Sharp AR-P350 / AR-P450 (serv.man7) Service Manual ▷ View online
SDRAM DIMM Slot #0
MAA6
3_MD53
3_MD47
3_MD18
3_MD32
3_MD14
3_MD9
3_MD11
3_MD41
3_MD21
3_MD32
3_MD52
3_MD54
3_MD30
3_MD23
MAA11
3_MD51
3_MD45
3_MD48
3_MD50
3_MD50
3_MD33
MAA8
SDQMA7
3_MD58
3_MD40
MAA2
3_MD2
3_MD37
3_MD62
MAA12
SDQMA0
3_MD17
3_MD43
MAA9
MAA7
MAA3
3_MD27
3_MD20
3_MD42
3_MD35
3_MD57
3_MD47
SDQMA1
3_MD57
3_MD63
3_MD10
3_MD12
3_MD48
3_MD59
3_MD54
3_MD46
SDQMA6
3_MD3
3_MD55
MAA5
3_MD36
3_MD0
3_MD34
3_MD37
3_MD16
3_MD5
MAA1
3_MD42
3_MD31
3_MD61
3_MD33
3_MD7
3_MD61
SDQMA3
3_MD34
3_MD4
3_MD52
SDQMA2
3_MD53
3_MD60
3_MD6
3_MD59
3_MD35
3_MD38
3_MD36
3_MD45
3_MD25
3_MD39
3_MD15
MAA0
3_MD19
3_MD38
3_MD13
3_MD50
3_MD29
3_MD58
SDQMA4
3_MD24
3_MD40
3_MD63
3_MD56
3_MD51
MAA4
3_MD22
3_MD56
3_MD55
3_MD41
SDQMA5
MAA10
3_MD8
3_MD43
3_MD44
3_MD28
3_MD60
3_MD1
3_MD46
3_MD44
3_MD44
3_MD26
3_MD49
3_MD39
3_MD49
3_MD62
GND
1
DQ0
2
DQ1
3
DQ2
4
DQ3
5
+3.3V
6
DQ4
7
DQ5
8
DQ6
9
DQ7
10
DQ8
11
GND
12
DQ9
13
DQ10
14
DQ11
15
DQ12
16
DQ13
17
+3.3V
18
DQ14
19
DQ15
20
NC
21
NC
22
GND
23
NC
24
NC
25
+3.3V
26
W(WE0)
27
DQMB0
28
DQMB1
29
S0
30
NC(OE0)
31
GND
32
A0
33
A2
34
A4
35
A6
36
A8
37
A10
38
BA1
39
+3.3V
40
+3.3V
41
CK0
42
GND
43
NC(OE2)
44
S2
45
DQMB2
46
DQMB3
47
NC(WE2)
48
+3.3V
49
NC
50
NC
51
NC
52
NC
53
GND
54
DQ16
55
DQ17
56
DQ18
57
DQ19
58
+3.3V
59
DQ20
60
NC
61
NC
62
NC(CKE1)
63
GND
64
DQ21
65
DQ22
66
DQ23
67
DQ24
69
DQ25
70
DQ26
71
DQ27
72
+3.3V
73
DQ28
74
DQ29
75
DQ30
76
DQ31
77
GND
78
CK2
79
NC
80
NC
81
SDA
82
SCL
83
+3.3V
84
GND
68
GND
85
DQ32
86
DQ33
87
DQ34
88
DQ35
89
+3.3V
90
DQ36
91
DQ37
92
DQ38
93
DQ39
94
DQ40
95
GND
96
DQ41
97
DQ42
98
DQ43
99
DQ44
100
DQ45
101
+3.3V
102
DQ46
103
DQ47
104
NC
105
NC
106
GND
107
NC
108
NC
109
+3.3V
110
CE
111
DQMB4 112
DQMB5 113
S1
114
RE
115
GND
116
A1
117
A3
118
A5
119
A7
120
A9
121
BA0
122
A11
123
+3.3V
124
CK1
125
NC
126
GND
127
CKE0
128
S3
129
DQMB6 130
DQMB7 131
NC
132
+3.3V
133
NC
