Pete:
Glad I was able to help!
Donnie / WA9TGT
Sent from my iPhone
On Feb 11, 2013, at 7:20 PM, "N6QW" <n6qw@jessystems.com> wrote:
> Hi Donnie,
>
> Yep that was the problem --all is well now.
>
> Thanks for your email and suggestion.
>
> 73's
> Pete N6QW
>
> --------------------------------------------------
> From: "Donnie Garrett" <cfzepp@gmail.com>
> Sent: Sunday, February 10, 2013 10:26 AM
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Subject: Re: [TenTec] ALC circuit on the Corsair I
>
>> Pete:
>> Did you first check for damaged diodes D1 & D2 on the SWR board? That may be
>> your ALC problem.
>>
>> Donnie / WA9TGT
>>
>> Sent from my iPhone
>>
>> On Feb 9, 2013, at 1:25 PM, Mike Bryce <prosolar@sssnet.com> wrote:
>>
>>> Pete,
>>>
>>> did you follow the adjustment procedure in the manual?
>>>
>>> the ALC is set by both the front panel control and ALC trimmer on the
>>> LLdriver.
>>>
>>> Mike
>>>
>>>
>>>
>>> On Feb 8, 2013, at 8:44 PM, N6QW wrote:
>>>
>>>> Looking for someone who knows and understands the innards and outards of
>>>> the TT Corsair I ALC circuit.
>>>>
>>>> On the Corsair I, I am refurbishing, The ALC controls do not seem to
>>>> function. At first I thought it might be a circuit problem with the ALC
>>>> circuit devices and replaced all of them. Same issue. The ALC barely
>>>> lights when you adjust R11 and R15 has no effect at reducing the power. I
>>>> temporarily put an LED on the ALC board connector as can get that to
>>>> dim.brighten with an adjustment of the panel mounted ALC control but not
>>>> as it should as that is for very low power levels as controlled by the
>>>> Drive control --and the panel LED is really dim.
>>>>
>>>> At low power levels the temporary LED will come on when you key the MIC
>>>> but dims on voice peaks which is the reverse of what it should do. I
>>>> measured the voltages on all of the devices Q4-Q9 and the values are close
>>>> to what the TT manual says they should be -- so nothing there.
>>>>
>>>> Any one have any suggestions or clues on how to fix the ALC. Rather than
>>>> clog up the reflector please reply directly to radioguy90@hotmail.com
>>>>
>>>> 73's
>>>> Pete N6QW
>>>> _______________________________________________
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>>>> http://lists.contesting.com/mailman/listinfo/tentec
>>>
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