User manual

94 EN94 EN
TROUBLESHOOTING
Before requesting service for this unit, check the table below for a possible cause of the problem you are experiencing.
Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation.
Symptom Remedy
Power
The power does not turn on. • Check that the AC power cord is connected securely.
• Check the breaker (in case of power failure).
Picture
There is no picture. • Re-connect the connecting cords securely.
• Check if the connecting cords are damaged.
• If the main menu appears on the TV screen, press [RETURN] to exit.
• Check the connection to your TV (pages 18-21).
• Check if the progressive scan mode is set correctly according to your TV
(page 90).
• Switch the input selector on your TV (such as to “L1”) so that the signal from
the unit appears on the TV screen.
Picture noise appears. • Clean the disc with a cleaning cloth.
TV program pictures are
distorted.
• Check if all the connections are made correctly (page 18).
Playback picture is distorted. • Keep the device which may cause electrical disturbances, such as a cellular
phone away.
Playback picture or TV program
from the device connected
through the unit is distorted.
• If the playback picture output from a DVD player, VCR or tuner goes through
the unit before reaching your TV, the copy-protection signal applied to some
programs could affect picture quality. Disconnect the playback device in
question and connect it directly to your TV.
Cannot record a TV program. • This unit does not have a tuner to receive TV broadcasting.
• You must connect this unit to an external tuner to record TV programs
(page 18).
Sound
There is no sound. • Clean the disc with a cleaning cloth.
• Re-connect all connections securely.
• Check if the connecting cord is damaged.
• Check the connections to the amplifier input.
• The input device setting on the amplifier is incorrect.
• The unit is in pause mode or in slow-motion playback mode.
• The unit is in fast forward or fast reverse mode.
• If the audio signal does not come through the DIGITAL AUDIO OUTPUT
(COAXIAL) jack, check the setting in “Audio Out” (page 85).
No DTS sound on digital output. • Change the setting menu for DTS to ON.
No DTS sound from analog
output
• This unit has no analog sound output when playing back the selected DTS
sound mode.
Sound is noisy. • Clean the disc with a cleaning cloth.
Remote control
The remote control does not
function.
• Batteries are weak.
• There are obstacles between the remote control and the unit.
• The remote control is far from the unit.
• There are no batteries in the remote control.
• Check if the unit is turned on.
• The remote control is not pointed at the infrared sensor window on the unit.
E7PCAUD_DR420KU_EN.indd 94E7PCAUD_DR420KU_EN.indd 94 2/6/2009 10:56:03 AM2/6/2009 10:56:03 AM