![background image](http://html1.mh-extra.com/html/viewsonic/va720-2/va720-2_service-manual_1020965031.webp)
Td=0.69*Cd*10E6(s)
R5 0
S1
C
DC-DC(1)
QPWB-5408T8---C
B
2
9
03:58:10
Title
Size
Document Number
Rev
Date:
Sheet
of
LCD_VCC
TCON_RST
Gate_ON
+5V
V+3.3V
V3PLL
V+3.3V
V3LVDS
V+3.3V
GAVCC
C46
100u/25V
B1
15uH
FL1
NC(FL)
R22
47K
C56
0.01u/16V
C51
0.47u/16V
C47
0.1u/25V
5V1
1
PAD
FL2
NC(FL)
FL3
NC(FL)
C55
0.01u/16V
C53
0.01u/16V
C54
0.47u/16V
R21
0
B2
BEAD
C50
0.47u/16V
B3
BEAD
C52
0.01u/16V
F1
3A
B4
BEAD
U5
RN5VD23A
2
3
1
5
4
VDD
GND
OUT
Cd
NC
FL4
NC(FL)
C49
0.1u/25V
C48
1000p
ViewSonic Corporation
28
Confidential – Do Not Copy VE
7
00-1
VA720-2