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Thread: Sega Genesis Model 3 has sound but no video or distorted image

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    Insert Coin (Level 0) Shaq-Funaki's Avatar
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    Default Sega Genesis Model 3 has sound but no video or distorted image

    My Sega Genesis Model has sound but it either has no video or shows a very distorted image (the image is wavy) depending on the television. On a new HD TV, there is no image at all. On a regular CRT TV, there is either no image or a wavy image that slowly disappears. It is not the cable either as I have tested the system using multiple cables. Any idea what the problem may be?

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    Insert Coin (Level 0) MaxWar's Avatar
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    Quote Originally Posted by Shaq-Funaki View Post
    My Sega Genesis Model has sound but it either has no video or shows a very distorted image (the image is wavy) depending on the television. On a new HD TV, there is no image at all. On a regular CRT TV, there is either no image or a wavy image that slowly disappears. It is not the cable either as I have tested the system using multiple cables. Any idea what the problem may be?
    What type of cable are you using?

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    Insert Coin (Level 0) Shaq-Funaki's Avatar
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    I have used 3 different cables. The original cable that comes with the model 3, the AV cable that came with my Sega Nomad (which is essentially the same cable) and a third party cable off Amazon. None work. I tested all 3 cables on the Nomad and all show video and sound without problem so I know it is not the cable. The AC adapter used is the official AC adapter that came with the Model 3.

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    Insert Coin (Level 0) MaxWar's Avatar
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    Almost sounds like it is trying to output PAL or something. Maybe try with RF adapter if AV does not work.

    After that I would want to test RGB signal going to the encoder.

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