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Hitachi 42" Plasma TV 42PMA330A Television plasma is excellent in the sounds , nice deep and rich BUT the picture , it is clear but on start up it is fuzzy until the tv warms up and only happens sometimes and then the picture starts to flicker intermittently it also has a buzzing sound coming from the back. Please help me to sort this problem

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5 Suggested Answers

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SOURCE: Rear Projection... Hitachi tv

humm.. could be a crt or a high voltage problem..flyback transformer or high voltage splitter... have a tech check it out for you.

Posted on Dec 07, 2007

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

holborn
  • 17 Answers

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

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

  • 1 Answer

SOURCE: I have no audio on my 42" Samsung plasma tv

This happened to me also. It had to be taken apart. The audio connector on the motherboard had come lose. Hope this helps.

Posted on Feb 07, 2008

  • 26 Answers

SOURCE: Plasma TV buzzing

If the adjustments on the power board are correct and if you are not at high altitude, the plasma display panel is defective. If the set is off warranty, it is not cost effective to replace the display panel. If it is off warranty, you should give the manufacturers Customer Relations a call. The phone number is usually right on the back of the tv. The manufacturer of the tv might make a warranty concession if they are concerned about their brand reputation. Some manufacturers find it less expensive to just switch brand names rather than make good on defective products. If all else fails, you might get some money back by selling the circuit boards on eBay.

Posted on Feb 20, 2008

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I have a 42 inch Hitachi plasma tv that is making a very loud static noice coming from the internal speakers. It stays at a contstant very loud volume unless I completly mute the tv or turn the volum


Based on what you have tried if a buzz or loud static via the speakers you have something wrong in the audio output circuit of the set--problem here is that circuit may be part of the Main board that processes all signal---a look inside---following the speaker leads back would lead you to that board.

A simple thing to do to narrow it a little (you may have done this) is with sound all the way off put your ear to the internal speaker--hear anything at all like a deep hum?

Depending on age of set and cost of the board likely bad it may or may not be a do it yourself repair.

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