Sharp MX-6240N / MX-7040N (serv.man34) Service Manual ▷ View online
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 8
LSU CNT PWB (2/2)
LSU_ASIC
CHIP-2
SCN
Mother
LD
LSU_ASIC
CHIP-3
ID[1:0]
I2C
ROM
I2C BUS
Hard reset
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
Clock synchronization serial communication
JOBEND_INT_C
System CK
HSYNC/ECLK
Motor control
Polygon
control
Fan control
LD control
LD control
(APC etc.)
(APC etc.)
BD
nVSYNC_C
DT_C1+-
2
DT_C2+-
2
DT_C3+-
2
DT_C4+-
2
LSU_ASIC
CHIP-4
Main scanning,
Sub scanning
timing control
PCU I/F
Register etc...
ID[1:1]
I2C
ROM
I2C BUS
Hard reset
SCK
RSV_DAT
TRANS_RST
TRANS_DAT
Clock synchronization serial communication
JOBEND_INT_K
Serial
D/A I/F
LD control
LD control
(APC etc.)
(APC etc.)
8
DT_K1+-
2
DT_K2+-
2
DT_K3+-
2
DT_K4+-
2
Channel A: K1 circuit
Channel B: K2 circuit
Channel C: K3 circuit
Channel D: K4 circuit
PGM_CK
PGM_START
(PGM_BREAK)
CLK_C_EN
CLK_M_EN
CLK_A_EN
Motor control
Polygon
control
Fan control
PGM_LOCK
Polygon
motor
LSU
FAN
FAN
FAN_PWM
FANSTABLE
O.C.
O.C.
O.C.
3
S/S
ECLK
HSYNC
LVDS/Dr
iv
er
ECLK
HSYNC
nVSYNC_K
Image transfer CK
HSYNC
ECLK
HSYNC
VSYNC
ASIC
to CHIP-1/2/3
SYSCLK
Oscillator
(System CK)
ASIC
from CHIP-1/2/3
nVSYNC_Y/C/M
4
FPD-LINK/Reciv
er
ASIC
to CHIP-1/2/3
VIDEOIF_ACT
O.C.
nLDERRY/M/C/K
ASIC
to CHIP-1/2/3
BD
PCU I/F
Register etc...
Channel A: C1 circuit
Channel B: C2 circuit
Channel C: C3 circuit
Channel D: C4 circuit
FPD-LINK/Reciv
er
Print trigger chain
Print trigger chain
BD
OSCCLK_C
OSCCLK_M
OSCCLK_A
4
MFPC
Or
EFI
Serial
D/A I/F
3
nP2_L_AK1
nP1_L_AK1
nP0_L_AK1
nP1_L_AK1
nP0_L_AK1
nSEL_SH
nINT STC/K
4
SD_CLK
4
MSET_K/C
GAIN_FIX
2
P4_C_AK1(ENB)
P4_C_AK2(ENB)
P4_C_AK2(ENB)
2
P4_K_AK1(ENB)
P4_K_AK2(ENB)
P4_K_AK2(ENB)
P3_K_AK1
nP3_WAIT_AK1
nn#P0_AK1
#P0_1_AK1
nn#P2_AK1
nn#P1_AK1
nn#P1_AK1
SD_CLK
circuit
SDCLK_ENB
SDCLK_ENB
O.C.
8
35:5
35:5
#P0_2_AK1
SEL_ADJ_Y/M/C/K
P3_K_AK2
nP3_WAIT_AK2
nSEL_ADJ_K
3
nP2_L_AK2
nP1_L_AK2
nP0_L_AK2
nP1_L_AK2
nP0_L_AK2
nSEL_SH
nn#P0_AK2
#P0_1_AK2
nn#P2_AK2
nn#P1_AK2
nn#P1_AK2
#P0_2_AK2
P3_C_AK1
P3_WAIT_AK1
P3_C_AK2
P3_WAIT_AK2
nSEL_ADJ_C
P3_ADJ
P3_ADJ
#P0_3_AK2
O.C.
