Toshiba 27D47 Service Manual page 18

Hide thumbs Also See for 27D47:
Table of Contents

Advertisement

white 100%
2-9: HORIZONTAL POSITION
1.
Receive the monoscope pattern.
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 (03) on the remote control to
select "H.POSI".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes minimum.
2-10: HORIZONTAL SIZE
1.
Receive the monoscope pattern.
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 (43) on the remote control to
select "H.SIZE".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on the right
and left becomes 10± 3%.
2-11: VERTICAL LINEARITY
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness, contrast,
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (08) on the remote control to
select "V.LIN".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes minimum.
ELECTRICAL ADJUSTMENTS
110%
Fig. 2-2
D-3
2-12: VERTICAL POSITION
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Adjust the VR401 until the horizontal line becomes fit to
the notch of the shadow mask.
(Refer to Fig. 2-3)
2-13: VERTICAL SIZE
1.
Receive the monoscope pattern.
1
2
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 (06) on the remote control to
select "V. SIZE".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes 9 ± 2%.
2-14: TRAPEZIUM
1.
Receive the crosshatch signal 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 (45) on the remote control to
select "TRAPEZIUM".
4.
Press the VOL. UP/DOWN button on the remote control
until the both ends right and left vertical lines of the 1th
length lines screen become parallel.
2-15: PALABOLA CORR
1.
Receive the chosshatch pattern.
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 (44) on the remote control to
select "PALABOLA".
4.
Press the VOL. UP/DOWN button on the remote control,
so that the line becomes straight from the outside of
the right and left.
horizontal line
Notch
Shadow mask
Fig. 2-3

Advertisement

Table of Contents
loading

Table of Contents