LG 49LT340C0UB Guía Rápida De Configuración página 19

USB
• It is recommended that you use an external USB
HDD with a rated voltage of 5 V of less and a rated
current of 500 mA or less.
External Speakers
EXTERNAL
SPEAKER OUT
or
SPEAKER OUT
LINE OUT
VOLUME
CONTROL
Control port for Speaker out
+
-
GND
RIGHT
LEFT
GND
: Depending upon model
• Use only with the 3 pole 3.5 mm stereo jack.
• Do not connect your headphones or earphones to
the port for connecting an external speaker.
UP
DOWN
Method of volume control port
(Depending upon model)
• Cable Spec.
GND / UP / DOWN
External Devices
Supported external devices are: Blu-ray player, HD
receivers, DVD players, VCRs, audio systems, USB
storage devices, PC, gaming devices, and other
external devices.
• The external device connections shown may differ
slightly from illustrations in a manual.
• Connect external devices to the TV regardless about
the order of the TV port.
• If you connect a gaming device to the TV, use the
cable supplied with the gaming device.
• Refer to the external equipment's manual for
operating instructions.
Each Up / Down
pin is pulled to
3.3 V with CPU
GPIO.
CPU detects
transition from
3.3 V to GND
level for volume
control.
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