Question about Toshiba 50H81 50" Rear Projection Television

3 Answers

Toshiba 50H81 Re Blinking Light...wont work

This afternoon, I discovered that my Toshiba 50H81 has a problem. When I power the tv on, the red power light simply blinks. I called Toshiba and the friendly person who answered the phone told me that I needed service. Their assistance was overwhelming. (sarcasm alert) I contacted two local repair shops. The first estimated, over the phone, that the repair will most likely cost $350-450. The second shop was not very helpful and warned they might not be able to get parts because the tv is y yeras old. I searched the Net and found similar problems. Several people reported IC convergence issues and blown fuses. I took the back of the set and quickly realized this is something I cant fix myself. I welcome any feedback or suggestions. Is it worth fixing such a 7 year old tv?

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  • spill54 Dec 08, 2007

    50h81 no picture and no sound, power light blinks.

  • Anonymous Dec 17, 2007

    My 50H81 is doing the same thing, blinking power light. If I unplug it, it sounds like it is trying to fire up, then nothing but the blinking light.

  • hllp Dec 27, 2007

    there are 3 fuses, I checked all via ohm meter with a good reading but still having the LED switch blinking. Any idea. Mine is TP50F60 about 10 years old.

  • Anonymous Dec 31, 2007

    hi, I have the same problem here, red blinking light... purchased mine Nov, 2001, its been a good set up till now. I'd prefer to just fix it rather then going down the route of figuring out what to replace it with.

  • gregstan Jan 07, 2008

    Same problem as the others. Red blinking light no picture. Have had the TV for 5-6 years. Any ideas or where I can go to get it repaired or what is broken?

  • lmelton Apr 11, 2008

    we have the same symptoms....red flashing light no picture or sound. Does anyone have a solution?

  • Anonymous May 08, 2008

    Same blinking red light. Replaced ic convergance amps and it worked for a day. Blinking back on no pic or sound.

  • Gego-303 May 22, 2008

    I am having the same problem. I just want to know if it is worth paying to get it fixed, or just getting a new TV.

  • Anonymous Oct 11, 2008

    I have a 55 Inch Toshiba - same issue but has worked for months but you have to unplug and then replug in and it works until the next shut down.  Then repeat.


    I have a tech coming out this week - any idea on the cost or likely diagnosis.




  • Anonymous Jan 21, 2009

    have a toshiba TP5581A tv turns on and off right away. R439 part on board is melted could this be the problem?

  • peter95133 May 11, 2010

    vs50707 set keep shutdown,unplug for 5 munite then plug it back

    turn on work ok .some time work for few days no problem,but it keep happen some time?

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3 Answers

It is in stand by mode, chech your settings...all of them return them to mfg default then go from there

Posted on Mar 14, 2008

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Best advice is go get a manual book on how to fix tv

Posted on Aug 18, 2007

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Mine is Toshiba 55 TZ, have it since 98', shutdown and red light blinking problem, search the net and found out, generally a Convergence IC (stk392-110) problem. bought 2 for $15 at suburban-elect.com (ebay). replaced following direction from http://www.casiasfamily.com/repairlog/tp50h15.html

Open back cover, 9 screws and wirings (pls mark), removed(soldered) a electronic board infront of convergence ic. removed IC (stk392-110) (screwed and soldered).

Replaced everything and voila...! it is now working again..
no more shutsdown and red blinking light. Saves me $400 for a repariman. of course just be careful with static and stuff.

I don't know how to solder, so I ask friend to do it for me. But I did the rest. Just to give you an idea that it can be done even if you don't know much about electronics. This in no way a recommendation but just stating my experience. Follow at own risk.

Posted on Mar 17, 2008

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Red led blinking. tv wont turn on model number


Hi Rick,

First of all, thank you for posting your question here at Fixya.
My first advice is to unplug the unit from the outlet at least 30 minutes to reset itself and check if the symptoms still persists. If yes, may I know if it encountered before then there's some instances that the unit will power up after a few minutes of pressing the power button key?
Also, please double check the model number of your unit, if I'm not mistaken, it is 50H81 not 50H87.
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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.

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Recheck all of your solder connections for bridging and cold solder joints. Check the large output resistors under the heat sink and the smaller ones to the left of them. Check all of the fuses on the power board. And make sure that you check all of your connectors carefully. Also check that you didn't pinch a wire somewhere.
I am not being mean by saying that if you could power up before then more than likely the power up issue was caused by something you did.

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Mine is Toshiba 55 TZ, have it since 98', shutdown and red light blinking problem, search the ned and found out, generally a Convergence IC (stk392-110) problem. bought 2 for $15 at suburban-elect.com (ebay). replaced following direction from http://www.casiasfamily.com/repairlog/tp50h15.html

Open back cover, 9 screws and wirings (pls mark), removed(soldered) a electronic board infront of convergence ic. removed IC (stk392-110) (screwed and soldered).

Replaced everything and voila...! it is now working again..
no more shutsdown and red blinking light. Saves mo $400 for a repariman. of course just be careful with static and stuff.

Feb 29, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba 50h81


it happens to my toshiba.. once in a while and gradually shutsdown every minute during the last 2 mos..

Mine is Toshiba 55 TZ, have it since 98', shutdown and red light blinking problem, search the net and found out, generally a Convergence IC (stk392-110) problem. bought 2 for $15 at suburban-elect.com (ebay). replaced following direction from http://www.casiasfamily.com/repairlog/tp50h15.html

Open back cover, 9 screws and wirings (pls mark), removed(soldered) a electronic board infront of convergence ic. removed IC (stk392-110) (screwed and soldered).

Replaced everything and voila...! it is now working again..
no more shutsdown and red blinking light. Saves mo $400 for a repariman. of course just be careful with static and stuff.

I don't know how to solder, so I ask friend to do it for me. But I did the rest. Just to give you an idea that it can be done even if you don't know much about electronics. This in no way a recommendation but just stating my experience. Follow at own risk.

Feb 05, 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...

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Toshiba 50h81 Red Blinking light


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Apr 02, 2007 | Toshiba 50H81 50" Rear Projection...

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