Samsung M9900 - Page 45

Connector & Relay Terminal Description (Lower Main PBA)
6. Reference Information
CNP103
PIN1 - AC POWER Port
PIN2 – Door Detection Sensor
PIN3 – Motor Switch Check
RY401
Motor Relay Switch
RY402
Heater 1 Relay Switch
CNP401
1. Steam Valve 1
2. NC
3. Steam Valve 1
4. NC
5. Steam Valve 2
6. NC
CNC 804
1. Rx
2. Tx
3. SUB_RESET
4. 5V
5. GND
6. 12V
CNC 503
1. GND
2. 5V
3. Thermistor
4. Moisture Sensor
5. Moisture Sensor
6. 5V
7. Vent Temp
RY403
Heater 2 Relay Switch
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45
CNC803
1. Standby Relay
2. 12V
3. GND
4. 5V
5. Comm_option_01
6. Comm_option_02