TITLE
Service Manual
LCD TV For 237-T11
Doc No. SM_237-T11_19Nov07
Version 1.2
Page 41/72
Company Confidential-DRAFT
8-2.2 Parameter adjustment
1. Click the icon on the desk "Gamma Calculator" (please
see Photo 1), and then Photo 2 would show up.
2. Click the icon "Gamma Calculator" of Photo 2, and
then Photo 3 would show up.
3. Please follow (as Photo 4 blue circle) to choose the
solution & panel mode.
4. Connect the" RS232, USB, VGA changeful wire, and
audio wire" with TV. And then connect the other side
of VGA changeful wire with the pattern generator, and
set up the TV source under "VGA". And please locate
the "CA-210" on center of TV screen.
5. Click "BL" button, and the window with "Gamma
adjustment" message would show up. Please click
"OK" for next step. (as Photo 4 red circle)
6. Adjust the GAMMA (R;G;B) and then click the button
"Enter" after GAMMA adjustment is
completed.(Please follow Photo 5, 6)
7. Please check the result.
Attention：
：：
：
Check pattern points for adjustment
(CHROMA PROGRAM：
：：
：71 1360_FT_VGA )：
：：
：
1. Check if the frame is damaged and if the size is
smaller than normal, or if those points in the 5
squares correspond well. (Photo 7)
2. Each gray bar should be identified with only pure
color.(Photo 8)
3. 256 Gray. L->R--->check if there is sync
(influenced by high frequency). (Photo 9)
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