Arcade Collecting > Restorations & repair

What's my first step? Sinistar - not working

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RetroACTIVE:

--- Quote from: geocab on April 05, 2009, 03:47:25 pm ---Yep, that's the speech board, I wonder if that pot is strictly for speech though.

Will definitely thoroughly check out the harnessed one and will post my findings when I do.  :)

--- End quote ---

Yes the small pcb mounted pot is only for speach... the other cab mounted one as Peale indicated is the main... If just speach is cutting out I'd suspect the ribbon connector.   If all sounds are cutting out    or are intermittent then I would check/clean the sound-ROM board interconnection.   Also go into diagnostics and test the sounds... It should let you walk through them.  If certain sounds are consistently not working and all the connections have cleaned and verified it could end up being a faulty PIA on the sound board.

Certainly check the main volume pot as was suggested.

You should recap the sound board as well.  Bob Roberts sells kits for Williams sound boards.

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