Question about Hitachi 50UX26B/27K 50" Rear Projection Television

1 Answer

Double picture and unbalance colors

Bottom part of screen is fine middle part starts double picture top part of screen unbalance colors and unbalance picture

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  • Hitachi Master
  • 3,459 Answers

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

double picture and unbalance colors - 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

Posted on May 30, 2010

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Posted on Jan 02, 2017

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Related Questions:

1 Answer

Can vertical lines that start out in the middle of the screen be fixed


Generally no, this means that the connections from the edge of the lcd are failing.

Nov 26, 2015 | Vizio Televison & Video

1 Answer

I have a sony kp-41t65 tv acting like computer screen out of whac


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 get more information 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

Nov 10, 2009 | Sony KP-41T65 41" Rear Projection...

1 Answer

Fixing colors and picture


There is 3 resistors you need to CK 2.7ohms, near ICs most of the time you will fined 2 of them bad.

Jan 10, 2009 | Samsung HCN653W 65" Rear Projection...

1 Answer

I have a rainbow effect on my television screen.


the deguesing is not working of your tv.or maybe you have a load speaker near the tv. take it away near the tv it damage the color of your tv set.

Nov 15, 2008 | Televison & Video

1 Answer

Convergence problem


The convergence ICs are located on the left board on a huge heatsink they should be STK392-110 or STK392-120. You can get replacement ICs at the following link and they also provide free step by step instructions on how to remove and install the new ICs.
http://servicemanuals.vstore.ca/

Mar 29, 2008 | Philips 60PP9202 60" Rear Projection...

2 Answers

Screen is bowed (top and bottom) Color has a green and purple tint?


Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.
Here is an example video


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Jan 15, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Vertical colored lines on top and bottom of screen


Definately a video processing problem and it may need a logic board it is called. Does the set work fine if you feed component into set to bypass all that? Let me know. GURU JAY

Sep 11, 2007 | Samsung HP-R4252 42 in. Plasma HDTV

1 Answer

I have a Mitsubishi VS-60.. With a Picture


Vertical IC outputs , vertical Capacitors are most like the culprit on your deflection panel. good luck

Aug 16, 2007 | Mitsubishi VS-50501 50" Rear Projection...

1 Answer

JVC AV-48WP74 48 in.


The convergence circuit needs repaired. I did the same job yesterday on this model. I not only replaced the convergence ICs, but, I had to replace a couple of resistors and a coil. The convergence alignment was minor after that.

Jan 22, 2007 | JVC AV-48WP30 48" Rear Projection...

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