Yamaha CRX-M5 Owner's Manual page 33

SYMPTOM
Excessive static in FM broadcasts.
Noise increases during stereo
broadcasts.
Stereo broadcasts are noisy and
STEREO indicator blinks on and off.
Cannot select preset stations.
Buzzing or static during AM
broadcasts.
AM broadcast sensitivity is poor.
Cannot set timer
The unit does not work normally.
Play does not begin.
Play is delayed, or begins at the
wrong place.
CD synchronized recording or
Automatic recording function
does not work.
Sound "skips."
Sound "hums."
Noise from inside of the unit.
The remote control transmitter
does not work.
TV functions strangely when the
remote control is being used.
CAUSE
Interference from starting motor of a nearby
car.
Interference from the thermostat of a
nearby electrical appliance.
Antenna input is too weak due to
obstructions or excessive distance from
the broadcasting station.
Insufficient antenna input.
Preset memory has been erased.
Interference from source such as lightning,
fluorescent lights, electric motors or
thermostat of nearby electrical appliance.
TV or microprocessor is being used nearby.
Radio signal is weak or the antenna is not
properly connected.
Current time is not set.
The internal microcomputer has been
frozen by an external electric shock
(lightning, excessive static electricity, etc.)
or the power supply with low voltage.
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.
The system cable is not connected
securely.
The unit is being subjected to vibrations
or impacts.
The disc is dirty.
Improper cable connections.
The disc may be warped.
The batteries of the remote control
transmitter are too weak.
Remote control is too far away or is being
used at an incorrect angle.
Direct sunlight or lighting (of an inverter
type of fluorescent lamp, etc.) is striking
the remote control sensor of the unit.
Remote control is being used near, TV
set with a remote control sensor.
Getting Started Playing CDs
ADDITIONAL INFORMATION
REMEDY
Position the FM antenna as high and as far
away from nearby roads as possible. Connect
using a coaxial cable.
Check the antenna connection.
Install a multi-element type FM antenna if possible.
Install an antenna appropriate for the electric
field strength of your area.
Reprogram memory presettings.
The problem is difficult to eliminate, but can be
lessened by grounding AM loop antenna.
Move away from TV or microprocessor.
Properly connect the AM loop antenna.
Change orientation of the AM loop antenna.
Install an external AM loop antenna.
Set current time.
Unplug the AC power cord from the wall outlet,
and then plug in again after about one minute.
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 facing up.
Clean the disc.
Check the disc carefully; replace it if
necessary.
Connect the system cable properly.
Relocate the unit.
Clean the disc.
Securely connect the audio cables. If the
problem persists, the cables may be defective.
Replace the disc.
Replace the batteries with new ones.
Use within 6 meters and 60 degree radius.
Change the position of the unit.
Relocate this unit away from the TV or cover
the TV's remote control sensor.
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