43
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
Zero Crossing Detect(11)
Summary of Contents for DSB-070L
Page 37: ...PCBDRIVINGDESCRIPTION ...
Page 53: ...49 5 U9 KIA7042P RESET IC KIA70 42P OUTLINE INPUT GROUND OUTPUT VCC 1 3 2 OUT GND ...
Page 58: ...54 3 EXPLODED DIAGRAM Indoor Unit DSB 070L DSB 091L ...
Page 60: ...56 DSB 121L ...
Page 63: ...59 4 EXPLODED DIAGRAM Outdoor Unit DSB 070L DSB 091L DSB 121L After ...
Page 66: ...62 DSB 121L Before ...
Page 69: ...65 5 CONTROL BOX ASSEMBLY 4 3 9 8 5 6 1 0 7 2 DSB 070L DSB 091L ...