134
NC
135
NC
136
NC
137
GND
138
DQ48
139
DQ49
140
DQ50
141
DQ51
142
+3.3V
143
DQ52
144
NC
145
NC
146
NC
147
GND
148
DQ53
149
DQ54
150
DQ55
151
GND
152
DQ56
153
DQ57
154
DQ58
155
DQ59
156
+3.3V
157
DQ60
158
DQ61
159
DQ62
160
DQ63
161
GND
162
CK3
163
NC
164
SA0
165
SA1
166
SA2
167
+3.3V
168
0/AP
1
QD0 2
QD1 4
QD2 5
QD3 7
QD4 8
QD5 10
QD6 11
QD7 13
QD8 42
QD9 44
QD10 45
QD11 47
QD12 48
QD13 50
QD14 51
QD15 53
VCCQ 3
VCCQ 3
VCCQ 9
VCCQ 43
VCCQ 49
VSSQ 6
VSSQ 12
VSSQ 46
VSSQ 52
CAS# 17
CAS# 17
RAS# 18
CS# 19
WE# 16
LK
KE
DQM
DQM
S0
S1
CC
CC
CC
SS
SS
SS
2
C
0/AP
1
QD0 2
QD1 4
QD2 5
QD3 7
QD4 8
QD5 10
QD6 11
QD7 13
QD8 42
QD9 44
QD10 45
QD11 47
QD12 48
QD13 50
QD14 51
QD15 53
VCCQ 3
VCCQ 9
VCCQ 43
VCCQ 49
VSSQ 6
VSSQ 12
VSSQ 46
VSSQ 52
CAS# 17
CAS# 17
RAS# 18
CS# 19
WE# 16
LK
KE
DQM
DQM
S0
S1
CC
CC
CC
SS
SS
SS
2
C
C30
0.1uF
0.1uF
C31
0.1uF
0.1uF
R27
10K
C19
0.1uF
0.1uF
C10
0.1uF
0.1uF
C21
0.1uF
0.1uF
C29
0.1uF
0.1uF
R28
10K
CN1
DMM168-FLAA2-3A133
3
LC4M16A2TG-75
4
4M16A2TG-75
C20
0.1uF
0.1uF
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
MEMCLK1
16
SDQMA[7:0]
2
MEMCLK3
16
BSEL0A
2
MCASA
2
CKEA
2
MEMCLK4
16
MWE
2
MRASA
2
3_MD[63:0]
2
MAA[12:0]
2
MEMCLK2
16
CKEA
2
BSEL1A
2
MCS1A
2
SCL
3
MCS2A
2
SDA
3
3
3
2
2
1
1
D
C
B
A
+ !"#$%
PRINTER CONTROL PWB (6/17)
BUFFER
MEMD15
MEMD14
MEMD13
MEMD12
MEMD11
MEMD10
MEMD9
MEMD8
MEMD7
MEMD7
MEMD6
MEMD5
MEMD4
MEMD3
MEMD2
MEMD1
MEMD0
LA2
LA3
LA19
LA4
LA14
LA9
LA21
LA10
LA5
LA8
LA12
LA15
LA17
LA11
LA18
LA16
LA13
LA20
LA7
LA6
IOA6
IOA4
IOA4
IOA5
IOA8
IOA15
IOA3
IOA12
IOA2
IOA13
IOA11
IOA11
IOA1
IOA14
IOA9
IOA10
IOA7
SYSAD53
SYSAD11
SYSAD40
SYSAD14
SYSAD15
SYSAD0
SYSAD37
SYSAD36
SYSAD43
SYSAD39
SYSAD4
SYSAD12
SYSAD41
SYSAD10
SYSAD34
SYSAD49
SYSAD5
SYSAD9
SYSAD54
SYSAD45
SYSAD44
SYSAD48
SYSAD6
SYSAD42
SYSAD3
SYSAD52
SYSAD2
SYSAD1
SYSAD46
SYSAD47
SYSAD7
SYSAD13
SYSAD8
SYSAD33
SYSAD51
SYSAD38
SYSAD35
SYSAD50
LA22
FWE1
3_LDATA9
3_LDATA15
3_LDATA7
