[TechAssist] Re: magnovox ts2575 25f800 chassis

If the vertical is missing it will shut down. If there
is a bad vertical signal out of the A/V processor
change that. I have had several bad in this way.
Lewis
--- al m <ampm@xxxxxxx> wrote:
> 
> won't start . degause relay clicks one then a couple
> seconds later 5 or six
> more times. have momentary horizontal and vertical,
> but the vertical  pulse
> is missing on the micro. it comes off pin 6 of
> vertical ic, goes thru what
> parst list says is a 33v zener then to a transistor.
> the puls is only 10
> volts so i don't think it's going to get to the
> micro. don't know if that's
> the problem or if the regulator is the problem.the
> pulse would probably be
> bigger if the right voltage was there.
> al marquardt
> ampm@xxxxxxx
> ----- Original Message -----
> From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, November 28, 2001 1:15 PM
> Subject: [TechAssist] Re: magnovox ts2575 25f800
> chassis
> 
> 
> >
> > You didn't say whats wrong with unit.
> > Phillip R Hull
> > phil245@xxxxxxxxxxxxx
> > ----- Original Message -----
> > From: "al m" <ampm@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, November 28, 2001 1:23 PM
> > Subject: [TechAssist] magnovox ts2575 25f800
> chassis
> >
> >
> > >
> > >  i'm stuck on this one. manual calls for 140v on
> main output on
> > regulator.i
> > > got 129v checked all outputs for caps and diodes
>  regulator has correct
> > > voltage on every pin. manual says turn down ac
> voltage and check
> > > outputs,same thing did anyone see this before
> the troubleshooting guide
> is
> > > vague on what to do, it doesn't tell what to
> check if the voltages are
> > wrong
> > > only if they're not there. any tricks would be
> appreciated been on this
> a
> > > long time and am in the same spot   duh!!!!!
> > > al marquardt
> > > ampm@xxxxxxx
> > >
> > >
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> 
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