Troubleshooting - NAD T550DVD Owner's Manual

PAGE 38
REFERENCE

Troubleshooting

Check the following guide for the possible cause of a problem before contacting service.
Operations Playback is not possible.
Picture
Picture playback stops and the
operation button can not be used.
Settings are cancelled.
No picture.
The screen is stretched or aspect
does not change.
Picture disturbance during playback
or dark.
When recorded on a VCR there is
disturbance in the playback picture.
Remote Control
Remote control operation is not
possible.
Some TVs sometimes malfunction.
Audio
No audio output or audio is distorted.
Symptom
mark appears on screen.
Not Allowed
Possible cause
The disc is dirty or warped.
The disc is not placed properly on the disc table.
Region No. does not conform with this unit.
The operating section of the player collects dew.
The disc has been loaded upside down.
The selected function does not operate for that disc.
First stop the disc (press the STOP button), then
start playback again.
When the power is turned off by power failure or
unplugging of the power cord, settings will be
cancelled. When unplugging the power cord,
please be sure to do so after first cancelling the
Display window "STANDBY" indicator by pressing
the STANDBY/ON button on the main unit or the
remote control unit.
Connection is incorrect.
Operation (settings) of TV or AV amplifier is not appropriate.
The multi aspect setting is not appropriate.
This player is compatible with Macro-Vision
System copy guard. Some discs include a copy
prevention signal, and when this type of disc is
played back, stripes etc., may appear on some
sections of the picture depending on the TV.
(This is not a malfunction.)
This player is compatible with analog copy protect
technology copy guard. Some discs include a
copy prevention signal and the copy guard system
will prevent proper playback.
The remote control is too far from the player, or
the angle with the remote sensor is too sharp.
The batteries are exhausted.
Some TVs that have wireless remote control
functions may be operated with this remote control.
The disc is dirty.
The connection plugs are not inserted fully into the
terminals or are not connected.
The connection plug or terminal is dirty.
Audio cable connection is wrong.
Connection is made to the stereo amplifier's
PHONO input terminal.
The pause mode is engaged.
Stereo amplifier operation is wrong. (Check input
(CD, AUX etc.) selector)
The DVD playing is recorded in DTS audio.