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 – 90
DSW_F<24V>
DSW_F
DSW_F<24V>
3.3V
INT24V1
3.3V
PGND
3.3V
5VN
3.3V
5VN
DSW_R
(4)
DSW_R<24V>
(16)
DSW_F
(4)
DSW_F<24V>
(16)
5)
4)
4)
/INT_CNT
(17)
INT_CNT
(1)
<1TCSET>
(5)
<2TCSET>
(5)
2TCSET
(16)
DRSET
(18)
<DRSET>
(4)
1TCSET
(18)
2
1
3
D124
BAV99W
D124
BAV99W
TP816
TP816
TP790
TP790
D132
1SS355
D132
1SS355
2
1
3
D38
BAV99W
D38
BAV99W
R
7
5
10k
J
R
7
5
10k
J
2
1
3
D123
BAV99W
D123
BAV99W
2
1
3
D33
BAV99W
D33
BAV99W
R64
4
.7k
J
R64
4
.7k
J
TP788
TP788
C
208
100pF
C
208
100pF
R
466
10k
J
R
466
10k
J
Source
1
Source
2
Source
3
Gate
4
Drain
5
Drain
6
Drain
7
Drain
8
IC52
TPC8109
IC52
TPC8109
R74
1kJ
R74
1kJ
R465
1kJ
R465
1kJ
R65
1kJ
R65
1kJ
C294
0.1uF
C294
0.1uF
C1
6
100pF
C1
6
100pF
R629
5.6kJ 1/4W
R629
5.6kJ 1/4W
C293
0.1uF
C293
0.1uF
R628
3.3kJ
R628
3.3kJ
R642
2.4kJ 1/4W
R642
2.4kJ 1/4W
R625
3.3kJ
R625
3.3kJ
C1
1
100pF
C1
1
100pF
2
1
3
D82
BAV99W
D82
BAV99W
D130
1SS355
D130
1SS355
IN
GND
OUT
Q43
KRC102S
Q43
KRC102S
D131
1SS355
D131
1SS355
R626
22kF
R626
22kF
R289
10kJ
R289
10kJ
R627
22kF
R627
22kF
+
C295
47u/35V
+
C295
47u/35V
TP811
TP811
C
D
E
C
D
E
4
3
2
1
12/19
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 91
3.3V
5VN
Vref
3.3V
3.3V
Vref
Vref
3.3V
Vref
12V
3.3V
12V
3.3V
Vref
3.3V
3.3V
Vref
12V
12V
12V
12V
12V
FTH_LOW
(3)
TH_LOW
(1)
THOPEN_LOW (5)
TH_LOW_IN
(17)
TH_SUB_IN
(17)
TSG_Bk#
(15)
TSG_C#
(15)
TSG_M#
(15)
TSG_Y#
(15)
TH_EX1
(1)
THOPEN_EX1 (1)
TH_EX1_IN
(17)
FTH_EX1
(3)
R592
200kF
R592
200kF
TP762
TP762
C273
0.1uF
C273
0.1uF
5
4
2
+
-
IC35
LM339
+
-
IC35
LM339
R555
300J
R555
300J
TP342
TP342
R358
OPEN_R
R358
OPEN_R
TP763
TP763
2
1
3
D126
BAV99W
D126
BAV99W
R516
200kF
R516
200kF
R613
24kF
R613
24kF
2
1
3
D127
BAV99W
D127
BAV99W
R259
OPEN_R
R259
OPEN_R
R400
10kJ
R400
10kJ
1
1
C260
0.1uF
C260
0.1uF
C261
0.1uF
C261
0.1uF
TP517
TP517
3
2
1
4
11
+
-
IC42A
LM324F
+
-
IC42A
LM324F
TP629
TP629
R549
19.1kF
R549
19.1kF
R591
300kF
R591
300kF
C281
22000pF
C281
22000pF
R552
19.1kF
R552
19.1kF
TP709
TP709
R598
100J
R598
100J
R532
24kF
R532
24kF
9
8
14
+
-
IC41C
LM339
+
-
IC41C
LM339
C103
1000pF
C103
1000pF
R583
1kJ
R583
1kJ
C291
22000pF
C291
22000pF
R556
x_0J
R556
x_0J
R548
300kF
R548
300kF
D103
MA704
D103
MA704
R557
x_0J
R557
x_0J
R596
x_0J
R596
x_0J
TP720
TP720
TP290
TP290
9
8
14
+
-
IC35C
LM339
+
-
IC35C
LM339
2
1
3
D121
BAV99W
D121
BAV99W
TP562
TP562
7
6
1
3
12
+
-
IC41A
LM339
+
-
IC41A
LM339
C290
22000pF
C290
22000pF
TP257
TP257
R473
620F
R473
620F
C141
1000pF
C141
1000pF
C316
OPEN_C
C316
OPEN_C
R403
10kF
R403
10kF
C101
1000pF
C101
1000pF
TP718
TP718
R546
1kJ
R546
1kJ
TP341
TP341
R531
