[Amps] AL1200

[R.Measures]

On Sep 22, 2004, at 8:44 AM, Bill Turner wrote:

> On Wed, 22 Sep 2004 11:39:33 EDT, K9RT at aol.com wrote:
>
>> Have a friend with an AL1200 that recently stopped transmitting on 80 
>>  meters
>> only. Works fine, full output on all other bands.
>> He said he heard a hiss and then it stopped working on 80. I looked 
>> at the
>> bandswitch contacts and loading coil and can see no evidence of  
>> burned/arcing.
>> We tried to load it again yesterday and a nice burned odor permeated 
>> the
>> room. No output again on 80 only.
>> Any suggestions? I am leaning towards the input circuitry but he is  
>> dreading
>> shipping it back to Ameritron.
>> Any suggestions as to reputable amp service work in the midwest in the
>> vicinity of Louisville, KY? He would much rather drive a little and 
>> deliver the
>> amp rather than risk shipping this beast.
>>
>> Thanks for any help/advice and will pass it along as received.
>>
>> Dick K9RT
>
> _________________________________________________________
>
> My AL1200 stopped working on 80 because the solder joint at the tap on
> the main tank coil broke loose.  Give the wire a tug and see if it is
> still connected.  It may have broken loose but only pulled away a tiny
> bit so as to not be readily apparent.
>
Possible, but a burned smell could be a problem with an 80m padder C.
> --
> Bill W6WRT
>
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>
Richard L. Measures, AG6K, 805.386.3734.  www.somis.org