Appendix

Additional Information

Troubleshooting

Common

Symptom

Cause

Action (See)

 

 

 

Power doesn’t turn on.

Leads and connectors are incor-

Confirm once more that all connections are

The unit doesn’t operate.

rectly connected.

correct.

 

 

 

 

The fuse is blown.

Rectify the reason for the fuse blowing, then

 

 

replace the fuse. Be very sure to install the

 

 

correct fuse with the same rating.

 

 

 

 

Noise and other factors are causing

Press RESET. (Page 10)

 

the built-in microprocessor to oper-

 

 

ate incorrectly.

 

 

 

 

Playback is not possible.

The disc is dirty.

Clean disc. (Page 74)

 

 

 

 

The loaded disc is a type this unit

Check what type the disc is.

 

cannot play.

 

 

 

 

 

Non compatible video system disc

Change to a disc compatible to your video

 

is loaded.

system.

 

 

 

No sounds are heard.

Cables are not connected correctly.

Connect the cables correctly.

The volume level will not rise.

 

 

The unit is performing still, slow mo-

There is no sound during still, slow motion or

 

 

tion or frame-by-frame playback.

frame-by-frame playback.

 

 

 

There is no picture.

The parking brake cord is not con-

Connect a parking brake cord, and apply the

 

nected.

parking brake.

 

 

 

 

The parking brake is not applied.

Connect a parking brake cord, and apply the

 

 

parking brake.

The icon is displayed, and op- eration is not possible.

The operation is prohibited for the

This operation is not possible.

disc.

 

The operation is not compatible with the disc’s organization.

This operation is not possible.

The picture stops (pauses) and

Reading of data has become impos-

After pressing gonce, start playback once

the unit cannot be operated.

sible during playback.

more.

 

 

 

There is no sound.

The volume level is low.

Adjust the volume level.

Volume level is low.

 

 

The attenuator is on.

Turn the attenuator off.

 

 

 

 

There is audio and video skip-

The unit is not firmly secured.

Secure the unit firmly.

ping.

 

 

 

 

 

The picture is stretched, the as-

The aspect setting is incorrect for

Select the appropriate setting for your display.

pect is incorrect.

the display.

(Page 36)

When the ignition switch is turned ON (or turned to ACC), the motor sounds.

The unit is confirming whether a disc is loaded or not.

This is a normal operation.

Nothing is displayed.

The touch panel keys cannot be used.

The rear view camera is not con- nected.

B-CAM is at incorrect setting.

Connect a rear view camera.

Press V.ADJ to return to the source display and then select the correct setting for B- CAM. (Page 41)

70 En

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Pioneer AVH-P4900D operation manual Additional Information Troubleshooting, Common, Symptom, Cause, Action See