38
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 pl ayer

"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