Toshiba e-STUDIO350, Руководство по обслуживанию, Страница: 37 / 286

November 2003 © TOSHIBA TEC 2 - 21 e-STUDIO350/450 OUTLINE OF THE MACHINE
2
2.4 General Description
2.4.1 System block diagram
Fig. 2-401
LGC
SYS
SLG
CCD
SNS
LRL
Laser unit
LDR
8
8
16
8
8
8
16
8
64
64
16
8
32
32
8
32
16
32
32
32
32
32
32
8
16
16
8
PSTN
Exter
nal TEL
PSTN
PCI-b
us
Data-b
us
Data-b
us
Data-b
us
Data-b
us
Scr
amb
ler board
Main memor
y
(DIMM
)
128MB
Laser beam sensor
ASIC
SRAM 128KB
SRAM 512KB
NVRAM
8KB
NVRAM
256KB
Flash R
O
M
512KB
Flash R
O
M
2MB x 2
Batter
y
RT
C
Flash R
O
M
4MB x 2
Do
wnload jig
Do
wnload jig
Do
wnload jig
IPC
PFP/LCF
RADF
ADU
Motors
HVT
Clutches
Sensors
Solenoids
Switches
Bypass unit
K
e
y cop
y
counter Cop
y k
e
y
card
Finisher
Br
idge unit
Job separ
ator/Offset tr
a
y
Bus tr
ansceiv
er
Bus tr
ansceiv
er
I/O
Finisher
Control panel
PCI exter nal slot
USB connector
(host-1
)
USB connector
(de
vice
)
USB connector
(host-2
)
RS-232C
P
a
rallel por
t
(IEEE-1284
)
HDD
NCU
(LINE-1
)
NCU
(LINE-2
)
NIC
Dongle Dongle
Modem
FA
X
CCD
Flash R
O
M
512KB
SRAM 128KB
Amp Amp
A/D A/D
FA
X
Scr
amb
ler board
Pr
inter kit,
Pr
inter/Scanner kit,
Scanner upg
rade kit
LAN connector
(10BASE-T/100BASE-TX
)
: Option
(Odd
)
(Ev
en
)
ASIC
ASIC
ASIC
System-CPU
266MHz
Engine-CPU
24MHz
ASIC
ASIC
ASIC
ASIC
Motors
Scanner-CPU
22MHz
P
age memor
y
(SDRAM
)
32MB
Laser diode