706: Links

© 2003-2011 by Harold Melton, KV5R. All Rights Reserved. Rev.06/11/05

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Icom 706MkIIG - Links to Other Great ’706 Places

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10 thoughts on “706: Links
  1. My ‘706 mk2 seems deaf on 2 meters. Is there an alignment I can follow to wake the rig up?


  2. I have had my 706MKIIG for several years running CW in the mobile. It was been on the shelf for about 4 years in retirement. Thanks to your informative website, it’s time to put it back on the air. Your tips are a great refresher for an old mind. I especially like your remedy for making cables by buying and cutting in half and not having to solder or crimp connectors. We are almost neighbors. 73 and keep up the great work.

    • Hey neighbor! You didn’t leave a callsign.. I’m thinking about getting back on the air too… Might buy a 7100 — many new features to play with (all that digital stuff) and write some new web pages about.
      73 & WB, –KV5R

  3. I have a Japanese model MkIIGM which is made for the domestic japanese regulations restricting power output on mobile transceivers. The difference between MkIIGM ands MkIIG is only for the 1.9-50mhz range were the M model Tx power range for SSB/CW/RTTY/FM is 2.5-50W , and for AM is 1-20W (vs for the standard G model is 5-100W and 2-40W respectively). For all other frequencies, both models have the same TX power output, and for all functions both models are absolutely identical. Is there a simple modification to remove the power restrictions on the M model? Any help much appreciated. Adam

    • Mine is MK2 S Version(Only 10 watt) in Japan..i have to buy Power amp for it…no wonder i go it cheap..i mamaged to setup FT8 but still cant make contact. I suspect my antenna is high SWR. Inverted dipole 40M band..so it should around 11.0m++ on each side righht?

      • 10 meters per side, for 7.1 MHz.
        9.975 for 7.15
        142.64/f ~= meters, half-wave in wire.
        But the height, and angle of the V, affects it some, so use the swr meter in the radio for final tuning.
        11 meters per side comes out to 6.48 MHz, way too low.

  4. Thanks for the great information! I am a new Technician class and new owner of a used Icom 706MKIIG. My question is how might I functions-test the radio to make sure it is working correctly?

    I have been unable to get any decent voice clarity on a HF band. I can get the California 14.100 CW beacon, though it’s fuzzy, but can almost never hear any voice. I want to know if it’s a problem with the radio or other factors. It is clear as a bell on all VHF/UHF stations I’ve tried, plays broadcast FM and AM stations flawlessly, so I don’t think it’s the radio itself. Given it is computer-based I would think if the radio had a problem on one band, it would have issues on AM broadcast as well. It has no filters and I plan on trying the FL-223. My 20-meter dipole antenna is admittedly low (about 15 feet off the ground) and my house does not have especially good line of sight to the horizon due to trees and other buildings. It might also be that propagation is just very poor at the times I am checking.

    What are your suggestions?

    Thank you, Dan.

    • Well, I really don’t know what to suggest, but your 706 shouldn’t be “fuzzy” on any band.. Might be a filter board or PLL problem. I’m not a radio tech.

  5. Thank you very much for the help given to new 706 users. Your help to me as a newb was neccesary and will prevent me annoying others by ‘trial and error’ basic operation.

    Well written!

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