LG RD-JS31 Service Manual page 39

The Locations of Connectors
CN1 , CN7 : IR
P IN #
1
2
3
CN3 , CN4 , Cn5 : FAN
P IN #
1
2
3
J1 :Ballast Control
P IN #
1
2
3
31
D e s c r ip tio n
IR 0
G N D
+ 3 .3 V
D e s c r ip tio n
P W M
C o ntro l
G N D
D e s c r ip tio n
1 2 V _ S 1
F A N _ F B 3
G N D _ P W M 3
Chapter 5