Question about Toshiba 50H81 50" Rear Projection Television

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No picture and the power light blinks

My toshiba 50h81 has a great picture and very few problems.but now there is no pictur no sound and the red power light just blinks i took the back off and it dose not look like any thing is disconnected or any blown fuse but i dont really know what im looking for. please help i can afford a new tv

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A red blinking light could mean that the lamp timer is at it's limit and it is time to change the lamp. You will also have to reset the lamp timer by pushing and holding down 2-3 buttons on the tv or remote. Refer to your user guide for the proper way to reset and or change your lamp.

Posted on Oct 04, 2009

  • Jeramie
    Jeramie Feb 09, 2011

    this is NOT a DLP. Nice try though.

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The screen on our 50H81 Toshiba is blank, there is no audio and the red light by the power switch is blinking at a rate of one blink per second.


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

Apr 17, 2010 | Toshiba 50H81 50" Rear Projection...

1 Answer

My Toshiba 50H81 screen black, no sound & power light blinking


sounds as if your power supply needs to be repaired. the capacitors over heat and crown or leak.

Jan 01, 2010 | Toshiba 50H81 50" Rear Projection...

1 Answer

When we turn on our Toshiba 50h81, it will work ok for 45-90 minutes, then without warning, the picture and sound will go off and the power light blinks. We have to let it set for awhile (I've never timed...


These Toshiba TVs have a problem on the power board that causes this issue and it is a common one. There are several capacitors on the power board that seem prone to coming loose over time. When they lose connection for a moment the TV's protection system steps in and cuts off power. This causes the 'blinking power light' issue. The last one I repaired was a 43V71 model and I re-soldered one loose capacitor on the power board and it has worked perfectly ever since. Toshiba put out a service bulletin on this problem. It is well known and well worth fixing.

Nov 11, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Have a toshiba model # tp55h95 tv. The power light is blinking


Something is keeping your power supply from starting up. Bad capacitor...most likely. Replac 'em all! They're cheap!

May 21, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

How can I fix it


its definately a power supply issue. You may want to get a service manual for your model as it will have the info to trouble shoot the standby and start up voltages. You can get a manual emailed to you at the following link and they will help you trouble shoot the set. Heres the link.
http://servicemanuals.vstore.ca/

Jun 08, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Blinking light


it is in shutdown mode ,
loss of 15volt regulator or high voltage issue.

May 06, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Red light flashes no picture or sound. Likely causes?


did your TV just cut off in the middle of watching it and it want come back on. My red light beside the power button flashes also.

May 06, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba 50H81 Has Power but No picture or Audio


ok i'm goin to need more info about your problem. you stated fuses and didn't say the location numbers of the fuses. Also, have you rechecked your fuses to see if they are all still good? 3 fuses sounds like more then one problem. once you tell us your loc#'s of your fuses, we can look into your problems.

Apr 07, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba 50H81


most commom problem is convergance ic gone bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 08, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

No picture no sound and power light blinks.


Did you check the supply fuses to the convergence ICs? Did you check the output resistors
other wise i would replace the convergence ic first.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 08, 2007 | Toshiba 50H81 50" Rear Projection...

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