Yamaha A-S700: Problems Possible Causes Solutions
Problems Possible Causes Solutions: Yamaha A-S700
Table of contents
- CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.
- CONTENTS FEATURES SUPPLIED ACCESSORIES
- CONTROLS AND FUNCTIONS Front panel
- Remote control
- Installing batteries in the remote Using the remote control control
- Rear panel
- Connecting speakers and other components CAUTION
- ■ Bi-wire connection CAUTION ■ Connecting via banana plug
- Connecting the supplied power cable
- Playing a source
- ■ Using the PURE DIRECT switch ■ Adjusting the BASS and TREBLE controls Adjusting the tonal quality ■ Using the CD DIRECT AMP switch
- ■ Adjusting the LOUDNESS control Recording a source
- TROUBLESHOOTING ■ General Problems Possible Causes Solutions
- Problems Possible Causes Solutions
- ■ Remote control Problems Possible Causes Solutions
- SPECIFICATIONS

TROUBLESHOOTING
Refer to
Problems Possible Causes Solutions
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 selector to 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 turn the power of this unit back on.
Only the speaker on
Incorrect cable connections. Connect the cables properly. If 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.
INFORMATION
No connection from the turntable to the
Make the GND connection between the turntable and
ADDITIONAL
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
Turn 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
Turn 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.
English
and LOUDNESS
10
controls does not
affect the tonal
quality.
13 En

