[TechAssist] Re: Zenith PTV Z50Z53, Looks Like Bad CRT's
- From: "Tel-Tek Electronics" <teltek@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 2 Oct 2001 13:14:32 -0700
Their probably afraid to tell you to change the CRT....though.
-Ed-
----- Original Message -----
From: "Robert Herring" <supertek66@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 02, 2001 9:39 AM
Subject: [TechAssist] Re: Zenith PTV Z50Z53, Looks Like Bad CRT's
>
> Zenith tech line says cause is crt arcing
> they suggest replacing all three crt video boards together with upgraded
> replacements ( extra spark gaps, diodes, and video output improved) but I
> agree usually resistor is the fix.
> Robert
> supertek66@xxxxxxxxxxx
> robert_herring@xxxxxxxx
> H&H Electronics Inc
> Dallas,Tx. 75233
> ----- Original Message -----
> From: <gulftech@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, October 01, 2001 12:12 PM
> Subject: [TechAssist] Zenith PTV Z50Z53, Looks Like Bad CRT's
>
>
> >
> > Friends,
> >
> > This projection set is about four years old. When you turn it on, you
> > would think all three CRT's are bad, like a gassy CRT. Have run into
> > three of four of these (in various models). The symptom is caused by an
> > open 120K resistor on EACH CRT board. (The board is 9-1303-6. The
> > resistor is R5102.)
> >
> > The first one cost me the price of a new blue CRT before I found the
open
> > resistor.
> >
> > I write this to inform those of you who haven't seen this before and to
> > ask a question of those who have. What causes the resistor to open up?
> > Have never had one come back, but it makes me wonder.
> >
> >
> > 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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