LG SJ7 User Manual

4 Troubleshooting
Troubleshooting
34
Troubleshooting
4
Troubleshooting
General
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, Amplier, etc.) and turn them on again.
y
Disconnect the power cord of this unit and the connected external device (TV,
Woofer, DVD-player, Amplier, etc.) and then try connecting again.
y
Previous setting may not be saved when device power is shut off.
No Power
Primary unit
y
The power cord is unplugged.
Plug in the power cord.
y
Check whether electricity failed.
Check the outlet condition by operating other electronic devices using the same
wall outlet.
Secondary unit
y
The battery is discharged. Recharge the battery.
y
Connect the unit to the power supply with the AC adapter.
y
Fully charge the device before using for the rst time.
No sound
Primary unit
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.
y
When you are connected to an external device (Set Top Box, Bluetooth device
etc.), adjust volume level of the device.
Secondary unit
y
The unit or Bluetooth device’s volume is set to minimum. Check and adjust the
volume of the unit or Bluetooth device’s volume.
y
Check the connection of secondary unit and a Bluetooth device. (Page 29.)
y
Check the the surround function is turned off. (Page 33.)
No woofer sound
y
The power cord of the subwoofer is not connected.
Plug the power cord into the wall outlet securely.
y
Pairing between the unit and the subwoofer has disconnected.
Connect the unit and the subwoofer. (Page 15.)
The remote control
does not work
properly.
y
The remote control is too far from the unit.
Operate the remote control within about 7 m (22.97 feet).
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 have exhausted.
Replace the batteries with new ones.

LG SJ7 Specifications

General

Audio decoders	DTS Digital Surround, Dolby Digital
RMS rated power	320 W
Audio output channels	4.1 channels
Audio Return Channel (ARC)	Yes
Product color	Black
TV stand usage	No
Recommended usage	Universal
Audio formats supported	LPCM
HDMI in	1
HDMI version	1.4
Bluetooth version	4.0
Connectivity technology	Wired & Wireless
Digital audio coaxial in	0
Apple docking compatibility	Not supported
Cables included	Optical
Receiver included	-
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.5 W
Subwoofer type	Active subwoofer
Subwoofer connectivity	Wireless

Weight and Dimensions

Depth	109 mm
Width	340 mm
Height	74 mm
Subwoofer depth	252 mm
Subwoofer width	171 mm
Subwoofer height	320 mm
Subwoofer weight	4200 g