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MX-C401 BLOCK DIAGRAM / ブロック図 1 – 4
3. PCU PWB
IC37
CPU
H8S/2373
IC4
7
o
r
IC48
RESET
IC
X1
X
ta
l
1
9
.66
08MH
z
DC
Po
w
e
r
Su
pp
ly
To
MFPC
V
ia
LSU-Mo
th
e
r
To
LSU-Mo
th
e
r
FINISHER
DESK
Optional
IC2
9
EEPROM
(6
4
kbit
)
FLASH
ROM
(1
6
M
bit
)
IC3
9
SRAM
(1M
bit
)
IC11
PMC
ASIC
Lo
a
dC
o
ntr
ol
Ou
tp
u
t
Co
in
ve
n
do
r
(O
pti
o
na
l)
Sensor
Input
CPED1/MPED/MPLD1
/TFD2/1TNFD
Motor
Lock
D
etect
FAN_LD1/2/DVM_CL_LD/
DVM_BK_LD
Fuser
Thermistor
open
detect
(THOPEN_MAIN)/LOW/SUB
CRU
initial
d
etect
1TCCRU_
in
/2TCCRU_
in
/FUCRU_
in
/1TCSET/2TCSET/
TNCRU_K_
in
/C/M/Y
Fuser
unit
HL
co
ntr
ol
HL_MAIN/LOW/EX1(EX2)
HV
MC/TC
u
nit
DC
Motor
Control
DV
Mo
to
r
BK
(DVM_K)
DV
Mo
to
r
CL
(DVM_CL)
Fuse
r
Mo
to
r
(FUM)
FAN
Motor
Control
PS
FAN
(PSFM)/
P
ro
co
n
FAN
1
(PROFM1)/
P
ro
co
n
FAN
2
(PROFM2)/
Pou
tFAN
(POFM)/
Fuse
r
FAN
(FUFM)/
LSU
FAN
(LSUFM)
D
rum
L
a
m
p
(DL_K/C/M/Y)
IC4
9
/IC50/IC51
MUX
HC151
x3
Sensor
Input
PPD2
Motor
Lock
Detect
FAN_LD4
Fuser
Thermistor
open
d
etect
THOPEN_EX1
Stepping
M
otor
control
Pou
t
Mo
to
r(POM)/
P
ap
e
r
Feed
Mo
to
r
(CPFM)/
Res
is
t
Mo
to
r(RRM)
Load
control
Output
MPFS/CPUC1/1TURC_1/
1TURC_2/CPFC/ADUC1
/2TURC/HLPCS/
DVCRU_Y/M/C/K
Sensor
Input
CPFD1/HPOS/PPD1/DHPD_CL/
DHPD_K/POD2/DSW_F/DSW_R/
CLUD1/CSPD1
CRU
initial
d
etect
DRCRU_Y_
in
/M/C/K
Syncronous
Motor
To
n
e
r
Mo
to
r
(TNM_K/C/M/Y)
DC
Motor
䌌
ift
U
p
Mo
to
r
(CLUM)
Analog
Input
Fuse
r
T
h
em
is
to
r
(TH_MAIN/LOW/SUB/EX1/EX2)
To
n
e
r
Co
nt
.s
e
n
so
r
(TCS_K/C/M/Y)
P
ro
cess
C
o
nt
.C
Ls
e
n
so
r
(PCS_CL)
P
ro
cess
C
o
nt
.BK
&
R
es
is
t
se
n
so
r
(REGS_F/R)
IC44
S
pr
e
a
d
S
p
e
ctr
um
CRUM
CRUM_K/C/M/Y
FW
UART
UART
UART
UART
I2C
B
us
Add
ressBus
[20:0
]
DATABus
[15:0
]
CLOCK
I2C
B
us
3-wir
ed
PWM
Not
M
ount
CLOCK
IC34
CPLD
I2C
B
us
IC2
6
A
na
lo
g
MUX
Writ
eP
ro
te
ct
IC23
D/A
Co
nv
(TCS/REGS
co
nt
)
Se
n
so
r
Inp
u
t
COIN
VENDOR
(O
pti
o
na
l)
CV_CLCOPY/
CV_COPY
Analog
Input
tem
p
/h
um
se
n
so
r
(TH_M/HUD_M)
LSU
T
h
e
rm
is
to
r
(TH1_LSU)
DV
de
te
ct
o
r
(DVTYP_C/M/Y/K)
Mul
ti-
bypa
ss
tray
w
id
th
se
n
so
r
(MPWD)
Sensor
Input
CSS11-13/POD1/APPD1/APPD2
1TUD_K/1TUD_CL/(2TUHPS)
Motor
Lock
D
etect
FUM_LD/FAN_LD3/FAN_LD8
Fuser
Thermistor
open
detect
(THOPEN_MAIN_CS)/EX2
CRU
initial
detect
DVCRU_Y_
in
/M/C/K/DRSET
TNCRU_Y/M/C/K
HV
error
detect
MC_BK_ERR
/CL/PTC_ERR
Drum
Lamp
open
detect
DLOPEN_Y/M/C/K
Load
control
Output
FUCRU/1TCCRU/2TCCRU
FAN
M
otor
Control
HDD
F
AN
(HDDFM)
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