(Topic ID: 63757)

BIG GUNS CLUB - Save The Queen!

By Chitownpinball

10 years ago


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#248 9 years ago

I'm having a issue with my BG - Not sure what to do.. Basically, it doesn't register that there are any balls loaded. If I shut the game off, flip up the playfield, go into the switch edge test, and manually trip them, they'll work (most of the time). It appears that the whole switch column is experiencing issues. I've tested the diodes, and they all appear to be good.

What else can I do to investigate further?

#250 9 years ago

^ I tried the switch tests too, and it didn't make a difference . I'll try pulling the MPU next and check the solder joints.

#251 9 years ago

Update - Thanks CNKay I should've looked at the board closely before investigating much further. The person I got my BG from said that there was battery damage previously that he had professionally repaired. It looks as though they missed some of it - The pin header and solder joints on 1J8 had signs of corrosion. I removed the pin header, neutralized the acid, and cleaned up any other components that looked suspicious. Now I just need to take a trip up to Fry's to get some pin header and I should be back in business.

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