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Discussion Starter · #1 ·
When cold, my Samsung HLP4663WX/XAA powers up fine and then, after maybe a minute, displays sets of black and white vertical bars and then goes black. The sound still works, so it seems to be related to the display only.


When disconnected from all inputs, I've turned on the unit with the Mute 1 8 2 Power sequence. When the unit is cold and turning on with this sequence, I notice green dots displayed in vertical bars over the service menu on the left. The green dots become more dense until the black and white vertical bars appear, and then the screen goes blank.


I've opened up the back of the unit and there is little dust (I cleaned out the unit about a year ago when I replaced the color wheel).


Any help is appreciated.
 
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