Color Adjustment; Writing Edid File - BenQ G2420HD Product Service Manual

D. Color adjustment:
1. Setup input timing ICL-605, white pattern.
2. Confirm auto color adjustment had already done.
3. Measure color temperature by Minolta CA-110 (or equivalent equipment).
4. Check the color temperature Bluish, Reddish & Normal. The color temperature
specification as follows:
White Balance
(Bluish, 9300K set on OSD)
White Balance
(Reddish, 5800K set on OSD)
White Balance
(sRGB, 6500K set on OSD)
5. Setup input timing, 32 -Gray pattern.
To check if there are any abnormal display problems of preset timing modes
Check the following preset timings with General pattern:
No.
1
2
3
4
5
6
7
8
9
10
6. Checking if the picture is no good, reject this monitor.
7. To check the power consumption by disabling "burn-in mode" setting
8. To clear user data and program complete DDC data to monitor by IIC bus communication.
E. Writing EDID file:
1. Setup a PC with DDC card.
2. Connect PC to monitor with a D-sub(DVI) signal cable.
3. Please refer to the C212 for the correct EDID file.
4. Runs the writing program to write the EDID file into EEPROM .
5. Read EEPROM data and confirm it to match with the C212 document definition.
Mode
720×400 @ 70Hz
640×480 @ 60Hz
640×480 @ 75Hz
800×600 @ 60Hz
800×600 @ 75Hz
1024×768 @ 60Hz
1024×768 @ 75Hz
1152x864 @ 75Hz
1280×1024 @
60Hz
1280×1024 @
75Hz
- 32 -
X+-
Y+-
X+-
Y+-
X+-
Y+-
H
31.468
31.469
37.500
37.879
46.875
48.363
60.023
67.500
63.981
79.976
0.283+(-) 0.015
0.297+(-) 0.015
0. 326+(-) 0.015
0. 342+(-) 0.015
0.313+(-) 0.015
0. 329 +(-) 0.015
V
70.8
59.940
75.000
60.317
75.000
60.004
75.029
75.000
60.020
75.025