[Jukebox-list] NSM Serenade

[Doug Duncan]

john stanton wrote:
> I have a 1963 NSM Serenade record selects plays and returns o.k but even without a pin selected it continually scans and i can only find a manual in German. Any help appreciated. John
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At the right front of the mechanism is a service switch that raises an 
irregular piece of metal off the scan microswitch. The switch can 
clearly be seen at the front of the mech. What is (probably) not 
happening is that the metal piece is not dropping under its own weight 
and cutting off supply to the motor. This is either because the pivots 
etc are gummed up in which case a clean and lubricate should do it or 
because the selector system is out of adjustment.

The same microswitch is used to start the scan when a selection has been 
made. The irregular piece is 'cocked' and lifted off the microswitch by 
the cam on the selection system and once a full two way scan has been 
made it will return to the same rest point. If the components with the 
selection solenoids etc. have been maladjusted then the switch may not 
cut off.

regards,

Doug