Sharp MX-M550U / MX-M620U (serv.man2) Service Manual ▷ View online
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 26
731,L732)
-2pin: Pattern Short
DTR3
RXD3
TXD3
DSR3
RXD2
DSR2
TXD2
DTR2
DTR3
9
DSR3
9
HSYNC
17
RXD3
9
TXD3
9
DCCNT
9
DCCNT2
CN_RXD3
CN_DSR3
CN_TXD3
CN_DTR3
_VCCW
30
RXD2
9
RXD_SCN
TXD2
9
DSR_SCN
DTR2
9
DSR2
9
TXD_SCN
DTR_SCN
MSW_MON
MSW_MON_F 28
MSW_MON_P 9,23
PROFF_CNT
9
PROFF_CNT2
10
PROFF_CNT3
OPLEDON
10
FRDY
28
LED_ON
FAN_MON 17
12V_RST
22
RTCCS_CNTA
22
RTCCS_CNT
9
SLEEP
DTEN
17
3.3V
VCC
3.3V
3.3V
VCC
VCC
3.3V
+12V
+5VS
+12V
VCC
VCC
+5VS
+5VS
+12V
R
199
2.
2K
R495
10K
ICT2038
R
978
10
K
C280
22pF
NO ASM
ICT2036
ICT1337
ICT1827
R
242
10
K
ICT1646
R
209
2.
2K
ICT2009
ICT1336
R
1237
10
K
NO
ASM
BR704
200Ω
1
2
3
4
5
6
7
8
ICT1900
R288
33
R
216
10
K
Q12
DTC114YUA
1
2
3
R
977
10
K
R
976
10
K
C282
22pF
NO ASM
ICT2011
R
980
2.
2K
C281
22pF
NO ASM
ICT189
IC38
TD62503F
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
COM-E
NC
R
200
2.
2K
ICT1643
C184
100pF
ICT2150
R1146
0
Q15
DTC114YUA
1
2
3
R289
33
ICT910
D30
RB451F
2
1
3
ICT2008
ICT1795
ICT1338
IC26C
74LCX08MTC
9
10
8
R
241
10
K
ICT2037
BR733
3.3KΩ
1
2
3
4
5
6
7
8
C284
22pF
NO ASM
Q11
DTC114EUA
ICT2010
ICT2056
R
1124
2.
2K
C283
22pF
NO ASM
R
211
2.
2K
ICT1644
ICT850
C182
0.1uF
C186
0.1uF
D23
RLS-73
D24
D24
RLS-73
ICT2016
ICT1642
32
08D121BTA00
NO ASM
2
R
210
2.
2K
D31
RB451F
2
1
3
ICT1651
31
08D121BTA00
NO ASM
2
R
1123
10
K
R1145
10K
NO ASM
ICT231
R
244
2.
2K
ICT2015
ICT2040
C192
0.1uF
R1144
10K
NO ASM
ICT1341
IC41
TD62503F
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
COM-E
NC
BR745
200Ω
1
2
3
4
5
6
7
8
D25
RD4.3SB
C965
100pF
R
217
10
K
ICT928
C285
22pF
NO ASM
R
975
10
K
ICT1980
IC719
TD62503F
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
COM-E
NC
R
471
2.
