Sanmsung TV UN55EH6000FXTZ no power on.

[astouppe]

I have a UN55EH6000FXTZ that stopped turning on.
Initially it would turn on if you hit the power button again, then it would work if the standby light was on, but eventually the light was always off and the unit would not turn on with the remote or the power button on the TV.
I opened the unit up and checked the voltage on pin 12 on the connector on the BN44-00499A board. It came back 5.38V.
I unplugged the power to the main board and plugged the unit in and the LED array lights up.
I reconnected everything and checked the voltage coming back off the main board when I hit the power switch. The voltage does not go high so I assume there is a fault on the main board preventing the system from sending signal to the power board to start the LED and play the chime.
Is there anything else I should check before buying a replacement for the main board? Thank you for your help and Happy New Year.

[Andrew F. Ali]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

Disconnecting the connector on the PSU that goes to the Main Bd. and then getting the LED backlights to come on when plugged into the 120Vac confirms that the Main Bd is not working/defective. A new Main Bd. will get your TV going again. Look for a BN97-XXXXX No. on a white sticker on the Main Bd. Or perhaps you could post a photo of your Main Bd. for us to verify you are purchasing the correct part.

[astouppe]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

Thank you for the help.

There are two stickers and a code on the silk screen. The one with the most recent date is BN97-06546A

there are two other codes one starts BN41 and the other BN94. I assume that BN97 is the latest revision of this logic board when it was manufactured.

[nomoresonys]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

Double check your model number, not seeing any FXTZ.

[nomoresonys]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

Whole bunch there including some eeprom repair kits for $7.35, need to make sure your numbers match or give m a call to verify. https://www.shopjimmy.com/catalogsea...?q=BN97-06546A

[nomoresonys]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

The part will be the BN94xxxx is what you want to match up, might even be some on ebay.

[neilc6]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

I believe matching the BN97 number will get you the correct board but it may be configured for a different screen size or model variation. You should match the BN41 for less hassles.

[nomoresonys]

Re: Sanmsung TV UN55EH6000FXTZ no power on.

NOPE, BN41 and BN97 are generic board numbers, the number to match is BN94xxxx.