Question about RCA P61960 61" Rear Projection Television

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Attention, SD TECH I read your 8/25/10 post on

Attention, SD TECH I read your 8/25/10 post on convergence problems. I have an RCA P61960 and went through the remote menu and the neither the red or blue would move at all. The picture has a fishbowl look to it. How do I locate the IC chip to determine the STK number? Thanks!

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  • RCA Master
  • 14,553 Answers

This model does not use STK CHIPS. Look on back of set where model number is---what is PTK number---ie: PTK 169, OR PTK 195

Posted on Sep 01, 2010

  • Cindy Reimel Sep 02, 2010

    Thanks for the fast response. The PTK # is PTK195Y06T

  • SD Tech
    SD Tech Sep 02, 2010

    Listen carefully, this chassis rarely has convergence problems.

    With set unplugged, remove back cover and note small circuit board mounted well above main boards at the bottom--it is about 3 inches deep and 10 inches wide.

    Your problem is on that board, it supplies voltages for convergence.

    I can tell you exactly what parts to look at--board has about a dozen diodes---Two are much larger than the rest--one of them is shorted--I have seen this in over 100 of these sets.

    Do you have a ohmmeter? Used to check fuses etc.

    That board is only held in with 4 screws and has about 5 or less plugs----mark the plugs and test the diodes----the two you are interested in are on the right middle of the board---they must not read like a fuse----one has shorted.

    Let me know and if this helped, rate this solution as very helpful as I do this here for free.


    SD TECH

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With the set unplugged, remove the back cover--there is a small circuit board mounted ABOVE the main boards--it is about 10 inches wide and 4 inches tall---On the far right side of it are several DIODES---two are much larger then the rest--what usually happens is one of the large diodes is shorted--5 dollar part---the board only has a few plugs and 4 screws that hold it in---easy to remove--check all the diodes(the two large ones first)

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