Daewoo DSB-181LH Service Manual - Power Supply (1)
Other manuals for DSB-181LH:
Owner's Manual, Owner's Manual
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Power Supply (1)
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, and LED Display. 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 CC2, CC3, CE2, CE3 is Noise filter.
7805
7812
CC3
104
+
CC2
CE2
CE3
CC1
CE1
1000
µ
F/35V
104
+
+
DC5V
GND
DC12V
100
µ
F/16V
470
µ
F/25V
AC 220V
VAR
C1
POWER TRANS