MX-M623U, MX-M753U (serv.man8). CIRCUIT DIAGRAM - Sharp Copying Equipment Service Manual (repair manual). Page 123

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MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  114
12V
12V
12V
Vref
12V
Vref
3.3V
Vref
Vref
/PCS_LEDSW
<8>
PCS_LED
<17>
PCS
<17>
PCSin
<1>
PCS_LED#
<1>
TH_CL#
<1>
TH_CL
<17>
R427
4.7kJ
C189
1000pF
TP709
+
-
IC40D
LM324D
+
-
LM324D
12
13
14
R446
10kF
C184
1000pF
R392
1MJ
TP694
TP688
R432
20kF
C206
0.1uF
D100
KDS123E
2
1
3
R431
0J(NM)
D92
KDS123E
2
1
3
C194
1000pF
C205
0.1uF(NM)
R430
0J
Q40
KTC3875S
TP687
R422
15kF(NM)
TP710
R412
4.7kF
D99
RB420d
+
-
IC40B
LM324D
+
-
5
6
7
C183
0.1uF
R365
1.5kJ 1/4W
R413
10kF
R386
100J
R387
100J
ZD10
HZS3C2
+
-
IC40A
LM324D
+
-
3
2
1
4
11
R421
10kF
+
-
IC40C
LM324D
+
-
10
9
8
C188
0.1uF
TP679
TP745
TP711
R423
82F 1/4W
R426
100J
D98
1SS355(NM)
C
D
E
4
3
2
1
15/19
C
D
E
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