Main scanning,
Sub scanning
timing control
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 9
7. SERIAL COMMUNICATION / シ リ アル通信
TRANS_D
A
T
RSV_D
A
T
I/O
p
or
t
I/O
p
or
t
TxD0
RxD0
CPU
H8S/2373
Schmit
In
v.
nPCU_RxD
nPCU_TxD
nPCU_DSR
nPCU_DTR
SCK_LSU
RxD
TxD
I/O
I/O
CPU
RxD
TxD
I/O
I/O
RxD
TxD
I/O
Schmit
In
v.
Schmit
In
v.
TxD3
RxD3
TxD4
RxD4
TxD_LCC
RxD_LCC
DTR_LCC
DSR_LCC
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
A[4:0]
D[15:8]
PCU
H8S/3687
(Optional)
Schmit
In
v.
LVDS
Schmit
In
v.
Schmit
In
v.
PIC
PIC16F882
TxD_F
AX(D)-
TxD_F
AX(D)+
RxD_F
A
X(D)+
RxD_F
AX(D)-
TxD_F
AX(CS)-
TxD_F
AX(CS)+
RxD_F
AX(CS)-
RxD_F
AX(CS)+
1st
F
AX
Schmit
In
v.
Schmit
In
v.
CPU
SH7706
PIC
TxD
RxD
PIC16F6
9
0
F
A
X
ASIC
MB87F4
9
30
UA
R
T
B
_
T
X
D
6
UA
R
T
B
_
R
X
D
6
U
A
R
T
B_R
T
S_N6
U
A
R
T
B_CTS_N6
UA
R
T
B
_
T
X
D
7
UA
R
T
B
_
R
X
D
7
U
A
R
T
B_R
T
S_N7
UA
R
T
C
_
T
X
D
UA
R
T
C
_
R
X
D
POR
TC15
U
A
R
T
B_TXD0
U
A
R
T
B_RXD0
U
A
R
T
B_TXD3
U
A
R
T
_RXD3
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
RB_RXD_SCN
RB_TXD_SCN
RB_R
TS_SCN
RB_CTS_SCN
RB_RXD_PCU
RB_TXD_PCU
RB_CTS_PCU
RB_R
TS_PCU
RC_TXD_PIC
RC_RXD_PIC
RC_CLR_PIC
RC_REQ_PIC
RB_TXD_F
AX1D
RB_RXD_F
AX1D
RB_TXD_F
AX1CS
RB_RXD_F
AX1CS
RB_R
TS_F
AX1D
RB_CTS_F
AX1D
RB_R
TS_F
AX1CS
RB_CTS_F
AX1CS
U
A
R
T
B_R
TS0
U
A
R
T
B_CTS0
U
A
R
T
B_R
TS3
U
A
R
T
B_CTS3
LVDS
RB_TXD_F
AX2D
RB_RXD_F
AX2D
RB_TXD_F
AX2CS
RB_RXD_F
AX2CS
U
A
R
T
B_TXD1
U
A
R
T
B_RXD1
U
A
R
T
B_TXD4
U
A
R
T
_RXD4
RB_R
TS_F
AX2D
RB_CTS_F
AX2D
RB_R
TS_F
AX2CS
RB_CTS_F
AX2CS
U
A
R
T
B_R
T
S1
U
A
R
T
B_CTS1
U
A
RT
B
_
RT
S
4
UA
R
T
B
_
C
T
S
4
FA
X
2
Optional
(Same
as
1st
F
AX)
LVDS
Optional
(Same
as
1st
F
AX)
RB_TXD_F
AX3D
RB_RXD_F
AX3D
RB_TXD_F
AX3CS
RB_RXD_F
AX3CS
U
A
R
T
B_TXD2
U
A
R
T
B_RXD2
U
A
R
T
B_TXD5
U
A
R
T
_RXD5
RB_R
TS_F
AX3D
RB_CTS_F
AX3D
RB_R
TS_F
AX3CS
RB_CTS_F
AX3CS
U
A
RT
B
_
RT
S
2
U
A
R
T
B_CTS2
U
A
RT
B
_
RT
S
5
U
A
R
T
B_CTS5
FA
X
3
244
244
244
244
O.
C
.
Schmit
In
v.
O.
C
.
Schmit
In
v.
244
244
P.
U
.
P.
U
.
O.
C
.
Schmit
In
v.
P.
U
.
P.
U
.
P.
U
.
O.
C
.
O.
C
.
