Acer Service Manual
ISP MODE ● ● ON
Firstly enter the factory mode, then
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
VESA MODES
Horizontal Vertical
Mode Resolution Total
Nominal
Frequency
+/-0.5KHz
Sync
Polarity
Nominal
Frequency
+/-1Hz
Sync
Polarity
Nominal
Pixel
Clock
(MHz)
640*480@60Hz 800*525 31.469 N 59.941 N 25.175
640*480@72Hz 832*520 37.861 N 72.809 N 31.500
640*480@75Hz 840*500 37.500 N 75.000 N 31.500
VGA
640*480@85Hz 832*509 43.269 N 85.008 N 36.000
800*600@56Hz 1024*625 35.156 P 56.250 P 36.000
800*600@60Hz 1056*628 37.879 P 60.317 P 40.000
800*600@72Hz 1040*666 48.077 P 72.188 P 50.000
800*600@75Hz 1056*625 46.875 P 75.000 P 49.500
SVGA
800*600@85Hz 1048*631 53.674 P 85.061 P 56.250
1024*768@60Hz 1344*806 48.363 N 60.004 N 65.000
1024*768@70Hz 1328*806 56.476 N 70.069 N 75.000
1024*768@75Hz 1312*800 60.023 P 75.029 P 78.750
XGA
1024*768@85Hz 1376*808 68.677 P 84.997 P 94.500
1152*864@75Hz 1600*900 67.500 P 75.000 P 108.000
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