[TechAssist] Re: Zenith B/S PVR5263RK

  • From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 25 Feb 2004 09:26:10 -0500

Unless I am confusing posts, somewhere in the original post i thought something
was said about a green picture?
Phil

Jorge Camboni wrote:

> What is the relationship between the 120K resistors and the filament
> voltage? That's new to me......
> Those flybacks are either dead or alive.
> good luck
> Jorge
>
> At 12:31 p.m. 24/02/2004 -0800, you wrote:
> >Has anybody ever had a filament problem were the flyback was the problem?
> >I've done everything with the Daughter board and the 120K ohm resistors. But
> >still no luck. Thanks, Dave
> >TV Man
> >Inverness, Fl.
> >----- Original Message -----
> >From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Sunday, February 22, 2004 12:36 PM
> >Subject: [TechAssist] Re: Zenith B/S PVR5263RK
> >
> >
> > > Filament supply is probably derived from the secondary of the flyback.
> > >
> > > Trace it back from the CRT boards.
> > >
> > > Look closely at the metal grommets around the pins of the flyback , they
> >can
> > > crack and separate from the PC board.
> > >
> > >
> > > ==========================
> > > Jeff Stielau
> > > Shoreline Electronics Repair
> > > 344 East Main Street
> > > Clinton,CT 06413
> > > 860-399-1861
> > > 860-664-3535 (fax)
> > > jstielau@xxxxxxxx
> > > ========================
> > > "If you push something hard enough it will fall over."
> > > Fudd's First Law of Opposition - Sir Sidney Fudd
> > >
> > >
> > > ----- Original Message -----
> > > From: "TV Man" <tvman@xxxxxxxxxxxxxxx>
> > > To: "TV Tech Line" <techassist@xxxxxxxxxxxxx>
> > > Sent: Sunday, February 22, 2004 6:12 PM
> > > Subject: [TechAssist] Zenith B/S PVR5263RK
> > >
> > >
> > > > Let's start over. Set has HV to the CRTs but no Filaments. Checked R3243
> > > it's good @ 110K ohms. Resoldered board that stands upright. If I take out
> > > the anode lead from the flyback I still have no filaments. At this point
> >I'd
> > > like to just send the board out for repair but do not know what board can
> > > cause this. Is it the sweep/HV board or can the HV block be bad even
> >though
> > > I have HV to the CRTs.Thanks for all the past help. Dave
> > > > TV Man
> > > > Inverness, Fl.
> > > >
> > >
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>
> Jorge Camboni, GY Electronics, Richardson, TX
>
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--

Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx




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