Question about Philips 42PF7220A 42 in. Plasma Television

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Blinking light Power supply board, shot according to TV repair compny, they $785 to fix Philps no help, just buy a new one?

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CHCK POWER SUPPLY CORD AND BLINKING IS DUE TO LOSSE CONETION AND LOOSE SOLDIRING ON CIRCET BOARED

Posted on Jan 11, 2008

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Posted on Jan 02, 2017

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1 Answer

Magnavox 37MF321D/37. suddenly just shut off and would not turn back on, no blinking green light nothing!


Price the board first and then decide, I fix these in our shop but do not like or enjoy working on them at all.

Dec 20, 2012 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Green light constantly blinking and tv screen doesnt turn on


Good day!!!


That problem is usually have 2 causes..Its either power supply board or main board..

Please take this steps on how to determine the problem:

  1. Open the back cover.

  2. Check the power supply output...It should have 5vdc for the main board..12vdc or 16vdc for the audio and 24vdc for the back-light inverter..

  3. If those 3 voltage supplies have encountered voltage drop...The problem could be on power supply board..

  4. If the power supply output is normal..The problem could be on the main board...

  5. If the problem is power supply you should check if the capacitors are bulged on the top and try to replaced it..If you can't do that you can purchased new power supply board..

  6. If the problem is on main board there is no D.I.Y repair on that so you need to buy a new main board that fits to your TV..

Hope this solution will be helpful..

Thanks for using fixya...


Oct 13, 2012 | Mitsubishi LT-52249 LCD TV

1 Answer

My Scott TV #LCT37SHA


Leaving it on overnight is not a problem. 99% chance you have a bad power supply board, 1% it is the main board.

See the following listing for repairing the power supply:

http://www.coppelltvrepair.com/p/785/scott-lct37sha-power-supply-board-repair-serivce-for-totally-dead-not-powering-on-or-shutting-down-tv

Jan 29, 2012 | Scott LCT37SHA TV

1 Answer

I have a 2000 Sony KP-53HS10 color rear video projector, Just yesterday it turned off in the middle of watching it and the timer/standby light merely blinks. When I unplug it and replug it in, the same...


Good day!!!


That problem is usually have 2 causes..Its either power supply board or mainboard..

Please take this steps on how to determine the problem:
  1. Open the back cover.
  2. Check the power supply output...It should have 5vdc for the main board..12vdc or 16vdc for the audio and 24vdc for the back-light inverter..
  3. If those 3 voltage supplies have encountered voltage drop...The problem could be on power supply board..
  4. If the power supply output is normal..The problem could be on the main board...
  5. If the problem is power supply you should check if the capacitors are bulged on the top and try to replaced it..If you can't do that you can purchased new power supply board..
  6. If the problem is on main board there is no D.I.Y repair on that so you need to buy a new main board that fits to your TV..
Hope thissolution will be helpful..

Thanks for using fixya...

Jul 05, 2011 | Sony KP-53HS10 TV

1 Answer

Blinking led


Free diagrams unlikely to be available take the board's out and check for blown capacitors following good antistatic procedures and decide from there
Or find a good independent repair specialist to do the work and set your self a budget
My sharp aquos stopped working with a blinking power light £2000 was the repair quote for a new board and LCD panel for a £699 TV after they tried the capacitor replacement

Jul 01, 2017 | Sharp AQUOS LC-40C32U 32 in. LCD TV

1 Answer

How to fix continous red blinking lights


Ur power board supply is dead.Replaced the power supply well solved this problems.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board.

Feb 11, 2010 | LG 26LX1D 26 in. LCD HDTV

3 Answers

The tv has power but the standy by button is flasshing and we are getting no picture


Flashing standby light is error sign that means TV got problem in its circuits and requires repair.
Model and brand info will help to find out details of flashing error code and please also count how many times standby light blinking.

Aug 12, 2009 | Televison & Video

7 Answers

My plasma panasonic wont turn on


If you have 10 blinking red lights it is a problem with the DG board on the inside....replace this board and It will take care of any possible 10 blink issues.....

Caution: If you replace this board chances are it may happen again....go on ebay and get one for $25 to $80 and put it in yourself.....This is a known issue that Panasonic denies....

retail price is about $380 to $480 for a new one......dont do it!

Jan 17, 2008 | Panasonic TH-50PX75U Plasma HDTV

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