[Jukebox-list] Re: Latch Solenoid Buzz, Record Speed, Scanning Pause, Glass polish

[Wesley Dean]

    The shading ring does not have to fall off. It can be distorted in constant use. Limit the time the coil will be energized. Wes
----- Original Message ----- 
From: "Jeff Dieterle" <djdieterle at localnet.com>
To: <jukebox-list at lists.netlojix.com>
Sent: Saturday, April 28, 2007 7:11 AM
Subject: [Jukebox-list] Re: Latch Solenoid Buzz, Record Speed, Scanning Pause, Glass polish 


> AC coils have a small shading coil which induces current flow 90dg out of
> phase with the line current. This keeps a small amount of holding current
> flowing as the line current passes through zero each cycle. 
> Sometimes the shading coil is a small c-shaped clip around the main coil
> frame and these can fall off. The result is coil hum.
> 
> 
> _______________________________________________
> Jukebox-list mailing list
> Jukebox-list at lists.netlojix.com
> http://lists.netlojix.com/mailman/listinfo/jukebox-list