[Kenwood] TS-50 Problem

Mon, 14 Jan 2002 09:13:06 -0600

Resolder the resistor packs on the DDS boards.

Clif Holland, KA5IPF
AVVid
Authorized Kenwood and Icom Amateur Service
www.avvid.com
1-800-214-5779

----- Original Message -----
From: "Rick Markey, KN3C" <[email protected]>
To: <[email protected]>
Sent: Monday, January 14, 2002 5:13 AM
Subject: [Kenwood] TS-50 Problem

> I've run into an odd problem with my TS-50 that perhaps someone has seen
> before.
>
> Without warning, the received signal will become noisy and garbled, as if
> one of the PLL's unlocked.  Moving the VFO as little as 5 KHz stops the
> problem.  And, the problem seems to occur only on certain frequencies.  I
> do have the problem on 14300, but if I move up to 14305 it stops.  And as
> near as I can tell, it happens on all bands.  It has done it once on
> transmit, after which I removed it from the car and put it on the bench.
>
> So far, I can't find anything wrong with any of the VCO's.  A slight
> pressure on the PLL board in the vicinity of the 55 MHz test point will
> stop the problem.  I've had the board out a number of times looking for
bad
> solder joints, and all the mounting screws are tight.  Part of the PLL
> board is impossible to get at because the Digital board  covers a
> substantial portion of the board.
>
> If anyone has seen this before I'd appreciate a hint or poke in the right
> direction.
>
>
> de Rick, KN3C
> - - -
>
> Your moderator for this list is:
> Larry Wilson KE1HZ [email protected]
>
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