Yamaha CDC-755 Owner's Manual - Page 25

TROUBLESHOOTING, Dimensions W x H x D - problem

Page 25 highlights

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 The player does not switch ON when the POWER switch is pressed. The disc tray does not close completely. A disc number does not light up in the display. Play does not begin. Play is delayed, or begins at the wrong place. No sound. Sound "skips". Sound "hums". Noise from a nearby tuner. Noise from inside of the disc tray. The remote control transmitter does not work. PROBABLE CAUSE The power cord is not connected or not completely connected. A foreign object is obstructing the tray. The disc has been loaded upside down. The disc is damaged. There is moisture on the laser pickup. The disc has been loaded upside down. The disc is dirty. The disc may be scratched or damaged. Improper output cable connections. Improper amplifier operation. This unit is being subjected to vibrations or impacts. The disc is dirty. Improper cable connections. The tuner is too close to this unit. The disc may be warped. The batteries of this remote control transmitter are too weak. Direct sunlight or lighting (of an inverter type of fluorescent lamp etc.) is striking the remote control sensor of the main unit. REMEDY Securely connect the power cord. Carefully check the disc tray and remove the foreign object. Load the disc correctly. Check the disc carefully; replace it if necessary. Wait 20 to 30 minutes after switching the unit ON before trying to play a disc. Reload the disc with the label side up. Clean the disc. Check the disc carefully; replace it if necessary. Connect the cables properly. If the problem persists, the cables may be defective. Set the amplifier controls to the correct input selection. Relocate this unit. Clean the disc. Securely connect the audio cables. If the problem persists, the cables may be defective. Move the tuner and this unit farther apart. Replace the disc. Replace the batteries with new ones. Change position of the main unit. SPECIFICATIONS AUDIO SECTION Frequency response 2 Hz - 20 kHz, ±0.5 dB Harmonic distortion+noise (1 kHz 0.0025% or less S/N ratio 115 dB on more Dynamic range 100 dB on more Wow & flutter Unmeasurable Output voltage 2.0±0.5V Headphones output (-20 dB 200 ± 40 mV/150 ohms GENERAL Power requirements U.S.A. and Canada models 120V, 60 Hz Australia model 240V, 50 Hz General model 110/120/220/240V, 50/60 Hz Power consumption 20W Dimensions (W x H x D 435 x 106 x 388 mm (17-1/8" x 4-3/16" x 15-1/4") Weight 5.6 kg (12 lbs. 5 oz.) Accessories Connection cord Remote control transmitter Batteries (size AA, R6,UM-3) Please note that all specifications are subject to change without notice. 25

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AUDIO SECTION
Frequency response
..........................
2 Hz – 20 kHz, ±0.5 dB
Harmonic distortion+noise
(1 kHz)
.............................................................
0.0025% or less
S/N ratio
..........................................................
115 dB on more
Dynamic range
..............................................
100 dB on more
Wow & flutter
...................................................
Unmeasurable
Output voltage
..........................................................
2.0±0.5V
Headphones output (–20 dB)
............
200 ± 40 mV/150 ohms
GENERAL
Power requirements
U.S.A. and Canada models
............................
120V, 60 Hz
Australia model
..............................................
240V, 50 Hz
General model
......................
110/120/220/240V, 50/60 Hz
Power consumption
........................................................
20W
Dimensions (W x H x D)
.........................
435 x 106 x 388 mm
(17-1/8” x 4-3/16” x 15-1/4”)
Weight
.............................................................................
5.6 kg
(12 lbs. 5 oz.)
Accessories
..................................................
Connection cord
Remote control transmitter
Batteries (size AA, R6,UM-3)
Please note that all specifications are subject to change
without notice.
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
The player does not switch ON when the
POWER switch is pressed.
The disc tray does not close completely.
A disc number does not light up in the
display.
Play does not begin.
Play is delayed, or begins at the wrong
place.
No sound.
Sound “skips”.
Sound “hums”.
Noise from a nearby tuner.
Noise from inside of the disc tray.
The remote control transmitter does not
work.
PROBABLE CAUSE
The power cord is not connected or not completely
connected.
A foreign object is obstructing the tray.
The disc has been loaded upside down.
The disc is damaged.
There is moisture on the laser pickup.
The disc has been loaded upside down.
The disc is dirty.
The disc may be scratched or damaged.
Improper output cable connections.
Improper amplifier operation.
This unit is being subjected to vibrations or impacts.
The disc is dirty.
Improper cable connections.
The tuner is too close to this unit.
The disc may be warped.
The batteries of this remote control transmitter are
too weak.
Direct sunlight or lighting (of an inverter type of
fluorescent lamp etc.) is striking the remote control
sensor of the main unit.
REMEDY
Securely connect the power cord.
Carefully check the disc tray and remove the foreign
object.
Load the disc correctly.
Check the disc carefully; replace it if necessary.
Wait 20 to 30 minutes after switching the unit ON
before trying to play a disc.
Reload the disc with the label side up.
Clean the disc.
Check the disc carefully; replace it if necessary.
Connect the cables
properly.
If the problem
persists, the cables may be defective.
Set the amplifier controls to the correct input
selection.
Relocate this unit.
Clean the disc.
Securely connect the audio cables.
If the problem
persists, the cables may be defective.
Move the tuner and this unit farther apart.
Replace the disc.
Replace the batteries with new ones.
Change position of the main unit.
SPECIFICATIONS