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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 +17V, is regulated +12V DC by Regulator IC7812.
And it is regulated +5V DC by Regulator IC7805.
VAR is surge filter and CE2, CE3, CC2, CC3 is Noise filter.
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