Pcb Diagram; Old Pba - Main Pcb - Samsung DMR78 Series Service Manual

6. PCB Diagram

6-1. Old PBA - Main PCB

Location Description
1 PBA Power (120V, AC1)
2 PBA Power (120V, AC2)
3 NC
12V, 5V, DC GND, Power Relay Driver, Heater Relay Driver, Half
4
Load Sensor, Turbidity Sensor, Rinse Aid Sensor
Low Water Level Sensor, Overflow Sensor, Cold Water Counter,
5
Leakage Sensor, Temperature sensor, Door Sensor
6 Electric Driving connector
7 Circulation Motor Driving Relay
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1
2
3
4 5
16
6
15
7
8
9 10 11 12
Location Description
8 Drain Pump Driving Relay
9 NC
10 Inlet Valve Driving Relay
11 NC
12 Dispensor Driving Relay
13 Distributor Motor Driving Relay (only DMR77)
14 Fan Motor Driving Relay
15 Display LED Driving Connector
16 Micom Writer Connector
23
22
21
20
19
18
17
13 14
Location
17
18
19
20
21
22
23
6. PCB Diagram
Description
Display LED Driving Connector (only DMR77)
Touch-Key, LED Driving, 5V, DC GND
Touch-Key, LED Driving, 5V, DC GND (only DMR77)
Display LED Driving Connector
Display LED Driving Connector (only DMR77)
NC
LED, 12V Driving
6-1