TROUBLESHOOTING

If your 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, 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.

 

 

SYMPTOMCAUSEREMEDY

 

 

The unit fails to turn on when the

AC supply lead is not plugged in.

Plug in the AC supply lead.

 

 

STANDBY/ON switch is pressed, or

 

 

 

 

turns into the standby mode suddenly

 

 

 

 

soon after the power is turned on.

 

 

 

 

 

 

 

 

 

It happens that this unit does not work

There is an influence of strong external

Turn this unit into the standby mode and disconnect

 

 

normally.

noise (lightning, excessive static

the AC power cord from the AC outlet. After about 30

 

 

 

electricity, etc.) or a misoperation on this

seconds pass, connect the power and operate this

 

 

 

unit while using this unit.

unit again.

 

 

 

 

 

 

 

The sound suddenly goes off.

The protection circuit has been activated

Turn this unit into the standby mode, and then turn

 

 

 

because of short circuit etc.

on to reset the protection circuit.

 

 

 

 

 

 

 

 

The SLEEP timer has functioned.

Cancel the SLEEP timer function.

 

 

 

 

 

 

 

No sound from one speaker

Loose speaker connections.

Connect properly.

 

 

 

 

 

 

 

No sound from speakers.

Speaker connections are not secure.

Secure the connections.

 

 

No sound from the rear speakers.

One rear speaker connection is loose or

Connect it properly.

 

 

 

bad.

 

 

 

 

 

 

 

 

 

The sound output level to the rear

Raise the sound output level to the rear speakers.

 

 

 

speakers is set to minimum.

 

 

 

 

 

 

GENERAL

 

No sound field program is selected.

Select the appropriate program.

 

 

 

No sound from the center speaker.

The center channel mode is in PHANTOM

Select NORMAL mode.

 

 

The sound output level to the center

Raise the sound output level to the center speaker.

 

 

 

speaker is set to minimum.

 

 

 

 

mode.

 

 

 

 

 

 

 

 

 

Incorrect sound field program selection.

Select the appropriate program.

 

 

 

No sound field program is selected.

 

 

 

 

 

 

 

 

No sound (or no picture) from an

Incorrect cord connections.

Connect the cords properly. If the problem persists,

 

 

external unit connected with this unit.

 

the cords may be defective.

 

 

 

 

 

 

 

 

Input source selection is not proper.

Make a proper input source selection.

 

 

 

 

 

 

 

Can’t set timer.

Current time is not set.

Set current time.

 

 

 

 

 

 

 

This unit will not operate properly.

The internal microcomputer has been

Unplug the AC supply lead from the wall AC outlet,

 

 

 

frozen by an external electric shock

and then plug in again after about one minute.

 

 

 

(lightning, excessive static electricity, etc.)

 

 

 

 

or power supply with low voltage.

 

 

 

 

 

 

 

 

The volume level cannot be increased,

The component connected to the

Turn the power to the component on.

 

 

or sound is distorted.

TAPE/MD OUT or VCR OUT terminals of

 

 

 

 

this unit is turned off.

 

 

 

 

 

 

 

 

The sound is degraded when listening

This unit is in the standby mode.

Turn on the power to this unit.

 

 

with the headphones connected to the

 

 

 

 

tape deck etc. that are connected with

 

 

 

 

this unit.

 

 

 

 

 

 

 

 

 

Excessive static in FM broadcasts.

Interference from starting motor of nearby

Position the FM antenna as high and as far away

 

 

 

car.

from nearby roads as possible. Connect using a

 

 

 

 

coaxial cable.

 

 

 

Interference from thermostat of nearby

 

 

 

 

 

 

 

electrical appliance.

 

 

 

 

 

 

 

 

Noise increases during stereo

Antenna input is too weak due to

Check antenna connections.

 

 

broadcasts.

obstructions or excessive distance from

 

 

 

Install a multi-element type FM antenna if possible.

 

 

 

broadcasting station.

 

 

 

 

 

 

 

 

 

 

 

Stereo broadcasts are noisy and

Insufficient antenna input.

Install an antenna appropriate for the electric field

TUNER

 

STEREO indicator blinks on and off.

 

strength of your area.

 

 

 

 

 

Cannot select preset stations.

Preset memory has been erased.

Reprogram memory presets.

 

 

 

 

 

 

 

 

 

Buzzing or static during AM broadcasts.

Interference from source such as lightning,

Problem is difficult to eliminate but can be lessened

 

 

 

fluorescent lights, electric motors or

by grounding AM loop antenna.

 

 

 

thermostat of nearby electrical appliance.

 

 

 

 

 

 

 

 

 

TV or microprocessor is being used

Move away from TV or microprocessor.

 

 

 

nearby.

 

 

 

 

 

 

 

 

AM broadcast sensitivity is poor.

Radio signal is weak or antenna is not

Properly connect AM loop antenna.

 

 

 

properly connected.

 

 

 

 

Change orientation of AM loop antenna.

 

 

 

 

 

 

 

 

 

 

 

 

 

Install an external AM antenna.

 

 

 

 

 

English

E-43