Samsung SF 4700 Block Diagram

Samsung Electronics

9-1

9. Connection diagram

SCANIP2

8BIT ADC

SCAN CNTR

Color I P

I/O PORT

DMA

MAIN

LIU

POWER

OPE

PAPER EMPTY

LCD

DOC.POS SENSOR

PAPER EMPTY

SENSOR

AC

(110V

~240V)

EXTERNAL PHONE

&

TAD I/F

SPEAKER

SMPS

(+30V,+11.75V,+5V)

TELEPHONE

LINE

KS32C6400

ARM7TDMI

MEM. CNTR

HEAD CNTR

MOTOR CNTR

DERASTERIZER

UART 2

IEEE 1284

TIMERS

I/O PORT

INT. CNTR

REAL TIME CLOCK

USB Interface

DMA 4

MODEM

14400bps

+22V

GENERATOR

MAIN CLOCK

(40 MHz)

FLASH

Memory

(8Mbit)

DRAM

(16Mbit)

AUDIO

PART

AFE

PARALLEL PORT

INTERFACE

PART

PRINT HEAD

DRIVER

CIS INTERFACE

PART

PRINT HEAD

CHECK & PREHEAT

PC

CIS

(COLOR 300 DPI)

PAPER EXIT SENSOR

CENTRONICS

STEPPER

MOTOR DRIVER

SCAN

STEP MOTOR

DRAM

(16Mbit)

FAST SRAM

(256Kbit)

COLOR

CARTRIDGE

MONO

CARTRIDGE

PRINTHEAD

(600DPI)

DOUBLE HEIGHT

2 PEN

KEY PANNEL

CENTRONICS I/F

ENCODER

RESET

CONTROLLER

RTC CLOCK

(32.768 KHz)

DOC.DET SENSOR

Thermister

CLOCK

(38.00053 MHz)

DC

MOTOR DRIVER

STEPPER

MOTOR DRIVER

CARRIER

DC MOTOR

LINE FEED

STEP MOTOR

BATTERY

BACK UP

(Cap:1000UF)

MO DEM &

EXT_PHONE

SEPER ATING

PA RT

Ri ng

Detection

Pa rt

EXTER NAL

PHONE

DETECTION

PAR T

600/ /600

Tx/Rx

TRANSFORMER

MEMO

Samsung Electronics9-2