Toshiba 26df56 Service Manual page 17

2-4: WHITE BALANCE
NOTE: Adjust after performing CUT OFF adjustment.
1. Place the set in Aging Test for more than 15 minutes.
2. Receive the white 100% signal from the Pattern
Generator.
3. Press the PIC SIZE button on the remote control to select
the FULL screen mode.
4. Using the adjustment control, set the brightness and
contrast to normal position.
5. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (26) on the remote control to
select "R.BIAS".
6.
Using the VOL. UP/DOWN button on the remote control,
adjust the R.BIAS.
7. Press the CH. UP/DOWN button on the remote control to
select the "G.BIAS", "B.BIAS", "R.DRIVE" or "B.DRIVE".
8. Using the VOL. UP/DOWN button on the remote control,
adjust the G.BIAS, B.BIAS, R.DRIVE and B.DRIVE.
9. Perform the above adjustments 7 and 8 until the white
color is achieved.
2-5: BRIGHT CENT
1. Receive the monoscope pattern. (RF Input)
2. Press the PIC SIZE button on the remote control to select
the FULL screen mode.
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 (32) on the remote control to
select "BRI. CENT".
5. Press the VOL. UP/DOWN button on the remote control
until the white 5.4% is starting to be visible
6. Receive the monoscope pattern. (Audio Video Input)
7. Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~5.
8. Receive the monoscope pattern.
9. Press the TV/VIDEO button on the remote control to set
to the YUV mode.Then perform the above adjustments
2~5.
10. Press the MENU button on the remote control to end the
adjustments.
11. Receive the DIGITAL broadcasting.
12. Press the Channel button (0-9) on the remote control to
select to the DIGITAL broadcasting.
13. Press the PIC SIZE button on the remote control to select
the FULL screen mode.
14. Using the remote control, set the brightness, contrast,
color and tint to normal position.
15. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (32) on the remote control to
select "BRI. CENT".
16. Press the VOL. UP/DOWN button on the remote control
to increase the step numbers by 10 steps to the AV.
ELECTRICAL ADJUSTMENTS
D-2
2-6: CONTRAST MAX
1. Receive an over 70dB color bar pattern. (RF Input)
2. Press the PIC SIZE button on the remote control to select
the FULL screen mode.
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 (36) on the remote control
to select "CONT.MAX".
5. Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "110".
6. Receive a broadcast and check if the picture is normal.
7. Receive the color bar pattern. (Audio Video Input)
8. Press the TV/VIDEO button on the remote control to
set to the AV mode. Then perform the above
adjustments 2~6.
9. Receive the monoscope pattern.
10. Press the TV/VIDEO button on the remote control to set to
the YUV mode.Then perform the above adjustments 2~6.
11. Press the MENU button on the remote control to end the
adjustments.
12. Receive the DIGITAL broadcasting.
13. Press the Channel button (0-9) on the remote control to
select to the DIGITAL broadcasting.
14. Press the PIC SIZE button on the remote control to select
the FULL screen mode.
15. Using the remote control, set the brightness, contrast,
color and tint to normal position.
16. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (36) on the remote control
to select "CONT.MAX".
17. Press the VOL. UP/DOWN button on the remote control to
increase the step numbers by 5 steps to the AV.