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Thread: Neo Geo AES Graphic Problems

  1. #1
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    Neo Geo AES Graphic Problems

    Hello Friends,

    i have a Problem with my Neo Geo AES Console. Today i want to play with my Console but all Games have in the Intro Points and Lines on the Screen. When the Console starting without a Casette than th Screen is blus. I think this is correct. The most Problem are with the Intros, the Games have not so many Problems. I hope anybody can help me with the Problem.
    Thanks and Reagards from Vienna.

    IMG_20180901_110725_resized_20180901_115732743.jpgIMG_20180901_110735_resized_20180901_115732363.jpgIMG_20180901_114520_resized_20180901_115733538.jpgIMG_20180901_142748_resized_20180901_023356398.jpgIMG_20180901_115550_resized_20180901_115658659.jpg

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  3. #3
    Paris-Dakar Rally Driver
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    Quote Originally Posted by Xian Xi View Post
    I'm assuming this is a 1st gen system? Check the soldering on the LSPC-A0.
    That, and try pressing down on PRO-C0 and PRO-B0, to see if the dot pattern changes.
    Not long ago HPMAN showed me a very similar problem he had with a 1st gen. After checking connections between the video chips, we guessed it could only be an internal fault. Replacing PRO-B0 solved the issue.

    Hope that dying RAM in PRO- chips isn't becoming common...

  4. #4
    Genjuro's Frog
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    Quote Originally Posted by furrtek View Post
    That, and try pressing down on PRO-C0 and PRO-B0, to see if the dot pattern changes.
    Not long ago HPMAN showed me a very similar problem he had with a 1st gen. After checking connections between the video chips, we guessed it could only be an internal fault. Replacing PRO-B0 solved the issue.

    Hope that dying RAM in PRO- chips isn't becoming common...
    There's RAM in one of them?!?!
    My YouTube channel contains some MVS repairs and stuff:-
    http://www.youtube.com/user/GadgetUK164

  5. #5
    Paris-Dakar Rally Driver
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    Yeah the line buffers are split in both (can't remember how), the sprite pixels are rendered in them.
    In second gen systems they're all in NEO-B1. On the Alpha68k they were made of a bunch of fast RAM chips that could be replaced

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