ELECTRICAL ADJUSTMENTS
2-6: WHITE BALANCE2-10: VERTICAL SIZE
NOTE: Adjust after performing CUT OFF adjustment.1. Receive the monoscope pattern from the Pattern
Generator.
1.Place the set with Aging Test for more than 10 minutes.
2.Receive the gray scale pattern from the Pattern2. Using the remote control, set the brightness and
contrast to normal position.
Generator.3. Activate the adjustment mode display of Fig. 1-1 and
3.Using the remote control, set the brightness and
contrast to normal position.press the channel button (11) on the remote control to
select "V SIZE (50)".
4.Activate the adjustment mode display of Fig. 1-1 and4. Adjust by using the VOL. +/- button on the remote
press the channel button (03) on the remote control to
select "R DRIVE".control until the SHIFT quantity of the OVER SCAN on
upside and downside becomes 8 ? 2%.
5.Press the Page UP/DOWN button on the remote control5. Receive a broadcast and check if the picture is normal.
to select the "R DRIVE", "G DRIVE", "M R CUTOFF" or
"M G CUTOFF".6. Receive the monoscope pattern of NTSC. (Audio Video
Input)
6.Adjust the VOL. +/- button on the remote control to
whiten the R DRIVE, G DRIVE, M R CUT OFF, and M G7. Using the remote control, set the brightness and
contrast to normal position.
CUT OFF at each step tone sections equally.8. Activate the adjustment mode display of Fig. 1-1 and
7.Perform the above adjustments 5 and 6 until the white
color is looked like a white.press the channel button (12) on the remote control to
select "V SIZE (60)".
9. Adjust by using the VOL. +/- button on the remote
2-7: FOCUS
control until the SHIFT quantity of the OVER SCAN on
1. Receive a 70dB monoscope pattern.upside and downside becomes 10 ? 2%.
2. Turn the Focus Volume fully counterclockwise once.10.Receive a broadcast and check if the picture is normal.
3. Adjust the Focus Volume until picture is distinct.
2-11: BRIGHT CENT
2-8: HORIZONTAL POSITION
1.Receive the PAL black pattern*. (RF Input)
1.Receive the monoscope pattern from the Pattern2.Using the remote control, set the brightness and
Generator.contrast to normal position.
2.Using the remote control, set the brightness and3.Place the set with Aging Test for more than 15 minutes.
contrast to normal position.4.Activate the adjustment mode display of Fig. 1-1 and
3.Activate the adjustment mode display of Fig. 1-1 andpress the channel button (17) on the remote control to
press the channel button (08) on the remote control toselect "BRIGHT CENT".
select "H POSI (50)".5.Press the VOL. +/- button on the remote control until
4.Press the VOL. +/- button on the remote control untilthe screen begin to shine.
the SHIFT quantity of the OVER SCAN on right and left6Receive the PAL black pattern*. (Audio Video Input)
becomes minimum.7.Set to the AV mode. Then perform the above
5.Receive the monoscope pattern of NTSC. (Audio Videoadjustments 2~5.
Input)
*The Black Pattern means the whole black raster signal.
6.Using the remote control, set the brightness andSelect the "RASTER" of the pattern generator, set to
contrast to normal position.
7.Activate the adjustment mode display of Fig. 1-1 andthe OFF position for each R, G and B.
press the channel button (39) on the remote control to2-12: CONTRAST CENT
select "H POSI (60)".
8.Press the VOL. +/- button on the remote control until1.Activate the adjustment mode display of Fig. 1-1 and
the SHIFT quantity of the OVER SCAN on right and leftpress the channel button (22) on the remote control to
becomes minimum.select "CONTRAST CENT".
2.Press the VOL. +/- button on the remote control until
2-9: VERTICAL POSITION, VERTICAL LINEARITYthe contrast step No. becomes "37".
3.Receive a broadcast and check if the picture is normal.
1.Receive the monoscope pattern from the pattern
4.Set to the AV mode.Generator.
5.Activate the adjustment mode display of Fig. 1-1 and2.Using the remote control, set the brightness and
press the channel button (22) on the remote control to
contrast to normal position.
select "CONTRAST CENT".3.Adjust the VR401 until the horizontal line becomes fit to
6.Press the VOL. +/- button on the remote control until
the contrast step No. becomes "42".the notch of the shadow mask.
4.Adjust the VR420 until the SHIFT quantity of the OVER
7.Receive a broadcast and check if the picture is normal.SCAN on upside and downside becomes minimum.
D-2 |
ACEC
