Acer AL922 AL922 Monitor Service Guide - Page 65

5 4 3 CN1 Shell RX2RX2+ GND RX4RX4+ SCL SDA VS 1 2 3 4 5 6 7 8 SCL_IN SDA_IN D RX1RX1+ GND RX3RX3+ 5V GND HP 9 10 11 12 13 14 15 16 L8 STC222BDVI_5V STS2125 R1 10K HOT_PLUG PCDETECTD RX0RX0+ GND RX5RX5+ GND RXC+ RXC- 17 18 19 20 21 22 23 24 RED GRN BLU HS GND C1 C2 C3 C4 C5 Shell DDC_5V DVI-D GND C1 R2 R3 0.1uF R4 47K 47K 47K GND R5 100 R6 100 DDC_5V DVI_5V D3 EC10QS04 2 1 C VGA_5V D4 EC10QS04 2 1 +5V D5 EC10QS04 2 1 3 3 D1 5.6V GND 1 1 D2 5.6V U1 1 2 3 4 NC VCC NC VCLK NC SCL GND SDA 8 7 6 5 GND 24LC21A 2 1 RX2RX2+ SHT-4 SHT-4 RX1RX1+ SHT-4 SHT-4 D RX0RX0+ SHT-4 SHT-4 RXC+ RXC- SHT-4 SHT-4 DDC_SCL SHT-4 DDC_SDA SHT-4 C DDC_5V C2 R7 R8 0.1uF R9 B 47K 47K 47K GND VGA_SDA GND U2 1 2 3 4 NC VCC NC VCLK NC SCL GND SDA 8 7 6 5 24LC21A 3 D6 5.6V D7 5.6V 3 VGA_SCL 1 1 GND 3.3V_DVDD A NC/ZD1 DALC208SC6 VGA_BLU 1 6 VGA_GRN 2 5 PCDETECTA 3 4 VGA_RED GND 5 HCLK HFSn SHT-4 SHT-4 VGA_5V C101 0.1uF S1 CN2 11 1 6 R12 100 12 2 7 13 3 8 14 4 9 R15 100 15 5 10 GND VGA_RED VGA_GRN VGA_BLU R10 20 1% C3 R11 56.2 1% C4 R13 20 1% C5 R14 56.2 1% C6 R16 20 1% C7 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF VGA S2 R17 56.2 1% C8 0.01uF R18 R19 R20 GND PCDETECTA PCDETECTA Pins 6/7/8 are R/G/B 75 75 75 return lines resp. 3.3V_DVDD RED+ SHT-4 B RED- SHT-4 GREEN+ SHT-4 GREEN- SHT-4 BLUE+ BLUE- SHT-4 SHT-4 Vsync Hsync GND C120 R21 100 0.1uF 14 SN74LVC14APWR U3F 13 12 7 14 SN74LVC14APWR U3E 11 10 7 VS SHT-4 R22 100 14 SN74LVC14APWR 14 SN74LVC14APWR U3A U3B 3 3 R23 D8 C9 D9 C10 1 2 3 4 IN HS SHT-4 GND 7 7 510 5.6V 220pF 5.6V 220pF A 1 1 GND Title CTRL/B VL-901,VGA INPUT Size Document Number C 401A78 Rev 1B Date: Thursday, July 04, 2002 Sheet 3 of 7 4 3 2 1