[TechAssist] Re: RCA PTV P46151WK, Odd Problem, FIXED

From: "Eric Gundersen" <redwitch01@xxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx
Date: Mon, 31 Dec 2001 16:11:51 +0000
A Good ammonia based window cleaner works well on most residue from most 
surfaces

Eric g


>From: Gary McCartney <number63@xxxxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Re: RCA PTV P46151WK, Odd Problem, FIXED
>Date: Mon, 31 Dec 2001 11:08:20 -0500
>
>
>I use WD-40 to clean up all kinds of sticky glue left behind from
>stickers, etc. Maybe it would work for these rubber pads too.
>
>
>
>Gary McCartney
>
>McCartney Electronics
>7134 Fife Rd, RR 7
>Guelph Ontario Canada N1H 6J4
>Fax: (519)821-1530
>email: number63@xxxxxxxxxxxxx
>
>
>
>
>
>
>gulftech@xxxxxxxx wrote:
> >
> > Dennis,
> >
> > MEK.  The I tried soap and water--no good.  Ditto for alcohol.  Oh, yes,
> > I used the MEK in a well-ventilated environment!
> >
> > I should have stated that this is a PTK169.
> >
> > Ken Smith
> > Gulf Technical Services
> > 3034 Gulf Breeze Parkway
> > Gulf Breeze, FL  32561
> > 850-934-8324 (Voice) 850-932-0819 (Fax)
> >
> > -----------------
> >
> > On Sun, 30 Dec 2001 17:35:28 -0800 Dennis Viereck 
><wa6ati@xxxxxxxxxxxxxx>
> > writes:
> > >
> > > What did you use to clean the messy compound from the bumpers?
> > > Dennis
> > >
> > > gulftech@xxxxxxxx wrote:
> > >
> > > > Friends,
> > > >
> > > > I haven't posted this as a problem before, because I couldn't
> > > identify
> > > > the problem well enough to ask for help.  After many, many hours
> > > of work
> > > > and two failed attempts to return the light box to the customer,
> > > the set
> > > > is finally fixed and I hope this will help others in the future.
> > > >
> > > > The set came in with the complaint of instant shutdown.  The green
> > > CRT
> > > > was arcing at the second anode.  There appeared to be a contaminant
> > > > spilled in the area.  Cleaning and RTV appeared to repair the set.
> > > >
> > > > Took lightbox back to customer.  Found light horizontal lines,
> > > almost
> > > > like retrace on all three CRT's.  Had not seen in shop.  Also,
> > > appeared
> > > > to have a slight sync problem.  For example, bring up convergence
> > > > crosshatch, vertical lines had slight "s" shape in middle.
> > > >
> > > > After many hours of troubleshooting and failed attempts, tried PIP
> > > pix.
> > > > PIP image was totally out of sync, like is typical of Mitsubishi.
> > > Pulled
> > > > the PIP module.  It had three rubber bumpers to isolate the pcb
> > > from the
> > > > shield.  These bumpers had melted like Hershey's Kisses.  What a
> > > mess!
> > > > Also found seven bad caps.  For the record:  C424, C425, C426,
> > > C501 (all
> > > > 15ufd, 50V), C318/.47@50, C518/10@50, and C121/25@100.  Most of
> > > these
> > > > caps check good with a normal cap meter, but high ESR.
> > > >
> > > > Set works fine now.
> > > >
> > > > Ken Smith
> > > > Gulf Technical Services
> > > > 3034 Gulf Breeze Parkway
> > > > Gulf Breeze, FL  32561
> > > > 850-934-8324 (Voice) 850-932-0819 (Fax)
> > > >
> > > > ________________________________________________________________
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> >
> > ________________________________________________________________
> > GET INTERNET ACCESS FROM JUNO!
> > Juno offers FREE or PREMIUM Internet access for less!
> > Join Juno today!  For your FREE software, visit:
> > http://dl.www.juno.com/get/web/.
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[TechAssist] Re: RCA PTV P46151WK, Odd Problem, FIXED

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