[Amps] Drake L7 issue

Mike A mikea at mikea.ath.cx
Thu Sep 25 14:58:21 EDT 2014


On Thu, Sep 25, 2014 at 02:54:05PM -0400, Joseph Loverti wrote:
> All, 
> 
> I just finished up my 220VAC run to the shack and fired up the L-7. Upon
> startup, the panel lights seemed dimmer than they usually are. Even the fan
> seems like it's running slow and weak. Upon trying to check the amp for
> operation, I notice that I'm getting very weak output (no even 20 watts)
> into my dry dummy load. I've tried several different bands but get the same
> results. I have triple checked all my connections and everything seems
> correct. The amp was operating just fine for the past several years at my
> old QTH. I've just noticed this problem after my move. Could it be that I'm
> not getting HV? Could I have a faulty breaker in the box? Any ideas on where
> to begin trouble shooting would be appreciated.

Time to measure the voltage at the wall socket, or at the input to the
transformer, under load. This is a new 220VAC run to the shack; it is the
first suspect.

-- 
Mike Andrews, W5EGO
mikea at mikea.ath.cx
Tired old sysadmin 


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