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Samsung Electronics
Service Manual
3-9
3.2.2 Main Board
Main Board are composed of Engine and Controller on the one-Board.
Main Board control to send Current Imagedml Video Data to LSU to print and have motor Driving and Circuit for the
current driving and also include Paper Exit Sensor, Cover Open s/w, panel s/w.
U1
U3
12.0MHz
U8
U9
U12
U10
U7
U5
(IC-DRAM/
512K x 16Bit)
(IC-POSI, ADSUST REG)
(IC-CMOS LOGIC, INVER TER)
(IC-MOTOR DRIVER)
(IC-VOLTAGE COMP)
(IC-CLOCK GENERATOR)
(IC-EEPROM/256x12Bit)
(IC-POSI, FLXED REG)