Samsung UE65JU7500TXXU, UE48JU7500TXXC, UE78JU7500TXZF, UE55JU7500TXZF manual There is no picture

There is no picture/	Check the cable connections. Remove and reconnect all cables
video.	connected to the TV and external devices.
	Set the video outputs of your external devices (Cable/set-top box,
	DVD, Blu-ray etc) to match the TV's input connections. For example,
	if an external device’s output is HDMI, connect it to an HDMI input on
	the TV.
	Make sure that your connected devices are powered on.
	Be sure to select the correct input source.
	Reboot the connected device by unplugging it and reconnecting the
	device's power cable.
The remote control	Replace the remote control batteries. Make sure that the batteries are
does not work.	installed with their poles (+/–) in the correct direction.
	Clean the sensor’s transmission window on the remote.
	Try pointing the remote directly at the TV from 1.5~1.8 m away.
The Cable or set-	Programme the cable or set-top box remote control to operate the TV.
top box remote	Refer to the Cable or set-top box user manual for the SAMSUNG TV
control doesn’t turn	code.
on/off the TV or
adjust the volume.

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