Main Board - Samsung CLX-330x Series Service Manual

2.2.5.1. Main board

Chorus3–Next(C3N) chip is adopted as the main processor. Its process speed is 533 MHz. It is integrated engine controller,
video controller, scan controller.
DDR3 128MB is adopted for high speed data processing. Boot adopted the 16MB SPI + 4MB SPI.
USB is the embedded type and wired network supports 100M full duplex.
[Main board diagram]
CIS
5p
P olygon Motor
LS U
9p
LD B d
US B DEVIC E
US B HOS T
DIR EC T
T2 clutch
+24 V / +5V
S MP S
C ontrol S ignal
Fus er AC
2p
LAMP
FUS ER
Thermis tor
W,FN,FW mo d e l o n ly
LAN
4p
C R UM Y
CRUM
J oint
4p
C R UM M
Oute r
4p
C R UM C
TEMP
HUMIDIDY
4p
C R UM K
Copyright© 1995-2012 SAMSUNG. All rights reserved.
CLX-330x s e rie s
16p
Ma in Bo a rd
16p
DDR3
128 MB
4p
5p
3p
EEP R OM
SDA
8/32K/64 KB
SCL
14p
CONTROL
A4984
Nand
Flas h
128 MB
2p
14p
SPI
Wire le s s Mo d e l
o n ly
11p
W-LAN Module
&
Blo c k Dia g ra m o f
AR M11 533 MHz
CHORUS3-N
R AM controller
GP IO
ADC 8 C H
MAC
P WM 6C H
UAR T
LS U
I2C
controller
HP VC
S tep Motor
Image P roces s or
Local controller
US B 2.0 P LL
S S CG
USB
Mclk
Vclk
Clo ck
12 MHz
30p
4in1 On ly
S peaker
MODEM
12p
ADF Motor
ADF I/F
ADF S e ns or
6p
2. Product specification and description
2p
HVP S
2p
T1
4p
T2
27p
CHARGER
De ve S upply
2p
De ve Bia s
De ve Dr.Bla de
3p
2p
3p
9p 3p
OP E P ANEL
LCD / MICOM / Ba tte ry
4p
10p
2p
5p
24p
5p
3p
2p
6p
3p
Conne ction I/F
Boa rd
3p
2p
2p
Front Cove r ope n
Re a r Cove r ope n
Was te Toner
TX & R X
FAN NC
EXIT s ens or
P TL LAMP
Outbin full s ens or
S C AN Home
s ens or
S can motor
BLDC
Motor
(MAIN)
R egi clutch
C TD
ITB HOME s ens or
& Inner TEMP .
DEVE HOME s ens or
DEVE clutch
Empty s ens or
R egi s ens or
ITB clutch
P ickup clutch
2-24