Sharp MX-2300N / MX-2700N / MX-2300G / MX-2700G / MX-2300FG / MX-2700FG (serv.man10) Service Manual ▷ View online
MX-2300/2700 N/G/FG BLOCK DIAGRAM / ブロック図 1 – 7
B. Japan
TE/LIU
Υ·Η
FAX
IMAGE
MEMORY
ྚ
FLASH
R
OM
16Mbit
LIU
JPN
PWB
WORK
MEMORY
SDRAM
64Mbit
ȿ
2
PROGRAM
FLASH
R
OM
8Mb
ȿ
2
FAX
MAIN
PWB
FLASH
R
OM
PWB
MJ1
(LINE)
MJ2
(TEL)
BT
ςτȜ
ٸ୪έΛ·
ٝႹ
S
ςτȜ
Si3015
Si3021
Ώςϋ
DAA
Si3044
CHIP
SET
AFE_CLK
AFE_RES-
AFE_ASPCLK
AFE_ABITCLK
AFE_ARXD
AFE_ATXD
VOICE
CODEC
Si3000
ΧϋΡΓΛΠ
AMP
ΑάȜ
ζͼ·
MSG(
Ʋdžǜƹǟ
)
OFF
έΛ·
MR
ςτȜ
CI
ٝႹ
EC
ςτȜ
AFE_BSPCLK
AFE_BBITCLK
AFE_BRXD
AFE_BTXD
SPK(
ͺυΈ
)
RHS-
CI-
HS1-
HS2-
CION
150VON
48VON
HDMUTE-
ΑάȜȜ
ΑάȜȜ
ٝႹ
වႁ୨ఢ
إၾ୨ఢ
BZ
EN_SPKON-
EN_BZON-
VOLA
VOLB
VOLC
SPMUTE-
NEW
A
SIC
MODEM
(MN195006E)
ECON
EXHKD-
MRON
SON1
SON2
PIC
ζͼϋ
(PIC16F627A)
CID-
RGDT-
ĩCI
Ī
CPU
SH7706
UART
Θ;ϋυȜΡ
MFP
IF
Υ·Η
FAX_TXD(D)+
FAX_TXD(D)-
FAX_RXD(D)+
FAX_RXD(D)-
FAX_CTS(D)-
FAX_RTS(D)-
RE
S_MFP-
FFVPP
MSW_MON-
WUP_FAX-
PLED
RES_FAX-
CNCT_FAX-
+12V
+3.3V
+5V2
16bit
32bit
32bit
16bit
16bit
32bit
+5V2
+5V2
E2PROM
(CAT24W02)
I2C
JTAG
DŽǟNjǟưƹƻljƹǁ
JTAG
UART
DŽǟNjǟưƹǟ
ǔLJǁƻljƹǁ
1W,7W
જΥκȜΡশ
൲ै
FAX_TXD(CS)+
FAX_TXD(CS)-
FAX_RXD(CS)+
FAX_RXD(CS)-
FAX_CTS(CS)-
FAX_RTS(CS)-
VOLD
Spred
Spectrum
X’TAL
24.576MHz
Voltage
Regulator
1.9V
X’TAL
14.7456MHz
RESET
IC
(PST591IMT)
RESET-
+3.3V
EYE
ΩΗȜϋ
Υ·Η
2bit
NjǞDžǟƿưDž
Υ·Η
ΑάȜ
Υ·Η
POWER
L
ED
STATUS
L
ED
TELID
ഩգτασ
DCDC
-150V
DCDC
48V
ޭ
ٝႹ
݀যςϋ΄
إǓưƿƱƽǟ ႁٝႹ
MX-2300/2700 N/G/FG CIRCUIT DIAGRAM / 回路図 2 – 1
仮置き
Circuit Diagram
[2] CIRCUIT DIAGRAM / 回路図
1. MFP CONTROLLER PWB / MFP コントローラ PWB
CP30
Q3
DTC114YUA
E
B
C
10K
47K
CP36
D41
X_1SS355
A
K
CP280
TP12
HK-4
R9
21.0KF
D45
X_1SS355
A
K
R12
267KF
CP25
D2
LT1F67AF
LT1F67AF
A
K
CP29
MOD5
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C.
