Yamaha R-V98 User Manual download pdf (Page 27)

AmplifierFMAMOthers

Remote control

transmitter

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

The unit fails to turn on when the POWER

switch is pressed.

No sound or no picture.

The sound suddenly goes off.

Only one side speaker outputs the sound.

Sound “hums”.

The volume level is low while playing a record.

The volume level cannot be increased, or

sound is distorted.

No sound from the rear speakers.

No sound from the center speaker.

FM stereo reception is noisy.

There is distortion and clear reception cannot

be obtained even with a good FM antenna.

A desired station cannot be tuned in with Auto

tuning.

A desired station cannot be tuned in with Auto

tuning.

There are continuous crackling and hissing

noises.

There are buzzing and whining noises

(especially in the evening).

The remote control transmitter does not work.

The sound is degraded when monitoring is

performed by using the headphones connected

to the compact disc player or cassette deck

CAUSE

Power cord is not plugged in or is not completely

inserted.

Incorrect output cord connections.

Appropriate input selector is not pressed.

The protection circuit has activated because of

short circuit etc.

Incorrect setting of the BALANCE control.

Incorrect cord connection.

Incorrect cord connections.

No connection from the turntable to the GND

terminal.

The record is being played on a turntable with an

MC cartridge.

The power to the component connected to the REC

OUT terminals of this unit is off.

The sound output level to the rear speakers is set

to 0.

The monaural sound source is played in DOLBY

PRO LOGIC or DOLBY PRO LOGIC ENHANCED

mode.

The sound output level to the center speaker is set

to 0.

The center mode is in PHANTOM mode.

Incorrect sound field program selection.

No sound field program is selected.

Because of the characteristics of FM stereo

broadcasts, this is limited to cases where the

transmitter is too far away or the antenna input is poor.

There is multipath interference.

The station is too weak.

Weak signal or loose antenna connections.

Noises will result from ligtning, fluorescent lamps,

motors, thermostats and other electrical equipment.

A television set is being used nearby.

Direct sunlight or lighting (of an inverter type of

flourescent lamp etc.) is striking the remote control

sensor of the main unit.

The batteries of this remote control transmitter are

too weak.

The power to this unit is off.

REMEDY

Firmly plug in the power cord.

Connect the cords properly. If the problem persists,

the cords may be defective.

Press the appropriate input selector corresponding

to the input source.

Turning the unit off and then on will reset the

protection circuit.

Adjust it to the appropriate position.

Connect the cord properly. If the problem persists,

the cables may be defective.

Firmly connect the audio plugs. If the problem

persists, the cords may be defective.

Make the GND connection between the turntable

and this unit.

The player should be connected to the unit through

the MC head amplifier.

Turn the power to the component on.

Turn up the sound output level with the REAR level

control.

Select another program suitable for the monaural

sound source.

Turn up the sound output level with the CENTER

level control.

Select NORMAL or WIDE.

Select the appropriate program.

Check the antenna connections.

Try using a multiple element FM antenna.

Adjust antenna placement to eliminate multipath

interference.

Use Manual tuning mode.

Use a high quality directional FM antenna.

Tighten the AM loop antenna connections and

rotate it for best reception.

Use Manual tuning mode.

Use an outdoor antenna and a ground wire. This

will help somewhat but it is difficult to eliminate all

noise.

Move the television away.

Change the position of the main unit.

Replace the batteries with new ones.

Turn the power to this unit on.

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Yamaha R-V98 User Manual Page 27

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