Read Sharp PG-A20X (serv.man11) Service Manual online
No.
Adjusting point
Adjusting conditions
Adjusting procedure
27
PG-A20X
1. Select OFF from the process mode.
Make sure the off-timer starts with 5 minutes
onscreen and count one minute in one second.
And then indication is 0 minute, the power supply
of the set is cut off.
onscreen and count one minute in one second.
And then indication is 0 minute, the power supply
of the set is cut off.
27
Off-timer per-
formance
formance
1. Heat the thermistor with a
hair dryer.
1. Make sure that the temperature is indicated.
28
Thermistor
performance
checking
performance
checking
1. Make the following settings.
Process adjustment
Remote control adjustment
S3
Factory setting at 3
30
Delivery set-
tings
tings
1. Feed the phase check pat-
tern signal.
1. In the VGA, SVGA and XGA modes, make sure the
Clock, Phase, H-Pos and V-Pos settings can be au-
tomatically adjusted.
tomatically adjusted.
29
Auto sync
performance
checking
performance
checking
No.
Adjusting point
Adjusting conditions
Adjusting procedure
26
Automatic
keystone
initialization
keystone
initialization
Group : LINE
Subject : Calibration
Subject : Calibration
Select Calibration in the process mode. Place the set
on a level surface. Press the ENTER key on the remote
controller. The calibration setting becomes 1 first, and
then both the calibration and K-sensor settings become
0.
Make sure that the K-sensor setting alone will change
to 0-3 or 128-131.
on a level surface. Press the ENTER key on the remote
controller. The calibration setting becomes 1 first, and
then both the calibration and K-sensor settings become
0.
Make sure that the K-sensor setting alone will change
to 0-3 or 128-131.
24
RGB tone
reproduction
adjustment
reproduction
adjustment
1. Make sure the 100% and 95% white as well as the
0% and 5% black gradations are visible.
1. Feed the SMPTE pattern
signal.
25
White balance
checking
checking
1. Use the adjustment condi-
tions in the item 9 for RGB
input and item 10 for sRGB
input.
input and item 10 for sRGB
input.
Check that there is no deviation of white balance with
the monitor.
the monitor.
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