Sharp DT-100 Service Manual Page 25

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25
DT-100
1 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
2 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 : 260
C-B-OS : 260
3 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
5 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 : 68
No. Adjusting point Adjusting conditions Adjusting procedure
4 Video Contrast
adjustment
1. Feed NTSC 100% wind
pattern signal. (Signal with
burst)
2. Select the following group
and subjects.
Group : CONIRM/
VIDEO
Subject : V-CONT
1. Check the fixed value.
Fixed value : 124
Check items
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