LG SH4D, SPJ4B-W, Owner'S Manual

Troubleshooting

25

Troubleshoo

ting

4

PROBLEM

CAUSE & CORRECTION

The unit does 

not connect with 

Bluetooth

 device

y

Turn off the 

Bluetooth

 connection lock function. (Page 20)

When you feel the 

output sound of the 

unit is low.

Check the details below and adjust the unit according to them.

y

With the sound bar connected with TV, change the AUDIO DIGITAL OUT setting on 
TV Setup Menu from [PCM] to [AUTO] or [BITSTREAM].

y

With the sound bar connected with Player, change the AUDIO DIGITAL OUT 
setting on Player Setup Menu from [PCM] to [PRIMARY PASS-THROUGH] or 
[BITSTREAM].

y

Change Audio DRC setting on connected device setup menu to [OFF] state.

y

Make sure Night Mode is not On. Turn [OFF] Night Mode.

NOTES to use wireless 

PROBLEM

CAUSE & CORRECTION

This device may have 

wireless interference.

y

Wireless may not operate normally in weak signal area.

y

Please install the device close enough to wireless subwoofer.

y

Do not install the device on metal furniture for optimum performance.

Bluetooth device may 

malfunction or make 

noise in the following 

cases.

y

When any part of your body contact the transceiver of the 

Bluetooth

 device or 

sound bar.

y

When there is an obstacle or wall or the device is installed in a secluded spot.

y

When there is a device(a wireless LAN, a medical equipment or a microwave) using 
same frequency, make the distance between the products as far away as possible 
each other. 

y

When to connecting the device to the 

Bluetooth

 device, make the distance 

between the products as close as possible each other.

y

When the device gets too far from the 

Bluetooth

 device, the connection is 

disconnected and also malfunction may occur.

NOTES to release Demo mode

PROBLEM

CAUSE & CORRECTION

Can not change input source with 

F

 button such as 

BT (Bluetooth) etc. and All the function LEDs are 

turned on.

Unplug the power cord and plug it in again. If that 
doesn’t work, press and hold 

F

 button (About 15 

seconds) on the main unit until the function LED 
indicates current selected function.

Remote Control does not work. (No response)