[TechAssist] Re: Panasonic OFL04508F flyback.
- From: kevinstv <kevinstv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 08 Oct 2002 13:21:19 -0700
Yes I did test the diodes and the HV output. Compared results with brand
new flyback--tested the same. I think the flyback is failing under load
because it takes a couple of minutes for the HOT to short. Thanks.
Kevin Wilks
Kevin's TV and Video Repair
Penticton BC Canada
kevinstv@xxxxxxx
----- Original Message -----
From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 08, 2002 1:14 PM
Subject: [TechAssist] Re: Panasonic OFL04508F flyback.
>
> 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
> > > >
> > > >
> > > > ------------------------------------------
> > > > To REMOVE your email address, click here:
> > > > http://www.tech-assist.org/unsubb.html
> > > > To CHANGE your email address, click here:
> > > > http://www.techassist.net/forms/change.html
> > > > ------------------------------------------
> > > > ***NEW*** Tips Added Instantly!!!***
> > > > Submit Repair Tips here:
> > > > http://www.tech-assist.org/secure/tip/
> > > >
> > >
> > >
> > > ------------------------------------------
> > > To REMOVE your email address, click here:
> > > http://www.tech-assist.org/unsubb.html
> > > To CHANGE your email address, click here:
> > > http://www.techassist.net/forms/change.html
> > > ------------------------------------------
> > > ***NEW*** Tips Added Instantly!!!***
> > > Submit Repair Tips here:
> > > http://www.tech-assist.org/secure/tip/
> >
> > ------------------------------------------
> > To REMOVE your email address, click here:
> > http://www.tech-assist.org/unsubb.html
> > To CHANGE your email address, click here:
> > http://www.techassist.net/forms/change.html
> > ------------------------------------------
> > ***NEW*** Tips Added Instantly!!!***
> > Submit Repair Tips here:
> > http://www.tech-assist.org/secure/tip/
> >
> >
>
> ------------------------------------------
> To REMOVE your email address, click here:
> http://www.tech-assist.org/unsubb.html
> To CHANGE your email address, click here:
> http://www.techassist.net/forms/change.html
> ------------------------------------------
> ***NEW*** Tips Added Instantly!!!***
> Submit Repair Tips here:
> http://www.tech-assist.org/secure/tip/
------------------------------------------
To REMOVE your email address, click here:
http://www.tech-assist.org/unsubb.html
To CHANGE your email address, click here:
http://www.techassist.net/forms/change.html
------------------------------------------
***NEW*** Tips Added Instantly!!!***
Submit Repair Tips here:
http://www.tech-assist.org/secure/tip/
Other related posts:
