Sharp AR-M35 / AR-M450 (serv.man9) Service Manual ▷ View online
AR-M350U CIRCUIT DIAGRAM 9-23
C
C
D
D
E
E
5
4
3
2
1
FXA21
LA20
D5
D12
MEMD29
D13
D3
D6
MEMD18
MEMD20
FXA6
MEMD30
MEMD16
D14
FXA2
FXD16
FXA7
FXD18
LA22
FXA8
FXA10
D15
D9
MEMD24
LA19
FXD26
FXD24
MEMD23
FXA18
FXD20
D0
LA18
FXD25
MEMD25
FXA5
FXD21
FXA11
FXD31
D1
MEMD26
FXD27
FXA16
FXA17
FXA12
MEMD22
FXA4
FXA3
D2
FXD29
MEMD19
FXD23
FXD17
FXA9
FXD19
FXA15
MEMD28
MEMD21
FXA22
FXA14
FXA19
D4
MEMD31
LA17
D7
LA21
FXD28
D11
FXD22
MEMD17
FXA20
D10
FXD30
D8
FXA13
MEMD27
FWE1
6,7
FXA[22:2]
9
FXCS19
9
FMCS19
10
FOE
6,7,10
FXWE
9
FMCS15
10
FMCS18
10
FXCS15
9
FXCS16_17
9
FXOE
9
FXCS18
9
FXD[31:0]
9
FXCS14
9
FMCS14
10
3.3V
3.3V
IC49
74LCX16244MEA
2
3
5
6
3
5
6
13
14
16
17
19
20
22
23
14
16
17
19
20
22
23
8
9
11
12
9
11
12
47
46
44
43
41
40
38
37
46
44
43
41
40
38
37
36
35
33
32
30
29
27
26
35
33
32
30
29
27
26
7
18
31
42
31
42
4
10
15
21
28
34
39
45
15
21
28
34
39
45
1
48
48
24
25
1Y1
1Y2
1Y3
1Y4
1Y2
1Y3
1Y4
3Y1
3Y2
3Y3
3Y4
4Y1
4Y2
4Y3
4Y4
3Y2
3Y3
3Y4
4Y1
4Y2
4Y3
4Y4
2Y1
2Y2
2Y3
2Y4
2Y2
2Y3
2Y4
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
1A2
1A3
1A4
2A1
2A2
2A3
2A4
3A1
3A2
3A3
3A4
4A1
4A2
4A3
4A4
3A2
3A3
3A4
4A1
4A2
4A3
4A4
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
1OE
2OE
2OE
4OE
3OE
C209
0.1uF
C301
0.1uF
IC46A
74LCX08MTC
1
2
3
C208
0.1uF
IC52
74LCX16245MEA
2
3
5
6
8
9
11
12
3
5
6
8
9
11
12
13
14
16
17
19
20
22
23
14
16
17
19
20
22
23
1
24
24
48
25
25
47
46
44
43
41
40
38
37
46
44
43
41
40
38
37
36
35
33
32
30
29
27
26
35
33
32
30
29
27
26
7
18
31
42
31
42
4
10
15
21
28
34
39
45
15
21
28
34
39
45
1B1
1B2
1B3
1B4
1B5
1B6
1B7
1B8
1B2
1B3
1B4
1B5
1B6
1B7
1B8
2B1
2B2
2B3
2B4
2B5
2B6
2B7
2B8
2B2
2B3
2B4
2B5
2B6
2B7
2B8
1DIR
2DIR
2DIR
1G
2G
2G
1A1
1A2
1A3
1A4
1A5
1A6
1A7
1A8
1A2
1A3
1A4
1A5
1A6
1A7
1A8
2A1
2A2
2A3
2A4
2A5
2A6
2A7
2A8
2A2
2A3
2A4
2A5
2A6
2A7
2A8
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
%& !"#!$
AR-M350U CIRCUIT DIAGRAM 9-24
A
A
B
B
C
C
5
4
3
2
1
FXD14
FXD17
FXA21
FXD13
FXD9
FXD22
FXD11
FXA11
FXA7
FXD16
FXA14
FXA2
FXD30
FXA19
FXA17
FXA3
FXD25
FXD29
FXD8
FXD5
FXD16
FXD21
FXD4
FXD18
FXD26
FXD30
FXD23
FXD27
FXA13
FXD19
FXD19
FXD23
FXA10
FXD7
FXD31
FXD29
FXA16
FXD21
FXA8
FXD24
FXD26
FXD9
FXD7
FXD20
FXD6
FXD18
FXD3
FXD4
FXD5
FXD31
FXD0
FXA20
FXD15
FXD6
FXD0
FXD11
FXD1
FXD15
FXA9
FXD8
FXA5
FXD27
FXA4
FXD1
FXD28
FXD2
FXA15
FXD13
FXD3
FXA6
FXD10
FXA12
FXD10
FXD12
FXD20
FXA18
FXD14
FXD28
FXD22
FXD17
FXD2
FXD25
FXD12
FXD24
FXA[22:2]
8
FXD[31:0]
8
V
VCC
3.3V
3.3V
BR95
1
3
2
4
5
7
6
6
8
BR94
1
3
2
4
5
7
6
6
8
BR101
1
3
2
4
5
7
6
6
8
BR98
1
3
2
4
5
7
6
6
8
BR96
1
3
2
4
5
7
6
6
8
BR99
1
3
2
4
5
7
6
6
8
CN16
TX25-100P-6ST-H1
51
52
53
55
57
59
61
63
65
67
69
54
56
58
60
62
64
66
68
70
71
72
73
79
80
74
75
76
77
78
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
51
52
53
55
57
59
61
63
65
67
69
54
56
58
60
62
64
66
68
70
71
72
73
79
80
74
75
76
77
78
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
BR97
1
3
2
4
5
7
6
6
8
BR100
1
3
2
4
5
7
6
6
8
[FAX I/F CN]
%' !"#!$
AR-M350U CIRCUIT DIAGRAM 9-25
C
C
D
D
E
E
5
4
3
2
1
FXA11
FXA7
FXA14
FXA19
FXA17
FXA13
FXA10
FXA16
FXA8
FXA20
FXA9
FXA15
FXA12
FXA18
FB_IN
10
FXCS15
8
RTS1
10
FR_KM
11
TXD1
10
WP_FAX
10
FXWE
8
FVCCW
7,12,13,15
RTS0
10
RES_FAX
22
CNCT_FAX
22
TXD0
10
RD/BY
7,10
CTS0
10
FXCS19
8
FXCS14
8
COLDRST
1,2,7
FRDY
13
CTS1
10
FXOE
8
RXD0
10
FXCS16_17
8
RES_MFP_F
22
FXA22
8
FXCS18
8
RXD1
10
FAX_PWON
22
MSW_MON
10,15
VCC
VCC
3.3V
3.3V
VCC
R264
10K
R267
10K
R266
2.2K
CN16
TX25-100P-6ST-H1
51
52
53
55
57
59
61
63
65
67
69
54
56
58
60
62
64
66
68
70
71
72
73
79
80
74
75
76
77
78
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
51
52
53
55
57
59
61
63
65
67
69
54
56
58
60
62
64
66
68
70
71
72
73
79
80
74
75
76
77
78
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
R265
2.2K
C290
22pF
NO ASM
NO ASM
C288
22pF
NO ASM
NO ASM
C289
22pF
NO ASM
NO ASM
C291
22pF
NO ASM
NO ASM
%( !"#!$
AR-M350U CIRCUIT DIAGRAM 9-26
A
A
B
B
C
C
5
4
3
2
1
POWER_LED
SW1
SW2
CD3
CD1
CD6
FL_MSK3
PCIREQ3
CD7
PCIREQ6
I
PCIREQ7
FL_MSK0
FL_MSK6
FL_MSK4
I
I
PCIREQ0
I
FL_MSK5
CD2
CD5
I
PCIREQ1
I
CD0
SRWE
FL_MSK2
CD4
PCIREQ4
I
FL_MSK1
SROE
I
EEPROMCS
PCIREQ5
PCIREQ2
MSW_MON_A
MSW_MON_A
IOA15
IOA2
IOA3
IOA1
IOA9
IOA11
IOA14
IOA4
IOA14
IOA2
IOA4
IOA8
IOA7
IOA5
IOA13
IOA1
IOA15
IOA5
IOA6
IOA3
IOA12
IOA10
IOA6
CODECS0
3
FMCS16
8
LOE
3,6
ICUOFF
18
PWM
15
CTCT_FAX_A
22
FMCS11
7
BT_CK
12
FMCS19
8
FMCS13
7
FONTCS7
3
FMCS15
8
BOOTCS
3,6
FMCS6
7
IOA[15:1]
6,11
FONTCS6
3
FMCS17
8
IORESET1
22
CODECS2
3
ASICCLK
11,21
ENERGY
11
RD/BY
7,9
SDA_RWE
12
ACK
16
CODECS1
3
BT_OK
12
BUSY
16
DREQ0
3
LCS2
3
WP
7
LCS1
3
FONTCS4
3
STB
16
NPOR
20
PCIINTA
17,18
PCIREQ[7:0]
4,17,18
CLKOFF
19,20
FONTCS5
3
PFRAME0
4,17,18
HDDPW
22
FMCS4
7
SIOCLK
3
REVERSE
16
FB_IN
9
FMCS14
8
PCLK_A
21
FONTCS2
3
FMCS12
7
PCIINTB
17
LA22
6,7,8
EXTRST
22
SLCTIN_P
6
FMCS8
7
ROMOE
3,8,12
FONTCS3
3
LA18
6,7,8,12
LCS0
3
CD[7:0]
16
LWE
3
ROMWE
3,6,12
PE
16
AUTOFD
16
FAULT
16
DACK0
3
EEPWP
3
FMCS18
8
TDPOF
1,22
FMCS2
7
PONRST
2,3,11,12,22
FWE
21
SCN_SET
13
PPMSEL
19
FMCS0
7
WP_FAX
9
INIT
16
CPURST
1,2,11,17,18
STC0
3
FONTCS1
3
FMCS9
7
FMCS10
7
SLCT
16
SLCTIN2
6
IOA[15:1]
6,11
FOE
6,7,8
MSW_MON
9,15
FLASHO
19
CTS4
14
RXD4
14
DSR5
14
CTS5
14
VCC
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
VCC
3.3V
3.3V
R163
1
0K
D19
RB451F
NO ASM
2
1
3
R402
10K
NO ASM
NO ASM
R399
0
R258
4.7K
N
O
A
S
M
R162
4.7K
R235
100
R401
0
NO ASM
NO ASM
R257
4.7K
N
O
A
S
M
R160
10K
R197
0 NO ASM
IC43C
74LCX14MTC
5
6
CPU INIT
FLASH
SRAM
EEPROM
I/O PORT
PARALLEL
uPD65946GN-P07-LMU
IC32-1
232
231
238
234
233
137
138
138
114
115
116
117
118
119
123
124
125
126
127
128
129
130
131
132
133
134
135
136
115
116
117
118
119
123
124
125
126
127
128
129
130
131
132
133
134
135
136
146
147
144
145
147
144
145
141
99
226
225
142
218
219
227
225
142
218
219
227
91
92
93
94
95
96
97
92
93
94
95
96
97
108
109
109
98
102
224
143
228
104
105
106
107
103
173
102
224
143
228
104
105
106
107
103
173
175
174
177
176
182
178
183
154
156
155
158
157
162
159
163
152
153
164
165
166
171
46
153
164
165
166
171
46
167
168
169
170
168
169
170
47
172
222
223
COLDRST
PONRST
SYSCLK
GRESET
RESET
FWE
FOE
FMCS19
FMCS18
FMCS17
FMCS16
FMCS15
FMCS14
FMCS13
