Question about Toshiba 57H81 57" Rear Projection Television

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Power light blinks at one second intervals

My Toshiba 57H81 stopped working and now the only thing I get rom it is the power light blinking once every second.

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  • Anonymous Dec 06, 2007

    This just started on my 57H81 as well. It wont turn on and the power light just blinks.

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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 Dec 19, 2007

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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.

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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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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

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No good news here sorry!

Power board and video X and Y boards need intervention If you are going to take a look you will find that one or even both boards have blown capacitors and burn marks along the transitor

You might be able to claim it as fusion on your insurance policy ( parts only usually) but thyat at least is some relief


Please rate our help to kepp the FREE service online ++++

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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.

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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.

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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

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