Sanyo DP19649 Service Manual page 18

2-4: CONTRAST 40
1.
Place the set in Aging Test for more than 15 minutes.
2.
Receive the color bar pattern. (RF Input)
3.
Using the remote control, set the brightness and
contrast to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (58) on the remote control to
select "CONTRAST 40".
5.
Press the CH.UP/DOWN button on the remote control
until the contrast step No. becomes "130".
6.
Check if the picture is normal.
7.
Receive the color bar pattern. (VIDEO Input)
8. Press the INPUT SELECT button on the remote control
to set to the AV mode.
9.
Using the remote control, set the brightness and
contrast to normal position.
10.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (58) on the remote control to
select "CONTRAST 40".
11.
Press the CH.UP/DOWN button on the remote control
until the contrast step No. becomes "136".
12.
Check if the picture is normal.
13.
Receive the color bar pattern. (S-VIDEO Input)
14.
Using the remote control, set the brightness and
contrast to normal position.
15.
Press the INPUT SELECT button on the remote control
to set to the AV(S) mode. Then perform the above
adjustments 8~12.
16.
Receive the color bar pattern. (COMPONENT Input)
17.
Using the remote control, set the brightness and
contrast to normal position.
18. Press the INPUT SELECT button on the remote control
to set to the COMPONENT mode.
19.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (58) on the remote control to
select "CONTRAST 40".
20.
Press the CH.UP/DOWN button on the remote control
until the contrast step No. becomes "134".
21.
Check if the picture is normal.
22.
Receive the color bar pattern. (HDMI Input)
23.
Using the remote control, set the brightness and
contrast to normal position.
24.
Press the INPUT SELECT button on the remote control
to set to the HDMI mode.
25.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (58) on the remote control to
select "CONTRAST 40".
26.
Press the CH.UP/DOWN button on the remote control
until the contrast step No. becomes "110".
27.
Check if the picture is normal.
ELECTRICAL ADJUSTMENTS
D-3
2-5: CONTRAST CENTER
1. Place the set in Aging Test for more than 15 minutes.
2. Receive the color bar pattern. (RF Input)
3. Using the remote control, set the brightness and
contrast to normal position.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST CENTER".
5. Press the CH UP/DOWN button on the remote control
until the contrast step No. becomes "98".
6. Check if the picture is normal.
7. Receive the color bar pattern. (VIDEO Input)
8. Using the remote control, set the brightness and
contrast to normal position.
9. Press the INPUT SELECT button on the remote
control to set to the AV mode.
10. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST CENTER".
11. Press the CH UP/DOWN button on the remote control
until the contrast step No. becomes "104".
12. Check if the picture is normal.
13. Receive the color bar pattern. (S-VIDEO Input)
14. Using the remote control, set the brightness and
contrast to normal position.
15. Press the INPUT SELECT button on the remote
control to set to the AV(Y/C) mode. Then perform the
above adjustments 10~12.
16. Receive the color bar pattern. (COMPONENT Input)
17. Using the remote control, set the brightness and
contrast to normal position.
18. Press the INPUT SELECT button on the remote
control to set to the COMPONENT mode.
19. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST CENTER".
20. Press the CH UP/DOWN button on the remote control
until the contrast step No. becomes "100".
21. Check if the picture is normal.
22. Receive the color bar pattern. (HDMI Input)
23. Using the remote control, set the brightness and
contrast to normal position.
24. Press the INPUT SELECT button on the remote
control to set to the HDMI mode.
25. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (50) on the remote control to
select "CONTRAST CENTER".
26. Press the CH UP/DOWN button on the remote control
until the contrast step No. becomes "83".
27. Check if the picture is normal.