Path: utzoo!attcan!uunet!cs.utexas.edu!mailrus!ncar!stout!cook
From: cook@stout.ucar.edu (Forrest Cook)
Newsgroups: sci.electronics
Subject: Re: Help needed troubleshooting B/W TV
Keywords: B/W TV troubleshooting panasonic
Message-ID: <5014@ncar.ucar.edu>
Date: 6 Nov 89 05:26:14 GMT
References: <107@cupcake.sal.wisc.edu>
Sender: news@ncar.ucar.edu
Reply-To: cook@stout.UCAR.EDU (Forrest Cook)
Organization: Field Observing Facility, NCAR, Boulder, CO
Lines: 19

In article <107@cupcake.sal.wisc.edu> jwp@larry.sal.wisc.edu (Jeffrey W Percival) writes:
>I have a 22-year old Panasonic TR-205 B/W TV (transistors, no tubes).
...
>Now I have more subtle problems:  mainly, a very
>grainy picture.  Very white-noisy.  Otherwise, stable (no roll, etc.).

That sounds like the first RF amp stage in the tuner is dead.
I would suggest removing the tuner and replacing the transistor that
is nearest to the antenna terminals.  Be prepared for some micro
surgery,  The parts are usually crammed in pretty tight.
One word of caution: be careful not to bend the coils or you
will detune the tuner.

Good Luck

 ^   ^  Forrest Cook - Beware of programmers who carry screwdrivers - LB
/|\ /|\ cook@stout.ucar.edu (The preceeding was all my OPINION)
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