22
Speaker output SETUP
Connect the external speaker to the
speaKer output(stereo)
jack on the TV .
1
OPTICAL
DIGITAL
AUDIO OUT
(RGB/DVI)
RS-232C IN
(CONTROL & SERVICE)
RGB IN (PC)
1
2
VOLUME
CONTROL
STEREO
(8 )
SPEAKER
OUT
AAAK
AUDIO IN
VIDE
O
AUDI
O
VIDE
O
AV
IN
L/MONO
AUDI
O
R
ANTENNA / CABLE
IN
Control port for Speaker out
UP
DOWN
R -
R+
L -
L+
• Each Up/ Down pin is pulled
to 3 .3V with CPU GPIO .
• CPU detects sort - to - gnd for
volume control .
Method of Volume control port
Cable
Spec .
GND / Up / Down
NOTE
►
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 .
►
Otherwise it will cause defact .
