(Topic ID: 213670)

Pop bumper coil question, Elvis


By Arcade

1 year ago



Topic Stats

  • 8 posts
  • 3 Pinsiders participating
  • Latest reply 1 year ago by zacaj
  • Topic is favorited by 1 Pinsider

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#1 1 year ago

On to my next issue. Just noticed my top left pop is not popping.
I put the game in switch test and it registers a hit.
Start a game and hit the switch, it will make the game noise letting you know it was hit, but still no pop.
Fuse is good and other pops work great.
I then checked the transistor Q9 by grounding it manually and the pop coil fires every time with a manual grounding.
What should I try next?

#2 1 year ago

Does it fire in coil test?

#3 1 year ago
Quoted from zacaj:

Does it fire in coil test?

I will check.

#4 1 year ago

Nope. In coil test it does not fire.
The other 2 do.

#5 1 year ago

You didn't check the transistor. You checked transistor legs to and including coil wiring.

I'd replace the transistor. If that doesn't do it, something upstream from it isn't working.

LTG : )

#6 1 year ago

Thanks Loyd.
Both of those were my guesses.
But I’m the past if I grounded a Q9 or the like and the coil fired it was usually not the transistor.
I’ll change it and see.

BTW, still loving our AFMr LE

#7 1 year ago

No change with new Transistor

#8 1 year ago
Quoted from Arcade:

No change with new Transistor

Probably something else on the board that drives the transistor then. Work backwards up the chain

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