Re: Zenith B25A242 TV

From: Art (plotsligt_at_comcast.net)
Date: 03/14/05 

Date: Mon, 14 Mar 2005 05:51:01 -0500

CRT very common problem with LG/Zenith televisions.
<dkuhajda@locl.net> wrote in message
news:1110765074.722139.61930@z14g2000cwz.googlegroups.com...
> Yes, it is very possible the picture tube is simply gone.
> The tv however, needs the crt drive and other voltages checked to
> confirm the problem.
> Q5104 is a common failure transistor on some models of Zenith sets at
> the end of the picture tube problem. It goes leaky and will check good
> on a meter, but the voltages will be all wrong.
>
> Since the focus is out, I am betting on the picture tube.
>

Relevant Pages

  • Re: TV Problem (No Picture)
    ... so the picture tube is ... that leaves some portion of the video processing circuitry not doing its ... The RF signal is being processed OK but the video portion is being lost ... A quick perusal of Google suggests this is a common problem with this set. ...
    (alt.tv.tech.hdtv)
  • Re: Tech:Sony Trinitron TV Shutoff
    ... > Common problem, bad picture tube. ... > Slim chance the intermittent short can be blasted out of the guns in ... > More likely it will need a new picture tube in order to permanently fix ...
    (sci.electronics.repair)
  • Re: sony triniton 28" tv fell off
    ... >> My 28" Sony Trinitron TV fell off to its face from about a feet's ... Audio is ... >> I think the picture tube is gone but I want to be sure about it. ... > CRT is damaged/shifted. ...
    (sci.electronics.repair)
  • Re: KV-2783R
    ... What you are describing is usually the CRT that is going defective. ... know the proper specifications and information. ... sound for 2 seconds and then go out with sound of snow and the picture ... So I have a question is it my picture tube ...
    (sci.electronics.repair)
  • Re: Toshiba TV problem?
    ... I've read say to just short out the caps and picture tube. ... For the CRT, use a high wattage (not for power but to hold off the high ... Do I need to go to an electronics store and buy some resistors before I ...
    (sci.electronics.repair)