Question about Televison & Video
I recently moved my 52'' 1080P LCD screen into a new apartment
Anyways, moving went fine (or so I thought) until I tuned my television on an saw multiple verticle lines on the right side of the screen. The lines are colored (red, blue and white). It also looks as though there is also a small section that was compressed or bruised.
The rest of the screen is static except for one central area that is a darker gray than the rest. I assume this is a bad indication.
Is this television beyond repair? I'm rather devastated over this.
Thanks for any and all help.
If you wish to get some details; visit the site linked here. Pull up older posts.
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Posted on Apr 12, 2017
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Posted on Jan 02, 2017
SOURCE: Blue Convergence
Convergence problems are generally simple repairs, presuming you know how to solder and have a bit of brains about you. Eventually every projection set will have this problem - STKs are usually at fault (STK392-010/020/040, STK392-110/120/150/180, etc) and are easily aquired and replaced. Sometimes a fusible resistor is taken out in power supply circuit, sometimes a resistor will burn. Generally easy fix. Repalce STK and any fusible/blown resistor - you will need a multimeter, decent soldering equipment (NOT a 40watt iron or gun from Radio Shack, unless you're brave) and the replacement parts. But as everyone says - servicing TVs can be hazardous. Call a servicer if you're concerned, but in-shop repair should cost less than $250 - it would never exceed that at our location.
Posted on Jul 11, 2006
Go to zenith.com, look under the service icon at the top and then you should see a listing for "Class Action Lawsuit/Settlement". If you follow that link, they'll have specifics listed for this suit that was brought against them (including tv model #s included in the suit). There was an agreement reached to fix/replace affected t.v.s, court date was in Feb. I believe, and just waiting now until they post information on how to proceed.
Good luck and hope that helps.
Posted on Apr 02, 2009
This set has no internal manual adjustments for color. The Tracking or B&W balance is accessed via the service menu. I don't suggest you attempt to adjust without instrumentation. the trouble with your set is not an adjustment. Most likely the Optics are at fault. This model has had issues with filters in the optics being destroyed over time by the lamp. The blue haze will get worse and continue to grow over the whole picture. The only option is to remove the Optics (light engine) and sent it out to be rebuilt.
Posted on Apr 16, 2009
If the convergence is off more than 1/2 inch or so you can't adjust. you have a failure of hardware. most likely the output IC. This set has 2 outputs for convergence. Each output contains 3 circuits, Six circuits altogether 2 red ,2 blue and 2 green. The normal customer adjustment will only alow adjustment of blue and red. They should be converged onto the green. There is a much more complex adjustment in the service mode for Geometry and convergence. These adjustments are only needed when you replace a failed componnent like the output ic. These ICs have been upgraded several times since the production of this set. The latest and most powerfull version is STK394-160. If feel up to it I suggest changing both outputs and the corresponding output resistors. Then do a complete geometry and convergence alignment.
Posted on Apr 16, 2009
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