Sharp XV-DW100U, Service Manual

Page: 32 / 125

32
XV-DW100U
37 RGB
performance
check 1. Receive the RGB signal.
»
In the process mode and select L4. Check the pic-
ture, brightness, red, blue, clock, phase, horizontal
position, and vertical position.
No. Adjusting point Adjusting conditions Adjusting procedure
38 Off-timer
performance
check
»
In the process mode and select OFF. Make sure that
the off-timer starts with “5” (minutes), counts down
each minute in 1 second, and turns off the set at “0”.
39 Thermistor
performance
check 1. Heat the thermistor using a
dryer.
»
Make sure the “TEMP” is displayed.
40 Automatic
synchronization 1. Receive the PHASE check
pattern signal.
»
Call the VGA/SVGA/XGA mode and make sure that
the clock, phase, horizontal and vertical positions
can be automatically adjusted.
41 Keystone
correction
performance
check
»
Make sure the keystone correction functions well.
S4 “Factory setting 4”
Remote controller
setting
Process
adjustment
»
Make the following settings. 42 Factory settings
33 White balance
check and
readjustment
»
Make sure that the white balance is in the best set-
ting. Readjust the RGB input, video input and DVD
input in this order, if required. 1. Have the following adjust-
ment conditions: RGB input
level at 13, video input level
at 24 and DVD input level
at 29.
2. DTV input:
Feed the 720P SMPTE
(color difference) signal.
3. If out of spec, select and re-
adjust the following sub-
jects.
Group : DTV
Subject : R-BRIGHT
B-BRIGHT
34 Color system
performance
check 1. Receive the color bar sig-
nal.
»
In the process mode and select L1. Check the color
and tint.
35 Video system
performance
check 1. Receive the monoscope
pattern signal.
»
In the process mode and select L2. Check the pic-
ture, brightness and sharpness.
36 Audio system
performance
check
»
In the process mode nad select L3. Check the bass,
treble and balance.