AOC e-Machines E17T4, Руководство по обслуживанию

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17” LCD Color Monitor e-Machines E17T4
35
11. Check List
Check if white-balance is within the specs after replacing Main board and panel,
then re-writing DDC is necessary.
11.1 The White-Balance Value For Each Common Color Temperature:
6500 º K : x = 313
±
30 ; y = 329
±
30;
7800 º K : x = 283 ± 30 ; y = 298 ± 30;
Remark: The value of Y should be confirmed according to different customers. If Customer is AOC so that it’s
required to be larger than
170cd/cm
2
(Center). The exact brightness values are confirmed by the
checking-regulations of different customers and different models.
11.2 Steps Of White-Balance Adjustment For LCD:( example for 17” AOC LCD)
1. Required instruments: Chroma7120 、 Chroma2325 （ BGA265A ）。
2. First connect the instruments together and turn on the LCD power, then warm up for 30 minutes under full
white screen mode. First press the “Reset” key in the menu to recover factory set as following.
3. Set Chroma2325 at round-windows mode and make the detecting-head of Chroma7120 aim at the cross in
the middle, the distance between the detecting-head and the cross is 20cm.
4. Set Chroma2325
（
BGA265A
）
to be T144
（
1280*1024/60HZ
）
and P105 of full white screen. Test if the
white-balance value is within the specs. Please follow the steps below to adjust if it is beyond the specs.
5. Cut the power. Then press MENU key and supply power at the same time to enter into the factory mode.
See the following pictures.
6. Test white-balance again after Auto Level. Adjustment with hand is necessary if it is beyond the specs just
the same.
7. Select 7x00 item to adjust cool color-temperature and select 6x00 to adjust warm color- temperature. It can
Select “ F ”， then
select
AUTO LEVEL
item