Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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Middle of the top of the picture in distorted and out of focus. color is displaying only purple at the top

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Chi Chu

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The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignments anywhere in the pictures,have colors shadows 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,require replacing to fix the tv convergence board,to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Posted on Dec 04, 2010

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Blurry, purple bar across middle of plasma tv screen


Plasma screens are extremely susceptible to getting broken from any impacts to the face of the screen. What you are describing sound very much like distorted or dead pixels. It may not be a fixable issue, you may have to replace the entire unit or live with the purple bar. The reason you don't notice it as much when the screen is dark is because purple is on the darker end of the spectrum, and will be most visible in contrast to lighter ad brighter colors.

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What part fails to make distorted or wrong colors and over all dimmer picture on a DLP TV?


You are correct that oit is the color wheel. I wcannot give you a part number at this time because you have not supplied the model number of the set. I hope this helps.

Mar 08, 2016 | Samsung Televison & Video

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Hitachi 42in tv started to show purple color over whole screen.i could see picture and here the sound ok just a purple color.tried the button on the front for color called magic focus no help.now picture...


there is a problem in display driver circuit, some display problem cause by some capacitor in
power supply are bloated or changed value, the remedy is changing those capacitor
you need some technical skill to do this repair, if you don't have, call for a service technician,
.try to see this video http://www.youtube.com/watch?v=hgcmWO7mqmo
thanks.. hope this help.

Sep 05, 2011 | Televison & Video

1 Answer

Sony 46 inch proj tv picture is bowed in the middle and color is


Problem #1) Convergence

Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Purple and green color


It sounds like a convergence problem to me. I had the same problem with my set and fixed it myself using a kit I bought from www.TvRepairKits.com. These guys rock!

Aug 19, 2009 | Hitachi 61SWX10B 61" Rear Projection...

1 Answer

Green/Blue distorted Colors


Color issues are harder to solve without seeing the problem. It sound like the red amplifier on the crt board is bad. Is there any red in the picture at all? If not, that will be you problem

Nov 26, 2008 | Televison & Video

1 Answer

Convergence problem


The convergence ICs are located on the left board on a huge heatsink they should be STK392-110 or STK392-120. You can get replacement ICs at the following link and they also provide free step by step instructions on how to remove and install the new ICs.
http://servicemanuals.vstore.ca/

Mar 29, 2008 | Philips 60PP9202 60" Rear Projection...

1 Answer

Hitachi 50ux26b/27k with AP63 chassie convergence problem


It looks like the STK chips need to be replace for fix the distorted colors.
You can download the service manual from here: http://www.eserviceinfo.com/downloadsm/11792/Hitachi_60SX12B.html

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1 Answer

Dvd playback


Maybe it's something with picture settings, i.e. NTSC/PAL or INTERLACE/PROGRESSIVE SCAN.

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