MX-2310U, MX-3111U (serv.man19). MX2310U Circuit Diagram - Sharp Copying Equipment Service Manual (repair manual). Page 120

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MX-2310  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  109
TH_US_IN
(21)
TH_LM_IN
(21)
TH_UM2_IN
(21)
REGS_C_LED#
(21)
3.3V
3.3V
3
Vref
3.3V
3.3V
Vref
12V
12V
12V
12V
Vref
3
Vref
3.3V
Vref
FTH_LM
(5)
TH_LM
(1)
THOPEN_LM
(6)
RES_C_LED
(19)
R64
200kF
R64
200kF
R53
x_180J 1/4W(3225)
R53
x_180J 1/4W(3225)
TP64
TP64
D58
x_KDR720E
D58
x_KDR720E
C125
0.1uF
C125
0.1uF
+
-
IC9B
x_LM339
+
-
IC9B
x_LM339
5
4
2
TP75
TP75
TP175
TP175
R65
24kF
R65
24kF
TP26
TP26
R63
300kF
R63
300kF
C88
0.1uF
C88
0.1uF
KDS123E
D3
KDS123E
D3
R116
19.1kF
R116
19.1kF
R113
2kF
R113
2kF
R66
300kF
R66
300kF
R232
100J
R232
100J
+
-
IC8C
LM339
+
-
IC8C
LM339
9
8
14
R110
1kJ
R110
1kJ
R61
200kF
R61
200kF
C22
0.1uF
C22
0.1uF
+
-
IC7B
LM324F
+
-
IC7B
LM324F
5
6
7
+
-
IC8D
LM339
+
-
IC8D
LM339
11
10
13
R71
300kF
R71
300kF
R187
x_0J
R187
x_0J
R109
x_0J
R109
x_0J
KDS123E
D5
KDS123E
D5
TP129
TP129
+
-
IC9C
x_LM339
+
-
IC9C
x_LM339
9
8
14
RB420
D31
RB420
D31
+
-
IC7C
LM324F
+
-
IC7C
LM324F
10
9
8
TP62
TP62
C21
0.1uF
C21
0.1uF
R112
19.1kF
R112
19.1kF
C87
x_1000pF
C87
x_1000pF
TP117
TP117
R107
x_0J
R107
x_0J
TP58
TP58
C50
OPEN_C
C50
OPEN_C
+
-
IC7D
LM324F
+
-
IC7D
LM324F
12
13
14
R62
24kF
R62
24kF
TP60
TP60
RB420
D32
RB420
D32
R68
24kF
R68
24kF
R117
2kF
R117
2kF
R185
1MJ
R185
1MJ
+
-
IC9A
x_LM339
+
-
IC9A
x_LM339
7
6
1
3
12
+
-
IC7A
LM324F
+
-
IC7A
LM324F
3
2
1
4
11
R114
19.1kF
R114
19.1kF
TP53
TP53
R188
300J
R188
300J
Q8
x_KTC4075
Q8
x_KTC4075
C91
0.1uF
C91
0.1uF
R115
2kF
R115
2kF
RB420
D30
RB420
D30
C20
0.1uF
C20
0.1uF
KDS123E
D7
KDS123E
D7
TP57
TP57
TP59
TP59
R183
x_33J
R183
x_33J
R121
10kF
R121
10kF
R119
10kJ
R119
10kJ
R182
0J
R182
0J
TP56
TP56
TP124
TP124
R120
620F
R120
620F
R67
200kF
R67
200kF
+
-
IC8B
LM339
+
-
IC8B
LM339
5
4
2
+
-
IC9D
x_LM339
+
˴
IC9D
x_LM339
11
10
13
4
3
2
1
PCU PWB (Input section 3 (Analog))
A
B
C
A
B
C

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