Sharp ER-A450 (serv.man2) Service Manual ▷ View online
SERVICE MANUAL
ELECTRONIC
CASH REGISTER
CASH REGISTER
MODEL
ER-A440
SRV Key : LKGIM7113RCZZ
PRINTER : DP-730
PRINTER : DP-730
("V" 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.
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.
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
SHARP CORPORATION
CONTENTS
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
for after sales service only.
The contents are subject to change without notice.
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.
CHAPTER 1. SPECIFICATIONS
1. Appearance/Rating
1) Rating
Power source
AC 120 V
±
10% 50/60Hz
Power consumption
Standby:
11.5 W
Maximum: 40 W (max.)
Operating temperature
0°C
∼
40°C (32°F
∼
104°F)
Operating humidity
10%
∼
90% (RH)
Physical dimensions,
including the drawer
including the drawer
355(W)
×
424(D)
×
308(H)mm
16.5(W)
×
16.8(D)
×
11.5(H)in.
Weight
28.7 lbs (13.5 kg)
2. Keyboard
1) Standard keyboard layout
Fig. 2-1
2) Key top name
WYPL2
WYPL2
WYPL2
WYPL2
RECEIOT
#
RCPT
CL
NS
0
00
1
2
3
4
5
6
7
8
9
1
6
11
16
2
7
12
17
3
8
13
18
4
9
14
19
5
10
15
20
TL
CH1
CH2
CR1
CR3
AUTO
1
PLU/SUB
EX1
CASH#
EX2
CR2
ST
JOURNAL
%2 RF
PO RA
%1
AMT
AUTO
2
VAT
Standard Key Top
KEY TOP
DESCRIPTION
0 to 9, 00
Numeric keys
•
Decimal point key
CL
Clear key
⊗
Multiplication key
1 to 20
Department keys
↑
RECEIPT
Receipt paper feed key
↑
JOURNAL
Journal paper feed key
RCPT
Receipt print and Receipt on/off key
%1, %2
Percent keys
Discount key
PO
Paid out key
RF
Refund key
#
Non-add code entry key
NS
No sale key
RA
Recived on account key
Void key
AUTO1, AUTO2
Automatically entry keys
PLU/SUB
PLU/Subdepartment code entry key
AMT
Amount entry key
VAT
Value added tax key
EX1, EX2
Foreign currency exchange keys
CASH#
Cashier code entry key
CR1, CR2, CR3
Credit keys
CH1, CH2
Check keys
ST
Subtotal key
TL
Total (Cash eoeal) key
Optional Key Top
KEY TOP
DESCRIPTION
21 to 50
Department 21 to 50 key
GC COPY
Guest check copy key
PRINT
Validation print key
%3, %4
Percent keys
2,
3,
4
Discount key
AUTO3
∼
AUTO10
Automatically entry keys
CA2
Cash total 2 key
CH3, CH4
Check keys
CR4
Credit key
EX3, EX4
Foreign currency exchange keys
RA2
Recived on account key
PO2
Paid out key
1/2
1/2 key
VAT SHIFT
Value added taxahift key
DIFFER ST
Difference subtotal key
CLK #
Clerk code entry key
1 – 1
3. Mode switch
Fig. 3-1
The key can be removed in the REG or OFF position.
In the SRV’ mode, key inputs are prohibited and no display is
made.
made.
[Functions]
•
Function for each key position
•
SRV’:
System reset
•
SRV:
Service mode (Service programming)
•
PGM2: Allows programming of an item that is not changed
frequently, in addition to the PGM1 mode program-
ming.
ming.
•
PGM1: Allows programming of items frequently changed (e.g.
department, PLU pricing, and discount rate setting).
•
OP, X/Z: Allows X or Z operation by clerks or cashiers.
•
REG:
Allows registrations.
•
MGR:
Allows the operations, by authorized person such as a
manager (e.g. correction after transaction finished or
cancellation of entry limits), which are not permitted to
ordinary cashiers.
manager (e.g. correction after transaction finished or
cancellation of entry limits), which are not permitted to
ordinary cashiers.
•
X1/Z1:
Allows reading and resetting of a day’s sales total.
•
X2/Z2:
Allows reading or resetting sales totals in a specified
period.
period.
•
:
Switching off the display to prevent key board entries.
