Question about Mitsubishi WS-55513 55" Rear Projection HDTV

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The picture at startup and for approx. 2hours is squeezed in at

Top and bottom. of course not properly converged. after long warmup the picture is just fine. don't have repairman close by.

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Since the set seems to "correct" itself, it suggests that there may be some poor solder connections that are causing the initial problem. If you can solder, try resoldering the pins of the convergence ICs. If that fails to resolve the problem, let me know and we'll start looking at other component failures.

Dan

Posted on Dec 01, 2008

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LG Projection TV Model# RT-49NA11T Green color gun shows bent arc on top & bottom.Red & blue guns are ok.How to adjust the green gun to remove the bent arc. This is causing picture shows mix...


This problems ur tv have can't not be fix by adjustment.The tv have a problems known as convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to repair the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

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Picture pulls down at top


Ur Convergence ICS is the cause is shorted about to dies.U know how to solders?Tries Tv repair World.com,Tvrepairkits.com to buy the convergece kit to repair it ur self.The shop will cost u $300 for parts and labors.

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The problem you're having is due to the failure of the convergence amplifier circuit. In that circuit are some components which amplify or control the signals to the dynamic convergence yokes, which line up the red green and blue images to superimpose them over each other to create a proper colour picture. When you get a failure in that circuit, it no longer aligns the images properly, and generally you get what appears to be badly set geometry in multiple colours. In some cases you will also get a problem with the part of the power supply that supplies the convergence amplifiers, or the digicon, which is the digital convergence control module.

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if it is bowing from top and bottom your looking at a convergance problem if you keep using your tv soon there will be no picture at all when the board crashes... convergance board needs to be replaced... hope this helps..

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1 Answer

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hello it sound like convergance trouble can you access the menu and try and adjust the picture if that don't work it could be the convergance chips

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1 Answer

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Panasonic Flashing codes:
1: ----------------- +140 v.
2: ----------------- Low DC
3: ----------------- Convergence
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6: ----------------- IC 4018
3 is convergence, either one of the two convergence ICs faulty, or something else (capacitor etc.) has blown on convergence board.

Jul 13, 2008 | Televison & Video

1 Answer

Help


you need a convergence PCB. your model uses the type 4 samsung convergence PC Board. You can get a new replacement at the following link and they provide free tech support and free shipping. Here is the link.
http://servicemanuals.vstore.ca/

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2 Answers

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your having convergence circuit problems, you`ll need to change the convergence IC`s and any burnt resistors in the convergence circuit, if you have questions e-mail me back, good luck, BMW Rider

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the convergence IC`s and associated resistors have to be replaced, do not repeatedly push magic focus or the alignment after the parts change out will take longer which of course means higher repair bill, good luck

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