Additional information, Troubleshooting, General – Yamaha A-S700 User Manual
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En
ADDITIONAL INFORMATION
Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or
if the instructions below do not help, set this unit to the standby mode, disconnect the power cable, and contact the
nearest authorized Yamaha dealer or service center.
■ General
TROUBLESHOOTING
Problems
Possible Causes
Solutions
Refer to
page
Pressing the POWER
switch on the front
panel does not turn
on this unit. The
POWER on indicator
also does not light up.
The supplied power cable is not connected
or the cable is not completely inserted.
Connect the supplied power cable firmly.
The POWER ( ) button is pressed on the
remote control while this unit is turned
off.
Press POWER on the front panel to ON.
There is a problem with the internal
circuitries of this unit.
Disconnect the AC power cable and contact the
nearest authorized Yamaha dealer or service center. If
an unusual odor or noise is generated from the unit,
do not turn on the power, disconnect the AC power
cable, and contact a service center for repair.
—
The power of this unit
is turned off suddenly
and the POWER on
indicator blinks.
This unit is turned off
after several seconds
of turning on, and the
POWER on indicator
blinks.
The speaker wires are touching each other
or shorting out against the rear panel.
Connect the speaker cables properly and press the
power button ON again. The VOLUME is decreased
automatically and this unit is turned on after the
INPUT indicator blinks for about 15 seconds.
Confirm normal sound output from speakers by
increasing the volume gradually, then you can operate
this unit normally.
The speaker is a malfunction.
Replace the speaker set and press the power button
ON again. The VOLUME is decreased automatically
and this unit is turned on after the INPUT indicator
blinks for about 15 seconds. Confirm normal sound
output from speakers by increasing the volume
gradually, then you can operate this unit normally.
—
The protection circuitry has been activated
because of excessive input or excessive
volume level.
Rotate the VOLUME control on the front panel to
decrease the volume level and then turn the power on
again.
—
The protection circuitry has been activated
due to excessive internal temperature.
Allow about 30 minutes for the temperature inside
this unit to decrease, rotate the VOLUME control on
the front panel to lower the volume and then turn the
power on again. Set the unit in a place where heat can
readily dissipate from the unit.
—
The IMPEDANCE SELECTOR switch
may not be fully slid to either position.
Turn the power off and slide the IMPEDANCE
SELECTOR switch all the way to either position.
The impedance setting is incorrect.
Set the impedance to match your speakers.
This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).
Set this unit to the standby mode, disconnect the
power cable, plug it back in after 30 seconds, then use
it normally.
—
There is a problem with the internal
circuitries of this unit.
Disconnect the AC power cable and contact the
nearest authorized Yamaha dealer or service center. If
an unusual odor or noise is generated from the unit,
do not turn on the power, disconnect the AC power
cable, and contact a service center for repair.
—