[amsat-bb] Re: 5400

["Stacey E. Mills" <w4sm@xxxxxxxxxx>]

Vince said:

>My 13 year old Yaesu 5400 control box started acting up last night for the
>first time I've ever had a problem with it.
>
>The elevation side of the control box started acting weird. A change in
>elevation in the rotor translated to a five times that amount displayed on
>the meter. The voltage to the pot in the rotor is normal, and the
>auto-tracker can still precisely point the antennas.  I turned the control
>box off over night, and turned it on again this morning and it was back to
>normal.  Some component must not be quite right after the box warms up.
>Anyone have any experience with this?
>
>KB7ADL

The meter connections in the 5400 control box are screws through pads on 
the circuit board.
The most common cause of flaky meter readings in my experience is that one 
or both of the meter connection screws has become loose.  Try tightening 
them gently.



-- 
  ________________________________________________________________________
  Stacey E. Mills, W4SM    WWW:    http://www.cstone.net/~w4sm/ham1.html
    Charlottesville, VA     PGP key: http://www.cstone.net/~w4sm/key
  ________________________________________________________________________

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