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ViewSonic Corporation
Confidential - Do Not Copy
VA1703w-1_VA1703wb-1
8. Schematic Diagrams
Model
Title
Date
Rev:
ViewSonic Corporation
Block diagram
M03 TSUM56/57AK SCHEMATIC
XGA/SXGA
RSDS/LVDS OUTPUT
3. DC to DC POWER
on_Panel
VLCD
VCTRL
VCC1.8
+5V
Adj_BACKLIGHT
on_BACKLIGHT
VCC3.3
PC5V
DVI5V
+12V
4.INPUT
RIN
GIN
BIN
VSYNC
GNDR
GNDG
GNDB
DET_VGA
HSYNC
SOG
B+
CLK-
DET_DVI
CLK+
R+
G+
R-
B-
G-
DDCA_SDA
DDCA_SCL
DDCD_SDA
DDCD_SCL
DVI5V
PC5V
VCC3.3
+5V
2. AUDIO
+5V
+12V
AUDIO_MUTE
AUDIO_STBY
Volome
SPR
SPL
6.PANEL INTERFACE
VLCD
PA[0..7]
PA[8..13]
ESP
OSP
PA[14..19]
PB[0..5]
PB[6..11]
PB[12..23]
GPO[0..4]
5.SCALER
VCC1.8
PA[8..13]
HSYNC
GIN
SOG
VSYNC
PA[0..7]
GNDG
BIN
GNDR
RIN
GNDB
on_BACKLIGHT
DDCA_SDA
DDCA_SCL
DDCD_SDA
DDCD_SCL
R-
B+
R+
B-
CLK+
CLK-
G+
G-
VCTRL
Volume
AUDIO_MUTE
AUDIO_STBY
DET_VGA
DET_DVI
adj_BACKLIGHT
on_PANEL
+5V
VCC3.3
PA[14..19]
PB[0..5]
PB[6..11]
GPO[0..4]
ESP
OSP
PB[12..23]
SPR
SPL
GPO[0..4]
PA[14..19]
PB[0..5]
PA[8..13]
PA[0..7]
PB[12..23]
PB[6..11]
VCC1.8
VLCD
VLCD
+5V
PC5V
VCC3.3
VCC1.8
+5V
+12V
+5V
VCC3.3
DVI5V
DVI5V
+12V
PC5V
VCC3.3
+5V