I just wanted to thank everyone that responded to my ALC problem. I replaced
all (5) diodes on the SWR-TR board and now the ALC light and control
potentionmeter work properly.
73 de Bill K2rig
----- Original Message -----
From: "Carter, K8VT" <k8vt@ameritech.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Friday, June 16, 2006 8:43 AM
Subject: Re: [TenTec] Omni A ALC Problem
> Bill Nicolson wrote:
>> Hi All, Well I got my Omni A on the air tonight and It seems ok
>> except the ALC doesn't work properly. If I turn the ALC down all the
>> way and bring up the drive the AlC light never comes on and I can
>> trip the current protection in the 262m power supply (>18A) ~100w on
>> 40 meters Where should I look first? Any Ideas?
>>
>> Tnx de Bill K2rig
>
> I vote for the two ALC diodes...same thing happened to my Omni D. BTW,
> at least on the D, the diode location is as follows:
>
> With the radio sitting in its normal position (front facing you) and
> with the top off, they are on a circuit board in a metal enclosure in
> the extreme left rear corner of the radio. Follow the RF output lead
> from the final amp module. It will plug into an RCA jack on the
> enclosure in question. Take the top metal cover off the enclosure (2
> screws) and the board you need will be mounted vertically on the right
> wall of the enclosure. Gently pry this board to the left to remove it.
> Check/change all diodes as necessary. It's really a fairly easy job.
>
> Good luck!
>
> 73,
> Carter K8VT
>
> P.S. Try not to trip the breakers again. You are lucky they went before
> the finals...
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