PCB Diagram _ 35
5-3. SUB PCB (WF520ABP/XAA, WF520ABW/XAA)
Location Part No. Function Description
1 BZ1 BuzzerCircuit Begeneratedsoundwhenthemenukeyispressedortheencoderisoperated,themenuis
closed.
2 CN7 MAIN PBA Connection Port ForcommunicationswithmainPBA.
3 CN6 Sensor input Sensingthewaterlevelandwatertemperature.
4 CN2 DrumLight Turnonwhendoorisopened.
5 CN1 GRAPHIC PBA Connection Port ForcommunicationswithgraphicPBA.