Question about Toshiba 55H70 55" Rear Projection Television

2 Answers

Color convergence problem

I have the Toshiba Cinema series TP48D90. All of a sudden, in the bottom third of the screen, the colors are not merged and the picture is distorted. For example, the football scores at the bottom are separated blue and red, with the red appearing curved upward toward the middle of the screen.

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  • templetontod Dec 06, 2008

    bottom third of the screen the red and blue will not converge can this be fixed inexpensively

  • sdlaleune Dec 06, 2008

    Red colour can not be moved Left , right when tring to convergence

  • Anonymous Dec 18, 2008

    same

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2 Answers

Is that an expensive repair? The TV is almost 12 years old. I am not willing put more than about $100 into it to for repair.

Thanks

Posted on Dec 17, 2007

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The convergence ic's are faulty.

Posted on Dec 16, 2007

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1 Answer

I have a 55 in Toshiba Cinema Series HD the colors are out of alignment so I have three pictures stacked behind each other. Is there an adjustment or repiar


I have a Cinama Series HD Toshiba and it has a Problem with the picture theres red letters behind the white , it like the colors are stretched, theres red eye above the real eyes and same with the teeth area, what could be the problem?

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My Toshiba cinema series HD separates the red & blue color.


The most likely cause is shorted convergence chips and possibly a few pico fuses.

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 a convergenece repair kit with instructions from the links below.

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

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*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

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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Need the model number to help as I am not sure of you have a RCA or a Toshiba

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You could replace it yourself. I had it done recently and the local repair shop charge $400 to do it (including cost of the chip).

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your problem is in the high voltage circuit.change your flyback it has a short.also check around for open diode in the same circuit.good luck

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replace convergence ic,s part # stk392-110, you will need two of them.

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go tothe menu, caption, take it off the text mode. this should solve your problem

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