Troubleshooting; General - LG CM8450 Owner's Manual

Troubleshooting

General

Problem
The unit does not work
properly.
No Power.
No sound.
The unit does not start
playback.
Radio stations cannot be
tuned in 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.
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.
y Check whether you select right function.
Press FUNCTION and check the selected function.
y Check to see if the Speakers are connected correctly. Speaker cables
connected correctly.
y An unplayable disc is inserted. Check the playable disc.
y No disc is inserted. Insert a disc.
y The disc is dirty. Clean the disc. (Refer to page 37)
y The disc is inserted upside down.
Place the disc with the label or printed side facing upwards.
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
tuning by scanning preset channels).
Preset some radio stations, see page 24 for details.
Cause & Solution
Troubleshooting 33
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