Philips Power supply flashes 5 times

Check for bulged electrolytic caps on the power supply, then replace them, or replace the power supply.

Tries to tv unplug,replug an hour later let the tv reset itself.See,if it work.Not the power supply board is dead.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Power supply board have dead capcitors.Know how to solders?These capacitors usally bulge or pop open,replaced these capacitors will solved this problem.Or tries websites Shopjimmy.com,Ebay.com to buy a Whole reburbish power supply board for the replacement.

Commonly it's going to be a power supply related problem. The two boards that need to be looked at is the Main Power Supply Board or the power supply board for the screen. The one that powers the screen, some manufactures call it a Backlight Inverter Board.
If you have some electronic experience, you can sometimes find a Service Manual for the TV over the internet for less than $20. It will have the all resource material for repairing your TV model. It's just the matter of replacing the bad part on the circuit board.

I have the same tv and the fix was the power supply board that had 5 capacitors that were blown. there was a black goo on the top of the capacitors. The power supply board is in the middle top of the tv once you pull the back off. replace the bad caps and you should be back in business. My 50 inch plasma fix costed $5 in parts (5 capacitors) and $9 in shipping fees. Much better than the repair shop. If you know someone who can solder for you or if you can do it yourself, it's very easy to fix.

turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red light flashes 4 times in a row repeatedly..can not turn on or off when stand by light starts flashing but before tv blacks out you can turn tv on and off repeatedly and picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on.

Philips 50 inch plasma tv no video but has sound

First step....check power supply components.....research
similar Model & problem.................T.

It does sound like a power supply problem but that can be misleading because a problem somewhere else in the TV can be "holding down" the power supply. This can usually be determined by using some isolation techniques.