TROUBLESHOOTING

If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help.

 

SYMPTOM

CAUSE

REMEDY

 

 

 

 

 

Crackling sounds from time to time

Ignition noise from passing vehicles.

The FM antenna should be put up as high

 

(especially in weak signal areas).

 

as possible, away from the road, and a

 

 

 

coaxial cable used.

 

 

 

 

 

 

Noise from thermostats or other electrical

Attach a noise suppressor to the equipment

 

 

equipment.

causing the noise.

 

 

 

 

 

FM stereo reception is noisy.

Because of the characteristics of FM stereo

Check the antenna connections.

 

 

broadcasts, this is limited to cases where

Try using a high quality directional FM

 

 

the transmitter is far away or the antenna

antenna.

 

 

input is poor.

Set the TUNING MODE button to the

 

 

 

manual tuning mode.

 

 

 

 

 

The “ST” indicator flickers and reception

Insufficient antenna input.

Use an antenna appropriate for the

FM

is noisy.

 

reception condition in your area.

 

 

 

 

 

Not tuned correctly.

Tune again.

 

 

 

 

 

There is distortion and clear reception

There is multipath interference.

Adjust antenna placement to eliminate multi-

 

cannot be obtained even with a good FM

 

path interference.

 

antenna.

 

 

 

 

 

 

 

No stereo effect even with a stereo

The TUNING MODE button is set to the

Set the button properly.

 

broadcast.

manual tuning mode.

 

 

 

 

 

 

A desired station cannot be tuned in with

The station is too weak.

Use the manual tuning mode.

 

Automatic tuning.

 

Use a high quality directional FM antenna.

 

 

 

 

 

Previously preset stations can no longer

The tuner has been unplugged for a long

Repeat the presetting procedure.

 

be tuned in.

period.

 

 

 

 

 

 

Insufficient sensitivity.

Weak signal or loose antenna connections.

Tighten the AM loop antenna connections

 

 

 

and rotate it for best reception.

 

 

 

 

 

A desired station cannot be tuned in with

 

 

 

 

Use the manual tuning mode.

 

Automatic tuning.

 

 

 

 

 

 

AM

There are continuous crackling and

These noises result from lightning,

Use an outdoor antenna and a ground wire.

hissing noises.

fluorescent lamps, motors, thermostats and

This will help somewhat but it is difficult to

 

 

other electrical equipment.

eliminate all noises.

 

 

 

 

 

There are buzzing and whining noises

Another station is interfering with the

This is impossible to remedy.

 

(especially in the evening).

received station.

 

 

 

 

 

 

 

A television set is being used nearby.

Relocate this unit away from the TV.

 

 

 

 

English

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