Question about Toshiba 55HX70 55" Rear Projection Television

Blinking power button

I have a 10 year old toshiba rear projection tv. The picture and sound went off and the power button is blinking.

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Anonymous Mar 13, 2014

toshiba rear projection tv has sound but no pic
Anonymous Mar 20, 2014

I have a mitubishi 1080I projection tv the picture has started blinking like an eye blinks
Anonymous Mar 20, 2014

My mitsubishi 1080I projection tv picture blinks in and out like your eye blinks but does not go black and the sound is still there, everyting works but the blinking picture

1 Answer

Dewayne Turner

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87 Answers

You likely have bad convergence output IC's that have caused one of the supply fuses to blow. This repair will have to be performed by a qualified technician. If you were in our area and has us repair this the total cost of the repair would be about $340 if I am correct about the cause of your problem.

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Posted on Aug 02, 2007

cyndi Aug 07, 2013

all the fuses appear to be fine all the fuses appear to be fine

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I had the same problem after replacing several things and still having same problem, it ended up being a capacitor.

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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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I have the same TV, your projection bulb has quit/failed.

A loud pop was heard and the picture has gone followed by a red led fault light clicking on and off.

if your tv is less than 1 year old, and you registered it with Toshiba, you could qualify for a free replacement.

otherwise expect to pay 200.00 for a new bulb from Toshiba.

only good thing is you can replace it yourself, only tool needed is a phillips screwdriver.

you can check EbaY for prices less than 175.00 to 150.00
i am on my 3rd bulb within 4 years....

good luck!

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sounds like loose connections on the convergance amps ic's
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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also check the horizontal o/p transistor for short if ok ,look on the deflection board and see if there are any b+ voltage markings and test with meter for b+.

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If you have the owners manual look on page 64 and see what it says there about the light lighting up in the front of the unit. if you do not have the owners manual, you can get one for free here: http://tacpservice.toshiba.com/ConsumerProductSupport/Manuals/TV/2004/52-62HMX84_E_R1_093004.pdf

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Blinking power button

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Dewayne Turner

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