2K
Q10
DTA114EUA
3
3
2
2
1
1
D
C
B
A
14/30
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 27
PCIAD13
PCIAD17
PCIAD25
PCIAD16
PCIAD3
PCIAD27
PCIAD14
PCIAD18
PCIAD26
PCIAD17
PCIAD4
PCIAD28
PCIAD27
PCIAD15
PCIAD19
PCIAD18
PCBE01
PCIAD21
PCIAD5
PCIAD28
PCIAD8
PCIAD20
PCIAD19
PCBE02
PCIAD29
PCIAD22
PCIAD6
PCIAD0
PCIAD29
PCIAD9
PCIAD23
PCIAD20
PCBE03
PCIAD30
PCIAD7
PCIAD30
PCIAD10
PCBE01
PCIAD24
PCIAD21
PCIAD11
PCIAD31
PCIAD1
PCIAD19
PCBE00
PCBE02
PCIAD15
PCIAD25
PCIAD22
PCIAD31
PCIAD12
PCIAD16
PCBE03
PCIAD24
PCIAD2
PCIAD26
PCIAD23
PCIREQ5
PAR
4,16,18,25,27
PCIAD[31:0]
4,16,18,25,27
PFRAME0
4,9,16,18,25,27
PPERR0
4,16,18,25,27
PTRDY0
4,16,18,25,27
CPURST_
18,27
PCBE0[3:0]
4,16,18,25,27
PCLK_USBH
21
PCIGNT5
9
PSERR0
4,16,18,25,27
PDEVSEL0
4,16,18,25,27
PSTOP0
4,16,18,25,27
PIRDY0
4,16,18,25,27
PCIINTA
4,9,16,18,25,27
PCIREQ[7:0]
4,9,16,18,25,27,28
3.3V_USB_D
3.3V_USB_D
3.3V_USB_A
3.3V_USB_D
3.3V_USB_D
3.3V
3.3V_USB_D
3.3V_USB_D
3.3V
L752
BLM18PG121SN1
1
2
ICT2166
C
1058
0.
1uF
+
C
1041
22
uF/
16
V
C
1048
0.
1uF
C
1050
0.
1uF
C
1052
0.
1uF
+
C
1039 22
uF/
16
V
ICT2179
R
1276
1K
ICT2178
ICT2152
+
C
1038 10
uF/
16
V
ICT2153
ICT2151
C
1053
0.
1uF
C1075
10
uF/
6.
3V
G
RM
31
B
NO
ASM
1
2
R1272
100
R
1268
4.
7K
C
1040
1000
pF
ICT2154
C
1051
0.
1uF
C
1059
0.
1uF
C
1049
0.
1uF
+
C
1042
22
uF/
16
V
L753
BLM18PG121SN1
1
2
ISP1562
USB2.0 HOST Controller
IC758
ISP1562
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
GNDA
AUX1V8
VI(VAUX3V3)
INTA#
RST#
GNDD
PCICLK
GNT#
REQ#
AD31
VCC(I/O)
AD30
AD29
AD28
AD27
VI(VREG3V3)
GNDA
REG1V8
GNDD
AD26
AD25
AD24
C/BE#3
IDSEL
VCC(I/O)
AD23
AD22
AD21
AD20
AD19
AD18
GNDD
AD17
AD16
C/BE#2
FRAME#
IRDY#
TRDY#
DEVSEL#
VCC(I/O)
STOP#
CLKRUN#
REG1V8
PERR#
SERR#
GNDA
PAR
C/BE#1
GNDD
AD15
XTAL2
XTAL1
AUX1V8
GNDA
VCC(I/O)
AD0
AD1
AD2
AD3
AD4
AD5
GNDD
AD6
AD7
GNDA
C/BE#0
AD8
REG1V8
AD9
AD10
VCC(I/O)
AD11
AD12
AD13
AD14
PME#
VCC(I/O)_AUX
SDA
SCL
GNDD
GNDD
VDDA_AUX
DP2
GNDA
DM2
GNDA
PWE2_N
OC2_N
VDDA_AUX
DP1
GNDA
DM1
GNDA
RREF
GNDA
PWE1_N
OC1_N
VCC(I/O)_AUX
GNDD
VCC(I/O)_AUX
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (USB HOST) (MX-M550N/M550U/M550)
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 28
PCIAD13
PCIAD3
PCIAD14
PCIAD6
DP1
PCBE00
PCIAD4
PCIAD7
VBUSON1#
PCIAD0
PCIAD5
PCIAD8
DM1
PCIAD9
VBUSON2#
OC2#
PCIAD10
PCIAD1
OC2#
PCIAD11
PME#_INT
PCIAD12
PCIAD2
VBUSON2#
OC1#
DM2
DP2
3.3V_USB_A
3.3V_USB_D
3.3V
3.3V_USB_D
3.3V
3.3V_USB_A
3.3V
3.3V_USB_D
VCC
3.3V 3.3V
3.3V_USB_D
3.3V_USB_D
R1270
15K
15K
NO ASM
ICT2163
C1055
0.1uF
R1273
15K
+
C1078
47uF/16V
NO ASM
L759
BLM
18
PG
121
S
N
1
1
2
ICT2169
C
1062
0.
