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01 Jun, 2018
Fixed dimming and flicker for UN55JU6700FXZA
1 of 1 found this helpful The old board inside was a different version Samsung BN44-00807E, with a different layout, components, and smaller capacitors in general, but with compatible connectors to the rest of the TV. Couple of the old medium size capacitors on the corner looked bulging. This was after 2 years of heavy use at full brightness as a work computer monitor. One morning, it just started flickering, and severely dimming, only briefly coming back to full steady brightness for a couple of minutes at random times. The backlight level setting would influence the flickering frequency. There were some online tips for cutting a jumper for a quick fix, but not for this newer model as those jumper numbers (JP852 and JP854) were not even present.
Installation was straightforward, but a bit time consuming. You have to gently lay down the 55in curved screen on a bed, remove the foot stand attachment to get to all the screws. Once inside, the board was very easy to replace with the 2 connectors, and test with the power reconnected.