[R-390] R-390 POWER SUPPLY

[CLARENCE LOZANO]

THANKS DAN FOR ALL THE HELP .I WILL GIVE RAIR RADIO A CALL AND SEE WHAT THEY 
HAVE FOR MY R-390
----- Original Message ----- 
From: "Dan Merz" <djmerz at 3-cities.com>
To: "'CLARENCE LOZANO'" <JEEPER at netins.net>; <r-390 at mailman.qth.net>
Sent: Monday, May 30, 2005 8:38 PM
Subject: RE: [R-390] R-390 POWER SUPPLY


> Clearance,  not that is of great importance at this point,  but is this a
> 390 or a 390a?  Without knowing much more,  I would venture this is the
> transformer or one of the two chokes making this noise.  Others on the
> reflector may have other ideas.  You can buy a replacement power supply 
> from
> Fair Radio for $25 (without tubes, but presumably good otherwise) for the
> 390a,  and it could be a complete replacement or used for parts but you'd
> have to identify the specific part before swapping.  Since your plug-in 
> caps
> and tubes are presumably ok,  you could just swap those into the Fair 
> supply
> and see if that does the trick.  Much cheaper than shipping the radio for
> repair and the power supply is pretty easy to swap out.    I don't know of 
> a
> source for the 390 power supply if that is the radio you have but Fair may
> have specific parts for the 390 if you can identify which one you need,
> maybe by feeling for the part that is vibrating.  By the way if you want 
> the
> general population on the reflector to see suggestions/responses from you,
> you should "Reply to all" rather than just "Reply",  your choice.  Best
> regards,  Dan.
>
> -----Original Message-----
> From: CLARENCE LOZANO [mailto:JEEPER at netins.net]
> Sent: Monday, May 30, 2005 12:27 PM
> To: Dan Merz
> Subject: Re: [R-390] R-390 POWER SUPPLY
>
> ALSO DAN,I AM NOT BLOWING FUSES,WHEN VOLUME IS TURNED ALL THE WAY DOWN -I
> STILL HAVE THE HUM COMING FROM POWER SUPPLY
> ----- Original Message -----
> From: "Dan Merz" <djmerz at 3-cities.com>
> To: "'CLARENCE LOZANO'" <JEEPER at netins.net>; <r-390 at mailman.qth.net>
> Sent: Monday, May 30, 2005 11:15 AM
> Subject: RE: [R-390] R-390 POWER SUPPLY
>
>
>> Clarence, hi.  Is this sound coming thru the speaker or is it a
>> vibration coming directly from the supply transformer and apparent
>> with the volume turned completely down?  From your description, "not
>> ac sound",  I take that to mean that it's not  ac line hum coming out
>> the speaker,  which is generally fixable by capacitor replacement.
>> Are you blowing fuses?  Dan.
>>
>> -----Original Message-----
>> From: r-390-bounces at mailman.qth.net
>> [mailto:r-390-bounces at mailman.qth.net]
>> On Behalf Of CLARENCE LOZANO
>> Sent: Monday, May 30, 2005 8:00 AM
>> To: r-390 at mailman.qth.net
>> Subject: [R-390] R-390 POWER SUPPLY
>>
>> HELLO,I HAVE A R-390 POWER SUPPLY MAKES A HUMMING SOUND-NOT AC SOUND
>> ,IS THE POWER SUPPLY REPAIRABLE WITH THIS TYPE OF PROBLEM?
>> _____________________________________________________________
>> R-390 mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/r-390
>> Help: http://mailman.qth.net/faq.htm
>> Post: mailto:R-390 at mailman.qth.net
>> Unsubscribe: http://mailman.qth.net/mailman/options/r-390
>>
>>
>>
>>
>
>
>
>
>