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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

„Tun er

„Remote control

Symptom Possible cause Reference
page
When a button is pressed,
the unit does not respond.
zSet 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.
zIs your unit unplugged, or has the
power failure occurred? Reset the
clock.
P. 22
The display on the unit is
dark.
zPress the DIMMER button on the
remote control. P. 23
The power is not turned on. zIs the unit unplugged? P. 12
Symptom Possible cause Reference
page
No sound is heard. zIs the volume level set to "0"? P. 23
zAre the speaker wires
disconnected? P. 8
zIs the speaker size set to NO (OFF)? P. 29
zIs other equipment connected
properly? P. 10
The sounds from speakers
are not well balanced.
zAre the speaker leads connected to
the wrong channels? P. 8
zIs each speaker placed at the same
distance from the listener? P. 14
zAre speakers adjusted to the same
level? P. 31
Noise is heard during
playback.
zMove the unit away from any
computers or mobile phones.
Symptom Possible cause Reference
page
Radio makes unusual noise
consecutively.
zMove the unit away from any
computers or mobile phones.
zIs 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.
zIs the remote control plugged in? P. 12
zIs the battery polarity respected? P. 16
zAre the batteries dead?
zIs the distance or angle incorrect? P. 16
zAre there any obstructions in front of
the remote control sensor?
zIs the remote control sensor
connected to the main unit? P. 8
zIs the LEARN/TRANSMIT selector
switch set to LEARN? P. 20
zIs the remote control sensor
exposed to strong light (inverter
fluorescent light, direct sunlight,
etc.)?
P. 16
zIs the remote control for another
equipment used simultaneously?
The unit cannot be turned on
with the remote control.
zIs the AC power lead of the unit
plugged in? P. 12
zIs the remote control plugged in? P. 12
zAre the batteries inserted? P. 16
Signals are not memorised in
operation buttons for other
equipment.
zIs the remote control plugged in? P. 12
zIs the angle or the distance correct
for memorisation? P. 20