Sharp ER-A530 Service Manual Page 23
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ER-A520U/ER-A530U CIRCUIT DIAGRAM AND PWB LAYOUT
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1/7
CPU
100pF*10100pF*10
33pF*8
100pF*4
PLACE NEAR CPU!!!
PLACE NEAR CPU!!!
NOT USE
NOT USED
14Pin : VD D
IC2 7Pin : G ND
KS 5
KS 0
CS1#
KS 7
KS 6
ER1#
KS 2
DR2#
CD1#
CD2#
DR1#
CS2#
ER2#
KS 1
KS 4
RESET#
A22
KS 3
D4
D7
D5
D6
BUZZER
IPLON0#
A20
A1
A11
A21
A0
A12
A4
A5
A21
A10
A18
A8
A16
A13
A7
A9
A3
A17
A22
A19
A20
A2
A14
A15
A6
D1
D2
D3
D0
RESET#
BUZZER
PCLCK
SO
SI
CS1# 5
KS2 3
JAS 4
LR/W# 3
KS0 3
CD1# 5
LEDS1 3
DATALE 3
D [0..7] 2,3,6
RBS 4
LEDS3 3
A[0..22] 2,3,6
A23# 2,3
LEDS0 3
CD2# 5
LEDS2 3
ER2# 5
DR1# 5
RDS 4
LE 3
DR2# 5
LCDON 3
KS1 3
WR# 2,3,6
RD# 2,6
BLON 3
ER1# 5
CS2# 5
KR8#3
KR9#3
MODE#3
FSR#3
KS3 3
IPLON0 2
WP#2
RY/BY#2
POFF#2,3
PHUPS4
VREF4
JPES4
TM4
RPES4
VPTEST4
VHCOM4
RAS 4
JBS 4
JDS 4
PCLK6
SO6
SI6
SCK5
HTS5
STH5
SHEN#5
KR0#3
KR1#3
KR2#3
KR3#3
KR4#3
KR5#3
KR6#3
KR7#
3
TXD
1
5
RXD15
CI1#5
RS1#5
TXD25
RXD25
CI2#5
RS2#5
LRS 3
M_RESET#3
RES# 2,3
DSEN6
DRAWER1
6
DRAWER26
STRB4#4,6
STRB2#4,6
LATCH#6
STRB3#4,6
STRB1#4,6
RESET 5
CKDCR5
VCC
VDD
VDD
VCC
VDD
VCC
VCC
VCC
VCC
VDD
VCC
VCC
VCC
VDD
VCC
VCC
VCC
VCC
VCC
VCC VCC
VCC
C13
100pF
R83 47K
IC34
KIA7045F
1
2
3
R87
10K
R8
10K
R70
2.2K
R16
10K
R89
10K
R34 33
R29
10K
C31
33pF
C27
33pF
C37
33pF
R9
10K
R91
10K
R66
10K
R78
10K
C45
330pF
R71
47K
R92
10K
R10
10K
R59
10K
C44
0.1uF
R37 33
R30
10K
R44 100
R171
47K
C14
100pF
C26
33pF
R69
47K
R93
10K
C33
100pF
R51 10K
R54
47K
R43
10K
R31
10K
R36 33
R167
47K
C138
100pF
C43
330pF
R32
10K
C15
100pF
R80
10K
R88
10K
R58
10K
R65
10K
R172
100
R1
10K
R62
10K
R24
10K
C35
100pF
C19
100pF
C49
330pF
R11
10K
R86
3.3K
C51
0.1uF
R85
470
C25
33pF
R22
10K
D1
1SS355
IC3
FS781
1
2
3
4
5
6
7
8
XIN
XOUT
S1
LF VSS
FSOUT
S0
VDD
C41
330pF
R74 0
C24
33pF
R2
10K
R170
47K
C18
100pF
+
C52
10uF/10V,OS
R79
10K
R53
10K
C48
330pF
R94
10K
R12
10K
R38 33
R45 100
C54
330pF
C16
100pF
R41 100
R166
47K
C22
100pF
C36
100pF
R39 33
IC21A
74HC02
2
3
1
X2
CST12.0MTW
2
3
1
C17
100pF
R72
12K
R18
10K
R40 33
R50
10K
C53
0.1uF
R19
10K
R64
10K
C32
330pF
R3
10K
+
C2
10uF/16V
R73 47K
R56
10K
R82
22K
C9
100pF
R153
330
B
+
BZ1
2048BH
R4
10K
C20
100pF
C34
100pF
C4
100pF
R13
10K
C21
100pF
R76
10K
C47
330pF
C7
100pF
R5
10K
R67
10K
R25
10K
R169
47K
C6
100pF
R46
100
C40
27pF
R14
10K
R77
10K
IC2A
74LV00A
1
2
3
C38
33pF
R20
10K
R61
330
X1
32.768KHz
IC2B
74LV00A
4
5
6
C39
18pF
C28
33pF
C50
1000pF
IC1
VHI30802SB-1(M30802SGP)
140
41
47
21
142
143
23
101
39
100
59
74
91
132
99
98
97
96
95
94
57
76
92
93
85
130
84
83
82
81
80
79
78
77
75
73
122
121
120
119
113
112
111
110
109
108
107
106
105
104
103
102
46
45
44
43
42
40
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
18
17
7
6
5
4
3
2
1
144
141
15
139
16
138
137
136
135
134
133
72
71
70
52
69
65
64
63
22
20
19
62
55
54
53
118
