[RTTY] Kenwood IF filters ???

[James Colville]

Well that is most likely the injection oscillators are not aligned properly.
Looks like you need a service manual to set them. Icom had lots of issues
with small trimmer caps in the 751 and 765 series rigs. The caps drifted and
eventually failed.

73
Jim W7RY



On Fri, Feb 26, 2010 at 5:50 AM, Dave Greig <daven3buo at att.net> wrote:

> James,
> I use the if shift to adjust the tones so the are in the filters band pass.
>
> Dave Greig
> N3BUO
> Retail Manager
> http://www.philoshopia.com
> http://www.opticsbestbuy.com
> http://www.binocularsbestbuy.com
> http://www.scopesbestbuy.com
> http://www.redsoldier.com
> 866-759-9523 x108
>
>
>   On Fri, Feb 26, 2010 at 7:03 AM, James Colville <jimw7ry at gmail.com>wrote:
>
>>  Most likely alignment. Could be a bad filter too.
>>
>> 73 jim w7ry
>>
>> On Feb 25, 2010 9:35 PM, "Julio - VE3FH" <ve3fh at bell.net> wrote:
>>
>> I have a TS-940S with just an INRAD 400Hz filter #103 in the 8.83MHz IF.
>>
>> I do have a Kenwood YG-455CN-1 250Hz for the 455kHz IF which I tried it
>> once
>> and I completely loose one of the tones (not sure which one though)...
>> could
>> the filter be bad or is the radio in need of realignment?
>>
>> 73,
>> Julio VE3FH
>>
>>
>> ----- Original Message -----
>> From: "WS7I" <ws7i at ewarg.org>
>> To: "RTTY" <rtty at contesting.com>; "Tom ...
>>
>> > I have used stacked 250 Hz filters for over 20 years in RTTY contesting
>>    and they just simply work....
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>
>