Owner's Manual

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, set this unit to the standby mode, disconnect the power cord, and contact the nearest
authorized YAMAHA dealer or service center.
General
Problem
Cause
Remedy
Refer
to
page
This
unit
falls to
turn
The power supply cord
is
not connected
or
Connect the power supply cord firmly.
-
on. the plug
is
not completely inserted.
The impedance setting is incorrect. Set the impedance to match your speakers.
7
The protection circuitry has been activated
Check that the speaker wires are not touching each
8
because
of
a short circuit, etc. other and then
tum
the power
of
this unit back on.
The IMPEDANCE SELECTOR switch on
Set the IMPEDANCE SELECTOR switch to either
7
the rear panel
is
not set to either end.
end when the power
of
this unit is turned off.
This unit has been exposed to a strong
Set this unit to the standby mode, disconnect the
external electric shock (such as lightning
power supply cord, plug it back in after 30 seconds, -
or strong static electricity).
then use it normally.
No sound Incorrect input
or
output cable
Connect the cables properly.
If
the problem persists,
8
connections. the cables may be defective.
No appropriate input source has been Select an appropriate input source with the INPUT
selected.
selector on the front panel (or one
of
the input
11
selector buttons on the remote control).
The TAPE MONITOR function is turned
Tum
off
the TAPE MONITOR function.
4
on.
The SPEAKERS AlB switches are not set Set the corresponding SPEAKERS A or B switch to
11
properly. the ON position.
Speaker connections are not secure.
Secure the connections.
8
The sound suddenly The protection circuitry has been activated
Check that the IMPEDANCE SELECTOR setting
is
7
goes off.
because
of
a short circuit, etc. correct.
Check that the speaker wires are not touching each
8
other and then tum the power
of
this unit back on.
Only the speaker on Incorrect cable connections.
Connect the cables properly.
If
the problem persists,
8
one side can be
the cables may be defective.
heard.
Incorrect setting for the BALANCE Set the BALANCE control to the appropriate
13
control. position.
There Is a lack
of
bass The + and - wires are connected
in
Connect the speaker wires to the correct + and -
8
and no ambience. reverse at the amplifier
or
the speakers. phase.
A
"humming"
sound Incorrect cable connections. Connect the audio plugs firmly.
If
the problem
8
can
be
heard. persists, the cables may be defective.
No connection from the turntable to the Make the GND connection between the turntable and
8
GND terminal. this unit.
The volume level is The record
is
being played on a turntable The turntable should be connected to this unit through
low while playing a with an MC cartridge. the MC head amplifier. -
record.
The volume level
The component connected to the TAPE
Tum
on the power
of
the component.
cannot be increased, OUT
or
the MD OUT terminals
of
this
or
the sound is unit is turned off.
-
distorted.
16