24kF
R531
24kF
5
6
7
4
11
+
-
IC42B
LM324F
+
-
IC42B
LM324F
TP309
TP309
R550
2kF
R550
2kF
7
6
1
3
12
+
-
IC35A
LM339
+
-
IC35A
LM339
C140
1000pF
C140
1000pF
R554
100J
R554
100J
TP516
TP516
R590
19.1kF
R590
19.1kF
R474
10kF
R474
10kF
R597
300J
R597
300J
R424
620F
R424
620F
D116
MA704
D116
MA704
R589
2kF
R589
2kF
TP308
TP308
C314
OPEN_C
C314
OPEN_C
10
9
8
4
11
+
-
IC42C
LM324F
+
-
IC42C
LM324F
2
1
3
D105
x_BAV99W
D105
x_BAV99W
TP710
TP710
R402
10kF
R402
10kF
TP766
TP766
TP340
TP340
R551
300kF
R551
300kF
TP343
TP343
R468
10kJ
R468
10kJ
R359
OPEN_R
R359
OPEN_R
C249
0.1uF
C249
0.1uF
TP721
TP721
TP767
TP767
1
R514
200kF
R514
200kF
R258
10kF
R258
10kF
R553
2kF
R553
2kF
R423
620F
R423
620F
5
4
2
+
-
IC41
LM33
+
-
IC41
LM33
2
1
3
D112
x_BAV99W
D112
x_BAV99W
D104
MA704
D104
MA704
A
B
C
A
B
C
4
3
2
1
PCU PWB (Input section 3 (Analog))
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 92
TCS_V
TCS_V
TCS_V
TCS_V
TCS_V
3.3V
5VN
12V
3.3V
3.3V
3.3V
3.3V
3.3V
12V
12V
12V
12V
3.3V
5VN
FTH_SUB
(3)
TH_SUB
(1)
THOPEN_SUB (5)
TCS_Y#
(1)
TCS_M#
(1)
TCS_C#
(1)
TCS_K#
(1)
TCS_Y
(17)
TCS_M
(17)
TCS_C
(17)
TCS_K
(17)
TSG_BK
(17)
TSG_C
(17)
TSG_M
(17)
TSG_Y
(17)
2
1
3
D106
x_BAV99W
D106
x_BAV99W
R180
1kJ
R180
1kJ
R252
100J
R252
100J
R257
20kF
R257
20kF
R547
1kJ
R547
1kJ
C250
0.1uF
C250
0.1uF
2
IC35B
39
IC35B
39
R279
1kJ
R279
1kJ
3
2
1
4
11
+
-
IC22A
LM324F
+
-
IC22A
LM324F
TP716
TP716
R559
100J
R559
100J
2
1
3
D56
x_BAV99W
D56
x_BAV99W
R239
0J
R239
0J
C102
0.1uF
C102
0.1uF
TP189
TP189
R315
100J
R315
100J
12
13
14
+
-
IC22D
LM324F
+
-
IC22D
LM324F
TP231
TP231
R240
0J
R240
0J
R357
0J
R357
0J
R422
10kJ
R422
10kJ
TP153
TP153
C99
0.1uF
C99
0.1uF
TP188
TP188
TP259
TP259
R260
0J
R260
0J
12
13
14
+
-
IC17D
LM324F
+
-
IC17D
LM324F
2
1
3
D63
x_BAV99W
D63
x_BAV99W
TP234
TP234
R179
1kJ
R179
1kJ
TP232
TP232
R255
OPEN_R
R255
OPEN_R
R280
100kJ
R280
100kJ
R281
1kJ
R281
1kJ
TP186
TP186
TP261
TP261
2
1
3
D55
x_BAV99W
D55
x_BAV99W
TP258
TP258
R241
OPEN_R
R241
OPEN_R
2
1
3
D62
BAV99W
D62
BAV99W
R283
100kJ
R283
100kJ
R558
300J
R558
300J
R238
OPEN_R
R238
OPEN_R
5
6
7
+
-
IC17B
LM324F
+
-
IC17B
LM324F
R251
OPEN_R
R251
OPEN_R
TP187
TP187
R253
0J
R253
0J
TP260
TP260
2
1
3
D68
x_BAV99W
D68
x_BAV99W
C129
0.1uF
C129
0.1uF
R213
0J
R213
0J
7
B
24F
B
24F
09
09
R181
100kJ
R181
100kJ
R320
100J
R320
100J
5
6
7
+
-
IC22B
LM324F
+
-
IC22B
LM324F
C68
0.1uF
C68
0.1uF
TP233
TP233
R256
100J
R256
100J
2
1
3
D61
x_BAV99W
D61
x_BAV99W
C209
0.1uF
C209
0.1uF
08
08
R177
x_0J
R177
x_0J
2
1
3
D60
x_BAV99W
D60
x_BAV99W
C315
OPEN_C
C315
OPEN_C
C133
0.1uF
C133
0.1uF
40
40
43
43
R178
100kJ
R178
100kJ
2
1
3
D69
x_BAV99W
D69
