Sharp PG-F320W - Notevision WXGA DLP Projector, Service Manual

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PG-F320W
5 – 1
PG-F320W
Service Manual
CHAPTER 5.
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
Checking the basic operation
Does the power LED light up or flash
in red or green?
NO Has P1701 come off or is it loose? YES Fully insert the connector.
YES NO
Does the set function with its keys or
the remote controller? NO Go to “Main PWB check”.
YES
Lamp does not turn on or it turns off in
a short time. YES Go to “Checking the lamp light-up”.
NO
Nothing is displayed or white vertical
line noise appears. YES Go to “DMD system check”.
NO
Colors are not displayed normally.
Color deviation and color fluctuation
occur. YES Check PHOTO SENSOR circuit.
NO
Are RGB and component input
displayed normally? NO Go to “RGB and component signal
check”.
YES
Is VIDEO input displayed normally? NO Go to “VIDEO input check”.
YES
Is S-VIDEO input displayed normally? NO Go to “S-VIDEO input check”.
YES
END