Famicom graphics problem | possible PPU issue?

Discussion in 'Repair, Restoration, Conservation and Preservation' started by Matisfaction_archive, Mar 30, 2013.

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  1. Matisfaction_archive

    Matisfaction_archive Rapidly Rising Member

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    Famicom graphics problem

    Hi, basically I AV modded my famicom, I was testing pin 21 on the PPU to see if it was any different to where I was originally getting my video signal from. I think that I must of accidentally touched another pin or done something wrong as now I have this problem:

    [​IMG]

    Games still run and the sound is also fine, but as you can see the graphics are a pretty messed up, is there a way to fix this or is my famicom doomed? : (
     
    Last edited: Mar 30, 2013
    Matisfaction_archive, Mar 30, 2013 Report
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  2. ApolloBoy

    ApolloBoy Gutsy Member

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    Check to see if you have any shorts. I'm assuming you were trying out the pin 21 method with the system on?
     
    ApolloBoy, Mar 30, 2013 Report
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  3. Matisfaction_archive

    Matisfaction_archive Rapidly Rising Member

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    Yes, I forgot that the machine was still on, I might have accidentally scraped the mobo, so a broken trace is most likely, or at least I'm hoping.

    Thanks.
     
    Matisfaction_archive, Mar 31, 2013 Report
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  4. Shane McRetro

    Shane McRetro Blast Processed Since 199X

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    Did you ever get this one up and running again? Just catching up on all my old messages and saw this!
     
    Shane McRetro, Jul 13, 2013 Report
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