Filter / relay board looked good, as did CPU board. Didn’t check bottom of finals / driver board. No telltale burned component(s) I could locate. Opened it up today, examined all the boards. I wasn’t sure it was the 706, but stopped transmitting nonetheless. After reading to do a hard reset, I did so and the transmit came back OK, but now the audio was badly modulated – both in HF and VHF/UHF.Īdding a PL tone won’t bring up a repeater.įWIW, about a year+ ago, I recall smelling a burning component smell during XMIT of the 706. Can hear modulation via the mic, just not at all clean.īefore this, the radio had stopped transmitting at all on 2m/70cm but seemed fine on HF. Transmit audio is horribly modulated, all modes (tried FM, AM, SSB). ◄- Amateur Radio Frequency Allocations and Band Plans - 706: New Setup -► Building and connecting circuits, and performing adjustments or modifications, may damage your radio, void your warranty, and/or cause it to operate in violation of FCC rules and Type Acceptance, etc, unless you are very careful. Comments about 'parts wanted' will be deleted.ĭisclaimer: The author assumes absolutely no responsibility, under any circumstances, for what the reader may do with this information. Please go to ebay, eham, qrz, etc, classifieds to look for parts. I am not a radio technician! If your radio is broken, and you've done all the usual checks, you need to find an Icom service tech. People keep asking me how to fix their 706. They are fully attributed and I make no claims upon them. These articles contains several schematics and kits designed by others. All KV5R articles are copyrighted and may NOT be reproduced in any other web site, but may be printed for personal and non-profit use, such as Ham clubs and classrooms, provided that links and attributions remain intact. This series of articles is a handy compilation of most of the mods and stuff I have developed or found on the web for the 706MkIIG, plus a chronicle of the little accessory kits that I have built to enhance my enjoyment of the 706.Ģ011 Notice: These pages have been divided into several pages for easier searching and linking to specific topics. They are reasonably easy to expand, calibrate, and connect to a computer.

You can add the remote kit and put the control head and the radio body where ever you want them. Dough Types, Procedures, and PropertiesĪh, the li’l 706: What can I say? I like it! It performs like big radio, but it’s small.How to Become an Amateur Radio Operator.706: Computer Control and Soundcard Interface.Amateur Radio Frequency Allocations and Band Plans.

Ic 706 service manual