[R-390] Reduced 500-1000KHz sensitivity

[Barry Williams]

Huh???


> Hi Guys,
>
> I see that in this document the references have Roman Numerals. If there is
> no compelling reason why they are used I suggest we use Arabic. Few people
> today feel comfortable reading Roman Numerals, besides they take up a lot of
> space.
>
> Perry
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
> On Behalf Of Joe Foley
> Sent: Wednesday, March 16, 2011 6:59 PM
> To: r-390 at mailman.qth.net
> Subject: Re: [R-390] Reduced 500-1000KHz sensitivity
>
> The quickest thing to check is to see that the slug racks are not hanging up
> and that the cam followers are in fact following the cams tightly.  there
> could be crud built up on the cams or rollers.  Also, check that all of the
> springs are attached to the slug racks.  Check the slides for lumps of crud,
> etc.
>
> Clean, clean, clean, oil.
>
> Joe
>
>
>
>
> --- On Tue, 3/15/11, Ian Gallimore<iangallimore at rogers.com>  wrote:
>
>> From: Ian Gallimore<iangallimore at rogers.com>
>> Subject: [R-390] Reduced 500-1000KHz sensitivity
>> To: "R-390A Group"<r-390 at mailman.qth.net>
>> Date: Tuesday, March 15, 2011, 11:05 PM
>> Hi, group,
>>
>> My 390A was purchased from Fair five or six years ago.
>> I've recently noticed a significant decrease in sensitivity
>> in the 500-1000KHz band. Other bands appear to be OK. Just
>> before this occurred, I noticed that the sensitivity could
>> be dramatically increased by turning the MHz knob a little
>> toward the 01 setting and back, but this no longer helps.
>> Has anyone else noticed this?
>> Any suggestions gratefully received.
>>
>> 73
>>
>> Ian VA3ODA