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 – 110
VSYNC_C_P
VSYNC_C_N
VSYNC_M_N
VSYNC_M_P
VSYNC_Y_P
VSYNC_Y_N
HSYNC_LSU_N
ECLK_LSU_P
SCANDATA0-
ECLK_LSU_N
HSYNC_LSU_P
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
CD_REFCLKIN
nLCD_DISP
0
SCANDATA3+
SCANDATA3-
SCANCLKOUT+
SCANCLKOUT-
SCANDATA2+
SCANDATA2-
SCANDATA1+
SCANDATA1-
SCANDATA0+
LCDSEL2
LCDSEL3
LCDSEL0
LCDSEL1
LCD_REFCLKIN
TXD_LCDsub
RXD_LCDsub
RXD_LCDsub
TXD_LCDsub
RTS_LCDsub
CTS_LCDsub
RXD_LCDsub
TXD_LCDsub
CTS_LCDsub
RTS_LCDsub
TXD_LCDsub
RTS_LCDsub
CTS_LCDsub
RXD_LCDsub
LCD_DATA3+
LCD_DATA3-
LCD_CLK+
LCD_CLK-
LCD_DATA2+
LCD_DATA2-
LCD_DATA1+
LCD_DATA1-
LCD_DATA0+
LCD_DATA0-
DGND
VL
DGND
DGND
DGND
DGND
3R3V_ECO
DGND
3R3V_ECO
+5VL
DGND
3R3V_ECO
DGND
+5VL
+5VL
DGND
DGND
CH0_N
(8)
CH0_P
(8)
CH1_N
(8)
CH1_P
(8)
CH2_N
(8)
CH2_P
(8)
CLK_N
(8)
CLK_P
(8)
CH3_N
(8)
CH3_P
(8)
CH4_N
(8)
CH4_P
(8)
VSYNC_C_P
(6)
VSYNC_K_P
(6)
VSYNC_K_N
(6)
VSYNC_Y_N
(6)
VSYNC_Y_P
(6)
VSYNC_M_P
(6)
VSYNC_M_N
(6)
VSYNC_C_N
(6)
HSYNC_LSU_P
(8)
HSYNC_LSU_N
(8)
ECLK_LSU_N
(8)
ECLK_LSU_P (8)
Not Mount
LCDsub (Reserve)
CN8(MFPC) ->
-> CN9(LCDsub)
-> CN17(Debug)
Debug (Reserve)
SCN-cnt PWB
TP2
TP2
C500
X_1000pF(B)
C500
X_1000pF(B)
CP1
CP1
TP5
TP5
CN3
X_B4B-PH-SM4-TB(LF)(SN)
CN3
X_B4B-PH-SM4-TB(LF)(SN)
RXD_LCDsub
2
TXD_LCDsub
3
GND
1
3R3V_ECO
4
C1
0.1uF
C1
0.1uF
CP4
CP4
TP3
TP3
C2
X_0.1uF
C2
X_0.1uF
CN8
B34B-PHDSS-B(LF)(SN)
CN8
B34B-PHDSS-B(LF)(SN)
LCDSEL0
1
LCDSEL2
2
LCDSEL1
3
LCDSEL3
4
SCANDATA0-
5
LCD_DATA0-
6
SCANDATA0+
7
LCD_DATA0+
8
D-GND
9
D-GND
10
SCANDATA1-
11
LCD_DATA1-
12
SCANDATA1+
13
LCD_DATA1+
14
D-GND
15
D-GND
16
SCANDATA2-
17
LCD_DATA2-
18
SCANDATA2+
19
LCD_DATA2+
20
D-GND
21
D-GND
22
SCANCLKOUT-
23
LCD_CLK-
24
SCANCLKOUT+
25
LCD_CLK+
26
D-GND
27
D-GND
28
SCANDATA3-
29
LCD_DATA3-
30
SCANDATA3+
31
LCD_DATA3+
32
D-GND
33
D-GND
34
C658
X_0.1uF(B)
C658
X_0.1uF(B)
C669
X_0.1uF(B)
C669
X_0.1uF(B)
TP4
TP4
C503
X_1000pF(B)
C503
X_1000pF(B)
C502
X_1000pF(B)
C502
X_1000pF(B)
CP2
CP2