CP279
R19
470J
470J
C2
10uF(2012)
R5
1.50KF
TP14
HK-4
D42
X_1SS355
A
K
CP34
Q2
DTC114YUA
E
B
C
10K
47K
CP43
D44
X_1SS355
A
K
D36
RB461F
K
N
A
CP14
D1
LT1F67AF
LT1F67AF
A
K
TP11
HK-4
CP15
CP48
R1
3.16KF
TP5
HK-4
R18
470J
470J
C9
10uF(2012)
CP18
CP22
CP47
R2
1.50KF
MOD1
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C.
TP8
HK-4
CP16
R13
267KF
TP6
HK-4
D32
RB461F
K
N
A
D3
LT1F67AF
LT1F67AF
A
K
D47
X_1SS355
A
K
C10
10uF(2012)
CP46
TP15
HK-4
D33
RB461F
K
N
A
CP40
CP281
D48
X_1SS355
A
K
D46
X_1SS355
A
K
C1
10uF(2012)
TP9
HK-4
CP42
R14
21.0KF
D43
X_1SS355
A
K
R17
470J
470J
MOD6
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C
R4
3.16KF
CP31
R104
21.0KF
Q1
DTC114YUA
DTC114YUA
E
B
C
10K
47K
D37
RB461F
K
N
A
CN27
BM06B-SRSS-TB
1
1
2
2
3
3
4
4
5
5
6
6
TP4
HK-4
TP13
HK-4
CP26
TP10
HK-4
CP13
MOD2
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C
TP7
HK-4
DC_ON_OFF_CTL_CORE
DC_ON_OFF_CTL_CORE
DC_ON_OFF_CTL_CORE
DC_ON_OFF_CTL_IO
CPU_CORE1.3V
+1.8V
ISC_CORE1.2V
+5V_IN
+3.3V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5V_IN
+5V_IN
+5V_IN
DGND
DGND
DGND
DGND
+3.3V
+3.3V
+3.3V
DGND
DGND
+5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
CPU_CORE1.3V
ISC_CORE1.2V
SYSTEM2.5V
+2.5VEAST
+3.3V
+1.8V
+1.2VICU
+1.2VIMG
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
GPO_LED1_ON
{43}
GPO_LED2_ON
{43}
GPO_LED3_ON
{43}
5
5
4
4
3
3
D
C
B
A
MFPC PWB (DC power)
MX-2300/2700 N/G/FG CIRCUIT DIAGRAM / 回路図 2 – 2
CP45
BP29
R11
1.50KF
L1
X_BLM21PG600SN1(2012)
1
2
MOD7
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C.
CP49
MOD3
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C.
BP27
CP32
CP24
R10
1.50KF
BP30
BP25
IC2
BU4238F
GND
1
VDD
2
CT
3
VOUT
4
C22
X_1000pF
X_1000pF
BP28
D39
RB461F
K
N
A
D38
RB461F
K
N
A
R6
68.1KF
CP50
C803
1000pF
1000pF
CP20
CP39
C4
10uF(2012)
R105
68.1KF
CP33
CP44
C18
0.01uF
0.01uF
CP27
C21
0.01uF
0.01uF
BP31
AS1
QPWBX1673FCZZ
C802
1000pF
1000pF
CP28
BP47
R7
68.1KF
D34
RB461F
K
N
A
CP38
CP41
C11
10uF(2012)
BP26
R700
47KJ
47KJ
R112
68.1KF
CP51
CP37
R20
4.7KJ
4.7KJ
R21
4.7KJ
4.7KJ
R16
1.50KF
CP17
CP35
C17
0.01uF
0.01uF
eft N.C.
