Acer AL1515 AL1515 LCD Monitor Service Guide - Page 11

Panel Relative Humidity Input Signals Video input • Type • Input Impedance • Polarity • Amplitude • Display Color Sync input • Signal • Polarity Analog R, G, B. 75 ohm +/- 2% Positive 0 - 0.7 +/- 0.05 Vp same as LCD panel separate horizontal and vertical sync, or composite sync which are TTL compatible positive and negative. Interface frequency The following frequency range is generalized by supported timing. If the entered mode does not match the supported timing the display optimization will not be assured. • Horizontal Frequency • Vertical Frequency 24KHz --61KHz 56Hz -------75Hz - 11 -