Load Drive Part Circuit - Samsung RS20NCSL Service Manual

10-8. Load drive part circuit

● Movement description
When " HIGH" signal is impressed to input terminal of IC04 at MICOM PIN NO #15, IC turns ON. At this time,
V12(DC 12V) connected to one side end of Comp relay passes through output of IC04 to ground, and the
core of relay causes a magnetic field and makes a contact point on. And AC input voltage(AC 220V) is
impressed to the both side end of Comp. load, Comp. acts. In case of the MICOM PIN #15 signal is " LOW" ,
IC04 turns off and the current is not flow to Comp. relay coil and makes a relay contact off. And Comp. stops.
The load except the compressor equals or likes to the act principal of compressor. Refer to the above circuit
diagram.
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