O.
C
.
P.
U
.
O.
C
.
P.
U
.
P.
D
.
O.
C
.
P.
D
.
P.
U
.
P.
U
.
P.
D
.
P.
U
.
P.
D
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
(P
.
D
.)
P.
U
.
(P
.
D
.)
P.
U
.
(P
.
D
.)
P.
U
.
(P
.
D
.)
(P
.
D
.)
P.
U
.
P.
U
.
(P
.
D
.)
(P
.
D
.)
P.
U
.
P.
U
.
(P
.
D
.)
P.
U
.
P.
U
.
(P
.
D
.)
P.
U
.
P.
U
.
(P
.
D
.)
P.
U
.
P.
U
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
O.
C
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
O.
C
.
O.
C
.
(P
.
D
.)
(P
.
D
.)
(P
.
D
.)
P.
U
.
(P
.
D
.)
P.
U
.
O.
C
.
O.
C
.
RB__CTS_RIC
RB__R
TS_RIC
RB_TXD_RIC
RB_DSR_RIC
RB_RXD_RIC
RB_DTR_RIC
U
A
R
T
_CTS_N10
U
A
R
T
_R
TS_N10
U
A
R
T
B_TXD10
Optional
Coin
V
e
ndor/PCI
P.
U
.
P.
U
.
P.
U
.
P.
U
.
RS232C
Dr
iv
er
RS232C
Dr
iv
er
RB_GPI_CTS_PCI
RB_GPO_R
TS_PCI
RB_TXD_PCI
RB_RXD_PCI
RB_DTR_PCI
RB_DSR_PCI
UA
R
T
B
_
T
X
D
8
Optional
PCISUB
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
U
A
R
T
B_CTS_N7
P.
U
.
Schmit
In
v.
P.
U
.
P.
U
.
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
P.
U
.
Schmit
In
v.
Schmit
In
v.
P.
U
.
Schmit
In
v.
Schmit
In
v.
RxD
TxD
SCK
(PD)
Schmit
In
v.
Schmit
In
v.
Schmit
In
v.
P.
U
.
P.
U
.
RxD
TxD
Schmit
In
v.
P.
U
.
P.
U
.
(P
.
D
.)
LSU
ASIC2
(Racoon)
LSU
A
SIC1
LSU
A
SIC3
LSU
ASIC4
(Racoon)
(Racoon)
(Racoon)
LSU
MPFC
REUS
ASIC
TxD2
RxD2
SCK2
FINISHER
(Optional)
CPU
M30843FWGP
DTR_FIN
DSR_FIN
RxD_FIN
TxD_FIN
LCC/LCT
CIScnt
ASIC
TxD_OCA
C
IS
RxD_OCA
CIS
SCK_OCA
C
IS
TxD1
RxD1
SCK1
UPD65
9
46GN-178
PMC
ASIC
2
UPD65
9
46GN-178
PMC
ASIC
1
RxD
TxD
CPU
H8S/2373
Schmit
In
v.
P.
U
.
O.
C
.
(P
.
D
.)
Schmit
In
v.
P.
D
.
O.
C
.
P.
D
.
P.
U
.
TxD_DSPF
RxD_DSPF
Schmit
In
v.
P.
U
.
O.
C
.
(P
.
D
.)
I/O
ASIC
µPD658
9
2GC
A[4:0]
D[15:8]
CPU
H8S/2373
RxD
TxD
Schmit
In
v.
P.
U
.
O.
C
.
(P
.
D
.)
Schmit
In
v.
P.
D
.
O.
C
.
P.
D
.
P.
U
.
I/O
I/O
R
TS_DSPF
CTS_DSPF
DSPFcnt
(f
or
DSPF
model)
SCN-MO
T
HER
MFPC
POR
T
B7
POR
TB8
POR
T
B2
POR
TB3
POR
T
B0
POR
TB1
U
A
R
T
B_RXD10
U
A
R
T
B_RXD8
POR
TC11
(f
or
PR
O
m
odel)
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 10
8. FAX SECTION / FAX セ ク シ ョ ン
A.
