Board Structure; Block Diagram - Ricoh B264 Service Manual

6.2 BOARD STRUCTURE

6.2.1 BLOCK DIAGRAM

H D D
S D R A M F-R O M
8M B 2M B
S ync． S C I
V LC D C
O P U
C C D LV D S
LM 98513
4. 7μm D ri ver
D A C P /H
G A S B U P
S B U
A D F
A K S
Exposure
I nverter
Lam p
M D B
S can.
D ri ver
M otor
This machine uses the R2K 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.
SM
・ I EEE1284
・ M LB 2
R I O 3
・ I EEE1394
O pti on×2
N V R A M
C P U
64 M B
R M 7035C
S D
C A R D
P C I
A S I C
A TA 100
T rum pet
R A M -D I M M
S STL2
R A M -D I M M
SM B us
S EEP
R TC S S C G
R O M (1kbi t)
M B
S I B
C D I C A
G A V D
2
I C
T ype-R
LV D C
R I 1001A
LV D S
R eci ver
EEP R O M
S R A M
eS O C
I 2 C
256kB
(m 66485)
H 8/
3297
U A R T
U A R T
D C -D C
C onv.
eI O eI O D ri ver
5V 12V
S ync. SC I
S ensor
P . P .
1bi n
A cyuator
T ray
B 408
6-5
BOARD STRUCTURE
・ W i rel ess LA N
・ B l uetooth
G S
R el ay
P ri m ary
C om m .
LS D
C i rcui t
S P
FA M E
S D
D R V
C A R D
A S I C
P H Y
S haker
M B U
U S B 2. 0
P ri m ary
FR O M
B ackup
D I M M S R A M R eset
O pti on
FA C E3
S A F
B A C K
U P
FC U I /F
G W FC U 3
C ontrol l er
U A R T
U A R T
I C I B
B I C U
LD B
P M A C A
LD
P M A C A LD
P ol ygon
m otor
D C -D C
FR O M
+5V E
+5V
2M B
+24V
D C -D C
+12V
-12V
D ul ex
Feed
U ni t
M otor
Fuser
LD U ni t
M ai n
Fuser
R otate
M otor M otor
B ypath
T ray
U A R T
LC T
I O B
U A R T
B A N K
U A R T
Fi ni sher
B 545 B 546
C i rcui t
T EL
R G U
Ext. Tel
Li ne
D TM F
R ec,
S i G 4-A S D
C C U D R V
or
S G 3-N EO
C C U I F
S G 3-N EO
EX S R A M
(Expan. ）
O pti on
+5V
N R S
M K 1I /F
+5V E
A C -D C
1
2
A C
D ri ve
P S U
B195D920.WMF
B264/B265