Toshiba MD20FM1 Service Manual page 24

2-19: SUB TINT CENTER
1. Receive the color bar pattern. (RF Input)
2. Using the remote control, set the brightness, contrast,
color and tint to normal position.
3. Connect the oscilloscope to TP803.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (12) on the remote control to
select "TNTC".
5. Press the RIGHT/LEFT button on the remote control
until the section "A" becomes a straight line.
(Refer to Fig. 2-2)
6. Receive the color bar pattern. (Audio Video Input)
7. Press the INPUT SELECT button on the remote
control to set to the AV mode.
8. Using the remote control, set the brightness, contrast,
color and tint to normal position.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (43) on the remote control to
select "TNTCA".
10. Press the RIGHT/LEFT button on the remote control
until the section "A" becomes a straight line.
(Refer to Fig. 2-2)
11. Press the TV/DVD button on the remote control to set
to the DVD mode.
12. Playback the Title2 (color bar pattern) of JG175A.
13. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (55) on the remote control to
select "TNTCD".
14. Press the RIGHT/LEFT button on the remote control
until the section "B" becomes a straight line.
(Refer to Fig. 2-3)
"B"
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-2
Fig. 2-3
D-4
2-20: SUB COLOR CENTER
1. Receive the color bar pattern. (RF Input)
2. Using the remote control, set the brightness, contrast,
color and tint to normal position.
3. Connect the oscilloscop to TP801.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (09) on the remote control to
select "COLC".
5. Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
6. Press the RIGHT/LEFT button on the remote control
until the red color level is adjusted to 120 ± 5% of the
white level. (Refer to Fig. 2-4)
7. Receive the color bar pattern. (Audio 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, contrast,
color and tint to normal position.
10. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (40) on the remote control to
select "COLCA".
11. Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
12. Press the RIGHT/LEFT button on the remote control
until the red color level is adjusted to 120 ± 5% of the
white level. (Refer to Fig. 2-4)
13. Press the TV/DVD button on the remote control to set
to the DVD mode.
14. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (52) on the remote control to
select "COLCD".
15. Press the RIGHT/LEFT button on the remote control to
increase the step numbers by 3 steps to the AV.
White 0%
White 100%
0%
100%
Red Level
Fig. 2-4