[Kenwood] Trouble on 10m on the TS-870S

[Rob Atkinson]

I also have one of the last TS870Ss and I added the SO2 and experienced 
the same PLL unlock on 10 m.  In my case there was a middle part of 10 
where the PLL unlocked; above and below that the rig was okay.  I can't 
remember exactly how wide it was but I think it was around 400 KHz.  I 
was getting ready to send it back to Burghardt while it was still under 
warranty when the problem went away on its own.   But being mostly a 
low bander, I get on 10 about once every 5 years, so I have to admit 
that the problem may very well have come back and I don't even know it.

rob / k5uj



On Wednesday, May 24, 2006, at 07:41 PM, Alan Wolke wrote:

> Cyrus,
>
> This is a PLL problem, where the PLL is unlocking.  There's a TSB that 
> describes how to fix this problem, when it occurs in conjunction with 
> the installation of the SO-2.  Maybe the re-alignment procedure it 
> outlines might help in your case.
>
>
>
> Cyrus Turner wrote:
>
>> I have a TS-870 that is one of the last produced a 603xxxxx ser # and 
>> it has developed a problem on part of the 10m band. Once I get above 
>> 28405 the display flashes a warning of ERR  FE while sending the  
>> warning beeps. Is this a DSP or PLL problem? I have done both a 
>> partial as well as a full reset with no change. Any Ideas on this?
>>
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