CP421
CP421
R8
100J
R8
100J
TP1
TP1
R7
X_100J
R7
X_100J
+
C59
22uF/16V(MVL:E60)
+
C59
22uF/16V(MVL:E60)
CP413
CP413
CN4
X_BM06B-GHS-TBT(LF)(SN)
CTS_LCDsub
4
RTS_LCSsub
3
RXD_LCDsub
2
TXD_LCDsub
1
GND
5
+5VL
6
X1
X_SG-9001LB_C20P_33.26M
X1
X_SG-9001LB_C20P_33.26M
GND
2
OUT
3
OE
1
VDD
4
IC500
X_MAX3225ECAP
IC500
X_MAX3225ECAP
READY
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
T2OUT
8
R2IN
9
R2OUT
10
nINVALID
11
T2IN
12
T1IN
13
FORCEON
14
R1OUT
15
R1IN
16
T1OUT
17
GND
18
VCC
19
nFORCEOFF
20
CP430
CP430
CP426
CP426
X2
SG-9001JC_C20P_33.26M
X2
SG-9001JC_C20P_33.26M
OUT
3
OE
1
GND
2
VDD
4
CP429
CP429
C667
X_0.1uF(B)
C667
X_0.1uF(B)
CP428
CP428
CP425
CP425
C668
X_0.1uF(B)
C668
X_0.1uF(B)
CP3
CP3
CP427
CP427
C501
X_1000pF(B)
C501
X_1000pF(B)
C653
X_0.1uF(B)
C653
X_0.1uF(B)
3
2
1
3
2
1
D
C
B
A
2/12
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 111
nPWM
nPWM2
+5VN
+5VN
+5VNPD
+24V1
+5VO
+12V
+12V
+5VO
+24V1
+24V1
DGND
DGND
DGND
DGND
DGND
DG
DGND
+24V1
+12V
+12V
+12V
DGND
5VN_PCU_ON
(1)
PGC
(1)
PWM2
(2)
PWM
(2)
CP40
CP40
Q20
4.7K
47K
DTC143ZUBTL
Q20
4.7K
47K
DTC143ZUBTL
R519
X_0J(B)
R519
X_0J(B)
Q2
4.7K
47K
DTA143ZUA
Q2
4.7K
47K
DTA143ZUA
O
I
G
C
0.
C
0.
Q3
10K
10K
DTC114EUBTL
Q3
10K
10K
DTC114EUBTL
Q21
4.7K
47K
DTC143ZUBTL
Q21
4.7K
47K
DTC143ZUBTL
R521
X_10KJ(B)
R521
X_10KJ(B)
CP8
CP8
(G)
(D)
(S)
Q10
X_2SK3065
(G)
(D)
(S)
Q10
X_2SK3065
CP53
CP53
R6
1KJ
R6
1KJ
R53
X_20KJ
R53
X_20KJ
R513
X_0J(B)
R513
X_0J(B)
CP24
CP24
Q24
10K
10K
X_DTC114EUBTL
Q24
10K
10K
X_DTC114EUBTL
R43
1KJ
R43
1KJ
+
C7
10uF/16V(MVL:D60)
+
C7
10uF/16V(MVL:D60)
R10
10KJ 1/4W
R10
10KJ 1/4W
CP10
CP10
R25
X_0J 1/4W
R25
X_0J 1/4W
R512
X_10KJ(B)
R512
X_10KJ(B)
(G)
(D)
(S)
Q4
TPC8021HQ
(G)
(D)
(S)
Q4
TPC8021HQ
5
1
2
3
4
6
7
8
R42
10KJ
R42
10KJ
D1
RF071M2S
D1
RF071M2S
A
K
CP77
CP77
R520
X_20KJ(B)
R520
X_20KJ(B)
Q17
4.7K
47K
X_DTC143ZUBTL
Q17
4.7K
47K
X_DTC143ZUBTL
IC3E
TC74VHCT14AFT
IC3E
TC74VHCT14AFT
11
10
D4
X_RF071M2S
D4
X_RF071M2S
A
K
CP34
CP34
R518
X_10KJ(B)
R518
