Block Diagram; Main Board - Asus VS239H Service Manual

Service Manual

4. Block Diagram

4.1 Main Board

INPUT
ESD_5V
+5V_EDID DVI5V
HDMI INPUT
+5V_EDID +5V
HDMI_+5V VCC3.3
POWER
+5V_EDID +5V_AUDIO VCC3.3 VLCD
ESD_5V +5V VCC1.8
TSUMU88MWDT3-LF-1
SCALER
3.INPUT
RIN RIN
GNDR GNDR
GIN GIN
GNDG GNDG
BIN BIN
GNDB GNDB
SOG SOG
HSY NC HSY NC
VSY NC VSY NC
VGA_DET VGA_DET
DVI5V VGA_SCL1 VGA_SCL1
VGA_SDA1 VGA_SDA1
ESD_5V DVI_HPD_SW DVI_HPD_SW
DVI_SDA1 DVI_SDA1
+5V_EDID DVI_SCL1 DVI_SCL1
DD2+ DD2+
DD2- DD2-
DD1+ DD1+
DD1- DD1-
DD0+ DD0+
DD0- DD0-
DCK+ DCK+
DCK- DCK-
DDC_WP
DVI_DET
6.HDMI INPUT
CEC_CTRL CEC_CTRL
HDMI_DET HDMI_DET
DDC_WP DDC_WP
HDMI_HPD_SW HDMI_HPD_SW
HDMI_SDA1 HDMI_SDA1
HDMI_SCL1 HDMI_SCL1
HD2+ HD2+
HD2- HD2-
VCC3.3 HD1+ HD1+
HD1- HD1-
+5V HD0+ HD0+
HD0- HD0-
HDMI_+5V HCK+ HCK+
HCK- HCK-
+5V_EDID DET_HDMI5V DET_HDMI5V
2.POW ER
VLCD
VCC1.8
on_PANEL on_PANEL
VCC3.3 on_BACKLIGHT on_BACKLIGHT
adj_BACKLIGHT adj_BACKLIGHT
+5V
AC2DC_CTRL AC2DC_CTRL
+5V_AUDIO
ESD_5V
4.SC ALER
PA[0..9]
PB[0..9]
VCC3.3
VCC3.3
VCC1.8
+5V
DVI5V
HDMI_+5V
MUTE
Volume
AULIN
AURIN
INL
INR
Amp_SD
17
ASUS VS239H
PANEL INTERFACE
PA[0..9]
PA[0..9]
PB[0..9]
PB[0..9]
VLCD
VLCD
5.PANEL INTERFACE
+5V DVI5V HDMI_+5V
VCC1.8
AUDIO
+5V_AUDIO
MUTE
Volume
VCC3.3
AULIN
AURIN
INL
INR
Amp_SD
7.AUDIO
+5V_AUDIO
VCC3.3