DOWNLOAD Sharp MX-B381 / MX-B401 (serv.man9) Service Manual ↓ Size: 7.53 MB | Pages: 127 in PDF or view online for FREE

Model
MX-B381 MX-B401 (serv.man9)
Pages
127
Size
7.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / CIRCUIT DIAGRAM
File
mx-b381-mx-b401-sm9.pdf
Date
PREV: Sharp MX-B381 / MX-B401 (serv.man8) Service Manual

Sharp MX-B381 / MX-B401 (serv.man9) Service Manual ▷ View online

MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 106
(2)
SOLDER SURFACE
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 107
3. LSU-MOTHER PWB
A. CIRCUIT DIAGRAM
POF_PIC
RA2
RA5
LOCK_CPUFAN
LOCK_HDDFAN
RSTCT
nMCLR
REQ_PIC
+12Vpp
RA0
RA1
FWS
FWS
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5VO
DGND
nPOF_MFPC
(2,3)
5VN_PCU_ON
(3)
CNCT_HDDFAN
(4)
CNCT_RSVFAN
(4)
nPOF_SCN
(2,3)
nWU_KEY
(2)
nCNCT_FAN
(2)
nRES_PIC
(2)
PICVPPON
(2)
nREQ_PIC
(2)
nREQ_PIC_INT
(2)
RY_CNT
(3)
OFF_CNT
(3)
Q15
10K
10K
DTC114EUBTL
Q15
10K
10K
DTC114EUBTL
Q19
4.7K
47K
DTC143ZUBTL
Q19
4.7K
47K
DTC143ZUBTL
R57
100J
R57
100J
CP29
CP29
CP59
CP59
TP8
TP8
R35
1MJ
R35
1MJ
CP35
CP35
CP119
CP119
R59
10KJ
R59
10KJ
CP58
CP58
Q31
10K
10K
DTC114EUBTL
Q31
10K
10K
DTC114EUBTL
R56
X_0J
R56
X_0J
CP19
CP19
CP104
CP104
R538
X_0J(B)
R538
X_0J(B)
R45
X_10KJ
R45
X_10KJ
CP83
CP83
IC3C
TC74VHCT14AFT
IC3C
TC74VHCT14AFT
5
6
R30
10KJ
R30
10KJ
Q13
10K
10K
DTC114EUBTL
Q13
10K
10K
DTC114EUBTL
C16
1000pF
C16
1000pF
+
C26
22uF/16V(MVL:E60)
+
C26
22uF/16V(MVL:E60)
C9
12pF
C9
12pF
TP7
TP7
CN1
X_BM08B-SRSS-
CN1
X_BM08B-SRSS-
VP
VD
VS
PG
PG
N
N
N
R32
1KJ 1/4W
R32
1KJ 1/4W
C527
1000pF(B)
C527
1000pF(B)
(G)
(D)
(S)
Q8
2SK3018
(G)
(D)
(S)
Q8
2SK3018
C13
0.1uF
C13
0.1uF
X3
X_AT-51CD2/(9.8304MHz)
X3
X_AT-51CD2/(9.8304MHz)
TP6
TP6
R18
1KJ
R18
1KJ
R24
4.7KJ
R24
4.7KJ
CP27
CP27
CP55
CP55
R537
1KJ(B)
R537
1KJ(B)
R535
1KJ(B)
R535
1KJ(B)
CP39
CP39
CP23
CP23
Q30
4.7K
47K
DTC143ZUBTL
Q30
4.7K
47K
DTC143ZUBTL
DA204U
D10
DA204U
D10
A
K
C
R539
0J(B)
R539
0J(B)
C5
1000pF
C5
1000pF
R532
0J(B)
R532
0J(B)
CP61
CP61
DA204U
D3
DA204U
D3
A
K
C
R31
1KJ
R31
1KJ
C533
1000pF(B)
C533
1000pF(B)
CP21
CP21
X4
AT-51/(9.8304MHz)
X4
AT-51/(9.8304MHz)
I
CP82
CP82
C35
1000pF
C35
1000pF
IC4
PIC16F882
IC4
PIC16F882
RA2/AN2/VREF-/CVREF/C2
4
RA3/AN3/VREF+/C1IN+
5
RC3/SCK/SCL
14
MCLR/RE3/VPP
1
RA0/AN0/ULPWU/C12IN0-
2
