Creature from the Black Lagoon
Bally, 1992You're currently viewing posts by Pinsider ChrisHibler.
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Plug J102 back in.
Power on.
Measure AC voltage between J102 pins 1 and 4.
It should be about 18VAC.
Report back.
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Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact ... for board repairs
http://www.PinWiki.com - The Place to go for Pinball Repair Info
Quoted from at1105:Between pins 1 & 4 measures 17 VAC
That's good. That is what it should be.
Remove and "buzz" F111 to ensure that fuse is good.
After that, next step is to test BR4.
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Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact ... for board repairs
http://www.PinWiki.com - The Place to go for Pinball Repair Info
Oh. Forgot it was a RD.
Follow the trace from F111 to a pair of large diodes. Those two diodes will also connect to two other diodes. Test all four of those diodes.
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Chris Hibler - CARGPB #31
Http://chrishiblerpinball.com/contact
http://www.PinWiki.com/ - The new place for pinball repair info
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Chesterfield, MO