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No picture and only buzzing sound coming from plasma with cracked screen

My otherwise brand new set has a crack in the inner screen, no picture and only a loud buzzing sound coming from within. I’ve found parts dealers but most have little if any part descriptions. Is the inner screen replaceable and is the crack causing the buzzing sound? Any help would be appreciated very much.

I have the same problem. After buying my Hitachi 42" plasma, 8 months later while watching TV, it blacked out. I later found a crack on the inner screen with no picture and only a loud buzzing sound coming from within. What could have caused the crack? Is it fixable or is it better to buy a new Plasma? What would the average cost be to fix it?

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  • Anonymous Mar 22, 2014

    Power light comes on, but there is no sound or picture. There is a faint chirping sound coming from the TV. I believe this TV is about 8 or 9 years old. The question: is it worth repairing or better to buy a new one? Thanks,
    Ken

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Most of the times this type of damage is due to panel overheating. This can occur due to many situations but most offten is due to internal mulfunction of some of the high power/voltage driving circuits. You can only hope that the dealer will replace the set under warranty. Do not settle with a repair.

Posted on Feb 07, 2008

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Sounds like you may have a high voltage arc and / or leak . better to let a manufacturers qualified technician have a look at it this time . ask for an estimate after diagnosis and before repairs are made. factor age plus repair cost v/s a replacement tv . also in the area where i live most in shop repair estimates are cheap or even free . field repair estimates are definitely not . all tv parts can be replaced but, screen replacements can get expensive . barring neglect , abuse or a significant power surge you should not be having these problems on a tv so new. double check your warranty. most electronics come with 1 year on parts ,90 days on service. some warranty limitations are not allowed in certain states. also contact the manufacturer . in my expierence some of the better companies have honored an expired warranty partlialy and sometimes even fully on a relatively new product . after all they do have reputation to lose or keep . just be courteous and if your lucky they will be too. but if all else fails, i personaly prefer lcd flatscreen . oh , about the screen crack , clean and position your tv according to the owners manual . some of todays televison components are even more thermaly and chemicaly sensitive than ever . ie; window cleaner can whiten or even crack certain types plastics. finaly if you are not using a good surge protector now may be the time.
good luck

Posted on Feb 07, 2008

Normally cracking is caused by uneven thermal expansion between the plasma panel, the bezel, and the mounting equipment that holds all of them together. Or by dropping the damn thing. In any case, if the panel is cracked and not under warranty, you might want to try to get hte manufacturer to replace it. Otherwise, don't pay for a new panel, as the cheapest ones run 500+.

Posted on May 30, 2008

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