Question about Toshiba TZ50V51 50" Rear Projection Television

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No video No audio, Red light blinking TZ50V51

This seems to be a "common" problem,, a friend has the same thing with his
TZ50V51. Red light,,, then red blinking light,,, then on shutdown, you do see a quick flicker on screen. Some times ,, you can not turn off/shutdown, red light stays flashing until you unplug unit.

Has anyone found and fixed this problem ?

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  • greg r
    greg r Mar 13, 2008

    went to convergence problem web sight,,, it showed problem as being distorted picture quality,,,,, not a dead unit ,,,,

    This tv worked fine when it worked,,, now it just will not turn on.

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Sounds like convergence area problem.

Posted on Mar 13, 2008

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My toshiba model# TZ50V51 is showing a severe convergence problem after a power surge it's the bottom half of the screen. I can't line up the red (it's offset up) and it won't come down at all using the...


Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.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

Apr 20, 2011 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

Tv stopped working and red light started to blink


this problem can be solve by changing the 2 IC of convergence. part # STK 392-110. It would take 30 to 60 minutes to open change and reclose.

Apr 23, 2010 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

I have a toshiba tz50v51 projection tv. the red power light is on


It could either be due to the convergence Circuits ( If the Power Indicator Blinks) or the power deflection board if it doesnt blink. I have a source for parts if you would like the link.

Jun 20, 2009 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

Toshiba TZ50V51 fix blinking red light


it took me a lot of time to understand the circuits on the toshiba they are not ease to fix but you may be able to get a tech for 300,00

Jul 20, 2008 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

Red Blinking light


if you have some knowledge about the toshiba tv you may get it to work there are some resoldering and you have to replace 2 ic along with 2 fuses

Jul 20, 2008 | Toshiba TZ50V51 50" Rear Projection...

3 Answers

Toshiba blinking red light


YUp i have the same prob 2 How can We fix it?

Jun 24, 2008 | Toshiba TZ50V51 50" Rear Projection...

2 Answers

No audio or video


Your set is going in to protective shutdown something in the start up voltages. This is something you would need a manual for. I have a linkt that has the start up circuit and shutdown diagnosing for your set if you would like me to post a link let me know

Mar 11, 2008 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

Toshiba theaterview tz50v51


my guess would be flyback however your lucky you might be able to see a burnt spot on the board giving you a better clue.

Nov 25, 2007 | Toshiba 55H70 55" Rear Projection...

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