[CQ-Contest] TS940S trouble

[Bob Mattaliano]

Wim,

Here is an easier suggestion to try first.  Unplug all of the connectors on
the PLL and LOGIC boards, and re-seat them.

The symptoms you describe are a known problem, often associated with poor
connections on these boards.

73,

Bob Mattaliano
n6rfm at charter.net
http://webpages.charter.net/n6rfm

----- Original Message -----
From: "Bob Wolbert" <k6xx at juno.com>
To: <sp5ddj at wa.home.pl>
Cc: <cq-contest at contesting.com>
Sent: Thursday, August 09, 2001 22:08
Subject: Re: [CQ-Contest] TS940S trouble


>
> Wim,
>
> When the display on the TS-940 shows all dots, it is telling you the PLL
> has become unlocked. Probably one of the inductor cores on the PLL board
> must be adjusted.
>
> I recommend performing the PLL alignment described in the service manual.
>
> 73 de Bob, K6XX
>
> On Thu, 9 Aug 2001 18:19:35 +0200 "SP5DDJ" <sp5ddj at wa.home.pl> writes:
> >
> > Hi everyone !
> >
> > Just assembled my radioshack again after flat renovation, and the
> > first
> > thing I did was switching my TS-940S on. Everything was fine until
> > sudden
> > breakdown which mute receiver and digital redout showed dots instead
> > of
> > frequency. Could anyone help?
> > The rig is 12 years old and so far worked perfectly.
> > Attempting reset resulted nothing. After switching off and on after
> > some
> > minutes later  trx worked normally for another couple of minutes
> > then died
> > again.
> >
> > Any advice is much appreciated.
> >
> > 73'ss
> >
> > Wim
>
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