TROUBLESHOOTING

Problem

No sound from the center speaker.

No sound from the rear speakers.

No sound from the subwoofer.

Poor bass reproduction.

A “humming” sound can be heard.

The volume level cannot be increased, or the sound is distorted.

The sound effect cannot be recorded.

The sound field parameters and some other settings on the unit cannot be changed.

The unit does not operate properly.

“CHECK SP WIRES” appears on the front panel display.

There is noise interference from digital or high-frequency equipment, or this unit.

The unit suddenly turns into standby mode.

Cause

The output level of the center speaker is set to minimum.

“SOUND 1A CENTER” on the set menu is set to NON.

One of the Hi-Fi DSP programs (1 to 4) has been selected (except for 5ch Stereo).

The source encoded with a Dolby Digital or DTS signal does not have a center channel signal.

The output level of the rear speakers is set to minimum.

A monaural source is being played with program 9.

“SOUND 1D BASS” on the set menu is set to MAIN when a Dolby Digital or DTS signal is being played.

“SOUND 1D BASS” on the set menu is set to SWFR or MAIN when a 2-channel source is being played.

The source does not contain low bass signals (90 Hz and below).

“SOUND 1D BASS” on the set menu is set to SWFR or BOTH and your system does not include a subwoofer.

The speaker mode settings (main, center or rear) on the set menu does not match your speaker configuration.

Incorrect cable connections.

The component connected to the OUT (REC) jacks of this unit is turned off.

It is not possible to record the sound effect with a recording component.

“OPTION 2 MEM. GUARD” in the set menu is set to ON.

The internal microcomputer has been frozen by an external electric shock (such as lightning or excessive static electricity) or by a power supply with low voltage.

The speaker cables are short circuited.

This unit is too close to the digital or high-frequency equipment.

The internal temperature has become too high and the overheat protection circuitry has been activated.

Remedy

Refer to

 

page

 

 

Raise the level of the center speaker.

46

 

 

Select the appropriate mode for your center

38

speaker.

 

 

 

Select another DSP program.

24 – 29

 

 

 

–

 

 

Raise the output level of the rear speakers.

46

 

 

Select another DSP program.

24 – 29

 

 

Select SWFR or BOTH.

39

 

 

Select BOTH.

39

 

 

 

–

 

 

Select MAIN.

39

 

 

Select the appropriate position for each speaker

38 – 39

based on the size of the speakers in your

 

configuration.

 

 

 

Firmly connect the audio plugs. If the problem

–

persists, the cables may be defective.

 

 

 

Turn on the power to the component.

–

 

 

 

–

 

 

Set “OPTION 2 MEM. GUARD” in the set

–

menu to OFF.

 

 

 

Disconnect the AC power cord from the outlet

–

and then plug it in again after about 30 seconds.

 

 

 

Make sure all speaker cables are connected

–

correctly.

 

 

 

Move this unit further away from such

–

equipment.

 

 

 

Wait until the unit cools down and then turn it

–

back on.

 

 

 

50