[Kenwood] TS940 Pwr Supply Fan info

Sat, 20 Dec 2003 13:38:38 +0000

Buy a new fan.... I'm out the door to work..  The oil will work for a 
while, a real p.i.t.a.         There's a place that sell this and other 
stuff for kenwood on one of the coast's..R.F. something or other. abt 
30.00 a couple yrs ago.
73,
Zig KM9M

[email protected] wrote:

>Mike,
>
>Can you disconnect the fan and connect to a bench variable power supply.
>Years ago when I had a 940 my fan was slow as well. It turned out that
>it needed a few drops of oil on the bearings (not easy to get to). Maybe
>it is the same situation??
>Good luck.
>Happy hollydays.
>
>Mort, KB6BSN
>
>
>  
>
>>Just bought a nice clean 940 (10 mil s/n) and noticed it runs a little hot
>>on the power supply side.  Inspection revealed that the fan was barely
>>turning.  The fan checks good with a 12 volt bench supply.  I have approx
>>18.8 volts on one side of the thermistor.  When I jumper the thermistor, I
>>can see approx 2 volts on the high side of the fan and it's turning, but
>>not
>>enough to move air.  I also get the same results by putting my solder iron
>>close to the thermistor while it's in the circuit.  Sure would appreciate
>>some help if anyone has been down this road.
>>
>>73
>>Mike
>>K5UX
>>
>>
>>- - -
>>
>>Your moderator for this list is:
>>Larry Wilson KE1HZ [email protected]
>>
>>_______________________________________________
>>Kenwood mailing list
>>[email protected]
>>http://mailman.qth.net/mailman/listinfo/kenwood
>>
>>    
>>
>
>- - -
>
>Your moderator for this list is:
>Larry Wilson KE1HZ [email protected]
>
>_______________________________________________
>Kenwood mailing list
>[email protected]
>http://mailman.qth.net/mailman/listinfo/kenwood
>
>
>  
>

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