RA1/AN1/C12IN1-
3
RA4/T0CKI/C1OUT
6
RA5/AN4/SS/C2OUT
7
VSS
8
OSC1/CLKIN/RA7
9
OSC2/CLKOUT/RA6
10
RC0/T1OSO/T1CK1
11
RC1/T1OSI/CCP2
12
RC2/P1A/CCP1
13
R
R
C33
22000pF
C33
22000pF
Q33
10K
10K
DTC114EUBTL
Q33
10K
10K
DTC114EUBTL
CP36
CP36
CP116
CP116
R62
1KJ
R62
1KJ
IC7
BU4242F
IC7
BU4242F
Vout
4
VDD
2
CT
3
GND
1
R58
10KJ
R58
10KJ
CP38
CP38
CP57
CP57
C34
0.1uF
C34
0.1uF
C10
12pF
C10
12pF
CP60
CP60
R63
1KJ
R63
1KJ
Q23
4.7K
47K
DTC143ZUBTL
Q23
4.7K
47K
DTC143ZUBTL
R29
47KJ
R29
47KJ
CP33
CP33
R19
1KJ
R19
1KJ
R36
0J
R36
0J
R46
1KJ
R46
1KJ
CP117
CP117
5
4
3
5
4
3
D
C
B
A
LSU-MOTHER PWB (Power-Saving Control (PIC))
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 108
PGD
PGC
WU
HIGH_HDDFAN
LOW_HDDFAN
CLR_PIC
PWR_SW
nWU_F
PGD
nPWR_SW_R
nPOF_PCU_R
WU_DD
POF_PCU
+5VO
+5VO
+12V
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
+5VO
GND
GND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5VO
DGND
DGND
+3.3VN
+3.3VN
+5VO
+5VO
nPWR_SW
(2)
nPOW_LED
(2)
nWU_LED
(2)
PGC
(3)
nPOF_PCU
(3,6)
nWU_FAX2
(2)
nWU_FAX
(4)
nCLR_PIC
(2)
TXD_PIC
(2)
RXD_PIC
(2)
nLOW_HDDFAN
(3)
nHIGH_HDDFAN
(3)
R529
1KJ(B)
R529
1KJ(B)
C532
1000pF(B)
C532
1000pF(B)
CP134
CP134
IC3B
TC74VHCT14AFT
IC3B
TC74VHCT14AFT
3
4
CP18
CP18
CP28
CP28
IC3A
TC74VHCT14AFT
IC3A
TC74VHCT14AFT
1
2
R13
1KJ
R13
1KJ
CP22
CP22
CP54
CP54
R522
100J(B)
R522
100J(B)
Q6
10K
10K
X_DTC114EUBTL
Q6
10K
10K
X_DTC114EUBTL
R12
47KJ
R12
47KJ
Q22
10K
10K
X_DTC114EUBTL
Q22
10K
10K
X_DTC114EUBTL
R17
X_1KJ
R17
X_1KJ
CP81
CP81
R22
X_10KJ
R22
X_10KJ
Q29
10K
10K
X_DTC114EUBTL
Q29
10K
10K
X_DTC114EUBTL
CP79
CP79
26
26
R536
1KJ(B)
R536
1KJ(B)
CN16
RSS-TB
CN16
RSS-TB
VPP
8
VDD
7
VSS
6
PGD
5
PGC
4
NC
3
NC
2
NC
1
C4
1000pF
C4
1000pF
R527
X_0J(B)
R527
X_0J(B)
R534
X_1KJ(B)
R534
X_1KJ(B)
R33
1KJ
R33
1KJ
DA204U
D19
DA204U
D19
A
K
C
R523
4.7KJ(B)
R523
4.7KJ(B)
IC3D
TC74VHCT14AFT
IC3D
TC74VHCT14AFT
9
8
C15
1000pF
C15
1000pF
13
1uF
13
1uF
CP26
CP26
CP133
CP133
CP89
CP89
Q27
4.7K
47K
DTC143ZUBTL
Q27
4.7K
47K
DTC143ZUBTL
CP103
CP103
R34
1KJ
R34
1KJ
CP16
CP16
CP80
CP80
C14
1000pF
C14
1000pF
R530
X_1KJ(B)
R530
X_1KJ(B)
CP25
CP25
R48
X_0J
R48
X_0J
Q9
4.7K
47K
DTA143ZUA
Q9
4.7K
47K
DTA143ZUA
O
I
G
R525
1KJ(B)
R525
1KJ(B)
Q28
4.7K
47K
DTC143ZUBTL
Q28
4.7K
47K
DTC143ZUBTL
CP489
CP489
R14
100KJ
R14
100KJ
EF/C2IN1+
N+
