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Thread: Eightman Rusty V1 - TC538200P Replacement?

  1. #1
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    Shuri's Avatar
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    Jul 2012


    Eightman Rusty V1 - TC538200P Replacement?

    Please excuse the ant sized photo, I didnt want to flood my post with a giant closeup of rusty roms..

    My Eightman has audio corruption problems. After opening the cart, I can see that one of the V roms has rust on 3 of f its legs.

    I'm trying to find a replacement eeprom for this. I managed ot find those infos on the NeoGeo Dev wiki:

    1M x 8 / 512k x 16 TC538200

    According to the data sheet,
    The pins affected are 22, 23 and 25 which are for Power, and Data outputs for 23 and 25.

    and that's basically as far as I can go right now with my current knowledge.

    I'm still a beginner when it comes to this, but i'm eager to learn. I have a desoldering gun, a eeprom burner so I will be able to write a new eeprom.

    What kind of eeprom replacement Can I use for this?

    Thanks in advance

    edit: ti seems that a 27c800 would do the job?
    edit2: I have found this thread,

    Thjis may be of use for someone else!
    Last edited by Shuri; 10-11-2020 at 11:10 AM.
    Shuri approved class acts of
    mjmjr25, alberto1225, Terot, Fox1 and at the top: Xian Xi

  2. #2

    Neo Alec's Avatar
    Join Date
    Dec 2000

    Did you check continuity on the rusty legs? How about running patches from the chip to the board for the rusty legs?

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