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 – 78
RES_FIN
RES_DSK
RES_FIN
RES_DSK
5VN
3.3V
5VN
3.3V
5VN
3.3V
3.3V
12V
12V
3.3V
PGND
24V3
TxD_FIN
TxD_FIN
(17)
/RxD_FIN
(1)
TR_FIN
/DTR_FIN
(17)
DSR_FIN
(4)
RES_FIN
(17)
RES_FINin
(4)
TxD_DSK
(18)
/RxD_DSK
(1)
/DTR_DSK
(18)
/DSR_DSK
(4)
RES_DSK
(18)
RES_DSKin
(4)
/TRC_DSK
(18)
/HL_PR
(7,18)
PTPULSE
(1)
/HLPCS#
(17)
TxD_LCC
TxD_LCC
(18)
/RxD_LCC
(1)
/FUM_D
(17)
WH_CNT
(4)
/WH_CNT
(18)
P801
P801
D50
1SS355
D50
1SS355
R459
4.7k
J
R459
4.7k
J
7
6
1
3
12
+
-
IC7A
LM339
+
-
IC7A
LM339
D21
x_1SS355
D21
x_1SS355
R194
470kJ
R194
470kJ
R193
10kJ
R193
10kJ
R141
47kJ
R141
47kJ
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
IC38
TD62503FG
IC38
TD62503FG
TP150
TP150
TP596
TP596
R90
2kJ
R90
2kJ
5
4
2
+
-
IC7B
LM339
+
-
IC7B
LM339
R121
10kJ
R121
10kJ
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
IC9
TD62503FG
IC9
TD62503FG
R577
1kJ
R577
1kJ
C47
1uF/16V
C47
1uF/16V
IN
GND
OUT
Q38
KRC106S
Q38
KRC106S
TP565
TP565
C33
0.1uF
C33
0.1uF
9
8
14
+
-
IC7C
LM339
+
-
IC7C
LM339
TP594
TP594
TP62
TP62
11
10
13
+
-
IC7D
LM339
+
-
IC7D
LM339
D119
1SS355
D119
1SS355
TP636
TP636
C230
0.1uF
C230
0.1uF
TP63
TP63
TP68
TP68
57
SD1898
57
SD1898
R123
10kF
R123
10kF
R96
1kJ
R96
1kJ
TP148
TP148
TP118
TP118
1
2
3
4
8
7
6
5
BR44
4.7kJ x4
BR44
4.7kJ x4
C6
0
2.2uF/10V
C6
0
2.2uF/10V
R195
100J
R195
100J
R95
1kJ
R95
1kJ
C62
0
.1uF
C62
0
.1uF
R509
1kJ
R509
1kJ
R89
10kJ
R89
10kJ
Q17
2SC2411K
Q17
2SC2411K
TP23
TP23
R492
1kJ
R492
1kJ
TP146
TP146
TP117
TP117
R494
10k
J
R494
10k
J
R495
4.7k
J
R495
4.7k
J
TP149
TP149
1
2
3
4
8
7
6
5
BR3
4.7kJ x4
BR3
4.7kJ x4
R140
1.5kF
R140
1.5kF
TP137
TP137
R122
4.7kF
R122
4.7kF
R120
10kJ
R120
10kJ
(G)
(D)
(S)
Q37
2SK3018
(G)
(D)
(S)
Q37
2SK3018
R200
10k
J
R200
10k
J
R196
4.7kJ
R196
4.7kJ
TP147
TP147
TP144
TP144
R197
10kJ
R197
10kJ
C
D
E
C
D
E
4
3
2
1
6/19
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 79
PROFM2_CNT
PROFM2_V_L
FUFM_CNT
FUFM_V_L
FUFM_CNT
PROFM2_V_L
PROFM2_CNT
FUFM_V_L
INT5V
5VN
3.3V
5VN
5VN
5VN
5VN
5VN
5VN
5VN
3.3V
5VN
3.3V
HL_MAIN#
(4)
HLOUT_EX
(18)
HL_LOW#
(4)
HLOUT_LOW
(18)
HL_EX#
(4)
PROFM2_CNT
(4)
(5
HLOUT_MAIN (18)
HL_
(1)
PROFM2_LD
(17)
<FAN_LD4>
(1)
FUFM_LD
(17)
<FAN_LD2>
(5)
FUFM_CNT
(4)
POFM_LD
(16)
<FAN_LD1>
(5)
PROFM1_LD
(17)
<FAN_LD3>
(4)
PSFM_LD
(18)
<FAN_LD5>
(4)
PSFM_V#
(4)
PROFM2_V#
(4)
FUFM_V#
(4)
FUM_CK
(1)
/FUM_CK
(17)
LSUFM_LD
(18)
<FAN_LD6>
(4)
FTH_ALL#
(3)
HDDFM_LD
(18)
VFM_EX_LD
(18)
D6
1SS355
D6
1SS355
R47
x_0J
R47
x_0J
TP263
TP263
C23
x_100pF
C23
x_100pF
C146
x_100pF
C146
x_100pF
