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1980 pacman arcade fix
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Question
Prince Vegeta
Hello everyone I need some guidance. I bought an original pacman aracde machine at a garage sale for $150. I knew it needed work. When I turn it on the marquee lights up and I hear this extremely loud buzzing noise from the speaker and also the only thing I get on the screen is a very faint horizontal white line in the middle that flickers. it's not as prominent as the videos I've seen of vertical collapse. I guess my original thought was to troubleshoot the crt but I'm conflicted due to the speaker issue. Could a bad crt also affect the speaker or could it just be a bad pcb causing both. I watched how to discharge the crt before hand and was gonna look for any cold solder joints or anything obvious just didnt know where or what part to begin with.
Thanks a bunch
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