Yamaha RX-V459 owner manual Problem, Cause, Remedy

TROUBLESHOOTING

Problem	Cause	Remedy	See
			page
Dolby Digital or DTS	The connected component is not set to	Make an appropriate setting following the operating	—
sources cannot be	output Dolby Digital or DTS digital	instructions for your component.
played. (Dolby Digital	signals.
or DTS indicator in
	“INPUT MODE” is set to “ANALOG”.	Set “INPUT MODE” to “AUTO” or “DTS”.	32
the front panel
display does not light
up.)
A humming sound is	Incorrect cable connections.	Connect the audio cables firmly. If the problem	—
heard.		persists, the cables may be defective.
The volume level	The component connected to the AUDIO	Turn on the power of the component.	—
cannot be increased,	OUT (REC) jacks of this unit is turned
or the sound is	off.
distorted.
The sound effect	It is not possible to record the sound effect
cannot be recorded.	with a recording component.
A source cannot be	The source component is not connected to	Connect the source component to the analog AUDIO	18–20
recorded by an	the analog AUDIO IN jacks of this unit.	IN jacks.
analog component
connected to the
AUDIO OUT (REC)
jacks.
The sound field	“MEMORY GUARD” in “SET MENU”	Set “MEMORY GUARD” to “OFF”.	75
parameters and some	is set to “ON”.
other settings of this
unit cannot be
changed.

This unit does not The internal microcomputer has been

operate properly. frozen by an external electric shock (such as lightning or excessive static electricity) or by a power supply with low voltage.

Disconnect the power cable from the AC wall outlet	—
and then plug it in again after about 30 seconds.

“CHECK SP WIRES” appears in the front panel display.

Speaker cables are short-circuited. Make sure all speaker cables are connected correctly. 12

There is noise	This unit is too close to the digital or high-	Move this unit further away from such equipment.	—
interference from	frequency equipment.
digital or radio
frequency equipment.
The picture is	The video source uses scrambled or
disturbed.	encoded signals to prevent dubbing.
This unit suddenly	The internal temperature becomes too	Wait about 1 hour for this unit to cool down and then	—
enters the standby	high and the overheat protection circuitry	turn it back on.
mode.	has been activated.

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