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Re: [Smartuners] SG-237 dead

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  • Dom Bragge
    Just a FYI: This tuner works again. It was simply a short at the RF connector in the coax. I couldn t see the forest for the trees. I need to remember to keep
    Message 1 of 7 , Dec 3, 2006
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      Just a FYI:
      This tuner works again. It was simply a short at the
      RF connector in the coax. I couldn't see the forest
      for the trees. I need to remember to keep breaking
      each job in half until I isolate the problem, not jump
      to difficult possibilities. :-)

      --- Dom Bragge <dom_suz@...> wrote:
      > Short version: Does anyone have a parts list for the
      > SG-237? I need to know what sort of diodes D1-D4, D8
      > are.
      >
      >
      > Long version:
      > I borrowed a whip/mount & SG-237 to use with my 100W
      > HF radio in the outback of Australia for a few days.
      > Halfway through the trip the "system" died.
      >
      > Radio has been checked & works.
      > I have tuner open on the bench. 5 Leds flash at
      > power
      > on. There is no smell nor obvious burn marks.
      > Half the relays click in as well at power on.
      > Nothing
      > more happens from that time. No response to RF
      > (evidenced by LEDs DS10 & DS8 not illuminating).
      > Any other suggestions of things to check
      > appreciated.
      >
      > Maybe I persisted trying to tune a freq that the
      > tuner/aerial couldn't handle?!?
      >
      > --
      > dom


      --
      dom



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