Question about Philips 42PF9431D/37 TV

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Blinking red light

My t.v. does the same it turns on then a few moments later a blinking red light comes on. I dont see any raised capacitors...the ones with crosses on them, is there any other way to see if they are infact burned out....? They all look the same to me.

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Honestly unless your very knowledgable in electronics i would take to someone reputable or if under warranty call manufacturer!

Posted on Jun 27, 2009

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Sony Bravia 52EX701 picture went out. Now bottom


Most likely it's a capacitor fault.

Google "Capacitor bulge" and then search Youtube for your make and model to see if anyone has done an instructional video. You'll need to be comfortable dismantling the unit and be able to use a soldering iron. If this isn't you then take it to a repair shop.

Sony is, by and large, a reliable brand. The problem is that Sony like most other manufacturers has to buy capacitors from 3rd party suppliers who bid on price. Unfortunately the cost cutting has affected parts quality.

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Ur power board is dying,must check replaced parts like capacitors puff up or burst open.Know how solders?Buy a refurbish power board Shopjimmy.com,Ebay.com to buy.

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What does the blinking red light mean? The


it means that you have probably blown a capacitor or 2 in the back of the set. Take the back panel off and look for the round capacitors that have a cross. If any of them are bulging, they are blown. You can order new ones at most electronic parts stores, just get all the readings off it, temp. range and farad readings. They cost less than a buck each. They need to be soldered onto the board.

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it costs $2.50 to fix its 2 capacitors in the motherboard need to change them very easy i just fixed mine took me an hour all together and less then 3 bucks .if you open the tv look in the middle motherboard and you will see witch capacitors are blown because the top of them is raised up change them and ure done,all the capacitors have a cross scored in the top ,so they dont blowup ,so if you see 1 raised just a little bit its fried change it while ure in there , they wanted $400 to $500 to fix lmao now .

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1 Answer

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I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

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I get 5 blinking red lights for about a minute or so before it powers back down. The Sony TV has a specific light that i presume is supposed to light up when the bulb is out. I'm unsure if this is what it is.
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