Samsung RS25H50 Fast Track Troubleshooting page 5

Connector Layout with part position (Main Board)
1: GND
2: VCC C FAN
3: VCC R FAN
4: VCC F FAN
5:
6: FG F FAN
7: FG R FAN
8: FG C FAN
9:
CN75
CN11
7: I-FG
6: SIG_OUT
5:
4: GND
3: +5v
2: +13v
1:
1: GND
2: EXT-SENSOR
3: F1 SENSOR
4: F1 DEF SENSOR
5: R1 SENSOR
6: R1 DEF SENSOR
7: GND
8: F2 SENSOR
9: HUMIDITY SENSOR
10: R2 SENSOR
11: GND
12: ICE ROOM 1 SENSOR
13: ICE ROOM 2 SENSOR
CN90 CN30
CN50
1: TX
2: RX
3: +13v
4: +5v
5: GND
6: LEVER SW
7: LEVER SW2
8: GND
9: F-DOOR SW
10: R-DOOR SW
11: R HB SW
13: CUBE SW