[TenTec] Centurion 422 amp keying issues

Fri Aug 17 15:44:43 EDT 2018

Actually, I think it used an open-frame relay.

73, Barry N1EU

On Fri, Aug 17, 2018 at 6:07 PM, Jim Brown <k9yc at audiosystemsgroup.com>
wrote:

> On 8/17/2018 10:22 AM, wa8wzg at wa8wzg.net wrote:
>
>> Before I dig too deep into the 81542 QSK board,, has anyone had this
>> issue,,
>> trying to save some troubleshooting time,,
>>
>
> Maybe a failing vacuum relay.  It is a wear item if you do a lot of QSK CW.
>
> 73, Jim K9YC
>
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