Troubleshooting – LG AR702TS User Manual

Page 40

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40

Check the following guide for the possible cause of a problem before contacting service.

PROBLEM

No power.

No sound.

No sound from the
surround speakers.

No sound from the
(front) center speaker.

No sound from the
surround center
speakers.

Stations cannot be
received.

Preset stations cannot
be received.

Poor FM reception.

Remote control does
not operate.

POSSIBLE CAUSE

• The AC input cord is disconnected.

• Poor connection at AC wall outlet or the

outlet is dead or off.

• The speaker wires are disconnected.

• The MASTER VOLUME is adjusted too low.

• The MUTE button is pressed to ON.

• The selected decoding mode is not

matched to the input signal format.

• Incorrect selection of input source.

• Incorrect connections between the

components.

• The USB cable is separated during

playing a file on the PC-LINK mode.

• Surround mode is switched off (normal

stereo mode).

• MASTER VOLUME and surround level

are too low.

• Monaural source is used.

• Surround speaker setting is “NONE”.

• Dolby Virtual, normal stereo mode, etc

is selected.

• MASTER VOLUME and center level are

too low.

• The input signal format or the current

surround mode cannot support the 6.1
surround.

• MASTER VOLUME and surround center

level are too low.

• No antenna is connected.

• The desired station frequency is not

tuned in.

• Antenna is in wrong position.

• An incorrect station frequency has been

memorized.

• The memorized stations are cleared.

• No antenna is connected.

• The antenna is not positioned for the

best reception.

• Batteries are not loaded or exhausted.

• The remote sensor is obstructed.

REMEDY

• Connect cord securely.

• Check the outlet using a lamp or

another appliance.

• Check the speaker connections.

• Adjust the MASTER VOLUME.

• Press the MUTE button to cancel the

muting effect.

• Select the available decoding mode.

• Select the desired input source

correctly.

• Make connections correctly.

• Execute a media player again.

• Select a surround mode.

• Adjust MASTER VOLUME and

surround level.

• Select a stereo or surround source.

• Select the desired surround speaker

setting.

• Select the desired surround mode.

• Adjust MASTER VOLUME and center

level.

• Under the proper situations, perform

the 6.1 surround playback.

• Adjust MASTER VOLUME and

surround center level.

• Connect an antenna.

• Tune in the desired station frequency.

• Move antenna and retry tuning.

• Memorize the correct station

frequency.

• Memorize the stations again.

• Connect an antenna.

• Change the position of the antenna.

• Replace the batteries.

• Remove the obstacle.

Troubleshooting

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