MX-M623U, MX-M753U (serv.man8). CIRCUIT DIAGRAM - Sharp Copying Equipment Service Manual (repair manual). Page 122

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MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  113
12V
Vref
Vref
Vref
12V
5VN
Vref
TH_DV#
<1>
HUD_DV
<18>
TH_DV
<18>
HUD_DV#
<1>
TSGout
<18>
TSGout#
<1>
TCS
<18>
TCSin
<1>
C8
4
0
.1
u
F
TP274
+
-
IC18C
LM324D
+
-
10
9
8
C75
0.1uF
R175
100J
R165
10kF
R184
10kF
TP227
C79
0.1uF
C72
1000pF
TP265
R181
1MJ
C87
1000pF(NM)
R186
100J
TP250
R185
100J
R185
D62
KDS123E
2
1
3
C91
1000pF
D65
KDS123E
2
1
3
TP228
D60
KDS123E
2
1
3
R176
100J
TP279
R172
15kF
C
9
00
.1
u
F
R179
10kJ
R163
10kF
R183
20kF
3
+
-
IC18A
LM324D
+
-
3
2
1
4
11
TP254
R167
100kJ
R166
47kJ
+
-
IC18D
LM324D
+
-
12
13
14
+
-
IC18B
LM324D
+
-
5
6
7
TP261
D64
KDS123E
2
1
3
C
7
3
1
000pF
3
R173
100J
A
B
C
4
3
2
1
PCU PWB (Input section 4 (Analog))
A
B
C

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