Pcb Diagram - Samsung RB215B Series Service Manual

16. PCB DIAGRAM

⑫ ⑩
1. AC is input via Connector CN10 and DC12V,5V and GND are supplied via Regulator.
2. Oscillator generating clocks required for the MICOM program control &Reset circuit initializing
programs upon power on/off.
3. EEPROM:It stores data.
4. It receives various sensor signals such as F/R Door S/W On/Off and sends them to MICOM after
filtering their noises.
5. PLC (Power Line Communication)Circuit
6. Buzzer Circuit
7. Circuit for model classifying options
8. It is the display driving part controlling the LEDs and the button signals.
9. It carries out the Ice Maker operation,supplies power to the motor and detects the S/W on/off.
10. It is Relay controlling AC load and operates by receiving drive signals through IC ⑪.
11. Relay Driver IC
12. AC connector
⑧ ⑥
⑪ ② ⑤ ⑦
83
⑨ ④
③ ①