Question about Projection Televisions

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Lxi projection television

Model number 626.54638 394
its got a white tint to the screen and is bowing inward on the sides
how can i fix it cheap

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  • mrvondy2uc Jun 22, 2008

    so i took the tv apart this weekend and cleaned the inside out really well the white tint on the screen went away it still goes in and out on the sides but is working alot better

    if it is a bad capacitor how do i get it fixed get a new board or how do i find out which one is bad

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This is most likely a bad capacitor in the pincushion circuit. The problem is that the service manual for this model is not readily available. I believe that it is similar to RCA models. I'll look up a few RCA types and try to supply you with a few suggestions.
Dan

Posted on Jun 19, 2008

  • ABRsvcs Jun 23, 2008

    I'm still working on getting details for your specific model. I haven't been successful yet. Stay tuned...



    Dan

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1 Answer

Picture is distorted......bowes inward. Colour is


This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


7859b01.jpg

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69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 21, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

The picture just changed & the convergence is off with the picture bowing inward on top & bottom of screen & you see the image in red,blue & green. The auto convergence feature in the setup...


U have a soldering iron,solder wick or a desoldering pump,and solders?U know how to do soldering?U can fix this problems like about 20 mins.The convergence fuse part (FL231) is dead.Very common on this model of RCA tvs.U can buy this convergence fuse (FL231) at Ebay.com pretty cheap like $3+ shipping.There 3 small brown or pinkisk sqaure look like caps.The one in the middle is dead.But they're fuses located right side of the Flyback transformer,call a FBT(a big black block of transformer).Resolders the FBT too.

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1 Answer

Problem with Sony KP46WT500: Each line on the


These sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks Distorted/3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking screen
  • White looking sceen
  • Halos around objects
  • Red/Orange looking

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

I have a Toshiba CX32D60 with sides of screen bowed inwards ( narrow in the middle). Sound bar raises and lowers - sound audible only, close to the plus (+). Any help will be appreciated. Thank You.


You need to adjust the Horizontal Pincushion adjustment of your TV. That will fix the "bowing" which is actually Pinning.

Check the audio source to your set.

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1 Answer

I just got a tv for free and the screen is kinda got a white tent to the intire picture and the sides have a bow inwards how do i fix it and if i cant how much would it cost


Please provide a make and model as each one is different. There is a problem with the pincushion circuit. The cost should be small if you can solder.

Dan

Jun 19, 2008 | Projection Televisions

1 Answer

Bows on the sides and top of the t.v. screen. The model is KP-57HW40


Have your convergence amps replaced ....by tech and all will be good.

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Distorted Screen for RCA HD56w66


convergence is the problem. first question do you have convergence in the customer setup menu. if you do not it could be a special small fuse if you do have "convergence" in the setup menu then you most likely have a convergence power board issue. and generally they are replaced. in our shop such board replacement average 124 labor and about 100 for part. if the fuse bout 15 for part and 80 for labor. there are solder connection that cause the blown fuse

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RCA D52W20 52" TV AUTO CONVERGENCE WON'T COMPLETE


Sounds like your convergence chip has gone bad. Usually costs about $300-$400 to fix. I would call a local TV repair shop and let them give you a free estimate.

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Screen distortion


Its due to your screen colour pixels problem! mostly its done due to the presense of magnetic things around the TV. But as far as i know you cannot repair by your own! it needs some expertise*

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You need the two convergence IC's replaced part# STK392-570. About a $300-$400 repair.

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