Samsung ML-2150 Service Manual page 31

Summary of Product
EEPROM (24C04)
- It is an EEPROM with 12C method,and it is used to DIMM and Option.
RAM--DIMM
- When extending a RAM,connect the additional SDRAM B' d.
Joint B' d Connector
- By connecting to Joint B' d,it sends the operating signals of main/MP/Regi clutch and receives a cassette detect signal and a
MP empty signal.
If it is disconnected,it cannot detect such clutch operation and sensor.
Motor Connector
- It is connected to a main BLDC motor,and it sends the motor control signal of CPU.
If it is disconnected,a main motor does not operate.
Engine Connector
- It connects a SMPS,supplies the power,and delivers the high voltage control signal,etc.
If a harness is not normally connected to this connector,power cannot be supplied.
PTL connector
- It connects to a PTL and helps to deliver the PTL On signal.
Cover Open connector
- It detects the cover open.If it is disconnected,it cannot sense the cover on/off signal.
Main Fan connector
- It drives a fan by connecting a main fan of a set.
LSU connector
- It connects a LSU.
DC Motor connector
- It connects an exit motor and drives a DC motor.
SMPS Fan connector
- It connects a SMPS Fan.
Cart B d connector
- It connects a toner cartridge and detects the cartridge information,the paper empty signal,and the paper regi signal.
It connects the detecting signal of paper size,out-bin full,and thermistor.
It could cause a fuser detecting error,a toner detecting error,and a paper detecting error when it is disconnected.
Panel connector
- It is connected to a LCD panel.
Embedded Network Card connector
- A place to connect the Embedded MAC Network card.
Shared Network Card connector
- A place to connect the shared Network card.
Service Manual
4-14
Samsung Electronics