Block Diagram - Samsung SCX-4216F Series Service Manual

6. Block Diagram

LCD (16X2)
OPE
FLATEN
3P
COVER HT48C50
LCD/LED DRIVER
KEY SCAN
SENSOR DRIVER
CONN.
CCD LAMP
FLATEN
MOTOR
DRIVER
(TEA3718X2)
4P
1 6 P
FLATEN
MOTOR
24P
CCD
MOTOR
Samsung Electronics
USB 1. 1
S3C46Q0X
IEEE1284
ARM9TDMI
GEU
P1284
USB 1.1
1 TU
14P
I/O I/F
DMAC
PVC
UARTX2
MEMORY I/F
CACHE (4K)
IMAGE PROCESSOR
6P
CONTROL
24PX2
ADF/
FLAT MOT
CONTROL
ADF
SCX-4216F, 4116 only
A D F
ADF
MOTOR
DRIVER
ADF 4 P
(TEA3718X2)
MAIN
HR(ZENER)
RESET
S D R A M
( 8M B, 16M B)
FL AS H
M E M ORY
(1M B ,2M B)
E X TE RN A L
G P I O
74HCT273 x 2
LD CTL.
74ACT245 x 1
MOTOR
DRIVER
MODEM
(A3977SLP)
336.Kbps
AUDIO PART MODEM AFE
ADF POS SEN.
ADF DET SEN.
ADF REGI SEN.
SCX-4216F only
SMPS
INLET &
POWER S/W
2 6 P
+5V/
+12V/
+24V
THERM.
AC PWR
2P
2 P
FUSER
MAIN
MODEM &
1 4 P
TRNSFORMER
EXT. PHONE
600 : 600
SEPERATING
TX : RX
EXT.PHONE
LINE
LIU
INTERFACE
INTERFACE
Block Diagram
AC 110V/220V
P_ EM P.
M HV
SENSOR
SUPPLY
EXI T
SEN SOR
DEV
MP E MP.
T HV
SEN SO R
FEED
OPC GND
SENSO R
COVER S/W
HVPS
+24V
2P
FAN
11P
LSU
4P
MAIN MOT.
3P
MAIN SOL.
2P
MP SOL.
2P
PTL
LINE
PART
EXT. PHONE
PART
6-1