Troubleshooting Table - Sharp XR-1X Service Manual

XR-1X
Checking the basic
operation
Does the power LED light
up or flash in red or green?
YES
Does the set function with
its keys or the remote
controller?
YES
Lamp does not turn on or it
turns off in a short time.
NO
Nothing is displayed or
white vertical line noise
NO
Colors are not displayed
normally. Color deviation
and color fluctuation occur.
NO
Is RGB input displayed
normally?
YES
Is component input
displayed normally?
YES
Is VIDEO input displayed
normally?
YES
Is S-VIDEO input
displayed normally?
YES
END

TROUBLESHOOTING TABLE

Has SC2551 come off or is
NO
it loose?
NO
Go to "Main PWB check".
YES
Go to "Checking the lamp
light-up".
YES
Go to "DMD system
check".
YES Go to "PHOTO SENSOR
circuit check".
NO
Go to "Checking the RGB
signals".
NO
Go to "Component signal
check".
NO
Go to "VIDEO input
check".
NO
Go to "S-VIDEO input
check".
YES
NO
36
Fully insert the connector.