Question about Philips 42PF9630A 42 in. Plasma Television

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Philips 42pf7321d/37 blinking power board question

I have a philips 42 inch plasma 42pf7321d/37.
I had the problem with the blinking Red LED light in the front and then I read on philips website this :"
The latest software solves the issues below:

  1. TV (Plasma 42” and 50”) will not turn ON/shut off itself and Red LED blinks 4- times. Recover if main switch on/off.
so I downloaded the update, put on thumb drive and put in slot on computer and now no more blinking led on front.. Problem was not fixed so I opened the back up and noticed that when I first plug the TV in, I get the 2 LED lights at the bottom of the power board to come on and then go off. Also I get the 2 LED lights in the center bottom and top of the main unit (the one with all the AV connectors) and then the board underneath that same board just mentioned has 2 lED lights that turn on( LED 2010 and LED2011, LED 2010 stays on constant, the other blinks once and then both turn off all within about 2 seconds). And then the LED on the Power board blinks 3 times with a 3 second pause. When I push the power button, I continue to get the blinking alarm led on the power board but the other 2 leds at the bottom of power board do not come on again. neither do the LED 2010 and 2011 mentioned earlier. The only ones that come on are the 2 leds that are on the board that is attached to all the AV inputs. I hope this helps and I hope you can help me. If you need any additional info, please ask. also, I am not an electrician so unfamiliar what some of these boards are called. Figured some out by pictures online so any feedback please don't be so technical I don't know what you are talking about.

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  • ssgkillion Aug 17, 2008

    figured it is probably vscan so I did what you reccommended in another post and pulled cable and TV stays on but without picture. So what do I do from here???? I am not an electrician so please keep comments to where I could understand them. Thank you.

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  • 138 Answers

The probleis with one of the maina boards and trouble shooting would have to be done to see which board is bad.

Posted on Aug 19, 2008

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When I power on my 42PF7321D/37 Philips Plasma TV the green LED comes on then turne into a flashing red LED. Flashes 4 times then space then four times. TV will not turn on.


Hello,

Ur power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


Hope this helpout........


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