Troubleshooting guide

The following checklist will help you remedy the problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures.

General

Problem

No sound.

Cause/Solution

•Cancel the MUTE function.

•Set the fader control to the center position for two-speaker systems.

•Rotate the dial in a clockwise direction to adjust the volume.

The contents of the memory have been erased.

The power cord or battery has been disconnected.

The reset button has been pressed.

nStore again into the memory.

Indications do not appear in the display.

Remove the front panel and clean the connectors. See “Cleaning the connectors” (page 29) for details.

CD/MD playback

 

 

Problem

Cause/Solution

EN

 

 

 

 

A disc cannot be loaded.

• Another CD is already loaded.

 

 

 

 

 

• The CD is forcibly inserted upside down or in the wrong way

 

 

 

(MD).

 

 

 

 

 

 

Playback does not begin.

Defective MD or dusty CD.

 

 

 

 

 

 

A disc is automatically ejected.

The ambient temperature exceeds 50 °C (122 °F).

 

 

 

 

 

 

The operation buttons do not

Press the reset button.

 

 

function.

 

 

 

 

 

 

 

The sound skips due to

• The unit is installed at an angle of more than 20°.

 

 

vibration.

• The unit is not installed in a sturdy part of the car.

 

 

 

 

 

 

Radio reception

 

 

 

 

 

 

 

Problem

Cause/Solution

 

 

 

 

 

 

Preset tuning is not possible.

• Memorize the correct frequency.

 

 

 

• The broadcast signal is too weak.

 

 

 

 

 

 

Automatic tuning is not

The broadcast signal is too weak.

 

 

possible.

nUse manual tuning.

 

 

 

 

 

 

The “ST” indication flashes.

• Tune in the frequency accurately.

 

 

 

• The broadcast signal is too weak.

 

 

 

nSet to the MONO mode (page 10).

 

 

 

 

 

 

DSP functions

 

 

 

Problem

Cause/Solution

 

 

 

 

 

 

No sound, or sound is too low.

The volume of the rear speakers may have been automatically

 

 

 

lowered in order to maximize the effect of the listening position

 

 

 

adjustment.

 

 

 

nRotate the dial in a clockwise direction to adjust the balance.

 

 

 

The speaker balance can be set separately for DSP on mode

 

 

 

and DSP off mode (page 22).

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