Author Topic: Skateball (MPU) resistor TECH  (Read 926 times)

0 Members and 2 Guests are viewing this topic.

Offline Strangeways

  • Pinball Restoration is my passion
  • Administrator
  • Trade Count: (+9)
  • *****
  • High Score Initials:
  • Forum Posts:
  • Melbourne
  • ABN 68 283 634 461
    • Ride The Boney Beast
Re: Skateball (MPU) resistor TECH
« on: November 04, 2009, 09:44:37 AM »

That's an odd problem - Voltages that high would suggest the issue is not the MPU.

Test the Power Supply board - from memory - remove J1 and J3 and then test the voltages on the power supply in isolation. You are looking for the +43V test point.
Aussie Pinball - Proud to be Australia's Premier Pinball Forum

http://www.australianpinballrestorations.com.au/

http://www.rtbb.com.au/catalog/

We carry the largest range of NEW Ramps in Australia