Yamaha RX-V793 CAUSE, REMEDY, Others, SYMPTOM, not work, FM antenna, hissing noises, longer be tuned in, (especially in the evening), FM stereo reception is noisy

	SYMPTOM	CAUSE	REMEDY
	FM stereo reception is noisy.	Because of the characteristics of FM stereo	Check the antenna connections.
		broadcasts, this is limited to cases where the	Try using a high quality directional FM
		transmitter is too far away or the antenna	antenna.
		input is poor.	Set the TUNING MODE button to the manual
			tuning mode.
FM	There is distortion and clear reception	There is multipath interference.	Adjust antenna placement to eliminate
	cannot be obtained even with a good		multipath interference.
	FM antenna.
	A desired station cannot be tuned in	The station is too weak.	Use the manual tuning method.
	with the automatic tuning method.		Use a high quality directional FM antenna.
	Previously preset stations can no	This unit has been unplugged for a long	Repeat the presetting procedure.
	longer be tuned in.	period.
	A desired station cannot be tuned in	Weak signal or loose antenna connections.	Tighten the AM loop antenna connections
	with the automatic tuning method.		and rotate it for best reception.
			Use the manual tuning method.
AM
	There are continuous crackling and	Noises will result from ligtning, fluorescent	Use an outdoor antenna and a ground wire.
	hissing noises.	lamps, motors, thermostats and other	This will help somewhat but it is difficult to
		electrical equipment.	eliminate all noise.
	There are buzzing and whining noises	A television set is being used nearby.	Relocate this unit away from the TV.
	(especially in the evening).
Remote control transmitter	The remote control transmitter does	Direct sunlight or lighting (of an inverter type	Change the position of the main unit.
	not work.	of fluorescent lamp etc.) is striking the remote
		control sensor of the main unit.
		The batteries of this remote control	Replace the batteries with new ones.
		transmitter are too weak.
Others	The sound is degraded when listening	This unit is in the standby mode.	Turn the power to this unit on.
	with the headphones connected to the
	compact disc player or cassette deck
	that are connected with this unit.

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