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PDF ER-A440 Data sheet ( Hoja de datos )
| Número de pieza | ER-A440 | |
| Descripción | Service Manual | |
| Fabricantes | Sharp | |
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SERVICE MANUAL
ELECTRONIC
CASH REGISTER
MODEL ER-A440
SRV Key : LKGIM7113RCZZ
PRINTER : DP-730
("U" & "A" version)
CAUTION
EXTREME CAUTION MUST BE TAKEN WHEN SERVICING THIS MACHINE. EVEN
THOUGH THE MODE SWITCH IS IN THE OFF POSITION, VOLTAGE IS STILL SUPPLIED
TO THE ENTIRE MACHINE.
WHEN WORKING ON THIS MACHINE MAKE SURE THAT THE POWER CORD IS
REMOVED FROM THE WALL OUTLET.
CONTENTS
CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
CHAPTER 3. SERVICE (SRV) MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
CHAPTER 5. TEST FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
CHAPTER 6. DOWN LOAD FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
CHAPTER 7. SERVICE PRECAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
CHAPTER 8. CIRCUIT DIAGRAM & PWB LAYOUT . . . . . . . . . . . . . . . . . . . 8-1
PARTS GUIDE
Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones
for maintaining the safety and performance of the set.
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This document has been published to be used
SHARP CORPORATION for after sales service only.
The contents are subject to change without notice.
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CHAPTER 2. OPTIONS
1. System configuration
(NOTE1)
This symbol shows
NEW MODEL
LOCAL PURCHASE
COMPUTER
ER-A440
ER-03RA
MASTER MACHINE
OPTION RAM
ER-01/02FD
COMMERCIAL
PRODUCT
3.5 inch FDD
CABLE
ER-04DW
REMOTE DRAWER
Fig. 1-1
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3) Pin description
PIN
No.
SYMBOL
SIGNAL
NAME
1
2
3 VSS
4 P10
5 P11
6 P12
7 P13
8 P14
9
VSS
ERC
LDRQ
/SHEN
/FRES
BUSY
10
11 P17
12 D0
13 D1
14 D2
15 D3
16 D4
17 D5
18 D6
19 D7
20 VSS
21 A0
22 A1
23 A2
24 A3
25 A4
26 A5
27 A6
28 A7
29 A8
30 A9
31 A10
32 A11
33 A12
34 A13
35 A14
36 A15
37 VSS
38 A16
39 A17
40 A18
41 A19
42 A20
43 A21
44 A22
45 A23
46 VSS
47 /WAIT
48
49 /BREQ
50 P33
51 P34
52 P35
53 P36
54 P37
55 VCC
56 P40
57
D0
D1
D2
D3
D4
D5
D6
D7
VSS
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
VSS
A16
A17
A18
A19
A20
A21
A22
A23
VSS
/WAIT
/BREQ
DOPS
/DR0
/DR1
NU
NU
VCC
/IFV
IN/
OUT
IN
IN
OUT
OUT
IN
OUT
IN
IN
IN
IN
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
IN
IN
OUT
OUT
IN
IN
IN
IN
FUNCTION
RESET INPUT from CKDC WUTH
BUFFER
NON-MASKABLE INTERRUPT INPUT
FOR SSP INTERRUPT INPUT
GND
EVENT READ CANCEL (to CKDC)
LOAD REQUEST (to CKDC)
SHIFT ENABLE (from CKDC)
FISCAL MEMORY RESET (NU)
FISCAL MEMORY BUSY (NU) Pull-up
FISCAL MEMORY READY (NU)
Pull-up
POP-UP DISPLAY SENSOR (NU)
Pull-up
GND Nu
DATA BUS 0
DATA BUS 1
DATA BUS 2
DATA BUS 3
DATA BUS 4
DATA BUS 5
DATA BUS 6
DATA BUS 7
GND
ADDRESS BUS 0
ADDRESS BUS 1
ADDRESS BUS 2
ADDRESS BUS 3
ADDRESS BUS 4
ADDRESS BUS 5
ADDRESS BUS 6
ADDRESS BUS 7
ADDRESS BUS 8
ADDRESS BUS 9
ADDRESS BUS 10
ADDRESS BUS 11
ADDRESS BUS 12
ADDRESS BUS 13
ADDRESS BUS 14
ADDRESS BUS 15
GND
ADDRESS BUS 16
ADDRESS BUS 17
ADDRESS BUS 18
ADDRESS BUS 19
ADDRESS BUS 20
ADDRESS BUS 21
ADDRESS BUS 22
ADDRESS BUS 23
GND
Wait signal from MPCA
Bus control request acknowl edge (Nu)
Bus control request (Nu) pull-up
Drawer open sencer signal
Drawer open drive signal
Option drawer 1 drive signal
(Nu) GND
(Nu) GND
+5V
Slip printer enable (Nu) pull-up
Printer (Dp-730) timing signal from
MPCA
PIN
No.