X_10KJ(B)
R5
10KJ
R5
10KJ
Q25
10K
10K
X_DTC114EUBTL
Q25
10K
10K
X_DTC114EUBTL
CP7
CP7
R2
10KJ 1/4W
R2
10KJ 1/4W
R44
X_20KJ
R44
X_20KJ
R511
10KJ(B)
R511
10KJ(B)
CP9
CP9
5
4
3
5
4
3
D
C
B
A
LSU-MOTHER PWB (Peripheral Circuit)
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 112
PWM_HDDFAN
+5VO
+5VO
+5VN
+5VN
+5VHD
V
+5VO
+5VO
+5VO
+5VO
DGND
DGND
DGND
DGND
DGND
DGND
+24V1
PGND
+12V
PGND
DGND
OFF_CNT
(1)
RY_CNT
(1)
nPOF_PCU
(1,6)
nPOF_SCN
(1,2)
nPOF_MFPC
(1,2)
nOFF_CNT
(4)
nRY_CNT
(4)
PWM_HDDFAN
(4)
nHIGH_HDDFAN
(1)
nLOW_HDDFAN
(1)
HDDFAN
(4)
PWM_RSVFAN
(4)
RSVFAN
(4)
CP487
CP487
Q43
X_2SA2056
Q43
X_2SA2056
C12
0.1uF
C12
0.1uF
R26
X_0J 1/4W
R26
X_0J 1/4W
R11
47KJ 1/4W
R11
47KJ 1/4W
CP488
CP488
0KJ
0KJ
R503
X_10KJ(B)
R503
X_10KJ(B)
R20
X_0J
R20
X_0J
CP11
CP11
CP12
CP12
R196
X_2kJ 1/2W
R196
X_2kJ 1/2W
CP31
CP31
R3
4.7KJ 1/4W
R3
4.7KJ 1/4W
D27
X_RF071M2S
D27
X_RF071M2S
A
K
CP482
CP482
D25
X_1SS355
D25
X_1SS355
A
K
R500
1KJ(B)
R500
1KJ(B)
(G)
(D)
(S)
Q5
TPC8021HQ
(G)
(D)
(S)
Q5
TPC8021HQ
5
1
2
3
4
6
7
8
R21
X_0J
R21
X_0J
R501
1MJ(B)
R501
1MJ(B)
CP13
CP13
CP14
CP14
Q16
10K
10K
DTC114EUBTL
Q16
10K
10K
DTC114EUBTL
R502
1MJ(B)
R502
1MJ(B)
D26
X_1SS355
D26
X_1SS355
A
K
R52
X_0J
R52
X_0J
D28
X_RF071M2S
D28
X_RF071M2S
A
K
IC2
BU4240F
IC2
BU4240F
Vout
4
VDD
2
CT
3
GND
1
R41
X_1KJ
R41
X_1KJ
CP493
CP493
R639
X_47KJ(B)
R639
X_47KJ(B)
Q12
4.7K
47K
DTA143ZUA
Q12
4.7K
47K
DTA143ZUA
O
I
G
IC3F
TC74VHCT14AFT
IC3F
TC74VHCT14AFT
13
12
CP15
CP15
R638
X_47KJ(B)
R638
X_47KJ(B)
(G)
(D)
(S)
Q11
X_2SK3065
(G)
(D)
(S)
Q11
X_2SK3065
C11
1000pF
C11
1000pF
R40
X_1KJ
R40
X_1KJ
Q42
X_2SA2056
Q42
X_2SA2056
R197
X_2kJ 1/2W
R197
X_2kJ 1/2W
D2
RF071M2S
D2
RF071M2S
A
K
C504
X_1000pF(B)
C504
X_1000pF(B)
Q14
10K
10K
DTC114EUBTL
Q14
10K
10K
DTC114EUBTL
+
C8
10uF/16V(MVL:D60)
+
C8
10uF/16V(MVL:D60)
D5
X_RF071M2S
D5
X_RF071M2S
A
K
3
2
1
3
2
1
D
C
B
A
3/12
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 113
FAX_TXD_CS_N
FAX_RXD_D_N
FAX_RXD_D_P
FAX_RXD_CS_P
FAX_RXD_CS_N
