[Elecraft] ERR PL1

[Dr. Detlef Petrausch]

Hi Evert,

I had the same problem and fixed it by instructions from Gary.
I wrote you off list, because I don't know if pdf-files are accepted by 
the list.

73 Detlef, DL7NDF


Evert Bakker (PA2KW) schrieb:
> Hello,
>
>  
>
> As temperature rises (in the shack), FP (34 degC) does,  and a problem
> popped up; ERR PL1.
>
>  
>
> I did check the PLL voltage. PLL1 = 7.5 (which seems to be the limit I
> guess), PLL2 = 3.5 (Sub-RX) at 28 Mc and FP 34 degC
>
>  
>
> When FP was 22 degC: PLL1 = 3.8 and PLL2 = 3.4.
>
>  
>
> After recalibration of the VCO, is gives E00272 / ERR VCO. 28Mc not useable
> anymore and an unstable PLL1 Voltage. Even 24 Mc needs about a second to
> give a go-ahead. 
>
>  
>
> I did open the K3 as to check connections of all the coaxial
> interconnection. No effect (after warming up again).
>
>  
>
> It looks like PLL1 is very unstable in relation to the FP temperature and
> PLL2 much less.
>
>  
>
> I do have a second K3 and see PLL1 at 7.3 on 28Mc (coming anxiously close to
> 7.5).
>
>  
>
> Anyone a clue where to look or what to do?
>
>  
>
> 73's, Evert PA2KW
>
>  
>
>  
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>