Service manual

19" LCD Color Monitor ASUS VB191T&S
21
6. Schematic
6.1 Main Board
715G2571-1-2
For VB191T
+12V
B5
5.PANEL INTERFACE
VLCDPA[0..9]
PB[0..9]
XGA/SXGA/WSXGA
B2
2.POWER
on_Panel
on_BACKLIGHT
Adj_BACKLIGHT
VCC 1.8
VLCD
+5V
VCC 3.3
+12V
I2C_MDA
I2C_MCL
Adj_BL2
LVDS OUTPUT
VCC1.8
+5V
715G2571-1-2
VCC3.3 +12V
PB[0..9]
+5V
B4
4.SCALER
RIN
GIN
SOG
BIN
GNDR
GNDG
GNDB
HSYNC
VSY NC
Adj_BACKLIGHT
VCC 1.8
VCC3.3
PA[0..9]
R+
R-
G-
G+
B+
B-
CLK+
CLK-
DDCD_SDA
DDCD_SCL
DDCA_SDA
DDCA_SCL
INPUT_DET
on_BACKLIGHT
on_Panel
+5V
PB[0..9]
+12V
DDC_WP
HDCP_RST
I2C_MCL
I2C_MDA
Adj_BL2
PA[0..9]
+5V
VLCD
VCC3.3
A
1.2 TOP
B
1.2 6Saturday , April 14, 2007
Title
Size Document Number Rev
Date: Sheet
of
B3
3.INPUT
RIN
GIN
BIN
VSY NC
GND R
GNDG
GND B
INPUT_DET
HSYNC
SOG
B+
CLK-
CLK+
R+
G+
R-
B-
G-
DDCA_SDA
DDCA_SCL
DDCD_SDA
DDCD_SCL
+5V
DDC_WP
HDCP_RST
TSUM56AHK SCHEMATIC
VCC1.8
VLCD