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Reference
Operations
TQBJ2019
23
Reference
Troubleshooting
Before requesting service, make the following
checks. If you are in doubt about some of the
check points, or if the solutions indicated in the
following guide do not solve the problem, consult
your dealer for instructions.
No power.
≥ After connecting the AC mains lead, wait about
10 sec. before turning on the unit.
≥ Unplug the AC mains lead for 10 sec. before
plug in again.
≥ After turning the main unit on, if the main unit
immediately turns off, unplug the AC mains lead
and consult your dealer.
≥
If the main unit does not turn on by turning on TV
(HDMI CEC), turn on the main unit manually.
The remote control does not work properly.
≥ The battery is depleted. Replace it with a new
one. ( 8)
≥
It is possible that the insulation sheet has not been
removed. Remove the insulation sheet. (
8)
≥ It may be necessary to set the code of the
remote control again after changing the battery
of the remote control. ( 21)
≥ Use the remote control within the correct
operation range. ( 8)
The main unit is automatically switched to
standby mode.
“Auto power down” function is on.
The main unit will automatically switch to standby
mode when no signal is input and no operation is
performed for approx. 20 minutes. Refer to page
21 to turn this function off.
HDMI CEC related operations no longer
function properly.
≥ Check the setting on the connected devices.
jTurn on HDMI CEC function on the connected
devices.
jSelect 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 unplugged, HDMI CEC operations may
not function properly.
j
Turn on all the devices that are connected to the
TV with an HDMI cable and then turn the TV on.
jTurn off the HDMI CEC settings of the TV and
turn it on again. For details refer to the
operating instructions for the TV.
j
While the main unit and the TV are connected with
the HDMI cable, turn on the TV and then unplug
the main unit’s AC mains lead and plug it again.
Pairing cannot be done.
Check the Bluetooth
®
device condition.
The device cannot be connected.
≥ The pairing of the device was unsuccessful or
the registration has been replaced. Try pairing
the device again. ( 18)
≥ This system might be connected to a different
device. Disconnect the other device and try
pairing the device again.
The device is connected but audio cannot be
heard through this system.
For some built-in Bluetooth
®
devices, you have to set
the audio output to “SC-HTB688”, “SC-HTB498” or
“SC-HTB488” manually. Read the operating
instructions for the device for details.
The sound is interrupted.
≥
The device is out of the 10 m communication range.
Bring the Bluetooth
®
device closer to the main unit.
≥ Remove any obstacle between the main unit
and the device.
≥ Other devices that use the 2.4 GHz frequency
band (wireless router, microwaves, cordless
phones, etc.) are interfering. Bring the
Bluetooth
®
device closer to the main unit and
distance it from the other devices.
If the above does not fix the problem, you may be
able to fix the problem by reconnecting the main
unit and the
Bluetooth
®
device. ( 18)
To return to the factory preset.
1 Turn on the main unit.
2 Press [ -PAIRING] to select “ ”.
3 Press and hold [Í/I] on the main unit for
more than 4 sec.
(All the indicators will blink until the system
restarts)
If this system does not operate as expected,
returning the settings to the factory preset
may solve the problem.
≥
The remote control code will return to the code 1
when this system is returned to the factory
preset. To change the remote control code, refer
to page 21.
General operation
HDMI
Bluetooth
®
SC-HTB488_688_EGEBGN_TQBJ2019.book 23 ページ ２０１７年３月８日 水曜日 午後５時１７分
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