Yamaha CDC-91 TROUBLESHOOTING, SPECIFICATIONS, 20W, 98 dB, 108 dB, 2±0.5V, GENERAL, ±0.5 dB, 230V, 50 Hz, Unmeasurable, AUDIO SECTION, (with L.P.F.), General model

TROUBLESHOOTING

If the unit fails to operate normally, check the following points to determine whether the problem can be corrected by the simple measures suggested. If it cannot, or if the problem is not listed in the SYMPTOM column, disconnect the unit's power cord and contact your authorized YAMAHA dealer or service center for assistance.

SYMPTOM	PROBABLE CAUSE	REMEDY
The player does not switch ON when the	The power cord is not connected or not completely	Securely connect the power cord.
POWER switch is pressed.	connected.
The disc tray does not close completely.	A foreign object is obstructing the tray.	Carefully check the disc tray and remove the foreign
		object.
A disc number does not illuminate in the	The disc has been loaded upside down.	Load the disc correctly.
display.
	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.
Play does not begin.	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 necessary.
place.
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	Direct sunlight or lighting (of an inverter type of	Change position of the main unit.
work.	fluorescent lamp etc.) is striking the remote control
	sensor of the main unit.

SPECIFICATIONS

AUDIO SECTION		GENERAL
Frequency response ...................	2 Hz – 20 kHz, +0.5 / –1 dB	Power requirements
De-emphasis equalization .........................................	±0.5 dB	U.S.A. and Canada models	............................ 120V, 60 Hz
Harmonic distortion+noise		Australia and U.K. models	............................. 240V, 50 Hz
(with L.P.F.) .....................................	Less than 0.004% (1 kHz)	Europe model ..................................................	230V, 50 Hz
S/N ratio ........................................................................	108 dB	General model ......................	110/120/220/240V, 50/60 Hz
Dynamic range ...............................................................	98 dB	Power consumption ........................................................	20W
Wow & flutter ...................................................	Unmeasurable	Dimensions (W x H x D) ......................	435 x 107.5 x 387 mm
Output voltage .............................................................	2±0.5V	Weight ...................................................	(17-1/8” x 4-1/4” x 15-1/4”)
Headphones output (–20 dB) ....................	200 mV/150 ohms		6.2 kg (13 lbs. 10 oz.)
		Accessories ..................................................	Connection cord
			Remote control transmitter

Batteries (size “AA”, R6)Please note that all specifications are subject to change without notice.

14