Question about Projection Televisions

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My rear projection tv will not display any images on the screen. The unit will power up and I can hear the audio but I can't see any images.

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  • montyrat Jul 08, 2008

    SAME PROBLEM ,BUT MINE COMES ON FOR ABOUT 5 MINUTES AND THEN FLICKER A COUPLE OF TIMES AND THEN GOES OUT.

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Try resoldering the Vertical output IC

Posted on May 03, 2008

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My tv toshiba 51'' rear projection wont come on, no sound or image but i hear a click when turn on and off.


most common reason is convergence problem--unsolder both chips and see if set will power up with them out of the circuit.

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Thats the error for having a issue with the +5V which can be caused by either the A board or the B Board with the B board being the most likliest cause.

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1 Answer

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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,Akai2_bing.gif,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...

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

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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not enough power, you may need to rebuilt or replaced the power board

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Tv below listed on ebay i'm interested in buying not sure if worth or what repair would be?


Depends on how much do they want for set repair cost verys anywhere from 250 up to 375.00.Set might only need to realine convergence on customer level.

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