Hollywood Crane

ACDNate

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Donor 2022, 2024
Joined
Jul 15, 2022
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Location
Biloxi, Mississippi
Finally circling back around to a crane I picked up a couple years back for $100. The gantry returns to home as it should. The claw coil won't energize consistently and now it won't start a game.

Pulled the relay board to investigate closer. Found a couple obvious issues here and there but the bigger issue is tons of corrosion everywhere.

All relays, transistors and potentiometer test good. Caps will have to come out to verify. One showing slight puffing so ill assume its bad. Bridge rectifiers too corroded to test properly but believe they must be good since im getting DC motors working.

Bigger question, is there a viable board system i could swap this out too to ensure longer term reliability verses spending hours cleaning this up?

 
Did a little cleanup and re-attached a resistor. After some testing it appears the transformer secondary 110v is bad. Gonna be interesting finding a replacement
 
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