Samsung turns on then shuts off.red light flashes

TV won't turn on - Forums - CNET

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CNETJun 11, 2015 - I have the Samsung FP-T5084 50" Plasma tv. I went to turn it on the other day, and it wouldn't turn on. No clicking. No red power indicator light. Nothing. Samsung TV LN52A650A1FXZA won't turn on, keeps clicking
Jun 11, 2015
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The power light keeps flashing and the tv wont turn on - TV ...

www.tomsguide.com/answers/id.../power-light-flashing-wont-turn.html

If you unplug for a minute and hit the power button it sound like it is coming on then it shuts off and the red power light flashes slowly. The TV is a Panisonic 1080i HDTV, about 6-7 years old. ... I have an old type sony tv with the big back and the red power light keeps flashing and ...

How do you fix a television that won't turn on? - Ask.com

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Contact Samsung tech support, Tell them this info, they should be able to tell you the type of problem you have

The fault is with its main board itself. Troubleshooting to this board is not an easy work to a user can do. It will be best to contact any service technician. google.com/+GopakumarGopalan

It could be the temp sensor going bad. This sensor sits on top of the metal housing which the bulb assembly slides into. The bulb assembly will have a hole on top and this is where the sensor is above. There is a small blue and white wire that plugs into it. If you pull the wire out and put a paper clip or wire in the coupling you will basically bypass the sensor connecting the blue and white wire. If your tv turns on then that is your problem. Its cheap too. Here were my symptoms..1] Turn tv on 2] Bulb would light up..(which eliminates the ballast) regular picture would show up (which eliminates the bulb and color wheel) 3] 30 seconds later tv would shut down with 3 flashing lights. After bypass the tv turned on as always and hasnt shut down yet. Always un plug tv first. Get the replacement part to avoid overheating and possible fire

Hello,

The reason your television takes a while to come on and have a red light flashing before it comes on is because it is about to develop a problem and it is most likely a power problem.

If your television does not get properly shut down and power goes off on it without the proper procedures, it would start to flash the red light which is to sound a warning that your television would become faulty within a short period of time.

So ensure you go through the normal procedure in turning off your television.

Take care

I would suspect the lamp first as they can cause intermittent shut down issues.

Replace both of your STKs when 1 goes bad it will shut set off STK392-020s or 040s use same number that is on your STKs big black ics these control convergences also.

wont turn on red light just flashes?
On my samsung flat screen tv when you are watching the televison there is no red light on the power button but when you turn the television off the red light stays on all the time? what can I do to turn this light off?

Obviously the problem is with the SMPS unit, could be a faulty switching transistor.