3_LDATA14
3_LDATA8
3_LDATA6
3_LDATA5
3_LDATA4
3_LDATA4
IOD
3_LDATA12
3_LDATA1
IOD
IOD
IOD
3_LDATA0
IOD
3_LDATA10
3_LDATA2
IOD
3_LDATA7
3_LDATA1
3_LDATA3
IOD
3_LDATA11
3_LDATA2
3_LDATA5
3_LDATA0
3_LDATA6
3_LDATA3
3_LDATA13
IOD
IOD
1Q1 2
1Q2 3
1Q3 5
1Q4 6
1Q5 8
1Q6 9
1Q7 11
1Q8 12
2Q1 13
2Q1 13
2Q2 14
2Q3 16
2Q4 17
2Q5 19
2Q6 20
2Q7 22
2Q8 23
1OE
1
2OE
24
1LE
48
2LE
25
1D1
47
1D2
46
1D3
44
1D4
43
1D5
41
1D6
40
1D7
38
1D8
37
2D1
36
2D2
35
2D3
33
2D4
32
2D5
30
2D6
29
2D7
27
2D8
26
VCC 7
VCC 18
VCC 31
VCC 42
GND 4
GND 10
GND 15
GND 21
GND 28
GND 34
GND 39
GND 45
1B1 2
1B2 3
1B3 5
1B4 6
1B5 8
1B6 9
1B7 11
1B8 12
2B1 13
2B2 14
2B3 16
2B4 17
2B5 19
2B6 20
2B7 22
2B8 23
1DIR 1
2DIR 24
1G 48
2G 25
1A1
47
1A2
46
1A3
44
1A4
43
1A5
41
1A6
40
1A7
38
1A8
37
2A1
36
2A2
35
2A3
33
2A4
32
2A5
30
2A6
29
2A7
27
2A8
26
VCC
7
VCC
18
VCC
31
VCC
42
GND
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
9
10
8
1Y1 2
1Y2 3
1Y3 5
1Y4 6
3Y1 13
3Y2 14
3Y3 16
3Y4 17
4Y1 19
4Y2 20
4Y3 22
4Y4 23
2Y1 8
2Y2 9
2Y3 11
2Y4 12
1A1
47
1A2
46
1A3
44
1A4
43
2A1
41
2A2
40
2A3
38
2A4
37
3A1
36
3A2
35
3A3
33
3A4
32
4A1
30
4A2
29
4A3
27
4A4
26
VCC
7
VCC
18
VCC
31
VCC
42
GND
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
1OE 1
2OE 48
4OE 24
3OE 25
1
2
2
3
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
T/R
1
OE
19
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
VCC 20
GND 10
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1 18
1Y2 16
1Y3 14
1Y4 12
2Y1 9
2Y2 7
2Y3 5
2Y4 3
1OE
1
2OE
19
VCC 20
GND 10
C173
0.1uF
0.1uF
C114
0.1uF
0.1uF
C51
0.1uF
0.1uF
IC32
74LCX16373MEA
IC23
74LCX16245MEA
C16
IC11C
74LCX32MTC
IC20
74LCX16244MEA
IC42A
74LCX08MTC
IC29
74LCX245MTC
C87
0.1uF
0.1uF
IC12
74LCX244MTC
3.3V
3.3V
3.3V
3.3V
3.3V
SYSAD[54:33]
2
ROMBUFOE
3
LA[22:2]
7,8
ROMBUFDIR
3
3_LDATA[15:0]
3
ALE
3
IOA[15:1]
8
FOE
7,8
FOE2
7
FWE2
7
BOOTCS
3,8
FMCS9_2
7
FWE0
16
ROMWE
3,8
FWE1
7
SYSAD[31:0]
2,4
SLC
8
LOE
3,8
IODG
8
SL
