Sharp ER-A770 Service Manual Page 31
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2-2. G.A.(MPCA8)
1) Pin configuration
1
RF
2
JF
3
PCUTZ
4
FCUTZ
5
VFZ
6
STAMPZ
7
VIOZ
8
VMEMZ
9
SWAPZ
10
RESZ
11
FROS1Z
12
13
POFF
14
INT1Z
15
HTS1
16
SCK1
17
STH1
18
MCRINT
19
VWAITZ
20
VDD
21
GND
22
MCRINTZ
23
VRESC
24
SLTMG
25
SLRST
26
ASZ
27
RDZ
28
WRZ
29
PHAI
30
RASPN1
31
32
33
GND
34
35
36
VGALZ
37
SDT1Z
38
ID0
39
ID1
40
ID2
160
RASP
159
158
LCDWT
157
CLS2
156
RDD2
155
TEST2
154
TEST1
153
TEST0
152
STH2
151
SCK2
150
HTS2
149
RCP1
148
SLMTS
147
SLMTD
146
CLS1
145
RAS3
144
RDD1
143
GND
142
VDD
141
ASKRXZ
140
SYNC
139
DT8
138
DT9
137
RJMTD
136
RJMTS
135
DT5
134
DT6
133
DT7
132
GND
131
DT1
130
DT2
129
DT3
128
DT4
127
RJTMG
126
TPCKI
125
TPTXD
124
RAS2
123
ROS2Z
122
ROS1Z
121
OPTCSZ
41
ID3
42
GND
43
ID4
44
ID5
45
ID6
46
ID7
47
SSPRQZ
48
RESETZ
49
INT2Z
50
INT3Z
51
RXDI
52
TXDI
53
SCKI
54
IRQ0Z
55
A0
56
A1
57
A2
58
A3
59
A4
60
A5
61
GND
62
VDD
63
A6
64
A7
65
A8
66
A9
67
A10
68
A11
69
A12
70
A13
71
A14
72
A15
73
A16
74
A17
75
A18
76
A19
77
A20
78
A21
79
A22
80
LCDCZ
120
EXINT0Z
119
EXINT1Z
118
EXINT2Z
117
EXINT3Z
116
WROZ
115
RDOZ
114
RA15
113
RA16
112
GND
111
RA17
110
RA18
109
EXWAITZ
108
WAITZ
107
MCR2Z
106
IPLON
105
DAX2
104
DAX1
103
RCRXZ
102
IRRXZ
101
GND
100
VDD
99
UATXZ
98
UARXZ
97
UASCK
96
IRTX
95
RCO
94
RCVRDY2
93
92
91
90
TPRRDYZ
89
TESTZ
88
MD0
87
MD1
86
IPLONZ
85
INT4Z
84
PRST
83
PTMG
82
TRGI
81
A23
RCVRDY1
RCP2
FROMLZ
RASPN1E
RASPN12Z
RASPN2
RASPN2E
TPTRDYZ
TPRDY
- SERVICE MANUAL 1
- CHAPTER 1. SPECIFICATION 2
- 3. Display 4
- CHAPTER 2. OPTIONS 5
- ER-A770 bus connector 7
- CHAPTER 3. SERVICE PRECAUTION 8
- IPL from IR 10
- Connected 115200 10
- 21 22 23 24 25 26 27 28 10
- SENDING 00000 11
- 4. Note for handling of LCD 12
- 6. Others 12
- SRV. reset 13
- MRS-1 Key 14
- Symbol/PartsCod) 15
- MRS-3 Key 16
- ENTER PASSWORD 16
- 1. General 17
- 2. System configuration 17
- 3. Diagnostics 17
- 3-2. RAM Diagnostics 18
- UP-P02MB2 Check 19
- Error Address xxxxxxH 19
- Write Data xxxxH 19
- Read Data xxxxH 19
- 3-5. RS232 I/F Diagnostics 20
- RS232 CH1 Check 21
- ER-DR : ERROR!! 21
- Rear Display Check 23
- • Satellite machine setting 24
- • Master machine setting 25
- Magnetic Card Reader Check 26
- TRACK1:BUFFER EMPTY 26
- TRACK1:MCR ERROR 26
- TRACK2:BUFFER EMPTY 26
- TRACK2:MCR ERROR 26
- 1. Hardware block diagram 27
- 2) Block diagram 29
- 3) Pin description 30
- 2-2. G.A.(MPCA8) 31
- 2-3. OPC2 35
- 1) Features 38
- 2) Pin configuration 38
- 3) General description 39
- 4) Pin description 39
- 2) General description 39
- 3) Pin configuration 40
- 4) Functional description 40
- 5) Pin description 40
- DMA CONTROLLER 41
- 1) FEATURES 41
- 2-7. MB62H149 42
- 1) Pin Configuration 44
- 2-9. CKDC9 (HD404728B02FS) 46
- (MAX4MB) 48
- 4. LCD display 49
- 5. Customer display 49
- 6. Pseudo SRAM (Standard) 50
- 7. NOR-type flash memory 50
- 8. SSP control 50
- 9. Interrupt control 50
- 10. WAIT control 51
- 11. CKDC9 51
- 12. Option RAM interface 51
- 13. Reset sequence 52
- 14. Drawer 52
- 16. RS232 53
- CHAPTER 8. CIRCUIT DIAGRAM 54
- FLASH ROM 56
- ODD SIDE 57
- EVEN SIDE 57
- +24V/+5V POWER CIRCUIT 65
- DC-DC CNV CIRCUIT 66
- CONNECTOR 67
- 2. CKDC PWB 68
- 3. INVERTOR PWB 70
- 4. N/F PWB 71
- 2. Main PWB (Side-B) 73
- 3. Mother PWB 74
- 4. CKDC PWB 74
- 5. Inverter PWB 75
- 6. Noise filter PWB 75
- PARTS GUIDE 76
- 1 Top cabinet etc 77
- 2 Bottom cabinet etc 79
- 4 Main PWB unit 81
- 5 Mother PWB unit 84
- 6 CKDC PWB unit 84
- 7 NF PWB unit 85
- 8 Inverter PWB unit 85
- 9 Service tools 85
- 10 Supply 85
- PARTS CODE NO 86
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