Radio Reception - Yamaha MCR-750 Manual De Instrucciones

TROUBLESHOOTING
Problem
The power is
suddenly turned off.
The clock setting has
been cleared.
Sound is heard from
the speaker on one
side only.
There is noise
interference from
digital or radio
frequency
equipment.
This unit makes a
snapping sound
when starting
playback or loading a
disc.
No sound from the
subwoofer.
The system settings
change
automatically.
The HDMI control
function does not
work properly.
The automatic
lipsync is not
effective even [Lip
Sync] is set to [Auto].

Radio reception

Problem
FM stereo reception is
noisy.
The desired station
cannot be tuned into
with the automatic
tuning method.
The preset selecting
function does not
work.
There is distortion,
and clear reception
cannot be obtained
even with a good FM
antenna or an outdoor
antenna.
42
En
Cause
The sleep timer is set.
[Auto Power Off] is set to [On].
The power cable has been disconnected.
Incorrect cable connections.
This unit is too close to the digital or
high-frequency equipment.
The subwoofer is not connected properly.
When [HDMI Control] is set to [On],
operations of the TV (for example,
changing channels, etc.) changes the
system settings.
[HDMI Control] is set to [Off].
The HDMI control function is disabled
on your TV.
The TV does not support the automatic
lipsync.
Cause
The antenna is connected improperly.
The characteristics of FM stereo
broadcasts cause this problem when the
transmitter is too far away or the
antenna input is poor.
The signal is too weak.
The preset (memory) has been erased.
Multipath reflection or other radio
interference has occurred.
Remedy
This is not malfunction. Turn on this unit and play
the source again.
Set [Auto Power Off] to [Off].
Connect the power cable, and set the clock again.
Connect the cables properly. If the problem persists,
the cables may be defective.
Move this unit farther away from such equipment.
These sounds are not malfunctions of this unit but
are normal operating conditions.
Check that the subwoofer is connected properly.
Set [HDMI Control] to [Off] or set the system again
by using its remote control.
Set [HDMI Control] to [On].
Refer to the manual supplied with your TV and
check the setting.
Set [Lip Sync] to [Manual] and then manually adjust
the audio output delay.
Remedy
Check the antenna connections.
Try using a high-quality directional FM antenna.
Switch to monaural mode.
Use a high-quality directional FM antenna.
Use the manual tuning method.
Preset radio stations again.
Change the height, direction, or placement of the
antenna.
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