[ICOM] IC761 problem

[Gary Fiber]

Check the -5 volts coming from the display board. There is a power 
supply on the display board that will cause this.

Gay K8IZ

On 8/17/2010 10:09 AM, Robert Brucker wrote:
> Does your frequency display read  dashes  and/or the S meter read half scale? Robert W6LFO
>
> On Aug 12, 2010, at 10:35 PM, zl3kr wrote:
>
>    
>> Many thanks for the replies... now I do have a workshop Manual for the IC761
>> and I have previously replaced the trimmers with ceramic ones.
>> My first thought was that I had disturbed something when moving the
>> power supply
>> in and out while repairing, but I cannot see any plugs or wires disturbed.
>> It seems strange that the trimmers  might go out of tune when they were
>> working perfectly
>> before the power supply problem.
>> It is the same on all bands that I have tried as well, so not limited to
>> just the one frequency range
>> which I guess makes the problem more difficult rather than less  lol.
>> But it does sound like a PLL problem, however I wasnt sure if the PLL
>> oscillators were involved in
>> running the digital read out as well, as that seems to be working perfectly.
>>
>> Alan ZL3KR
>>
>> ----
>> 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
>
>    


-- 
Gary Fiber K8IZ
Washington State Resident