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Equipment Repairs => LCD TV forum => Topic started by: animex on April 12, 2018,18:58:22

Title: Samsung UN55F6300AFXZC Power Cycle Issue
Post by: animex on April 12, 2018,18:58:22

Does anyone know any common issue with these Samsung LED Smart TVs?

I checked the power board and it seems ok. TV power cycles every few seconds. With bottom HDMI port plugged in, I can see the content for few seconds. Without anything plugged in, just black screen.

Samsung splash screen comes on then Samsung smart tv (4 square logos), after that goes to black screen if nothing plugged in third HDMI port.

I inspected the main board and it seems fine too. Back lights are working.

Anyone had similar problems? Were you able to fix it without replacing anything?

Title: Re: Samsung UN55F6300AFXZC Power Cycle Issue
Post by: downunder on April 13, 2018,04:19:53

If you unplug the wiring harness that connects main board to power supply and plug it into the power point, a lot of Samsungs will power on with backlights on for as long as you leave it switched on. This will tell you that the main board is the likely fault. If it still power cycles, then the power supply is most likely problem.                                Bruce

Title: Re: Samsung UN55F6300AFXZC Power Cycle Issue
Post by: leeeroy on April 26, 2018,08:54:19

I had such problem and  I had to replace  main board in service.

Title: Re: Samsung UN55F6300AFXZC Power Cycle Issue
Post by: thoma on April 26, 2018,12:56:52

Can someone upload fast track repairguide from samsung F-Serie?
or samsung service news 2016 and 2017?
regards thoma!

Title: Re: Samsung UN55F6300AFXZC Power Cycle Issue
Post by: downunder on April 27, 2018,04:07:25

Does it use power supply BN44-00622?