1uF
ICT2164
ICT2162
ICT2168
ICT
2171
C
1060
0.
1uF
C
1046
0.
1uF
C
1044
0.
1uF
ICT2165
L757
BLM
18
PG
121
S
N
1
1
2
ICT2167
R
1266
2.
2K
NO
ASM
IC757
CAT24WC02(SOP8)
NO ASM
1
2
3
4
5
6
7
8
A0
A1
A2
VSS
SDA
SCL
WP
VCC
X704
12MHz(SMT)
R1275
100
D40
HZM6.2Z4MWA
NO ASM
A
K
1
K
2
C
1043
0.
1uF
ICT2172
ICT2161
C1057
22pF(CH)
ICT2155
L756
DLW31SN900SQ2
1
4
2
3
R
1298
nan
oSMDC
110
F(
3216
)
NO
ASM
C
1045
0.
1uF
R
1300
nan
oSMDC
110
F(
3216
)
ICT
2160
ICT2170
ICT
2173
IC759
BD6513F-E2
1
2
3
4
5
6
7
8
CTRLA
FLAGA
FLAGB
CTRLB
OUTB
GND
VDD
OUTA
ICT2156
+
C1080
47uF/16V
R1299
33K
ICT2157
ICT
2158
ICT2159
C
1061
0.
1uF
R
1265
2.
2K
BR740
4.7kΩ
1
2
3
4
5
6
7
8
+
C
1054 10
uF/
16
V
D41
HZM6.2Z4MWA
A
K
1
K
2
R1271 12KF
C1037
0.1uF
0.1uF
C1079
0.01uF
0.01uF
R1296
1K
R1269
15K
15K
NO ASM
L754
X_BLM18PG121SN1
NO ASM
1
2
C
1063
0.
1uF
L755
BLM18PG121SN1
1
2
C
1047
0.
1uF
R1301
0
R1302
0
R1274
15K
15K
ICT2131
C1056
22pF(CH)
C1076
0.1uF
C1077
0.01uF
0.01uF
NO ASM
R1297
33K
NO
ASM
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
100
AL2
AL1
V8
DA
/O)
AD0
AD1
AD2
AD3
AD4
AD5
DD
AD6
AD7
DA
E#0
AD8
V8
AD9
D10
/O)
D11
D12
D13
D14
ME#
AUX
DA
SCL
DD
DD
AUX
DP2
DA
M2
DA
2_N
2_N
AUX
DP1
DA
M1
DA
REF
DA
_N
_N
AUX
DD
AUX
R
1267
2.
