Service manual

Block Diagrams
Samsung Electronics 6-1
6. Block Diagrams
MODEM
33.6Kbps
SPGPm
ARM946ES
CACHE(16K*2)
SDRAMC
ROMC
DMAC
PVC
GEU/HCT/gCODEC
I/O I/F
Engine Control
IEEE1284/USB2.0
Extended
GPIO
74LCX245
74HCT273
FAST
SRAM
(28Kbit)
MOTOR
DRIVER
AFE
SRAM
Backup logic
Flash,Kernel
(1MB) X 2EA
SDRAM,1 6MB
MOTOR
DRIVER
A3977SLR
MOTOR 1
MOTOR 2
SMPS / HVPS
+5V/+24V/+12V/+24Vs/Fuser
M
H
V
DEV
SUPPLY
BLADE
T
H
V
8P
FAN
TONER_TX
TONER_RX
PTL
SOLENOID
PICK_UP,DUPLEX,M P
PAPER SENSOR
FEED+P.EMP,EXIT,MP
COVER OPEN S/W
+24V / +5V
LSU
11P
THERMISTOR
2P
3P
DEV_ID
3P
3P
4P
2P
2P x 3EA
4P
3P x 2EA
6P x 1EA
CENTRONICS CABLE
USB CABLE
CCD MODULE
24P
24P
24P
1
4P
5P
FLAT MOTOR
MOTOR
DRIVER
ADF MOTOR
PAPER SENSOR
POS,DET
3Px2EA
15P D-SUB
Option
CIP4
Image Processer
AFE I/F
I/O PORT
Motor CNTR
DMAC
NETWORK KIT
NETWORK
I/F(NetONE)
Font ROM
Option
MICOM
- LCD Drive
- Key Scan
LCD 16x2line
External
Auditron
Option
Network I/F
D-SUB
CONN.
MO DEM &
EXT_PHONE
SEPER ATING
PA RT
EXTER NAL
PHONE
INTE RFACE
PAR T
600/ /600
Tx:Rx
TRANSFORMER
LINE
INT ERFACE
MAIN
OPE
PLATEN
ADF
LIU
EXTERNAL
PHONE
LINE1