Sharp MX-6240N / MX-7040N (serv.man34) Service Manual ▷ View online
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 12
(2)
MX-FL10
TEL/LIU
C
onnector
F
A
X
IMA
G
E
MEMORY
(No
t
mount)
FLASH
R
O
M
16Mbit
LIU
JPN
P
WB
WO
R
K
MEMORY
SDRA
M
64Mbit
A3
64S4
0ETP-
G6
PRO
G
RAM
FLASH
R
O
M
16Mb
VHI
M2
9
LV
1
6
B-1
Q
FA
X
M
A
IN
P
W
B
MJ1
(L
INE)
Si301
9
Si30
56
Silico
n
D
A
A
Si3056
CHIP
S
ET
MR
relay
CI
D
etec
tio
n
Po
la
ri
ty
in
v
e
rsion
D
etec
tio
n
(Not
moun
t)
Spe
a
ke
r
F
A
X
ASIC
MB87F4
9
30
MOD
E
M
MMD502
0
PIC
mic
ro
c
omp
uter
PIC1
6F6
9
0
MFP
IF
Co
nnector
With
secure
locking
de
vice
BM30B-
SHLDS
1W
,7W
⋭ࠛࡀࡕ࠼ᤨ
േ
Spred
Spectrum
CY25811SXCT
Crystal
Resona
tor
24.576M
H
z
Vo
lt
a
g
e
Regulator
R1173S0
01B
Cr
ystal
Resonator
14.7456MHz
RESET
IC
BD4528
5G
Sp
eake
r
C
o
nne
ctor
S02
B-
PA
SK
STA
T
US
LE
D_
0
STA
T
US
LE
D_
1
(No
t
mount)
v
oltage
le
v
e
l
Vo
lt
a
g
e
Regulator
NJU7
772F
18
Po
w
e
r
Amplifier
LM4
8
1
9
Vo
lume
Cha
nge
B
U
4066
NJ
M
3
41
4
CI
D
etec
tio
n
v
oltage
le
v
e
l
Filter
+24V
Dete
ction
+24V
+12V
CI
F
i
ter
CI
F
i
ter
Fi
lter
vo
lt
a
g
e
le
v
e
l
MR
ON
AFE
_CLK
A
F
E_R
ES
-
AS
PC
LK
AB
ITCLK
AR
XD
AT
X
D
S
P
K(
an
alog
)
RGDT
-(CI
ᬌ
)
TE
L
ID
CI2-
CI-
HS1
-
HS2
-
CID-
+5
V
2
+1
2
+2
4
+5
VA
+5
VA
BZ
EN_SP
K
O
N-
EN_
B
ZO
N-
VO
LA
VO
LB
VO
L
C
VO
L
D
SP
MU
TE-
3.
3
V
1.
8
V
MDM3
.3V
RE
SET-
3.3
V
+5
V
+5
VA
MDM3
.3
V
+3
.3V
+2
4
V
MON_
24
V
-
+2
4V
+5
V
+3
.3V
+5
V2
RE
S_
FA
X-
FAX_RXD(
D)+
FAX
_
R
X
D(
D)-
FAX
_
T
X
D(
D)+
F
A
X
_
TXD(D
)-
F
A
X
_
CTS(D
)-
FA
X
_
R
T
S
(D
)-
FA
X
_
R
X
D
(C
S
)+
FA
X_
RX
D(C
S
)-
F
A
X
_
TXD(C
S
)+
FA
X_TX
D
(CS)-
FA
X_CTS(CS)-
FA
X_RTS(
CS)-
FL
VPP
Ve
rs
io
n
ID
CNCT_
FA
X-
3.
3
V
1.
9
V
PICPG
WUP_FAX-
TELID2
16
b
it
16
bit
16
bit
16
bit
16
b
it
16
bit
JT
AG
UA
R
T
UA
R
T
Do
wn
loa
d
CPU
SH770
6
JT
AG
Connector
14pin
(Not
moun
t)
Log
Connector
(N
ot
moun
t)
M_
EN
MX-7040 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 1
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
1. MFP CONTROL PWB / MFP コ ン ト ロール PWB
A.
