Circuit Diagrams Of Main Parts For Assy Pcb Main - Samsung WA7750M Service Manual

5-2. CIRCUIT DIAGRAMS OF MAIN PARTS FOR ASSY PCB MAIN

► This Document can not be used without Samsung's authorization.
● Non-heater Model
► CN101
1. AC_LIVE
3
► RY102
3. AC_NEUTRAL
4. AC_NEUTRAL-1
► CN902 (For Writing)
1. 5V
2. RXD_INVERTER
3. TXD_INVERTER
4. GND
5. BOOT_INVERTER
1
► CN901
1. MOTOR_W
2. MOTOR_V
3. MOTOR_U
2
1
► CN801
1. 12V 15. POWER_SW
2. GND 16. Water Level_IN
3. RX from SUB 17. Doorlock DC Motor+
4. NC 18. GND
5. TX to SUB 19. Doorlock DC Motor-
6. Water Temp 20. 5V
7. SUB RESET 21. Door Lock Signal
8. NC 22. RXD(For Writing)
9. 5V 23. 5V
10. ADW_KEY_INPUT 24. TXD(For Writing)
11. GND 25. REED
12. GND 26. GND
13. 12V 27. Door Unlock Signal
14. Water Level_OUT 28. BOOT(For Writing)
1
6
► CN402
1. AC_L
2. Cold Valve
3. Hot Valve
4. Rinse Valve
5. ADW Cold Valve
6. NC
7. Clutch
8. Drain Pump
9. NC
10. NC
PCB Diagram _ 31