Samsung UN40D5500RHXZA manual Go to Menu Support Self Diagnosis Sound Test, Source or signal

	Issues	Solutions and Explanations
	When changing	●●	If the TV is connected to a cable box, please try to reset
	channels, the picture		the box. (Reconnect the AC cord and wait until the cable
	freezes or is distorted		box reboots. It may take up to 20 minutes.)
	or delayed.	●●	Set output resolution of the cable box to 1080i or 720p.
	Sound Problem	First, perform the Sound Test to determine if your TV audio
		is operating properly.
◀		●●	Go to MENU - Support - Self Diagnosis - Sound Test ▶
		If the audio is OK, the sound problem may caused by the
		source or signal.
	There is no sound or	●●	Please check the volume of the device (Cable/Sat Box,
	the sound is too low		DVD, Blu-ray, etc.) connected to your TV.
	at maximum volume.

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