C18
x_100pF
C18
x_100pF
2
1
3
D96
BAV99W
D96
BAV99W
TP54
TP54
R486
1kJ
R486
1kJ
R60
82J
R60
82J
C321
x_100p
C321
x_100p
R76
4.7kJ
R76
4.7kJ
C320
0.1uF
C320
0.1uF
R62
82J
R62
82J
1
2
3
Q4
KRA119S
Q4
KRA119S
TP84
TP84
R63
82J
R63
82J
R46
x_0J
R46
x_0J
R25
0J
R25
0J
IN
GND
OUT
Q19
KRC102S
Q19
KRC102S
C236
x_100pF
C236
x_100pF
IN
GND
OUT
Q45
KRC102S
Q45
KRC102S
R530
1kJ
R530
1kJ
TP21
TP21
2
1
3
D39
x_BAV99W
D39
x_BAV99W
TP53
TP53
R637
1kJ
R637
1kJ
TP712
TP712
R26
0J
R26
0J
R513
4.7kJ
R513
4.7kJ
IN
GND
OUT
Q58
KRC102S
Q58
KRC102S
TP19
TP19
TP58
TP58
R221
1kJ
R221
1kJ
1
2
3
Q5
KRA119S
Q5
KRA119S
2
1
3
D40
x_BAV99W
D40
x_BAV99W
R362
4.7kJ
R362
4.7kJ
R49
4.7kJ
R49
4.7kJ
TP55
TP55
TP86
TP86
1
2
3
Q6
KRA119S
Q6
KRA119S
R77
4.7kJ
R77
4.7kJ
TP56
TP56
R58
82J
R58
82J
TP20
TP20
C17
x_100pF
C17
x_100pF
IN
GND
OUT
Q48
KRC102S
Q48
KRC102S
2
1
3
D73
x_BAV99W
D73
x_BAV99W
IN
GND
OUT
Q52
KRC102S
Q52
KRC102S
C220
x_100pF
C220
x_100pF
2
1
3
D81
x_BAV99W
D81
x_BAV99W
TP57
TP57
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
IC16
TD62503FG
IC16
TD62503FG
TP32
TP32
D5
1SS355
D5
1SS355
TP85
TP85
R61
82J
R61
82J
R484
4.7kJ
R484
4.7kJ
D7
1SS355
D7
1SS355
R129
1kJ
R129
1kJ
R361
1kJ
R361
1kJ
R59
82J
R59
82J
IN
GND
OUT
Q36
KRC102S
Q36
KRC102S
A
B
C
A
B
C
4
3
2
1
PCU PWB (Driver section 2)
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 80
PGND
12V
3.3V
3.3V
5VN
12V
5VN
24V3
24V3
24V3
PGND
PGND
PGND
5VN
3.3V
5VN
3.3V
5VN
3.3V
/PROFM2_CNT (17)
/HV_REM#
(5)
HV_REM#
(17)
HL_PR
/HL_PR
(6,18)
/FUFM_CNT
(17)
PROFM2_V
(17)
PSFM_V
(18)
FUFM_V
(17)
<FAN_LD8>
(4)
<FAN_LD7>
(4)
FM_LD
(18)
<FAN_LD0>
(4)
R27
4.7KJ
R27
4.7KJ
R660
1kJ
R660
1kJ
A
K
D86
x_RLS-73
D86
x_RLS-73
TP47
TP47
R28
100J
R28
100J
TP298
TP298
TP297
TP297
IN
GND
OUT
Q69
x_KRC102S
Q69
x_KRC102S
R482
47kJ
R482
47kJ
TP683
TP683
TP15
TP15
TP49
TP49
R497
4.7kJ 1/4W
R497
4.7kJ 1/4W
TP656
TP656
Q3
x_2SA2056
Q3
x_2SA2056
321
100pF
321
100pF
TP25
TP25
R37
4.7kJ 1/4W
R37
4.7kJ 1/4W
R327
100J
R327
100J
TP4
TP4
320
1uF
320
1uF
R125
x_10kJ
R125
x_10kJ
R496
47kJ
R496
47kJ
1
2
3
Q44
KRA119S
Q44
KRA119S
TP711
TP711
D9
1SS355
D9
1SS355
1
2
3
Q10
KRA119S
Q10
KRA119S
Q9
2SA2056
Q9
2SA2056
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
IC3
TD62503FG
IC3
TD62503FG
TP45
TP45
R328
100J
R328
100J
TP24
TP24
Q50
2SA2056
Q50
2SA2056
A
K
D2
x_RLS-73
D2
x_RLS-73
R36
47kJ
R36
47kJ
R662
x_4.7kJ
R662
x_4.7kJ
TP46
TP46
IN
GND
OUT
Q67
KRC102S
Q67
KRC102S
IN
GND
OUT
Q68
x_KRC102S
Q68
x_KRC102S
2
1
3
D140
x_BAV99W
D140
x_BAV99W
D14
1SS355
D14
1SS355
Q11
2SA2056
Q11
2SA2056
