PCB Diagram _ 35
●
: Pin #1
5-3. MAIN PCB DIAGRAM (UNI MODELS ONLY)
► This Document can not be used without Samsung’s authorization.
Location
Part No.
Function
Description
1
RY4
POWER SUPPLY RELAY
Receive 230V AC to operate PBA
2
RY5
HEATER RELAY
Heater power output
3
CN5
MOTOR PROTECTOR TERMINAL
Motor Protector and door lock sensing terminal
4
CN1
SUB PBA CONNECTION TERMINAL
Connect with SUB PBA
5
CN8
PROGRAM UPDATE TERMINAL
Program Update terminal
6
TE2
MOTOR DRIVE TERMINAL
Motor Signal Output
7
CN4
MOTOR DRIVE TERMINAL
Motor Signal Output
8
CN7
DRIVING SECTION TERMINAL
Signal Output for door lock, water valve, drain pump and bubble pump.
9
CN3
HALL SIGNAL TERMINAL
Signal Input of Motor speed
2
1
3
6
7
5
8
9
4