[TechAssist] Re: SONY TV VERTICAL NOT FULL
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 8 Jan 2002 20:04:09 -0500
Sounds like a full undistorted picture with top and bottom not meeting the
top and bottom of the tube.
I suspect that this tv may have a low + and - split power supply, but alas
no schematics to help.
Damon Brunger
damon101@xxxxxxxxxxxxxx
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Dennis Viereck" <wa6ati@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 07, 2002 2:27 PM
Subject: [TechAssist] Re: SONY TV VERTICAL NOT FULL
>
> Is the picture compressed at the top and bottom or cut off at top and
bottom?
> Dennis
>
> VRM wrote:
>
> > Hello;
> >
> > It is JUST the TOP and DOWN. I have good signal RECEPTION. The IMAGES
are
> > complete, i.e FULL image displayed, BUT my problem is TOP and DOWN
picture
> > shortage.
> >
> > Thanks
> >
> > ----- Original Message -----
> > From: "al m" <ampm@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, January 07, 2002 5:48 PM
> > Subject: [TechAssist] Re: SONY TV VERTICAL NOT FULL
> >
> > >
> > > are you saying the whole picture is small or just the top and bottom
> > > al marquardt
> > > ampm@xxxxxxx
> > > ----- Original Message -----
> > > From: "VRM" <vrmsys@xxxxxxxxxxxx>
> > > To: <Techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, January 07, 2002 10:47 AM
> > > Subject: [TechAssist] SONY TV VERTICAL NOT FULL
> > >
> > >
> > > > Hello;
> > > >
> > > > I will be very pleased if someone can help me repair this SONY TV
with a
> > > vertical deflection Problem.
> > > >
> > > > The SET is a SONY 29 inch with MODEL number KV-29MF1, which powers
up
> > > well, but having a vertical deflection (Picture) covering/centered
around
> > > 80% of the screen. The SET has a vertical deflection booster IC
TDA9379,
> > > which I suspected to be faulty and changed it, in addition to all
> > > electrolytic capacitors located in the vertical deflection section -
i.e.
> > a
> > > valuable suggestion from response from a TECH ASSIST reply.
> > > >
> > > > The fault is still not repaired, aside that, the Vertical IC warms
up
> > > INCREASINGLY at power up. Actaully I don't have a schematic diagram
for
> > this
> > > SET.
> > > >
> > > > Would someone be willing to provide suggestions or ideas as to what
next
> > I
> > > can touch to help solve this problem.
> > > >
> > > > WISHING YOU ALL the BEST OF the SEASON - Thanks a lot.
> > > >
> > > > Viktoria
> > > >
> > > > ------------------------------------------
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> > > >
> > > >
> > >
> > >
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