Operation Manual
16  1. Additional TV Features
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Using the TV Speakers as a Center Channel
If using an external surround sound system, you can 
use the TV’s speakers to provide center channel sound.  
Your A/V receiver must have a center channel pre out
that can supply a pre-amplified center-channel signal to
the T V.
1. 
Connect your A/V receiver’s HDMI output and 
center channel pre out to the TV as shown.
HDMI OUT
CENTER 
CHANNEL 
PRE OUT
Surround sound 
source device
3D
GLASSES
EMITTER
ANT
DIGITAL
AUDIO
OUTPUT
AUDIO/SURROUND
-OUTPUT-
R
L
LAN
CENTER
INPUT
SUB WOOFER
OUTPUT
USB-P
1
2
3 4
HDMI
L
R
CENTER
INPUT
A/V receiver 
with HDMI 
output
RCA/RCA 
audio cable
HDMI cable
2. 
Turn on the A/V receiver’s center channel pre out if 
needed. See the A/V receiver’s instruction manual.
3. 
Enable the TV’s center channel mode. Press the 
AUDIO
 key and press   to display the TV Speakers 
option. Press   to select Center.
4. 
Compare the center channel volume from TV’s 
speakers to the rest of the sound system. If the 
center channel volume needs adjustment,
a.  Press 
AUDIO
and press   to display the 
Center 
Level
 volume slider
.
b. 
Adjust TV speaker volume using 
the     
keys.
c.  Compare the center channel volume to the rest 
of the sound system. Repeat this adjustment if 
needed.
Supplemental Audio Connections (842 series), continued










