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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Re: Blinking light


Posted on Jan 11, 2008

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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:

Jan 29, 2012 | Scott LCT37SHA 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, 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 | Flat Panel Televisions

2 Answers


The blinking light on the front indicates a shorted part in the power supply. The power board will need to be replace or repair to restore the LCD functionality.
Let me know if you required further assistance.

Oct 06, 2008 | Akai LCT3701AD 37 in. LCD Television

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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