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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
See
Problem Cause Remedy
page
This unit fails to turn Tile power supply cozd is not connected 02 Connect tile powm supply cozd fimfl_
on. the plug is not completely inserted
The impedance setting is inconect. Set the impedance to match yore speakers. 11
The protection circuitzy has been activated Check that the speaker wires are not touching each 11
because of a shozl" circuit, etc. other and then alrn the power of this unit back on
The IMPEDANCE SELECTOR switch on Set the IMPEDANCE SELECTOR switch to either
11
the rear panel is not set to either end end when the powa of this unit is turned otl_
This unit has been exposed to a strong Set this trait 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 electzici_,), then use it nonnally.
No sound Inconect input or output cable Connect the cables properly If tile problem persists,
connections the cables may be defective
No aplJropriate input source has been Select an appropriate input somce with the INPUT
selected, selector on the fiont panel (or one of the input
selector buttons on the remote control)
The SPEAKERS _ZL'Bswitches are not set Turn on the conesponding SPEAKERS A or
properly. SPEAKERS B.
Speaker connections are not secme. Secllre tile connections.
The sound suddenly
goes off.
The protection circuitz T has been activated
because ofa shozt circuit, etc.
Check that the IMPEDANCE SELECTOR setting is
conect.
Check that the speaker wires are not touching each
other and then alrn the power of this unit back on
Only the speaker on Inconect cable connections Connect the cables properly. If the problem pmsists,
one side can be the cables may be defective
heard.
Inconect setting fo_ the BALANCE Set the BALANCE control to tile app!opriate
cotmol, position.
There is a lack of bass The + and wires are connected in Connect the speaker wires to the correct + and
and no ambience, reverse at the amplifier or tile speakms phase
A "humming" sound Inconect cable connections Connect tile audio plugs firmly. If the problem
can be heard, pmsists, the cables may be defective
No connection from the turntable to the Make the GND connection between the turntable and
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 camidge the MC head amplifier.
record.
The volume level Tile component connected to tile MDi Turn on tile powel of the conll3onent
cannot be increased, TAPE OUT jacks of this unit is ammd off.
or the sound is
distorted.
10
15
15
11
11
11
10
16
11
10
10
42