Question about Toshiba 57H82 57" Rear Projection Television

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50h72 toshiba big screen

I HAVE A SYNC PROBLEMS IS NOT CONVERGE PROBLEMS ITS LIKE
INTERFERENCE BUT SEE LA HORIZONTAL TRANSLAPE
THANKS FOR HELPME

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It's in the hyper module and you need to have replaced several small smd capacitors 16v/10mf with some mini camcorder caps is easiest.
Bill

Posted on Nov 02, 2008

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1 Answer

Blue light (RGB) will not converge (Toshiba 50H72)


Look around the area of the STKs and you should see some low valued resistors. One lead of which will be attached to the STKs. One or more of these is open. Replace it/them and you should be fine. These are current limiting resistors (effectively fuses) for the power to the STKs. One of them is not getting power.

Dan

Jan 23, 2009 | Toshiba 43H70 43" Rear Projection...

1 Answer

TOSHIBA 50H72 50IN. REAR PROJECTION TV BLUE COVERGANCE PROBLEM


you have a convergence ampliphier ic failing that will need to be changed and then adjusted
average repair cost for this are 280.00 to 320.00

Jan 20, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

The red seems to be out of place on my toshiba 50h72 projection t


Replace both convergence ICs they are stk392-110 you will also need at least the six 1.8 ohm 1watt resistors. You can get replacement ICs and resistors at the following link and they provide free installation instructions so you can do the repair yourself.
heres the link.
http://servicemanuals.vstore.ca/

Jan 18, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

I have a toshiba model 50h72 double vishion


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

Nov 12, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Red & Blue lines on screen


stk392-110 i think mine was made in 2002 and i also had to replace mine

Oct 26, 2008 | Toshiba 50H72 50" Rear Projection...

2 Answers

Toshiba 50h72


STK392-110 Convergence ICs you will need two of them. You can get replacement ICs with free instalation instrcutions at the following link.
http://servicemanuals.vstore.ca/

Jun 22, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Toshiba convergence issue model # 50H72


looks like this is your problem http://www.fixya.com/support/t348123-toshiba_50h72

Mar 22, 2008 | Toshiba 50H72 50" Rear Projection...

2 Answers

Put new ic chips in and the problem still exsists


Many times when the convergence modules go bad, they blow some of the resistors that feed it power. Look for little small low resistance resistors right in the vicinity of the modules.
Hope Ya Fix It.

Feb 08, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Red convergence will only move up or down


Stk392-110 red convergence IC is bad...normal procedure===

1) pull chassis   2) replace both Stk's for reliable repair

3)re-assemble  4) re-align convergence

 

If you hire a technician, 400.00 is ave. price.

Oct 16, 2007 | Toshiba 50H72 50" Rear Projection...

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