[Jukebox-list] my Wurlitzer 3600 (3610) magazine motor literally went up in flames

[Gerald Pearce]

Jay Hennigan wrote:

> clarence3 at gmail.com wrote:
>
>> The record magazine carousel won't turn, even when I move the 
>> SCAN/LOAD/RUN
>> switch to SCAN, so I tried testing the magazine motor to see if it was
>> good.  Long story short, I hooked the motor up to 120V AC and I got a 
>> nice
>> little fire.  :(
>>
>> Was it indeed faulty or is it incapable of taking 120v AC directly?
>>
>>  Can someone provide some info on the motor or a replacement source?
>
>
> It is (was) probably a 24VAC motor.  Most jukebox control circuitry is 
> 24 volts.  Only the turntable motor is typically 120VAC.  Someone on 
> the list may have a junker with a similar motor.  Alternatively, you 
> may be able to unwind the coil and count the turns, rewind a new coil.
>
> That style of shaded-pole motor is common in 120VAC applications.  
> I've seen them in refrigerator fans, barbecue spits, etc.  24-volt 
> versions are not as common. The bracketry and gearbox are likely to be 
> unique to that application but the basic coil and laminated core 
> assembly should be relatively common.
>
> You'll want to get a service manual, a few people on the list sell 
> reprints.  While you're searching for a motor, test all of the little 
> red/black lever-action microswitches.  You'll likely find several bad 
> ones.  Resistance should go to a small fraction of an ohm 
> simultaneously with the click of the over-center spring, and stay 
> there.  A flaky microswitch (or several) is likely the cause of the 
> magazine failing to spin.
>
> As a rule, testing random components by applying line voltage and 
> observing the result is not a good idea.  :-)
>
> -- 
> Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
> Impulse Internet Service  -  http://www.impulse.net/
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>
>
If you can't find a replacement motor in the states (highly unlikely, I 
know) I have one here in France.  You'll need to use your old spindle 
and gearbox but the motor is otherwise sound

All the best

Gerald