Yamaha YSP-3050 Troubleshooting, 100 En, General, page, This unit fails to turn on, standby mode

Troubleshooting

Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, set this unit to the standby mode, disconnect the AC power supply cable, and contact the nearest authorized Yamaha dealer or service center.

■General

Problem	Cause	Remedy	See
			page
This unit fails to turn on	The AC power supply cable is not firmly	Connect the AC power supply cable firmly	23
when STANDBY/ON is	connected to the AC wall outlet.	to the AC wall outlet.
pressed, or enters the
	This unit has been exposed to a strong	Set this unit to the standby mode, disconnect	—
standby mode soon after the
power has been turned on.	external electric shock (such as lightning	the AC power supply cable, plug it back in
	and strong static electricity).	after 30 seconds, and use it normally.
This unit suddenly enters the	The internal temperature becomes too high	Wait for about one hour for this unit to cool	—
standby mode.	and the overheat protection circuitry has	down and turn it back on.
	been activated.
	The sleep timer has turned the unit off.	Turn on the power and play back the source	—
		again.
No sound.	Incorrect input or output cable connections.	Connect the cables properly. If the problem	16
		persists, the cables may be defective.
	No appropriate input source has been	Select an appropriate input source with	39
	selected.	INPUT or the input selector buttons.
	The volume is turned down.	Turn up the volume.	41
	The sound is muted.	Press MUTE or VOLUME +/– to resume	41
		audio output and adjust the volume level.
	The signals this unit cannot reproduce (such	Play a source whose signals can be	—
	as PCM signals with more than 96 kHz of	reproduced by this unit.
	sampling frequency) are being received
		Change the system settings of the source	—
	from the source component.
		component.
	The HDMI components connected to this	Connect the HDMI components that support	17
	unit do not support the HDCP copy	the HDCP copy protection standards.
	protection standards.
	SUPPORT AUDIO is set to OTHER and	Set SUPPORT AUDIO to YSP-3050 in	84
	HDMI audio signals are not being played	MANUAL SETUP
	back on this unit.
The sound suddenly goes	The sleep timer has turned this unit off.	Turn on the power and play back the source	—
off.		again.
	The sound is muted.	Press MUTE or VOLUME +/– to resume	41
		audio output and adjust the volume level.
No sound from the effect	You are playing back the source or program	Press one of the beam mode buttons on the	56
channels.	in the 2-channel stereo playback or My	remote control to select a multi-channel
	Beam mode.	playback mode and play back the source or
		program once more.
No sound from the center	The output level of the center channel is set	Raise the level of the center channel.	87
channel.	to minimum.
No sound from the surround	The output level of the surround channels is	Raise the output level of the surround	87
channels.	set to minimum.	channels.

100 En