Toshiba 15LV505 service manual Contrast Center

ELECTRICAL ADJUSTMENTS

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. 1-1and 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 "112".

5.Check if the picture is normal.

6.Receive the monoscope pattern. (VIDEO Input)

7.Press the INPUT ZOOM 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. 1-1and 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 "111".

11.Check if the picture is normal.

12.Receive the monoscope pattern. (S-VIDEO Input)

13.Press the INPUT ZOOM button on the remote control to set to the AV(Y/C) mode.

14.Using the remote control, set the brightness and contrast to normal position.

15.Activate the adjustment mode display of Fig. 1-1and press the channel button (42) on the remote control to select "CONTRAST CENTER".

16.Press the LEFT/RIGHT button on the remote control until the contrast cent step No. becomes "116".

17.Check if the picture is normal.

18.Playback the DVD(480i) disc. (COMPONENT Input)

19.Press the INPUT ZOOM button on the remote control to set to the COMPONENT mode.

20.Using the remote control, set the brightness and contrast to normal position.

21.Activate the adjustment mode display of Fig. 1-1and press the channel button (42) on the remote control to select "CONTRAST CENTER".

22.Press the LEFT/RIGHT button on the remote control until the contrast cent step No. becomes "94".

23.Check if the picture is normal.

24.Playback the DVD(720p) disc. (COMPONENT Input)

25.Press the INPUT ZOOM button on the remote control to set to the COMPONENT mode. Then perform the above adjustments 19~23.

26.Playback the DVD(1080i) disc. (COMPONENT Input)

27.Press the INPUT ZOOM button on the remote control to set to the COMPONENT mode. Then perform the above adjustments 19~23.

28.Playback the DVD disc. (DVD Input)

29.Press the TV/DVD button on the remote control to set to the DVD mode.

30.Using the remote control, set the brightness and contrast to normal position.

31.Activate the adjustment mode display of Fig. 1-1and press the channel button (42) on the remote control to select "CONTRAST CENTER".

32.Press the LEFT/RIGHT button on the remote control until the contrast cent step No. becomes "111".

33.Check if the picture is normal.

D-3

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. 1-1and 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 "142".

5.Check if the picture is normal.

6.Receive the monoscope pattern. (VIDEO Input)

7.Press the INPUT ZOOM 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. 1-1and 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 "141".

11.Check if the picture is normal.

12.Receive the monoscope pattern. (S-VIDEO Input)

13.Press the INPUT ZOOM button on the remote control to set to the AV(Y/C) mode.

14.Using the remote control, set the brightness and contrast to normal position.

15.Activate the adjustment mode display of Fig. 1-1and press the channel button (50) on the remote control to select "CONTRAST 40".

16.Press the LEFT/RIGHT button on the remote control until the contrast 40 step No. becomes "148".

17.Check if the picture is normal.

18.Playback the DVD(480i) disc. (COMPONENT Input)

19.Press the INPUT ZOOM button on the remote control to set to the COMPONENT mode.

20.Using the remote control, set the brightness and contrast to normal position.

21.Activate the adjustment mode display of Fig. 1-1and press the channel button (50) on the remote control to select "CONTRAST 40".

22.Press the LEFT/RIGHT button on the remote control until the contrast 40 step No. becomes "120".

23.Check if the picture is normal.

24.Playback the DVD(720p) disc. (COMPONENT Input)

25.Press the INPUT ZOOM button on the remote control to set to the COMPONENT mode. Then perform the above adjustments 20~23.

26.Playback the DVD(1080i) disc. (COMPONENT Input)

27.Press the INPUT ZOOM button on the remote control to set to the COMPONENT mode. Then perform the above adjustments 20~23.

28.Playback the DVD disc. (DVD Input)

29.Press the TV/DVD button on the remote control to set to the DVD mode.

30.Using the remote control, set the brightness and contrast to normal position.

31.Activate the adjustment mode display of Fig. 1-1and press the channel button (50) on the remote control to select "CONTRAST 40".

32.Press the LEFT/RIGHT button on the remote control until the contrast 40 step No. becomes "155".

33.Check if the picture is normal.