Yamaha DSP-AX763 owner manual 98 En

Troubleshooting

Problem	Cause	Remedy	See
			page
Only the center	When playing a monaural source with a
speaker outputs	sound field program, the source signal is
substantial sound.	directed to the center channel, and the front
	and surround speakers output effect
	sounds.
No sound is heard	“CENTER SP” in “SET MENU” is set to	Set “CENTER SP” to “SMALL” or “LARGE”.	69
from the center	“NONE”.
speaker.
	One of the sound field programs (except	Try another sound field program.	47
	for “7ch Stereo”) has been selected.
No sound is heard	The sound field programs are turned off.	Press FSTRAIGHT to turn them on.	50
from the presence
	You are using a source or program	Try another sound field program.	41
speakers.
	combination that does not output sound
	from all channels.
	“EXTRA SP ASSIGN” is set to a setting	Set “EXTRA SP ASSIGN” to “PRESENCE”.	68
	other than “PRESENCE”.
No sound is heard	“SUR. L/R SP” in “SET MENU” is set to	Set “SUR. L/R SP” to “SML” or “LRG”.	69
from the surround	“NONE”.
speakers.
	This unit is in the “Straight” mode and a	Press FSTRAIGHT on the front panel so that	50
	monaural source is being played back.	“Straight” disappears from the front panel display.
No sound is heard	“SUR. L/R SP” in “SET MENU” is set to	Set “SUR. L/R SP” and “SUR.B L/R SP” to a setting	69
from the surround	“NONE” and “SUR.B L/R SP” is	other than “NONE”.
back speakers.	automatically set to “NONE”.
	“SUR.B L/R SP” in “SET MENU” is set to	Set “SUR.B L/R SP” to a setting other than “NONE”.	69
	“NONE”.
FRONT B speakers	“EXTRA SP ASSIGN” is set to a setting	Set “EXTRA SP ASSIGN” to “FRONT B”.	68
cannot be activated.	other than “FRONT B”.
No sound from the	“EXTRA SP ASSIGN” is set to	Set “EXTRA SP ASSIGN” to “FRONT B”.	68
center, surround or	“ZONE B”.
surround back
speakers when the
FRONT B speakers are
activated.
Presence speaker	“EXTRA SP ASSIGN” is set to a setting	Set “EXTRA SP ASSIGN” to “PRESENCE”.	68
settings are not	other than “PRESENCE”.
available in “SET
MENU”.
No sound is heard	“LFE/BASS OUT” in “SET MENU” is set	Set “LFE/BASS OUT” to “SWFR” or “BOTH”.	68
from the subwoofer.	to “FRONT” when a Dolby Digital or DTS
	signal is being played.
	“LFE/BASS OUT” in “SET MENU” is set	Set “LFE/BASS OUT” to “BOTH”.	68
	to “SWFR” or “FRONT” when a
	2-channel source is being played.
	The source does not contain low-frequency
	signals.
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 the
	Audio input jack select is set to	Set Audio input jack select to “AUTO”.	43
front panel display	“ANALOG”.
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.
	No connection from the turntable to the	Connect the grounding cable of your turntable to the	23
	GND terminal.	GND terminal of this unit.
The volume level is	The record is being played on a turntable	Connect your turntable to this unit through an MC-	23
low while a record is	with an MC cartridge.	head amplifier.
being played.
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 off.
or the sound is
distorted.

98 En