Speaker Output Setup - LG LY75 Series Installation Manual

Speaker output SETUP

Connect the external speaker to the speaKer output(stereo) jack on the TV .
1
SPEAKER
OUT
VOLUME
CONTROL
STEREO
(8 )
28
AUX LAN LAN
VOLUME STEREO
(8 Ω)
CONTROL
SPEAKER OUT
CLOCK
VOLUME
CONTROL
CLOCK
RS-232C IN
+
UP
(CONTROL & SERVICE)
-
AV
DOWN
IN / OUT
Control port for Speaker out
+
STEREO
-
(8Ω)
GND
RIGHT
LEFT
GND
Method of Volume control port
Cable
Spec .
GND / Up / Down
IN 1(ARC)
OPTICAL
DIGITAL
AUDIO OUT
(*Not Provided)
13/18V
700mA Max
ANTENNA/
LNB
e
CABLE IN
Satellite IN
Each Up/ Down pin is pulled to 3 .3V with
CPU GPIO .
CPU detects transition from 3 .3V to GND
level for volume control .