Re: Re: Flashing LCD

"Bob Parnass, AJ9S" <[email protected]>
Newsgroups gmane.recreation.radio.hardware.yaesu.vr-500
Message-ID <[email protected]>
Before you send your VR-500 to Yaesu for repair, step through each memory 
channel to see if one or more of them contains a corrupt frequency.    

You could perform a full reset to clear all memory channels, but you would
have to reprogram all of them.

On Tuesday 04 July 2006 18:34, Aaron Rockwell wrote:
> Dang. I don't have the skills nor the tools to re-align the scanner
> if that is what needs to happen. Could or should I take it to some
> type of shop that might fix it -- any suggestions on who I should
> look for?
>
> --- In [email protected], "Bob Parnass, AJ9S" <yahoo@...> wrote:
> > On Tuesday 04 July 2006 00:39, Mike wrote:
> > >  Mine has the flashing problem only
> > > when I try to scan user-programmed memories.
> >
> > A flashing display is often employed
> > by radio designers to indicate to the user that the frequency
>
> synthesizer's
>
> > phase locked loop (PLL) has become unlocked.   The PLL
> > needs to remain locked to work properly.
> >
> > One or more of the memory channels in your radio may contain a
>
> frequency
>
> > which causes the VR-500's synthesizer to become unlocked.
> > That could be due to one of these reasons:
> >
> > 1) the memory channel contents have become corrupted and it
>
> contains
>
> > an out-of-range frequency
> >
> > 2) the VR-500 requires realignment
> >
> > 3) one or more of the VR-500's synthesizer components has
>
> developed a
>
> > defect and the phase locked loop can no longer maintain lock over
>
> the
>
> > range of frequencies for which it was designed.
> > --
>
> =====================================================================
> ====
>
> > Bob Parnass, AJ9S             GNU/Linux User
>
> http://parnass.com
>
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-- 
=========================================================================
Bob Parnass, AJ9S             GNU/Linux User           http://parnass.com


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