[TechAssist] Re: Panasonic OFL04508F flyback.
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 8 Oct 2002 16:14:07 -0400
Did the flyback tests check the diodes inside the IHVT that produce the HV?
Phillip R Hull
phil245@xxxxxxxxxxxxx
----- Original Message -----
From: "kevinstv" <kevinstv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 08, 2002 3:53 PM
Subject: [TechAssist] Re: Panasonic OFL04508F flyback.
>
> Dan,
>
> I did resolder those connections. I am positive it is the flyback because
I
> pulled a working flyback from this set and put it into a 31" Panasonic
whose
> flyback I was suspicious of. It fixed the 31", so as a double test I put
> the suspicious flyback from the 31" back into the 27" Quasar and it blew
the
> HOT just like it did in the 31" Panasonic. So therefore this flyback must
> be failing under load as it passed all my flyback tests. Is this
possible?
>
> Kevin Wilks
> Kevin's TV and Video Repair
> Penticton BC Canada
> kevinstv@xxxxxxx
> ----- Original Message -----
> From: "Webster TV" <webstertv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, October 08, 2002 8:04 AM
> Subject: [TechAssist] Re: Panasonic OFL04508F flyback.
>
> > Kevin,
> >
> > I presume you have checked the solder connections on the Horiz. Driver
> > Transformer? This was a common problem in the Quasar/Panasonic TV's with
> > shorted H.O.T.'s
> >
> > Dan Webster
> > Webster's TV
> > Shullsburg, Wi.
> > ----- Original Message -----
> > From: kevinstv <kevinstv@xxxxxxx>
> > To: TECH-ASSIST <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, October 04, 2002 6:13 PM
> > Subject: [TechAssist] Panasonic OFL04508F flyback.
> >
> >
> > > Hi fellow techs,
> > >
> > > I am repairing a Quasar 27" TV chassis # YALEDC224C, model # QC29S5J
> (made
> > by Panasonic). I am 100% positive the flyback is bad. But it takes
about
> 5
> > minutes playing time to short the HOT. The HOT is not even hot like
they
> > normally are when they short. My question is, Is the flyback failing
> under
> > load? It must be! (I tested it with my Sencore ringer and tested the
> > diodes and their output and compared the output voltage with a new
> one--both
> > tested good!).
> > >
> > > Second question: Where can I get a flyback other than Panasonic? I
> > checked Main and Global here in Canada with no luck.
> > >
> > > Kevin Wilks
> > > Kevin's TV and Video Repair
> > > Penticton BC Canada
> > > kevinstv@xxxxxxx
> > >
> > >
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