Yamaha A-S700 Owner's Manual page 17

TROUBLESHOOTING
Problems
Possible Causes Solutions
Refer to
page
No sound
Sound is muted.
Press MUTE on the remote control to resume the
3
audio output.
Incorrect cable connections. Connect the stereo cable for audio units and the
speaker wires properly. If the problem persists, the 6
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
9
selector buttons on the remote control).
The SPEAKERS selector is not set Set the corresponding SPEAKERS selectorto A, B or
9
properly. A+B position.
The sound SUddenly
The protection circuitry has been activated Check that the IMPEDANCE SELECTOR setting is
5
goes off.
because of a short circuit, etc. correct.
Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
6
unit, and then tum the power of this unit back on.
Only the speaker on
Incorrect cable connections.
Connect the cables properly
[I' the problem persists,
6
one side can be the cables may be defective.
heard.
Incorrect setting for the BALANCE Set the BALANCE control to the appropriate
10
control. position.
There Is a lack of
The + and - wires are connected in Connect the speaker wires to the correct + and -
bass and no reverse at the amplifier or the speakers. phase. 6
ambience.
A "humming" sound Incorrect cable connections. Connect the audio plugs firmly. If the problem
6
can be heard.
persists, the cables may be defective.
No connection from the turntable to the Make the GND connection between the turntable and
6
GND terminal. this unit.
The volume level is The turntable is connected to the jacks Connect the turntable to the PHONO jacks.
6
low while playing a
other than the PHONO jacks.
record.
The record is being played on a turntable Use a turntable equipped with an MM cartridge.
-
with an MC cartridge.
The volume level
The component connected to LINE 2 REC Tum on the power of the component.
cannot be Increased, or LINE 3 REC terminals of this unit is
or the sound is
turned off.
-
distorted.
The sound is The power of this unit is turned off, or this Turn on the power of this unit.
degraded when
unit is set to the standby mode.
listening with the
headphones
9
connected to the CD
player or the tape
deck connected to
this unit.
The sound level is
The LOUDNESS control is functioning. Set the LOUDNESS control to the FLAT position.
11
low.
The input source
The CD DIRECT AMP switch is turned Tum off the CD DIRECT AMP switch.
cannot be changed on.
10
although the INPUT
selector is rotated.
Using the BASS, The CD DIRECT AMP switch or the The CD DIRECT AMP switch or the PURE DIRECT
TREBLE, BALANCE
PURE DIRECT switch is turned on.
switch must be turned off to use those controls.
and LOUDNESS
10
controls does not
affect the tonal
quality.
13
En
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