ELECTRICAL ADJUSTMENTS
2-6: FOCUS2-10: BRIGHT CENT
1. Receive a 70dB monoscope pattern.1.Receive the PAL black pattern*. (RF Input)
2. Turn the Focus Volume fully counterclockwise once.2.Using the remote control, set the brightness and
3. Adjust the Focus Volume until picture is distinct.contrast to normal position.
3.Place the set with Aging Test for more than 15 minutes.
2-7: HORIZONTAL POSITION4.Activate the adjustment mode display of Fig. 1-1 and
1.Receive the monoscope pattern from the Patternpress the channel button (17) on the remote control to
select "BRIGHT CENT".
Generator.5.Press the VOL. +/- button on the remote control until
2.Using the remote control, set the brightness and
contrast to normal position.the screen begin to shine.
6Activate the adjustment mode display of Fig. 1-1 and
3.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (08) on the remote control topress the channel button (18) on the remote control to
select "H POSI (50)".select "BRIGHT MAX".
7.Press the VOL. +/- button on the remote control to
4.Press the VOL. +/- button on the remote control until
the SHIFT quantity of the OVER SCAN on right and leftincrease the step numbers by 3 steps to the "BRIGHT
becomes minimum.CENT".
8.Receive the PAL black pattern*. (Audio Video Input)
5.Receive the monoscope pattern of NTSC. (Audio Video
Input)9.Set to the AV mode. Then perform the above
adjustments 2~7.
6.Set to the AV mode.
7.Using the remote control, set the brightness and*The Black Pattern means the whole black raster signal.
contrast to normal position.Select the "RASTER" of the pattern generator, set to
8.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 to
select "H POSI (60)".2-11: CONTRAST CENT
9.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 left
becomes minimum.press the channel button (22) on the remote control to
select "CONTRAST CENT".
2-8: VERTICAL POSITION/VERTICAL LINEARITY2.Press the VOL. +/- button on on the remote control until
the contrast step No. becomes "42".
1.Receive the monoscope pattern from the Pattern3.Receive a broadcast and check if the picture is normal.
Generator.4.Activate the adjustment mode display of Fig. 1-1 and
2.Using the remote control, set the brightness and contrastpress the channel button (23) on the remote control to
to normal position.select "CONTRAST MAX".
3.Adjust the VR401 until the horizontal line becomes fit to5.Press the VOL. +/- button on the remote control to
the notch of the shadow mask.increase the step numbers by 3 steps to the
4.Adjust the VR420 until the SHIFT quantity of the OVER"CONTRAST CENT".
SCAN on upside and downside becomes minimum.6.Set to the AV mode.
7.Activate the adjustment mode display of Fig. 1-1 and
2-9: VERTICAL SIZEpress the channel button (22) on the remote control to
1. Receive the monoscope pattern from the Patternselect "CONTRAST CENT".
8.Press the VOL. +/- button on on the remote control until
Generator.
2. Using the remote control, set the brightness andthe contrast step No. becomes "46".
contrast to normal position.9.Receive a broadcast and check if the picture is normal.
10.Activate the adjustment mode display of Fig. 1-1 and
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (11) on the remote control topress the channel button (23) on the remote control to
select "V SIZE (50)".select "CONTRAST MAX".
11.Press the VOL. +/- button on the remote control to
4. Press the VOL. +/- button on the remote control adjust
the V.SIZE becomes 8 ? 2%.increase the step numbers by 3 steps to the
"CONTRAST CENT".
5. Receive a broadcast and check if the picture is normal.
6. Receive the monoscope pattern of NTSC. (Audio
Video Input)
7. Set to the AV mode.
8. Using the remote control, set the brightness and
contrast to normal position.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (12) on the remote control to
select "V SIZE (60)".
10.Press the VOL. +/- button on the remote control adjust
the V.SIZE becomes 10 ? 2%.
11.Receive a broadcast and check if the picture is normal.
D-2 |
ACEC
