[TechAssist] Re: Panasonic OFL04508F flyback.
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 5 Oct 2002 10:43:50 -0400
Kevin,
I don't have anything on this one specifically but I did have a Panasonic
that drove me nuts in the same way a while back. It turned out to be a
diode in the B+ supply. Also some of these sets have had pincushion
circuits causing this. I'd check with Panasonic for any modifications for
this problem. I know that there were some on several of the chassis around
this number. The service manuals are pretty cheap, around $12 usually, and
typically come with the supplements.
Leonard G. Caillouet
Service Manager
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: "kevinstv" <kevinstv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 04, 2002 7:13 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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