Question about Philips 50PF9630A 50 in. Plasma Television

1 Answer

Keeps shutting off

From time to time the tv shuts off and i have to unplug it and plug it back in, then it works fine. is this the power supply or does the software need updated ?

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  • Philips Master
  • 1,525 Answers

Hi make sure the sleep timer is not on ,you may have a faulty capacitor in the power supply or dry solder joint, hope it helps

regards
shaun

Posted on Mar 19, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 86 Answers

SOURCE: UPON TURNING TV ON RED BLINKING LIGHT COMES

you have a problem in the power supply module more then likely their a caps blown they will be obvious tops blown off or busted open youll have to take back off look on module in the middle

Posted on May 06, 2010

SD Tech
  • 14553 Answers

SOURCE: the tv will not turn on with first try, have to

I think I know what your problem is.

I am going to give you an explanation in simple terms. I suspect (I have seen the exact same thing several times) that you have puffed up caps in the power supply.

They are also called electrolytic capacitors.

All LCD, PLASMA, and even desktop computers use a power supply that is up and running 7/24 even if the unit is not turned on.

It is called a STANDBY power supply---I am going to take a photo so you know what the suspected parts look like and attach it here.

The reason this happens is many companies cut corners here--these caps are rated at a specific capacitance and WORKING VOLTAGE--the working voltage is the max voltage the part can tolerate over time.

The way they save money is most of these power supplies in STANDBY are about 8 or 9 volts and they put caps rated at a MAX of 10 volts--after a year or two the caps dry out inside and the tops of them puff up--having trouble getting to turn on--having to unplug it and try several times to get it on is a dead giveaway this is what is wrong---as time goes on it gets harder and harder to get it to come on.

The reason companies do this is if they make 10,000 sets and use 10 volt caps instead of 16 or higher voltage rated caps---they save a nice piece of money---they do not care if it only lasts a few years--they will be clear if it makes it through the 1 year warranty.

If someone opens the set and follows the power cord it will take them to the power supply board. Look at the two photos---notice the one with the silver top of the cap---bad ones will be clear to see---the top of them will be puffed up and NOT FLAT.

If this is what is found you have two choices--replace the caps--parts cost should be under 30 dollars for the parts OR REPLACE THE POWER BOARD--the board will be EXPENSIVE---confirm actual full model number and I will try to get you a part number and price for it.


The new board will work but have the same substandard caps in it and in a few years fail the same way.

Sooner or later when enough caps puff up---the set will not turn on at all.

I just fixed one of my desktop computers with this exact same problem--parts cost me 12 dollars and I upgraded from 10 to 16 volt caps---50% increase in ability to handle the voltage.

I have seen this in dozens of newer sets.


Let me know if I can help you further and if this information helped you rate this solution as I do this here for free.

SD TECH


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Posted on Dec 27, 2009

Testimonial: "awesome, thank you so much!!"

SOURCE: Philips 42 in. Plasma shut down

Thank god we purchases the ADVANCED extended warrenty. This tv has been nothing but problems.

Fuzzy picture, picture shutting off after 20 sec coming back on and now blog of colors shut off never to come on again. 7 blinking red lights on the front. Waiting for the repair man again.......

Posted on Apr 13, 2008

  • 36 Answers

SOURCE: Power Up Problem

You have a 8.6v supply error according to the 7 error code being displayed, what you can try is when the set goes to blinking disconnect the Y sustain board (if looking at the tv from the back the board on the left) from the upper left side of the power supply, if the error code stops then you know your Y sustain board is pulling down your power supply and causing the error, if the error code continues you have a probelm with your Logic Board (located under your Small Signal Board) disconnect this from the Y sustain board and see if the error code stops if it does you know that the Logic board is bad, if the error code is still blinking then the 8.6v supply line from the Power supply is faulty and the Power Supply needs to be replaced

Posted on Aug 13, 2008

  • 49 Answers

SOURCE: Magnavox 37MF231D 37" LCD TV "popped" now won't turn on at all!

lOOK AT THE POWER SUPPLY ,lOOK FOR VENTED TOPS ON THE CAPACITORS,IF YOU FIND VENTED TOPS REPLACE THEM WITH THE SAME MICRO FARADS BUT A HIGHER VOLTAGE RATING.

Posted on Aug 18, 2010

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