(Topic ID: 164900)

Stern /Nugent 7s flashing on all 4 players score

By Raff

7 years ago



Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 7 years ago by Raff
  • No one calls this topic a favorite

You

Linked Games

  • Nugent Stern Electronics, 1978
#1 7 years ago

Turn machine on start a game for 1 player and all 4 players score are showing 7s everywhere even on the credit window
and ball in play after 15 mintues of play it seems to be ok any help on this would bie good
Raff

#2 7 years ago

Probably an issue with connectors.

Gently wiggle MPU j1 then gently press on u10 and u11 see if that makes the problems come / go. Then do the same on each connector on the displays.

#3 7 years ago

looks like j1 by moving the connector around the 7s are flickering on and off , which wire on j1 would be controlling the 7s, and sorry
about the double post I made don't know how that happened.

#4 7 years ago

Pin 28 on J1 is the probable the loose pin (last pin on the bottom of J1).

#5 7 years ago
Quoted from Quench:

Pin 28 on J1 is the probable the loose pin (last pin on the bottom of J1).

Thanks I will re pin 28 and take it from there

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