[TechAssist] Re: Zenith B/S PVR5263RK
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 22 Feb 2004 15:36:25 -0500
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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