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I have a Samsung HL-R5087W 50-inch DLP HDTV and half the screen on the right turns black while watching. I have to power the tv down and on again. The full screen returns but turns black within a few minutes. Is this possible a light engine or digital board issue?

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  • samdavismd Mar 12, 2011

    Thanks Hardrocko. I looked on the website suggested and saw a samsung analog board. Is an analog board the same as a digital board?. This is my first time attempting to change a digital board but willing to order and give it a try.

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Samdavismd,

It could be either but more than likely from what you describe it is the board which supplies the signal to the light engine. The board in question should have the part number marked on it. See my tip at

http://www.fixya.com/support/r6981868-replace_circuit_board_in_modern_tvs

which will walk you through the process for changing a circuit board.
You can get any parts you need at http://www.encompass.com or http://shopjimmy.com .

Thanks for using FixYa and for the great rating.

hardrocko

Posted on Mar 11, 2011

  • Kim Yearick
    Kim Yearick Mar 12, 2011

    No an analog board and digital board are different. The important part is to get the part number correct. I went to both sites and found nothing at shop jimmy. Encompass has some parts but nothing we are looking for. At this point you need to get the service manual. Many are available free on the encompass website, yours is not. You will need to purchase it athttp://www.servicemanuals.net . They are usually downloadable for about $16.00 USD. Once you have the manual look for the board which controls the light engine. It will probably be the mainboard but they could be calling it something else. There is an outside chance that the DLP chip could be bad on one side but there is no way to test it at this point for you. If you have little to no electronic skills you may be getting in over your head. Replacing a DLP chip is not for the faint of heart. This is also a difficult problem to diagnose, and one you never see as a technician, so a professional would have a challenge repairing this unit. If you aren't in a hurry, want to learn some new skills and don't mind putting some money into a unit which ultimately may not be reparable by you, then by all means go for it. If you need more help let me know. I will get any of your comments via FixYa.

    Thanks for using FixYa and for the great rating.

    hardrocko

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