ViewSonic VA703b-4 - Schematic Diagrams

40mil 40mil
PANEL POWER
5DVCC
BKLT-EN
LED-2
LED-1
BKLT-EN
J1
LED-2
LED-1
5DVCC
BKLT-VBRI
BKLT-VBRI
DGND
DGND
DGND
DGND
5V
5DVCC
LED2
LED1
DGND
3.3V PANEL_VCC
5V
5V
ONPANEL_5V
DGND
VBRI
INVON
POWER
MENU
EXIT
DOWN
UP
MUTE
3.3DVCC
3.3V
MCU_VCC
5DVCC
R2 NC/0
R17 1K
R8 2K
R5
100k
R16
10K/NC
Q4
2N3906
1
23
R4
10K
Q5
2N3906
1
23
R14 220
R120 220
C10
1uF
Q1
AO3401
1
32
+
C70
47uF_16V/NC
L1FEB/1206
Q6
KST3904
1
2 3
FB1 FEB/1206
+
C7
100uF_16V
+
C1
100uF_16V
JP1
HEADER 13/SM
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
R121
220
+
C6
100uF_16V
R123
220
R117 220
C11
100nF
R118 220
C8
100nF
R10
330
R127 1K
R126
1K
CN1
2.0_11pin
1
2
3
4
5
6
R2 NC/0
C127
100nF
R116 220
R6
1K
C9
NC
R13 1K
R11
330
C5
0.01uF
R119
220
C130
100nF
R122 220
R9 NC
C131
100nF
L2 FEB/1206
C3
22uF/16V
U3
1117-33/AIC1084-33
3
2
1
VIN
VOUT
GND
R15 NC
R12
4.7K
R7
4.7K
Q3
KST3904
1
2 3
C129
100nF
R3
0/NC
C132
100nF
C128
100nF
C2
100nF
C4
100nF
Q2
KST3904
1
2 3
Model
Title
Date Rev:
ViewSonic Corporation
ViewSonic Corporation 77
10. Schematic Diagrams
Confidential - Do Not Copy VA703b-4_VA703m-4