LG CM2760 User Manual

Page of 35
Troubleshooting
Troubleshooting
31
Troubleshoo
ting
4
Troubleshooting
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, Amplifier, etc.) and turn it on again.
 
y
Disconnect the power cord of this unit and the connected external device (TV, 
Woofer, DVD-player, Amplifier, 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 not plugged in. Plug in the power cord.
 
y
Check whether electricity failed. Check the condition by operating other 
electronic devices.
No sound.
 
y
Check whether you select right function. Press 
FUNCTION and check the 
selected function.
 
y
Check to see if the speakers are connected to the unit correctly.
The unit does not start 
playback.
 
y
An unplayable disc is inserted. Insert a playable disc.
 
y
No disc is inserted. Insert a disc.
 
y
The disc is dirty. Clean the disc. (Refer to page 34)
 
y
The disc is inserted upside down. Place the disc with the label or printed side 
facing upwards.
Radio stations cannot be 
tuned in properly.
 
y
The antenna is positioned or connected poorly. Connect the antenna securely.
 
y
The signal strength of the radio station is too weak. Tune to the station manually.
 
y
No stations have been preset or preset stations have been cleared. (when being 
tuned by scanning preset channels) Preset some radio stations, see page 26 
for details.
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 (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 are exhausted. Replace the batteries with 
new ones.
LG Sound Sync does not 
work.
 
y
Check whether your LG TV supports LG Sound Sync.
 
y
Check connection of LG Sound Sync. 
 
y
Check sound setting of your TV and this unit.