MX-4140N, MX-4141N, MX-5140N, MX-5141N (serv.man9). Circuit Diagram. - Sharp Copying Equipment Service Manual (repair manual). Page 127

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MX-5141  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  2 –  113
3.3V
3.3V
Vref
3.3V
Vref
3.3V
3.3V
Vref
Vref
12V
12V
Vref
Vref
Vref
Vref
Vref
12V
FTH_LM
<9>
TH_LM
<1>
THOPEN_LM
<3>
TH_LM_IN
<19>
TH_US_IN
<19>
TH_EX1
<1>
THOPEN_EX1 <3>
TH_EX1_IN
<19>
FTH_EX1
<9>
TH_UM_IN
<14,19>
TH_UM
<1,14>
TH_UM2_IN
<19>
R522
4.7kJ
R522
4.7kJ
TP437
TP437
R523
x_10kF
R523
x_10kF
D111
x_KDS123E
D111
x_KDS123E
2
1
3
R358
x_10kJ
R358
x_10kJ
R530
100J
R530
100J
R365
OPEN_R
R365
OPEN_R
C165
0.1uF
C165
0.1uF
D98
RB420d
D98
RB420d
TP709
TP709
R409
200kF
R409
200kF
R408
2kF
R408
2kF
+
-
IC37A
LM339
+
-
IC37A
LM339
7
6
1
3
12
R502
300J
R502
300J
R391
200kF
R391
200kF
D100
x_KDS123E
D100
x_KDS123E
2
1
3
C131
22000pF
C131
22000pF
TP546
TP546
R335
24kF
R335
24kF
R527
x_620F
R527
x_620F
R410
24kF
R410
24kF
TP704
TP704
C148
0.1uF/50V
C148
0.1uF/50V
R392
24kF
R392
24kF
+
-
IC43D
LM324D
+
-
IC43D
LM324D
12
13
14
4
11
D110
RB420d
D110
RB420d
TP473
TP473
TP358
TP358
D9
x_KDS
D9
x_KDS
2
1
R366
300kF
R366
300kF
R501
100J
R501
100J
C174
x_22000pF
C174
x_22000pF
R528
OPEN_R
R528
OPEN_R
+
-
IC46D
x_LM339
+
-
IC46D
x_LM339
11
10
13
3
12
R485
x_0J
R485
x_0J
TP357
TP357
R360
1kJ
R360
1kJ
R484
x_0J
R484
x_0J
R359
1kJ
R359
1kJ
D132
KDS123E
D132
KDS123E
2
1
3
C160
x_0.1uF/50V
C160
x_0.1uF/50V
C126
22000pF
C126
22000pF
+
-
IC43C
LM324D
+
-
IC43C
LM324D
10
9
8
R525
x_10kF
R525
x_10kF
D105
RB420d
D105
RB420d
R334
200kF
R334
200kF
+
-
IC37C
LM339
+
-
IC37C
LM339
9
8
14
C173
x_22000pF
C173
x_22000pF
R411
300kF
R411
300kF
TP507
TP507
TP710
TP710
TP705
TP705
R362
24kF
R362
24kF
+
-
IC46C
x_LM339
+
-
IC46C
x_LM339
9
8
14
R405
19.1kF
R405
19.1kF
R524
4.7kJ
R524
4.7kJ
R407
19.1kF
R407
19.1kF
D99
x_KDS123E
D99
x_KDS123E
2
1
3
R406
2kF
R406
2kF
C176
0.1uF
C176
0.1uF
D130
KDS123E
D130
KDS123E
2
1
3
D97
D97
C113
0.1uF/50V
C113
0.1uF/50V
TP544
TP544
TP712
TP712
TP545
TP545
R526
x_620F
R526
x_620F
TP707
TP707
R363
200kF
R363
200kF
R531
300J
R531
300J
4
3
2
1
PCU PWB (Input section 3 (Analog))
A
B
C
A
B
C
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