1
3
5
7
1
3
5
7
BD05-08
1N4004 X 4
FUSE2
250V 0.5A
HEAT-STICK
7812
(MC7805)
7805
(MC7805AC)
HEAT-STICK
104
(DC12V)
+12
Vcc
(DC5V)
C109
104
+
C107
470uF
25V
IC03
+
IC03
C103
IC02
HEAT-STICK
7812
(MC7812)
+
C
1000uF
35V
ICO1 +
C
470uF
25V
V12
(DC12V)
BD01-04
1N4004 X 4
L V T
CON1
WHT GRY
GRNREDBLK
BLK
BLU
C106
18 Samsung Electronics
1. Power circuit
6. Circuit Descriptions
Voltage
(DC 12V)
Vcc (DC 5V)
V12 (DC 12V)
Circuit used
Relay Operation
Power around MICOM & Sensor Detector
LED Display & S/W Detector
The input AC voltage of DC-trans secondary registers 15V at CON1 between
①
~
③
. The rectified
voltage passed through BD05 ~ 08 becomes DC 12V through volt age regulator MC7812(IC02). The
power(DC12V) is supplied to the relay operation power block. Then, DC 5V is genetatel and supplied
to the power around micom and sensor detector through 7805(I C03).
The rectified voltage passed through BD01~04 passes through 7812(IC01). Then, DC12V is supplied to
LED display and switch detector.
+12
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