Question about Philips 42PF7320 42 in. EDTV-Ready Plasma Television

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Philips 42 inch plasma 42pf7320a/37

Set powers up then shuts down, back cover removed, small circuit board green led flashes 3 times contintually.
Thank you

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  • mmioli Nov 13, 2008

    Help please. Where can I purchase the Y-main circuit board for Philips 42PF7230A/37

    Thanks

  • Anonymous Feb 09, 2009

    Hi

    i run into the exact same problem,how did you made out?

    was it the Y board?

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My TV this with this . What can be ?
philips 42 inch plasma 42pf7320a/37 - philips-42-inch-plasma-42pf7320a-37-nhe5gy2xupfnvv1disgbrgaq-1-0.jpg

Help me please

Posted on Feb 19, 2015

5 Suggested Answers

kazzandra
  • 16 Answers

SOURCE: Philips 42'' Plasma TV 42PF7320A/37 red led error codes

3 flashes indicates that there is a problem in the power supply circuit. Being that you have experience with this, you might be able to fix it.

Posted on Apr 04, 2009

CAYPIANAN
  • 227 Answers

SOURCE: Philips 42PF7320A/37 blinking red light

hello, amigo if the all the caps are godd then you have to replace the power supply board. don't try to fix it this is not an easy task. you are looking at almost $200.00 with tax an shipping. just go to google and type your tv model # and ask for the power supply board or just look for the part# on the board itself. good luck

Posted on Jul 29, 2009

freelance-au
  • 131 Answers

SOURCE: I have a 42" philips plasma with 8 red blinks

90% of the time this is capacitor related in the power supply, Remove the back and check for capacitors that are domed shaped on top, Replace these and all should be ok.

Posted on Mar 05, 2010

eagle338
  • 4889 Answers

SOURCE: My Philips 42PF7220A/37 42 inch

Since Philips service manuals do not list a chart for the LED blinking diagnostics, the first thing to look for is faulty electrolytic capacitors on the power supply board, one of the most common causes of failure in plasma tvs. The capacitors are cylindrical objects with an x or k mark at the top. See if you can find any of them on the power supply that are inflated(bulged) at the top and/or cracked. Please let me know what are your observations sot that we can proceed accordingly.

Posted on Apr 06, 2011

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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hello, amigo if the all the caps are godd then you have to replace the power supply board. don't try to fix it this is not an easy task. you are looking at almost $200.00 with tax an shipping. just go to google and type your tv model # and ask for the power supply board or just look for the part# on the board itself. good luck

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Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light flashing codes, circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

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1 Answer

FLASHING POWER RED BUTTON 7 TIMES


I believe that is a bad power supply board. You can unplug set ,open the back access panel and look for swollen electrolytic capacitors they will most likely be slightly rounded on top instead of flat top like the others.Not sure if just replacing caps is enough we mainly swap out whole board.Some models' replacement power supply is slightly different from original in that a couple of the plugs are in different spots and require an extension cable.

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