Double vision screen on Galaga.

morbidboy

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Just started yesterday. Power supply is ok. There's a double image with gibberish on the left side. Needs a Cap kit or is it another problem?
 

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then what is it?

It looks to me like a problem with the video board and maybe the ribbon cable between the boards. Most probable a connection with the rom chips to sockets (on the video board). I would take a look at the rom chips on the cpu board and try to re seat them as well as the cpu board. I don't really think any of the chips have failed but it IS possible.
 
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