Question about Samsung HLP5085W 50" Rear Projection HDTV-Ready Television

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Samsung HLP5085W DLP - lamp replaced about 7 months ago. I powered up TV and got strange colors with flickering picture. Turned unit off and triangle symbol appears with lamp showing - needs replacement. Could it be a ballast problem? When I power up now the TV just scrolls the blue circle like it is starting up over and over again for many times, then shuts down and triangle appears again. I don't want to buy another lamp and it be a different problem. Lamp is a Phillips and worked fine until today.

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Strange colors and flickering picture symptom shows problem with color wheel and/or dmd board.
Lamp is only light source in dlp tv and it has nothing with colors or picture flicker.
TV goes to protection mode because of some internal problem as mentioned above.
If you wish to repair tv by yourself then you should have service manual copy in hand and that can be downloaded from HERE for small fee.
Hope these info will help you.
Thanks.

Posted on Jul 04, 2010

  • fschimpf Jul 04, 2010

    Tried to power up this am. TV drones, like a deep hum seems to be cycling and it has an intermittent drone sound, then triangle and light bulb icon appear. Could the color wheel be locked up and that is the sound I hear, power trying to spin it against resistance. It definitely sounds like heavy resistance. I didn't want to tear into it yet, and the TV is in a recess, so getting it out is a 2 man job. Is there something I can see on inspection, color wheel free wheeling? or anything that would point to a specific problem area.
    Thanks


  • Shahid Electronics
    Shahid Electronics Jul 04, 2010

    Color wheel is located in light engine and tv will take apart in details, need to take out light engine out from tv cabinet then removal of lamp housing because color wheel is located next to lamp housing.
    TV showed signs before going to stop working are color wheel that stop spinning for some reason that could be it got jammed or broken etc.



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