[TenTec] 160 Meter Problem

[Bob McGraw - K4TAX]

I keep anywhere from 6 to 12 of these relays in my parts bin.  It is most 
common for the relay coil to open.



73
Bob, K4TAX




----- Original Message ----- 
From: "Jim Brown" <k9yc at audiosystemsgroup.com>
To: <tentec at contesting.com>
Sent: Monday, August 18, 2014 1:28 PM
Subject: Re: [TenTec] 160 Meter Problem


> On Mon,8/18/2014 11:14 AM, Jim Allen wrote:
>> I removed the covers top and bottom but find no 81595 mixer board.  I did
>> find what appears to be connector 82 on the logic board and did "remove 
>> and
>> plug [it] back in" with great trepidation.
>
> Why trepidation?  It's common for connector contacts to oxidize or become 
> loose over the years. Disconnecting and reconnecting one or more times 
> simply scrapes a bit of the oxidation off. Just be careful to remove and 
> re-connect them without bending contacts, and lined up correctly (not one 
> row off, for example).  And do this for ALL the connectors.
>
> Another thing I would try is to back off the power a lot (5-10W) and see 
> if you get anything out. If the SWR is very high at the rig, the TX may go 
> into protect mode, especially at full power.
>
>> I think this may be a job for Sevierville.
>
> Why?  It's probably one of the first things the guy on the bench is going 
> to do, and I'll bet that you work a lot cheaper than he does, especially 
> by the time Paul Clinton is done with you. If these simple things don't 
> fix it, THEN send it to them.
>
> 73, Jim K9YC
>
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>