1
14 1.0u/25V
3
NDRV1 HSB
13
4
GNDA VIN
5 12
+5V
CT V5000
C529
6 11
220P/50V
LCT ISEN
C503
7 10
100n/50V
DIM CMP_SST
8 9
ENA VSEN
OZ9910G
OVP1
R527
3.3M 1%
OVP2
C505
C506
0.01u/25V
4700P/50V
C507 R505
1M
2200p/50V
Q505
Q504
2N7002
2N7002
2 3
2 3
C531
C534 C532
0.1u/50V
0.1u/50V 0.1u/50V
R519
R521
1M
1M
D512
D511
1N4148W
1N4148W
Confidential - Do Not Copy
42
+
C522
220uF/25V
T501
EEL-19 22:2600
5V
2
D513 SKS20-04AT
3
2 1
5
U501
1 8
6
S1 D1
2 7
G1 D1
3 6
S2 D2
4 5
G2 D2
C528
AOP605
U502
AOP605
1 8 T502
S1 D1
EEL-19 22:2600
2 7
C502 G1 D1
3 6
2.2u/25v S2 D2
2
4 5
G2 D2
3
2 1
D514
5
SKS20-04AT
+
C509
5V 220uF/25V 6
IS1
R506
3.9K 1%
IS3
C508
R507
22n/25V
3.9K 1%
Q501
2N7002
2 3
Q502
Q503
2N7002
2N7002 2 3 5V
2 3
C533 100K
R508
0.1u/50V
R515
R517
1M
1M
D510
D509
1N4148W
1N4148W
VA702/b
R501
3
3M/3kv
2
3 D508
2 1
1 BAV99
OP4
C524
10P/3KV
R512
8 R502
1k
3.9K
7
C527
3
2
5P/3KV OVP1
3
D507
1 BAV99
2 1
OP3
C530 C535
6.8n/50V NC
R513
510 1%
IS3
R511
510 1%
8
R503
3
3M/3KV
2
3 D503
OP2
7 D504
1 BAV99
2 1
BAV99
R504
R510
3.9K 1k
C526
10P/3KV
3
C525
OVP2
2
5P/3KV
D502
3 D505
BAV99
1 BAV99
OP1
2 1
C536
C523
NC
R514 510 1%
6.8n/50V
IS1
R509 510 1%
ViewSonic VA702/b
Document Number : SIZE : APPRO BY :
TITLE :
CHECK BY :
Inverter
DATE : DRAWN BY :
Rev :
SHEET OF
H
L
CN504
D506
BAV99
CN502
H
L
D501
BAV99
H
L
CN503
CN501
H
L