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

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

MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 114
FAX_DO2_N
FAX_DO1_N
FAX_DO1_P
RES_FAX
FAX_DO2_P
FAXLVDS_EN
nFAXLVDS_EN
+5VL
+5VO
+5VN
DGND
DGND
DGND
DGND
DGND
GND
DGND
DGND
DGND
+5VO
+24V1
D
DGND
+3.3VN
3R3V_ECO
3R3V_ECO
PGND
PGND
3R3V_ECO
DGND
PGND
PWM_HDDFAN
(3)
CNCT_HDDFAN
(1)
TXD_FAX_CS (2)
TXD_FAX_D (2)
RXD_FAX_CS (2)
RXD_FAX_D (2)
nCTS_FAX_CS (2)
nRTS_FAX_CS (2)
nCTS_FAX_D
(2)
nRTS_FAX_D
(2)
nWU_FAX
(1)
HDDFAN
(3)
CNCT_RSVFAN
(1)
PWM_RSVFAN
(3)
RSVFAN
(3)
nFANRDY
(5)
nFAN_PWM
(5)
nOFF_CNT
(3)
nRY_CNT
(3)
HDD Cooler FAN
DC Power Supply (+24V1/+5VL/+5VO/DCCNT)
Resarve Cooler FAN
R578
100KJ(B)
R578
100KJ(B)
+
C32
X_33uF/35V(MVL:F80)
+
C32
X_33uF/35V(MVL:F80)
C37
X_0.1uF
C37
X_0.1uF
C672
0.1uF(B)
C672
0.1uF(B)
C671
0.1uF(B)
C671
0.1uF(B)
))
+
C58
22uF/16V(MVL:E60)
+
C58
22uF/16V(MVL:E60)
C526
X_1000pF(B)
C526
X_1000pF(B)
C630
0.1uF(B)
C630
0.1uF(B)
R550
47KJ(B)
R550
47KJ(B)
C629
1000pF(B)
C629
1000pF(B)
C559
X_0.1uF(B)
C559
X_0.1uF(B)
C560
X_0.1uF(B)
C560
X_0.1uF(B)
CN14
X_B04B-PASK-1(LF)(SN)
CN14
X_B04B-PASK-1(LF)(SN)
HDDFAN
1
PWM_HDDFAN
2
DGND
3
LOCK_HDDFAN
4
CN1
X_B05B-PASK-1(LF)(SN)
CN1
X_B05B-PASK-1(LF)(SN)
RSVFAN
1
PWM_RSVFAN
2
DGND
3
LOCK_RSVFAN
4
GND
5
+
C57
22uF/16V(MVL:E60)
+
C57
22uF/16V(MVL:E60)
R198
X_0J
R198
X_0J
C673
1000pF(B)
C673
1000pF(B)
Q32
4.7K
47K
X_DTC143ZUBTL
Q32
4.7K
47K
X_DTC143ZUBTL
R67
X_100J
R67
X_100J
+
C68
22uF/16V(MVL:E60)
+
C68
22uF/16V(MVL:E60)
R551
47KJ(B)
R551
47KJ(B)
R64
X_100J
R64
X_100J
R543
X_10KJ(B)
R543
X_10KJ(B)
C670
1000pF(B)
C670
1000pF(B)
JP500
DGND
JP500
DGND
JP2
DGND
JP2
DGND
C36
X_1000pF
C36
X_1000pF
C518
X_0.1uF(B:1608)
C518
X_0.1uF(B:1608)
R199
X_0J
R199
X_0J
JP1
DGND
JP1
DGND
P10
ND
P10
ND
CN13
B8P-VH(LF)(SN)
CN13
B8P-VH(LF)(SN)
+24V1
1
P-GND
2
D-GND
3
+5VO
4
+5VL
5
+5VL
6
DCCNT1
7
DCCNT2
8
Q34
4.7K
47K
X_DTC143ZUBTL
Q34
4.7K
47K
X_DTC143ZUBTL
CP149
CP149
R598
100KJ(B)
R598
100KJ(B)
C616
1000pF(B)
C616
1000pF(B)
JP6
+5VL
JP6
+5VL
IC11
X_SN65LVDS049PW
IC11
X_SN65LVDS049PW
ROUT1
15
ROUT2
14
DIN2
11
DIN1
10
RIN1+
2
RIN1-
1
RIN2+
3
RIN2-
4
