Question about Philips 43P8341 43" Rear Projection Television

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After pushing the on button,switch lights up, then set make's

I push the button on the front of the set,..it lights up but then a high pitch buzzing accures,and repeats itself over, and over,light on the front ...then it shuts off, and the light on the front of the button blinks on, and off....thank you for your time..

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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jomaru
  • 337 Answers

SOURCE: Power up then off, no picture, blinking red LED

The high voltage does come up but the set goes into shutdown because is sensing a problem somewhere in the set,the shutdown circuit gets activated when the high voltage is too high, a problem in the horizontal deflection circuit or because there is a problem in the secondary of the output transformer,this transformer helps develop voltages supplies and if one is missing the set senses the problem and shutsdown,there is another possibility and is related to the picture tube,there is a resistor in the crt board ,it should measure 51 ohms only ,sometimes it opens up and gives you same symptom.If you are familiar with tv service you can check this resistor and be alert of the other possibilities,if you are not too familiar be safe and get assistance from a servicer. Let Us know how it goes,or if you need more information.

Posted on Oct 26, 2006

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SOURCE: TV LED Flashes then TV shuts itself off

capacitor problems in power supply or a regulater isolate the power suppley by disconecting the line output stage/unplug scan coils for example and run a 60w bulb as a dummy load one wire to earth and the other to rail voltage colecter of line output transister if the bulb glows steady the power supplys fine

Posted on Jun 25, 2007

Kazong
  • 152 Answers

SOURCE: assistant

check your sleep timer settings thats the most comman prob

Posted on Dec 18, 2007

  • 1 Answer

SOURCE: Power light on but no picture

I've got the same problem. No sound, no picture, just a green light. The light comes on when its plugged back in. No buttons work. Occasionally the light flashes off.

Posted on May 30, 2008

bobjrdns
  • 84 Answers

SOURCE: tv wont turn on

your tv is in shutdown mode replacing the power suply module may corect this problem

Posted on Oct 18, 2008

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