LG SH4 Service Manual

1-4
WIRELESS SUBWOOFER CONNECTION
LED indicator of wireless subwoofer
LED Color Status
Green
(Blink)
The connection is trying.
Green The connection is completed.
Red
The wireless subwoofer
is in standby mode
or the connection is failed.
Red/Green
(Blink alternately)
The wireless subwoofer
connection is initialized.
Off
(No display)
The power cord of wireless
subwoofer is disconnected.
Setting up the wireless subwoofer
for the fi rst time
1. Connect the power cord to the subwoofer and plug
the power cord into a power outlet.
2. Turn on the main unit : The sound bar and wireless
subwoofer will be automatically connected.
-
Green LED on the rear of wireless subwoofer turns on.
Manually pairing wireless subwoofer
When your connection is not completed, you can
check red LED or blinking green LED on the wireless
subwoofer and the wireless subwoofer does not make
sound. To solve the problem, follow the steps below.
1. Adjust volume level of the main unit to minimum by
pressing VOL – button repeatedly.
- ”MIN” appears on the display window.
2. Press and hold (Mute) on the remote control for
about 3 seconds.
-
“SUB-WF RESET” appears on the display window.
3. Press and hold Pairing on the back of the wireless
subwoofer for more than 5 seconds.
- The LED of the wireless subwoofer lights up alternately
in red and green.
4. Disconnect and reconnect power cord of the main
unit and the wireless subwoofer.
5. Turn on the main unit. : The sound bar and wireless
subwoofer will be automatically connected.
- Green LED on the rear of wireless subwoofer
turns on.
Note :
• It takes a few seconds (and may take longer) for the
main unit and the subwoofer to communicate with
each other and make sounds.
• The closer the main unit and the subwoofer, the
better sound quality. It is recommended to install the
main unit and the subwoofer as close as possible
and avoid the cases below.
- There is a obstacle between the main unit and the
subwoofer.
- There is a device using same frequency with this
wireless connection such as a medical equipment,
a microwave or a wireless LAN device.

LG SH4 Specifications

General

Audio decoders	DTS Digital Surround, Dolby Digital
RMS rated power	300 W
Audio output channels	2.1 channels
Audio Return Channel (ARC)	Yes
Number of tweeter drivers	2
Soundbar speaker RMS power	120 W
Subwoofer type	Active subwoofer
Subwoofer location	Separate
Subwoofer connectivity	Wireless
Cables included	Optical
Receiver included	-
FM radio	No
Product color	Black
Audio formats supported	FLAC, LPCM, MP3, OGG, WAV, WMA
Consumer Electronics Control (CEC)	SimpLink
Magnet type	Ferrite
Apple docking compatibility	Not supported
Power consumption (standby)	0.5 W
Power consumption (typical)	22 W
HDMI in	1
Bluetooth version	4.0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technology	Wired & Wireless
Package depth	223 mm
Package width	946 mm
Package height	373 mm
Package weight	9000 g

Weight and Dimensions

Depth	85 mm
Width	890 mm
Height	53 mm
Soundbar weight	2340 g
Subwoofer depth	320 mm
Subwoofer width	171 mm
Subwoofer height	252 mm
Subwoofer weight	4200 g