Block Diagram - ViewSonic VPW425 Service Manual

BLOCK DIAGRAM

+5VSB
J14
1
2
3
4 +5V1
5
6
Image board Power Block Diagram
SB5V (USB5V, SB5V_M , SB5V_IO, SB5V_CPU)
SB5V_V SB5V_VO
D43 R376
U63 V33SB
U13 USB3V
P5V (5V_OSD) V33 (VDD33)
L13
U61
L17
V33P
L15
U62
U60 (VDRAM )
V33TMP
VDDM
(VCC3_M )
U56 VCC3
5VDDA
U52 VCCA3
U31 V33ADC
U28 V33PLL
REG_5V
5VDDD
U54
VADC3
5VDDM1
U58 V25_MP
REG_5V_S
U53 VCCA3_S
U55 VADC3_S
(VCC3_M _S)
U57 VCC3_S
U59 V25_SP
D2 D3
DVI_5V
J21
1
2
3
4
5
6
7
VCCPLL
VCCBF
CON8009
1
2
VIP711 3
4
5
6
7
8
9
CON8011
1
2
3
4
5
6
7
8
9
10
11
12
13
J25
1
2
3
5-4
+9VT P9V (+9V)
IC9
+24V P24V
+5VA A5V
J25
1
2
3
+9V
J15
1
2
3
4
+5VA A5V
VER1.0
P5V_COLOR