[TechAssist] Re: Mitsubishi VS-5043 leaking tube assy
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 11 Dec 2002 15:34:41 -0500
When we do one, we do all three. The brackets on these things are made of
stamped metal and are not welded at the corners so they can flex under
stress. We seal the tubes with a thin layer of RTV on the gasket to make
sure that there is never another leak. They are not any more difficult than
other tubes in other makes. Tedious and time consuming job, but not
difficult at all.
Mits is playing safe by recommending tube replacement. If there is any
coolant on the anode lead or yoke I'd lean toward replacing also due to the
possibility of arcs. I have not seen this to be the case on any sets except
one later model that had coolant in the yoke and was arcing all over the
place. How it got there I don't know but it was a mess. Mitsubishi covered
that one under warranty even though it was out of the normal warranty
period.
Leonard G. Caillouet
Service Manager
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: "Mitchs Electronics" <Mitchstv@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, December 11, 2002 12:24 PM
Subject: [TechAssist] Re: Mitsubishi VS-5043 leaking tube assy
>
> The signal proz board can be fixed, that isn't what's bothering me. Its
just
> I have never removed a crt assay from a Mitsubishi and Resealed/refilled
it
> with Ethylene Glycol before. Mitsubishi says MUST replace complete assy.
> This set has been hauled to 2 other shops already and that's proudly why
one
> tube is leaking. Murphy is whispering in my ear "Can the other 2 assays be
> far behind". :)
> Rick Mitchell
> Mitch's Electronics Ser.Co.
> Mitchstv@xxxxxxxxxx
> 3935 south 20th
> Lincoln, Nebraska 68502
> ----- Original Message -----
> From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, December 11, 2002 10:17 AM
> Subject: [TechAssist] Re: Mitsubishi VS-5043 leaking tube assy
>
>
> >
> > We see this frequently. I have a VS4543 with a hole burned in the
> > deflection board the size of my thumb. Which board is it and what makes
> it
> > unrepairable. We usually just wash the boards, repair, reseal the tubes
> and
> > they are OK.
> >
> > Both boards are NLA and I have checked with PTS and they do not have
them.
> > Which board do you need?
> >
> > Leonard G. Caillouet
> > Service Manager
> > Electronics World
> > Gainesville, FL
> > 352-332-5608
> > 352-332-5668 (fax)
> >
> > ----- Original Message -----
> > From: "Mitchs Electronics" <Mitchstv@xxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, December 11, 2002 8:59 AM
> > Subject: [TechAssist] Mitsubishi VS-5043 leaking tube assy
> >
> >
> > >
> > > Hi guys.
> > > Came upon this set last night on a call. Center tube leaking on
chassis
> > > below. Board has major damage. I didn't think these had fluid coolant
in
> > the
> > > tube assays. Being it is a 1996 model and knowing Mitsubishi. (parts
> > N.L.A.)
> > > guessed $500-$600 to fix the set. Customer wants to give me the set,
but
> > > don't want to get caught hauling another set to the landfill.Anyone
seen
> > > this on this model run? Thanks
> > > Rick Mitchell
> > > Mitch's Electronics Ser.Co.
> > > Mitchstv@xxxxxxxxxx
> > > 3935 south 20th
> > > Lincoln, Nebraska 68502
> > >
> > >
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