[TechAssist] Re: Need Sony Part #
- From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 9 Oct 2003 07:51:23 -0500
Yes---the excessive correction does cause over heating (more than normal
anyway) The reason it affects the red and blue is because those are the one
closest to the speakers. The one I seen day before yesterday (mits uhhhhh
WS65831? guessing at model # 2001 model) the speaker on the left/red side
actually affected both the red AND blue. These sets cannot have drift as
they are digital convergence. All you can get is corrupt memory which is
what I suspected on the first one I had the problem with (tosh) and replaced
the DC CBA (DCU or hyper board equivelent) just to have the same
problem---set the convergence in SM--turn set off then on just to have it
change in the SM again. The magnetic field makes it float around. You'd
think that if the speakers were not moved that it wouldn't be a
problem---but it is.
TV Doctor (part time)
Avalon, Wi
----- Original Message -----
From: "Leonard Caillouet" <lcaillo@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 09, 2003 6:48 AM
Subject: [TechAssist] Re: Need Sony Part #
> Interesting. I wonder why would speakers make the red & blue drift? They
> should only have a static effect. Even if they are operating the static
> field of the magnet is orders of magnitude greater than the dynamic field
of
> the voice coil. If the position of the red, green, and blue shifted you
> have a magnetic effect from the speakers. If you have drifting you must
> have something else going on, too.
>
> Perhaps if you auto-converged it after the speakers were nearby the offset
> necessary to bring it back to center is causing the outputs to overheat.
I
> have had both Mitsubishi and Hitachi techs tell me that excessive
correction
> to compensate for centering problems can cause overheating.
>
> Leonard Caillouet
>
> ----- Original Message -----
> From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 08, 2003 9:53 PM
> Subject: [TechAssist] Re: Need Sony Part #
>
>
> Flash focus? I've had 3 in the last week that tower speakers parked
right
> next to the tv's and most definatly affected the convergences--especially
> when trying to flash focus. Just thought I'd mention this cause I was
> banging my head on the first one. I didn't realize that projos were so
> affected by speakers---these were all very tall/heavy speakers BIG BIG
> magnets? Pulled the speakers away from it--flash focused---then replace
the
> speakers while looking at a grid and watch the red and blue drift around.
>
> TV Doctor (part time)
> Avalon, Wi
>
>
> ----- Original Message -----
> From: "D.Panday" <dpanday@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 08, 2003 8:10 PM
> Subject: [TechAssist] Re: Need Sony Part #
>
>
> > TRY - turn up the picture and brightness control to maximum
> > then do the flash focus.
> > I can email the service maunal but it is 22mega.
> > Give me an email address off list.
> > Panday
> > ----- Original Message -----
> > From: "Keith Trumbla" <ktrumbla@xxxxxxxxxxx>
> > To: "Techassist" <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, September 26, 2003 9:59 PM
> > Subject: [TechAssist] Need Sony Part #
> >
> >
> > > Content-Type: text/plain;
> > > charset="iso-8859-1"
> > > Content-Transfer-Encoding: quoted-printable
> > > I need the Sony part # for a service manual for a model #KP51WS510 .
It
> =
> > > is a brand new model.
> > > Thought I would bone up on this new "Magic focus" automatic
convergence.
> =
> > > The two units I have run into so far don't "Auto-converge" as well
as
> =
> > > they are supposed to.
> > > TIA
> > > Keith Trumbla
> > > B.E.M Electronics
> > > 212-530 Century St.
> > > Winnipeg Manitoba
> > > Canada R3H 0Y4
> > > Ph.(204) 775-2875 Fax.(204) 774-9192
> > > Site Updated ! www.bemelectronics.com
> > >
> > >
> > >
> > >
> >
>
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