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(Topic ID: 279937)

2532 - problem with GQ4x4

By jimy_speedt

3 years ago


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    #4 3 years ago
     
    INK

    Inkochnito

    Pinside member

    NL Piershil

    12y 91,650 3,167 12

    I have the same kind of problem.
    Did you get your eproms from Ebay?
    A Chinese vendor?

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    #21 3 years ago
     
    INK

    Inkochnito

    Pinside member

    NL Piershil

    12y 91,650 3,167 12

    Here are some image from the chips I have.
    They all (50) look the same.

    20201021_201703 (resized).jpg20201021_201703 (resized).jpg20201021_201705 (resized).jpg20201021_201705 (resized).jpg20201021_201858 (resized).jpg20201021_201858 (resized).jpg
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    #24 3 years ago
     
    INK

    Inkochnito

    Pinside member

    NL Piershil

    12y 91,650 3,167 12

    Quoted from Quench:

    Date code 2009? Must be remarks. The silicon die in the bottom left chip of the last picture looks a little different to the other chips.

    That's what I'm affraid of.

    If the lightfall is correct you can see the 2x 4 lines on all the chips.
    It's hard to focus my phone camera on such a small object up close.

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