Question about Panasonic TH-42PD50U 42 in. Plasma EDTV

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Loud noise when i turn my plasma on it blinks green 10 to 15 times then starts making a loud continuous nois, and the tv never turns on. i just got it out of storage also...

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  • antonioacost Oct 05, 2008

    I have a sinilar problem, I just got my tv from an overseas move back to U.S. When I turn the tv on, everything works but I get a loud continuos noise comming from the area of the speaker, the sound is two tones a pause, and then the two tones again. Even with the speakers turned of it still makes the noise.

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  • Panasonic Master
  • 5,568 Answers

You MAY have some condensation in a high voltage path inside.
The noise might well be from leaking high voltage.

I recommend you let it climatize for a couple of days before trying it again, otherwise you may damage circuitry not normally involved with production of the HV.

Posted on Apr 07, 2008

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TV turned off by itself today, It initially makes a clicking noise, the green power light flashes and goes out after 2-3s hear 2nd click and nothing happens. No red blink lights, nothing.


These 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://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
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Hi,
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