DOUT2+
6
DOUT2-
5
DOUT1+
7
DOUT1-
8
EN
16
EN*
9
VDD
12
GND
13
R200
X_0J
R200
X_0J
R599
100KJ(B)
R599
100KJ(B)
+
C69
22uF/16V(MVL:E60)
+
C69
22uF/16V(MVL:E60)
+
C38
X_10uF/16V(MVL:D60)
+
C38
X_10uF/16V(MVL:D60)
R194
X_0J
R194
X_0J
JP7
+5VO
JP7
+5VO
54
F/16V(MVL:D60)
54
F/16V(MVL:D60)
R540
X_10KJ(B)
R540
X_10KJ(B)
CP137
CP137
3
2
1
3
2
1
D
C
B
A
4/12
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 115
nnnSH_K2(M)
nSH_C2(Y)
nnnSH_K1(K)
nSH_K1(K)
nnnSH_M2
nnnSH_M1
nnnSH_Y1
nnnSH_C1(C)
nnnENB_K
nnnENB_C
nENB_K
nnnSH_C2(Y)
nSH_K2(M)
nENB_C
nSH_C1(C)
VREF_M1
VREF_C2
VREF_C1
VREF_K2
VREF_K1
nFANSTABLE
ENB_K
ENB_C
nnnSH_Y2
VREF_M2
VREF_Y1
VREF_Y2
nBD
nFANSTABLE
nPOLY_LOCK
nPOLY_LOCK
CNCHK
nLDERR_Y
nLDERR_M
nLDERR_C
nLDERR_K
CNCHK
nPOLY_START
nPOLY_CK
nBRAKE
TH
DT_M2-
DT_M2+
DT_M1-
DT_M1+
DT_Y2-
DT_Y2+
DT_Y1-
DT_Y1+
DT_K2-
DT_K2+
DT_K1-
DT_K1+
DT_C2-
DT_C2+
DT_C1-
DT_C1+
ENBDOWN1
nPOLY_CK
nPOLY_START
nBRAKE
+3.3V
+5V
+5V_LD
+3.3V
+5V
+5V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5V
DGND
+3.3V
DGND
+24V1
nLD_SH_C2(Y)
(10)
nLD_SH_K2(M)
(10)
nLD_SH_C1(C)
(10)
nLD_SH_K1(K)
(10)
LD_ENB_C
(10)
LD_ENB_K
(10)
nLD_SH_Y1
(9)
nLD_SH_M1
(9)
nLD_SH_M2
(9)
DA_DT
(10)
DA_CLK
(10)
DA_LD
(10)
FAN_PWM
(10)
LDD_ERR_K
(10)
nLD_SH_Y2
(9)
LDD_ERR_C
(10)
LDD_ERR_M
(10)
LDD_ERR_Y
(10)
LD_CHK_1
(10)
DT_M2-
(9)
DT_M2+
(9)
DT_M1-
(9)
DT_M1+
(9)
DT_Y1-
(9)
DT_Y1+
(9)
DT_Y2-
(9)
DT_Y2+
(9)
DT_K2(M)-
(10)
DT_K2(M)+
(10)
DT_K1(K)-
(10)
DT_K1(K)+
(10)
DT_C2(Y)-
(10)
DT_C2(Y)+
(10)
DT_C1(C)-
(10)
DT_C1(C)+
(10)
(4
nFAN_PWM
(4)
POLY_BRAKE(ASIC)
(10)
POLY_CK(ASIC)
(10)
POLY_START(ASIC)
(10)
GPIO1_RSV
(9)
GPIO0_RSV
(9)
LD5V
(6,9,10)
GPIO2_RSV
(9)
or
M62352GP
<LD CN >
<FAN MOTOR
CN>
or DTC143ZKA
or TC74VHCT244AFT
C85
0.1uF
C85
0.1uF
CP471
CP471
C82
X_220pF
C82
X_220pF
CP457
CP457
R619
47KJ(B)
R619
47KJ(B)
CP468
CP468
C704
X_0.1uF(B)
C704
X_0.1uF(B)
CP454
CP454
R1
R1
CP491
CP491
R1
R1
R631
100J(B)
R631
100J(B)
C706
X_0.1uF(B)
C706
X_0.1uF(B)
C711
X_0.1uF(B)
C711
X_0.1uF(B)
R604
100J(B
R604
100J(B
R605
2KJ(B)
R605
2KJ(B)
CN17
CN17
CNCH
1
LDCH
2
DT_C
3
DT_C
4
DT_C
5
DT_C
6
DT_K
7
DT_K
8
DT_K
9
DT_K
10
GND
11
GND
12
DT_Y
13
DT_Y
14
DT_Y
15
DT_Y
