Yamaha YHT-470 - Manual (Page 17)

SYMPTOM
The player does not switch ON when the
POWER switch is pressed.
The disc tray does not close completely.
The DISC indicator does not illuminate.
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.
The player is being subjected to vibrations or
impacts.
The disc is dirty.
Improper cable connections.
The tuner is too close to the player.
The disc may be warped.
Direct sunlight or lighting (of an inverter type
of flourescent 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 the player.
Clean the disc.
Securely connect the audio cables. If the
problem persists, the cables may be defective.
Move the tuner and player farther apart.
Replace the disc.
Change position of the main unit.
17
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.
SPECIFICATIONS
AUDIO SECTION
Frequency response ..................... 10 Hz מ 20 kHz, ע 0.5 dB
De-emphasis equalization ........................................ ע 0.5 dB
Harmonic distortion + noise ......................... 0.003% (1 kHz)
S/N ratio ........................................................................ 108 dB
Dynamic range ............................................................... 98 dB
Wow & flutter ................................................... Unmeasurable
Output voltage................................................. 2.0
ע
0.5V max.
Headphones output (–20 dB) ............ 200
ע
40 mV/150 ohms
GENERAL
Power requirements
U.S.A. and Canada models ................................. 120V, 60 Hz
Australia and U.K. models .................................. 240V, 50 Hz
Europe model ...................................................... 230V, 50 Hz
General model ........................... 110/120/220/240V, 50/60 Hz
Power consumption ........................................................ 20W
Dimensions (W x H x D) ........................... 435 x 96 x 267 mm
(17-1/8” x 3-3/4” x 10-1/2”)
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.