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APPENDIX
Refer to the table below when this unit 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 unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
General
Problem
This unit does not
The internal microcomputer is frozen due
operate properly.
to an external electric shock (such as
lightning or excessive static electricity) or
by a drop in power supply voltage.
This unit suddenly
The internal temperature is too high and
enters the standby
the overheat protection circuitry has been
mode
activated.
The protection circuitry has been activated
because of a short circuit, etc.
The sleep timer has turned off this unit.
This unit fails to turn
The power cable is not connected or the
on or enters the
plug is not completely inserted.
standby mode soon
The speaker impedance setting is
after the power is
incorrect.
turned on.
(When this unit is turned back on and
"CHECK SP WIRES!" is displayed.) The
protection circuitry has been activated
because this unit was turned on while a
speaker cable was shorted.
This unit cannot be
The internal microcomputer is frozen due
turned off.
to an external electric shock (such as
lightning or excessive static electricity) or
by a drop in power supply voltage.
Troubleshooting
Cause
Disconnect the power cable from the AC wall outlet,
wait about 30 seconds and then plug it in again.
Wait about 1 hour for this unit to cool down and then
turn it back on.
Check that the speaker impedance setting is correct.
Check that the speaker wires are not touching each
other and then turn this unit back on.
Turn on this unit and play the source again.
Connect the power cable properly to an AC wall
outlet.
Set the speaker impedance to match your speakers.
Make sure that all speaker cables between this unit
and speakers are connected properly.
Disconnect the power cable from the AC wall outlet,
wait about 30 seconds and then plug it in again.
Remedy
See
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