RC4/SDI/SDA
15
RC5/SDO
16
RC6/TX/CK
17
RC7/RX/DT
18
IN0-
VSS
19
VDD
20
RB0/AN12/INT
21
RB1/AN10/P1C/C12IN3-
22
RB2/AN8/P1B
23
RB3/AN9/PGM/C12IN2-
24
RB4/AN11/P1D
25
RB5/AN13/T1G
26
RB6/ICSPCLK
27
RB7/ICSPDAT
28
DA204U
D6
DA204U
D6
A
K
C
R16
1KJ
R16
1KJ
C24
1000pF
C24
1000pF
CP32
CP32
DA204U
D20
DA204U
D20
A
K
C
CP17
CP17
DA204U
D9
DA204U
D9
A
K
C
Q7
2SC4081
Q7
2SC4081
CP118
CP118
CP90
CP90
D21
DAP202U
D21
DAP202U
A
K1
K2
C513
1000pF(B)
C513
1000pF(B)
C25
0.1uF
C25
0.1uF
CP91
CP91
R28
1KJ
R28
1KJ
D8
DAP202U
D8
DAP202U
A
K1
K2
R27
10KJ
R27
10KJ
C3
1000pF
C3
1000pF
CP56
CP56
DA204U
D7
DA204U
D7
A
K
C
Q26
4.7K
47K
DTC143ZUBTL
Q26
4.7K
47K
DTC143ZUBTL
R531
X_10KJ(B)
R531
X_10KJ(B)
R15
10KJ
R15
10KJ
CP78
CP78
R23
0J
R23
0J
CP87
CP87
R524
1KJ(B)
R524
1KJ(B)
Q18
4.7K
47K
DTC143ZUBTL
Q18
4.7K
47K
DTC143ZUBTL
CP88
CP88
CP20
CP20
CP30
CP30
3
2
1
3
2
1
D
C
B
A
1/12
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 109
nRTS_SCN
nRES_SCN
VSYNC_C_P
VSYNC_C_N
VSYNC_M_N
VSYNC_M_P
VSYNC_Y_P
VSYNC_Y_N
HSYNC_LSU_N
ECLK_LSU_P
RXD_SCN
nCTS_SCN
TXD_SCN
ECLK_LSU_N
HSYNC_LSU_P
LCD_DATA0-
LCD_DATA0+
LCD_DATA1-
LCD_DATA1+
LCD_DATA2-
LCD_DATA2+
LCD_CLK-
SCANDATA3+
SCANDATA3-
SCANCLKOUT+
SCANCLKOUT-
SCANDATA2+
SCANDATA2-
SCANDATA1+
SCANDATA1-
SCANDATA0+
SCANDATA0-
LCD_CLK+
CH3_P
CLK_N
CLK_P
CH2_P
CH2_N
CH1_N
CH1_P
CH0_P
CH0_N
CH3_N
CH4_P
CH4_N
VSYNC_K_N
VSYNC_K_P
RXD_SCN
nCTS_SCN
TXD_SCN
nRTS_SCN
nRES_SCN
nRES_PCU
RXD_PCU
nCTS_PCU
nRTS_PCU
LCD_DATA3-
LCD_DATA3+
nINFO_LED
LCD_R
n
LCDSEL0
LCDSEL1
LCDSEL2
LCDSEL3
TXD_PCU
USB_SEL_SW
PNL_USB_DN
PNL_USB_DP
USB_VBUS
MT_USB_RTN_P
MT_USB_RTN_N
TXD_LCDsub
RXD_LCDsub
RTS_LCDsub
CTS_LCDsub
nLCD_DISP
MT_USB_RTN_N
MT_USB_RTN_P
USB_SEL_SW
FPNL_USB_DP
FPNL_USB_DN
USB_VBUS
FPNL_USB_DN
USB_VBUS
FPNL_USB_DP
PNL_USB_DP
PNL_USB_DN
MT_USB_RTN_P
MT_USB_RTN_N
+3.3VN
+5VO
+5VL
DG
DGND
3R3V_ECO
+24V1
3R3V_ECO
DGND
+5VO
DGND
DGND
+5VL
DGND
DGND
nPOF_MFPC
(1,3)
nPOF_SCN
(1,3)
nPOW_LED
(1)
nWU_LED
(1)
nPWR_SW
(1)
nWU_KEY
(1)
PICVPPON
(1)
nREQ_PIC
(1)
TXD_FAX_CS
(4)
RXD_FAX_D
(4)
RXD_FAX_CS
(4)
nRTS_FAX_D
(4)
nRTS_FAX_CS
(4)
nCTS_FAX_D
(4)
nRES_FAX
(4)
nCTS_FAX_CS
(4)
nCNCT_FAX
(4)
TXD_FAX_D
(4)
nCLR_PIC
(1)
TXD_PIC
(1)
RXD_PIC
(1)
PWM
(3)
nCNCT_FAN
(1)
nRES_PIC
(1)
PWM2
(3)
nREQ_PIC_INT
(1)
nWU_FAX2
(1)
nRES_PCU
(6)
nRTS_PCU
(6)
