2. Product specifi cations and descriptions
2-33
Samsung Electronics
Service Manual
ML-331x/371x series
2.2.5.7 Connection Part
Controller require connections to all of the system units such as the BLDC motor, Clutch, Sensor, and other
PBAs(OPE, HVPS, SMPS). The Main Controller contains various types of connectors, to deliver electronic
signals through signal wires. The signal wires provide electronic control signals that are used for starting and
stopping the motors, operating clutches, sensing the unit state, etc.