Additional information, Troubleshooting, Maintenance – Yamaha KMA-700 User Manual

Page 20: Troubleshooting maintenance

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16

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ADDITIONAL INFORMATION

If problems should occur, check the following table for simple remedies.
If the problem still cannot be solved, please consult your dealer.

When the set gets dirty, wipe it with a soft, dry cloth.
Never use alcohol, thinner, benzene, insecticide or other volatile agents, for they may damage the surface paint or gloss
of the set.
Also do not wipe the set with a chemical cloth or leave it on the set for a long period, for the surface finish may
deteriorate or the paint may be stripped off.

TROUBLESHOOTING

Problems

Possible causes

Solutions

No speaker sound is
output at all.

POWER is set to OFF.

Set POWER to ON.

The power cable is unplugged.

Plug the power cable securely into the AC wall outlet.

MUSIC is in the lowest position.

Adjust MUSIC.

The wrong music source is selected when
Input mode is set to Manual in Setup mode.

Select the correct music source with INPUT or set Input
mode to Auto in Setup mode. Refer to “Input mode” on
page 14.

The sound is cut off due to a temperature rise
in the unit.

Turn the power off, then leave the unit alone for cooling.

No sound is output from
one of the speakers.

MUSIC BALANCE is turned fully to one
speaker.

Set the control to the center position.

One of the speaker cords is disconnected.

Insert the cord securely into the terminals.

No microphone sound is
output.

The microphone plug is not fully inserted.

Insert the plug securely into the jack.

The switch on the microphone is set to OFF.

Set the switch on the microphone to ON.

The corresponding MIC VOL or MIC controls
are in the minimum position.

Adjust the control.

The microphone is too far from your mouth, or
the microphone handling is incorrect.

Refer to the user’s manual supplied with your microphone.

The remote control does
not work, or does not
function properly.

The remote control is too far away or tilted too
much.

The remote control will function within 6 m (20’) and no
more than 30 degrees off-center from the front panel.

Direct sunlight or lighting is striking the
remote control sensor of this unit.

Reposition this unit.

Enable remote is set to Disable in Setup mode.

Set Enable remote to Enable in Setup mode. Refer to
“Enable remote” on page 14.

The wrong Remote mode is set in Setup mode.

Set the correct Remote mode in Setup mode. Refer to
“Remote mode” on page 14.

The battery is weak.

Replace with a new CR2025 battery. Refer to “Loading a
battery”
on page 11.

When INPUT does not work, Input mode is set
to Auto.

Set Input mode to Manual in Setup mode. Refer to “Input
mode”
on page 14.

MAINTENANCE

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