Check List - AOC LM760S Service Manual

17" LCD Color Monitor

10. Check List

Check if white-balance is within the specs after replacing Main board and panel,
then re-writing DDC is necessary.
10.1 The White-Balance Value for Each Common Color Temperature:
6500 K: (warm color) x = 313±20; y = 329±20;
7800 K: (cool color) x = 296±20; y = 311±20;
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
checking-regulations of different customers and different models.
10.2 STEPSOF 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
2
(Center). The exact brightness values are confirmed by the
Select"F＂，then
Select AUTO
LEVEL item
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AOC LM760S