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4 Troubleshooting
Troubleshooting 25
Troubleshooting
4
Troubleshooting
General
PROBLEM CAUSE & CORRECTION
The unit does not
work properly.
y Turn off the power of this unit and the connected external device
(TV, Woofer, DVD-player, Amplier, etc.) and turn them on again.
y Disconnect the power cord of this unit and the connected external device
(TV, Woofer, DVD-player, Amplier, etc.) and then try connecting again.
y Previous setting may not be saved when device power is shut off.
No Power
y The power cord is unplugged.
Plug in the power cord.
y Check whether electricity failed.
Check the condition by operating other electronic devices.
No sound
y Incorrect input source is selected.
Check the input source and select the correct input source.
y The mute function is activated.
Press [ (Mute) or adjust the volume level to cancel the mute function.
y When you are using connection with an external device
(set top box, Bluetooth device etc.), adjust volume level of the device.
The remote control
does not work
properly.
y The remote control is too far from the unit.
Operate the remote control within about 7 m.
y There is an obstacle in the path of the remote control and the unit.
Remove the obstacle.
y The batteries in the remote control is exhausted.
Replace the batteries with new one.
The AUTO POWER
function does not
work.
y Check connection of the external device such as TV, DVD/Blu-Ray player or
Bluetooth device.
y Depending on the connected device, this function may not operate.
LG Sound Sync does
not work.
y Check whether your LG TV supports LG Sound Sync.
y Check connection of LG Sound Sync (Optical or wireless).
y Check sound setting of your TV and this unit.
The unit does
not connect with
Bluetooth device
y Turn off the Bluetooth connection lock function. (Page 21)
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