(Topic ID: 282446)

Identifying Coils Without Schematics

By sixgill

1 year ago



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  • 3 posts
  • 2 Pinsiders participating
  • Latest reply 1 year ago by sixgill
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#1 1 year ago

So I don't have the schematics. They're heading over from the US but in the meantime, I'd really like to get started replacing some coils on my Gottlieb Road Race and Bonanza.

Is there any way to identify the correct coils from EMs without the scematic? The paper around them is either faded or lost or burned...

#2 1 year ago

On Gottliebs made before 1970, the coil bobbins were made of a brownish fiber. Near the solder terminals of such bobbins, Gottlieb embossed the coil number into the bobbin.

#3 1 year ago
Quoted from KenLayton:

On Gottliebs made before 1970, the coil bobbins were made of a brownish fiber. Near the solder terminals of such bobbins, Gottlieb embossed the coil number into the bobbin.

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