[Kenwood] Re Passband Balance

Joe nss at mwt.net
Sun Apr 7 17:49:03 EDT 2013


Really?

Wow this kinda sucks,

In my old Drake TR-4, it had a similar problem, But at the right rear of 
the chassis was a ceramic like cap that a simple movement would do this 
balancing out.

Bummer!

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 4/7/2013 4:36 PM, Fern wrote:
> Well Joe, you will have to make sure that the carrier oscillators (usb 
> & lsb)are on frequency but that requires good test equipment which you 
> may or may not have. The other thing that is possible is that the ssb 
> crystal filter may not be symmetrical which will create a similar 
> effect. So if you have either a service monitor or a good frequency 
> counter that will give you 10 hz resolution, you could check both the 
> usb and lsb oscillators and see if they are in the ball park.
> 73 from Fern   VE7GZ
>
> ----- Original Message ----- From: "Joe" <nss at mwt.net>
> To: <kenwood at mailman.qth.net>
> Sent: Sunday, April 07, 2013 1:27 PM
> Subject: [Kenwood] Passband Balance
>
>
>> I have a TS-430S
>>
>> This has been a minor problem the whole time I've owned this rig 
>> (bought used)
>> The Passbands are not balanced.
>>
>> There is a definate tonal difference between the upper and lower 
>> sidebands. when switching between USB and LSB you can hear a sure 
>> difference in the hisssssss.
>>
>> it was ninor. but i just now installed a narrow CW filter and this 
>> problem seems to be more noticeable now.
>>
>> I know this has to be adjustable.  but anyone know where?
>>
>> Joe WB9SBD
>> -- 
>> Sig
>> The Original Rolling Ball Clock
>> Idle Tyme
>> Idle-Tyme.com
>> http://www.idle-tyme.com
>> _ 
>
>
>



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