Toshiba MW26G71 Service Manual page 59

2-2: CUT OFF
1. Place the set in Aging Test for more than 15 minutes.
2. Place the set in AV MODE without signal.
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 (01) on the remote control to
select "CUT OFF".
5. Adjust the Screen Volume until a dim raster is obtained.
2-3: WHITE BALANCE
NOTE: Adjust after performing CUT OFF adjustment.
1. Place the set in Aging Test for more than 15 minutes.
2. Receive the gray scale pattern from the Pattern Generator.
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 (24) on the remote control to
select "R.BIAS".
5. Press the CH. UP/DOWN button on the remote control to
select the "R.BIAS", "G.BIAS", "B.BIAS", "R/G.DRV", "B/
R.DRV", "R.BIAS(C)", "G.BIAS(C)", "B.BIAS(C)", "R/
G.DRV(C)", "B/R.DRV(C)", "R.BIAS(W)", "G.BIAS(W)",
"B.BIAS(W)", "R/G.DRV(W)" or "B/R.DRV(W)".
6. Adjust the VOL. UP/DOWN button on the remote control
to whiten the R.BIAS(C), G.BIAS(C), B.BIAS(C), R/
G.DRV(C), B/R.DRV(C), R.BIAS(W), G.BIAS(W),
B.BIAS(W), R/G.DRV(W) and B/R.DRV(W) at each step
tone sections equally.
7. Perform the above adjustments 5 and 6 until the white
color is achieved.
2-4: DOUBLE FOCUS
1. Receive the monoscope pattern.
2. Turn the Focus Volume fully counterclockwise once.
3. Adjust the Focus Volume until picture is distinct.
2-5: OSD POSITION
1. Receive the monoscope pattern from the Pattern
Generator.
2. Using the remote control, set the brightness and
contrast to normal position.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (00) on the remote control to
select "OSD H".
4. Press the LEFT/RIGHT button on the remote control
until the difference of A and B becomes minimum.
(Refer to Fig. 2-2)
00 OSD H
A
ELECTRICAL ADJUSTMENTS
TV
FULL
1
B
Fig. 2-2
2-6: HORIZONTAL POSITION/ HORIZONTAL SIZE
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. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (02) on the remote control to
select "H.POSI".
7. Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
right and left becomes becomes minimum.
8. Receive the monoscope pattern.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (04) on the remote control to
select "H. SIZE".
10. Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes 7.5%.
2-6: VERTICAL CENT/ VERTICAL SIZE
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%.
D3-2