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sp.ace cash bowl boards


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hi. I have been trying to get my cash bowl working. Tried different second hand boards and also 2 psu's. No joy. Can only assume all boards duff. If any one has any tested boards or a machine lying around i'll swap em for some beer money! Would rather get it working than bin it. I bowl (ten pin) so would be good to have in my games room.

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Battery off, removed tranny Q25 and Q27, one of which the legs had eaten through.Chip Q29 looked knackered so replaced it with one from a spare board. Once replaced, followed all tracks back, and seemed to be ok.

 

Upon switching on, I get a click - looks like reset light goes off on PSU, and then nothing. If I spin the reels, the light comes on for each on. so power is getting somewhere.

 

I have followed most of the tracks below the battery with a continuity tester to make sure no tracks are broken.

 

Any other ideas? How can I trace the power through to make sure its getting everywhere?

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spare boards taken a bad hit from the battery, several ICs need to be lifted and replaced. Couple of tracks want sorting too.

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This morning, found a through hole track on the board that had corroded. Fixed it and now get power and startup.

 

It now goes throught he sequence of identifying the stake CA06 5jp etc. The comes up with "PC=" in the display and "ST" on the bottom display...

 

Cant see error PC= anyway in the manual. Any ideas? Thanks.

 

Chuffed that it seems to be getting there, from a dead duck.

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