Troubleshooting

To keep the warranty valid, never try to repair the system yourself. If you encounter problems when using this unit, check the following points before requesting service.

If normal operation cannot be obtained, unplug the power cord from the outlet and plug it again. This resets the internal micro-computer which can be disturbed during electrical storms, power interruptions, etc.

If unplugging the AC power cord does not solve the problem, try the following procedure to reset the internal micro-computer.

Note that resetting the unit will delete your radio presets and custom settings.

■Resetting the System setup

1.Turn the unit on.

2.Press 2for 3 seconds while holding down the

1/3.

3.Release 2and 1/3when “DR-645**” appears on the display.

4.Press 2.

■Resetting the DVD setup

To reset the custom settings on OSD to its default value, try the following procedure.

1.Turn the unit on.

2.Press SETUP. Setup menu appears on the display.

3.Select “PREFERENCE”, and then select “DEFAULT”.

4.Select “RESET”.

DR-645

■No power

Ensure that the AC power cord of the apparatus is connected properly.

Ensure that there is power at the AC wall outlet.

Press 9 ON/STANDBY to turn the unit on.

■No disc detected

Insert a disc.

Check if the disc is inserted upside down.

Wait until the moisture condensation at the lens has cleared. Replace or clean the disc.

Use a finalized CD or correct format disc.

■No picture

Check the video connection.

Turn on the TV to the correct Video-In channel.

Progressive scan is activated but the TV does not support progressive scan.

■Black and white or distorted picture

The disc does not match the TV color system standard (PAL/NTSC).

Sometimes a slight picture distortion may appear. This is not

amalfunction. Clean the disc.

A distorted picture may appear during progressive scan setup.

■The aspect ratio of the TV screen cannot be changed even though you have set the TV display format

The aspect ratio if fixed on the loaded DVD disc.

The aspect ratio may not be changed for some TV systems.

■No sound or poor sound

Adjust the volume.

Disconnect the headphones.

Check that the speakers are connected correctly.

Check if the stripped speaker wires are clamped.

■Remote control does not work

Before you press any function button, first select the correct source.

Reduce the distance between the remote control and the unit. Insert the battery with its polarities (+/-) aligned as indicated. Replace the battery.

Aim the remote control directly at the sensor on the front of the unit.