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(Topic ID: 267904)

+5v and GND test as continuous - Sorcerer Sytem 9 MPU

By BC_Gambit

3 years ago



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  • 3 Pinsiders participating
  • Latest reply 3 years ago by BC_Gambit
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#6 3 years ago
 
TOX

ChrisHibler

Chris' Pinball Repair

US Chesterfield, MO

12y 120K 9,997 46

Not normal.
Somewhere, you have some kind of solder bridge (not that likely as resistance would be near zero) or you have a failed part.
You can start "diode testing" the parts on the board, using the schematics as a guide to see what is tied to ground and what is not.
I've done this many times, usually trying to track down blown chips after the body-to-head harnesses were swapped.
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

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