TROUBLESHOOTING

General

PROBLEM

POSSIBLE CAUSE

WHAT TO DO

Power does not come on.

AC cord not properly plugged in.

Carefully plug AC plug into outlet.

 

 

 

The unit turns off suddenly soon after the

The IMPEDANCE SELECTOR switch on the rear

Set the switch to the upper or the lower end exactly.

power is turned on.

panel is not set to the upper or the lower end

 

 

exactly.

 

 

 

 

Hum.

Bad cable connection.

Firmly plug in all connection cables.

 

 

 

No sound.

Bad or incorrect input connection.

Check connections.

 

Incorrect input source selection.

Select the appropriate input source with the input selector buttons.

 

Digital signals other than PCM audio or the Dolby

Play a source whose signals this unit can reproduce.

 

Digital (AC-3) encoded signals which this unit

 

 

cannot reproduce are input to this unit by playing a

 

 

CD-ROM etc.

 

 

 

 

No sound from the effect speakers.

The EFFECT switch is set off.

Press the EFFECT switch to turn it on.

 

A Dolby Surround decoding program is being used

Use a different sound field program.

 

with material not encoded with Dolby Surround.

 

 

 

 

No sound from the center speaker.

The CENTER SPEAKERS mode is in “PHNTM”.

Select the appropriate mode.

 

One of the sound field programs No. 5 to No. 10 is

Select another program.

 

selected when the input signal of source is 2-

 

 

channel stereo (analog/PCM).

 

 

The input signals of source encoded with the Dolby

Refer to the instructions for the source currently played.

 

Digital (AC-3) do not have center channel signals.

 

 

 

 

Poor bass reproduction.

The LFE/BASS OUT mode is in the SWFR or

Select the MAIN position.

 

BOTH position, though your system does not

 

 

include a subwoofer.

 

 

Output mode selection for each channel (MAIN,

Make output mode selections suitable for your speaker system.

 

CENTER or REAR) is improper.

 

 

 

 

The sound suddenly goes off.

The protection circuit has activated because of

Turning the unit off and then on will reset the protection circuit.

 

short circuit etc.

 

 

 

 

The volume level cannot be increased, or

The power to the component connected to the

Turn the power to the component on.

sound is distorted.

REC OUT jacks of this unit is off.

 

 

 

 

The sound field cannot be recorded.

It is not possible to record the sound field on a tape

 

 

deck connected to this unit’s TAPE REC OUT

 

 

jacks.

 

 

 

 

English

77