Samsung RF265AB Service Manual

Also see for RF265AB: User manual User manual Quick start guide User manual User manual

946-1) PCB Layout with part positionPCB Layout with part position1. DC12V,5V,GND supplied from SMPS PCB2. Circuit for controlling Step-Valve (3-Way Valve) * Option3. FAN MOTOR control part : To supply the power from 8.3V ~ 12V according to the motor types. (F,R,C,ICE)4. EEPROM : Save and record every kinds of data.5. Transmit inputted signals from every sensor into MICOM after eliminate the noise .6. Micom : control the refrigerator Ceramic resonator : generate the basic frequency of Micom operation.Reset IC : make Micom reset if input voltage of Micom is detected less than the specified voltage7. PLC input/output- PLC (Power Line communication) * Option(PLC module is not inserted unlessspecified occasion)8. Operate ICE-MAKER, supply power to MOTOR, and sense the variation of switch.9. Main Micom® Panel Micom serial communication circuit- Dispenser option input part (Water & Cover Ice route switch)10. Pantry room display control part : display LED, detect KEY state.11. Control Pantry room damper & Damper heater12. Relay part for controlling the AC load : Relay control IC makes the relay ON/OFF by Micom signal.13. Connector part : connect AC load14. Diode option setting part