Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man8) Service Manual ▷ View online
MX-C300W CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 43
5
5
4
4
3
3
D
C
B
A
DSW_F_CNI
DSW_R_CNI
PSFM_V_CNO
PSFM_LD_CNI
PSFM_CNT_CNO
MC_ERR_CNI
PGND
INT+24V
PGND
DGND
DGND
DGND
DGND
3R3VN
DGND
DGND
PIN+24V1N
DGND
DGND
DGND
DGND
DGND
DGND
PIN+3.3VN
DGND
DGND
DGND
PIN+3.3VN
3R3VN
DGND
PIN+24V1N
3R3VN
DGND
DGND
3R3VN
DGND
3R3VN
DSW_F
<6>
DSW_R
<6>
FUFM_CNT
<11,12>
PSFM_V
<12>
FUFM_V
<12>
PSFM_LD
<6>
FUFM_LD
<6>
PSFM_CNT
<11,12>
HV_REM
<6>
SPI1CS2_DAC2LD
<3>
SPI1CLK_SLPZ
<3,6,26>
SPI1DO_SLPZ
<3,6,26>
DV_AC_REM
<6>
MC_nERR
<6>
*INT+24V
(Power Source)
(Power Source)
R531
22KF
R531
22KF
+
C479
47u/50v(MVL:H10)
47u/50v(MVL:H10)
+
C479
47u/50v(MVL:H10)
47u/50v(MVL:H10)
R542
10KJ
10KJ
R542
10KJ
10KJ
D56
KDS160E
D56
KDS160E
1
2
R532
3KJ
3KJ
R532
3KJ
3KJ
D55
KDS160E
KDS160E
D55
KDS160E
KDS160E
1
2
R530
10KJ 1/4W(3216)
10KJ 1/4W(3216)
R530
10KJ 1/4W(3216)
10KJ 1/4W(3216)
C480
0.1u/10v:B
0.1u/10v:B
C480
0.1u/10v:B
0.1u/10v:B
D53
KDS160E
D53
KDS160E
1
2
D54
KDS123E
KDS123E
D54
KDS123E
KDS123E
3
2
1
R539
4.7KJ 1/4W(3216)
R539
4.7KJ 1/4W(3216)
R541
10KJ
10KJ
R541
10KJ
10KJ
D57
KDS123E
KDS123E
D57
KDS123E
KDS123E
3
2
1
D59
KDS160E
KDS160E
D59
KDS160E
KDS160E
1
2
C481
0.1u/10v:B
0.1u/10v:B
C481
0.1u/10v:B
0.1u/10v:B
D58
KDS160E
KDS160E
D58
KDS160E
KDS160E
1
2
R820
1KJ
R820
1KJ
R819
4.7KJ
4.7KJ
R819
4.7KJ
4.7KJ
4.7K
47K
Q64
DTC043ZUB
4.7K
47K
Q64
DTC043ZUB
1
2
3
R534
3KJ
3KJ
R534
3KJ
3KJ
CP767
CP767
C483
X_0.1u/50v:B(1608)
X_0.1u/50v:B(1608)
C483
X_0.1u/50v:B(1608)
X_0.1u/50v:B(1608)
Q30
KTA1551T
KTA1551T
Q30
KTA1551T
KTA1551T
2
3
1
CP770
CP770
R543
4.7KJ
4.7KJ
R543
4.7KJ
4.7KJ
CP967
CP967
D61
KDS123E
KDS123E
D61
KDS123E
KDS123E
3
2
1
R575
5.6KJ
5.6KJ
R575
5.6KJ
5.6KJ
CP764
CP764
R529
4.7KJ 1/4W(3216)
4.7KJ 1/4W(3216)
R529
4.7KJ 1/4W(3216)
4.7KJ 1/4W(3216)
C486
0.01u/25v:B
0.01u/25v:B
C486
0.01u/25v:B
0.01u/25v:B
CP765
CP765
Q28
TPC8126
Q28
TPC8126
Source
1
Source
2
Source
3
Gate
4
Drain
5
Drain
6
Drain
7
Drain
8
C564
0.01u/25v:B
0.01u/25v:B
C564
0.01u/25v:B
0.01u/25v:B
CP943
CP943
R746
X_4.7KJ
R746
X_4.7KJ
D127
KDS123E
KDS123E
D127
KDS123E
KDS123E
3
2
1
R747
X_4.7KJ
R747
X_4.7KJ
D136
KDS160E
KDS160E
D136
KDS160E
KDS160E
1
2
R545
1KJ
R545
1KJ
C482
X_1000p/50v:B
X_1000p/50v:B
C482
X_1000p/50v:B
X_1000p/50v:B
4.7K
47K
Q32
DTC043ZUB
4.7K
47K
Q32
DTC043ZUB
1
2
3
R533
22KF
R533
22KF
R537
47KJ
R537
47KJ
R582
2.2KJ
2.2KJ
R582
2.2KJ
2.2KJ
Printer Engine Control I/Os <DSWF , DSWR , HV/FAN-CN>
