Yamaha DSP-A595 TROUBLESHOOTING

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 for help.

	SYMPTOM	CAUSE	REMEDY
	The unit fails to turn on when	Power cord is not plugged in or is not	Firmly plug in the power cord.
	STANDBY/ON is pressed, or turns	completely inserted.
	into the standby mode suddenly
		The IMPEDANCE SELECTOR switch	Set the switch fully to the upper or
	soon after the power is turned on.
		on the rear panel is not fully set to the	lower end.
		upper or lower end.
	The unit does not work normally.	There is an influence of strong external	Turn this unit into the standby mode
		noise (lightning, excessive static	and disconnect the AC power cord from
		electricity, etc.) or a misoperation while	the AC outlet. After about 30 seconds
		using this unit.	have passed, connect the power and
			operate this unit again.
	No sound or no picture.	Incorrect output cord connections.	Connect the cords properly. If the
			problem persists, the cords may be
			defective.
		Appropriate input source is not	Select an appropriate input source with
		selected.	INPUT.
		SPEAKERS are not set properly.	Set SPEAKERS corresponding to the
			speakers in use to the ON position.
		Speaker connections are not secure.	Secure the connections.
	No picture.	There is no S video terminal connection	Connect this unit’s S VIDEO MONITOR
		between this unit and the TV, though S	OUT terminal to the TV’s S video input
		video signals are input to this unit.	terminal.
	The sound suddenly goes off.	The protection circuit has been	Turning the unit into the standby mode
		activated because of short circuit etc.	and then on again will reset the
Amplifier			protection circuit.
	sound.
		The SLEEP timer has functioned.	Cancel the SLEEP timer function.
	Only one side speaker outputs	Incorrect setting of BALANCE.	Adjust it to the appropriate position.
		Incorrect cord connections.	Connect the cords properly. If the
			problem persists, the cords may be
			defective.
	A “humming” sound can be heard.	Incorrect cord connections.	Firmly connect the audio plugs. If the
			problem persists, the cords may be
			defective.
		No connection from the turntable to the	Make the GND connection between the
		GND terminal.	turntable and this unit.
	The volume level is low while playing	The record is being played on a	The turntable should be connected to
	a record.	turntable with an MC cartridge.	the unit through the MC head amplifier.
	The volume level cannot be	The component connected to the REC	Turn the power to the component on.
	increased, or the sound is distorted.	OUT terminals of this unit is in the
		standby mode.
	No sound from the rear speakers.	The sound output level of the rear	Raise the sound output level of the rear
		speakers is set to minimum.	speakers.
		A monaural sound source is being	Select another sound field program
		played in DOLBY PRO LOGIC or	suitable for the monaural sound source.
		DOLBY PRO LOGIC ENHANCED
		mode.
	No sound from the center speaker.	The sound output level of the center	Raise the sound output level of the
		speaker is set to minimum.	center speaker.
		The center channel mode is in NONE	Select LARGE or SMALL.
		mode.
		Incorrect sound field program selection.	Select the appropriate program.

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DSP-A595-7 44 3/25/99, 3:55 PM