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Thread: svc chaos pcb no video

  1. #1
    Member jimc787's Avatar
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    svc chaos pcb no video

    Was wondering if anybody has run into this before with the pcb version of this game. I just got it off ebay popped it in my cab and no video just sound.

    -Now my mv-1F works perfectly in the cabinet video and sound and all.
    - 5 VDC is at 5.15
    -Tried a second power supply

    still no video.

    I was wondering if the eprom in the middle of the board could have anything to do with this or if there was any specific chip I could pull off of another mvs to swap out to test this?

    Any help is greatly appreciated

  2. #2
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    Check that your Video Ground and Sync on the SVC pcb are making contact with your Jamma plug.
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  3. #3
    Member jimc787's Avatar
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    ok so kind of made some head way on this. I know the svc chaos board is good video and sound. swapped it into an atari war cabinet and it came up perfect. tested my jamma good as well. So, I wonder if anyone has ever run into this before. I believe it may be something with the monitor chassis. Thing is a bunch of other standard res games work in the cabinet. ex. street fighter 2, final fight, mvs, pgm system without any issue. so the only two i had not working in the cabinet is the svc chaos and my xevious 3d/g.

    If anybody has any idea any help would be great. I havent seen this ever in the 20 years ive been doing amusments

  4. #4
    Member jimc787's Avatar
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    I solved this. The wells Gardner d7700 digital monitor has a sync select jumper on it. Changed it to the other jumper and boom worked perfectly. What a stupid thing.

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