Acer PH112 Service Manual page 46

The Locations of Connectors
CN1 , CN7 : IR
P I N #
1
2
3
CN3 , CN4 , Cn5 : FAN
P I N #
1
2
3
J1 :Ballast Control
P I N #
1
2
3
41
D e s c r i p t i o n
IR 0
G N D
+ 3 . 3 V
D e s c r i p t i o n
P W M
C o n t r o l
G N D
D e s c r i p t i o n
1 2 V _ S 1
F A N _ F B 3
G N D _ P W M 3
Chapter 5