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A-S2000
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, tum off this unit. disconnect the AC power cable, and contact the nearest authorized
Yamaha dealer or service center.
Problem
Cause
Remedy
See
page
This unit fails to turn
The AC power cable is not connected to
Connect the AC power cable firmly.
on.
theAC I inlet on the rear panel or not
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plugged in the AC wall outlet.
The protection circuitry has been activated
Check that the speaker wires are not touching each
because of a short circuit, etc.
other or shorting out against the rear panel of this
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unit, and then turn the power of this unit back on.
This unit has been exposed to a strong
Turn otT this unit, disconnect the AC power cable.
external electric shock (such as lightning
plug it back in after 30 seconds, and then use it
-
or strong static electricity).
normally.
The POWER indicator
The protection circuitry has been activated
Check that the speaker wires are not touching each
on the front panel
because of a short circuit, etc.
other or shorting out against the rear panel of this
14
flashes.
unit. and then turn the power of this unit back on.
There is a problem with the internal
Disconnect the AC power cable and contact the
-
circuitries of this unit.
nearest authorized Yamaha dealer or service center.
The INPUT indicator
The protection circuitry has been activated
Check that the speaker wires are not touching each
on the front panel
because of a short circuit, etc.
other or shorting out against the rear panel of this
flashes and the
unit, and then turn the power of this unit back on.
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volume is turned
down when you turn
on this unit.
No sound.
Incorrect input or output cable
Connect the cables properly. If the problem persists,
14
connections.
the cables may be defective.
a appropriate input source has been
Select an appropriate input source with the fNPUT
selected.
selector on the front panel (or one of the input
-
selector buttons on the remote control).
The SPEAKERS switch is not set
Switch the SPEAKERS switch to the appropriate
properly.
position.
-
Speaker connections are not secure.
Secure the connections.
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The sound suddenly
The protection circuitry has been activated
Check that the speaker wires are not touching each
goes off.
because of a short circuit, etc.
other or shorting out against the rear panel of this
14
unit, and then turn the power of this unit back on.
Only the speaker on
Incorrect cable connections.
Connect the cables properly. If the problem persists,
14
one side can be
the cables may be defective.
heard.
Incorrect setting for the BALANCE
Set the BALA CE control to the appropriate
control.
position.
-
There is a lack of bass
The + and - wires are connected in
Connect the speaker wires to the correct + and-
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and no ambience.
reverse at the amplifier or the speakers.
phase.
A "humming" sound
Incorrect cable connections.
Connect the audio cable plugs firmly. If the problem
14
is heard.
persists. the cables may be defective.
No connection from the turntable
to
the
Connect the turntable to the GND terminal of this
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G D terminal.
unit.
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En