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Old 10-21-2018, 08:29 AM
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init4fun init4fun is offline
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Quote:
Originally Posted by old_tv_nut View Post
This seems like typical motor commutation interference.

Zenith had a device they called "the growler" for testing analog TV sync circuits.
That's the second diagnostic tool use I've heard for the word "Growler" . In electric motor servicing there is a tool called the growler that will indicate shorted windings in a motor's armature . Since the electric motor servicing growler predates mass market TV , I believe the name of your device was borrowed from the original growler ...
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