[ICOM] 756 pro III noise

[Mort Arditti]

Jim,

Do you have access to a receiver that covers 40 meters.  If yes, is the 
noise
also in the second receiver?

73,

Mort,  NA6MA


----- Original Message ----- 
From: "Jaime Gomez" <cwdx.hk1n at gmail.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Tuesday, October 12, 2010 6:08 PM
Subject: Re: [ICOM] 756 pro III noise


> Thanks, Walt, the noise is present even without anything connected to the
> antenna input.
> 73,
>
> Jim, HK1N
>
>
> On Tue, Oct 12, 2010 at 7:06 PM, Walt - WB2VSJ <wb2vsj at earthlink.net> 
> wrote:
>
>> What's it do with the rcvr  input terminated?  i.e. dummy load.  Only 
>> 40M?
>>
>> -----Original Message-----
>> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
>> On
>> Behalf Of Jaime Gomez
>> Sent: Tuesday, October 12, 2010 7:26 PM
>> To: ICOM Reflector
>> Subject: [ICOM] 756 pro III noise
>>
>> This afternoon I was testing one of the new antennas for 40 mt, all of a
>> sudden I started hearing a very strong (s9 in the meter) pulsing noise, 
>> it
>> pulses at about 15 cycles per second, after a lot of checking I found 
>> that
>> the noise is produced in the radio, it is present without any external
>> connection to it and doesn't matter which power supply connected, I 
>> tested
>> 3
>> different power supplies, the noise is definitely in the radio. I 
>> connected
>> another one and no noise.
>> Anyone who has experienced something like this? Any hints about where to
>> check?
>>
>> Appreciate any help, because it will be quite difficult to re-export it 
>> for
>> repairing and CQWW is close.....
>>
>> --
>> Jim, HK1N
>> ----
>> 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
>>
>
>
>
> -- 
> Jim, HK1N
> ----
> 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