Chapter 7 Schematic Diagram; Main Board - Acer AL2051 Service Manual

Schematic Diagram

Main Board

MST9251A
VCPU
VCC12V_AUDIO
VCPU
VCC12V_AUDIO
+3.3DV1
+3.3DV2
AVDDPLL2
AVDDPLL
AVDDA
AVDD_DVI
+APLL
VDDC
VDD_MPLL
+2.5V_DMC +2.5V_DMQ +2.5MVDD
B2
B1
RIN RIN
GNDR GNDR
TXD GIN GIN
RXD GNDG GNDG
DDC_CLK SOG SOG
DDC_DAT BIN BIN
DDC_WP GNDB GNDB
ST_DET1 HSYNC HSYNC
ST_DET2 VSYNC VSYNC
R+ R+
R- R-
G+ G+
G- G-
B+ B+
B- B-
CLK+ CLK+
CLK- CLK-
3.INPUT
B3
ST_DET2
ST_DET1
DDC_WP ALE ALE
DDC_CLK RD RD
DDC_DAT WR WR
RXD HWRESET HWRESET
TXD INT INT
VCPU AD0 AD0
AD1 AD1
onPANEL_5V/3.3V AD2 AD2
onBACKLITE AD3 AD3
AUDIO_SD
onPOWER AUDIO_MU
6.MCU
B6
VCC12V_AUDIO
AUDIO_MU
AUDIO_SD
VOLUME Volume
7.AUDIO
B4
onPOWER AdjBACKLITE AdjBACKLITE
onBACKLITE
onPanel_5V/3.3V
VCPU
VLCD
VCC12V_AUDIO
+3.3DV1
+3.3DV2
VLCD
AVDDPLL2
AVDD_PLL
AVDDA
AVDD_DVI
+APLL
VDDC
VDD_MPLL
+2.5MVDD
+2.5V_DMQ
+2.5V_DMC
2.POWER 4.SCALER
SCHEMATIC
VLCD
VLCD
VDD_MPLL
VDDC
+APLL
AVDD_DVI
AVDDA
AVDD_PLL
AVDDPLL2
+3.3DV2
+3.3DV1
+2.5MVDD
FSDQM1
FSDQM0
FSDQSU3
FSDQSU2
FSDQSU1
FSDQSU0
FSDATAU[0..31]
FSDATAU[0..31]
/FSWE
/FSCAS
/FSRAS
FSBKSEL0
FSBKSEL1
FSCLK+
FSCLK-
FSCKE
FSDDR[0..11]
FSADDR[0..11]
46
+3.3DV1
+3.3DV2
AVDDPLL2
AVDDPLL
AVDDA
AVDD_DVI
+APLL
VDDC
VDD_MPLL
+2.5MVDD
+2.5V_DMQ +2.5V_DMC
B5
+2.5V_DMQ
FSDQM1 +2.5V_DMC
FSDQM0
FSDQSU3
FSDQSU2
FSDQSU1
FSDQSU0
FSDATAU[0..31]
/FSWE
/FSCAS
/FSRAS
FSBKSEL0
FSBKSEL1
FSCLK+
FSCLK-
FSCKE
FSADDR[0..11]
5.Frame Memory
Title
715G1765-1 for AL2051W (acer)
Size Document Number
B
TOP
Date: Tuesday, January 03, 2006 Sheet 2
Chapter 7
Rev
1
of 8