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DV-AT4000
SHARP 9HX55769150
References
- Troubleshooting chart -
Troubleshooting chart
Many potential problems can be resolved by the owner without calling a service tech-
nician.
If something is wrong with this product, check the following before calling your autho-
rized SHARP dealer or service center.
"
DVD player
"
Remote control
Symptom Possible cause Reference
page
No sound is heard.
!
The audio cable is disconnected.
P. 12
!
Is the TV or amplifier volume level
set to "0"?
Noise is heard during play-
back.
!
Move the unit away from any com-
puters or mobile phones.
When a button is pressed,
the unit does not respond.
!
Set this unit to the power stand-by
mode and then turn it back on.
P. 39
The display on the unit is
dark.
!
Is the display in the dimmer mode? P. 15
The power is not turned on.
!
Is the unit unplugged? P. 14
The sound is not reproduced
in the Dolby Digital 5.1 ch.
!
Is the initial setting screen set to
"LPCM"? Change it to "BitStream".
P. 12
No images are displayed.
!
Is TV turned on?
!
Is the input of TV switched?
Even though a disc has been
loaded, NO DISC is dis-
played.
!
Is the disc loaded upside down?
!
Is the disc very dirty?
Playback sounds are
skipped.
!
Does the disc satisfy the standards?
!
Is the unit located near excessive vi-
brations?
!
Has condensation formed inside the
unit?
P. 39
The control buttons do not
function. Music or video play-
back is interrupted.
!
Is the disc very dirty?
!
Does the disc satisfy the standards?
!
Is the unit located near excessive vi-
brations?
!
Has condensation formed inside the
unit?
P. 39
Symptom Possible cause Reference
page
Pictures and sound are
skipped.
!
Is the disc very dirty?
!
Is the unit located near excessive vi-
brations?
!
Has condensation formed inside the
unit?
P. 39
The unit does not operate
even if the power is on.
!
Is a disc other than a DVD (region
number 1 or ALL), SVCD, VCD, au-
dio CD, CD-R or CD-RW loaded?
P. 11
Image cannot be played
back. (Sound is not heard.)
!
Are the video and audio cables con-
nected improperly?
P. 12 - 14
!
Is a disc other than a DVD (region
number 1 or ALL), SVCD, VCD, au-
dio CD, CD-R or CD-RW loaded?
P. 11
!
Is the disc very dirty?
!
Is the disc loaded upside down?
!
Clean the optical pickup if it is dirty. P. 37
!
Is the TV input set to "VIDEO 1/VID-
EO 2" etc.?
!
Is the unit turned on? P. 15
Symptom Possible cause Reference
page
The remote control does not
operate properly.
!
Is the battery polarity respected? P. 15
!
Are the batteries dead?
!
Is the distance or angle incorrect? P. 15
!
Are there any obstructions in front of
the unit?
!
Is the remote control sensor ex-
posed to strong light (inverter fluo-
rescent light, direct sunlight, etc.)?
P. 15
!
Is the remote control for another
equipment used simultaneously?
The unit cannot be turned on
with the remote control.
!
Is the unit unplugged? P. 14
!
Are the batteries inserted? P. 15