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Troubleshooting
Before requesting service, make the following
checks. If you are in doubt about some of the
check points, or if the solutions indicated do not
solve the problem, consult your dealer for
instructions.
█ Common problems
No power
After connecting the AC mains lead, wait about
•
10 seconds before switching on the main unit.
Disconnect the AC mains lead for 10 seconds
•
before connect again.
After switching on the main unit, if the main unit
•
immediately switches off, disconnect the AC mains
lead and consult your dealer.
If the main unit does not switch on when switching
•
on TV (HDMI CEC), switch on the main unit
manually.
No operations can be done with the remote
control.
Remove the insulation sheet before you use the
•
remote control for the first time. (
Examine that the battery is installed correctly.
•
(
6)
The battery is weak. Replace it with a new one.
•
(
6)
Set the remote control code again after replacing
•
the battery. (
21)
Use the remote control within the correct operation
•
range. (
4)
The system automatically switched to standby
mode
"Auto off" function is on.
•
The system automatically switches to standby mode
if there is no signal input and no operation is being
performed for approximately 20 minutes. Refer to
page 17 to switch off this function.
█ Bluetooth
®
Pairing cannot be done.
Check the Bluetooth
•
The device is out of the 10 m communication range.
•
Move the device nearer to the system.
The device cannot be connected.
The pairing of the device was unsuccessful. Do
•
pairing again.
The pairing of the device has been replaced. Do
•
pairing again.
This system might be connected to a different
•
device. Disconnect the other device and try
connecting the device again.
The system may have a problem. Switch off the
•
system and then switch on again.
6)
device condition.
®
The device is connected but audio cannot be
heard through the system.
For some built-in Bluetooth
•
set the audio output to "SC-HTB490" manually.
Read the operating instructions of the device for
details.
Sound from the device is interrupted.
The device is out of the 10 m communication range.
•
Move the device nearer to the system.
Remove any obstacle between the system and the
•
device.
Other devices that use the 2.4 GHz frequency band
•
(wireless router, microwaves, cordless phones, etc.)
are interfering. Move the device nearer to the
system and distance it from the other devices.
█ HDMI
HDMI CEC related operations no longer function
properly.
Check the setting on the connected devices.
•
Switch on HDMI CEC function on the connected
–
devices.
Select this system as the speaker in the TV's
–
HDMI CEC menu.
When the HDMI connections are changed, after a
•
power failure or after the AC mains lead has been
removed, HDMI CEC operations may not function
properly.
Switch on all the devices that are connected to
–
the TV with an HDMI cable and then switch on the
TV.
Switch off the HDMI CEC settings of the TV and
–
switch it on again. For details refer to the
operating instructions for the TV.
While the system and the TV are connected with
–
an HDMI cable, switch on the TV, disconnect the
AC mains lead of this system and then connect it
again.
█ Sound
No sound
Cancel muting. (
16)
•
Check the connections to the other devices.
•
(
7)
Make sure that the received audio signal is
•
compatible with this system.
If the system is connected to the TV with an HDMI
•
cable only, make sure that the HDMI terminal of the
TV is labelled "HDMI (ARC)". If not, connect an
optical digital audio cable. (
Check the connections. Change the cables if the
•
connections are correct.
Check the audio output settings on the connected
•
device.
The situation may improve by changing the digital
•
audio output setting on the connected device from
"Bitstream" to "PCM".
devices, you have to
®
7)
19
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