Question about Hitachi 53UDX10B 53" Rear Projection Television

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3 IMAGES ON SCREEN

At first the screen was jumping, now there are ghost images on the screen, the reg. pic then a green image and a purplish pink image above that one. the images at the top and bottom are both bowed in. any hope that this may be fixable? It had a really clear pic until we hooked up our wii to it.

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  • spatters805 Jun 08, 2008

    Ghosting with 3 images (green and hot pink). Is there a quick and easy fix until I can get convergence IC's?

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  • Hitachi Master
  • 8,617 Answers

You need to replace both convergence ICs they are STK392-120 you can get replacement ICs and free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

Posted on Jun 05, 2008

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thats a convergence issue I will need the model number of your samsung in order to assist further with the issue.

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Well this is the fix for the usual Ghosting problem....

To bring up the "service" menu, put the TV in standby mode, then press in sequence :

Onscreen Display ( the little screen with the i+ in it )
5 ( channel number 5 )
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The TV should switch on and when it's warmed up, you should see a screen with lots of big green lettering on it.

Press the "menu" button ( middle bottom )

Use the direction dial to move down to "LCD Drivers" and press right on the dial to enter this menu.

Move down to "S H Pos Reg R". It should be "10", change it to "11". ( Left/Right to adjust )
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1 Answer

Double images on half the tv


Projection sets have two very common problems.

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. 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 and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*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.pngYou 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

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1 Answer

Green cruve line


Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

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You could have some type of convergance (three colors, three guns) problem. Also a misaligned horizontal or vertical oscillator.Ceck to see if any of tiny magnets around the bell of picture tube or next to coils in and around bell of pix tube are missing.

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This sounds like your convergence correction amplifiers have malfunctioned. These Integrated Circuits often burn out after a few years (STK392-110) they can be replaced with a higher version (STK392-150) However it is important to have the biasing circuitry checked to make sure nothing has burnt out as a result of the ICs malfunctioning. If you have a background in electronics you can repair this problem with very little effort, however if you do not have a background in electronics, I would suggest that you have your TV serviced by a qualified TV technician.

 

I hope this helps,

 

Thank you,

 

Shuttle83

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1 Answer

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