6-2
6. PCB Diagram
6-2. New PBA- Main PCB
Location Description
1 PBA Power (120V)
2 12V, DC GND, Power Relay Driver, Heater Relay Driver, Half Load
Sensor, Turbidity Sensor, Rinse Aid Sensor
3 Low Water Level Sensor, Overow Sensor, Cold Water Counter,
Leakage Sensor, Temperature sensor, Door Sensor
4 Half Load Relay (only DMR77, DMR78)
5 Dispensor Driving Relay
6 Drain Pump Driving Relay
Location Description
7 Inlet Valve Driving Relay
8 Circulation (Wash) Motor Driving Relay
9 Vent Motor Driving Relay
10 Electric Driving connector
11 Micom Writer Connector
12 Display LED Driving Connector
Location Description
13 Display LED Driving Connector (only DMR77, DMR78)
14 Touch-Key, LED Driving, 5V, DC GND (only DMR77, DMR78)
15 Touch-Key, LED Driving, 5V, DC GND
16 Display LED Driving Connector
17 Display LED Driving Connector (only DMR77, DMR78)
18 LED, 5V Driving
1
2 3
4 5 6 7 8 9
10
11
12
13
14
15
16
17
18
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