Troubleshooting Chart - Sharp HT-CN410DVH Operation Manual

Troubleshooting chart

HT-CN410DVH
ENGLISH
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 author-
ised SHARP dealer or service centre.
General
Symptom
No sound is heard.
The sounds from speakers
are not well balanced.
Noise is heard during play-
back.
When a button is pressed,
the unit does not respond.
Interference or noise occurs
on the TV image.
The power is not turned on.
No images are displayed.
E-50
Possible cause Reference
page
Is the volume level set to "0"? P. 24
Are the speaker wires disconnect- P. 10
ed?
Are the speaker leads connected to P. 10
the wrong channels?
Is each speaker placed at the same P. 17
distance from the listener?
Are speakers adjusted to the same P. 48
level?
−
Move the unit away from any com-
puters or mobile phones.
Set this unit to the power stand-by P. 51
mode and then turn it back on.
Is the unit placed near TV with inter- P. 11
nal aerial? Use an external aerial.
Is the unit unplugged? P. 16
The protection circuit may be acti- P. 51
vated. Unplug and plug in the power
lead again after 15 minutes or more.
Is TV turned on? P. 19
Is the input of TV switched? P. 19
DVD player
Symptom Possible cause
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?
03/10/29 HTCN410DVH 8_E2.fm
Reference
page
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P. 51
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P. 51
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P. 51
P. 4
P. 12 - 16
P. 4
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P. 25
P. 18