LG GSA-4163B Service Manual page 66

Input/Output circuit diagram
SPIN, SL1IN, SL2IN
LOIN
5VCC
100
SLGS
(Temperature monitor)
5VCC
100
25k
VM1, U, V, W
U
5VCC, FO+, FO-, TO+, TO-, TL+, TL-
FO+ FO-
68
FOIN, TOIN, TLIN
OPIN-
5VCC
100
ACTFLG, FG
5VCC
5VCC
VM1
V W
5VCC
TO+ TL+
TO-
REF
5VCC
100
ACTRST
5VCC
5VCC
100
VM2, SL1+, SL1-, SL2+, SL2-
SL1+ SL1-
TL-
EN1, EN2
5VCC
100
OPOUT
5VCC
5VCC
10k
100
VM2
SL2+
SL2-
VM3, LO+, LO-
VM3
LO+
LO-
17k
35k