Plasma tv power cycling - Samsung 51" Series 8 Plasma HDTV - PN51F8500

Hi,

please power cycle your plasma tv once. If problem still occurs, then please remove all accessories from the plasma screen and restart your tv from remote (with 30 second delay). Otherwise, you'll need to factory reset your tv and schedule a home appointment if you still need one.

Thank you.

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SOUNDS LIKE NEEDS POWER SUPPLY,CALL PANOSNIC CUSTOMER SUPPORT

do you clean the back of the tv?? it needs air,do you smoke near it?? smoke makes dust stick to components and they cant cool down

A case of which came first the chicken or the egg, Power supply board may be the issue or the sustain board--have you looked for the usual bad caps on the power board?

sir it will work with your TV..

Check the fuses on the ysus & zsus boards. Are any fuses on boards open . Disconect power cabels to ysus board first {board on left} . put tv on . if the light is green the ysus board must be replaced.

Try unplugging the TV's power cable from the wall outlet for a minute or two. Then plug it back in. This will allow the capacitors inside to discharge and then recharge somewhat (you can hear that with the high pitched rising tone when you shut off and turn on this tv), and also 'reset' the power supply due to a power surge or static build-up. I had the same problems you were having and tried a bunch of things, then finally power cycled the TV (as described above) with great success. Good luck.

Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

The 7 blinks means that the SC scan drive board might need to be replace but only after checking the voltages from the power supply. If the voltages from the power supply are normal, then proceed to replace the SC scan board.
Click here to find the board you need.