LG 42LK450 Manual Do Proprietário

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79
ENG
ENGLISH
MAKING CONNECTIONS
Connecting to an Audio 
System
Use an optional external audio system instead of 
the built-in speaker.
 NOTE
y
y
If you use an optional external audio device 
instead of  the built-in speaker, set the TV 
speaker feature to off (See p.67).
Digital optical audio connection
Transmits the digital audio signal from the TV to an 
external device. Connect the external device and 
the TV with the optical audio cable as shown in 
the following illustration.
PW350E series
ANTENNA IN CABLE IN
RS-232C IN
(CONTROL & SERVICE)
RGB IN (PC)
AUDIO IN
(RGB/DVI)
OPTICAL
DIGITAL
AUDIO OUT
/DVI IN
2
1
2
1
VIDEO
AUDIO
(
)
L(MONO)
R
VIDEO
AUDIO
COMPONENT 
IN
AV IN 1
Y
P
B
P
R
R
L
ANTENNA IN CABLE IN
RS-232C IN
(CONTROL & SERVICE)
RGB IN (PC)
AUDIO IN
(RGB/DVI)
OPTICAL
DIGITAL
AUDIO OUT
/DVI IN
2
1
2
1
VIDEO
AUDIO
L(MONO)
R
VIDEO
AUDIO
COMPONENT IN
AV IN 1
Y
P
B
P
R
R
L
OPTICAL AUDIO IN 
OPTICAL
DIGITAL
AUDIO OUT
LV3500 series
IN
 3
US
IN
H/
P
ANTENNA
IN
CABLE
IN
RS-232C IN(CONTROL & SERVICE)
OPTICAL
DIGITAL
AUDIO OUT
1
2
VID
EO
AU
DI
O
COMPONENT IN
Y
P
B
P
R
R
L
VID
EO
AU
DIO
R
R
AV IN 1
/ DVI IN
2
1
L/M
ON
O
AV IN
 2
VIDEO / 
AUDI
O
RGB IN(PC)
(RGB/DVI)
AUDIO IN
IN 
3
USB IN
OPTICAL DIGITAL
AUDIO OUT
ANTENNA/
CABLE IN
AV
 IN 
2
AUDIO / VIDE
O
H/
P
ANTENNA
IN
CABLE
IN
RS-232C IN(CONTROL & SERVICE)
OPTICAL
DIGITAL
AUDIO OUT
RGB IN
 
(PC)
(RGB/DVI)
AUDIO IN
1
2
VIDE
O
AUDI
O
COMPONENT IN
Y
P
B
P
R
R
L
VIDE
O
AUDI
O
L(MONO
)
R
AV IN 1
/ DVI IN
2
1
OPTICAL AUDIO IN 
OPTICAL
DIGITAL
AUDIO OUT
Connecting to a USB
Connect a USB storage device such as s USB 
flash memory, external hard drive or a USB 
memory card reader to the TV and access the My 
media menu to use various multimedia files. See 
“Connecting USB storage devices” on p.50 and see 
“Browsing files” on p.51.
or
AV IN 2
L/
MO
NO
R
AUDI
O
A
VID
EO
US
B IN
IN 
3
USB IN
Connecting to a Headphone 
(
LCD
)
Listen to the sound through a headphone.
IN
 3
US
IN
H/
P
ANTENNA
IN
CABLE
IN
RS-232C IN(CONTROL & SERVICE)
RGB IN(PC)
(RGB/DVI)
AUDIO IN
OPTICAL
DIGITAL
AUDIO OUT
1
2
VID
EO
AU
DI
O
COMPONENT IN
Y
P
B
P
R
R
L
VID
EO
AU
DIO
R
R
AV IN 1
/ DVI IN
2
1
AV IN
 2
VID
EO
 / 
AU
DI
O
H/
P
 NOTE
y
y
AUDIO menu options are disabled when 
connecting a headphone.
y
y
When changing AV MODE with a headphone 
connected, the change is applied to video 
but not to audio.
y
y
Optical Digital Audio Out is not available 
when connecting a headphone.
y
y
Headphone impedance: 16 
Ω
y
y
Max audio output: 10 mW to 15 mW
y
y
Headphone jack size: 0.35 cm (0.13 inches)