PCB Diagram _ 33
5-6. CIRCUIT DIAGRAMS OF MAIN PARTS FOR SUB PCB
► CN201
1. Communications Port(Rx)
2. Communications Port(Tx)
3. Reset Signal input
4. 5V
5. GROUND
6. 12V
7. Empty Pin
8. Power_SW
9. Water level Signal
10. Empty Pin
► CN402
1. 12V
2. GROUND
3. SDA1
4. SCL1
5. Empty Pin