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MFJ-259B

88_bandit

88_bandit

Active Member
Dec 13, 2009
24
3
33
Yeah I recently acquired this antenna analyzer From a friend of mine and he said it worked fine until he wired up the power cord backwards and plugged it in! It was the right voltage just the wrong polarity. It will not power on now not that I’m surprised just want to find out what all I need to do to repair it may be a simple polarity protection diode? Any help would be greatly appreciated
 

At this point may as well have a look around that area where the power first comes in. Something like this happened when the wrong power cord was used on a Sega CD attachment. Wish I was more knowledgeable as a kid so I could of had a fighting chance to save it.

Hoping something is visible that may of failed.
 

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  • @ BJ radionut:
    +1
  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.


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