Toshiba e-STUDIO2500c, Service Manual, Page: 42 / 402

e-STUDIO2500c/3500c/3510c OUTLINE OF THE MACHINE May 2006 © TOSHIBA TEC
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2.4 System Block Diagram
Fig. 2-15
LDR-K
LDR-C
LDR-M
LGC
IMG
SLG
CCD
SNS
Laser unit
LDR-Y
EPU-K
EPU-C
EPU-M
Developer unit
(EPU
)
EPU-Y
JSP
USB
SYS
16
16
32
8
PCI-bus Data-bus
Data-bus
Data-bus
16
16
32
8
8
16
8
8
8
8
32
16
16
32
64
64
64
32 32 32
64
64 64
64
64
64
64
32
32
8 8
8
8
16
16
16
16
8
e-BRIDGE
ID Gate
SRAM
128 KByte
SRAM
512 KByte
NVRAM
8 KByte
FRAM
32 KByte
Flash ROM
1 MByte
Battery
RT
C Flash ROM
8 MByte
Flash ROM
8 MByte
LCD
controller
(LCDC
)
Download jig
(SYS1
)
IPC
RADF
PFP/LCF
Switches
High-voltage
transformer
Sensors
Motors
Clutches
Key counter
Solenoids
Copy key card Coin controller
Finisher
Bridge unit
I/O
Finisher
Control panel
HDD
Wireless LAN
adapter
F
AX unit
CCD
Flash ROM
512 KByte
EEPROM
512 Byte
SRAM
128 KByte
Amp
A/D
Amp
A/D
Amp
A/D
LV
D
S
driver
LV
D
S
receiver
LAN
(10BASE-T/100BASE-TX
)
Internal
USB
(host)
USB
(host
)
*Rear
USB
(device
)
: Option
(R
)
(G/K-odd
)
(B/K-even
)
Laser beam sensor
Laser diode
ASIC
ASIC
ASIC
System CPU
867 MHz
Image processing
(ASIC
)
Engine CPU
34 MHz
ASIC
ASIC
ASIC ASIC ASIC
ASIC ASIC
Ether PHY
North bridge
(System controller
)
ASIC
Scanner CPU
22 MHz
Bluetooth
module
Data overwrite
kit
Download jig
(SYS2
)
Download jig
(SLG
)
Download jig
(LGC
)
Page memory
(DIMM
)
Standard: 256 MByte
Page memory
(DIMM
)
Option: 256 MByte
Main memory
(DDR DIMM
)
Standard: 512 MByte
Main memory
(DDR DIMM
)
Option: 512 MByte
USB
(host
)
*Front
Hub