CIRCUIT DIAGRAM / 回路図
ARM9_OFF_N
DGND
5V0_
DGND
DGND
5V0_FAX_IN
5V_IN
5V0_FAX_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
5V0_FAX_IN
5V_IN
DGND
DGND
R1_3R3V_ON
DGND
5V0_FAX_IN
DGND
5V0_FAX_IN
DGND
DGND
DGND
5V_I
RS_3R3V_ECO
R1B_GPO_SELFRST
{11}
IC84
BU4235F-TR
IC84
BU4235F-TR
GND
1
VDD
2
CT
3
VOUT
4
CP996
CP996
C367
1000pF(B:50V)
C367
1000pF(B:50V)
C1323
47000pF(B:10V)
C1323
47000pF(B:10V)
C364
1000pF(B:50V)
C364
1000pF(B:50V)
IC55
TC7SZ07FU(TE85L_F)
IC55
TC7SZ07FU(TE85L_F)
NC
1
A
2
GND
3
Y
4
VCC
5
C1324
1uF(1608:B:10V)
C1324
1uF(1608:B:10V)
C1321
X_0.1uF(1608:B)
C1321
X_0.1uF(1608:B)
CP1011
CP1011
R11691KJ
R11691KJ
CP1048
CP1048
C363
0.1uF(B:10V)
C363
0.1uF(B:10V)
R5831KJ
R5831KJ
IC86
BU4235F-TR
IC86
BU4235F-TR
GND
1
VDD
2
CT
3
VOUT
4
D27
D_LTST-C190KGKT
D27
D_LTST-C190KGKT
A
K
C1280
1uF(1608:B:10V)
C1280
1uF(1608:B:10V)
R611
C1322
1000pF(B:50V)
C1322
1000pF(B:50V)
CP997
CP997
IC51
TC7SZ07FU(TE85L_F)
IC51
TC7SZ07FU(TE85L_F)
NC
1
A
2
GND
3
Y
4
VCC
5
CP1009
CP1009
D26
LTST-C190KGKT
D26
LTST-C190KGKT
A
K
D
SG
12
3
Q33
2SK3018
2SK3018
D
SG
12
3
Q33
2SK3018
2SK3018
CP1019
CP1019
R538
D_2.2KJ
CP1018
CP1018
CP1051
CP1051
R580
47KJ
R580
47KJ
CP1050
CP1050
R584
47KJ
R584
47KJ
C375
0.1uF(B:10V)
C375
0.1uF(B:10V)
R1170
47KJ
R1170
47KJ
R117110KJ
R117110KJ
IC83
BD45382G-TR
IC83
BD45382G-TR
ER
1
SUB
2
GND
3
VOUT
4
VDD
5
R537
2.2KJ
C1281
1uF(1608:B:10V)
C1281
1uF(1608:B:10V)
CP1046
CP1046
SW2
D_SKQMBAE010
SW2
D_SKQMBAE010
10K
47K
Q34
DTC014YUB
10K
47K
Q34
DTC014YUB
E
B
C
CP1047
CP1047
C376
1000pF(B:50V)
C376
1000pF(B:50V)
R612
47KJ
R612
47KJ
R1168
47KJ
R1168
47KJ
D
SG
12
3
Q32
2SK3018
2SK3018
D
SG
12
3
Q32
2SK3018
2SK3018
3.5V DETECT
3.5V DETECT
POWER ENABLED
Self reset
3.8V DETECT
X_0J
R578
X_0J
D
C
B
A
MFPC PWB (RESET SEQUENCE)
5
4
3
5
4
3
MX-7040 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 2
ARM9_OFF_N
ARM11_OFF_N
DGND
DGND
5V0_FAX_IN
5V0_FAX_IN
DGND
5V0_FAX_IN
DGND
DGND
DGND
DGND
5V_IN
5V_IN
5V_IN
RS_3R3V_ECO
5V_IN
DGND
ARM9_OFF_N{10,42}
nREUS_SYSRST{19}
R1_CPLD_RST_N{13}
ARM11_OFF_N{4,5,7}
CP1049
CP1049
CP1015
CP1015
R1172
100KJ
R1172
100KJ
R610
4.7KJ
R610
4.7KJ
IC52
BD45371G-TR
IC52
BD45371G-TR
ER
1
SUB
2
GND
3
VOUT
4
VDD
5
IC85
TC7SZ07FU(TE85L_F)
IC85
TC7SZ07FU(TE85L_F)
NC
1
A
2
GND
3
Y
4
VCC
5
R582
47KJ
R582
47KJ
CP1017
CP1017
CP1016
CP1016
CP1014
CP1014
C365
1000pF(B:50V)
C365
1000pF(B:50V)
R579
4.7KJ
R579
4.7KJ
C1320
0.1uF(B:10V)
C1320
0.1uF(B:10V)
CP1020
CP1020
R1160
47KJ
R1160
47KJ
R581
C366
1uF(1608:B:10V)
C366
1uF(1608:B:10V)
D
SG
12
3
Q29
2SK3018
2SK3018
D
12
3
Q29
2SK3018
2SK3018
nREUS_SYSRST
nREUS_PLD_RST
5V
100ms
200ms
60ms
R_PLD_GPO_nREUS_PHY_RST
3.7V DETECT
1KJ
D
C
B
A
1/57 (3)
3
2
1
3
2
1
MX-7040 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 3
REUS_1R27V_PGOOD
SIGNALGND1
SENSE2_UP1
SENSE1_UP1
DGND
VIN_3850_1
R2_1R27V_ECO
R1_1R27V_ECO
DGND
DGND
DGND
DGND
VIN_3850_1
VIN_3850_1