16
DT_M
17
DT_M
18
DT_M
19
DT_M
20
TH
21
GND
22
GND
23
+5V_
24
GND
25
GND
26
BRAK
27
CLK
28
LOCK
29
nSTA
30
CP459
CP459
R203
47KJ
R203
47KJ
CP442
CP442
CP476
CP476
C702
X_0.1uF(B)
C702
X_0.1uF(B)
R192
1KJ
R192
1KJ
R615
47KJ(B)
R615
47KJ(B)
R620
47KJ(B)
R620
47KJ(B)
R191
100J
R191
100J
R622
100J(B)
R622
100J(B)
CP483
CP483
Q38
X_KRC106S
Q38
E
B
C
R635
100J(B)
R635
100J(B)
R632
100J(B)
R632
100J(B)
C83
X_220pF
C83
X_220pF
CP490
CP490
CP478
CP478
R621
100J(B)
R621
100J(B)
R606
4.7KJ(B)
R606
4.7KJ(B)
CP453
CP453
R205
47KJ
R205
47KJ
C77
0.1uF
C77
0.1uF
CP470
CP470
C86
0.1uF
C86
0.1uF
R637
100J(B)
R637
100J(B)
R201
47KJ
R201
47KJ
CP460
CP460
R626
100J(B)
R626
100J(B)
CP475
CP475
CP469
CP469
CP474
CP474
IC27
KID65503F
IC27
KID65503F
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
C701
X_0.1uF(B)
C701
X_0.1uF(B)
R617
47KJ(B)
R617
47KJ(B)
R628
1KJ(B)
R628
1KJ(B)
CP438
CP438
R193
1KJ
R193
1KJ
C703
X_0.1uF(B)
C703
X_0.1uF(B)
R618
47KJ(B)
R618
47KJ(B)
C705
X_0.1uF(B)
C705
X_0.1uF(B)
R625
47KJ(B)
R625
47KJ(B)
CP472
CP472
CP448
CP448
R186
X_20KJ
R186
X_20KJ
R611
100J(B)
R611
100J(B)
R1
R1
C81
X_220pF
C81
X_220pF
CP433
CP433
C710
X_0.1uF(B)
C710
X_0.1uF(B)
R627
1KJ(B)
R627
1KJ(B)
R204
47KJ
R204
47KJ
C84
0.1uF
C84
0.1uF
IC25
SN74AHCT244PWR
IC25
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
CP458
CP458
R636
100J(B)
R636
100J(B)
IC29
BU2500FV
IC29
Vss
1
AO3
2
AO4
3
AO5
4
AO6
5
AO7
6
AO8
7
AO9
8
AO10
9
Vdd
10
Vcc
11
AO11
12
AO12
13
Do
14
LD
15
CLK
16
DI
17
AO1
18
AO2
19
GND
20
R206
47KJ
R206
47KJ
CP467
CP467
CP447
CP447
R608
10KF(B)
R608
10KF(B)
CP477
CP477
CP462
CP462
R624
47KJ(B)
R624
47KJ(B)
R630
1KJ(B)
R630
1KJ(B)
R202
47KJ
R202
47KJ
IC30
TC74LCX14FT
IC30
TC74LCX14FT
I0
1
O0
2
I1
3
O1
4
I2
5
O2
6
GND
7
VCC
14
I5
13
O5
12
I4
11
O4
10
I3
9
O3
8
R616
47KJ(B)
R616
47KJ(B)
CP479
CP479
A
B
C
A
B
C
4
3
2
1
LSU-MOTHER PWB (LSU Connector section)
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 116
nBD
nnTH
TH
nnGND
nFANRDY
nnnPOLY_LOCK
nnnBD
nPOLY_CK
nPOLY_START
nnnPOLY_START
nBRAKE
nnnBRAKE
nnnPOLY_CK
VREF_C1
nENB_C
VREF_C2
nLDERR_C
VREF_M2
nLDERR_M
VREF_M1
VREF_Y2
nLDERR_Y
VREF_Y1
VREF_K2
nLDERR_K
nSH_K2(M)
