XR-10S (serv.man13). Electrical Adjustments - Sharp Projector Service Manual (repair manual). Page 2

Read Sharp XR-10S (serv.man13) Service Manual online

25
XR-10X/S
XR-20X/S
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
7
Auto keystone
initialization
(20X only) and
audio output
check
1. Select the following group
and subjects.
Group : ADJUST
  CW/Auto KS
Subject : CAL
1. With the set placed on a level surface, press the EN-
TER key and check that K-SENS value is 0 ± 3. Check
that keystone is caused by tilting the unit.
2. Check that the start-up sound is heard from the
speaker when the ENTER key is pressed.
No.
Adjusting point
Adjusting conditions
Adjusting procedure
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

Display

Click on the first or last page to see other XR-10S (serv.man13) service manuals if exist.

Random: