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Hitachi Repair Unable to fix the verticle line on picture also there is a concave picture image. The TV doesn't have a dial to adjust the verticle line.

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Check the nearest capacitors or the vertical yoke

Posted on Jun 16, 2008

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Double images purple and green. try to convergence lines are lined up but there is a wiggly green vertical that won't move.


Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

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.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.

578ba6c.jpg
TV set after fluid change

65af323.jpg

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 11, 2011 | Hitachi 43FDX01B TV

3 Answers

Hitachi Model# 43FDX01B is doing a double image.


You have a convergence problem, you will need to change the convergence IC's STK392-110, there is also 12 6.8 1w resistors that need to be changed, there is also 2 fusilbe resistors that may be open. You can probably Google the IC's as a kit and find them all in one kit.
You can fix this yourself and save about $300-$400 in repair bills.

Feb 23, 2010 | Hitachi 43FDX01B TV

1 Answer

Convergence issue; red 3D effect. In grid convergence mode blue will converge w/green fixed lines and red horizontal will but the verticle red will not adjust far enough left to converge. has ajustment...


Convergence is dead.Must know how to solders?Must replaced ICS and all of it resistors.Tries Tv repair World.com,Tvrepairkits.com for a convergence kit.The shop will cost u $300 for parts and labors.

Jan 24, 2010 | Hitachi 43FDX01B TV

1 Answer

Hitachi 51S715 white grid lines are bowed at top and picture is now bowed also


Projection sets have two very common problems outlined below.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. The TV can also shut down when the convergence starts to fail.

Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith, RCA and others.


You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.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

Jul 12, 2009 | Hitachi 43FDX01B TV

1 Answer

3 lines (R,G,B), Picture is Conave and 3-D


The problem with your set is bad connections on the flyback transformer and a blown fuse right beside the flyback. If you double check the model number, you will probably see that it is a R52WH74. It is an relatively easy repair, but if you have no experience, it may be best to find a qualified tech. Please rate my solution and let me know if I can be of further assistance.

Dec 13, 2008 | Televison & Video

2 Answers

Hitachi 43FDX01B Convergence Problems


Hitachi remote part # HL01643........I like the original remote
to do adjustments.................T.

Aug 06, 2008 | Hitachi 43FDX01B TV

1 Answer

Hitachi 43FDX01B (convergence) problem


Convergence IC's must be changed to start repair..original...
STK392-110 sub to Hitachi upgrade STK394-160E.....PART #
CZ 01341...you need two....
Next, take a critical look at the B+ feed resistors near the IC's..
check for over-heat / damage......usually 2.2 ohm 2 watt......
Let me know....................T.

Jan 03, 2008 | Hitachi 43FDX01B TV

1 Answer

Screen Image is Concave


sony trinitron colour 29ins tv its black and white not colour but the teletext is colour

Sep 01, 2006 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

No Vertical Sweep


The verticle output iC or the b+ feed is going bad. To fix it your gonna need a multimeter and experience working with tv. Now to its worth??? do you like the set? Does it have all the fetures and fuctions that you liokeand how good is the picture? It shount cost ya more the 125 to 150 for this repair. Good Luck

May 27, 2006 | Hitachi 27FX48B 27" TV

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