Troubleshooting; Power/System Troubleshooting - Yamaha RX-V471 Owner's Manual

Refer to the table below if the unit does not function properly.
If the problem you are experiencing is not listed below, or if the instructions below do not help, turn off the unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
Confirm the following points first.
The power plugs of the unit, TV and external devices (such as a BD/DVD player) are plugged into the electric outlet securely.
The unit, subwoofer, TV and external devices (such as a BD/DVD player) are turned on.
The cables between devices are connected securely.
Power/system
The power will not turn on.
The unit cannot be turned off.
The unit enters standby mode soon after
the power is turned on.
The unit enters standby mode.
The unit does not work properly.
The internal circuits of the unit have a problem.
The internal microcomputer is hung-up due to an external electric
shock (such as lightning or excessive static electricity) or by a drop in
the power supply voltage.
The unit was turned on while a speaker cable is shorted.
The sleep timer has turned the unit off.
The auto power down function is activated because of no operations
with the remote control or the unit itself for a while.
The protection circuitry has been activated because of a short circuit,
etc.
The heat protection has been activated because sound was continually
output at high volumes.
The internal microcomputer is hung-up due to an external electric
shock (such as lightning or excessive static electricity) or by a drop in
the power supply voltage.
The capability to turn on the power is disabled as a safety precaution. Contact
your nearest Yamaha dealer or service center to request repairs.
Press and hold (/) (power) for over 10 seconds. The unit will be initialized and
rebooted.
Make sure that all speaker cables between the unit and speakers are
connected properly.
Turn on the unit, and play the source again.
Set "Auto Power Down" to "Off" to disable the auto power down function
(p.68).
Make sure that all speaker cables between the unit and speakers are
connected properly.
Wait until the unit cools to normal temperature, turn on the unit again and turn
down the volume level and play the source again (p.31).
Press and hold (_ (power) for over 10 seconds. The unit will be initialized and
rebooted.
En
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