DOWNLOAD Sharp MX-M623U / MX-M753U (serv.man8) Service Manual ↓ Size: 10.06 MB | Pages: 127 in PDF or view online for FREE

Model
MX-M623U MX-M753U (serv.man8)
Pages
127
Size
10.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / CIRCUIT DIAGRAM
File
mx-m623u-mx-m753u-sm8.pdf
Date
PREV: Sharp MX-M623U / MX-M753U (serv.man7) Service Manual

Sharp MX-M623U / MX-M753U (serv.man8) Service Manual ▷ View online

MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  112
3.3V
3.3V
12V
3.3V
3.3V
24V1
5VN
5VN
3.3V
Vref
FWS
<1,3,17>
FW
<17>
TH_US
<1>
FTH_US
<5>
THOPEN_US <3>
38V_MON
<18>
38VMONin
<5>
C132
1000pF
C232
22000pF(NM)
R266
3.3kJ
R270
1kF
-
+
IC28B
LM393
-
+
5
6
7
8
4
R285
4.7kF
TP444
TP479
C123
1000pF
R512
100J
C237
0.1uF
+
-
IC60D
LM339
+
-
11
10
13
TP465
R255
4.7kJ 1/4W
-
+
IC28A
LM393
-
+
3
2
1
8
4
+
-
IC60B
LM339
+
-
5
4
2
R283
4.7kJ 1/4W
+
-
IC56B
LM324D
+
-
5
6
7
TP455
R281
2kF
D80
KDS123E
2
1
3
R262
4.7kJ
R505
100J
C133
0.1uF
TP963
R287
10kF
R288
1.5kF
TP860
R513
0J(NM)
R284
15kF
R563
1kJ
R289
47kF
R257
4.7kJ
R271
10kJ
+
-
IC51B
LM339
+
-
5
4
2
TP872
TP872
TP445
TP482
+
-
IC56D
LM324D
+
-
12
13
14
R251
4.7kJ 1/4W
+
-
IC51D
LM339
+
-
11
10
13
D85
KDS123E
2
1
3
TP909
TP836
D112
KDS123E
2
1
3
R500
4.7kJ
C137
1000pF
R293
1.5kF
C
D
E
4
3
2
1
14/19
C
D
E
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
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
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  115
Vref
12V
Vref
12V
Vref
12V
Vref
MPFPWS
<18>
MPFPWS#
<1>
M1PWS
<18>
M1PWS#
<1>
TH_EX#
<1>
TH_EX
<17>
R591
100J
C262
0.1uF
TP284
R656
10kJ
R190
100J
C
9
20
.1
u
F
2
C96
1000pF
R628
100J
R188
100J
+
-
IC20A
LM358
+
-
LM358
3
2
1
8
4
D67
KDS123E
2
1
3
TP285
TP1008
+
-
IC20B
LM358
+
-
5
6
7
8
4
R646
10kF(NM)
TP286
D66
KDS123E
2
1
3
R635
10kJ(NM)
TP995
C288
1000pF(NM)
R189
100J
R1
100kJ
R46
100kJ
D138
KDS123E
2
1
3
TP287
C272
1000pF
C
9
3
0
.1uF
R187
100J
+
-
IC63A
LM358
+
-
3
2
1
8
4
A
B
C
4
3
2
1
PCU PWB (Input section 5 (Analog))
A
B
C
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