MFJ-9020 GO PoooF * !

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From: BHOWLE@delphi.com
Date: Tue Jun 07 1994 - 20:38:49 EDT


I wonder if anyone here on the QRP list has any experience with a MFJ -
9020 rig that was hooked to the battery with the poliarty reversed?

I just did this and when I popped the cover I found a trace on the circuit
board (near L9) had been burned in two.

Whadda you guys think - install a big diode in series with the + lead on the
power jack and then bridge around the pcb board trace? Would like to hear
from anyone else who made this mistake - real names not neccessary - and
found any component damage.

I've got to get this think cookn' - I leave for the wilds of southeastern
Wisconson on a two week camping trip in about a week and a half.

All help and suggestions will be apprecieated.

                        TNX,

                                Bob - WA4ZID/QRT


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