Question about Toshiba 55H70 55" Rear Projection Television

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No picture When we turned on the TV it made loud crackling, poping noises and the power red light was just flashing. The sound is fine just no picture.

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Sounds like high voltage arcing,/flyback,focus block,h.v. anode lead etc.

Posted on Sep 08, 2007


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Loud buzzing sound from tv with no picture

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I have same problem with mine, the power button turns red (as usual) but no picture. When i turned mine on last night it made a crackle noise and thats how it all started. I can even hear the normal sounds it makes as if it were turning on, but still no picture. Its a great tv I would hate to throw away. I want to fix it myself any help would be appreciated!

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Makes crackling noise then switching off picture green light stays on tho after half hour tv goes back on lasting a few hrs its like its overheating? if it was is this something that can be fixed?

put a towel underneath. that will disipate the sound of the cabinet poping. not overheating normal for the cabinet when cooling down to shrink and make poping noise.

Mar 22, 2011 | Televison & Video

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Set was on and made a loud pop noise and the picture went off. the red light was flashing and no picture. then it made a strange buzzing type of sound a few times. turned off for a couple mins and then...

It sounds like your screen inverter has just gone >bang< unfortunately.
Most screens inside use 2 main circuit boards, and you are most likely going to have to change one of them.
It's possible also for it to have been just the backlight bulb making the loud pop noise too. The inverter may have given out too much power and blown the bulb (a lot like you hear when a house bulb goes bang).

If you can't actually hear any TV sounds (normal sounds like music, voices etc. when they should be there), then it means the problem is more serious, and would need a specialist repair place to check out the electrical circuit inside.

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I have power but it will not turn on. unplugged from power cord overnight then plugged into wall worked fine until i shut it off again, now it keeps blinking the delay light

go to turn tv on,hear a poping noise,once then tv standby lite blinks 3 times repeatily but no picture or audio.can you help me out with this thank you

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The power button is flashing red...

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Screen went dark

Ur video ic inverter board is dead.
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Aug 25, 2009 | Televison & Video

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Red power light flashes. tv won't turn on.

how old is your tv?? ours was 2 1/2 yrs old it was a 40in lg hd ready lcd tv it just crackled and turned off one night same as yours it would turn on but with no picture or sound....we took it for repair and they said it was something inside that is basically impossible to would have cost more that the tv itself. BUT trading standards say a brand new tv should last upto need to get a free qoute nd if they cant fix it contact trading standards and the tv MANUFACTURER not the shop where you got NEED a reciept to do this for proof of when you purchased it...hope this helps :0)

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1 Answer

Red light flashing while green light stays on

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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