NAD T550DVD Manuel D’Utilisation

Page de 40
Troubleshooting
Check the following guide for the possible cause of a problem before contacting service.
Symptom
Possible cause
Operations
Picture
Audio
Remote Control
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.
Playback is not possible.
mark appears on screen.
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  operation  is  not
possible.
Some TVs sometimes malfunction.
No audio output or audio is distorted.
PAGE 38
REFERENCE
Not Allowed