Samsung CLX-6220FX - Page 32

Product Specication and feature
Service Manual
2-23
Samsung Electronics
2.4.2.1 Main PBA
The CLX-6220/6250 series system controller consists of a main controller and a engine controller in one-
board. The main controller uses a ARMS core chip as its main processor, which is dedicated to printing
several internal operating blocks through system programs stored in Flash Memory. The engine controller
has an engine control SoC, which includes motor drivers, PWM drivers, LSU drivers, sensors, high-voltage
drivers, and other driving units for mechanical parts.
◆ SPGPV4 for CLX-6250FX
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NO. Connector NO. Connector NO. Connector
1 BLDC DEVE, 12pin 11 HVPS2 21 STEP MOTOR (reserved)
2 BLDC OPC, 10pin 12 24V SWITCH 22 C,K LSU , 20pin
3 PTB, 14pin 13 DEBUG, 4pin 23 Y,M LSU , 20pin
4 FAN (reserved) 3pin 14 PTL, 8pin 24 FEED STEP,4pin
5 DEVE CRUM, 7pin 15 FAN (reserved) , 3pin 25 FUSER HEAT CONTROL, 6pin
6 SENSER TEMP, 8pin 16 EXIT STEP, 4pin 26 SCF JACK
7 BLDC FUSER, 15pin 17 REAR FAN, 3pin 27 ETHERNET JACK
8 FUSER THERMISTOR,4pin 18 SMPS TYPE5, 28pin 28 USB DEVICE JACK,
9 CURL SENSOR (reserved), 3pin 19 LSU MOTOR 10pin 29 TEMP_LSU, 2pin
10 HVPS1 20 JTAG, 8pin 30 DIMM SLOT
NO. Connector
1 USB HOST, 5pin
2 SCAN JOINT, 34pin
3 MODEM, 12pin
4 SATA POWER, 5pin
5 CCD, 40pin
6 REVERSE, 20pin
7 SATA, 7pin
8 WLAN, 40pin