System Diagram; Block Diagram - Samsung SCX-472 series Service Manual

5. System Diagram

5. System Diagram

5.1. Block Diagram

S ys tem Bo ard
S e ria l Nor
: 20MB
DDR3
(16MB + 4MB)
16b it(On d ie )
128MB
DDR
S P I
C o n tr o l
EEP ROM
S DIO
S CX-4729FD/FW
I2C
:64KB
C3-Ne xt
En g in e
VIDEO CONTROL
CRUM IF
P WM C LOC K US B 2.0
MAC UAR T
MII
(AC201A1)
DC-DC Co n ve rte r
SN1001043 : 1.2V/1.5V/3.3V
HVP S : EP & THV High Volta ge output
Cove r ope n de te c t
Binfull/ Re gi/ fe e d/ P _e m pty s e ns or
Crum IF / P ic kup & re gi c lutc h
DEVE K UNIT
POWER
Kin g b ird SMPS(NEW)
CORD
CRUM
5-1
Motor – S te p(A4984)
Sc a n ADF (2)
MODEM IF RTC
CR2032(T.B.D)
- Loc a l bus (A 7bit D 8bit)
CIS IF
CIS LED Drive r(AK7864)
LAFE1001
I2C
ABC Chip
(S W3304B)
LSU
Vid e o
IF
24VS
FET(x2)
TR(x2)
5V
FDC642
Em b e d d e d US B
Mic ro S/W
(h vp s )
P IO o r UAR T
WLAN IF
W-m ode l only
Motor S te p(2)
S pe a ke r
SCAN ADF
MODEM IF
S e ns or (4)
-. Cone xa nt
-. ADF Cove r ADF_P _DET
ADF_P _P OS S c a n hom e
CIS Module
Motor IC-Le s s (2)
BLDC MAIN (1)
LS U P -Motor (1)
LS U Vide o Fa n (1)
-. MAIN
-. Dua l be a m
-. Ma in : P _Exit S e ns or
FUS ER UNIT
Co n ta c t
Th e rm is to r
850W la m p Th e rm o s ta t
US B2.0 De vic e
UI
2-Line LCD OP E
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