Samsung RL60GG Series, Service Manual

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5. PCB DIAGRAM
5-1-3) W/E/S Option
1. It controls the Coolselect Zone Damper and the Damper Heater.
2. It controls the Fridge Damper and the Damper Heater (OPTION).
3. It is the Diode Option setting circuit for option setting.
4. EEPROM : It stores various kinds of data.
5. It is a relay for AC load controlling and operates with the MICOM driving signals received from the Sink IC,
and there is the AC load connector.
6. By receiving various sensor signals, the MICOM eliminates noise and detects the door open/close.
7. It controls the operation of MAIN
→
PANEL PCB.
8. Fan Motor Driver : It supplies 8V~12V to various motors (Option).
8. Buzzer Alarm Circuit (Button Input Sound & Door Open Alarm)
10. MICOM, Clock Generation &Software Reset Circuit.
11. Main Micom (CPU)
12. It is the LED Lamp Control Circuit (F/R LAMP)/(Option).
13. It receives the AC Power and generates DC12V/5V for the MAIN PCB (SMPS Circuit).