[ICOM] IC-781 problem

Hsu hsu4qro at gmail.com
Sat Jul 2 23:04:29 EDT 2011


Thanks Steve!
  It is correct! Sorry for my bad English!
     My 781 seems have noise input from antenna, but I had shorted the antenna.But the receiver seems are OK.I seldom use 781,main TRX is IC-765,When I  operated 781  last week, I found this problem.
 
                 73!Hsu
----- Original Message ----- 
From: "Steve" <aaaaaazcdf23 at hotmail.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Sunday, July 03, 2011 10:33 AM
Subject: Re: [ICOM] IC-781 problem


>I think it means he sees a thorn shaped waveform in the spectrum 
> scope display even with a shorted antenna input.
> This tells me something in the scope circuit has an issue but I do 
> not have an answer on how to fix.
> 
> This is how I read the OP's post anyway!
> 
> 
> 
> At 09:27 PM 7/2/2011, you wrote:
>>HUH?
>>
>>On Sat, Jul 2, 2011 at 4:22 PM, Hsu <hsu4qro at gmail.com> wrote:
>>
>> > I use an IC781 for abt 3 years, I found it have a problem,there are some
>> > "thorn" the bottom  of spectrum scope,even I shorted the antenna to ground.
>> >   Any suggestion? Thanks in advance!
>> >      73!Hsu
>> >
>> > ----
>> > Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
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>>
>>


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