FAX_TXD_D_P
FAX_TXD_D_N
FAX_TXD_CS_P
+12V
+5VHD
+24V1
+12V
+3.3VN
DGND
DGND
DGND
+3.3VN
DGND
DGND
DGND
+5VL
DGND
PGND
PGND
3R3V_ECO
DGND
3R3V_ECO
DGND
DGND
PGND
nCNCT_FAX
(2)
nC
nR
nC
nR
n
nRES_FAX
(2)
Power supply for HDD
DC Power Supply (+12V/+5VN/+3.3VN)
FAX PWB (Reserve)
C632
0.1uF(B:1608)
C632
0.1uF(B:1608)
Q35
4.7K
47K
X_DTC143ZUBTL
Q35
4.7K
47K
X_DTC143ZUBTL
C604
X_0.1uF(B)
C604
X_0.1uF(B)
R4
X_1KJ
R4
X_1KJ
C676
1000pF(B)
C676
1000pF(B)
C686
1000pF(B)
C686
1000pF(B)
C73
0.1uF(1608)
C73
0.1uF(1608)
+
C52
X_10uF/16V(MVL:D60)
+
C52
X_10uF/16V(MVL:D60)
C605
0.1uF(B)
C605
0.1uF(B)
R600
100KJ(B)
R600
100KJ(B)
C603
X_1000pF(B)
C603
X_1000pF(B)
R1
X_1KJ
R1
X_1KJ
CP150
CP150
C75
1000pF
C75
1000pF
C675
0.1uF(B:1608)
C675
0.1uF(B:1608)
R614
47KJ(B)
R614
47KJ(B)
+
C60
47uF/25V(MVL:F80)
+
C60
47uF/25V(MVL:F80)
C591
X_0.1uF(B)
C591
X_0.1uF(B)
R570
47KJ(B)
R570
47KJ(B)
C592
X_1000pF(B)
C592
X_1000pF(B)
CN15
B4P-VH(LF)(SN)
CN15
B4P-VH(LF)(SN)
+12V
1
+5VHD
2
DGND
3
DGND
4
R579
100KJ(B)
R579
100KJ(B)
CN11
X_B31C-CSRK(LF)(SN)
CN11
X_B31C-CSRK(LF)(SN)
GND
1
GND
2
+3.3V_F
3
+3.3V_F
4
nCNCT_FAX
5
FAXD_TXD_N
6
FAXD_TXD_P
7
+5V_(off)
8
nRES_FAX
9
FAXCS_TXD_P
10
FAXCS_TXD_N
11
GND
12
FAXD_RXD_N
13
FAXD_RXD_P
14
nFAX_WUP
15
FAXCS_RXD_P
16
FAXCS_RXD_N
17
5V_(off)
18
GND
19
nFAXD_RTS
20
GND
21
nFAXD_CTS
22
FLVPP
23
nFAXCS_RTS
24
+5V_A
25
nFAXCS_CTS
26
+24V
27
+3.3V_F
28
+3.3V_F
29
GND
30
PGND
31
+
C72
33uF/35V(MVL:F80)
+
C72
33uF/35V(MVL:F80)
JP10
DGND
JP10
DGND
JP9
+24V1
JP9
+24V1
Q1
4.7K
47K
X_DTC143ZUBTL
Q1
4.7K
47K
X_DTC143ZUBTL
CN12
B5P-VH(LF)(SN)
CN12
B5P-VH(LF)(SN)
+12V
1
D-GND
2
+5VN
3
D-GND
4
+3.3
V
5
JP8
PGND
JP8
PGND
C
C
+
C76
470uF/16V(KZE:H15)
+
C76
470uF/16V(KZE:H15)
JP5
+12V
JP5
+12V
+
C79
22uF/16V(MVL:E60)
+
C79
22uF/16V(MVL:E60)
C631
1000pF(B)
C631
1000pF(B)
C691
0.1uF(B)
C691
0.1uF(B)
+
C54
X_10uF/16V
+
C54
X_10uF/16V
5
4
3
5
4
3
D
C
B
A
LSU-MOTHER PWB (Power Connector & FAX I/F)
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