[ICOM] ICOM-R7000

[Tony Hwang]

Edward A. Feustel wrote:
> On 6/15/2013 11:05 PM, Floyd Petri wrote:
>> I have an icom R7000 Receiver that started out with bad sensitivity 
>> and now
>> it does not hardly receive on any frequency except on local good time 
>> radio
>> stations just fine. I can dial up my local volunteer fire department VHF
>> frequency of 155.865 and receive nothing although a walkie talkie 
>> setting
>> beside it receives OK. Now I can put a signal generator on 155.865 
>> and put a
>> piece of wire on the output and crank the signal up to 100K 
>> microvolts and
>> receive that just fine.
>>
>>
>> Does anyone have any suggestions on what may be wrong and how to fix it?
>>
>>
>> Floyd
>>
>>
>
Hi,
Very first thing I'd do is checking the Vcc lines in Front end stages 
paying attention to bypass electrolytic caps
along it.
73 es GL,
Tony, VE6CGX