LG 22LT380H Owner's Manual

Page of 40
20
MAKING CONNECTIONS
ENG
ENGLISH
VOLUME
CONTROL
STEREO
SPEAKER
OUT
(8    )
Headphone connection
(Only LT64 , LT66 , LT38 , 
)
Transmits the headphone signal from the TV to 
an external device. Connect the external device 
and the TV with the headphone as shown in the 
following illustrations.
(*Not Provided)
 NOTE
 
y
AUDIO menu items are disabled when 
connecting a headphone.
 
y
When changing AV MODE with a headphone 
connected, the change is applied to video 
but not to audio.
 
y
Optical Digital Audio Out is not available 
when connecting a headphone.
 
y
Headphone impedance: 16 Ω
 
y
Max audio output of headphone: 9 mW to 15 
mW
 
y
Headphone jack size: 0.35 cm
Speaker output SETUP
Connect  the  external  speaker  to  the  Speaker 
output(STEREO) jack on the TV.
UP
 
y
Each Up/ Down pin 
is pulled to 3.3V 
with CPU GPIO.
 
y
CPU detects 
transition from 3.3V 
to GND level for 
volume control.
Method of Volume control port   
Cable
Spec.
VOLUME
CONTROL
STEREO
SPEAKER
OUT
(8    )
    GND / Up / Down
Control port for 
Speaker out
DOWN
R -
R+
L -
L+
USB connection
Connect a USB storage device such as a USB 
flash  memory,  external  hard  drive,  or  a  USB 
memory card reader to the TV.
USB IN
USB
 
(*Not Provided)
(Only LT64 , LT66 , LT38 , 
)
(Only 
)
USB IN
USB IN
 NOTE
 
y
To use a USB Hub device, make sure that it is 
connected to the 
USB IN 1 (HUB) port.
 
y
Some USB Hubs may not work. If a USB 
device connected using a USB Hub is not 
detected, connect it to the USB port on the TV 
directly.
(*Not Provided)
(*Not Provided)