[TechAssist] Re: Zenith B/S PVR5263RK
- From: Jorge Camboni <geo@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 24 Feb 2004 23:15:12 -0600
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.
> > >
> >
> > --------------------------------------------------------------------------
> > ---
> > > Lost Password:
> > > http://www.tech-assist.org and select "Login Problems?".
> > > Email Archives:
> > > //www.freelists.org/archives/techassist/
> > >
> >
> >
> > --------------------------------------------------------------------------
>---
> > Lost Password:
> > http://www.tech-assist.org and select "Login Problems?".
> > Email Archives:
> > //www.freelists.org/archives/techassist/
>
>
>-----------------------------------------------------------------------------
>Lost Password:
>http://www.tech-assist.org and select "Login Problems?".
>Email Archives:
>//www.freelists.org/archives/techassist/
Jorge Camboni, GY Electronics, Richardson, TX
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