Except Japan
(1)
MX-FX11
TEL/L
IU
Conn
ecto
r
FA
X
IM
A
G
E
MEMORY
(Not
mou
n
t)
FLASH
R
O
M
16Mb
it
LIU
E
X
P
WB
FA
X
M
A
IN
P
W
B
MJ1
(LINE)
MJ2
(TEL)
OFF
foc
k
detection
Sr
e
la
y
Si3
0
1
9
Si3056
Sili
con
D
A
A
Si3
056
CH
IP
SE
T
CI
Dete
ction
P
o
lar
it
y
in
vers
ion
Dete
ction
(Not
m
o
unt)
Speaker
F
A
X
ASIC
MB
87
F
4
9
30
MODEM
MMD
5020
PIC
microcomputer
PIC16F6
9
0
CPU
SH
7706
MFP
IF
Connector
With
secure
loc
king
de
vice
BM30B-
SHLDS
JTAG
Con
nector
1
4pin
(Not
mount)
Lo
g
Con
nector
(Not
mount)
Oper
ation
in
1W/7W
energy-sa
v
e
mode
Crystal
R
esonator
24.5
76MHz
Crystal
R
esonator
1
4.7456MHz
Spe
ak
e
r
Co
nn
e
c
to
r
S0
2
B
-
PA
S
K
STATUS
LED_
0
STATUS
LED_
1
(Not
moun
t)
v
oltage
le
v
e
l
Voltage
Re
gulator
NJU7772F
18
Po
wer
Amplifier
LM481
9
Vo
lu
m
e
C
hange
BU
4
0
6
6
NJM3414
vo
lt
a
g
e
le
v
e
l
Filter
+2
4V
D
etec
tio
n
+24V
+12V
CI
Fi
ter
CI
Fi
te
r
Filter
v
oltage
le
v
e
l
RH
S-
+5
V2
ECON
MRON
EX
H
S
-
SON2
SON1
AFE_
CL
K
AFE
_RES-
ASP
C
L
K
ABITCL
K
AR
XD
AT
X
D
BSP
C
L
K
BBITCL
K
BR
XD
BTXD
SPK
(a
na
lo
g)
RGDT-
(CI
d
etection)
HD
MUTE
-
SI3
_
RES-
TEL
ID
CI2-
CI-
HS
1-
HS
2-
CIO
N
15
0VO
N
MSGMUT
E
CID-
+5
V2
+1
2
+2
4
+5
VA
+5
V
A
BZ
EN
_
S
PKO
N
-
EN_
B
ZON-
VO
L
A
VO
L
B
VO
L
C
VO
L
D
SPM
U
T
E-
3.
3V
1.
8V
MD
M3.3
V
RESE
T-
3.
3
V
+5
V
+5
VA
MD
M3
.3
V
+3
.3V
+2
4V
MO
N_
24V
-
+2
4V
+5
V
+3
.3
V
+5
V2
RES_F
A
X
-
FA
X
_
R
X
D(
D
)+
FA
X
_
R
X
D
(D
)-
F
A
X
_
TXD(D)
+
FAX_T
X
D(
D)-
FA
X
_
C
T
S
(D
)-
FA
X
_
R
T
S
(D
)-
FAX_RXD(
CS)+
FA
X_
R
X
D
(CS)-
F
A
X_TXD(
C
S)+
F
A
X
_
TXD(C
S
)-
F
A
X
_
CTS(C
S
)-
F
A
X
_
R
TS(
C
S
)-
FL
V
P
P
Ve
rs
io
n
ID
CNCT_FAX-
3.
3V
1.
9
V
PI
CP
G
M
_
E
N
WU
P_
FA
X-
TEL
ID2
16bit
16bit
16bit
16bit
16bit
16bit
JTAG
UA
R
T
UA
R
T
Do
w
n
lo
a
d
Spred
Spectr
um
CY25811SXCT
PR
O
G
RAM
FLASH
R
O
M
16
M
b
VHIM2
9
LV1
6
B-1Q
WO
RK
MEMORY
SDRAM
64Mb
it
A3
64S40ETP-
G6
RESET
IC
BD4
5285G
Voltage
Re
gula
tor
R11
73S001B
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 11
B.
