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19
PREPARATION
1
HDMI/DVI IN, HDMI IN
Digital Connection.
Supports HD video and Digital audio. Doesn’t
support 480i.
Accepts DVI video using an adapter or HDMI
to DVI cable (not included).
2
RGB IN (PC)
Analog PC Connection. Uses a D-sub 15 pin
cable (VGA cable).
AUDIO IN (RGB/DVI)
0.32 cm (1/8 inch) headphone jack for analog
PC audio input.
3
OPTICAL DIGITAL AUDIO OUT
Digital optical audio output for use with amps
and home theater systems.
Note: In standby mode, this port doesn’t work.
4
RS-232C IN (CONTROL & SERVICE)
Used by third party devices.
This port is used for service or Hotel mode.
5
AV (Audio/Video) IN
Analog composite connection. Supports stan-
dard definition video only (480i).
6
ANTENNA/CABLE IN
Connect over-the-air or cable signals to this
jack.
7
COMPONENT IN
Analog Connection.
Supports HD.
Uses a red, green, and blue cable for video &
red and white for audio.
8
USB INPUT
Used for viewing videos, photos and listening
to MP3s.
9
HEADPHONE
0.32 cm (1/8 inch) headphone jack
Impedance 16 Ω , Maximum audio out 15 mW
10
Power Cord Socket
For operation with AC power.
Caution: Never attempt to operate the TV on
DC pwer.
11
REMOTE CONTROL IN
For a wired remote control.
12
EXTERNARL SPEAKER OUT
For use with external speakers.
13
RJP
Connect this to an LG remote jack pack sys-
tem.
IN 3
H/P USB IN
AV IN 2
VIDEO
AUDIO
L/MONO
R
ANTENNA/
CABLE IN
RGB IN (PC)
AUDIO IN
(RGB/DVI)
RS-232C IN
(CONTROL &
SERVICE)
OPTICAL
DIGITAL
AUDIO OUT
VIDEO
AUDIO
L/MONO
R
VIDEO
AUDIO
COMPONENT IN
AV IN 1
Y PB PR
L R
1
2
/DVI IN
IN 2
USB IN
AV IN 2
VIDEO
AUDIO
L/MONO
R
AC IN
ANTENNA/
CABLE IN
RGB IN (PC)
AUDIO IN
(RGB/DVI)
RS-232C IN
(CONTROL &
SERVICE)
OPTICAL
DIGITAL
AUDIO OUT
RJP
REMOTE
CONTROL IN
1
AUDIO
L/MONO
R RL
COMPONENT IN
Y L RPB PR
VIDEO
AV IN 1
EXTERNAL SPEAKER OUT
/DVI IN
1
10
2 11
5
4
12
73
13
6
37/42/47LD450C
IN 2
USB IN
AV IN 2
VIDEO
AUDIO
L/MONO
R
AC IN
ANTENNA/
CABLE IN
RGB IN (PC)
AUDIO IN
(RGB/DVI)
RS-232C IN
(CONTROL &
SERVICE)
OPTICAL
DIGITAL
AUDIO OUT
RJP
REMOTE
CONTROL IN
1
AUDIO
L/MONO
R RL
COMPONENT IN
Y L RPB PR
VIDEO
AV IN 1
EXTERNAL SPEAKER OUT
/DVI IN
1
8
5
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