Acer AL1931 AL1931 Service Guide - Page 31

3.6.6 CN10 Pin NO. 1 2 4 5 6 7 8 9 Signal LED-Y LED-G GND KEY-POWER KEY-AUTO KEY-MENU KEY-UP KEY-DOWN Comment Power saving mode Monitor is ON GND Power ON/OFF key Auto Adjusting and Channel Selection Function Selection enable Function select and Adjust UP Function select and Adjust Down 3.6.7 CN1 Digital Video input Connector: DVI-D Pin-Assignment of DVI-D(24 pin) connector 1 TX2- 9 TX1- 17 TX0- 2 TX2+ 10 TX1+ 18 TX0+ 3 Shield (TX2 / 11 Shield (TX1 / TX3) 19 Shield (TX0 / TX5) TX4) 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC-Serial Clock 14 -5V Power *) 22 Shield (TXC) 7 DDC-Serial Data 15 Ground (+5V) 23 TXC- 8 No Connect 16 Hot plug detect 24 TXC+ *)In case, the power of the PC unit is switched off and the power the monitor is switched on, no voltage may occur at pin 14. 30