LG SH2 - Jack; Led; Touch Key Circuit Diagram

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9
10
: WAVEFORM NUMBER
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P Q R ST
VOL_DN
POWER
FB552
FB553
LUG501
EMI
FB554
L501
OPTICAL
LG TV
FUNC
VOL_UP
STBY
EUROPE
C552
From Touch
C505
From MAIN
LD501
From MAIN
PORTABLE
I
N
C553
L551
OP
T
I
CAL IN
PN503
BLUTOOTH
LD502
LD503
LD504
IC501
PORTABLE
(MUTE)
LD505
PN502
PN508
AGNDJ
JK553
JK551
PN501
From MAIN
PN505
JK552
D
OWN L
OA
D
OPTION : PORTABLE FUNCTION
From MAIN
SUB WPPFER OUTPUT
SP_TERMINAL
MLC3730,A2 : HIGH
OPTICAL / BT / LG TV / PORTABLE
MLC3730,A2 : LOW
OPTICAL / BT / LG TV / MUTE
L552
4. JACK/ LED/ TOUCH KEY CIRCUIT DIAGRAM