C19
0.01uF
0.01uF
IC1
BU4241F
GND
1
VDD
2
CT
3
VOUT
4
R3
68.1KF
C24
0.1uF(B)
0.1uF(B)
D35
RB461F
K
N
A
C12
10uF(2012)
C20
0.1uF(B)
0.1uF(B)
R8
68.1KF
C23
X_1000pF
X_1000pF
MOD4
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C.
CP19
CP21
R15
1.50KF
C3
10uF(2012)
MOD8
MPD-0634B
VIN_5V
1
ONxOFF
2
N.C.
4
N.C.
5
GND
6
GND
7
ADJ
8
VOUT
9
VOUT
10
3PIN : NONE
4,5PIN Must be left N.C.
eft N.C.
CP23
DC_ON_OFF_CTL_CORE
DC_ON_OFF_CTL_CORE
DC_ON_OFF_CTL_IO
DC_ON_OFF_CTL_IO
DC_ON_OFF_CTL_CORE
DC_ON_OFF_CTL_IO
+1.2VICU
+1.2VIMG
SYSTEM2.5V
+2.5VEAST
+5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
+5V_IN
DGND
DGND
DGND
DGND
+5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
3
2
1
D
C
B
A
1/42
MX-2300/2700 N/G/FG CIRCUIT DIAGRAM / 回路図 2 – 3
CP69
CP57
L3
BLM15A
G121SN1(1005)
1
2
R53
X_470J
X_470J
C34
X_15pF(CH)
X_15pF(CH)
R61
0J
0J
CP78
CP76
R28
33J
C25
0.1uF(B)
0.1uF(B)
C39
X_0.1uF(B)
X_0.1uF(B)
CP
R22
220J
R25
0J
R36
X_0J
CP
R93
47KJ
47KJ
R26
33J
X3
X_16.6666MHz(SMT)
IC8
X_MK5814SLFTR
Xin
1
VSS
2
S1
3
S0
4
SSCLK
5
FRSEL
6
VDD
7
Xout
8
CP
IC6
X_ASM3P2474AF-06OR
Xin/CLKIN
3
VSS
6
x1/x2
1
MODOUT
5
VDD
4
Xout
2
CP88
R54
1MJ
R38
33J
CP6
R56
X_47J
CP53
C30
X_15pF(CH)
X_15pF(CH)
C27
10pF(CH)
10pF(CH)
R58
X_0J
X_0J
R40
33J
CP
R42
X_220J
R37
33J
R27
X_0J
CP5
C36
X_10pF(CH)
X_10pF(CH)
C384
150pF
150pF
CP3
IC3
ASM3P2780AF-06OR
Xin/CLKIN
3
VSS
6
PD
1
MODOUT
5
VDD
4
Xout
2
CP2
R122
1KJ
1KJ
CP81
R23
1MJ
1MJ
R24
33J
33J
CP54
R47
X_33J
X_33J
CP111
R44
X_1MJ
X_1MJ
X2
X_25.000MHz(SMT)
X_25.000MHz(SMT)
R32
X_0J
R63
0J
0J
CP
C37
X_10pF(CH)
CP55
CP56
C26
10pF(CH)
10pF(CH)
R59
X_0J
X_0J
CP7
CP
C31
X_0.1uF(B)
X_0.1uF(B)
R34
X_0J
CP4
CP1
CP77
Not Assemble
L2
BLM15A
G121SN1(1005)
1
2
R29
X_0J
CP115
CP52
X1
32.875MHz(SMT)
32.875MHz(SMT)
R64
X_0J
X_0J
CP
R57
X_0J
CLK66BASE
CLK25SOSBASE
GPO_nICUIMGCLKENB
CLK33BASE
CLK66M
ICUSYSCLK33_2BASE
CLK66BASE
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.
+3.3V
+3.3V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+3.3V
DGND
DGND
DGND
DGND
IMGICUCLK_BASE
{5}
GPO_nICUIMGCLKENB
{43}
or
ASM3P2812AF-08SR
ASM3P2812AF-08SR
5
5
4
4
3
3
D
C
B
A
MFPC PWB (Global clock 1)
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