Sharp ER-A450T Service Manual - Page 46

Gate Arraympca7

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8 7 6 GATE ARRAY(MPCA7) +5V D 6-2C /RES C148 0.01u 1-1A 8-4B 8-7A 8-4B /POFF HTS /SCK STH +5V +5V +5V +5V +5V (R204) R205 10K 10K R206 10K R207 10K R208 10K C149 330P C150 330P C151 330P C152 330P C153 330P 2-1D 2-1D C 2-1D 2-1C /AS /RD /WR PHAI D[0..7] D0 D1 D2 D3 D4 D5 D6 D7 2-5C 5-6A 8-8B NMI /RESET /SHEN 2-1C 2-1C RXD2 TXD2 2-1C SCK2 2-1C A[0..23] /IRQ0 A0 A1 B A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 7-2C VRESC +5V +5V R209 10K R210 10K A23 A IC10 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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 RF JF PCUT FCUT VF STAMP SLF SLRS SLMTD RES TRG TRG INT0 INT1 HTS1 SCK1 STH1 RASVZ N.U VCC VSS INTMCR VRESC SLTMG SLRST AS RD WR PHAI SDT7 SDT6 SDT5 VSS SDT4 SDT3 SDT2 SDT1 D0 D1 D2 D3 VSS D4 D5 D6 D7 SSPRQ RESET INT2 INT3 RXDI TXDI SCK1 IRQ0 A0 A1 A2 A3 A4 A5 VSS VCC A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 LCDC G.A(MPCA7) 8 7 6 5 4 3 2 1 3/12 +5V RASP DOTEN TWAIT N.U N.U N.U N.U N.U STH2 SCK2 HTS2 SLMTR SLMTS SLMTD RJMTR RAS3 NU VSS VCC ASKRX SYNC DOT8 DOT9 RJMTD RJMTS DOT5 DOT6 D0T7 VSS DOT1 DOT2 DOT3 DOT4 RJTMG RJRST RAS1 RAS2 ROS2 ROS1 OPTCS EXINT0 EXINT1 EXINT2 EXINT3 WR0 RD0 RA15 RA16 VSS RA17 RA18 EXWAIT WAIT MCR2 MCR1 DAX2 DAX1 RCRX IRRX VSS VCC UATX UARX UASCK IRTX RCO RCVRDY2 RCVRDY1 MA19 MA18 MA15 TEST MD0 MD1 IPLON INT4 PRST PTMG TRGI A23 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 +5V R229 10K C170 100P R228 100 +5V R225 10K C166 1000P /TWAIT 7-6B R227 100 C167 1000P R226 100 C168 1000P D FRD FSCK FSD 4-4C 4-4C 4-4C RAS3 5-7B +5V +5V +5V +5V +5V +5V +5V +5V +5V +5V +5V R231 R216 R217 R218 R219 R220 R221 R222 R223 R224 R230 C 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K /TPRCRQ RAS1 RAS2 /ROS1 /OPTCS /EXINT0 /TRQ1 /WR0 /RD0 7-7B 5-3D 5-5D 5-7C 6-2C 6-2C 6-2C 6-2C C157 330P C158 330P C159 330P C160 330P C161 330P C162 330P C163 330P C164 330P C165 330P C169 330P /WAIT 2-6B +5V +5V +5V B R213 R214 R215 10K 10K 10K MA15 5-8B +5V C154 0.1u C155 10u50V C156 0.1u /PRST /PTMG 2-2A 2-2A +5V +5V A R211 R212 10K 10K /RDY 4-4C 5 4 3 2 1

