Additional Information; Troubleshooting; Receiver (R-840) - Yamaha PianoCraft MCR-840 Mode D'emploi

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ADDITIONAL INFORMATION

Refer to the table below when this system does not function properly. If the problem you are experiencing is not listed
below or if the instruction below does not help, turn off this system, disconnect the power cable, and contact the nearest
authorized Yamaha dealer or service center.

Receiver (R-840)

■ General
Problem
The receiver fails to
The power cable is not connected or the
turn on or enters
plug is not completely inserted.
standby mode soon
The receiver has been exposed to a strong
after the power is
external electric shock (such as lightning
turned on.
or strong static electricity).
The cable is short-circuited and the
protection circuity has been activated.
The internal temperature is too high, the
protection circuity has been activated.
No sound
Incorrect input or output cable
connections.
No appropriate input source has been
selected.
Speaker connections are not secure.
The volume is turned down.
The sound is muted.
Signals the receiver cannot reproduce are
being input from a source component,
such as a CD-ROM.
The sound suddenly
The timer has turned off the receiver.
goes off.
Sound is heard from
Cables are not connected properly.
the speaker on one
side only.
There is noise
The receiver is too close to the digital or
interference from
high-frequency equipment.
digital or radio
frequency
equipment.
The sound is
The volume level is too high.
distorted.
"CHK SP WIRE"
Speaker cables are short-circuited.
appears on the
display.

TROUBLESHOOTING

Cause
Connect the power cable firmly.
Set the receiver to standby mode, disconnect the
power cable, plug it back in after 30 seconds and
then use it normally.
Make sure that all speaker wire connections on the
receiver and on all speakers are secure and that the
wire for each connection does not touch anything
other than its respective connection.
Wait about 1 hour for the receiver to cool down and
then turn it back on.
Connect the cables properly. If the problem persists,
the cables may be defective.
Select an appropriate input source with the INPUT
selector on the front panel (or the input selection
keys on the remote control).
Secure the connections.
Turn up the volume.
Press MUTE or VOLUME +/– to resume audio
output and then adjust the volume.
Play a source whose signals can be reproduced by the
receiver.
Turn on the receiver, and play the source again.
Connect the cables properly. If the problem persists,
the cables may be defective.
Move the receiver further away from such
equipment.
Adjust the volume level.
Make sure speaker cables are connected correctly.
Remedy
See
page
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Ce manuel est également adapté pour:

Mcr-840

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