TROUBLESHOOTING

Problem

Cause

Remedy

Refer

 

 

 

to page

 

 

 

 

A “humming” sound

Incorrect cable connections.

Firmly connect the audio plugs. If the problem

10 – 16

can be heard.

 

persists, the cables may be defective.

 

 

 

 

 

The volume level

The component connected to the OUT

Turn on the power to the component.

—

cannot be increased, or

(REC) jacks of this unit is turned off.

 

 

the sound is distorted.

 

 

 

 

 

 

 

The sound effect

It is not possible to record the sound

 

—

cannot be recorded.

effect by a recording component.

 

 

 

 

 

 

The sound field

“10 MEM. GUARD” in the SET MENU

Set “10 MEM. GUARD” in the SET MENU to

—

parameters and some

is set to ON.

OFF.

 

other settings on this

 

 

 

unit cannot be

 

 

 

changed.

 

 

 

This unit does not

The internal microcomputer has been

operate properly.

frozen by an external electric shock (such

 

as lightning or excessive static electricity)

 

or by a power supply with low voltage.

Disconnect the AC power cord from the outlet

—

and then plug it in again after about 30 seconds.

 

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

Speaker cables are short circuited.

Make sure all speaker cables are connected

—

correctly.

 

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

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

Move this unit further away from such

—

equipment.

 

This unit suddenly

The internal temperature becomes too

turns into the standby

high and the overheat protection circuitry

mode.

has been activated.

Wait until this unit cools down and then turn it

—

back on.

 

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