Acer AL2016 Service Manual page 19

Acer
Fig. 3
5.2 Color Temperature Check
5.2.1 Test mode: 1680x1050 @ 60 Hz
5.2.2 Test pattern: pattern #41 of "WHITE"
5.2.3 Test tool: Color Analyzer Chroma7120
5.2.4 Set brightness to be maximum and contrast to be 50%, measure color coordinate and luminance by
color analyzer as the following:
5.3 Brightness Out (Video signal input 700mV ± 2%)
5.3.1 Test mode: 1680x1050 @ 60 Hz
5.3.2 Test pattern: pattern #41 of "WHITE"
5.3.3 Test tool: Color Analyzer Chroma7120
Set brightness and contrast to be maximum with white pattern, to measure the screen center, the
light output shall be BL >= 240cd/m
5.4 DDC Data Check
5.4.1 EDID program
5.4.2 Execute main program for EDID writing (refer to model type), using scanner for barcode
download.
5.4.3 If writing EEPROM is successful, and then shows text "PASS" on screen; if writing EEPROM is
failure, then shows text "FAIL".
5.4.4 EDID data: (For example)
For QD20AL0101 Panel VGA EDID table:
0 1
0 00 FF FF FF FF FF FF 00
1 01 0F 01
2 16 50
3 01 01
4 36 00
5 54 13
6 30 30
7 00 41
1
4
7
Mode
x
0.283 ±
9300K
0 030
USER Default
0.313 ±
6500K
0 030
2 3 4 5 6
03 08 2B 1B 78
54 BF EF 80 A9 40
01 01 01 01 08
B1 0F 11 00 00
00 0A 20 20 20
30 30 30 30 30
4C 32 30 31 36
L/2 L/10
2 3
5 6
8
9
Chromaticity Coordinate
y
0.298 ± 0.030
Default
0.329 ± 0.030
2
7 8 9 A
04 72 64
EA C3 15
01 01 01
39 90 30 62
1E 00 00 00
20 20 20 00
30 30 30 30
57 0A 20 20
18
Service Manual
W/10
Y
180
240
240
B C D E
AD 00 00 00
A6 56 4A 9B 24
01 01 01 01
1A 27 40 68
FD 00 38 56
00 00 FF 00
0A 00 00 00
20 20 20 00
F
00
01
B0
1F
30
FC
CS