MX-C300W CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 44
3
3
2
2
1
1
D
C
B
A
FUFM_CNT_CNO
FUFM_V_CNO
FUFM_LD_CNI
PSFM_V_CNO
PSFM_LD_CNI
PSFM_LD_CNI
DV_AC_REM_CNO
HV_DAC_LD_CNO
HV_DAC_DT_CNO
HV_DAC_CLK_CNO
HV_REM_CNO
FUFM_LD_CNI
FUFM_CNT_CNO
FUFM_CNT_CNO
FUFM_V_CNO
PSFM_CNT_CNO
HV_REM_CNO
DV_AC_REM_CNO
DV_AC_REM_CNO
HV_DAC_LD_CNO
HV_DAC_DT_CNO
HV_DAC_CLK_CNO
MC_ERR_CNI
PIN+24V2N
DGND
PIN+24V1N
DGND
3R3VN
PIN+24V1N
DGND
DGND
DGND
DGND
DGND
DGND
3R3VN
DGND
PIN+5VN
DGND
PGND
DGND
DGND
PIN+24V1N
INT+24V
23
30
23
30
23
30
*+24V
(Power Source)
C484
X_1000p/50v:B
X_1000p/50v:B
C484
X_1000p/50v:B
X_1000p/50v:B
R542
10KJ
10KJ
R542
10KJ
10KJ
R536
X_4.7KJ
R536
X_4.7KJ
4.7K
47K
Q33
DTC043ZUB
4.7K
47K
Q33
DTC043ZUB
1
2
3
4.7K
47K
Q29
DTC043ZUB
4.7K
47K
Q29
DTC043ZUB
1
2
3
R535
X_4.7KJ
R535
X_4.7KJ
C500
0.1u/10v:B
C500
0.1u/10v:B
DSWR
CN24
B3P-VH(LF)(SN)
DSWR
CN24
B3P-VH(LF)(SN)
1
1
2
2
3
3
CP766
CP766
IC51
74AHCT14PW
IC51
74AHCT14PW
IN1
1
IN2
3
IN3
5
IN4
9
IN5
11
IN6
13
GND
7
OUT1
2
OUT2
4
OUT3
6
OUT4
8
OUT5
10
OUT6
12
VCC
14
R538
47KJ
R538
47KJ
R540
4.7KJ 1/4W(3216)
R540
4.7KJ 1/4W(3216)
C487
0.01u/25v:B
0.01u/25v:B
C487
0.01u/25v:B
0.01u/25v:B
D62
KDS123E
KDS123E
D62
KDS123E
KDS123E
3
2
1
CP769
CP769
D60
KDS160E
KDS160E
D60
KDS160E
KDS160E
1
2
R575
5.6KJ
5.6KJ
R575
5.6KJ
5.6KJ
D137
KDS160E
KDS160E
D137
KDS160E
KDS160E
1
2
HV/FAN
CN29
B18B-PHDSS-B(LF)(SN)
HV/FAN
CN29
B18B-PHDSS-B(LF)(SN)
DV_AC_REM
10
MC_ERR
9
HV_REM
8
HV_LD
7
HV_DATA
5
DC+24V
4
DGND
3
PGND
2
INT+24V
1
HV_CLK
6
DGND
11
DGND
12
FUFM_V
13
PSFM_V
14
FUFM_LD
15
PSFM_LD
16
FUFM_CNT
17
PSFM_CNT
18
CP768
CP768
DSWF
CN25
B2P-VH(LF)(SN)
DSWF
CN25
B2P-VH(LF)(SN)
1
1
2
2
R577
5.6KJ
5.6KJ
R577
5.6KJ
5.6KJ
R544
4.7KJ
4.7KJ
R544
4.7KJ
4.7KJ
Q31
KTA1551T
KTA1551T
Q31
KTA1551T
KTA1551T
2
3
1
C485
X_0.1u/50v:B(1608)
X_0.1u/50v:B(1608)
C485
X_0.1u/50v:B(1608)
X_0.1u/50v:B(1608)
R546
1KJ
R546
1KJ
R582
2.2KJ
2.2KJ
R582
2.2KJ
2.2KJ
MX-C300W CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 45
5
5
4
4
3
3
D
C
B
A
CRM_C_SCL_CNO
CRM_C_SDA_CNO
CRM_Y_SCL_CNO
CRM_Y_SDA_CNO
CRM_M_SCL_CNO
CRM_M_SDA_CNO
CRM_K_SCL_CNO
CRM_K_SDA_CNO
CRM_K_SDA
CRM_Y_SDA
CRM_C_SDA
CRM_C_SCL
CRM_M_SCL
CRM_M_SDA
CRM_M_SDA
CRM_Y_SCL
CRM_K_SCL
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
PIN+3.3VN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
CRM_K_SCL
<6>
CRM_K_SDA
<6>
CRM_C_SCL
<6>
CRM_C_SDA
<6>
CRM_M_SCL
<6>
CRM_M_SDA
<6>
CRM_Y_SCL
<6>
CRM_Y_SDA
<6>
TNC_K
<6>
TNC_C
<6>
TNC_M
<6>
TNC_Y
<6>
R563
2.2KJ
2.2KJ
R563
2.2KJ
2.2KJ
