Make sure of the following when the unit does not function properly.
•The power cables of the unit, TV and playback devices (such as BD/DVD players) are connected to AC wall outlets securely.
•The unit, subwoofer, TV and playback devices (such as BD/DVD players) are turned on.
•The connectors of each cable are securely inserted in to jacks on each device.
If there is no problem with the power and cables, refer to the instructions shown in the table below.
If the problem you are experiencing is not listed or if the instructions do not help, turn off the unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
ProblemCauseRemedy
The power does not turn on.The protection circuitry has been activated three times
consecutively.
When the unit is in this condition, the standby indicator on
the unit’s front panel blinks if you try to turn on the power.
As a safety precaution, capability to turn on the power is disabled. Contact your
nearest Yamaha dealer or service center to request repair.
The power turns off (standby
mode) immediately.
The unit was turned on while a speaker cable was
shorted.
Twist the bare wires of each speaker cable firmly and reconnect to the unit and
speakers (p. 8).
The unit is not reacting.The internal microcomputer is frozen, due to an external
electric shock (such as lightning or excessive static
electricity) or to a drop in the power supply voltage.
Hold down z on the unit’s front panel for more than 10 seconds to initialize
and reboot the unit. (If the problem persists, disconnect the power cable from
the AC wall outlet and plug it again.)
No sound.Another input source is selected.Select an appropriate input source with the input selection keys.
Signals that the unit cannot reproduce are being input.Some digital audio formats cannot be played back on the unit. To check the
audio format of the input signal, use “Signal Info.” in the “Option” menu (p. 18).
For details, see “Checking information about the video/audio signals” in the
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