Question about Toshiba 57H81 57" Rear Projection Television

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Tv won't turn on

I have a toshiba 57h81 tv, that won't turn on. the red light on the front blinks when trying to power up. any suggestions other than what is already said in other posts?

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  • Anonymous Mar 27, 2008

    I have the same problem.

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  • Toshiba Master
  • 8,617 Answers

You will need a service manual to troubleshoot the set to be able to find whats going on with it . Its in shutdown mode with the led flashing. A good manual is available at this link.
http://servicemanuals.vstore.ca/

Posted on Mar 19, 2008

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Posted on Jan 02, 2017

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57H81 57 in. Rear Projection Television: My Toshiba model 57h81 is 5+ years old. It just s...


I had the same issue with my 57 in. Mitsubishi. I fixed it by buying a new projection bulb. The Mitsubishi manual indicated this was the fix for my Mitsubishi TV. Be advised that new projection bulbs are not inexpensive. My TV works like new once the projection bulb was replaced.

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Toshiba 57H81 Blinking power light


Greetings,

Power supply cannot sustain / provide juice to the whole system.
If you are qualified to do electronics, check the power supply section, otherwise contact a repairman.

Keep us posted and thank you for using our service.
FixYa for all your troubleshooting needs.

Jun 29, 2008 | Toshiba 57H81 57" Rear Projection...

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Red light on front power is blinking, pinkish color and long time to warm up before it went out.


your crt bulb is out and this repair is costly it would be cheaper to replace with a flat panel tv

Oct 19, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Red power light continuously blinking. no picture no sound.


It could be the lamp went out and needs replacement. The Toshiba website states when this happens to unplug the televison for 10 minutes then plug back in. If that does not work then try another power outlet. If that does not work then call for service

Sep 12, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Pop sound and now no picture or sound still gets power


Try disconnecting all the cables from the TV then reconnect them after a few minutes. It's suggested that you connect the power cable from the TV directly to a functional wall outlet.

If still there is no picture on the TV then it's required to replace the projection lamp.

Sep 08, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Blinking power light & black screen on toshiba 57h81


This TV could have one of several problems including but not limited to; convergence IC's,bad capacitors, shorted horizontal output transistor. Call a good TV Tech. Check with the BBB before you decide on one.

Jul 11, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Toshiba 57H81 57" TV Power


I have a toshiba 55hx70 same problem,repair guy just left said it was the power supply and wasnt worth fixing 350 to 400 dollars The tv is 9 years old and they wouldnt even take it to shop. Its been a great tv firs thing to go wrong.. Wo nder if I could replace it myself???

Dec 22, 2008 | Toshiba 57H81 57" Rear Projection...

1 Answer

Toshiba 57h81 red light blinking


Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Jun 14, 2017 | Toshiba 57H81 57" Rear Projection...

1 Answer

Blinking red light


Your TV is in shutdown. Unplug the set from the wall and wait 30 seconds. Apply power and see if the set comes back on. If the problem is the same (red blinking light) then you need to call a repairman. The most likely suspects are the convergence chips , vertical loss, power regulator or horizontal circuit problems. The shutdown circuit monitors multiple circuits for voltage and current malfunctions. That is why you need someone trained to troubleshoot the problem. Good luck!

Nov 23, 2008 | Toshiba 57H81 57" Rear Projection...

3 Answers

Toshiba 57H81 Blinking power light


This sounds like the typical toshiba power regulator ic fault. it begins with an str##### Its not something a handyman should try to tackle. It should be repaired by a quilified repair person Sorry Good Luck

May 22, 2006 | Toshiba 57H81 57" Rear Projection...

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