(Topic ID: 258271)

Fathom Switch Issues

By Hi-Fi

4 years ago



Topic Stats

  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 4 years ago by Quench
  • Topic is favorited by 1 Pinsider

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#2 4 years ago
Quoted from Hi-Fi:

I looked at the schematic and “I 6” (65-A4J2-14) has most of these features so I thought I was on to something. However, the right flipper and the tilt still work?

You are onto something.
All those switches on "I6" that aren't working come from MPU connector J2 to the playfield. The tilt and right flipper button on "I6" come from MPU connector J3 to the cabinet.
So you likely have a bad connection at MPU J2 pin 14 that needs to be reterminated with a new crimp terminal.

#4 4 years ago
Quoted from Nokoro:

Could it also be a broken or disconnected wire on one of the switch lugs somewhere downstream of all the switches that aren’t working in that row?

Sure could. OP didn't mention the 2nd green inline drop target not working which is also on that row so potentially it could be a broken wire at/after that inline drop target switch.

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