2K
NO
ASM
L758
BLM
18
PG
121
S
N
1
NO
ASM
1
2
CN705
UAR27-4K5J00
1
2
3
4
FG
1
FG
2
VBUS
D-
D+
GND
FG
FG
CN704
UBAL-4R-D-12
NO ASM
1
2
3
4
FG
1
FG
2
VBUS
D-
D+
GND
FG
FG
3
3
2
2
1
1
D
C
B
A
15/30
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 29
<- 7mm ->
PCIAD
29
CDADQ5
SDDQ1
PCIAD
17
SDDQ2
RETPMA0
CDADQ11
PCIAD
23
CDADQ14
PCIAD
26
RETPMD4
CDADQ2
RETPMA1
CDADQ13
PCIAD
16
SDDQ15
CDADQ10
RETPMD5
CDADQ9
SDDQ3
SDDQ9
SDDQ8
PCIAD
30
CDADQ6
RETPMD2
CDADQ4
PCIAD
18
RETPMD0
SDDQ5
SDDQ6
PCIAD
25
SDDQ13
RETPMD7
PCIAD
31
CDADQ7
SDDQ14
PCIAD
24
CDADQ3
CDADQ15
SDDQ12
SDDQ10
CDADQ8
PCIAD
22
PCIAD
27
RETPMD1
PCIAD
19
PCIAD
21
SDDQ11
CDADQ1
SDDQ4
RETPMD6
SDDQ7
SDDQ0
CDADQ12
PCIAD
20
RETPMD3
CDADQ0
PCIAD
28
RETPMD14
RETPMD15
RETPMD12
RETPMD13
PCIAD[31:0]
4,15,18,25,27
XIBACKA
19
XOBACKA
19
PCIAD12
4,15,18,25,27
ICUOFF
9,17
XRETPMCS
20
RETPMD[7:0]
20
1_DBL+
12
PMINTA
19
1_DATA1-
12
ODREQA
17,19
XIOWR
19,20
1_CLK+
12
SDDQ[15:0]
17
RETPMA[1:0]
20
CPURST
1,2,9,10,18,20,23,25
1_DATA1+
12
PCIGNT1
9
XODACKA
19
XIORD
19,20
PMDONEA
19
1_DBL-
12
PCLK_I
21
IDREQA
17,19
XIDACKA
19
1_DATA0+
12
CDADQ[15:0]
19
PCIREQ1
9,18
1_CLK-
12
1_DATA0-
12
PCBE03
4,15,18,25,27
XCDCSA
19
XIOWR
19,20
XIORD
19,20
XRETPMCS
20
RETPMD[15:12]
20
PCLK_I
21
3.3V
3.3V
3.3V
3.3V
3.3V
ICT717
ICT1680
TPAD2
1
BR77
33Ω
1
2
3
4
5
6
7
8
ICT276
ICT139
ICT728
ICT1681
C156
0.1uF
BR79
33Ω
1
2
3
4
5
6
7
8
C987
1000pF
ICT1683
ICT976
ICT1682
ICT3
C158
0.1uF
ICT133
ICT1013
ICT718
ICT1972
R291
0
R231
4.7K
R292
0
ICT1475
C137
0.1uF
R232
0
R293
0
R785
10
R1010
4.7K
ICT1960
C143
0.1uF
ICT719
ICT1964
ICT1000
R180
100
C145
0.1uF
ICT729
R183
100
ICT1969
ICT
469
ICT142
R179
33K
C243
0.1uF
ICT8
C134
0.1uF
ICT730
R783
33
ICT720
C241
0.1uF
ICT
470
C258
0.1uF
ICT132
C103
0.1uF
ICT1961
C238
0.1uF
ICT138
ICT731
ICT1973
R177
10
NO ASM
C262
0.1uF
ICT
471
C104
0.1uF
ICT658
R290
0
ICT721
R169
10
ICT1967
ICT137
ICT732
ICT
472
ICT10
R170
10
C250
0.1uF
C235
0.1uF
ICT2064
C260
0.1uF
C240
0.1uF
R178
10
NO ASM
ICT722
BR73
33Ω
1
2
3
4
5
6
7
8
ICT141
ICT773
BR75
33Ω
1
2
3
4
5
6
7
8
C251
0.1uF
ICT145
ICT723
ICT1937
C242
0.1uF
ICT136
R181
100
C245
0.1uF
R403
100
ICT774
C261
0.1uF
ICT631
C135
0.1uF
C244
0.1uF
C131
0.1uF
ICT1974
ICT724
ICT1965
C246
0.1uF
C967
100pF
NO ASM
ICT775
C257
0.1uF
C160
0.1uF
IC46B
