Toshiba MW30G71 Service Manual - Page 60

Vertical Cent/ Vertical Size, Fig. 1-1, 9: Bright Cent, 8: Vertical Linearity, 10: Sub Contrast

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ELECTRICAL ADJUSTMENTS 2-7: VERTICAL CENT/ VERTICAL SIZE 2-9: BRIGHT CENT 1. Receive the monoscope pattern. 2. Press the MENU button. And, then press the LEFT/ RIGHT button on the remote control until the PICTURE menu appears. 3. Press the LEFT/RIGHT button on the remote control to highlight DISPLAY FORMAT. 4. Press the LEFT/RIGHT button on the remote control to select 1080i. 5. Set the screen mode to FULL. 6. Using the remote control, set the brightness and contrast to normal position. 7. Activate the adjustment mode display of Fig. 1-1 and press the channel button (11) on the remote control to select "V. CENT". 8. Press the VOL. UP/DOWN button on the remote control until the horizontal line becomes fit to the notch of the shadow mask. 9. Receive the monoscope pattern. 10.Activate the adjustment mode display of Fig. 1-1 and press the channel button (05) on the remote control to select "V. SIZE". 11.Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 8%. 2-8: VERTICAL LINEARITY NOTE: Adjust after performing adjustments in section 2-6. After the adjustment of Vertical Linearity, reconfirm the Vertical Position and Vertical Size adjustments. 1. Receive the monoscope pattern. 2. Press the MENU button. And, then press the LEFT/ RIGHT button on the remote control until the PICTURE menu appears. 3. Press the LEFT/RIGHT button on the remote control to highlight DISPLAY FORMAT. 4. Press the LEFT/RIGHT button on the remote control to select 1080i. 5. Set the screen mode to FULL. 6. Using the remote control, set the brightness and contrast to normal position. 7. Activate the adjustment mode display of Fig. 1-1 and press the channel button (06) on the remote control to select "V. LIN". 8. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 8%. 1. Receive the monoscope pattern. (RF Input) 2. Set the screen mode to FULL. 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 (43) on the remote control to select "BRI CENT". 5. Press the VOL. UP/DOWN button on the remote control until the white 2.7% 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 CS mode.Then perform the above adjustments 2~5. 10.Receive the monoscope pattern. 11.Press the TV/VIDEO button on the remote control to set to the HD-MI mode.Then perform the above adjustments 2~5. 2-10: SUB CONTRAST 1. Set the screen mode to FULL. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 3. Check if the step No. SUB CONT is "17". 4. Receive a broadcast and check if the picture is normal. 5. Press the TV/VIDEO button on the remote control to set to the AV mode. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 7. Check if the step No. SUB CONT is "16". 8. Receive a broadcast and check if the picture is normal. 9. Press the TV/VIDEO button on the remote control to set to the CS mode. 10. Activate the adjustment mode display of Fig. 1-1 and press the channel button (52) on the remote control to select "SUB CONT". 11. Check if the step No. SUB CONT is "14". 12. Receive a broadcast and check if the picture is normal. Press the TV/VIDEO button on the remote control to set to the HD-MI mode.Then perform the above adjustments 2~4. 13. Receive a broadcast and check if the picture is normal. D3-3

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ELECTRICAL ADJUSTMENTS
D3-3
2-7:
VERTICAL CENT/ VERTICAL SIZE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Receive the monoscope pattern.
Press the MENU button. And, then press the LEFT/
RIGHT button on the remote control until the PICTURE
menu appears.
Press the LEFT/RIGHT button on the remote control to
highlight DISPLAY FORMAT.
Press the LEFT/RIGHT button on the remote control to
select 1080i.
Set the screen mode to FULL.
Using the remote control, set the brightness and contrast
to normal position.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(11)
on the remote control to
select “V. CENT”.
Press the VOL. UP/DOWN button on the remote control
until the horizontal line becomes fit to the notch of the
shadow mask.
Receive the monoscope pattern.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(05)
on the remote control to
select “V. SIZE”.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside and
downside becomes 8%.
2-9: BRIGHT CENT
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Receive the monoscope pattern. (RF Input)
Set the screen mode to FULL.
Using the remote control, set the brightness and contrast
to normal position.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(43)
on the remote control to
select "BRI CENT".
Press the VOL. UP/DOWN button on the remote control
until the white 2.7% is starting to be visible
Receive the monoscope pattern. (Audio Video Input)
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~5.
Receive the monoscope pattern.
Press the TV/VIDEO button on the remote control to set
to the CS mode.Then perform the above adjustments
2~5.
Receive the monoscope pattern.
Press the TV/VIDEO button on the remote control to set
to the HD-MI mode.Then perform the above adjustments
2~5.
2-8: VERTICAL LINEARITY
NOTE:
Adjust after performing adjustments in section 2-6.
After the adjustment of Vertical Linearity, reconfirm
the Vertical Position and Vertical Size adjustments.
Receive the monoscope pattern.
Press the MENU button. And, then press the LEFT/
RIGHT button on the remote control until the PICTURE
menu appears.
Press the LEFT/RIGHT button on the remote control to
highlight DISPLAY FORMAT.
Press the LEFT/RIGHT button on the remote control to
select 1080i.
Set the screen mode to FULL.
Using the remote control, set the brightness and contrast
to normal position.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(06)
on the remote control to
select “V. LIN”.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside and
downside becomes 8%.
1.
2.
3.
4.
5.
6.
7.
8.
2-10: SUB CONTRAST
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Set the screen mode to FULL.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(52)
on the remote control to
select "SUB CONT".
Check if the step No. SUB CONT is "17".
Receive a broadcast and check if the picture is normal.
Press the TV/VIDEO button on the remote control to set to
the AV mode.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(52)
on the remote control to
select "SUB CONT".
Check if the step No. SUB CONT is "16".
Receive a broadcast and check if the picture is normal.
Press the TV/VIDEO button on the remote control to set to
the CS mode.
Activate the adjustment mode display of
Fig. 1-1
and
press the channel button
(52)
on the remote control to
select "SUB CONT".
Check if the step No. SUB CONT is "14".
Receive a broadcast and check if the picture is normal.
Press the TV/VIDEO button on the remote control to set to
the HD-MI mode.Then perform the above adjustments
2~4.
Receive a broadcast and check if the picture is normal.