[TechAssist] Re: Zenith PV4661LK Repeat Horiz out failure on 9-1302 Module
- From: "Shaun" <ssroark@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 May 2002 09:04:26 -0600
The focus block has a gray wire that plugs into the s.m.p.s. board if you
ohm it. It needs to be between 48k ohms and 51k ohms if lower or higher it
can cause horz output to run hot and short. That is the only test other than
the guns being out of focus.
Shaun
Advanced Electronics
Fort Morgan, CO 80701
(970)867-3124
ssroark@xxxxxxxx
----- Original Message -----
From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 21, 2002 12:20 AM
Subject: [TechAssist] Zenith PV4661LK Repeat Horiz out failure on 9-1302
Module
>
> This Zenith Projection Model PV4661LK has had 2 replacement 9-1302
> replacement modules installed and the unit may run for 1-3 days. I checked
> with the customer and she is not experiencing any arcing or flashing of
one
> color before failure, so I suspect the CRTs are OK. Last time I was out I
> tapped the CRTs and the Hi Voltage Splitter Block, but did not get any
> results from that test.
>
> I suspect the HV Splitter Block, as the Horiz output always shorts. Who
has
> seen and can verify the HV Block as a failure item?? I have seen maybe one
> and only one.
>
> Any other ideas why the Horiz output always shorts, even after replacing
the
> module twice???
>
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
>
>
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