ENBDOWN1
nGPIO2_RSV
nSH_C1(C)
nENB_K
nSH_K1(K)
nSH_C2(Y)
VREF_K1
+5VN
+3.3VN
+24V1
+5V
PGND
+3.3V
+5VN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
PGND
+24V1
+3.3V
DGND
+3.3V
TH_LSU
(6)
FANSTABLE
(10)
BEAMDETECT
(9,10)
POLY_LOCK(ASIC)
(10)
BEAMDETECT
(9,10)
POLY_BRAKE(ASIC)
(10)
POLY_START(ASIC)
(10)
POLY_CK(ASIC)
(10)
LD_CHK_3
(10)
nCNCHK
(10)
LD_CHK_2
(10)
LD_CHK_4
(10)
nFANRDY
(4)
or LM358
or 2SA1036
or DTC114YUA
or DTC114YUA
or DTC114YUA
v0.5 nm
IC24
TC74LCX14FT
IC24
TC74LCX14FT
I0
1
O0
2
I1
3
O1
4
I2
5
O2
6
GND
7
VCC
14
I5
13
O5
12
I4
11
O4
10
I3
9
O3
8
R610
X_470J(B)
R610
X_470J(B)
LED1
LT1F67AF
LED1
LT1F67AF
A
K
CN2
X_B03B-PASK-1(LF)(SN)
CN2
X_B03B-PASK-1(LF)(SN)
1
2
3
R187
X_47KJ
R187
X_47KJ
CP443
CP443
R183
X_47KJ
R183
X_47KJ
CP436
CP436
+
C70
47uF/50V(MVL:H10)
+
C70
47uF/50V(MVL:H10)
CP481
CP481
0J(B)
0J(B)
J(B)
J(B)
17
TX24-60R-6ST-H1E
17
TX24-60R-6ST-H1E
CNCHK
DCHK1
DT_C1+
DT_C1-
DT_C2+
DT_C2-
DT_K1+
DT_K1-
DT_K2+
DT_K2-
GND
GND
DT_Y1+
DT_Y1-
DT_Y2+
DT_Y2-
DT_M1+
DT_M1-
DT_M2+
DT_M2-
H
GND
GND
5V_LD
GND
GND
RAKE
CLK
OCK
START
LDCHK4
31
LDCHK3
32
LDCHK2
33
nLDERR_Y
34
nLDERR_C
35
VREF_C1
36
nENB_YMC
37
nLDERR_K
38
VREF_Y1
39
nSH_YMC1
40
nSH_YMC2
41
VREF_K1
42
nSH_K1
43
nENB_K
44
nSH_K2
45
VREF_C2
46
VREF_K2
47
VREF_Y2
48
VREF_M1
49
VREF_M2
50
nLDERR_M
51
BD
52
GND
53
GND
54
+5VLD
55
P-GND
56
P-GND
57
+24V
58
+24V
59
CNCHK
60
C677
0.1uF(B)
C677
0.1uF(B)
CP434
CP434
CP177
CP177
R185
X_47KJ
R185
X_47KJ
CP290
CP290
Q44
4.7K
47K
DTC143ZUBTL
Q44
4.7K
47K
DTC143ZUBTL
CP463
CP463
R602
10KF(B)
R602
10KF(B)
CP480
CP480
CP441
CP441
CP435
CP435
+
-
IC23A
KIA358F
+
-
IC23A
3
2
1
8
4
L4
X_BKP1608HS101-
T
L4
X_BKP1608HS101-
T
1
2
R607
X_470J(B)
R607
X_470J(B)
R609
X_470J(B)
R609
X_470J(B)
C680
150pF(B)
C680
150pF(B)
Q40
X_KRC407
Q40
X_KRC407
O
G
I
C71
0.1uF
C71
0.1uF
CP431
CP431
Q41
X_KRC407
O
G
I
C679
0.1uF(B)
C679
0.1uF(B)
R184
X_47KJ
R184
X_47KJ
R603
47KJ(B)
R603
47KJ(B)
R188
2KJ
R188
2KJ
CP461
CP461
Q37
X_KTA1505S
Q37
X_KTA1505S
B
E
C
CP432
CP432
R601
1KJ(B)
R601
1KJ(B)
CP437
CP437
R207
390J
R207
390J
CP449
CP449
R189
10KF
R189
10KF
+
-
IC23B
KIA358F
+
-
IC23B
KIA358F
5
6
7
8
4
Q39
X_KRC407
O
G
I
C
D
E
C
