Schematic Diagrams - ViewSonic va720-1 Service Manual

6. SCHEMATIC DIAGRAM
6.1. POWER REGULATER
P102
NC
L136 L101
P101
FERRITE
NC
1
2
3
C101 C115
4
0.1u 0.1u
CON4
I102
RA:AMC7585-3.3ST
RB:AIC1084-33CM
5V
I102
3
INPUT OUTPUT
AIC1084
RA SI8050:---R108 NC
RB LM2596:---R108
12V
I101
LM2596
1 4
VIN FB
C103
5 2
SHDN SW
C102
470uF/25v 0.1u
D101
R108 B340
10
L104 NC
Q103
3V3_A
HUF76107D
2 2
C110 C111
330uF/25v 0.1u
12V C114 0.1u
R105
20K
R106
5
1
PSC0
2k R107
2k
ViewSonic Corporation
10 R
5V
L102 30UH
C105 C106 D111
C104
0.1u
470uF/25v 470uF/25v 5.6V
PSC1
3V3_B
3
C112 C113
0.1u
330uF/25v
3
Q104
MMBT3904L
2
8
Confidential – Do Not Copy
Q101
HUF76107D
L103 FERRITE
Q20-D Q20-S
2 3
12V
R102
20K C109
0.1u
R103 2K
3
5
Q102
1
MMBT3904L
2
R104
2K
VA720-1
VE175/b
LCD_VCC
C107 C108
220p
330uF/25v