When turned on. The sound comes on for a few seconds then goes off. The picture is good but after 10 to 15 seconds the set clicks and the picture resizes, sound comes back on for a few seconds and goes off again. This runs a cycle 3 to 4 times ant the TV shuts off. The lights on the front are in the STANDBY/HEAT. The Color Wheel, Fan2 and Lamp have all been replaced.
Suspect number one is not fan, lamp or Color wheel--optical light engine with dmd is.
An after thought= if this started after color wheel was replaced--look at the two cables from it to the DMD---the flat ribbon cable only has contacts on one side and can be inserted backwards........not in most instructions for replacing the wheel.
Contacts on that cable usually face the rear of the set.
based on what you have told me I have no further suggestions short of being there.
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SOURCE: samsung model # HLP5063WX/XAA 3 lights blinking
It can be the Lamp Ballast as well as the Color Wheel.
SOURCE: Samsung HLP4674W - changed bulb - still no picture - lights flash
If the lamp has been replaced I would think the Lamp ballast would be most likliest followed by the color wheel and then the Digital board. You can get any part needed for your model at www.tvrepairworld.com just leave them a email they respond quickly.
SOURCE: Samsung HLR5067W replaced color wheel, LAMP light blinks
according to samsung this is indeed the problem.
Testimonial: "Excellent expert advice. Confirmed what I believed to be the problem and it was. Very knowledgable"
You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
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I need further input? What is dmd? I have made sure the problem was not the input mode. Tried VCR, DVD and PC. All have the same results. Have unplugged and reset with at least 3 minutes in the no power mode at all. When plugged into the AC outlet... let stand for at least 1 minute before hitting the power button.
The DMD is the metal box with a lot of round holes punched in it that the two cables from the color wheel plug into---it communicates with light engine to and from main chassis---if bad not worth fixing--better to replace entire engine.
One other stupid suggestion--cannot hurt---blow the set clear of all dirt/dust especially the three fans(lamp, dmd fan, and another.
I have checked the flat ribbon cable from the color wheel, it is correctly installed. When I replaced the lamp, the TV worked correctly for a week. Then the picture sizing and cycling started.
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