SYMBOL
SIGNAL
NAME
58 P42
/TOF
59 P43
/BOF
60
61 P45
/NEJ
62
63 P47
64 VSS
65 P50
66 P51
67 P52
68 P53
69 P54
70 P55
71 P56
72 P57
/NER
VSS
TRG1
/PSTOP
/CKDCR2
OPDS
FVPON
FMRS
/SLIPLMP
/STOP
73
74
75
76
77
78
79
80
81 VSS
82 AVSS
83 P70
84 P71
85 P72
86 P73
87 AVCC
88 VCC
89 P80
VSS
AVSS
VPJ
VPR
VPTEST
AVCC
VCC
/iRQ0
90
IN/
OUT
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
IN
OUT
IN
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
FUNCTION
Slip TOF signal (Nu) pull-up
Slip BOF signal (Nu) pull-up
Printer (Dp-730) Reset signal from
MPCA
Near END signal jounal
CKDC interface shift enable signal
(NU) GND
Near END signal receipt
GND
Dot pulse adjust signal
Nu
Nu
Nu (GND)
Nu
Nu (GND)
Nu
Nu
ER signal for RS232 (Equipment
Ready)
DR signal for RS232 (Data set Ready)
CS signal for RS232 (Clear to Send)
CD signal for RS232 (Carrier Detect)
RR signal for RS232 (Ready to
Receive) (Nu)
RS signal for RS232 (Request to Send)
CI signal for RS232 (Calling Indicator)
Printer (Dp-730) Home position pulse
GND
GND
Validation sensor journal (NU) GND
Validation sensor receipt (NU) GND
+24V test input
Validation sense signal (Nu) GND
+5V
+5V
Interrupt signal 0 from MPCA
Interrupt signal from OPTION PWB
91 P82
92 P83
93 P84
94 P85
95
/iRQ2
SCK2
RXD
TXD
96
97 VSS
98 EXTAL
99 XTAL
100 VSS
101 φ
102 E
103 /AS
104 /RD
105 /HWR
106 /LWR
107 /RFSH
108 VCC
109 MD0
110 MD1
111 MD2
112 /STBY
VSS
EXTAL
XTAL
VSS
φ
/AS
/RD
/WR
/RFSH
VCC
MD0
MD1
MD2
/STBY
IN
OUT
IN
OUT
IN
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Interrupt signal (Nu) pull-up
CKDC & FMC i/F sync shift clock
RS232C RECEIVE DATA
RS232C SEND DATA
CKDC, Fiscal memory unit I/F shift
input data
CKDC, Fiscal memory unit I/F shift
output data
GND
X-TAL (14.7456MHz)
X-TAL (14.7456MHz)
GND
System clock (7.3728MHz)
E clock (NU)
Address strobe
Read
Write
Nu
Refresh cycle (NU)
+5V
+5V (MODE 3)
+5V (MODE 3)
GND (MODE 3)
+5V (Nu)
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ER-A440.PDF ] | |
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