[TechAssist] Re: Zenith PTV Z50Z53, Looks Like Bad CRT's

  • From: "Damon" <damon101@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 3 Oct 2001 01:08:32 -0500

Yep, I've had many of these resistors open up on me, looks like a greenish
haze around objects most of the time. Don't really know why they fail
either, but they help to pay the bills.

Damon
----- 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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