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Re: Lightning Hit on G5400B Help needed



Grant Zehr wrote:

>In 2000 I had a similar "hit" on my G5400 rotors.  I wound up replacing:
>
>1.   The position pot in the AZ rotor.  It arced over...later I found the
>open in the pot winding and patched it with solder...works ok
>
>2.   The 7806 voltage regulator
>
>3.   The 10k az and el trimmer pots on the back panel.  I replaced all
>four...they looked fine, but were "flaky" and the FODtrack driver couldn't
>cope with the glitchy behavior.
>
>Hope this helps...good luck!
>
>Grant Zehr AA9LC
>----- Original Message ----- 
>From: "Bruce Nolte N3LSY" <brucenol@abs.net>
>To: <amsat-bb@AMSAT.Org>
>Sent: Wednesday, August 20, 2003 2:47 PM
>Subject: [amsat-bb] Lightning Hit on G5400B Help needed
>
>
>  
>
>>I took a lightning hit Saturday night, and one of the casualties was
>>the controller on my G5400B, among other things, but one problem at a
>>time. The rotor itself is still functional, I can turn the rotors with
>>the controls,  but the metering is not working on either rotor. I could
>>use a schematic to help troubleshoot the control box. Looks like I have
>>continuity across the rotor pots, and don't see any obvious damage on
>>the circuit board
>>    
>>
>
>
>
>  
>
Thanks, looks like the 7806 is bad, and so I will see if Radio Shack has 
what I need, or else put in an order to Mouser.

----
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