I have a Samsung TXN3271HF TV. It is 4 years old. The tv has been working great with no problems. I was watching it the other day and shut it off to go outside, Later that day, I turned on the tv and it won't come on. Nothing, just dead. I thought plug was out but was plugged it. It had been working great even earlier in the day.
What could it be?
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U turn tv on hear any squiling,grinding or motor noises?Picture show up before it shut down picture have flashes of black&white within the picture?Yes,to all of these,this tv have a colors wheel and it dead,require the colors wheel replacing.No,none of these problems.The tv projection lamp,if in this tv like a 1 1/2 or 2 years,tv ben on an watches like 4 or 5 hours a day?The "LAMP" LED light indication lite up or flahes,the projection lamp life is over.Require a new projection lamp.
My Samsung TXN3271HF had the same issue where the poorly-designed Soft-Touch channel button begin to register phantom touches (leading to the "Not Available" message flashing on the screen).
The fix is simple: remove the plastic strip containing the Soft-Touch buttons and when replacing the strip, leave some room between the buttons and the TV's circuit board (you will see the circuit board once you remove the plastic strip).
only horizontal line
it is a vertical section failure.
keep brightnenn as low as possible till it is rectified & you put on tv before it this just to avoid screen burn.
1 check for loose contact or crack print or loose deflection coil connector.
2 check supply to vertical section.
3 check vertical ic.
4 vertical (50)Hz signalto vertical section.
When I turn my tv on there is one certain channel that goes black after watching less than 5 minutes.
this might be due to electronic tuner or loose contact in that particular section.
100% problem will be solved
I had a similar problem with another type of TV set. All functions work well except power.
The solution was to replace the batteries, perhaps they are running low. It will also reset the remote which might help as well.
Hope this will work for you too.