D
E
4
3
2
1
5/12
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 117
nTRANS_DAT
nTRANS_RST
nRSV_DAT
nTRANS_RST
nnLD5V
VSYNC_C_P
VSYNC_C_N
VSYNC_M_P
VSYNC_M_N
VSYNC_Y_N
VSYNC_Y_P
VSYNC_K_P
VSYNC_K_N
JOBEND_INT
nSCK_LSU
nPCU_TRG
nTRANS_DAT
nSCK_LSU
nPCU_TRG
nRSV_DAT
JOBEND_INT
nRES_PCU
TXD_PCU
nRTS_PCU
RXD_PCU
nCTS_PCU
nINFO_LED
+5V_LD
+3.3V
+3.3V
DGND
DGND
DGND
+3.3V
+5V_LD
DGND
+5VNPD
DGND
TH_LSU
(5)
LSUASIC_RST
(7)
LD5V
(5,9,10)
nVSYNC_M
(9,10)
nVSYNC_Y
(9,10)
nVSYNC_C
(10)
nVSYNC_K
(10)
VIDEOIF_ACT
(8,10)
VSYNC_K_N
(2)
VSYNC_K_P
(2)
VSYNC_C_P
(2)
VSYNC_C_N
(2)
VSYNC_M_N
(2)
VSYNC_M_P
(2)
VSYNC_Y_P
(2)
VSYNC_Y_N
(2)
nRES_PCU
(2)
TXD_PCU
(2)
nRTS_PCU
(2)
RXD_PCU
(2)
nCTS_PCU
(2)
nPOF_PCU
(1,3)
nINFO_LED
(2)
R559
X_0J(B)
R559
X_0J(B)
CP211
CP211
D12 1SS355
D12 1SS355
A
K
+
C2
7
X_150uF/
10V(
P
XA:
H
70)
+
C2
7
X_150uF/
10V(
P
XA:
H
70)
C
2
8
X
_1000pF
C
2
8
X
_1000pF
C45
0.1uF
C45
0.1uF
R556
X_0J(B)
R556
X_0J(B)
R505
2KJ(B)
R505
2KJ(B)
C
512
10uF(
B:
2012)
C
512
10uF(
B:
2012)
C
3
1
X
_1000pF
C
3
1
X
_1000pF
C
509
10uF(
B:
2012)
C
509
10uF(
B:
2012)
C
2
9
X
_1000pF
C
2
9
X
_1000pF
CP42
CP42
CP209
CP209
CP210
CP210
R558
X_0J(B)
R558
X_0J(B)
CN10
B22B-CZWHK-B-1
CN10
B22B-CZWHK-B-1
PCU_RES
A-1
5VNPD
A-2
PCU_DTR
A-3
PCU_DSR
A-4
nPOF
A-5
LSU_RST
A-6
SCK
A-7
RSV_DAT
A-8
TH1_LSU
A-9
nPCU_TRG
B-4
GND
A-10
NC
A-11
INT5V
B-1
GND
B-2
GND
B-3
JOBEND_INT
B-5
TRANS_DAT
B-6
TRANS_RST
B-7
nFAX_LED
B-8
PCU_RXD
B-9
PCU_TXD
B-10
GND
B-11
R37
100J
R37
100J
R
526
4.
7KJ(
B
)
R
526
4.
7KJ(
B
)
+
C1
8
150uF/
10V(
P
XA:
H
70)
+
C1
8
150uF/
10V(
P
XA:
H
70)
R38
47KJ
R38
47KJ
BR
10
BR
10
1
2
3
4
C
511
10uF(
B:
2012)
C
511
10uF(
B:
2012)
R49
R49
D11 1SS355
D11 1SS355
A
K
C
3
0
X
_1000pF
C
3
0
X
_1000pF
R
5
14
47KJ(
B)
R
5
14
47KJ(
B)
CP184
CP184
CP37
CP37
CP41
CP41
R557
X_0J(B)
R557
X_0J(B)
R
5
07
47KJ(
B)
R
5
07
47KJ(
B)
R504
47KJ(B)
R504
47KJ(B)
IC13
BU90LV047-E2
IC13
BU90LV047-E2
DIN1
2
DIN2
3
DIN3
6
DIN4
7
EN
1
/EN
8
GND
5
DO1+
15
DO1-
16
DO2+
14
DO2-
13
DO3+
11
DO3-
12
DO4+
10
DO4-
9
VCC
4
R
5
06
47KJ(
B)
R
5
06
47KJ(
B)
A
B
C
A
B
C
4
3
2
1
LSU-MOTHER PWB (PCU I/F section)
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