Daewoo DPB-280LH - Manual (Page 31)

30
DESCRIPTION
It detect Zero Cross part of Trans output voltage, Transistor TR2 is used to put in the Micom.
Detail Driving is as following Fig 11-1.
MICOM
TRANS
OUTPUT
D5
D6 R3
5.6K
1
2
CC8
103
TR2
KRC102M
1 2 1
2
3
2 1
R5
10K
R6
1K
VCC
31
DETECT POINT
H
The
Number
31 of
Micom
terminal
AC18V
L
Fig 11-1
Zero Crossing Detect(11)