[ICOM] Icom 706MKII osciallation issue

Larry Benko xxw0qe at comcast.net
Thu Jan 23 22:19:42 EST 2014


John,

It is usually easier/better to add a small metal contact rather than the 
spring.  I sent you pictures to you home email.  This fixed an 
instability I had with a 706mkIIg.

73,
Larry, W0QE


On 1/23/2014 3:46 PM, John Geiger wrote:
> Hi Larry,
>
> Is this the fix with adding a spring to the one circuit board?
>
> 73 John AF5CC
>
>
> On Thu, Jan 23, 2014 at 3:44 PM, Larry Benko <xxw0qe at comcast.net> wrote:
>
>> Icom service bulletin #928.  I can send you pictures if you want.
>>
>> 73,
>> Larry, W0QE
>>
>>
>>
>> On 1/23/2014 2:03 PM, John Geiger wrote:
>>
>>> I have a new to me Icom 706MKII that showed up today via FEDEX and it is
>>> acting strangly on 17 and 15 meters.  At times on CW the SWR will jump up a
>>> little bit and then go back down.  Also, I was receiving reports of
>>> distorted audio on SSB for those bands, like there was RF getting back into
>>> the mic.  Tried a 706MKII I already have with exactly the same setup and it
>>> had no problems.
>>>
>>> I remember reading about 17m/15m oscillation problems on the MKIIG.
>>>   Didn't know if it occurred on the MKII but it appears that it does.  What
>>> is the fix for this?
>>>
>>> 73 John AF5CC
>>> ----
>>> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>>> Icom Users Net: Sundays, 1700Z, 14.316 MHzJohn,

>>> Icom FAQ: http://www.qsl.net/icom/
>>> To support QSL/QTH.net: http://www.qsl.net/donate.html
>>>
>>>
>> ----
>> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> Icom FAQ: http://www.qsl.net/icom/
>> To support QSL/QTH.net: http://www.qsl.net/donate.html
>>
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
> To support QSL/QTH.net: http://www.qsl.net/donate.html
>



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