Download Samsung ML-2552W Specifications

Block Diagram
9
9. Block Diagram
DATA(0:31)
ROM
ADDR(2:23)
Prog. ROM 2M*2
Font ROM 1M*2
Voltage
(Built in Board)
Regulator
ROMCS(0:1)
nRD
nWR
Blank DIMM
nReset
for
ROMCS(2:3)
Options
Memory Data Bus
SDRAM
DRAMD(0:31)
SDRAM 16MB*2
Memory Address Bus
Working Mem.
(Built in Board)
S
P
G
P
i
ADDR(0:31)
CPU
PowerPC
TS*, TT1,nTSBT, TSIZ(0:2)
SPC603IFT
nTA,RST*,INT*,nTS,nBG
266MHz
SYSCLK
X-Tal
DRAMA(0:12)
EMI
Attenuator
Process
Clock
DQM(0:3),BA(0:1)
RAS,CAS,SCS(0:3)
SDCLK(0:1),CKE
UART Control Signals
SDRAM DIMM
Extension Mem.
Voltage
Max.128MB
Regulator
DATA(16:31)
ADDR(2:6)
X-Tal
IOCS,nRD,nWR
X-Tal
EMI
Attenuator
nUSB_DREQ,nINT
USB_RST
Voltage
Detecto r
Supply
USB2.0
D+
DVBUS
Controller
Serial
EEPRO
5V
3.3V
M
Dout
Din
CS
CLK
DATA(16:31)
Bus Control Signals
Network
OPTION
I/F
NPC
Connector
&
wireless
ACK*, BUSY, SELECT,ERROR,FAULT*
5
PC
1284
D+
4
PD(0:7)
Buffer
Video
LVDS
8
D-
1284 Impedance
Stepper Motor Control Signals
Dri ver
BLDC Motor
Control
Signals
LSU
Engine
I/O Control
Motor
nHs ync .
nLReady
nPmotor
Clock
ADDR(2:9)
Data(0:7)
Matching Circuits
Stepper
USB 2.0
ADDR(2:18)
24VS
SELIN*
STROBE*
AUTOFD*
INI*
PC
RESET*
Micro SW
Power
USB C lock
nUSB_DACK
Video Clock
LCD
Panel
ASIC
Clucth(MP,Regi)
Sensor(MP,Paper,Duplex)
PWM(THV,MHV,DEV)
Engine Control Devices
Duplex Motor
Main Motor
Engine Drivin g
(Stepper)
(BLDC)
Citcuit
SCF Control
Signals
SCF
(Option)
Service Manual
Samsung Electronics
9-1