Troubleshooting Chart - Sharp HT-CN550DVW3 Operation Manual

Troubleshooting chart

Many potential problems can be resolved by the owner without calling a service
technician.
If something is wrong with this product, check the following before calling your
authorised SHARP dealer or service centre.
General
Symptom
No sound is heard. Is the volume level set to "0"?
Are the speaker wires
disconnected?
The sounds from speakers Are the speaker leads connected to
are not well balanced. the wrong channels?
Is each speaker placed at the same
distance from the listener?
Are speakers adjusted to the same
level?
Noise is heard during Move the unit away from any
playback. computers or mobile phones.
When a button is pressed, Set this unit to the power stand-by
the unit does not respond. mode and then turn it back on.
Interference or noise occurs Is the unit placed near TV with
on the TV image. internal aerial? Use an external
aerial.
The power is not turned on. Is the unit unplugged?
The protection circuit may be
activated. Unplug and plug in the
power lead again after 15 minutes or
more.
No images are displayed. Is TV turned on?
Is the input of TV switched?
Possible cause Reference
page
P. 25
P. 12
P. 12
P. 17
P. 47
−
P. 51
P. 12
P. 19
P. 51
P. 18
P. 18
DVD player
Symptom
Even though a disc has Is the disc loaded upside down?
been loaded, "NO DISC" is
Is the disc very dirty?
displayed.
Playback sounds are Does the disc satisfy the standards?
skipped.
Is the unit located near excessive
vibrations?
Has condensation formed inside the
unit?
The control buttons do not Is the disc very dirty?
function. Music or video
Does the disc satisfy the standards?
playback is interrupted.
Is the unit located near excessive
vibrations?
Has condensation formed inside the
unit?
Pictures and sound are Is the disc very dirty?
skipped.
Is the unit located near excessive
vibrations?
Has condensation formed inside the
unit?
The unit does not operate Is a disc other than a DVD (region
even if the power is on. number on the back of the unit or
ALL), SVCD, VCD, audio CD, CD-R
or CD-RW loaded?
Image cannot be played Are the video and audio cables
back. (Sound is not heard.) connected improperly?
Is a disc other than a DVD (region
number on the back of the unit or
ALL), SVCD, VCD, audio CD, CD-R
or CD-RW loaded?
Is the disc very dirty?
Is the disc loaded upside down?
Clean the optical pickup if it is dirty.
Is the TV input set to "VIDEO 1/
VIDEO 2", etc.?
Is the unit turned on?
Possible cause Reference
page
−
−
−
−
P. 51
−
−
−
P. 51
−
−
P. 51
P. 3
P. 13 - 16
P. 3
−
−
−
P. 26
P. 18
HT-CN550DVW3
ENGLISH
E-50