Yamaha CDX-9 TROUBLESHOOTING, SPECIFICATIONS, 15W, work, place, 98 dB, REMEDY, 118 dB, SYMPTOM, GENERAL, normally, No sound, 120V, 60 Hz, 230V, 50 Hz, Sound “hums”

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	PROBABLE CAUSE	REMEDY
The player does not switch ON when the	The power cord is not connected or not	Securely connect the power cord.
STANDBY/ON switch is pressed.	completely connected.
It happens that this unit does not work	There is an influence of strong external noise	Turn this unit into the standby mode and
normally.	(lightning, excessive static electricity, etc.) or a	disconnect the AC power cord from the AC
	misoperation on this unit while using this unit.	outlet. After about 30 seconds have passed,
		connect the power and operate this unit again.
The disc tray does not close completely.	A foreign object is obstructing the tray.	Carefully check the disc tray and remove the
		foreign object.
Play does not begin.	The disc is damaged.	Check the disc carefully; replace it if
		necessary.
	There is moisture on the laser pickup.	Wait 20 to 30 minutes after switching the unit
		ON before trying to play a disc.
	The disc has been loaded upside down.	Reload the disc with the label side up.
	The disc is dirty.	Clean the disc.
Play is delayed, or begins at the wrong	The disc may be scratched or damaged.	Check the disc carefully; replace it if
place.		necessary.
No sound.	Improper output cable connections.	Connect the cables properly. If the problem
		persists, the cables may be defective.
	Improper amplifier operation.	Set the amplifier controls to the correct input
		selection.
Sound “skips”.	The player is being subjected to vibrations or	Relocate the player.
	impacts.
	The disc is dirty.	Clean the disc.
Sound “hums”.	Improper cable connections.	Securely connect the audio cables. If the
		problem persists, the cables may be defective.
Noise from a nearby tuner.	The tuner is too close to the player.	Move the tuner and player farther apart.
Noise from inside of the disc tray.	The disc may be warped.	Replace the disc.
The remote control transmitter does not	The batteries of this remote control transmitter	Replace the batteries with new ones.
work.	are too weak.
	Direct sunlight or lighting (of an inverter type of	Change position of the main unit.
	fluorescent lamp etc.) is striking the remote
	control sensor of the main unit.

SPECIFICATIONS

AUDIO SECTION

Frequency response .......................	2 Hz 1 20 kHz, 50.3 dB
Harmonic distortion + noise (1 kHz)		....................... 0.0022%
S/N ratio ........................................................................		118 dB
Dynamic range ...............................................................		98 dB
Wow & flutter ...................................................		Unmeasurable
Output voltage .........................................................		2.050.5V

GENERAL

Power requirements
U.S.A. model ..................................................	120V, 60 Hz
Europe and U.K. models ................................	230V, 50 Hz
General model .....................	110/120/220/240V, 50/60 Hz
Power consumption ........................................................	15W
Dimensions (W x H x D) ........................	280 x 82.5 x 354 mm
	(11” x 3-1/4” x 13-15/16”)
Weight .......................................................	3.8 kg (8 lbs. 6 oz.)
Accessories ...................................................	Connection cord
	Remote control transmitter
	Batteries (size AA, R6, UM-3)

Please note that all specifications are subject to change without notice.

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