Samsung 60" TV UN60H7150 / Flickering Backlight, then Backlight goes off.


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Samsung 60" TV UN60H7150 / Flickering Backlight, then Backlight goes off.

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Pugy365
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Sep 24, 2020, 8:17 PM

Post #1 of 2 (870 views)
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Samsung 60" TV UN60H7150 / Flickering Backlight, then Backlight goes off.	Can't Post

I was given this tv for free, in non working order. I got it running and powering on by replacing all the capacitors in the power supply and also the main board.

Now the TV will power on and work fine for a bout 5-10 minutes and then backlights start flickering on and off until they go out completely . Confirmed TV is still powered on as I can see a faint image with a flashlight.

If I power cycle it does the same thing, for around the same amount of time.

Any advice on what to check? Assuming it’s still PSU issues.

Confirmed ECO mode is off, and tested with white screen only and confirmed its all LEDs go off not just certain sections.

jts1957
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Sep 26, 2020, 2:11 PM

Post #2 of 2 (845 views)
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Re: [Pugy365] Samsung 60" TV UN60H7150 / Flickering Backlight, then Backlight goes off. [In reply to]	Can't Post

Try unplugging cable from Main to Power board. See if lights ALL LEDs for, oh, say 5 minutes.

If yes, Troubleshoot circuitry. If no, concentrate on the LEDs.

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