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Thread: NES blue screen that just won't quit

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    Cherry (Level 1) Gooch3008's Avatar
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    Default NES blue screen that just won't quit

    A non-toploading NES that I purchased for $2 at a local flea has died. Heres a run-down for you NES experts here.

    • Ordered and replaced 72-pin
    • Opened case and cleaned out not only what looked like 1/4 of a can of some ancient cola that was once spilled inside (just into the bottom of the case, not on the board)
    • cleaned off the contacts on the mobo side with an eraser/91% alcohol
    • disabled lockout chip (I was careful about this, did not damage anything)
    • ALL of my games have been taken apart and cleaned thoroughly


    This thing was working like a champ until recently. Suddenly it doesn't want to play games at all, only displaying a blue screen. I have fiddled with cart positioning and swapped out the RF cable and power cable for spares I have.

    Is this something I can repair or is it dead? I feel like a dear friend has died even though I have only owned this NES for about a month.
    I have already been eyeballing top-loaders on ebay and setting aside cash for a flea market console again....

  2. #2
    Insert Coin (Level 0) ahm's Avatar
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    Just a guess, but see if you have any leaking capacitors and replace them.
    Also, check PC board traces for any corrosion.

    Andy

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