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Toshiba 50hp66 Plasma TV won't turn on

Problem is the TV wont turn on. Prior to not turning on the screen flickered black and white with a clicking sound. Now when I plug the tv in a power cycle of clicks are initiated. After a few clicks there is a few second buzz and the cycle continues. What is observed during the cycling is the red standby light illuminated which switches to green and then turns off after buzz. With back open, the clicks come from the power board as 2 green lights illuminate and then the Y-SUS board begins to buzz.

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6ya6ya
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Posted on Jan 02, 2017

zjut
  • 106 Answers

SOURCE: panasonic th-42pa20 plasma 42 inch tv

Try to replace the Main Power Supply board first.

Posted on Jan 01, 2008

  • 1894 Answers

SOURCE: panasonic th-42pa20 plasma 42 inch tv

was that capacitor damaged?

Posted on Jan 11, 2008

SOURCE: Lg tv will not turn on, red light

i think your bulb is shot must be replaced

Posted on Apr 29, 2008

  • 223 Answers

SOURCE: Toshiba 50hp66

I think that the pop you heard was an electrolytic capacitor blowing its top on the picture frame board. If you are able to check this for yourself by looking on the board for the one/s with a bulging top or are a brownish/black colour like something has caught fire. And also in this situation smell can be of great help as it will smell burnt out but PLEASE before putting your nose or anything else in the tv take all necessary precautions against electric shock and discharge any electrolytic capacitors in the vicinity. If you are not able to do this yourself find a competant technician. Hope this helps.

Posted on Oct 07, 2008

welcomejee
  • 10594 Answers

SOURCE: Sony KDL-46V3000 Bravia LCD Black screen

Please count Sony KDL-46V3000 standby light blinks as there would be interval of 3 seconds between blinks. Let me know how many times light blinks as its an error code.

Posted on May 17, 2009

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My toshiba 50 inch plasma tv model 50hp66 powers on but has no sound or picture


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
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1 Answer

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I think that the pop you heard was an electrolytic capacitor blowing its top on the picture frame board. If you are able to check this for yourself by looking on the board for the one/s with a bulging top or are a brownish/black colour like something has caught fire. And also in this situation smell can be of great help as it will smell burnt out but PLEASE before putting your nose or anything else in the tv take all necessary precautions against electric shock and discharge any electrolytic capacitors in the vicinity. If you are not able to do this yourself find a competant technician. Hope this helps.

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1 Answer

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did you get your tv fixed? have same problem last night...a loud click and then blank screen and just tries to turn on, can you email at res116@comcast.net

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I would suggest to read what other members have reported by clicking here.
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