TROUBLESHOOTING

General

Problem

Cause

Remedy

 

 

 

This unit fails to turn

The power cord is not connected or the

Connect the power cord firmly.

on when POWER is

plug is not completely inserted.

 

pressed.

 

 

This unit has been exposed to a strong

Disconnect the power cord, plug it back in after 30 seconds, then

 

 

external electric shock (such as lightning

use it normally.

 

or strong static electricity).

 

 

 

 

A “humming” sound

Incorrect cable connections.

Firmly connect the audio connection cord plugs. If the problem

can be heard.

 

persists, the cables may be defective.

 

 

 

This unit does not

The internal microcomputer has been

Disconnect the AC power cord from the outlet and then plug it in

operate properly.

frozen by an external electric shock (such

again after about 30 seconds.

 

as lightning or excessive static electricity)

 

 

or by a power supply with low voltage.

 

 

 

 

INFORMATION

ADDITIONAL

 

 

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