Daewoo DSB-092A Service Manual page 85

Power Supply(1)
CL1
AC 220V
275V
104K
FUSE1
3.15A
DESCRIPTION
DC Power Supply in circuit needs +12V and +5V. +12V is used for Compressor Driving Relay, Triac Driving
Photo Triac, Buzzer Driving Swing, Sweep Motor. AC voltage of secondary Power Transformer is rectified by
Bridge Diode, and it is filtering by Main Condensor CE1.
Filtered DC voltage is about +18V, is regulated +12V DC by Regulator IC7812.
And it is regulated +5V DC by Regulator IC7805.
VAR is serge filter and CC1, CC2, CC3 is Noise filter.
Oscillator(2)
VAR
D1
D4
POWER TRANS
D2
IC2
7812
CC1 CE1
VI VO
+
D3
35V
104
1000µF
19
OSC
20
8M
80
12V
IC3
7805
CC2 CE2
VI VO
+
104
25V
470µF
5V
CC13
104
5V
CC3 CE3
+
16V
104
100µF