Question about Samsung HCL4715W 47" Rear Projection Television

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I got a Samsung HCL4715W from a neighbor and did not get the remote. I turned the TV on and the red lamp did not come on but when I pushed the menu button all three lit up. It also looks like it is not focussed. What is the problem or where should I start first? Thanks, Ron

Posted by Ronald Johnson on

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Noe Z Bernabe

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Hi , first thing is check for leaks coolant in all 3 tubes. It is a very common problem in Samsung projection TV. This means, if you have a leak, it makes no sense to repair your TV, isa big money for parts. Another possible solution would be convergence board is damaged, two STK 392-040 IC's number; also has associated resistors that can be opened or burned. Be careful, Try to open the TV and watch these two important details. If you have further questions, do not hesitate , I will be here.

Posted on Aug 18, 2011

  • Ronald Johnson Aug 18, 2011

    Thanks for the response. I plugged in a dvd player for an input and all three lights came on and stayed on. there is a black area in the middle of the screen and it still looks like it has a convergance issue in the area around the black area in the center of the screen and if I go to the menu it also shows three separate images. I attempted to go to convergance in the menu but it said I needed the remote to set convergances manually. Is there a way to do that without the remote? Does it still seem like it has bad IC's or more? Thanks again, Ron

  • Noe Z  Bernabe
    Noe Z Bernabe Aug 19, 2011

    Hi again. Sorry but I have to say that convergence is damaged (STK).
    Follow the link here below, write the part number and get an idea of how much money it costs.https://www.encompassparts.com/webwiz/ww...

    AA95-01846D Part Number
    Description Assy Sub-pcb, Sub

    If you like I can help fix it, could be less. I hope my help is a good point.
    There is no way to adjust convergence with or without the remote control when the convergence is damaged
    Good luck in your decision.

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