74LCX08MTC
4
5
6
C120
0.1uF
ICT131
ICT465
R1147
47
NO ASM
ICT1971
ICT1938
ICT776
C154
0.1uF
C123
0.1uF
C247
0.1uF
R1012
4.7K
ICT1970
SDRAM I/
FRONT SCAN ASIC I/F
RET OR PM2500 I/O I/F
PM22-A CHANNEL 1 I/F
PCI I
IC25
SC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192
304
303
302
301
300
299
298
297
296
295
294
293
292
291
290
289
288
287
286
285
284
283
282
281
280
279
274
273
272
271
270
269
268
267
266
265
264
263
262
261
254
250
249
248
247
246
245
244
243
242
241
240
239
238
237
236
235
234
233
232
231
230
229
251
252
253
255
256
257
258
259
260
275
276
277
278
ADDVDDE XRST ADDGND PCICLK XREQA XGNTA GN
D
AD
31
AD
30
ADDVDDE AD
29
AD
28
VDDI AD
27
ADDGND ADDVDDE AD
26
AD
25
AD
24
GN
D
CBE
3
IDSEL AD
23
ADDVDDE AD
22
VDDI ADDGND AD
21
AD
20
AD
19
AD
18
VDDE GN
D
AD
17
AD
16
CBE
2
XFRAME
ADDVDDE SDSEL
21
SDSEL
20
SDSEL
11
SDSEL
10
SDSEL
01
GN
D
SDSEL
00
SDDQ
15
ADDGND
SDDQ
0
ADDVDDE
VDDI
SDDQ
14
SDDQ
1
SDDQ
13
SDDQ
2
SDDQ
12
SDDQ
3
GN
D
SDDQ
11
ADDVDDE ADDGND
SDDQ
4
SDDQ
10
VDDI
SDDQ
5
SDDQ
9
SDDQ
6
SDDQ
8
SDDQ
7
VDDE GN
D
XDQL
M
XDQU
M
XSDWE XSDCA
S
UTEST4
XPMINTA
PMDONEA
IDREQA
ODREQA
VPD
GND
XIBACKA
XOBACKA
XIDACKA
XODACKA
CDADQ15
VDDI
ADDVDDE
CDADQ14
CDADQ13
CDADQ12
CDADQ11
CDADQ10
GND
VDDI
CDADQ9
CDADQ8
CDADQ7
CDADQ6
VDDE
CDADQ1
CDADQ0
GND
XPMACS
XIORD
XIOWE
RETPMD15
RETPMD14
VDDE
RETPMD13
RETPMD12
RETPMD11
RETPMD10
GND
VDDE
RETPMD0
VDDI
GND
XRETPMCS
RETPMA3
RETPMA2
RETPMA1
RETPMA0
ADDVDDE
VDDI
FBIAS
ADDGND
FSCNDBP
FSCNDBN
FSCNDAP
GND
ADDGND
FSCNDAN
FSCNCLKP
FSCNCLKN
FSCNENN
FSCNENP
RETPMD1
RETPMD2
RETPMD3
RETPMD4
RETPMD5
RETPMD6
RETPMD7
RETPMD8
RETPMD9
CDADQ2
CDADQ3
CDADQ4
CDADQ5
C236
0.1uF
C117
0.1uF
ICT1307
C252
0.1uF
ICT1308
C248
0.1uF
ICT135
ICT466
C239
0.1uF
ICT514
C256
0.1uF
C237
0.1uF
ICT144
ICT140
ICT725
R
161
10
C162
0.1uF
ICT1968
ICT467
C254
0.1uF
ICT1963
ICT1037
ICT
1002
C155
0.1uF
ICT7
C259
0.1uF
ICT1678
R
152
33
ICT1679
ICT468
R
153
33
C255
0.1uF
C249
0.1uF
ICT134
ICT975
R
148
33
ICT726
C253
0.1uF
ICT130
R
147
33
ICT1309
ICT2
ICT727
ICT1966
ICT9
ICT143
C988
1000pF
C105
0.1uF
ICT1473
C159
0.1uF
R1014
4.7K
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (ICU ASIC) (MX-M550N/M550U/M550)
Click on the first or last page to see other MX-M550U / MX-M620U (serv.man2) service manuals if exist.