TXD_PCU
(6)
RXD_PCU
(6)
nCTS_PCU
(6)
nINFO_LED
(6)
MFPC PWB
SCN-cnt PWB
USB HUB PWB (return)
FRONT PANEL
IC1
TS3USB221RSE
IC1
TS3USB221RSE
1D+
1
1D-
2
2D+
3
2D-
4
GND
5
OE
6
D-
7
D+
8
S
9
VCC
10
CP6
CP6
C6
0.1uF
C6
0.1uF
CN5
TX25-120P-LT-H1E
CN5
TX25-120P-LT-H1E
NLCD_DISP
11
LCD_REFCLKIN
12
SCANDATA3+
13
SCANDATA3-
14
SCAN_CLKOUT+
15
SCAN_CLKOUT-
16
SCANDATA2+
17
SCANDATA2-
18
SCANDATA1+
19
SCANDATA1-
20
SCANDATA0+
21
SCANDATA0-
22
CH0_N
23
CH0_P
24
CH1_N
25
CH1_P
26
CH2_N
27
CH2_P
28
CLK_N
29
CLK_P
30
CH3_N
31
CH3_P
32
CH4_N
33
CH4_P
34
ECLK_LSU_N
35
ECLK_LSU_P
36
HSYNC_LSU_P
37
HSYNC_LSU_N
38
VSYNC_K_N
39
VSYNC_K_P
40
VSYNC_C_P
41
VSYNC_C_N
42
VSYNC_M_N
43
VSYNC_M_P
44
VSYNC_Y_P
45
VSYNC_Y_N
46
LCDSEL0
47
LCDSEL1
48
+5VL
49
+5VL
50
+5VL
51
+5VL
52
+5VL
53
+5VL
54
+5VL
55
+5VL
56
+5VL
57
+5VL
58
TXD_LCDsub
59
RXD_LCDsub
60
NRES_SCN
71
NRES_PCU
72
RXD_PCU
73
NCTS_PCU
74
TXD_PCU
75
NRTS_PCU
76
NPOF_MFPC
77
NREQ_PIC
78
NCLR_PIC
79
TXD_PIC
80
RXD_PIC
81
PWM
82
FAN_CNCT
83
NRST_PIC
84
RES_MFP
85
PWM2
86
NREQ_PIC_INT
87
FAX1D_TXD
88
FAX1D_RXD
89
FAX_1D_RTS
90
FAX_1D_CTS
91
FAX1CS_TXD
92
FAX1CS_RXD
93
FAX1CS_RTS
94
FAX1CS_CTS
95
RES_FAX1
96
NCNCT_FAX1
97
NWU_FAX2
98
3.3V_MFPRTN
99
RTS_LCDsub
100
24V_FAX
120
NC
119
DGND
118
DGND
117
DGND
116
DGND
115
DGND
114
DGND
113
DGND
112
DGND
111
DGND
110
DGND
109
LCDSEL3
108
LCDSEL2
107
USB_SEL_SW
106
5VO_FAX
105
CTS_LCDsub
104
3.3V_FAX
103
3.3V_FAX
102
3.3V_FAX
101
LCD_DATA0-
1
LCD_DATA1-
3
LCD_DATA1+
4
LCD_DATA2-
5
LCD_DATA2+
6
LCD_CLK-
7
LCD_CLK+
8
TXD_SCN
69
NRTS_SCN
70
USB_DN
61
USB_DP
62
USB_VBUS
63
USB_RTN_P
64
USB_RTN_N
65
PICVPPON
66
RXD_SCN
67
NCTS_SCN
68
LCD_DATA3-
9
LCD_DATA3+
10
LCD_DATA0+
2
CP5
CP5
+
+
F1
SMD075F/60
F1
SMD075F/60
CN7
BM10B-GHS-TBT(LF)(SN)
CN7
BM10B-GHS-TBT(LF)(SN)
VBUS
10
D-
9
D+
8
GND
7
GND
6
GND
5
GND
4
GND
3
GND
2
GND
1
CN6
X_B11B-PASK-1
CN6
X_B11B-PASK-1
GND
5
D-
4
D+
3
GND
2
VBUS
1
RE_D+
6
RE_D-
7
GND
8
GND
9
5V
10
5V
11
CN9
B16B-CZHK-B-1(LF)(SN)(V)
CN9
B16B-CZHK-B-1(LF)(SN)(V)
D-GND
1
RXD_SCN
2
nCTS_SCN
3
TXD_SCN
4
nRTS_SCN
5
nRES_SCN
6
nRES_MFPC_SCN
7
nPOF_SCN
8
nLCD_DISP
9
nPWR_SW
10
nWU_KEY
11
nPOW_LED
12
nWU_LED
13
nINFO_LED
14
5VO
15
D-GND
16
5
4
3
5
4
3
D
C
B
A
LSU-MOTHER PWB (MFP/SCN Communication)
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