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 – 105
3.3V
24V1
24V1
24V1
24V1
5VN
5VN
5VN
3.3V
3.3V
3.3V
3.3V
HL_US#
<3>
HL_UA#
<3>
HLPR
<3>
HL_UM#
<3>
<5>
TM1a#
<7>
TM1b#
<7>
/TM1SA
<17>
/TM1SB
<17>
TM2a#
<7>
TM2b#
<7>
TM2Aout
<17>
TM2Bout
<17>
WEBM1A#
<7>
WEBM1B#
<7>
WEBM1Aout
<17>
WEBM1Bout
<17>
WEBM2A#
<7>
WEBM2B#
<7>
WEBM2Aout
<17>
WEBM2Bout
<17>
CRUM_SCL
<7>
CRUM_CLK
<17>
CRUM_DAT A <17>
CRUM_SDA
<3>
(/TNCRU)
<6>
(TNCRU_T#)
<7>
TNCRU
<17>
TCBias
<3>
/
(DA_SCL)
<3>
(DA_SDA)
<3>
DL#
<3>
HL_UW
<1>
TM1SA
<4>
/TM1SXA
<17>
/TM1SXB
<17>
TM1SB
<4>
TM1SXA
<4>
TM1SXB
<4>
R497
20kJ
20kJ
R
1
1
R3
4
9
2kJ(
N
M
)
TP639
TP840
IC24
STA481A
1
1
I1
2
O1
3
I2
4
O2
5
I3
6
O3
7
I4
8
O4
9
10
10
R200
1.5kJ
TP852
+
C271
10u/35V
10u/35V
+
C277
0.1u/50V
0.1u/50V
D74
KDS123E
2
1
3
TP902
R226
2kJ
2kJ
R209
0J
0J
TP834
TP821
C77
0.1u/50V
0.1u/50V
+
C289
10u/35V
10u/35V
+
C287
0.1u/50V
0.1u/50V
IC62
BD6231F
VRFE
6
FIN
4
RIN
5
GND
8
OUT2
7
OUT1
1
VCC
2
VCC
3
R244
10kJ(NM)
10kJ(NM)
R214
1.5kJ
R248
270J 1/4W(NM)
270J 1/4W(NM)
R554
4.7kJ
4.7kJ
R232
100J
IC64
BD6231F
VRFE
6
FIN
4
RIN
5
GND
8
OUT2
7
OUT1
1
VCC
2
VCC
3
C76
0.1u/50V(NM)
0.1u/50V(NM)
D75
KDS123E
2
1
3
TP950
R219
1.5kJ
R351
33J(NM)
Q32
DTA143Z
DTA143Z
1
R496
1kJ
6
Q19
DTC143Z
IN
GND
OUT
Q58
DTA143Z
DTA143Z
2
1
3
R249
8.2J/3W(NM)
8.2J/3W(NM)
R208
0J
0J
R221
100J
+
C88
10u/35V(NM)
10u/35V(NM)
+
TP888
TP847
TP299
TP617
R202
0J(NM)
TP300
R231
2kJ
2kJ
R3
5
0
2kJ(
N
M
)
C105
82pF
R220
47kJ
47kJ
IC21
BD6231F(NM)
VRFE
6
FIN
4
RIN
5
GND
8
OUT2
7
OUT1
1
VCC
2
VCC
3
Q49
KTC3875S
KTC3875S
IC22
BD6231F
VRFE
6
FIN
4
RIN
5
GND
8
OUT2
7
OUT1
1
VCC
2
VCC
3
TP835
R222
1kJ(NM)
TP411
Q17
DTC143Z
IN
GND
OUT
+
C89
10u/35V
10u/35V
+
R352
33J(NM)
TP887
Q26
2SD1898(NM)
2SD1898(NM)
R194
1.5kJ
R361
4.7kJ
4.7kJ
IC35
M62334FP(NM)
Ao1
Ao2
Ao3
Ao4
Ao2
Ao3
Ao4
GND
5
SDA
6
SCL
7
VCC
8
R201
0J(NM)
C174
0.1uF(NM)
TP962
C111
82pF
R565
100J
100J
IC52
TD62503FG
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
WEBM1 Driver (Upper WEB)
WEBM2 Driver (Lower WEB)
TM1 Driver
TM2 Driver
CRUM
A
B
C
4
3
2
1
PCU PWB (Driver section 5)
A
B
C
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