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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Beocord 8004 - audio motor whine on startup

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Rammie16
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Rammie16 Posted: Sun, Aug 11 2019 9:19 AM

Slight motor whine on the audio when in startup/standby.

Not a major problem but still a little annoying.

I assume it's a capacitor somewhere in the motor circuitry?

Many thanks

 

 

Dillen
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Copenhagen / Denmark
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Dillen replied on Sun, Aug 11 2019 12:47 PM

Is the motor running when the Beocord is in standby? This could point to an electronic fault - usually a small transistor that has shorted.
Correct belts fitted? - Many "cheap chinese" standard belts (sold on Ebay etc.) introduce a too high sideways pull on the motor shaft,
The delicate sinter-bronze bearings in the motor don't like it.
The motor will run for a couple of hours, perhaps a few days or weeks, and typically makes a high-pitched whining noise before dying completely.

Martin

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