Acer AL2051 AL2051W Service Guide - Page 46

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