11
5
5
4
4
3
3
D
C
B
A
, !"#$%
MEMD15
MEMD14
MEMD13
MEMD12
MEMD11
MEMD10
MEMD9
MEMD8
MEMD7
MEMD7
MEMD6
MEMD5
MEMD4
MEMD3
MEMD2
MEMD1
MEMD0
MEMD30
MEMD21
MEMD22
MEMD23
MEMD16
MEMD31
MEMD24
MEMD26
MEMD29
MEMD25
MEMD27
MEMD17
MEMD18
MEMD19
MEMD28
MEMD20
SYSAD27
SYSAD28
SYSAD22
SYSAD16
SYSAD18
SYSAD20
SYSAD17
SYSAD26
SYSAD24
SYSAD24
SYSAD21
SYSAD25
SYSAD23
SYSAD29
SYSAD31
SYSAD19
SYSAD30
MEMD20
MEMD1
MEMD22
MEMD26
MEMD30
MEMD27
MEMD15
MEMD12
MEMD0
MEMD23
MEMD4
MEMD29
MEMD3
MEMD7
MEMD25
MEMD14
MEMD11
MEMD10
MEMD8
MEMD8
MEMD18
MEMD13
MEMD6
MEMD21
MEMD28
MEMD31
MEMD16
MEMD17
MEMD5
MEMD24
MEMD2
MEMD9
MEMD19
7
IOD7
5
IOD5
IOD3
4
IOD1
IOD2
IOD4
IOD2
IOD2
IOD6
0
IOD0
2
IOD3
1
IOD0
IOD7
IOD1
6
3
IOD4
IOD6
IOD5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
12
13
13
11
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
8
1B1 2
1B2 3
1B3 5
1B4 6
1B5 8
1B6 9
1B7 11
1B8 12
2B1 13
2B1 13
2B2 14
2B3 16
2B4 17
2B5 19
2B6 20
2B7 22
2B8 23
1DIR 1
2DIR 24
1G 48
2G 25
1A1
47
1A2
46
1A3
44
1A4
43
1A5
41
1A6
40
1A7
38
1A8
37
2A1
36
2A2
35
2A3
33
2A4
32
2A5
30
2A6
29
2A7
27
2A8
26
VCC
7
VCC
18
VCC
31
VCC
42
GND
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
1B1 2
1B2 3
1B3 5
1B4 6
1B5 8
1B6 9
1B7 11
1B8 12
2B1 13
2B2 14
2B3 16
2B4 17
2B5 19
2B6 20
2B7 22
2B8 23
1DIR 1
2DIR 24
1G 48
2G 25
1
2
3
4
5
6
7
8
1
1
2
3
4
5
6
7
8
CC
CC
CC
CC
ND
ND
ND
ND
ND
ND
ND
ND
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
T/R
1
OE
19
B0
18
B1
17
B2
16
B3
15
B4
14
B5
13
B6
12
B7
11
VCC 20
GND 10
BR35
10k
BR34
10k
BR89
10k
BR45
10k
IC42D
74LCX08MTC
BR46
10k
BR88
10k
C196
0.1uF
0.1uF
IC42C
74LCX08MTC
C52
0.1uF
0.1uF
IC15
74LCX16245MEA
23
16245MEA
C164
BR24
10k
BR31
10k
BR26
10k
BR29
10k
IC29
74LCX245MTC
3.3V
3.3V
3.3V
3.3V
3.3V
MEMD[31:0] 7
IOD[7:0]
8
FMCS9_2
7
SLCTIN_P
8
SLCTIN2
8
MEMD[31:0]
7
IOD[7:0]
8
SLCTIN
11
3
3
2
2
1
1
D
C
B
A
& !"#$%
SDIMM4
SDIMM5
PRINTER CONTROL PWB (7/17)
FLASH DIMM
