Question about Hitachi 57SWX20B 57" Rear Projection Television

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Hitachi 57swx20b Suddenly the convergence is out of wack, even the auto correct is messed up -- the blocks at top and sides are distorted. This was a sudden occurrence, connections are secure, broadcast tv or DVD player is same issue. Cost to repair??

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You probably will have to change the convergence ic. normally there is 2 of those and repair would cost arround 200$
you have to try to solve this in the tv menu first and then consider a repair.

good luck!

Posted on Jun 24, 2009

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Posted on Jan 02, 2017

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Hitachi 57SWX20B blue color problem


SOUNDS LIKE A CONVERGENCE PROBLEM. COMMON FOR REAL PROJECTIONS. MAYBE A $300-$400 REPAIR, BUT WORTH IT. THIS A HIGH QUALITY TELEVISION.

Jan 29, 2014 | Hitachi 57SWX20B 57" Rear Projection...

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Magic focas not working in the auto mode, stops half way through the process. what can i do to fix this.


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

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.pngCONVERGENCE SOLUTION

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

Jan 11, 2011 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

I get dble shadow distorted view. I live in Edmonton AB. What is the part I need to replace and where is it. Is it difficult to replace? where do I get the part from. Roger


If you are referring to red and blue lines you have a convergence problem and on this model , unless you are a technician you need to call for service and have them replace the convergence ic's stk392-110 and check the associated fuses to the power supply for the same.they are located on the big metal heat sink on the right side of the chassis when you take off the backof the set. there are dangerous volage present so unless you are a elect tech please unplug the set 1st.

Apr 21, 2010 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Picture is ok,but the blue,red & green lines appear in picture


This is a common problem. Its called a convergence failure.

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

Oct 19, 2009 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

I have a hitachi 57uwx20b that had distorted


If the problem "distorted picture" was red and blue lines everywhere you may have a shorted convergence IC and the set may be in shutdown; someone needs to determine by unsoldering the two convergence IC chips and then trying to turn the set on; if they are unsoldered and the set comes on---one of them is the trouble----also you can look around them at a number of small resistors to see if any are discolored or look burnt--If you need more direct assistance my email address is:

etower.766@netzero.net

The convergence ic chips are usually located on the right side of the set as you look at it from the back on a large finned piece of metal(it is a heat sink to keep them cool).

Aug 11, 2009 | Hitachi Televison & Video

1 Answer

Hitachi model 57SWX20B which has a dark screen


loss of brightness could need the mirror and lens cleaned and also the screen.if the tv is over 8 years old then the crts are getting weak.

Jul 28, 2009 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Hitachi 57SWX20B 'blue ghost'


bad convergence ic.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 14, 2008 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Hitachi 57SWX20B 57 in. Rear


convergance amp ic going?
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Dec 08, 2007 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Hitachi projection tv model 3 51gwx208


Do you mean that at the top of the picture, the red color has shifted downward, bowed towards the center? If that is what you see, one color suddenly bows toward the center on any side of the picture, then it means that one of your convergence IC's has burned out and needs to be replaced. It is a good idea to go ahead and replace both STK392-110 IC's with the newer improved STK392-150's. If you have never replaced convergence IC's and realigned the convergence circuits in a projection TV then allow a qualified tech to handle it for you.

Aug 05, 2007 | Hitachi 51GWX20B 51" Rear Projection...

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