5V_IN
DGND
5V_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
ARM11_OFF_N
{3,5,7}
IC21LTC3850EGN#TRPBF
IC21LTC3850EGN#TRPBF
RUN1
1
SENSE1+
2
SENSE1-
3
TK/SS1
4
I_TH1
5
VFB1
6
SGND
7
VFB2
8
I_TH2
9
TK/SS2
10
SENSE2-
11
SENSE2+
12
RUN2
13
I_LM
14
FREQ/PLLFLTR
28
MODE/PLLIN
27
SW1
26
TG1
25
BOOST1
24
BG1
23
VIN
22
INTVCC
21
BG2
20
PGND
19
BOOST2
18
TG2
17
SW2
16
PGOOD
15
CP258
CP258
C160
1000pF(B:50V)
1000pF(B:50V)
C160
1000pF(B:50V)
1000pF(B:50V)
R150
0J
0J
R150
0J
0J
CP213
CP213
R766
22KD
R766
22KD
CP207
CP207
C134
1000pF(B:50V)
C134
1000pF(B:50V)
CP210
CP210
R765
22KD
22KD
R765
22KD
22KD
C97
1000pF(B:50V)
C97
1000pF(B:50V)
C486
1uF(1608:B:10V)
C486
1uF(1608:B:10V)
C133
0.1uF(B:10V)
C133
0.1uF(B:10V)
CP139
CP139
R770
1J(1608)
R770
1J(1608)
C495
10uF(2012:F:10V)
C495
10uF(2012:F:10V)
CP260
CP260
CP203
CP203
R146
10J
IC25
TK40P03M1
TK40P03M1
IC25
TK40P03M1
TK40P03M1
G
1
D
2
S
3
R165
10J
CP262
CP262
CP259
CP259
CP264
CP264
CP205
CP205
CP204
CP204
D37
RB461F
D37
RB461F
IC24
TK40P03M1
TK40P03M1
IC24
TK40P03M1
TK40P03M1
G
1
D
2
S
3
CP263
CP263
R763
10KJ
10KJ
R763
10KJ
10KJ
R1932.2J
R1932.2J
R149
13KD
13KD
R149
13KD
13KD
R705
47KJ
R705
47KJ
CP256
CP256
R764
2.2KJ
R764
2.2KJ
R166
0J
R166
0J
R796
2.2J
C99
220pF(CH:50V)
C99
220pF(CH:50V)
R1232.2J
R1232.2J
C541
X_8pF(CH:50V)
X_8pF(CH:50V)
C541
X_8pF(CH:50V)
X_8pF(CH:50V)
R794
X_0J
CP212
CP212
CP254
CP254
RJ5
X_P
ADSHOR
T
RJ5
X_P
ADSHOR
T
C73
1000pF(B:50V)
1000pF(B:50V)
C73
1000pF(B:50V)
1000pF(B:50V)
R762
10KJ
R762
10KJ
C490
X_8pF(CH:50V)
C490
X_8pF(CH:50V)
CP200
CP200
D
X
X
D
X
X
C491
1000pF(B:50V)
C491
C491
1000pF(B:50V)
C493
0.1uF(B:10V)
0.1uF(B:10V)
C493
0.1uF(B:10V)
0.1uF(B:10V)
C488220pF(CH:50V)
C488220pF(CH:50V)
CP137
CP137
CP211
CP211
R767
2.2J
CP208
CP208
CP206
CP206
CP138
CP138
D36
RB461F
D36
RB461F
R148
13KD
13KD
R148
13KD
13KD
C494
2.2UF(2012:B:10V)
2.2UF(2012:B:10V)
C494
2.2UF(2012:B:10V)
2.2UF(2012:B:10V)
IC19
TK40P03M1
TK40P03M1
IC19
TK40P03M1
TK40P03M1
G
1
D
2
S
3
CP261
CP261
+
+
R797
47KJ
R797
47KJ
CP305
CP305
R147
10J
C98
220pF(CH:50V)
C98
220pF(CH:50V)
CP209
CP209
CP255
CP255
C492
1000pF(B:50V)
1000pF(B:50V)
C492
1000pF(B:50V)
1000pF(B:50V)
CP198
CP198
IC20
TK40P03M1
TK40P03M1
IC20
TK40P03M1
TK40P03M1
G
1
D
2
S
3
R769
1KJ
R769
1KJ
CP199
CP199
R703
10KJ
R703
10KJ
C96
0.1uF(B:10V)
C96
0.1uF(B:10V)
C540
1000pF(B:50V)
1000pF(B:50V)
C540
1000pF(B:50V)
1000pF(B:50V)
C487
1000pF(B:50V)
C487
C487
1000pF(B:50V)
R164
10J
CP202
CP202
R795
47KJ
47KJ
R795
47KJ
47KJ
R793
0J
CP306
CP306
CP253
CP253
RJ4
X_P
ADSHOR
T
RJ4
X_P
ADSHOR
T
R768X_1KJ
R768X_1KJ
C489
220pF(CH:50V)
220pF(CH:50V)
C489
220pF(CH:50V)
220pF(CH:50V)
C496
10uF(2012:F:10V)
C496
10uF(2012:F:10V)
D
X
X
D
X
X
C542
10uF(2012:F:10V)
C542
10uF(2012:F:10V)
Discharging circuit
REUS1/2 ARM11 POWER
D
C
B
A
MFPC PWB (REUS1/2 ARM11 DC POWER)
5
4
3
5
4
3
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