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8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
3/12
GATE ARRAY(MPCA7)
FRD
FSCK
FSD
4-4C
4-4C
+5V
+5V
/TWAIT
7-6B
R229
10K
R227
100
R228
100
R226
100
C170
100P
+5V
RF
1
JF
2
PCUT
3
FCUT
4
VF
5
STAMP
6
SLF
7
SLRS
8
SLMTD
9
RES
10
TRG
11
TRG
12
INT0
13
INT1
14
HTS1
15
SCK1
16
STH1
17
RASVZ
18
N.U
19
VCC
20
VSS
21
INTMCR
22
VRESC
23
SLTMG
24
SLRST
25
AS
26
RD
27
WR
28
PHAI
29
SDT6
31
SDT5
32
VSS
33
SDT4
34
SDT3
35
SDT2
36
SDT1
37
D0
38
D1
39
D2
40
D3
41
VSS
42
D4
43
D5
44
D6
45
D7
46
RESET
48
SSPRQ
47
INT2
49
INT3
50
RXDI
51
TXDI
52
SCK1
53
IRQ0
54
A0
55
A1
56
A2
57
A3
58
A4
59
A5
60
EXINT0
120
EXINT1
119
EXINT2
118
EXINT3
117
WR0
116
RD0
115
RA15
114
RA16
113
VSS
112
RA17
111
RA18
110
EXWAIT
109
WAIT
108
MCR2
107
MCR1
106
DAX2
105
DAX1
104
RCRX
103
IRRX
102
VSS
101
VCC
100
UATX
99
UARX
98
UASCK
97
IRTX
96
RCO
95
RCVRDY2
94
PTMG
83
TRGI
82
A23
81
LCDC
80
A22
79
A21
78
A20
77
A19
76
A18
75
A17
74
A16
73
A15
72
A14
71
A13
70
A12
69
A11
68
A10
67
A9
66
A8
65
A7
64
A6
63
VCC
62
VSS
61
PRST
84
RCVRDY1
93
MA19
92
MA18
91
MA15
90
TEST
89
MD0
88
MD1
87
IPLON
86
INT4
85
SDT7
30
RASP
160
DOTEN
159
TWAIT
158
N.U
157
N.U
156
N.U
155
N.U
154
N.U
153
STH2
152
SCK2
151
HTS2
150
SLMTR
149
SLMTS
148
SLMTD
147
RJMTR
146
RAS3
145
NU
144
VSS
143
VCC
142
ASKRX
141
SYNC
140
DOT8
139
DOT9
138
RJMTD
137
RJMTS
136
DOT5
135
DOT6
134
D0T7
133
VSS
132
DOT1
131
DOT2
130
DOT3
129
DOT4
128
RJTMG
127
RJRST
126
RAS1
125
RAS2
124
ROS2
123
ROS1
122
OPTCS
121
IC10
G.A(MPCA7)
/RES
+5V
+5V
+5V
+5V
+5V
6-2C
C148
0.01u
(R204)
10K
R207
10K
R208
10K
R205
10K
R206
10K
VRESC
/AS
/RD
/WR
PHAI
D[0..7]
+5V
+5V
D0
D1
D2
HTS
/SCK
STH
/POFF
C149
330P
C150
330P
C151
330P
C152
330P
C153
330P
R210
10K
1-1A
8-4B
8-7A
8-4B
2-1D
2-1D
2-1D
2-1C
7-2C
R209
10K
+5V
+5V
+5V
+5V
+5V
+5V
R225
10K
C166
1000P
C167
1000P
C168
1000P
R231
10K
R216
10K
R217
10K
R218
10K
R219
10K
+5V
+5V
+5V
RAS3
/ROS1
RAS2
RAS1
+5V
+5V
/OPTCS
5-7C
5-5D
5-3D
7-7B
5-7B
4-4C
+5V
/TPRCRQ
R220
10K
R221
10K
R222
10K
R223
10K
R224
10K
R230
10K
/EXINT0
/RD0
/WR0
C161
330P
C162
330P
C163
330P
C164
330P
C165
330P
6-2C
6-2C
6-2C
/TRQ1
6-2C
C169
330P
/WAIT
+5V
+5V
+5V
+5V
C157
330P
C158
330P
C159
330P
C160
330P
2-6B
R213
10K
R215
10K
R214
10K
A[0..23]
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
5-6A
2-5C
2-1C
2-1C
2-1C
2-1C
NMI
/RESET
RXD2
TXD2
SCK2
/IRQ0
/SHEN
8-8B
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
+5V
+5V
/PRST
/PTMG
MA15
R211
10K
2-2A
2-2A
5-8B
/RDY
4-4C
R212
10K
C155
10u50V
C156
0.1u
C154
0.1u