Troubleshooting - LG SPH5B-W Owner's Manual

Troubleshooting

PROBLEM
y Turn off the power of this unit and the connected external device (TV, Woofer,
The unit does not work
y Disconnect the power cord of this unit and the connected external device (TV,
properly.
y Previous setting may not be saved when device power is shut off.
y The power cord is unplugged.
No Power
y Check the condition by operating other electronic devices.
y Incorrect input source is selected.
y The mute function is activated.
No sound
y When you are using connection with a external device (set top box, Bluetooth
y The power cord of the subwoofer is not connected.
No woofer sound
y Pairing between the unit and the subwoofer gets disconnected.
y The Auto Display function is turned on.
y Press any button to check the current function or turn off the Auto Display
No display
y The remote control is too far from the unit.
y There is an obstacle in the path of the remote control and the unit.
The remote control
does not work properly.
y The batteries in the remote control is exhausted.
y Check connection of the external device such as TV, DVD/Blu-Ray player or
The AUTO POWER
function does not
y Check the state of SIMPLINK and turn off SIMPLINK.
work.
y Depending on the connected device, this function may not operate.
y Check whether your LG TV supports LG Sound Sync.
LG Sound Sync does
y Check connection of LG Sound Sync (Optical or wireless).
not work.
y Check sound setting of your TV and this unit.
DVD-player, Amplifier, etc.) and turn it on again.
Woofer, DVD-player, Amplifier, etc.) and then try connecting again.
Plug in the power cord.
Check the input source and select the correct input source.
Press (Mute) or adjust the volume level to cancel the mute function.
device etc.), adjust volume level of the device.
Plug the power cord into the wall outlet securely.
Connect the unit and the subwoofer. (Refer to the page 12.)
function. (Refer to the page 22.)
Operate the remote control within about 7 m.
Remove the obstacle.
Replace the batteries with new one.
Bluetooth device.
CAUSE & CORRECTION
Troubleshooting 31
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