Electrical Adjustment - Sharp XR-1X Serviceanleitung

No. Adjusting point
1 EEPROM
initialization
2 Adjustment of
CW index
3 R/G/B Contrast
adjustment
4 Video Contrast
adjustment
5 RGB white
balance adjust-
ment
6 sRGB white
balance adjust-
ment
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ELECTRICAL ADJUSTMENT

Adjusting conditions
1. Turn on the power (with the
lamp on) and warm up the
set for 15 minutes.
1. Signal input: Feed 64
STEP color bar. (XGA 60
Hz)
2. Select the following group
and subject.
Group: ADJUST
CW/Auto KS
Subject: CW-INDEX.
1. Select the following group
and subjects.
Group : ADJUST
AD/DLP
Subject : R-CONT
G-CONT
B-CONT
(Process GAMMA interlock)
2. Feed white signal with the
amplitude level of 96%
(0.67Vpp). (XGA 60 Hz)
1. Feed NTSC 100% white
pattern signal. (Signal with
burst)
2. Select the following group
and subjects.
Group : ADJUST
VIDEO
Subject : V-CONT
1. Feed the 50% gray signal.
(XGA 60Hz)
2. Select the following group
and subjects.
Group : ADJUST
AD/DLP
Subject : R-GAIN
B-GAIN
1. Feed the 50% gray signal.
(XGA 60Hz)
2. Select the following group
and subjects.
Group : CONFIRM/DLP
Subject : S-G-OS
S-B-OS
manuals search engine
Adjusting procedure
» Make the following settings.
Press S2551 to call the process mode and execute
"SS2" on SS menu.
1. Feed the signal to input 1.
2. Select the adjustment item and adjust the lamp
gradation patterns of RGB so that smooth patterns
without noise appear.
R
G
B
1. Adjust R, G, and B on the screen when bit dropouts
occur and the bright and colored part of the screen
is reduced by nearly half.
1. Adjust G on the screen when bit dropouts occur and
the bright and colored part of the screen is reduced
by nearly half.
1. Adjust R-GAIN and B-GAIN so that the following
values are obtained:
x value: 300 ± 5
y value: 320 ± 5
1. Adjust S-G-OS and S-B-OS so that the following
values are obtained:
x value: 313 ± 5
y value: 329 ± 5
27
XR-1X