x_BAV99W
10
9
8
+
-
IC22C
LM324F
+
-
IC22C
LM324F
3
2
1
4
11
+
-
IC17A
LM324F
+
-
IC17A
LM324F
10
9
8
+
-
IC17C
LM324F
+
-
IC17C
LM324F
R254
0J
R254
0J
C100
0.1uF
C100
0.1uF
2
IC41B
LM339
IC41B
LM339
R360
0J
R360
0J
TP717
TP717
C
D
E
C
D
E
4
3
2
1
13/19
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 93
TH_MAIN#
TH_MAIN_CS#
TH_MAIN#
Vref
3.3V
Vref
5VN
5VN
Vref
3.3V
5VN
5VN
3.3V
Vref
5VN
12V
Vref
3.3V
12V
Vref
3.3V
3.3V
Vref
12V
5VN
TH_MAIN_CS_IN
(17)
TH_MAIN
(1)
FTH_MAIN
(3)
TH_MAIN_IN
(17)
THOPEN_MAIN (5)
FTH_EX2
(3)
TH_EX2
(1)
THOPEN_EX2
(4)
TH_EX2_IN
(17)
C187
OPEN_C
C187
OPEN_C
R345
10kJ
R345
10kJ
R588
300kF
R588
300kF
5
4
2
+
-
IC32B
LM339
+
-
IC32B
LM339
TP511
TP511
TP383
TP383
R593
100J
R593
100J
TP771
TP771
3
2
1
4
11
+
-
IC36A
LMV824
+
-
IC36A
LMV824
TP454
TP454
C317
OPEN_C
C317
OPEN_C
R390
180B (+/-0.1%)
R390
180B (+/-0.1%)
9
8
+
-
+
-
C195
0.1uF
C195
0.1uF
R425
OPEN_R
R425
OPEN_R
TP768
TP768
R586
200kF
R586
200kF
R476
100kB (+/-0.1%)
R476
100kB (+/-0.1%)
R348
180B (+/-0.1%)
R348
180B (+/-0.1%)
C192
0.1uF
C192
0.1uF
TP764
TP764
R406
22kF
R406
22kF
R584
1kJ
R584
1kJ
R438
20kB (+/-0.1%)
R438
20kB (+/-0.1%)
11
10
+
-
+
-
12
13
14
4
11
+
-
IC36D
LMV82
+
-
IC36D
LMV82
TP630
TP630
2
1
3
D122
BAV99W
D122
BAV99W
R587
19.1kF
R587
19.1kF
C193
0.1uF
C193
0.1uF
D115
MA704
D115
MA704
R404
100J
R404
100J
TP512
TP512
R612
24kF
R612
24kF
R478
20kB (+/-0.1%)
R478
20kB (+/-0.1%)
2
1
3
D74
x_BAV99W
D74
x_BAV99W
TP765
TP765
R595
x_0J
R595
x_0J
R405
1kJ
R405
1kJ
TP593
TP593
11
10
13
+
-
IC41D
LM339
+
-
IC41D
LM339
R367
x_10kJ
R367
x_10kJ
2
1
3
D117
x_BAV99W
D117
x_BAV99W
R472
620F
R472
620F
R477
100kB (+/-0.1%)
R477
100kB (+/-0.1%)
TP453
TP453
R349
33kB (+/-0.1%)
R349
33kB (+/-0.1%)
R350
19.1kF
R350
19.1kF
TP382
TP382
C272
0.1uF
C272
0.1uF
R471
10kF
R471
10kF
R409
22kF
R409
22kF
C194
OPEN_C
C194
OPEN_C
C280
22000pF
C280
22000pF
R469
10kJ
R469
10kJ
R365
1kJ
R365
1kJ
11
10
13
+
-
IC35D
LM339
+
-
IC35D
LM339
2
1
3
D120
BAV99W
D120
BAV99W
TP513
TP513
R347
10kB (+/-0.1%)
R347
10kB (+/-0.1%)
10
9
8
4
11
+
-
IC36C
LMV82
+
-
IC36C
LMV82
C222
OPEN_C
C222
OPEN_C
R585
2kF
R585
2kF
R407
19.1kF
R407
19.1kF
R351
2kF
R351
2kF
C196
0.1uF
C196
0.1uF
TP627
TP627
R389
10kB (+/-0.1%)
R389
10kB (+/-0.1%)
TP510
TP510
R594
300J
R594
300J
C161
0.1uF
C161
0.1uF
2
1
3
D128
BAV99W
D128
BAV99W
R374
33kB (+/-0.1%)
R374
33kB (+/-0.1%)
7
6
1
3
12
+
-
IC32A
LM339
+
-
IC32A
LM339
C319
OPEN_C
C319
OPEN_C
R391
2kF
R391
2kF
12
13
14
4
11
+
-
IC42D
LM324F
+
-
IC42D
LM324F
TP514
TP514
A
B
C
A
B
C
4
3
2
1
PCU PWB (Input section 4 (Analog))
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