Sharp LC-32DV24U Service Manual page 28

2-4: CONTRAST CENTER
1. Receive the monoscope pattern. (RF Input)
2. Using the remote control, set the brightness and contrast
to normal position.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (42) on the remote control to
select "CONTRAST CENTER".
4. Press the LEFT/RIGHT button on the remote control until
the contrast cent step No. becomes "107".
5. Check if the picture is normal.
6. Receive the monoscope pattern. (VIDEO Input)
7. Press the INPUT button on the remote control to set to
the AV mode.
8. Using the remote control, set the brightness and contrast
to normal position.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (42) on the remote control to
select "CONTRAST CENTER".
10. Press the LEFT/RIGHT button on the remote control until
the contrast cent step No. becomes "117".
11. Check if the picture is normal.
12. Receive the monoscope pattern. (S-VIDEO Input)
13. Press the INPUT button on the remote control to set to
the AV(Y/C) mode. Then perform the above adjustments
8~11.
14. Playback the DVD(480i) disc. (COMPONENT Input)
15. Press the INPUT button on the remote control to set to
the COMPONENT mode.
16. Using the remote control, set the brightness and contrast
to normal position.
17. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (42) on the remote control to
select "CONTRAST CENTER".
18. Press the LEFT/RIGHT button on the remote control
until the contrast cent step No. becomes "99".
19. Check if the picture is normal.
20. Playback the DVD(480i) disc. (HDMI Input)
21. Press the INPUT button on the remote control to set to
the HDMI mode.
22. Using the remote control, set the brightness and contrast
to normal position.
23. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (42) on the remote control to
select "CONTRAST CENTER".
24. Press the LEFT/RIGHT button on the remote control until
the contrast cent step No. becomes "96".
25. Check if the picture is normal.
26. Playback the DVD disc. (DVD Input)
27. Press the TV/DVD button on the remote control to set to
the DVD mode.
28. Using the remote control, set the brightness and contrast
to normal position.
29. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (42) on the remote control to
select "CONTRAST CENTER".
30. Press the LEFT/RIGHT button on the remote control until
the contrast cent step No. becomes "127".
31. Check if the picture is normal.
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ELECTRICAL ADJUSTMENTS
2-5: CONTRAST 40
1. Receive the monoscope pattern. (RF Input)
2. Using the remote control, set the brightness and contrast
to normal position.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST 40".
4. Press the LEFT/RIGHT button on the remote control until
the contrast 40 step No. becomes "139".
5. Check if the picture is normal.
6. Receive the monoscope pattern. (VIDEO Input)
7. Press the INPUT button on the remote control to set to
the AV mode.
8. Using the remote control, set the brightness and contrast
to normal position.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST 40".
10. Press the LEFT/RIGHT button on the remote control until
the contrast 40 step No. becomes "154".
11. Check if the picture is normal.
12. Receive the monoscope pattern. (S-VIDEO Input)
13. Press the INPUT button on the remote control to set to
the AV(Y/C) mode. Then perform the above adjustments
8~11.
14. Playback the DVD(480i) disc. (COMPONENT Input)
15. Press the INPUT button on the remote control to set to
the COMPONENT mode.
16. Using the remote control, set the brightness and contrast
to normal position.
17. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST 40".
18. Press the LEFT/RIGHT button on the remote control
until the contrast 40 step No. becomes "130".
19. Check if the picture is normal.
20. Playback the DVD(480i) disc. (HDMI Input)
21. Press the INPUT button on the remote control to set to
the HDMI mode.
22. Using the remote control, set the brightness and contrast
to normal position.
23. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST 40".
24. Press the LEFT/RIGHT button on the remote control until
the contrast 40 step No. becomes "124".
25. Check if the picture is normal.
26. Playback the DVD disc. (DVD Input)
27. Press the TV/DVD button on the remote control to set to
the DVD mode.
28. Using the remote control, set the brightness and contrast
to normal position.
29. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST 40".
30. Press the LEFT/RIGHT button on the remote control until
the contrast 40 step No. becomes "165".
31. Check if the picture is normal.