Having problems with your Projection Televisions ?

I have the Samsung LED DLP Model number HLT6187SAX/XAA, Version RE01, Awhile ago while i was watching a movie the tv went black with just the audio still working. I turned off the tv than turned it back on, it came back on but with a blue green tint, it kept flashing blue. I took it apart and cleaned the heat sinks on the LED's as they were very dusty. Now it works fine but with out any red colors. I believe the red LED burnt out. Is there only one light engine for all the LED's or does each LED



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