[Amps] ALL 811H hanging relay

Dave’s k2dp at charter.net
Sat Aug 8 19:22:33 EDT 2020


Hi Tom,

Before you tear everything apart, pull the tubes and turn on the amp. If the relay behaves correctly and you have normal signal strength received signals, you most likely have a shorted 811A tube. This is a very common symptom.

73,
Dave, K2DP, St. Louis, MO

Sent from my iPad

> On Aug 8, 2020, at 3:57 PM, Tom Osborne Sr. <w7why1 at gmail.com> wrote:
> 
> Hi Again.
> 
> My AL-811H antenna relay is acting up.  When it goes back to receive
> sometimes it is not making contact and receive is way down.  I thought I
> would take the case off and clean the contacts on the relay.
> 
> To my surprise, the relays are not open frame where you can get at them.
> 
> So - I guess the only solution would be to pull the board and unsolder the
> relays??  Not looking forward to having to do that   73
> Tom W7WHY
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