Yamaha AS1000 - Amplifier Kullanıcı El Kitabı - Sayfa 24
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Troubleshooting
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, turn off this unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
Problem
This unit fails to turn
The power cable is not connected to the
on.
AC IN inlet on the rear panel or not
plugged in the AC wall outlet.
The protection circuitry has been activated
because of a short circuit, etc.
This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).
The POWER indicator
The protection circuitry has been activated
on the front panel
because of a short circuit, etc.
flashes.
There is a problem with the internal
circuitries of this unit.
The INPUT indicator
The protection circuitry has been activated
on the front panel
because of a short circuit, etc.
flashes and the
volume is turned
down when you turn
on this unit.
No sound.
Incorrect input or output cable
connections.
No appropriate input source has been
selected.
The SPEAKERS switch is not set
properly.
Speaker connections are not secure.
The sound suddenly
The protection circuitry has been activated
goes off.
because of a short circuit, etc.
Only the speaker on
Incorrect cable connections.
one side can be
heard.
Incorrect setting for the BALANCE
control.
There is a lack of bass
The + and – wires are connected in
and no ambience.
reverse at the amplifier or the speakers.
A "humming" sound
Incorrect cable connections.
is heard.
No connection from the turntable to the
GND terminal.
24
En
Cause
Connect the power cable firmly.
Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.
Turn off this unit, disconnect the power cable, plug it
back in after 30 seconds, and then use it normally.
Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.
Disconnect the power cable and contact the nearest
authorized Yamaha dealer or service center.
Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit 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 one of the input
selector buttons on the remote control).
Switch the SPEAKERS switch to the appropriate
position.
Secure the connections.
Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.
Connect the cables properly. If the problem persists,
the cables may be defective.
Set the BALANCE control to the appropriate
position.
Connect the speaker wires to the correct + and –
phase.
Connect the audio cable plugs firmly. If the problem
persists, the cables may be defective.
Connect the turntable to the GND terminal of this
unit.
Remedy
See
page
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