Manualsbrain.com
  1. Manuals
  2. Brands
  3. LG
  4. 42LT650H
  5. Owner's Manual

LG 42LT650H Owner's Manual

Download
Page of 47
25
REMOTE CONTROL
ENG
ENGLISH
ENGLISH
 
y
Each Up/ Down pin is pulled to 3.3V with CPU 
GPIO.
 
y
CPU detects that vol. crtl. Port is shorted to 
GND for volume control. (Only LT64**, LT65**, 
LT76**, LS64**)
 
y
CPU detects transition from 3.3V to GND level 
for volume control. 
Volume control port
Speaker output setup
Connect  the  external  speaker  to  the  Speaker 
output(STEREO) jack on the TV.
VOLUME
CONTROL
STEREO
SPEAKER
OUT
(8    )
R+
R -
L -
L+
Control port for 
Speaker out
UP
DOWN
(Only LT64**, LT65**, 
LT76**
, LS64**)
(Only LT74**)
VOLUME 
CONTROL
STEREO
SPEAKER
OUT
(8    )  
    GND / Up / Down
Cable
Spec.
External speaker out
Connecting External Speaker.
 
 NOTE
 
y
Make sure when connecting External 
Speaker that TV is Power OFF.
 NOTE
 
y
External speaker must be used four 
plug(BTL: Bridge Tied Load, Stereo) as 
shown in the drawings and external speaker 
fully inserted with external Speaker Jack. 
(Only LT64**, LT65**,
 LT76**
, LS64**)
 
y
External speaker must be used three plug 
(SE : Single Ended, Stereo) as shown in 
the drawings and external speaker fully 
inserted with external Speaker Jack. 
(Only 
LT74**) 
 
y
Otherwise it will cause defact.
R+
R-
L -
L+
EXTERNAL
SPEAKER OUT
(Only LS34**)
VOLUME
CONTROL
STEREO
SPEAKER
OUT
(8    )
Control port for 
Speaker out
UP
DOWN
GND
LEFT
RIGHT
GND