FMCS12
FMCS11
FMCS10
FMCS18
FMCS17
FMCS16
FMCS15
FMCS14
FMCS13
FMCS12
FMCS11
FMCS10
FMCS9
FMCS8
FMCS7
FMCS6
FMCS5
FMCS4
FMCS3
FMCS2
FMCS1
FMCS0
FMCS8
FMCS7
FMCS6
FMCS5
FMCS4
FMCS3
FMCS2
FMCS1
FMCS0
SRWE
SROE
SRCS1
SRCS0
SRCS0
EEPROMCS
RD_BY
POF
SERMSTR_IN
BT_OK
FB_IN
FAX_IN
MSW
POF
SERMSTR_IN
BT_OK
FB_IN
FAX_IN
MSW
FL_MSK6
FL_MSK5
FL_MSK4
FL_MSK3
FL_MSK2
FL_MSK1
FL_MSK0
DIPSW1
DIPSW0
FL_MSK5
FL_MSK4
FL_MSK3
FL_MSK2
FL_MSK1
FL_MSK0
DIPSW1
DIPSW0
WP
SCL
PWM
BT_CK
PM22EN
LED3
LED2
LED1
LED0
LED2
LED1
LED0
SDA
PIO7
PIO5
PIO6
PIO3
PIO4
PIO1
PIO2
PIO0
CD7
CD5
CD6
CD3
CD4
CD1
CD2
CD0
ACK
BUSY
PE
FAULT
SLCT
REVERSE
DREQ0
INIT
SLCTIN
AUTOFD
STB
DACK0
STC
SLCTIN
AUTOFD
STB
DACK0
STC
EXTRST
SCANIN
R256
4.7K
N
O
A
S
M
D15
LED
NO ASM
IC26C
74LCX08MTC
9
10
8
P
IC32-2
uPD65
50
73
73
51
52
53
54
55
56
57
58
70
71
72
52
53
54
55
56
57
58
70
71
72
17
5
16
10
6
7
8
9
7
8
9
14
13
4
3
15
74
11
12
12
30
31
31
29
36
35
34
33
37
32
38
39
39
43
42
44
45
45
78
77
76
75
229
79
82
83
82
83
90
89
88
87
86
84
85
85
PCIC
FRAM
FRAM
REQ7
REQ6
REQ5
REQ4
REQ3
REQ2
REQ1
REQ0
PCIIN
PCIIN
PCIIN
REQ6
REQ5
REQ4
REQ3
REQ2
REQ1
REQ0
PCIIN
PCIIN
PCIIN
BOOT
AM15
AM15
ROM
AL3
AM14
AL6
AL5
AL4
AL6
AL5
AL4
IORD
IOWR
AH18
AH22
ROM
SSEL
AL2
AL1
AL1
CODE
CODE
CODE
CODE
FONT
FONT
FONT
FONT
FONT
CODE
FONT
FONT
FONT
LCS2
LCS3
LCS1
LCS0
LCS0
SET_
SET_
SET_
SET_
MOD
SET_
SET_
SET_
SET_
SET_
SET_
SET_
SET_
SET_
SET_
SET_
SET_
SET_
R157
0
NO ASM
R206
4.7K
R156
0
NO ASM
R158
10K
R400
0
D16
LED
NO ASM
R213
10K
R255
4.7K
N
O
A
S
M
JP5
TS3B-SQ
3
1
2
R155
0
NO ASM
IC36
CAT28C64BP-12
10
9
8
7
6
5
4
3
8
7
6
5
4
3
25
24
21
23
24
21
23
2
20
22
27
22
27
11
12
13
15
16
17
18
19
12
13
15
16
17
18
19
1
28
14
26
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
CE
OE
WE
OE
WE
D0
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
A14
VCC
GND
A13
JP4
TS3B-SQ
3
1
2
C
0.
D17
LED
NO ASM
R198
0
R201
0 NO ASM
R159
10K
D18
LED
NO ASM
C201
0.1uF
R236
100
D13
LTL-1LHEE-002A
R184
4.7K
R139
10K
IC43A
74LCX14MTC
1
2
R154
10K
[ASIC1]
%) !"#!$
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