Question about Toshiba 50H81 50" Rear Projection Television

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Toshiba 50h81 Red Blinking light

I recently got a Toshiba 50H81 free. It will not turn on and has a blinking red light. Many people have said it is a "board" or that it needs re-soldered in a couple of conections. I want to try to fix it my self to save some money. What is the board and how easy is it to replace. How can I be sure thid is what is needs? I am comfterble soldering and working with small wires but I just don't know what the problem is. Please help with any suggestions.

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  • vanman22 Jan 29, 2008

    I have same problem, blinking red light. where are the convergance IC's located? also, can a schematic be provided?

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

Posted on Jan 08, 2008

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1 Answer

Toshiba 50h81 Red Blinking light


The protection circuit has been activated and has taken over the power management. It means there is a shorted condition somewhere in one of the 8 or 10 major sections of the set.

The repair involves downloading the error codes into the Toshiba test box and from that determine what section failed and why; then troubleshooting and repairing.

It's a job for a trained tech with the right instruments. The problem could be something as simple as a shorted electrolytic cap in the ripple filters of the main power supply to a massive failure of the high voltage - which is expensive

also see this post and this link is your owners manual

Dec 02, 2007 | 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

No picture and the power light blinks


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.

Oct 04, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba theaterview 51inch


I had this happen. The power cord in the back of the T.V. ended up being loose. I fixed that and have'nt had a problem since.

Jun 09, 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

Tv won't come on


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


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...

3 Answers

Toshiba 50H81 Re Blinking Light...wont work


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

May 07, 2007 | Toshiba 50H81 50" Rear Projection...

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