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HT-CN300H_(E)5.fm
02/6/17
HT-CN300H
Re
fe
re
nces
- T
roub
le
s
h
ooting c
h
a
rt -
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 author-
ised SHARP dealer or service centre.
Operation
Sound
TV image
Tuner
Symptom
Possible cause
Reference
page
When a button is pressed,
the unit does not respond.
z
Set this unit to the power stand-by
mode and then turn it back on. If the
unit still malfunctions, reset it.
P. 41
Timer playback does not
start.
z
Is your unit unplugged, or has the
power failure occurred? Reset the
clock.
P. 22
The display on the unit is
dark.
z
Press the DIMMER button on the re-
mote control.
P. 23
The power is not turned on.
z
Is the unit unplugged?
P. 13
Symptom
Possible cause
Reference
page
No sound is heard.
z
Is the volume level set to "0"?
P. 23
z
Are the speaker wires disconnect-
ed?
P. 8
z
Is the speaker size set to NO (OFF)?
P. 35
z
Is other equipment connected prop-
erly?
P. 11
The sounds from speakers
are not well balanced.
z
Are the speaker leads connected to
the wrong channels?
P. 8
z
Is each speaker placed at the same
distance from the listener?
P. 14
z
Are speakers adjusted to the same
level?
P. 37
Noise is heard during play-
back.
z
Move the unit away from any com-
puters or mobile phones.
Symptom
Possible cause
Reference
page
No images are displayed.
z
Is TV turned on?
P. 18
z
Is the input of TV switched?
P. 18
z
Is TV connected properly?
P. 11
Settings are not displayed on
the TV screen.
z
The settings will not appear when
TV is connected with an S-video ca-
ble. Verify on the main unit display.
P. 23
Interference or noise occurs
on the TV image.
z
Is the unit placed near TV with inter-
nal aerial? Use an external aerial.
Colour variation interference
shows on the TV image.
z
Are the speakers placed in their
proper distances? Turn off the TV
and turn it back on after 15 - 30 min-
utes. If the situation persists, move
the speakers further away from the
TV.
P. 14
Symptom
Possible cause
Reference
page
Radio makes unusual noise
consecutively.
z
Move the unit away from any com-
puters or mobile phones.
z
Is the FM aerial or AM loop aerial
placed properly? Move the aerial
away from the AC power lead if lo-
cated near.
P. 9