Daewoo DSA-101L Service manual - Zero Crossing Detect(11)
Manual is about: Split System Air
Conditioner
of
62
39
DESCRIPTION
It defect Zero Cross part of Trans output voltage, Transistor TR1 is used to put in the Micom.
Detail Driving is as following Fig 11-1.
R19 is Resistance to limit current.
MICOM
TRANS
OUTPUT
D5
D6
R2
5.6K
1
2
CC4
103
TR1
KRC120M
1
2
1
2
3
2
1
R3
10K
R27
1K
VCC
31
DETECT POINT
H
The
Number
31 of
Micom
terminal
AC18V
L
Fig 11-1