LG CM9550 Owners Manual - English - Page 38

Troubleshooting, General

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38 Troubleshooting Troubleshooting General Problem Cause & Solution The unit does not work properly. yy Turn off the power of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and turn it on again. yy Disconnect the power cord of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and then try connecting again. yy Previous setting may not be saved when device power is shut off. No Power. yy The power cord is not plugged in. Plug in the power cord. yy Check whether electricity failed. Check the condition by operating other electronic devices. 4 No sound. yy Check whether you select right function. Press FUNCTION and check the selected function. yy Check to see if the Speakers are connected correctly. Speaker cables connected correctly. The unit does not start playback. yy An unplayable disc is inserted. Check the playable disc. yy No disc is inserted. Insert a disc. yy The disc is dirty. Clean the disc. (Refer to page 42) yy The disc is inserted upside down. Place the disc with the label or printed side facing upwards. Radio stations cannot be tuned in properly. yy The antenna is positioned or connected poorly. Connect the antenna securely. yy The signal strength of the radio station is too weak. Tune to the station manually. yy No stations have been preset or preset stations have been cleared (when tuning by scanning preset channels). Preset some radio stations, see page 28 for details. Troubleshooting

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Troubleshooting
38
Troubleshooting
4
Troubleshooting
General
Problem
Cause & Solution
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 correctly. Speaker cables
connected correctly.
The unit does not start
playback.
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 42)
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
tuning by scanning preset channels).
Preset some radio stations, see page 28 for details.