Sharp MX-M623U / MX-M753U (serv.man8) Service Manual ▷ View online
MX-M753 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 8
(2)
MX-FLX2
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Υ·Η
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ȀǦȳȭȸȉ
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MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 1
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
1. MFP CONTROL PWB / MFP コ ン ト ロール PWB
A. CIRCUIT DIAGRAM / 回路図
5V_IN
5V_IN
5V_IN
5V_IN
3R3V
5V_IN
5V_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
RES_MFP_MT
{28}
COREPWR_OE {2}
nHARDRESET {4}
IOPWR_OE
{2}
PWROFF_BK2
{2,6,40,41}
3.8V DETECT
4.0V DETECT
4.2V DETECT
CP342
CB412
0.01uF(B)
CP256
ICB2
BU4238F
GND
1
VDD
2
CT
3
VOUT
4
RB109
4.7KJ
4.7KJ
CB337
0.1uF(1608:B)
10K
47K
QB2
X_DTC114YUB
X_DTC114YUB
10K
47K
E
B
C
ICB4
BU4240F
GND
1
VDD
2
CT
3
VOUT
4
CB330
0.1uF(B)
0.1uF(B)
CP255
CB395
0.01uF(B)
CP340
RB168
4.7KJ
4.7KJ
R113
X_1KJ
X_1KJ
CB394
0.01uF(B)
CP249
SW1
X_SKQMBAE010
X_SKQMBAE010
CB325
1000pF(B)
CP327
CB406
1000pF(B)
CB341
1uF(1608:B)
CP339
CB408
1uF(1608:B)
ICB5
BU4242F
GND
1
VDD
2
CT
3
VOUT
4
OPEN-DRAIN BUFFER
ICB3
TC7SZ07FU(TE85L_F)
OPEN-DRAIN BUFFER
Y
4
VCC
5
NC
1
A
2
GND
3
RB113
10KJ
10KJ
CB323
0.01uF(B)
RB110
X_0J
CB396
1uF(1608:B)
OPEN-DRAIN BUFFER
ICB1
TC7SZ07FU(TE85L_F)
OPEN-DRAIN BUFFER
Y
4
VCC
5
NC
1
A
2
GND
3
CP257
RB166
X_0J
CB402
0.1uF(B)
0.1uF(B)
5
4
3
D
C
B
A
MFPC PWB (Reset Tree)
5
4
3
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 2
5V_IN
5V_IN
DGND
DGND
IOPWR_OE_ECO {2}
COREPWR_OE_ECO {2}
10K
47K
QB3
DTC114YUB
DTC114YUB
E
B
C
RB167
4.7KJ
4.7KJ
RB114
10KJ
10KJ
10K
47K
QB4
DTC114YUB
DTC114YUB
E
B
C
3
2
1
D
C
B
A
1/41
3
2
1
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 3
SENSE1_UP
SIGNALGND
SENSE2_UP
CPUVCCPG
CPUVCCPG
1R0V
3R3V
5V_IN
5V_IN
5V_IN
5V_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
5V_IN
3R3V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
1R8V
1R0V_HDD
DGND
3R3V
COREPWR_OE
{1}
GVDD_ON
{4}
IOPWR_OE
{1}
C144
1uF(1608:B)
CP692
CP691
R257
47KJ
47KJ
R316
47KJ
47KJ
C307
10uF
(2
012:
F
)
CP567
ICB10
TPC8021-H
TPC8021-H
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
R310
33KJ
33KJ
CP698
CP653
C381
1000pF(B)
R285
PMR50HZPFU6L00(5025)
CP696
D21
RB461F
RB410
24KF
24KF
R308
10J
10J
CP697
DB11
RB050LA-30
RB050LA-30
CP346
+ C350
120uF/6.3V(PXA/F60)
+
C393
1000pF(B)
CB646
10uF(2012:F)
C386
2.2uF(2012:B)
+ C348
120uF/6.3V(PXA/F60)
+
CP708
C390
1000pF(B)
1000pF(B)
C300
10uF(201
CP704
CP694
RB409
120KF
120KF
RB411
30KF
30KF
C392
1000pF(B)
1000pF(B)
OPEN-DRAIN BUFFER
IC11
TC7SZ07FU(TE85L_F)
OPEN-DRAIN BUFFER
Y
4
VCC
5
NC
1
A
2
GND
3
+
C312
220uF
/2.
5V(
PXA/
F
60)
+ F/
2.
5V
ICB8
TPC8021-H
TPC8021-H
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
+
C311
220uF
/2.
5V(
PXA/
F
60)
+
F
C385
10uF(2012:F)
C391
0.1uF(B)
CP412
RJ
3
X_P
A
DSHOR
T
CP706
L39
BLM18PG121SN1(1608)
C383
1000pF(B)
1000pF(B)
CP703
ICB9
TPC8021-H
TPC8021-H
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
CP711
C145
10uF(2012:F)
DB10
RB050LA-30
RB050LA-30
CB645
10uF(2012:F)
R314
10KJ
10KJ
CP705
MOD4
MPD5M006S
VOUT
1
VOUT
2
PGOOD
3
GND
4
VIN
5
ON/OFF
6
ADJUST
7
GND
8
L32
NR10050T2R1N
NR10050T2R1N
CP700
+
C34
9
220uF
/2.
5V(PXA/
F
6
0)
+
CB690
22pF(CH)
R284
PMR50HZPFU10L0(5025)
PMR50HZPFU10L0(5025)
CP712
CP652
C387
0.1uF(B)
RB408
30KF
30KF
D20
LT1F67AF
ICB6
TPC8021-H
TPC8021-H
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
RB412
1KJ
1KJ
C310
10uF
(2012:
F
)
C146
10uF(2012:F)
L24
NFM21PC475B1A3
CP6
9
0
CB687
22pF(CH)
22pF(CH)
R307
10KJ
10KJ
CP710
RB407
X_1KJ
R306
470J
R312
10J
2
CP701
R313
10J
CP688
C389
220pF(CH)
220pF(CH)
CP259
IC7
LTC3850EGN#PBF
RUN1
1
SENSE1+
2
SENSE1-
3
TK/SS1
4
I_TH1
5
VFB1
6
SGND
7
VFB2
8
I_TH2
9
TK/SS2
10
SENSE2-
11
SENSE2+
12
RUN2
13
I_LM
14
FREQ/PLLFLTR
28
MODE/PLLIN
27
SW1
26
TG1
25
BOOST1
24
BG1
23
VIN
22
INTVCC
21
BG2
20
PGND
19
BOOST2
18
TG2
17
SW2
16
PGOOD
15
R311
10KJ
10KJ
CP715
C394
1uF(1608:B)
CP689
+ C2
X_120uF/6.3V(PXA/F60)
+
CP695
C382
0.1uF(B)
CP590
CB688
X_8pF(CH)
X_8pF(CH)
CP709
C384
100pF(CH)
100pF(CH)
L31
NR6045T2R3N
NR6045T2R3N
CP707
D22
RB461F
C388
470pF(B)
470pF(B)
CP400
CP702
RJ
2
X_P
A
DSHOR
T
2
T
+
C1
9
1
220uF
/2
.5
V(PXA/
F
6
0)
+
.
CP693
CP699
R154
470KF
CB691
0.1uF(B)
CB689
X_33pF(CH)
X_33pF(CH)
R315
3.3KJ
3.3KJ
R309
10J
5
4
3
D
C
B
A
MFPC PWB (DC POWER)
5
4
3
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