Ricoh B291 - Board Structure; Block Diagram

BOARD STRUCTURE
SM 6-5 B291/B295/B296/B297
Detailed
Descriptions
6.2 BOARD STRUCTURE
6.2.1 BLOCK DIAGRAM
This machine uses the GW (Grand Workware) architecture, which allows the copier
to be expanded as an MFP by installing simple modular components (SD cards) on
the controller board. The BICU and FCU are connected to the controller via a PCI
bus.
PSU
BICU
IOB
Option
C o n tro ller
ASIC
Trumpet
CPU
RM 7035C
ATA100
HDD
PCI
ASIC
Shaker
RIO3
Option×2
SD
CARD
SD
CARD
MB
ADF
AKS
Inverter
Exposure
Lam p
Scan.
Motor
MDB
Driver
SBU
CCD
4.7μm
LM 98513
DAC P/H
LVD S
Driver
GASBUP
SIB
H8/
3297
DC-DC
C onv.
5V 12V
UART
UART
LVD S
OPU
VLCDC
F-RO M
2M B
SDRAM
8M B
SSTL2
RAM-DIM M
RAM-DIM M
SM Bus
RTC
SEEP
RO M (1kbit)
SSCG
SPI
NVRAM
64 M B
PHY
USB2.0
・IEEE 1284
・Wire less LA N
・MLB2
・Bluetooth
PCI(R A P I)
Sync．SCI
UART
UART
NRS
MK1I/F
FCUI/F
FAC E3
SAF
BACK
UP
SRAM
FRO M
Primary
B ackup
Reset
DIMM
Option
FAM E
SP
DRV
LSD
Primary
Comm.
Circuit
DTMF
Rec,
Ext. Tel
Line
RGU
MBU
GS
Relay
Circ u it
TEL
CCUDRV
EXSRAM
(E xp a n .）
CCUIF
SG 3-N EO
SiG4-ASD
or
SG 3-N EO
GWFCU3
LVDC
Reciver
RI1001A
CDICA
eSO C
(m 66485)
I
2
C
SRAM
256kB
FRO M
2M B
eIO eIO
Driver
P.P.
Sensor
A cyuator
1bin
Tray
BANK
B 408 B545 B546
LCT
Bypath
Tray
Finisher
Sync.SCI
UART
UART
UART
Fuser
Motor
Feed
Motor
Main
Motor
LD
R o ta te
Dulex
Unit
Fuser
Unit
DC-DC
1
DC-DC
2
AC-DC
AC
Drive
+5V E
+5V
+24V
+12V
-12V
+5V
+5V E
LDB
PM ACA
LD
LD
Polygon
motor
I
2
C
EEPRO M
PM ACA
GAVD
Type-R
ICIB
B195D920.WMF
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA