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samsung ue40f8000sz

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call me al:
Hi folks Happy new year to all Have a Samsung UE40F8000 It comes on with smart logo then clicks off and continues doing that
 I disconnected power supply and when reconnected it came on but after 5 mins fault came back ,checked for bad joints but all looks ok.Any help appreciated

Turnip:
Hi Al,

Suspect you have a backlight issue. Been there so suggest you replace all the strips as Sammy Leds die like dominoes. Replace two today and you get four more tomorrow, then eight the next day and so on - Chris.

t1412:
disconnect the mainboard turn the tv on see if backlight come on if ok backlight ok psu ok  mainboard is the
fault

downunder:

Don't suppose it uses BN44-00622 power supply?                     Bruce

call me al:
Hi Bruce The psu is BN44-00635A

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