4. Display
1) Layout
Operator display
Fig. 4-1
7 segment display (LED)
No. of positions
10
Color of display
Yellow Green
Character size
14.2 (H)
✕
8.0 (W) mm
Customer display (Pop-up display)
Fig. 4-2
7 segment display (LED)
No. of positions
7
Color of display
Yellow Green
Character size
14.2 (H)
✕
8.0 (W) mm
Display contents
Display
Position
Description
Amount
1-8
Minus sign
4-10
–: Floating
Error
10
E
PGM Mode
10
P
VOID Mode
10
u
TL, CH, CR
10
F: Lights up when a registration is
finalized by depressing TL, CH, CR key
finalized by depressing TL, CH, CR key
SUB TOTAL/
short tender
short tender
10
o
Change
10
C: Light up whenever the change due
amount appears in the display.
amount appears in the display.
Department
9-10
No zero-suppressed
PLU
5-10
No zero-suppressed
Repeat
8
Endless count, starting from 2.
Decimal point
3-1
TAB
Receipt OFF
9
_
Cashier No.
2-3
–xx–: free code
Clerk No.
2-3
C–xx–: clerk code
VP
compulsory
compulsory
10
U: Light up when the validation printing is
compulsory
CCD
compulsory
compulsory
10
C: Light up when CCD is compulsory.
5. Printer (DP-730)
1) Specifications
•
Part number:
DP-730
•
No. of stations:
2
•
Printing system:
Mechanical serial dot
•
Direction of printing:
Bidirectional
•
Printing capacity:
Receipt – 24 characters
Journal – 24 characters
Validation – 55 characters
(one line only)
•
Character size:
1.36 (W)
✕
2.75 (H) mm at 7
✕
7 dots
Print pitch:
Column distance
Row distance
1.59 mm
5.08 mm
5.08 mm
•
Total number of dots:
Receipt – 108 dots/216 positions
Journal – 108 dots/216 positions
Validation – 248 dots/495 positions
Journal – 108 dots/216 positions
Validation – 248 dots/495 positions
•
Font:
7
✕
7 dots (including half dot)
Space between characters – 1 dot (2
positions)
positions)
X2/Z2
X1/Z1
MGR
REG
OP,X/Z
PGM1
PGM2
(SRV)
(SRV')
OP
SM
MA
SRV
1 – 2
•
Distance between dots:
0.353 mm (H)
✕
0.353 mm (W)
•
Journal near end sensor:
Service route option
•
Print speed:
Approx. 3.0 lines/sec.
•
Paper feed speed:
Receipt – Approx. 30 lines/sec.
Journal – Approx. 30 lines/sec.
•
Reliability:
MCBF – 4 million lines (excluding the
print head)
print head)
Head life – 50 million characters
(at 4 dots/1 character/
1 pin)
1 pin)
•
Validation form sensor:
Not setup
2) Printing area
Receipt/journal
Fig. 5-1
Validation form
Fig. 5-2
3) Paper
•
Paper roll dimensions: 44.5
±
0.5mm in width, 83mm in diameter
•
Paper quality:
Journal
Bond paper (paper thickness: 0.06 to
0.09mm, paper weight: 52.3 to 64g/m
0.09mm, paper weight: 52.3 to 64g/m
2
)
Validation form
Thickness: 0.07 to 0.14mm
Thickness: 0.07 to 0.14mm
Size:
130mm or more
(
W
)
✕
70mm or more
(
H
)
4) Inking
•
Ink supply system:
Ink ribbon
•
Form:
Cartridge/Endless ribbon
•
Specification:
Material – Nylon
•
Ribbon life:
Approx. 6 million characters
•
Print color:
Purple (single color)
5) Logo stamp: None
6) Cutter
•
Method: Manual
6. Drawer
1) Specification
(1) Drawer box and drawer
Model name
SK-420
Size
355 (W)
✕
424 (L: included lock key)
✕
120 (H: included rubber leg)
Color
GRAY 368
Material
Metal
Bell
—
Release lever
Standard equipment; Situated at the bottom
Drawer open sensor
Standard equipment
2) Money case
Separation from the drawer
Allowed
Separation of the coin compartments from the
money case
money case
Allowed
Bill separator
—
Number of compartments
5B/8C
3) Lock
Location of the lock
Front
Method of locking
and unlocking
and unlocking
Locking:
Insert the drawer lock key into
the lock and turn it 90 degrees
counterclockwise.
the lock and turn it 90 degrees
counterclockwise.
Unlocking:
Insert the drawer lock key into
the lock and turn it 90 degrees
clockwise.
the lock and turn it 90 degrees
clockwise.
Key No.
SK1-1
87.08
44.5± 0.5
RECEIPT
JOURNAL
Unit : mm
37.87
44.5± 0.5
3.56
3.56
3.56
37.87
4.2
3.56
70
130 ~ 210
87.08 (PRINT AREA)
20
22
Unit : mm
5B/8C
Bill compartments
Coin compartments
1 – 3
