Sharp XG-MB70X Serviceanleitung Seite 28

XG-MB70X
Adjustment when assembling
No. Adjusting point
21 Adjustment of
DLP voltage
Checkpoints
No. Adjusting point
22 Adjustment of
DLP Brightness
23 RGB tone
reproduction
adjustment
24 White balance
checking and
readjustment
25 Off-timer per-
formance
26 Thermistor
performance
checking
27 Auto sync
performance
checking
28 USB operation
check
29 LAN operation
check
Adjusting conditions
1. Read voltage rank of DLP
description.
2. Set the switch correspond-
ing to the rank which has
been read.
Adjusting conditions
1. Select the following group
and subject.
Group : DLP
Subject : R-Bright
G-Bright
B-Bright
1. Feed the SMPTE pattern
signal.
1. RGB Inputt, sRGB Input,
DTV Input, DVD Input,
VIDEO Input
1. Select the following group
and subjects.
Group : LAMP
Subject : OFF
1. Heat the thermistor with a
hair dryer.
1. Feed the phase check pat-
tern signal.
1. Connect to a PC with a
USB cable.
1. Connect to a PC with a
LAN cable.
Adjusting procedure
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
Adjusting procedure
1. Check the fixed value.
Fixed value : 32
1. Make sure the 100% and 95% white as well as the
0% and 5% black gradations are visible.
Check that there is no deviation of white balance with
the monitor.
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.
1. Make sure that the temperature is indicated.
1. In the VGA, SVGA, XGA and SXGA modes, make
sure the Clock, Phase, H-Pos and V-Pos settings
can be automatically adjusted.
1. Check that advance/reverse operation on PC screen
is possible by using remote control.
1. Check that communication is possible.
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