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Philips 42pfl7403d This tv won't turn on without unplugging it several times and then need to push the on button numerous times to turn it on. Smells like something is burning also.

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Hi tarheel23693,
The symptoms you've described is an indication of fault most commonly on the power supply board. I've encountered it most of the time in our repair shop. Resolution can be DIY depend on your skills in electronics. Email me at if you feel you can do it to assist you further.

Have a nice day,

Posted on Jul 25, 2013


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Posted on Jan 02, 2017

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SOURCE: 42pfl7403d/27. Won't turn on normally.


The symptom you describe is consistent with an overload(short) on one of the power supply output voltages.

If you hear a clicking noise,that is one of the relays ,showing that the TV power supply try to start normally,but then a short condition is detected and power supply shuts off,and all repeats again.

Now from my experience with these units,the most common cause is the power board itself or the Y sustain board.To make the exact determination,further diagnose inside of tv set is necessary(voltages and resistances readings)-a common occurance would be some defective-bulged top capacitors in this power supply you will have to replace the board.

Depending on the models,these boards cost about-$250 to $300 each.Add another $150 for labor and the repair cost will be around-$400-$450.

Posted on Jul 15, 2011

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SOURCE: 42pfl7403d/27. TV will not power

philips tv 47pl7403d/f7 tv will not respond to the remote control

Posted on Nov 10, 2011

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