Hello i have a philips tv 50p8342 the tv will turn on and stay on for
a hour then it will turn off also when the tv is on the power
button will not turn it off but the remote will turn the tv off.The TV blinks twice fast then it will stop then blinks twice again.
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Hello, make sure power cord is pushed in all the way in to the tv. Also make sure you have power at your outlet. I know it sounds dumb, but I've seen people chase their tail for hours before coming to the conclusion that a circuit breaker was tripped. Make sure you have good batteries in the remote. If the TV has a power button on the tv, try turning it on there instead of the remote. You can check to see if there is an on/off switch in the back. Besides this it should be pretty straight forward. You might have a defective tv
Hope this helps
Thank you in advance for your feedback
Sounds like you are tripping your crowbar circuit. This is most commonly caused by one of the Red Green or Blue brightness adjustments, adjusted too high. The crowbar circuit protects your high voltage guns from getting damaged. I know this because I just did this myself. My adjustments were behind the lower rear panel in a small box screwed to the chassis. There are 6 tuning pots on mine. 3 for focus of the RGB and 3 for brightness of the RGB. The focus ones didn't seem to have any effect on the crowbar circuit. However, by turning the brightness down on each of the RGB pots I could get the T.V. to stay on indefinately.
Try the power supply. Look on the one in your TV for the part number ; mine is PH3501705441. I ordered one from partstore.com and it was less than $60 shipped. Hope this helps, mine works fine now........and I have a 50P8342 chassis PTV 916
My tv was doing some of the same type things I touch one of the manual buttons ont tv and the channel would change or the volume would go up or down. I changed the control board behind the manual buttons on the face of the tv and now it works fine with or without the remote.
the part no. is 313501707611 go to sears web site type in this number and order it. this part will come up as 60P8342 but thats ok becouse the 50P8342 and the 60P8342 use the same part number I know I have both models and changed them both using the same part and part number.