Samsung SCX-4216F - Block Diagram

9
9
9-1
Samsung Electronics
B LOCK DIAG R A M
Service Manual
9. Block Diagram
USB 1. 1
IEEE1284
MODEM
336.Kbps
AUDIO PART MODEM AFE
S3C46Q0X
ARM9TDMI
GEU
P1284
USB 1.1
1 TU
I/O I/F
DMAC
PVC
UARTX2
MEMORY I/F
CACHE (4K)
IMAGE PROCESSOR
RESET
FLASH
MEMORY
(1M B ,2MB)
SDR AM
(8MB,16MB)
EXTERNAL
GPIO
74 H CT 2 7 3 x 2 74ACT245 x 1
MAIN
MOTOR
DRIVER
(A3977SLP)
LD CTL.
THERM.
HR(ZENER)
24PX2
M
AC 110V/220V
HV
SUPPLY
DEV THV
COVER S/W
+24V
+5V/ +12V/ +24V
INLET &
POWER S/W
26P
EXIT
SEN S OR
MP E MP.
SEN SO R
FEED
SENSO R
P_ EMP. SENSOR
OPC GND
FUSER
FAN LSU
MAIN MOT.
MAIN SOL.
MP SOL.
PTL
AC PWR
2P
2P 2P
2P
2P
3P 4P 11P
EXT. PHONE
LINE
14P
LCD (16X2)
FLATEN
COVER
CCD
FLATEN
MOTOR
ADF
MOTOR
ADF
MOTOR
DRIVER
(TEA3718X2)
ADF POS SEN.
SCX-4216F, 4116 only
SCX-4216F only
ADF DET SEN.
ADF REGI SEN.
FLATEN
MOTOR
DRIVER
(TEA3718X2)
CCD LAMP
CONTROL
ADF/
FLAT MOT
CONTROL
AD F
14P
3P
6P
16P
24P
4P
4P
TRNSFORMER
600 : 600
TX : RX
LINE
INTERFACE
MODEM &
EXT. PHONE
SEPERATING
PART
EXT.PHONE
INTERFACE
PART
HT48C50
LCD/LED DRIVER
KEY SCAN
SENSOR DRIVER
OPE
CONN.
ADF
LIU
HVPS
SMPS
MAIN