Japan
(1)
F model internal FAX
TEL/L
IU
Conn
ecto
r
LI
U
J
PN
PWB
FAX
M
AIN
P
WB
MJ1
(LINE)
MJ2
(TEL)
OFF
foc
k
detection
S
relay
Si3
0
1
9
Si3056
Sili
con
D
A
A
Si3
0
56
CH
IP
SET
VOICE
CODEC
Si3000
H
a
ndset
AMP
NJM2135M
MR
relay
CI
Dete
ction
Polarity
inversion
Detection
(Not
mount)
EC
relay
(Not
mount)
p
ara-
ringer
voice
messag
e
Outpu
t
Speaker
FAX
ASIC
MB
87
F
4
9
30
MODEM
MMD
5020
PIC
microcomputer
PIC16F6
9
0
CP
U
SH
7706
MFP
IF
Connector
With
secure
locking
device
BM30B-
SHLDS
JTAG
Con
n
ector
1
4pin
(Not
mount)
㪈㪮㪃㪎㪮⋭䉣䊈䊝䊷䊄ᤨ
േ
Spred
Spectrum
CY25811SXCT
Crystal
R
e
sonator
24.5
76MHz
Voltage
Regulator
R1173S001B
Crystal
Resonator
14.7456MHz
RESET
IC
BD4
5
285G
Handset
Connector
MD-S6350-
90
Speaker
Connector
S02B-
PASK
STATUS
LED_
0
STATUS
LED_1
(N
ot
moun
t)
voltage
level
DC
DC
-1
50V
Messag
e
Outpu
t
Enabl
e
Voltage
Re
gulator
NJU7772F
18
Po
wer
Ampli
fier
LM481
9
Volum
e
C
h
ange
BU40
6
6
NJM3414
CI
Dete
ction
voltage
level
Filter
+2
4V
D
etectio
n
+24V
+12V
CI
Fi
ter
CI
Fi
te
r
Filter
voltage
level
Speaker
Microphone
OFF
fock
detection
RH
S-
+5
V2
ECON
MRON
EX
H
S
-
SON2
SON1
AFE
_
C
L
K
AFE
_
RES-
AS
P
C
L
K
ABITCL
K
AR
XD
ATX
D
B
S
PC
LK
BBITCL
K
BR
XD
BTX
D
S
P
K(
an
al
og
)
RGDT-
CI
ᬌ
HD
MUTE-
SI3
_
RES-
TEL
ID
CI2-
CI-
HS
1-
HS
2-
CIO
N
15
0VO
N
MS
GMUT
E
MS
G(
Ana
log)
CID-
+5
V2
+1
2
+2
4
+5
VA
+5V
A
BZ
EN_
SPK
O
N
-
EN_
B
ZON-
VOL
A
VOL
B
VO
L
C
VO
L
D
SP
MUTE-
3.
3V
1.
8V
MD
M3.
3
V
RESET-
3.
3
V
+5
V
+5
VA
MD
M3
.3
V
+3
.3V
+2
4V
MO
N_
24
V
-
+2
4V
+5
V
+3
.3
V
+5
V2
RES
_
FAX
-
F
A
X_
RX
D
(D
)+
FAX_
RXD(D
)-
FAX
_
TXD(D)
+
FAX
_
T
X
D(
D)-
FAX
_
CTS
(D)-
FAX
_
RTS
(D)-
FAX
_
RXD(
CS)+
F
A
X_
RX
D(C
S
)-
F
A
X_
TXD
(C
S)+
FAX
_
TXD(C
S
)-
FAX
_
CTS(C
S
)-
FAX
_
RTS(C
S
)-
FLV
P
P
Ve
rs
io
n
ID
CNC
T
_F
AX
-
3.
3V
1.
9
V
PICPGM_E
N
WU
P_
FA
X-
TEL
ID2
16bit
16bit
16bit
16bit
16bit
16bit
JTAG
UART
UART
D
o
wn
lo
ad
Lo
g
Con
n
ector
(Not
mount)
WORK
MEMORY
SDRAM
64Mbit
A3V
64S40ETP-
G6
PROGRAM
FLASH
R
OM
16Mb
VHIM2
9
LV16B-
1Q
FA
X
IMAGE
MEMOR
Y
(Not
mou
n
t)
FLASH
R
OM
16Mb
it
Click on the first or last page to see other MX-6240N / MX-7040N (serv.man34) service manuals if exist.