Acer AL2016 Service Manual - Page 14

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Acer AL2016 Service Manual
Acer
ISP MODE
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
Composite sync
Sync on Green
b. Digital signal (Option)
Standard DVI
2.1.2 Input signal mode
PRESET TEST MODE TIMING
Mode
Resolution
640*480@60Hz
640*480@72Hz
VGA
640*480@75Hz
640*480@85Hz
800*600@56Hz
800*600@60Hz
SVGA
800*600@72Hz
800*600@75Hz
800*600@85Hz
1024*768@60Hz
1024*768@70Hz
XGA
1024*768@75Hz
1024*768@85Hz
1152*864@75Hz
●
●
TTL level, Positive/Negative
VESA MODES
Nominal
Total
Frequency
+/-0.5KHz
800*525
31.469
832*520
37.861
840*500
37.500
832*509
43.269
1024*625
35.156
1056*628
37.879
1040*666
48.077
1056*625
46.875
1048*631
53.674
1344*806
48.363
1328*806
56.476
1312*800
60.023
1376*808
68.677
1600*900
67.500
Firstly enter the factory mode, then
ON
Press ◄ & ► at the same time, and
then press [POWER] for DC power on.
Horizontal
Nominal
Sync
Frequency
Polarity
N
59.941
N
72.809
N
75.000
N
85.008
P
56.250
P
60.317
P
72.188
P
75.000
P
85.061
N
60.004
N
70.069
P
75.029
P
84.997
P
75.000
13
Service Manual
Vertical
Sync
Polarity
+/-1Hz
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