Question about InFocus ScreenPlay 4805 Multimedia Projector
Hi I have a similar problem monochrome image... the screen starts with black horizontal bands.. then speckled white dots appear and fill the screen.. and slowly grow.. I press the keystone keys and the amount of white speckle changes so the buttons work .. to an extent... also connected to a vga and played movie, the projected image flickers as the movie plays.. the audio is fine through the projector...
Please help I hope its just noise from the 680uf 16V caps in the power section and hope not a mainboard fail! :-)
Posted on Sep 23, 2012
That is a definate Mainboard replacement.
Must warn you that it could turn out to be a expensive exercise
Posted on Mar 27, 2008
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Posted on Jan 02, 2017
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After turning on the projector, press "+" and "-" buttons on the control panel
simultaneously for 3 seconds and release the buttons when screen goes blank.
2 Press "+" and "-" buttons again to exit the diagnostic mode.
3While in Self-diagnostic mode, the screen will run a seven-color-cycle test as
Red--> Green--> Blue--> White--> Watchet Blue--> Dark Green--> Yellow.
Ensure that the colors of the test pattern are correct. Contact Dell if the colors are
not displayed correctly.
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