SB 400 - JBL Audio Service Manual (repair manual). Page 6

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5
CONNECTIONS
SOUNDBAR AUDIO/VIDEO CONNECTIONS
HDMI ARC TV Out:
 If your TV has an HDMI input, use an HDMI 
cable (not supplied) to connect it to the soundbar’s HDMI ARC TV 
Out connection. The soundbar will pass video from source devices 
connected to its HDMI Input connectors, along with its own on-screen 
display information, to the TV. If your TV is equipped with the HDMI 
Audio Return Channel (ARC) Function, you can feed its sound to the 
soundbar via the HDMI ARC TV Out connection, and it will not require 
additional audio connections to the soundbar. The ARC signal is active 
when the HDMI TV source is selected.
NOTE: The soundbar’s on-screen information display (OSD) only 
appears through the HDMI ARC TV Out connector. If you want to 
see the soundbar’s OSD you need to connect its HDMI ARC TV Out 
connector to your TV even if you are not connecting any HDMI video 
source devices to the soundbar’s HDMI In 1/2/3 connectors (below). 
See On-Screen Information Display, on page 6, for more information.
To 
HDMI In 
1/2/3
HDMI-Equipped 
Source Device
HDMI-Equipped 
TV
To 
HDMI ARC 
TV Out
HDMI In 1/2/3: If any of your source devices have HDMI connectors, 
connect them to the soundbar’s HDMI In 1/2/3 connectors for the best 
possible video and audio performance quality. Since the HDMI cable 
carries both digital video and digital audio signals, you do not have to 
make any additional audio connections for source devices you connect 
via HDMI connectors.
Aux In and Optical In connections: If your TV and source devices 
do not have HDMI connections, you can use the supplied audio cable 
and optical cable to connect your TV and one source device to the 
soundbar’s Aux In and Optical In connectors, respectively.
AUDIO
OUT
Audio 
Cable 
(supplied)
Optical 
Cable 
(supplied)
Disc Player or Cable/
Satellite Tuner
TV or Analog Source Device
Remove Caps
NOTE: If your source devices have HDMI connectors, using them will 
provide superior audio quality.
POWER CONNECTIONS
After verifying that all of the source connections have been made properly, 
plug the supplied power cords into the soundbar’s and subwoofer’s 
Power Cord connectors, and plug the other ends into active, 
unswitched 
AC outlets. Do NOT plug this cords into the accessory outlet found on 
some audio components.
To  
Unswitched 
AC Outlet
To  
Unswitched 
AC Outlet
Power  
Cord 
(supplied)
Power  
Cord 
(supplied)
JBL
SB 400 Service Manual
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