Acer AL1913 AL1913 LCD Monitor Service Guide - Page 33

5.6 Audio Connector (Optional) Phone Jack, d=3.5mm 5.7 Main Board Pin Assignment Introduction 5.7.1 CN1 Pin assignment Pin No. 1 2 3 4 5 6 7 8 Symbol INV_ADJ INV_ON/OFF GND GND GND VIN_19V VIN_19V VIN_19V Description Inverter enable Brightness Adjustment Ground Ground Ground Input source Input source Input source 5.7.2 CN2 Pin assignment Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol GND GND GND AUDIO/LAUDIO/L+ AUDIO/RAUDIO/R+ PWR_SW LED_O LED_G KEY_UP KEY_DOWN MENU AUTO_ADJ SOURCE_SEL Description GROUND GROUND GROUND AUDIO OUTPUT AUDIO OUTPUT AUDIO OUTPUT AUDIO OUTPUT POWER KEY ORANGE LED GREEN LED UP KEY DOWN KEY MENU KEY AUTO ADJUSTMENT INPUT SOURCE SELECTION 33