Sharp XR-1X - Page 28

No. Adjusting point Adjusting conditions Adjusting procedure
28
XR-1X
8 Adjustment of
DLP voltage
1. Read voltage rank of DLP
description.
2. Set the switch correspond-
ing to the rank which has
been read.
1. Carry out adjustment when DLP chip has been re-
placed or combination of chip and formatter has been
changed.
Rank: B C D E
Setting value: 1 2 3 4
9 Adjustment of
RGB brightness
1. Select the following group
and subjects.
Group : CONFIRM/AD
Subject : R-BRIGHT
G-BRIGHT
B-BRIGHT
(Process GAMMA interlock)
1. Check the fixed value.
Fixed value : 127
10 Adjustment of
Component
offset
1. Feed 10-step signal with
480P component 100%
amplitude.
2. Select the following group
and subjects.
Group : CONFIRM/AD
Subject : C-R-OS
C-B-OS
(Process GAMMA interlock)
1. Check the fixed value.
C-R-OS : 256
C-B-OS : 256
11 Adjustment of
DLP Brightness
1. Select the following group
and subject.
Group : CONFIRM/DLP
Subject : R-BLK
G-BLK
B-BLK
(Process GAMMA interlock)
1. Check the fixed value.
Fixed value : 256
12 Adjustment of
Video Brightness
1. Feed NTSC 100% wind pat-
tern signal. (Signal with
burst)
2. Select the following group
and subject.
Group : CONFIRM/VIDEO
Subject : V-BRIGHT
1. Check the fixed value.
Fixed value : 72
13 Adjustment of
Video Tint
1. Feed split color bar.
2. Select the following group
and subject.
Group : CONFIRM/VIDEO
Subject : V-HUE
1. Check the fixed value.
Fixed value : 128
7 Auto keystone
initialization
1. Select the following group
and subjects.
Group : ADJUST
CW/Auto KS
Subject : CAL
Check that the K-SENS value is 0 ± 3.
Check that keystone is caused by tilting the unit.