Pcb/Pba Diagram; 5-1) Parts Layout (Main Board) - Samsung RR39M7 Series Service Manual

5. PCB/PBA DIAGRAM

5-1) Parts Layout (Main Board)

- BETTER [2 BOARD]
1. Inverter Comp. Signal Section
2. Section for Diode Option : Set option setting
3. EEPROM : Storing / Writing various data
4. This Relay section controls the AC load and operates by receiving the driving signals for Micom via the sink IC.
5. It receives various sensor signals and delivers them to MICOM after eliminating noises, and it detects the Fridge/Freezer door open.
6. Main → Panel PCB operation control
7. Fan motor (F/R) control. It supplies DC 8 ~ 12V to the fan motor.
8. Anti-Bacteria kit conrtol. It supplies DC 12V to the kit
9. F/R room lamp control. It supplies DC 12V to the LED lamp (Room Lamp).
10. Micom, clock generation, micom resetting.
11. It controls the operation of the Auto Ice Maker kit. (option item)
12. Buzzer Alarm : It sends out periodic alarm sounds when a button is pressed or when the door is opened
13. Converting AC power source to DC power source (Noise filter and SMPS)
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