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.

 

SYMPTOM

CAUSE

REMEDY

 

 

 

 

 

No power even if the POWER switch is

AC supply lead is not plugged in.

Plug into the AC supply lead.

 

pressed.

 

 

 

 

 

 

 

It happens that this unit does not work

There is an influence of strong external noise

Turn this unit in the standby mode and disconnect the AC

 

normally.

(lightning, excessive static electricity, etc.) or a

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

 

 

misoperation on this unit while using this unit.

passed, connect the power and operate this unit again.

 

 

 

 

 

No sound from one speaker

Loose speaker connections.

Connect properly.

 

 

 

 

 

No sound from speakers.

Internal protection circuit is functioning.

Unplug the AC supply lead from the wall AC outlet, and then

 

 

 

plug in again.

 

 

 

 

 

No sound from the rear speakers.

One rear speaker connection is loose or bad.

Connect it properly.

 

 

 

 

 

 

The sound output level to the rear speakers is

Raise the sound output level to the rear speakers.

 

 

set to minimum.

 

 

 

No sound field program is selected.

Select the appropriate program.

 

No sound from the center speaker.

The sound output level to the center speaker is

Raise the sound output level to the center speaker.

 

 

set to minimum.

 

 

 

The center channel mode is in PHANTOM

Select NORMAL mode.

 

 

mode.

 

 

 

Incorrect sound field program selection.

Select the appropriate program.

 

 

No sound field program is selected.

 

SYSTEM

No sound (or no picture) from an external

Incorrect cord connections.

Connect the cords properly. If the problem persists, the

unit connected with this unit.

 

cords may be defective.

 

 

 

 

Input source selection is not proper.

Make a proper input source selection.

 

 

 

 

THE

Can’t set timer.

Current time is not set.

Set current time.

 

 

 

This unit will not operate properly.

The internal microcomputer has been frozen by

Unplug the AC supply lead from the wall AC outlet, and then

 

 

an external electric shock (lightning, excessive

plug in again after about one minute.

 

 

static electricity, etc.) or power supply with low

 

 

 

voltage.

 

 

 

 

 

 

Excessive static in FM broadcasts.

Interference from starting motor of nearby car.

Position the FM antenna as high and as far away from

 

 

 

nearby roads as possible. Connect using a coaxial cable.

 

 

Interference from thermostat of nearby electrical

 

 

 

 

 

appliance.

 

 

 

 

 

 

Noise increases during stereo broadcasts.

Antenna input is too weak due to obstructions or

Check antenna connections.

 

 

excessive distance from broadcasting station.

 

 

 

Install a multi-element type FM antenna if possible.

 

 

 

 

 

 

 

 

Stereo broadcasts are noisy and STEREO

Insufficient antenna input.

Install an antenna appropriate for the electric field strength of

 

indicator blinks on and off.

 

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 by

 

 

flourescent lights, electric motors or thermostat

grounding AM loop antenna.

 

 

of nearby electrical appliance.

 

 

 

 

 

 

 

TV or microprocessor is being used nearby.

Move away from TV or microprocessor.

 

 

 

 

 

AM broadcast sensitivity is poor.

Radio signal is weak or antenna is not properly

Properly connect AM loop antenna.

 

 

connected.

 

 

 

Change orientation of AM loop antenna.

 

 

 

 

 

 

 

 

 

 

Install an external AM antenna.

 

 

 

 

 

A disc cannot be played back normally, or

A nonstandardized disc is played back.

Play back another disc.

PLAYER

there is a noise during playback.

 

 

 

 

 

Playback will not begin even if disc is loaded.

Disc is upside down.

Load disc label side up.

 

 

 

 

 

 

 

Disc is dirty.

Clean disc.

 

 

 

 

CD

No sound (or no picture).

Setting of the INPUT SELECTOR.

Select the CD player by turning the INPUT SELECTOR.

 

 

 

Sound stops suddenly (always at same spot).

Disc is dirty.

Clean disc.

VIDEO

 

 

 

 

Volume is set too high.

Lower volume.

 

 

 

 

 

 

 

A picture is disturbed or unstable.

Setting of the TV MODE switch on the rear panel

Set the TV MODE switch to another proper position.

 

 

is improper.

 

 

 

 

 

CONTROL

Remote control doesn’t work.

Batteries are dead.

Replace batteries.

 

 

 

 

Remote control is too far away or is being used

Use within 6 m and 60° radius.

 

 

 

 

at incorrect angle.

 

 

 

 

 

 

 

Direct sunlight or lighting (of an inverter type of

Change position of the main unit.

REMOTE

 

flourescent lamp etc.) is striking the remote

 

 

control sensor of the main unit.

 

 

 

 

TV functions strangely when the remote

Remote control is being used near TV set with a

Relocate this unit away from the TV or cover TV’s remote

control is used.

remote control sensor.

control sensor.

 

 

 

 

English

E-41