Yamaha RX-V496RDS owner manual Troubleshooting, General, Symptom Cause Remedy

APPENDIX

TROUBLESHOOTING

If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center.

■ General

SYMPTOM	CAUSE	REMEDY	Refer to
			page
The unit fails to turn on	The power cord is not connected or the plug is	Firmly connect the power cord.	17
when STANDBY/ON is	not completely inserted.
pressed, or enters in the
	The IMPEDANCE SELECTOR switch on the	Set the switch fully to the right or left position	17
standby mode soon after
	rear panel is not fully set to the right or left	when the unit is in the standby mode.
the power has been
	position.
turned on.
The unit does not work	The internal microcomputer has been frozen by	Set the unit in the standby mode and disconnect	—
normally.	an external electric shock (lightning, excessive	the AC power cord from the AC power outlet.
	static electricity, etc.) or by a power supply with	After about 30 seconds have passed, connect
	low voltage.	the power and operate the unit again.
No sound and/or no	Incorrect input or output cable connections.	Connect the cables properly. If the problem	12, 13
picture.		persists, the cables may be defective.
	An appropriate input source has not been	Select an appropriate input source with INPUT	20
	selected.	SELECTOR or TAPE/MD MON / EXT.
		DECODER (or the input selector buttons).
	The speaker connections are not secure.	Secure the connections.	15
	SPEAKERS have not been set properly.	Set SPEAKERS corresponding to the speakers	20
		in use to the ON position.
	The sound is muted.	Set VOLUME to the “ m” position, press	21
		MUTE to cancel a mute and adjust the volume.
	Digital signals other than PCM audio and the	Play a source whose signals this unit can	—
	signals encoded with Dolby Digital or DTS	reproduce.
	which this unit cannot reproduce are being input
	to this unit by a CD-ROM, etc.
No picture.	There is no S VIDEO connection between this	Connect the monitor’s “S” video input terminal	14
	unit and the TV monitor, although S video	to this unit’s S VIDEO MONITOR OUT
	signals are being input to this unit.	terminal.
The sound suddenly	The protection circuit has been activated	Set the unit in the standby mode and then turn	—
goes off.	because of a short circuit, etc.	on to reset the protection circuit.
	The SLEEP timer has functioned.	Turn on the power, and play the source again.	42
Only the speaker on one	Incorrect cable connections.	Connect the cables properly. If the problem	15
side can be heard.		persists, the cables may be defective.
	Incorrect setting of BALANCE.	Adjust it to the appropriate position.	21
No sound from the effect	The sound effect is off.	Press EFFECT to turn it on.	24
speakers.
	A Dolby Surround, Dolby Digital or DTS	Select another DSP program.	27
	decoding DSP program is being used with
	material not encoded with Dolby Surround,
	Dolby Digital or DTS.
No sound from the	The sound output level of the center speaker is	Raise the level of the center speaker.	40
center speaker.	set to minimum.
	“CENTER SP” in the SET MENU is set to the	Select the LRG or SML position.	37
	NONE position.
	Incorrect DSP program is selected.	Select the appropriate program.	25, 26, 27
	The source encoded with Dolby Digital or DTS		—
	does not have a center channel signal.
No sound from the rear	The output level of the rear speakers is set to	Raise the output level of the rear speakers.	40
speakers.	minimum.
	A monaural source is being played with the PRO	Select another DSP program suitable for the	27
	LOGIC/Normal or PRO LOGIC/ENHANCED	monaural source.
	program.

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