I picked up this TV for free as it was going to be thrown away and I figured I may be able to bring it back to life. My initial thought is faulty LED backlights but want to get some input before I buy parts. I have replaced LED backlights in numerous LG tvs. The TV powers on like normal the backlight flashes and then it goes black, with a flashlight you can still see the picture and the backlight will intermittently flash. I have not torn this TV apart yet just got it tonight and wanted some input before I started tearing it apart and ordering parts but my gut tells me order LED strips and I should be good from there. Thanks in advance
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LG 55LB5900 backlight flashing
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Re: LG 55LB5900 backlight flashing
I've had a number of these LG LB models that flash. Generally I try to replace the LEDs that are open or short or with the highest forward voltage. However, if it's more than four or five LEDs to replace, then I order the strips.
It's also a crap shoot getting the LED diffusers back in the right spot. Most of the time I win, but sometimes I lose!
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Re: LG 55LB5900 backlight flashing
Both LB and LF series flash with backlight issues. https://techhometravel.com/lg-ln-ser...ed-backlights/
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