LG NB2520A Owners Manual - Page 22

Troubleshooting - auto power problem

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22 Troubleshooting Troubleshooting PROBLEM No Power No sound No LED CAUSE & CORRECTION yy The power cord is unpluged. Plug in the power cord. yy Check the condition by operating other electronic devices. yy Incorrect input source is selected. Check the input source and select the correct input source. yy The mute function is activated. Press MUTE@ or adjust the volume level to cancel the mute function. yy The Dimmer or the Sleep function is activated. Press SLEEP to cancel the function. yy The remote control is too far from the unit. Operate the remote control within about 23 ft (7m). The remote control yy There is an obstacle in the path of the remote control and the unit. 4 does not work properly. Remove the obstacle. yy The batteries in the remote control is exhausted. Replace the batteries with new one. The AUTO POWER function does not work. yy Check the state of SIMPLINK and turn off SIMPLINK. yy Depending on the connected device by the optical cable, this function may not operate. Troubleshooting NB2520A-NU_DDEULLK_ENG.indd 22 2012-05-14 11:37:08

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Troubleshooting
22
Troubleshooting
4
Troubleshooting
PROBLEM
CAUSE & CORRECTION
No Power
y
The power cord is unpluged.
Plug in the power cord.
y
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.
No LED
y
The Dimmer or the Sleep function is activated.
Press
SLEEP
to cancel the function.
The remote control
does not work
properly.
y
The remote control is too far from the unit.
Operate the remote control within about 23 ft (7m).
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 the state of SIMPLINK and turn off SIMPLINK.
y
Depending on the connected device by the optical cable, this function may not
operate.
NB2520A-NU_DDEULLK_ENG.indd
22
2012-05-14
±± 11:37:08