Original topic:

TV Switches on then off

(Topic created on: 12-30-2023 08:55 AM)
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davidgreen
Beginner Level 2
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TV & Audio

My Samsung TV switches on then off every few seconds, there is sound but no picture.

Cannot switch off/on with remote or switch on base of tv.

Have tried unplugging, reset remote, new batteries etc etc but still a problem


TV UA50TU8000W
S/N 0A363NHN803002E

Advice appreciated

1 Comment
Para-Dox
Beginner Level 2
TV & Audio
There are several reasons why your Samsung TV might be switching on and off every few seconds, but here are some of the most common culprits:

Hardware Issues:

Power Supply: A faulty power supply can cause unpredictable power fluctuations, leading to rapid shutdowns and restarts.

Mainboard: Problems with the mainboard, the brain of the TV, can also disrupt power control and cause flickering or rebooting.

Backlight: Faulty LEDs in the backlight system might cause rapid blinking or power cycling as they try to stabilize.

Connections: Loose or damaged cables connecting the power supply, mainboard, or other components can lead to intermittent power issues.

Software Issues:

Software bug: A corrupt software update or bug in the TV's operating system can cause erratic behavior, including restarts.

Settings: Certain settings like "Eco Solution" or "Power Saving" can unintentionally trigger automatic shutdowns if triggered incorrectly.

Troubleshooting Tips:

Try a different power outlet: Rule out faulty wall outlets by plugging the TV into another known-good outlet.

Reset the TV: Perform a factory reset to revert settings to defaults and remove potential software glitches.

Check for loose connections: Ensure all cables connecting internal components and external devices are secure and undamaged.

Update the software: Make sure you are running the latest firmware version for your specific TV model.

Contact Samsung Support: If the issue persists after trying these steps, reach out to Samsung support for further diagnosis and assistance. They might suggest additional troubleshooting or repair options.

Additional Information:

Error codes: Some Samsung TVs display error codes when experiencing technical issues. Check your TV's manual or the screen for any error codes that might offer specific clues about the fault.

Warranty: If your TV is still under warranty, contact Samsung for repairs or a replacement.

Remember, diagnosing the exact cause might require technical expertise. It's generally advisable to consult Samsung support or a qualified technician if the issue persists after trying the basic troubleshooting steps.

I hope this helps!

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