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(Topic ID: 256260)

Keeps blowing fuse!! Gottlieb System 80b

By TecumsehPlissken

4 years ago


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#31 4 years ago
 
FUZ

hawknole

pinball fuzz

US North Port, FL

7y 73,050 975 7

Quoted from pintime:

I am looking at wiring diagram for black hole ,8 vac comes from transformer goes through fuse F5 then trough bridge rectifier if the bridge rectifier is bad it will crete short and blow fuse .The driver board usually is not a issue since it only controls path to ground and if your blowing fuse your short is on power side

Yes, the original bridge rectifiers in the SYS 80’s were problematic and should be replaced. Plus there was a ground issue with these necessitating a ground mod procedure, I don’t have details.

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#33 4 years ago
 
FUZ

hawknole

pinball fuzz

US North Port, FL

7y 73,050 975 7

OP
Quoted from TecumsehPlissken:

Ok Thank you Pintime & Hawknole very much! I will be checking that as soon as I get home from work this eve. /// please forgive my ignorance as this is my very first Gottlieb & I thought all of the Bridge rectifiers were on the boards , I actually traced the wires earlier to one of those but did not realize what it was , they are under the playfield 3 of them next the transformer

Yeah, those guys

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