Olevia 232-S12, Service Manual

Page: 23 / 44

Doc No.
Version 1.0
TITLE
Service Manual
LCD TV For 232-S12
Page 23/44
7-2.2 Parameter adjustment
Photo 4
Photo 5
Photo 6
Photo 7
Photo 8
Photo 9
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 )