(Topic ID: 306932)

Gottlieb "300" score motor continuously running

By NickNitro

2 years ago



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  • Latest reply 2 years ago by NickNitro
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#7 2 years ago

The 300 schematic provides a pretty good example of why you can't reliably measure the resistance of a coil in circuit:
Parallel coil resistance measurement (resized).jpgParallel coil resistance measurement (resized).jpg
If you clip your meter to the solder lugs of the AX Reset coil without removing one lug from the circuit you'll measure the resistance of all five of these coils in parallel.

/Mark

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