TP69
TP69
R38
4.7kJ 1/4W
R38
4.7kJ 1/4W
TP28
TP28
R128
4.7kJ 1/4W
R128
4.7kJ 1/4W
R659
x_4.7kJ
R659
x_4.7kJ
A
K
D92
RLS-73
D92
RLS-73
R663
1kJ
R663
1kJ
A
K
D19
RLS-73
D19
RLS-73
TP682
TP682
R470
4.7kJ
R470
4.7kJ
TP703
TP703
TP70
TP70
R88
47kJ
R88
47kJ
2
1
3
D138
x_BAV99W
D138
x_BAV99W
D91
1SS355
D91
1SS355
R15
47kJ
R15
47kJ
2
1
3
D139
x_BAV99W
D139
x_BAV99W
TP48
TP48
TP655
TP655
TP90
TP90
R29
100J
R29
100J
C322
x_100pF
C322
x_100pF
Q49
x_2SA2056
Q49
x_2SA2056
R658
1kJ
R658
1kJ
TP31
TP31
R483
4.7kJ 1/4W
R483
4.7kJ 1/4W
R124
10kJ
R124
10kJ
C
D
E
C
D
E
4
3
2
1
7/19
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 81
PROFM1_CNT
POFM_V_L
POFM_CNT
/CLUM
POFM_V_L
POFM_CNT
PGND
24V3
PGND
PGND
5VN
24V3
12V
PGND
PGND
PGND
PGND
PGND
24V3
12V
PGND
PGN
PGN
POFM_CNT
(4)
PROFM1_CNT
(4)
/PROFM1_CNT (17)
/POFM_CNT
(16)
/CLUM
(18)
POFM_V#
(4)
PROFM1_V#
(4)
CLUM1
(3)
LSUFM_V
(18)
LSUFM_V#
(4)
LSUFM_V_L#
(4)
VFM_EX_V_L#
(3)
VFM_EX_V
(18)
VFM_EX_V#
(3)
HDDFM_V_L#
(3)
HDDFM_V#
(3)
/VFM_EX_CNT (18)
Q7
2SA2056
Q7
2SA2056
TP425
TP425
R420
10kJ
R420
10kJ
R346
x_4.7kJ 1/4W
R346
x_4.7kJ 1/4W
TP2
TP2
IN
GND
OUT
Q2
KRC102S
Q2
KRC102S
R372
0J
R372
0J
R370
x_0J
R370
x_0J
D23
1SS355
D23
1SS355
A
K
D1
RLS-73
D1
RLS-73
Q61
x_2SA2056
Q61
x_2SA2056
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
IC33
TD62503FG
IC33
TD62503FG
IN
GND
OUT
Q46
x_KRC102S
Q46
x_KRC102S
R34
47kJ
R34
47kJ
R371
0J
R371
0J
TP822
TP822
R661
x_4.7kJ
R661
x_4.7kJ
F2
0603SFF100FM
F2
0603SFF100FM
TP50
TP50
TP423
TP423
R369
x_47kJ
R369
x_47kJ
TP823
TP823
IN
GND
OUT
Q8
KRC102S
Q8
KRC102S
TP18
TP18
R54
4.7k
R54
4.7k
A
K
D17
RLS-73
D17
RLS-73
R161
2kJ(1/2W)
R161
2kJ(1/2W)
TP483
TP483
TP725
TP725
IN
GND
OUT
Q63
KRC102S
Q63
KRC102S
D22
1SS355
D22
1SS355
D77
x_1SS355
D77
x_1SS355
R48
4.7kJ 1/4W
R48
4.7kJ 1/4W
TP828
TP828
IN
GND
OUT
Q60
x_KRC102S
Q60
x_KRC102S
TP52
TP52
TP17
TP17
Q18
2SA2056
Q18
2SA2056
TP829
TP829
TP359
TP359
R419
10kJ
R419
10kJ
A
K
D18
x_RLS-73
D18
x_RLS-73
R387
x_4.7kJ 1/4W
R387
x_4.7kJ 1/4W
TP360
TP360
D8
1SS355
D8
1SS355
R
143
20k
J
R
143
20k
J
R14
4.7kJ 1/4W
R14
4.7kJ 1/4W
TP393
TP393
R
142
20k
J
R
142
20k
J
TP724
TP724
TP51
TP51
R401
x_47kJ
R401
x_47kJ
TP67
TP67
TP427
TP427
IN
GND
OUT
Q64
KRC102S
Q64
KRC102S
TP394
TP394
R13
47kJ
R13
47kJ
Q25
2SB1240
Q25
2SB1240
Q62
x_2SA2056
Q62
x_2SA2056
TP458
TP458
A
K
D20
x_RLS-73
D20
x_RLS-73
R35
4.7kJ 1/4W
R35
4.7kJ 1/4W
R511
4.7kJ 1/4
R511
4.7kJ 1/4
Q1
2SA2056
Q1
2SA2056
TP821
TP821
5
4
3
5
4
3
D
C
B
A
PCU PWB (Driver section 3)
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