Question about Sanyo PLC-XR70N 70" LCD Monitor

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Ghost image We have a PLC-XR70N 70? Sanyo TV that has like what we would describe as a ghost or double image on the screen. Any ideas? Email:

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  • plschley Oct 24, 2008

    I did submit the answer from IrishDruidas "thanks for trying" only because I'm looking for more information. It is very possible that IrishDruid has the answer. Thanks...


2 Answers

It looks like there is a projector within the television. Would these convergences IC's be in this projector? This ghost like shadows would be like a yellowish shade that outlines one side of the images or letters. I Googled the convergence IC's on this blog but my symptoms are different. I don’t have the shaking, bending or multiple lines and the TV does not blink or shut down. Just this yellow like hew on the left side of the shape. There are so many setting located on the projector, I thought it may just need to be reset, but I don’t have any information for what the buttons actually do. I just want to make sure the IC's are the problem.

(Posted by doitmyself on Aug 04, 2006:
My TV was working fine then today the color went nuts, image is shaking, bending, ghost, and multiple lines are seen. After about 3 minutes, the power LED began to blink then the TV is shut off. Based on some of the postings, it seems like the problem is the convergence IC. I opened the back of the TV and saw STK392-110. I did a search on the net for the parts and found some IC with STK392-110 and some with STK392-110T.)

Posted on Oct 23, 2008

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You will have to replace both the convergence IC's on your TV..

Posted on Oct 23, 2008

  • Swilin Sampson
    Swilin Sampson Oct 24, 2008

    Yes, The STK chips are the convergence IC's. They are 2 in number, and both will have to be replaced. They are located on the mainboard, attached to two huge heat sinks. Here is a good pictorial guide on how to replace them.
    Here's another:

    You can buy the STK's online from here:

    Hope that helps!

    PS - I would appreciate if you could revise the rating to either "Helpful" or "Fixya", as Thanks for Trying" is a negative feedback. Replacement of the STK's will definitely work (if done correctly) and I would probably get get a Fixya! under other circumstances, except that I cannot physically do the repairs myself.

    If are unsure how to do this, try to get a friend who knows
    this kinda stuff to do it for you, or get a qualified technician.

    Warning!!: If you do not have a background in
    electronics repair, or are inexperienced, get a qualified technician to do it
    for you.

    REMEMBER there are very dangerous voltages inside a TV
    that can KILL. Be sure to work SAFE when dealing with electricity. DISCONNECT


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