Mary Posted on Jan 29, 2014

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Hitachi 57SWX20B blue color problem

Blue is causing double words and has lines going in a wave, only blue

1 Answer

Kenneth Lee Sr.

Master 597 Answers
Posted on Feb 02, 2014

Kenneth Lee Sr.

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Joined: Aug 22, 2009

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

3 Related Answers

Anonymous

5138 Answers
Posted on Jan 21, 2008

SOURCE: HITACHI 60VG825 REAR PROJECTION LCD 2005

seems to me you may have bad color wheel.going to see if i can find out any more information if i do i will post it!

Anonymous

4402 Answers
Posted on Feb 08, 2008

SOURCE: Hitachi Ultravision Digital TV Model 57SWX20B

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=

good luck
please mark the post with a fixya

Anonymous

42 Answers
Posted on Feb 09, 2009

SOURCE: Hitachi TV 43FDX10B has yellow line with blue curve line above it

It sounds like your convergence ic's are messing up

They have a kit for this tv it is available through local parts distributors
If you can't find it locally just Google HITACHI CONVERGENCE KIT

If you are not good with de-soldering and soldering do not attempt this repair. Remember to replace all the resistors in the kit

If you are not sure about doing this repair you should have your local tv guy do it for you

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Related Questions:

0helpful

1answer

I have what appears to be shadowing of the words.. and picture.. blue wave across the top of picture..

Your Convergence ICs are likely failing. It is very common on rear projections. The solution is to replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu. It is about a $300 repair at a tv service center. You will need the service manual if you decide to do this yourself.

Try This:
When you notice the symptons Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option probably under setup or video setting. Converge is short for convergence to align the red and blue colors to the green color.

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.

Note if one STK chip fails, you replace both regardless. They will be right next to each other.

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Feb 20, 2011 • Hitachi 57SWX20B 57" Rear Projection...

0helpful

1answer

Magic focus is not working green and blue lines wave throughout and cause objects to doubled

yes u have bad convergence ic , to fix this problem u has to replace this ic stk392-110 , plus 2 resistor 2.2 ohn , this stk or ic look like to big black peaces u can't mis it

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Dec 23, 2010 • Hitachi 51F500 51" Rear Projection...

0helpful

1answer

I just got this hitachi and the pitchure is off I dont have the remote control and I cant get it to line up with the colors

IF PICTURE LOOKS 3D OR HAS RED OR BLUE AROUND LETTERS IT IS A CONVERGENCE PROBLEM.

PARTS COST TO FIX IF THIS IS UNDER 30 DOLLARS.

DO YOU HAVE QUESTIONS?

SD TECH

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Sep 18, 2010 • Hitachi 57SWX20B 57" Rear Projection...

0helpful

1answer

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...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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

0helpful

1answer

Color is mostly yellow and blue with double images

you have lost the convergence IC`s in your set, this really isn`t a diy repair unless you are very proficient in un-soldering and re-soldering components, once replaced there will be an alignment procedure as well that will require the service manual also, if you have more questions feel free to ask away, video-tek

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Feb 04, 2009 • Hitachi 53UDX10B 53" Rear Projection...

0helpful

3answers

Double image issue

You need to replace both convergence ICs they are STK392-110 you will alos need (two0 3.3 ohm 1 watt metal film resistors. (two) 1.8 ohm 1watt Metal film resistors, (one) 3.9 ohm 1watt metal film and 9one) 2.2 ohm 1watt metal film resistor. You can get new replacement Ics and resistors at the following link and they include free instalation instructions with pictures. Here is the link.
http://servicemanuals.vstore.ca/

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Jul 04, 2008 • Hitachi 57SWX20B 57" Rear Projection...

1helpful

1answer

Color convergence red and blue will not line up/ double images

Repair involves some dis-assembly...replace convergence IC's
and inspect current limiting resistors for over-heat damage...
part # STK392-110 sub to upgrade STK394-160 Hitachi part # CZ 01341....you will need two....good solder technique required.
....................................................................................T.

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Feb 08, 2008 • Hitachi 43UWX10B 43" Rear Projection...

2helpful

2answers