Author Topic: bally supersonic/no controlled lamps  (Read 628 times)

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Offline Mr Pinbologist

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Re: bally supersonic/no controlled lamps
« on: June 19, 2011, 10:17:26 PM »
I'm slighty confused here, you mentioned earlier it was a MC14502 you suspect is the problem... is it a 4502 or a 4052 chip you're replacing?? coz they are NOT the same  *.* *.* *.* *.*

a 4052 is a dual 4 input multiplexer, and a 4502 is a HEX inverter!! definitely not interchangeable!!