Read Sharp MX-M623U / MX-M753U (serv.man8) Service Manual online
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 95
JOBEND_INT#
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
/PPDin
<1>
/DVCH1in
<4>
/PPD#
<12>
/DVCH1#
<12>
/DVCH2#
<12>
/DVCH3#
<12>
/DVCH4#
<12>
/MPED#
<12>
/DVCH2in
<4>
/DVCH3in
<4>
/DVCH4in
<4>
/MPEDin
<4>
/MPFD1in
<4>
/MTOP2#
<12>
/MPLD1in
<4>
/T1LUD#
<12>
/MTOP2in
<4>
/MPLD1#
<12>
/T1LUDin
<4>
/MTOP1#
<12>
/T1PPDin
<4>
/T1PPD#
<12>
/MTOP1in
<4>
/MPFD1#
<12>
/MPLD2#
<12>
/MPLD2in
<4>
/T2LUD#
<12>
/T2LUDin
<4>
(/THPS1in)
<3>
/APPD2#
<12>
/APPD2in
<3>
/PFD2in
<3>
/THPS2#
<12>
(/THPS1#)
<12>
/APPD1in
<3>
/AINPD#
<12>
/THPS2in
<3>
/APPD1#
<12>
/AINPDin
<3>
/DSW-ADU#
<12>
(/POEDin)
<3>
(/POED#)
<12>
/DSW-ADUin
<3>
/PFD2#
<12>
/WEBEND2#
<12>
/WEBEND2in
<3>
/CV_CLCOPYin
<3>
/WEBEND1in
<3>
/WEBEND1#
<12>
/CV_COPY
<18>
/CV_COPYin
<3>
/CV_CLCOPY
<18>
PCU_RES#
<13>
/LSU_RST
<1>
PCU_TRG
<1>
TRANS_DAT
<1>
JOBEND_INT##
<13>
PCU_TXD#
<13>
TRANS_RST
<1>
SCK
<1>
PCU_DTR#
<13>
POF
<1>
/RSV_DAT#
<13>
/PCU_DSR
<1>
/PCU_RXD
<1>
R286
10kJ
10kJ
TP42
TP973
TP10
TP880
R5
2
3
1
0
k
J
Q27
DTC143Z
IN
GND
OUT
TP903
TP975
Q28
DTC143Z
IN
GND
OUT
C244
0.1uF
TP873
TP
TP25
TP6
IC1
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
R292
10kJ
10kJ
TP12
TP
TP878
TP972
TP430
IC55
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP9
TP923
T
C43
0.1uF
R
9
11
0
k
J
TP1002
C256
0.1uF
R294
10kJ(NM)
10kJ(NM)
C60
0.1uF
TP508
R5
1
1
1
0
k
J
TP13
TP38
TP879
R5
1
0
1
0
k
J
TP27
TP7
TP7
TP924
TP976
TP
TP26
TP
T
R280
10kJ
10kJ
IC61
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
C128
0.1uF
0.1uF
TP504
T
TP8
TP
TP434
TP1
TP891
TP998
R5
0
9
10kJ
IC27
TC74LCX14FT
I0
1
/O0
2
I1
3
/O1
4
I2
5
/O2
6
GND
7
VCC
14
I5
13
I4
11
/O4
10
I3
9
/O3
8
/O5
12
TP43
C142
0.1uF
0.1uF
TP890
R
101
10kJ
TP953
BR45
10kJ x4
10kJ x4
1
2
3
4
8
7
6
5
TP874
TP418
TP177
TP53
TP4
IC8
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP969
IC30
TC74LCX14FT
I0
1
/O0
2
I1
3
/O1
4
I2
5
/O2
6
GND
7
VCC
14
I5
13
I4
11
/O4
10
I3
9
/O3
8
/O5
12
TP997
TP889
TP107
A
B
C
4
3
2
1
PCU PWB (Logic Buffer section 1)
A
B
C
Click on the first or last page to see other MX-M623U / MX-M753U (serv.man8) service manuals if exist.