Samsung MultiXpress K7 Series - Main Controller (Main Board)

2.ProductSpecicationsandDescription
2.12.1.MainController(MainBoard)
NOTE
Themaincontrollerforpreviousmodelisnotcompatiblewithnewmodel(IRUI).Whenreplacingthemaincontroller,be
carefulnottobereplacedwithincompatibleone.
1)MainControllerforpreviousmodel
Themaincontrollerconsistsofthemainprocessor(A3000),memory(DDR34GB),MicroSD(4GB),1GEthernet
PHY ,USB3.0HUB,Micom(Power/Fusercontrol)andcancontrolVideo/UI/FAXsignalinterfaceconnection,motordriving
IC,Enginesignalinterfaceconnection,powerinterface.
Themainprocessor(QuadCore1.5GHzCPU)controlsvideo,engine,UIdisplayandcommunicateswiththevarious
devices.TheHDDisconnectedtothemaincontrollerbySATAcableandtotheotherdevice(ADF,DCF,Finisher,
Modem)byUART.
1)MainControllerBlockDiagram
USB 3.0 HUB P B A
OPTION KIT
SCANNER
A 3000
PL A TEN
DSDF
DE B UG _MCB
DE B UG _SCB
DE B UG _ENGINE
ENGINE PANEL
DSDF
DCF
FINISHER
MODEM 0
MODEM 1
U A R T
SCANIF
CH 1
USB
3.0
HOST
USB
3.0
DEVICE
SCANIF
CH 0
M A C 0
M A C 1
S A TA
LSUC
HP V C
MMC
R TS 5401
4Port HUB
REAR
USB
HOS
1/2
REAR
USB
DEVICE
R TL 8211 E
Gigabit phy
RJ 45
BASE
RJ 45
EXTEND
GPIO
PWM
S A TA
2.5", 320GB
4BEAM LSU
YMCK
LD1
LSU _MOT 1
VDO 1B_K
VDO 2B_K
VDO 3B_K
VDO 4B_K
VDO D ATA
CTRL.
mic roSD
4GB
Boot Device
CTRL.
ADC
1.8 V
M A GIC
IO
DD R C
800 Mhz
64 bit
CTRL.
A TSAMD 2E 15
External ADC 12b
FUSER
NCTH 1 C /D NCTH 2 C /D
FUSER UNIT
A N A LOG MUX
MP SIZE / PAPER SIZE1,2 /
INNER, OUTTER , EXIT
HUMI DITY, MODEL SEL , AC Level
Step Motor FB/ 24V FB
12Bit ADC
EN G IN E
SENSOR
EMPTY 1/2, LIFT1/2, PRE FEED 1/2, FEED
REGI, MP _EMPTY /SIZEL/W , CURL 2,
FUSER IN/OUT , BIN_FULL_EXIT1/2,
DUPLEX _JAM 1/2, DUPLEX _RETURN ,
PAPER _SIZE1/2, WASTE _INSTALL,
RESERVOIR Y/M /C /K,
FUSER POS ,
COVER OPEN FRONT /SIDE,
SCAN HOME / APS 1,2/LSU ,
PLATEN COVER OPEN 1,2
SOLENOID / C LT
CLT : MP
SOL : MP / EXIT
DC M O T
CST LOCK 1/2
FAN
EXIT 1/2/3, SMPS ,
DEVE ,
FUSER OUT
HVPS
MHV K
DEV DC K
DEV AC VPP K
DEV AC
DEV AC EN K
EN THV / THV K
THV / THV CLEAN
SAW / FUSER BIAS
BLDC
PTB/K, FUSER
STEP M O T
PICKUP1/2, FEED , REGI,
DUPLEX _RET/1/2
FUSER RELEASE , TONER SUPPLY YM /CK
TONER RESERVOIR YM /CK
D R V 8825
X10
SI-7321 M
X2
DDR 3 4G
8Gb (x16), x4
CTRL.
R TS 5401
4Port HUB
R TL 8211 E
Gigabit phy
SPII2C
FUSER
PTB
R T C
2
nd
NW
TONER C R UM
OPC C R UM
FR ONT
USB
HOST
OPE
10 .1 "
TFT LCD
WIFI/NFC MODULE
CARD READER
PCIex
EFI VIDEO
CONT R OLLER
Ch2
Ch1
Ch0
Ch0
Ch1
Ch2
Ch3
Ch5
Ch6
Ch7
Ch10
Ch11
Ch9
A TSAMD 2E 15
Ch4
A N A LOG MUX
READ MHV YMCK , THV YMCK
TC YMCK / CTD ,ACR / FUSER / WTB
EFI
MSOK
Ch0
2)MainControllerClockDiagram
Copyright©1995-2017SAMSUNG.Allrightsreserved.2-95