117
116
115
114
90
89
88
87
86
68
67
66
60
58
56
51
50
61
12
11
10
9
8
131
129
128
14
13
49
48
127
126
125
124
123
AVss
Vss
P60/CTS0/RTS0
Vss
Vref
AVcc
Vcc P20/A0(/D0)
Vcc
P21/A1(/D1)
Vcc
Vcc
Vcc
Vcc P22/A2(/D2)
P23/A3(/D3)
P24/A4(/D4)
P25/A5(/D5)
P26/A6(/D6)
P27/A7(/D7)
Vss
Vss
P30/A8(MA0)(/D8)
Vss
P31/A9(MA1)(/D9)
Vss
P32/A10(MA2)(/D10)
P33/A11(MA3)(/D11)
P34/A12(MA4)(/D12)
P35/A13(MA5)(/D13)
P36/A14(MA6)(/D14)
P37/A15(MA7)(/D15)
P40/A16(MA8)
P41/A17(MA9)
P42/A18(MA10)
P43/A19(MA11)
P00/D0
P01/D1
P02/D2
P03/D3
P04/D4
P05/D5
P06/D6
P07/D7
P10/D8
P11/D9
P12/D10
P13/D11
P14/D12
P15/D13/INT3
P16/D14/INT4
P17/D15/INT5
P61/CLK0
P62/RxD0
P63/TxD0
P64/CTS1/RTS1/CTS0/CLKS1
P65/CLK1
P66/RxD1
P67/TxD1
P70/TxD2/SDA2/TA0out
P71/RxD2/SCL2/TA0in/TB5in
P72/CLK2/TA1out/V
P73/CTS2/RTS2/TA1in/V
P74/TA2out/W
P75/TA2in/W
P76/TA3out
P77/TA3in
P80/TA4out/U
P81/TA4in/U
P82/INT0
P83/INT1
P84/INT2
P85/NMI
P86/Xcout
P87/Xcin
P90/TB0in/CLK3
P91/TB1in/RxD3/SCL3/STxD3
P92/TB2in/TxD3/SDA3/SRxD3
P93/DA0/TB3in/CTS3/RTS3/SS3
P94/DA1/TB4in/CTS4/RTS4/SS4
P95/ANEX0/CLK4
P96/ANEX1/TxD4/SDA4/SRxD4
P97/ADtrg/RxD4/SCL4/STxD4
P100/AN0
BYTE
P101/AN1
CNVss
P102/AN2
P103/AN3
P104/AN4/KI0
P105/AN5/KI1
P106/AN6/KI2
P107/AN7/KI3
P44/CS3/A20(MA12)
P45/CS2/A21
P46/CS1/A22
P57/RDY
P47/CS0/A23
P50/WRL/WR/CASL
P51/WRH/BHE/CASH
P52/RD/DW
Xin
Xout
RESET
P53/BCLK/ALE/CLKout
P54/HLDA/ALE
P55/HOLD
P56/ALE/RAS
P110
P111
P112
P113
P114
P120
P121
P122
P123
P124
P125
P126
P127
P131
P132
P133
P134
P135
P130
P142
P143
P144
P145
P146
P150
P151
P152
P140
P141
P136
P137
P153
P154
P155
P156
P157
C8
100pF
R48
10K
+
C1
10uF/10V,OS
R6
10K
R27
10K
R63
10K
R68
47K
R57
10K
R55
47K
C29
33pF
R23
10K
C10
100pF
R33 33
C23
100pF
R26
10K
C11
100pF
R75
10K
R42 100
C46
330pF
Q1
C2412K
C5
100pF
C42
330pF
R49
10K
R7
10K
R28
10K
R168
47K
C12
100pF
R81
10K
R47
10K
C3
0.1uF
R17
10K
R60
10K
R15
10K
R90
10K
R52 100
R35
33
C30
33pF
R21
10K
CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT
- SERVICE MANUAL 1
- CHAPTER 1. SPECIFICATIONS 2
- ER-A530 3
- 4. MODE SWITCH 4
- 5. DISPLAY 5
- 6. PRINTER 5
- CHAPTER 2. OPTIONS 6
- 1. MASTER RESET 1 7
- 2. MASTER RESET 2 7
- 3. PROGRAM RESET 7
- 1. BLOCK DIAGRAM 8
- 2. MEMORY MAP 8
- 3. CPU PIN TABLE 9
- POWER SUPPLY/CONTROL PINS 10
- 4. PRINTER CONTROL 11
- 5. A/D CONVERSION 12
- 6. KEY/DISPLAY 12
- 6-2. KEY/DISPLAY SCAN 13
- 7. SERIAL I/O 14
- 8. POWER 14
- 10. DRAWER 14
- 12. BUZZER 15
- 13. UP-P16DP I/F 15
- 14. RESET 15
- 15. POFF 15
- CHAPTER 5. DIAGNOSTIC PROGRAM 16
- Enlargement 17
- OP display 19
- 18) RS232 CH2 TEST 21
- 19)SCANNER TEST 21
- CHAPTER 6. IPL FROM EP-ROM 22
- VHI30802SB-1(M30802SGP) 23
- SRAM / FROM / EPROM / POFF 24
- LCD I/F / KEY I/F 25
- PRINTER DRIVER 26
- RS232C DRIVER / UP-P16DP CN 27
- [+5V, VLED] 29
- PWB LAYOUT 30
- COPYRIGHT 33
- 2004 BY SHARP CORPORATION 33
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