Pioneer S-21W: Troubleshooting

01_S-21W&S-11.book 13 ページ ２０１０年３月１６日　火曜日　午前１１時２８分

Troubleshooting

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Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is

something wrong with this component, check the points below. Sometimes the trouble may lie

in another component. Investigate the other components and electrical appliances being used.

If the trouble cannot be rectified even after exercising the checks listed below, ask your nearest

PIONEER authorized service center or your dealer to carry out repair work.

S-21W

Symptom Cause Remedy

No power is being supplied

• Power supply plug is not

• Insert plug securely.

(Indicator does not light up

correctly inserted.

when POWER switch is

turned on) .

No sound

• Connection of accessory

• Check again and connect

(Indicator is lit blue) .

RCA plug cord is wrong or

correctly.

disconnected.

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• Volume knob is set to MIN.

• Turn clockwise slowly.

• Input level is too low.

• Raise the receiver’s output

level.

Sound is distorted. • Level is too high.

• Turn the volume knob

counter-clockwise to lower

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the level.

• Input level is too high.

•Turn the

receiver’s output

level (volume, bass control,

bass boost) counter-

clockwise to lower the level.

Howling noise occurs. • No power supplied to the

• Connect an

receiver and

receiver.

supply power.

• Subwoofer level is set too

• Place the subwoofer a good

high.

distance from speakers.

Turn the volume knob

counter-clockwise to lower

the volume.

Pyccкий

Much noise when listening

• The AM loop antenna or

• Increase the distance

to AM or FM broadcasts.

the FM indoor antenna is

between the AM or FM

close to this unit.

antenna (for indoor use)

and this unit.

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