1-2 : FLASH PROTECT OFF
2-3 : FLASH PROTECT ON
MEMD21
MEMD8
MEMD16
MEMD1
MEMD0
ME
MEMD3
ME
ME
MEMD25
ME
MEMD22
MEMD4
ME
ME
MEMD26
MEMD24
MEMD11
ME
MEMD28
MEMD15
MEMD2
MEMD27
ME
ME
MEMD18
ME
MEMD31
ME
MEMD20
MEMD10
ME
ME
ME
ME
ME
ME
ME
MEMD12
ME
ME
MEMD7
MEMD5
ME
ME
MEMD6
ME
ME
ME
ME
ME
ME
MEMD9
MEMD19
MEMD23
ME
MEMD29
MEMD30
MEMD14
ME
ME
ME
MEMD13
ME
MEMD17
FMCS12
FMCS13
FMCS8
FMCS9
FMCS11
FMCS10
LA4
LA6
LA15
LA8
LA2
LA20
LA14
LA9
LA11
LA11
LA12
LA16
LA5
LA17
LA21
LA7
LA3
LA13
LA19
LA18
LA10
LA12
LA21
LA9
LA16
LA17
LA2
LA11
LA6
LA8
LA8
LA18
LA15
LA10
LA20
LA14
LA19
LA4
LA3
LA13
LA7
LA5
FMCS9_1
A0
12
A1
13
A2
14
A3
15
A4
16
A5
17
A6
18
A7
28
A8
31
A9
32
1CE
40
NC
41
2CE
42
NC
43
OE
44
WP
46
WE
47
NC
11
RP
19
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
D15
35
D16
37
D17
38
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
D24
56
D25
57
D26
58
D27
60
D28
59
D29
62
D30
63
D31
64
RY/BY
45
BYTE
48
VCCW 55
VCC 10
NC
30
VCC 61
GND
1
GND
20
GND
39
A10
29
A11
33
A12
34
A13
36
A14
65
A15
66
A16
67
A17
68
A18
69
A19
70
A20
71
NC
72
3
1
2
A0
12
A1
13
A2
14
A3
15
A4
16
A5
17
A6
18
A7
28
A8
31
A9
32
1CE
40
NC
41
2CE
42
NC
43
OE
44
WP
46
WE
47
NC
11
RP
19
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
D15
35
D16
37
D17
38
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
D24
56
D25
57
D26
58
D27
60
D28
59
D29
62
D30
63
D31
64
RY/BY
45
BYTE
48
VCCW 55
VCC
10
NC
30
VCC
61
GND
1
GND
20
GND
39
A10
29
A11
33
A12
34
A13
36
A14
65
A15
66
A16
67
A17
68
A18
69
A19
70
A20
71
NC
72
R214 0
CN3
DMM2-SD72A-1131
C56
0.1uF
R85
10K
10K
R115
0
NO ASM
R98
0
0
JP2
TS3B-SQ
R157
0
R213
0
NO ASM
CN4
DMM2-SD72A-1131
C70
0.1uF
0.1uF
C110
10uF/16V
10uF/16V
+
R95
0
0
3.3V
3
3.3V
3.3V
3.3V
RD/BY
8
FOE
6,8
WP
8
FWE1
6
COLDRST
1,2
LA[22:2]
6,8
MEMD[31:0]
6
FVCCW
10
FMCS9_2
6
FMCS9
8
FMCS11
8
FMCS13
8
FMCS8
8
FMCS10
8
FMCS12
8
A
A
B
B
C
C
5
4
3
2
1
& !"#$%
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