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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
„
Tu n er
„
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