Acer AL2016 AL2016W Service Guide - Page 14

Acer ISP MODE ● ● Service Manual Firstly enter the factory mode, then ON Press ◄ & ► at the same time, and then press [POWER] for DC power on. 1.6 Burn-in (Aging) Pattern 1.6.1 Burn-in patterns are: full Green, Blue, White, Black and Red 1.6.2 It will enter burn-in mode (aging mode) on condition that Power on and in the factory mode Without VGA , 1.6.3 Exit burn-in mode by plug in the VGA cable, then power on. 1.7 Warm Up All test units have to be done warm up after at least 2 hours in a room with temperature of 40±5°C. (Except particular requirement) 2. INPUT SIGNAL 2.1 Video Signal Input 2.1.1 a. VESA Analog The video input consists of red, green, and blue signals. The video signals are analog levels, where 0V corresponds to black and 700mV is the maximum signal amplitude. Input impedance of video pins is 75 ohm ±1%. Sync signal input The capability of sync signal inputs shall include separate sync. Input impedance: 10K ohms the signals are defined as follow: Separate sync TTL level, Positive/Negative Composite sync Sync on Green b. Digital signal (Option) Standard DVI 2.1.2 Input signal mode PRESET TEST MODE TIMING Mode VGA SVGA XGA Resolution 640*480@60Hz 640*480@72Hz 640*480@75Hz 640*480@85Hz 800*600@56Hz 800*600@60Hz 800*600@72Hz 800*600@75Hz 800*600@85Hz 1024*768@60Hz 1024*768@70Hz 1024*768@75Hz 1024*768@85Hz 1152*864@75Hz VESA MODES Total 800*525 832*520 840*500 832*509 1024*625 1056*628 1040*666 1056*625 1048*631 1344*806 1328*806 1312*800 1376*808 1600*900 Horizontal Nominal Frequency +/-0.5KHz Sync Polarity 31.469 N 37.861 N 37.500 N 43.269 N 35.156 P 37.879 P 48.077 P 46.875 P 53.674 P 48.363 N 56.476 N 60.023 P 68.677 P 67.500 P Vertical Nominal Frequency +/-1Hz 59.941 72.809 75.000 85.008 56.250 60.317 72.188 75.000 85.061 60.004 70.069 75.029 84.997 75.000 Sync Polarity N N N N P P P P P N N P P P Nominal Pixel Clock (MHz) 25.175 31.500 31.500 36.000 36.000 40.000 50.000 49.500 56.250 65.000 75.000 78.750 94.500 108.000 13