Question about Toshiba 50HM66 52" Television

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Picture goes diagonal

After watching TV for a few hours, the picture will distort diagonally. The picture will continue to distort further every few seconds. The sound is not affected. If you turn the TV off for a while, the picture will be fine.

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  • Toshiba Master
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U know how to solders?Ur convergence it dead,must replaced.Tries these websites for convergence kit.Tv repair World.com,Tv repair kits.

Posted on Nov 13, 2009

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Posted on Jan 02, 2017

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1 Answer

Can't figure out how to put the eye-pieces (3) on our Selsi Telescope 335x.


All eyepieces go into the FOCUSER end of the telescope. You never said if this is a REFRACTOR or a REFLECTOR style telescope.

On a refractor you have a lens in the front and the focuser in the back.

On a reflector the focuser is on the SIDE of the telescope near the front end.

The diagonal goes in first --- and the eyepiece goes into the diagonal -- if this is a refractor style telescope. Here is a picture of the DIAGONAL.
http://www.telescope.com/control/accessories/telescope-diagonals/1*25-inch-orion-enhanced-mirror-star-telescope-diagonal

Jul 11, 2010 | Optics

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Picture was fine, then lines diagonally, now light


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

Oct 10, 2009 | Mitsubishi WS-55909 55" Rear Projection...

1 Answer

I have Diagonal lines moving across the screen.


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,Pioneer2_bing.gif 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.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 15, 2009 | Toshiba 51H83 51" Rear Projection...

1 Answer

Sony 65" Rear Projection loses picture, then gets diagonal lines


This is common problem on this tv, picture tube is bad. Blue and green is more % bad.
Thank you

Aug 07, 2009 | Hitachi 51F59 51" HDTV Projection...

1 Answer

Corner tints and white lines


it can be a picture tube problem. moreover, check if your tv is dusty inside it . clear it with blower and try again.


regards,

Jul 31, 2008 | JVC AV-32120 32" TV

1 Answer

Diagonal green lines on a green screen


It is possible that the electron-gun inside of the CRT is having an intermittant short. It is also possible that there is an intermitttant failure in the bias or drive circuits for the CRT electron-gun.

The TV service tech would have to run some tests to determine the actual fault, and then the failed components.

If the CRT is at fault, the set will not be worth to service.

Jerry G.

Apr 25, 2008 | Televison & Video

1 Answer

Diagonal lines moving from bottom to top


sample of a line diagnally from bottom to top of page.

Dec 20, 2007 | Gateway LCD30TV Television

1 Answer

Diagonal distorted picture


convergance amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Dec 14, 2007 | Toshiba 50H72 50" Rear Projection...

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