Samsung Lazett Combo SCX-4216F, Service Manual

Page: 134 / 135

9
9
9-1
Samsung Electronics
B LO C K D I AG R A M
Service Manual
9. Block Diagram
US
B
1.
1
IEEE
12
84
MODEM
336.Kbps
AUDIO P
AR
T
MODEM
AFE
S3C46Q0X
ARM9TDMI
GEU
P1284
USB 1.1
1 TU
I/O I/F DMAC
PVC
UAR
TX2
MEMOR
Y
I/F
CACHE (4K)
IMAGE PROCESSOR
RESET FL
A
S
H
ME
M
O
R
Y
(1
M
B
,
2M
B
)
SD
R
A
M
(8
M
B
,1
6M
B
)
EXT
ER
N
AL
GP
IO
74
H
CT
27
3
x
2
74A
CT
245
x
1
MAIN
MOT
OR
DRIVER
(A3977SLP)
LD CTL.
THERM.
HR(ZENER)
24PX2
M
AC 1
10V/220V
HV
SU
PPL
Y
DE
V
TH
V
COVER S/W
+2
4V
+5V/ +12V/ +24V
INLET
&
POWER S/W
26P
EX
IT
SE
N
S
O
R
MP
E
MP
.
SE
N
SO
R
FEED
SE
N
SO
R
P_
EM
P.
SE
NSO
R
OPC GND
FUSER
FA
N
LSU
MAIN MOT
.
MAIN SOL.
MP
SOL.
PTL
AC PWR
2P
2P 2P
2P
2P
3P 4P 11
P
EXT
. PHONE
LINE
14P
LCD (16X2)
FLA
TEN
COVER
CCD
FLA
TEN
MOT
OR
ADF
MOT
OR
ADF
MOT
OR
DRIVER
(TEA3718X2)
ADF POS SEN.
SCX-4216F
, 41
16 only
SCX-4216F only
ADF DET
SEN.
ADF REGI SEN.
FLA
TEN
MOT
OR
DRIVER
(TEA3718X2)
CCD LAMP
CONTROL
ADF/
FLA
T MOT
CONTROL
AD
F
14P
3P
6P
16P
24P
4P
4P
TRNSFORMER
600 : 600 TX : RX
LINE
INTERF
ACE
MODEM &
EXT
. PHONE
SEPERA
TING
PA
R
T
EXT
.PHONE
INTERF
ACE
PA
R
T
HT48C50
LCD/LED DRIVER
KEY
SCAN
SENSOR DRIVER
OPE
CONN.
ADF
LIU
HVPS
SMPS
MAIN