C488
100p/50v:CH
100p/50v:CH
C488
100p/50v:CH
100p/50v:CH
R552
2.2KJ
2.2KJ
R552
2.2KJ
2.2KJ
R566
100J
R566
100J
D72
KDS123E
D72
KDS123E
3
2
1
C489
100p/50v:CH
100p/50v:CH
C489
100p/50v:CH
100p/50v:CH
C493
100p/50v:CH
100p/50v:CH
C493
100p/50v:CH
100p/50v:CH
R560
2.2KJ
2.2KJ
R560
2.2KJ
2.2KJ
R564
100J
R564
100J
D74
KDS123E
D74
KDS123E
3
2
1
C490
100p/50v:CH
100p/50v:CH
C490
100p/50v:CH
100p/50v:CH
C495
100p/50v:CH
100p/50v:CH
C495
100p/50v:CH
100p/50v:CH
R548
100J
R548
100J
D69
KDS123E
D69
KDS123E
3
2
1
R558
100J
R558
100J
D63
KDS123E
D63
KDS123E
3
2
1
D71
KDS123E
D71
KDS123E
3
2
1
R557
2.2KJ
2.2KJ
R557
2.2KJ
2.2KJ
R555
2.2KJ
2.2KJ
R555
2.2KJ
2.2KJ
R553
100J
R553
100J
R556
100J
R556
100J
D67
KDS123E
D67
KDS123E
3
2
1
R547
2.2KJ
2.2KJ
R547
2.2KJ
2.2KJ
C494
100p/50v:CH
100p/50v:CH
C494
100p/50v:CH
100p/50v:CH
R561
100J
R561
100J
C491
100p/50v:CH
100p/50v:CH
C491
100p/50v:CH
100p/50v:CH
R549
2.2KJ
2.2KJ
R549
2.2KJ
2.2KJ
D66
KDS123E
D66
KDS123E
3
2
1
R550
100J
R550
100J
C492
100p/50v:CH
100p/50v:CH
C492
100p/50v:CH
100p/50v:CH
R565
2.2KJ
2.2KJ
R565
2.2KJ
2.2KJ
D75
KDS123E
D75
KDS123E
3
2
1
Printer Engine Control I/Os <TNC , CRUM-CN>
MX-C300W CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 46
3
3
2
2
1
1
D
C
B
A
TNC_Y_CNO
TNC_K_CNO
TNC_C_CNO
TNC_M_CNO
TNC_C_CNO
TNC_K_CNO
TNC_M_CNO
TNC_Y_CNO
CRM_K_SCL_CNO
CRM_K_SDA_CNO
CRM_K_SDA_CNO
CRM_C_SCL_CNO
CRM_C_SDA_CNO
CRM_C_SDA_CNO
CRM_Y_SCL_CNO
CRM_Y_SDA_CNO
CRM_Y_SDA_CNO
CRM_M_SCL_CNO
CRM_M_SDA_CNO
CRM_M_SDA_CNO
PIN+24V1N
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
PIN+3.3VN
DGND
PIN+3.3VN
PIN+24V1N
24
30
24
30
24
30
D70
KDS160E
D70
KDS160E
1
2
D68
KDS160E
D68
KDS160E
1
2
R696
X_0J
X_0J
R696
X_0J
X_0J
D64
KDZTR20B
KDZTR20B
D64
KDZTR20B
KDZTR20B
1
2
R554
2.2KJ
2.2KJ
R554
2.2KJ
2.2KJ
Q36
RSU002N06
Q36
RSU002N06
D
3
G
2
S
1
Q35
RSU002N06
Q35
RSU002N06
D
3
G
2
S
1
CRUM
CN27
B16B-PHDSS-B(LF)(SN)
CRUM
CN27
B16B-PHDSS-B(LF)(SN)
DGND
1
DGND
2
DC+5V
3
DC+5V
4
CRM_K_CK
5
CRM_M_CK
6
CRM_K_DT
7
CRM_M_DT
8
DGND
9
DGND
10
DC+5V
11
DC+5V
12
CRM_C_CK
13
CRM_Y_CK
14
CRM_C_DT
15
CRM_Y_DT
16
CP771
CP771
D65
KDS160E
D65
KDS160E
1
2
Q37
RSU002N06
Q37
RSU002N06
D
3
G
2
S
1
TNC
CN26
B09B-CZHK-B-1(LF)(SN)
TNC
CN26
B09B-CZHK-B-1(LF)(SN)
TNC_K
1
DC+24V
2
TNC_C
3
DC+24V
4
TNC_M
5
DC+24V
6
TNC_Y
7
DC+24V
8
N.C
9
R562
2.2KJ
2.2KJ
R562
2.2KJ
2.2KJ
R559
2.2KJ
2.2KJ
R559
2.2KJ
2.2KJ
R551
2.2KJ
2.2KJ
R551
2.2KJ
2.2KJ
Q34
RSU002N06
Q34
RSU002N06
D
3
G
2
S
1
D73
KDS160E
D73
KDS160E
1
2
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