Specifications

34
HT-CN300W_A_5.fm02/7/11
HT-CN300W
References
- Troubleshooting chart -
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.
Operation
Sound
Tuner
Remote control
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. 35
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
remote control.
P. 23
The power is not turned on.
z
Is the unit unplugged? P. 12
Symptom Possible cause Reference
page
No sound is heard.
z
Is the volume level set to "0"? P. 23
z
Are the speaker wires
disconnected?
P. 8
z
Is the speaker size set to NO (OFF)? P. 29
z
Is other equipment connected
properly?
P. 10
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. 31
Noise is heard during
playback.
z
Move the unit away from any
computers or mobile phones.
Symptom Possible cause Reference
page
Radio makes unusual noise
consecutively.
z
Move the unit away from any
computers or mobile phones.
z
Is the FM/AM loop aerial placed
properly? Move the aerial away from
the AC power lead if located near.
P. 8
Symptom Possible cause Reference
page
The remote control does not
operate properly.
z
Is the remote control plugged in? P. 12
z
Is the battery polarity respected? P. 16
z
Are the batteries dead?
z
Is the distance or angle incorrect? P. 16
z
Are there any obstructions in front of
the remote control sensor?
z
Is the remote control sensor
connected to the main unit?
P. 8
z
Is the LEARN/TRANSMIT selector
switch set to LEARN?
P. 20
z
Is the remote control sensor
exposed to strong light (inverter
fluorescent light, direct sunlight,
etc.)?
P. 16
z
Is the remote control for another
equipment used simultaneously?
The unit cannot be turned on
with the remote control.
z
Is the AC power lead of the unit
plugged in?
P. 12
z
Is the remote control plugged in? P. 12
z
Are the batteries inserted? P. 16
Signals are not memorised in
operation buttons for other
equipment.
z
Is the remote control plugged in? P. 12
z
Is the angle or the distance correct
for memorisation?
P. 20