Yamaha RX-397 owner manual Tuner

TROUBLESHOOTING

The sound is	The power of this unit is turned off, or this	Turn on the power of this unit.
degraded when	unit is set to the standby mode.
listening with the
headphones			14
connected to the CD
player or the tape
deck connected to
this unit.
The sound level is	The LOUDNESS control is functioning.	Set the LOUDNESS control to the FLAT position.	16
low.
The INPUT selector	The TAPE MONITOR function is turned	Turn off the TAPE MONITOR function.	3
will not function	on.
though it is rotated.
Using the BASS,	The PURE DIRECT button is turned on.	The PURE DIRECT button must be turned off to use
TREBLE, BALANCE		those controls.
and LOUDNESS			16
controls does not
affect the tonal
quality.

■Tuner

	Problem	Cause	Remedy	See
				page
	FM stereo	The particular characteristics of the FM	Check the antenna connections.	11
	reception is	stereo broadcasts being received may	Try using a high-quality directional FM antenna.
	noisy.	cause this problem when the transmitter is
			Try using the manual tuning method.	21
		too far away or the antenna input is poor.
	There is	There is multipath interference.	Adjust the antenna position to eliminate the multipath
	distortion, and		interference.
	clear reception			—
	cannot be
	obtained even
	with a good FM
FM	antenna.
	The desired	The signal is too weak.	Try using a high-quality directional FM antenna.	11
	station cannot
			Try using the manual tuning method.
	be tuned in
	with the			21
	automatic
	tuning method.
	Previously	This unit has been disconnected for a long	Preset the stations again.
	preset stations	period.		21
	can no longer
	be tuned in.
	The desired	The signal is weak or the antenna	Tighten the AM loop antenna connections and orient	—
	station cannot	connections are loose.	it for the best reception.
	be tuned in
			Try using the manual tuning method.
	with the			21
	automatic
	tuning method.
AM	There are	The noises may result from lightning,	Try using an outdoor antenna and a ground wire.
	continuous	fluorescent lamps, motors, thermostats or	This will help somewhat, but it is difficult to	—
	crackling and	other electrical equipment.	eliminate all noise.
	hissing noises.
	There are	A TV set is being used nearby.	Move this unit away from the TV set.	—
	buzzing and
	whining noises.

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