Yamaha AV Receiver owner manual Troubleshooting, General

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 power cord, and contact the nearest authorized YAMAHA dealer or service center.

■ General

Problem	Cause	Remedy	Refer to
			page
This unit fails to turn	The power cord is not connected or the	Connect the power cord firmly.	—
on when STANDBY/	plug is not completely inserted.
ON (or SYSTEM
	The impedance setting is incorrect.	Set the impedance to match your speakers.	64
POWER) is pressed,
or enters the standby	The protection circuitry has been	Make sure all speaker wire connections on this unit	11-13
mode soon after the
	activated.	and on all speakers are secure and that the wire for
power has been
		each connection does not touch anything other than
turned on.
		its respective connection.
	This unit has been exposed to a strong	Set this unit in the standby mode, disconnect the	—
	external electric shock (such as lightning	power cord, plug it back in after 30 seconds, then use
	or strong static electricity).	it normally.
No sound	Incorrect input or output cable	Connect the cables properly. If the problem persists,	14-20
	connections.	the cables may be defective.
	The input mode is set to DTS or	Select AUTO.	32
	ANALOG.
	No appropriate input source has been	Select an appropriate input source with INPUT,	25
	selected.	MULTI CH INPUT (or MULTI CH IN on the remote
		control) or the input selector buttons.
	Speaker connections are not secure.	Secure the connections.	12
	The front speakers to be used have not	Select the front speakers with SPEAKERS A and/or	25
	been selected properly.	B.
	The volume is turned down.	Turn up the volume.	—
	The sound is muted.	Press MUTE or any operation button of this unit to	26
		resume audio output, then adjust the volume.
	The input mode is set to ANALOG while	Set the input mode to AUTO or DTS.	32
	playing a source encoded with a DTS
	signal.
	Signals this unit cannot reproduce are	Play a source whose signals can be reproduced by this	—
	being received from a source component,	unit.
	such as a CD-ROM.
No picture	The output and input for the picture are	Turn on the video conversion function.	61
	connected to different types of video
	jacks.

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