5-2) Connector Layout With Part Position (Main Board) - Samsung RF23R6 Series Service Manual

This document can not be used without Samsung's authorization

5-2) Connector Layout with part position (Main Board)

CN40
17, 19. DAMPER B, B'
2. INNER PANEL TX
18, 20. PANTRY ROOM
4. INNER PANEL RX
6. +12V
21, 23 DAMPER A' , A
8. GND
22, 24. AUTO FILL VALVE, GND
10, 12. FZ ROOM LAMP, GND
25, 27. DAMPER H/T, +12V
11. C-FAN FEEDBACK
26, 28. FF ROOM LAMP, GND
13, 15. C-FAN SIGNAL, GND
CN20
1, 3. FF DOOR S/W, GND
2, 4. FZ DOOR S/W, GND
5, 7. FF-DEF SENSOR, GND
6, 8. FZ-DEF SENSOR, GND
9, 11. FF SENSOR, GND
10, 12. FZ SENSOR, GND
13. FF-FAN FEEDBACK
14. FZ-FAN FEEDBACK
15, 17. FF-FAN SIGNAL, GND
16, 18. FZ-FAN SIGNAL, GND
19. ICE ROOM HEATER
20. ICE ROOM-FAN FEEDBACK
21. ICE PIPE HEATER
22, 24. ICE ROOM-FAN SIGNAL, GND
23. +12V
CN70
1. FRENCH/DISPENSER HEATER
3. FF-DEF HEATER
5. FZ-DEF HEATER
7. COM2
CN70_1
1.FDSR-HEATER
3. ICE/WATER SOL-VALVE(FZ)
5. ICE MAKER HEATER
CN71
1. ICE COVER ROUTE G-MOTOR
3. WATER SOL-VALVE
5. ICE/WATER SOL-VALVE(FF)
CN71_1
1. CUBE-MOTOR
3. AUGER-MOTOR
5. COM1
CN04
SENSOR, GND
1. WI-FI RX
2. GND
3. WI-FI TX
4. WI-FI RESET
5, +12V
6. +5V
CN85
1. COM1
3. COM2
CN60
1. +5V
3. GND
5. AMBIENT SENSOR
7. HUMIDITY SENSOR
8. ICE&WATER S/W
10. COVER ICE ROUTE S/W2
12. COVER ICE ROUTE S/W1
16. GND
18. +12V
20. DISPENSER PANEL RX
22. DISPENSER PANEL TX
24, 26. DISPENSER VALVE, GND
CN85
1. COM2
3. COM1
5. EARTH
105
PCB DIAGRAM
CN90 - Twin Ice Maker Option
1. 12V
2, 4. GND, ICE ROOM SENSOR
5. DRAIN HEATER
6. MOTOR DRIVER(INA, FF)
7. EJECT MOTOR CW (FZ)
8. MOTOR DRIVER(Ys2B, FF)
9. EJECT MOTOR CCW(FZ)
10. MOTOR DRIVER(INB, FF)
11, 13. EJECTING SENSOR, GND
12. IR SENSOR (FF)
14. EJECTING SENSOR(FF)
15. ICE MAKER TEST S/W (FZ)
16. ICE MAKER TEST S/W (FF)
17. +5V
18. +12V
19. HALL IC OUT SIGNAL (FZ)
20. HALL IC OUT SIGNAL (FF)
21. GND
22. +5V
23, 25. FLOW SENSOR, GND
24, 26. GND, GND
27. +5V
28. +5V
CN90 - - Auto Fill Option
2, 4. GND, ICE ROOM SENSOR
6. MOTOR DRIVER(INA, FF)
8. MOTOR DRIVER(Ys2B, FF)
10. MOTOR DRIVER(INB, FF)
11, 13. OVER FLOW S/W, GND
12. IR SENSOR (FF)
14. EJECTING SENSOR(FF)
15AUTOFILL WATER BOX S/W
16. ICE MAKER TEST S/W (FF)
17. +5V
18. +12V
19. WATER SENSOR
20. HALL IC OUT SIGNAL (FF)
21. GND
22. +5V
23, 25. FLOW SENSOR, GND
24, 26. GND, GND
27. +5V
28. +5V
CN102
1. COMP U
2. COMP V
3. COMP W