Hi its like the brightness is trun right down ive reset the TV.help
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samsung tv ue43ru7400u dark screen problem help
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Re: samsung tv ue43ru7400u dark screen problem help
.Last edited by nomoresonys; 05-13-2022, 03:22 PM.
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Re: samsung tv ue43ru7400u dark screen problem help
nevermind, too much trouble trying to help, when simple instructions are not followed.Last edited by nomoresonys; 05-13-2022, 03:26 PM.
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Re: samsung tv ue43ru7400u dark screen problem help
Most likely you have a short in the backlight bars since this is a edge lit Tv. Alot of times is actually melts the diffuser and will leave light bleed on the bottom where the leds got too hot after you replace the led bars and you can't buy new diffusers so is it worth repairing? Not on that size Tv. You have to pull the panel just to get to the backlights and if the diffuser is melted there is no use in replacing them because they are just going to leave light bleed across the bottom of the panel which looks like crap. Samsung quality went to hell a long time ago spending more money fighting corruption charges than on engineering.
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Re: samsung tv ue43ru7400u dark screen problem help
Originally posted by garysnooker View Postthanks for your help on this im going to take it apart and have a look at it nothing to lose
https://www.badcaps.net/forum/showth...=samsung+burnt
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Re: samsung tv ue43ru7400u dark screen problem help
Originally posted by garysnooker View PostHi is there a way of testing the backlight before a take it apart
what happens if you remove the cable between mainboard and power supply do the backlights power on then?
This will give you a rough idea whats involved to change backlights but remember big risk of cracking lcd panel!
https://www.youtube.com/watch?v=HFi2slA4ZK8Last edited by vinceroger69; 05-15-2022, 08:13 AM.
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Re: samsung tv ue43ru7400u dark screen problem help
Hi ive just had a another look at the tv and im not to sure if it is the backlight ive made a video could some one have a look at it to see if it is the backlight https://www.youtube.com/watch?v=fJe-APbbSjE
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