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Sony kp43ht20 alignment issue?

It appears that the red image is shifted slightly from where it should be. Is there a way to align this? I have tried the align button on the tv but it does not fix it. Some times the red images flickers side to side as well.

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Convergence IC likely culprit. Could be buffering caps, too, although in my experience, I'm never that lucky...accordianman

Posted on Feb 25, 2008

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I have a sony projection tv kp-43ht20 and the picture has gone pink. Can you give me an idea what has happened? Is this a fixable problem? I can't afford a brand new tv at this time. Thank you for your...


Sounds like the convergence is out of adjustment....moving the set can cause this as well as components chaging value with age....The kp43ht20 is an older set and may not have the alignment setup in the menu as with the newer sets...but you can go thru the menu to find out...if there is one, then you can try to align the convergence...usually there will be a crosshatch on the tv...when aligning convergence there will be a blue setting and a red setting...you want to select red first and try to get the lines lined up as close together as possible on the red adjustment..then you go to the blue adjustment and do the same...the outcome should be as close as possible to white when everything is lined up properly

Dec 30, 2010 | Sony KP-43HT20 43" Rear Projection...

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Convergence adjustment aligns red and blue picture tubes to align with fixed green tube. Green image appears to skewed (possibly out of focus) in one direction making it impossible to get red and blue...


Ur tv convergence are dead.U know how to solders?Must replaced the 2 STK convergence ICS,some or all it resistors.Tries Websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Apr 04, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Sony kp43ht20 has green distortion and slight double pic


These chips are the culprit:

http://www.fixya.com/uploads/images/4790134.jpg

Replacing them requires a lot of soldering and a knowledge of circuit boards.

Is the Tv worth saving? is it bright and clear? was it good (when it worked?)
if the answer to all of these is yes, then you have a few choices. If any of these are not true, then you should just get a new tv.

Your choices are:
If you are good at soldering, then you can attempt to replace the IC's yourself. (with all of the parts handy, it should take 1 hour)

If you aren't good at soldering, then you can have a friend do it for you, or you can have a mechanic fix it. (tell them that its the convergence IC's that went bad. (pay no more than $200 for the job).


These go bad on almost all projection tvs2_bing.gif eventually. They overheat and burn out, causing the screen to go in/out of alignment and make wavy lines.

If you need more info on IC's, contact me.

Thanks for asking!
-Josh

Mar 07, 2010 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Connect laptop to LG Plasma 42PQ30R, image alignment issue


I have the same problem, not sure what to do.

Feb 21, 2010 | Televison & Video

1 Answer

Colors don't line up, and screen is distorted on a sony KP43HT20


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

Dec 08, 2009 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Duplicate image in pink displays on the screen.


From your description, it sounds like an alignment problem. There are 3 LCD panels in the projector. Each one displays an exact duplicate image of the others except it's either red, green, or blue. Under normal conditions, the images precisely overlay one another so you get a sharp image. Due to age, heat, or vibration/shock(impact) it would appear that the red LCD panel has shifted a little, giving the "ghosting" effect. You'll have to have the unit repaired by a qualified tech. He'll have the special electronic equipment needed to align the panels properly. Before sending the unit in, try a reset in the menu. Sometimes, the projectors can shift the image electronically, using math algorithms which will try to auto-sharpen the display. Hope I was able to help!---Rick

Aug 11, 2009 | Sanyo PLC XU35 Multimedia Projector

1 Answer

The problem I am having is that my 32' Sony Wega kv32fs12 Trinitron television will work almost perfectly. Image color is beautiful. tuners seem to be working like a charm, but the screen has a slight...


Picture alignments made in servive menu.

pwr off + display + 5 + (+vol) + pwr on
You must do all within 1 second.
1&4 move thru settings, 6&3 chg value,
muting & enter saves chgs.

Your code access could differ.

In the menu note down all existing settings.
Make small adjustments and watch what happens if not in right direction reset that particular option to original value before you changed. In those menus you can bend, shift hor. and vert., etc.
But be warned only slight adjustments and write down start values before experimenting. Or you can get in to serious trouble.

Good secret service menues keep an access counter for manufacturer/dealer to see how many times it was used.

May 04, 2009 | Sony KV-32FS12 32" TV

1 Answer

Red shadow on images and letting


Check your convergence, Using your original remote go to the Menu, in the settings select convergence, try to align the colors to each other.

Apr 20, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Philips Rear Projection Issue with Color Alignment.


this seems to be convergence problem in your tv .............

Aug 23, 2008 | Televison & Video

1 Answer

Red is off to the right while blue and green light are in sync


Convergence alignment issues are common to all rear projection
TV's....Repair requires replacement of STK IC's on large heatsink.
After repair, alignment often returns to normal......T.

Oct 27, 2007 | Sony KP-51HW40 51" Rear Projection...

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