ER-A220 (serv.man2) - Sharp ECR Service Manual (repair manual)

er-a220 (serv.man2) service manual
Model
ER-A220 (serv.man2)
Pages
51
Size
15.05 MB
Type
PDF
Document
Service Manual
Brand
Device
ECR
File
er-a220-sm2.pdf
Date

Read Sharp ER-A220 (serv.man2) Service Manual online

ELECTRONIC
CASH REGISTER
MODEL
ER-A220
(For "V" version)
SRV  Key : LKGIM7113RCZZ
PRINTER : LTP-1245
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 EN-
TIRE 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. IPL (Initial Program Loading) FUNCTION .............................8 - 1
CHAPTER  9. INSTALLATION OF OPTIONS ..............................................9 - 1
CHAPTER 10. CIRCUIT DIAGRAM & PWB LAYOUT ...............................10 - 1
PARTS GUIDE
CONTENTS
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.
SHARP CORPORATION
   SERVICE MANUAL
CHAPTER 1. SPECIFICATIONS
1. Appearance/Rating
1) Rating
Power source
AC local voltage( 10%), 50/60Hz
Power consumption
Max. 45W, Stand-by : 20W
Operating temperature
0°C~40°C
Operating humidity
10%~90%
Physical dimensions,
including the drawer
330(W) x 363(D) x 238(H)mm
Weight
8.9 kg
2. Keyboard
1) Standard keyboard layout (15 Departments)
Fig. 2-1
2) Option keyboard layout
There are following Department keylayout selections by PGM pro-
gramming (JOB#61-A)
3) Key top name
Standard Key Top
KEY TOP
DESCRIPTION
0 to 9,00
Numeric keys
Decimal point key
CL
Clear key
Multiplication key
1 to 15
Department 1 to 15 keys
Paper feed key
CASH #
Cashier code entry key
RA
Received on Account key
Void key
AUTO 1, 2
Automatically Entry key 1, 2
EX
Currency conversion key
PLU
PLU/Subdept code entry key
AMT
Amount Entry key
%1, 2
% key 1, 2
(–)
Discount key
SHIFT
Department shift key for DEPT. 16 – 30 key
CH
Check key
CR
Credit key
TL/NS
Total and No sale key
RCPT/PO
After receipt issue & Paid out key
RF
Refund key
#/TM/ST
Non-add code entry, Time display and Tax
included subtotal key
Optional Key Top
KEY TOP
DESCRIPTION
16-30
Department key 16-30
3. Mode switch
Fig. 3-1
The key can be removed in the REG or  
 position.
In the SRV’ mode, key inputs are prohibited and no display is made.
With the key in the off position power is not supplied to the main
PWB.
0
00
1
2
3
11
12
4
5
6
7
8
9
13
14
15
WYPL2
WYPL2
WYPL2
AMT
PLU
CL
ESC
SHIFT
AUTO
2
AUTO
1
%1
%2
CR
CH
#/TM/ST
TL/NS
CASH
#
RF
VAT
RCPT
PO
EX
1
6
2
7
3
8
4
9
5
10
RA
11
12
13
14
15
WYPL2
AMT
PLU
VAT
1. 15 Departments
2. 30 Departments
1
6
2
7
3
8
4
9
5
10
SHIFT
11
12
13
14
15
WYPL2
AMT
PLU
VAT
1
6
2
7
3
8
4
9
5
10
SHIFT
25
20
30
24
19
29
23
18
28
22
17
27
21
16
26
X2/Z2
X1/Z1
MGR
REG
OP,X/Z
PGM
(SRV)
(SRV')
MA
SRV
OP
[Functions]
Function for each key position
SRV ’ :
System reset
SRV :
Service mode (SRV/PGM programming)
PGM :
Allows programming of an item that is not changed fre-
quently, in addition to the PGM mode programming.
OP, X/Z :
Allows X or Z operation by 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.
X1/Z1 :
Allows reading and resetting of a day’s sales total.
X2/Z2 :
Allows  reading  or  resetting  sales  totals  in  a  specified
period.
 
  :
Switching off the display to prevent key board entries.
(The setting turn off the AC power.)
 
  :
After-transaction voiding (void mode)
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 type)
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
<Segment>
Display
Position
Description
Amount
1-8
Minus sign 
4-10
– : Floating
Display
Position
Description
Error
8-10
Exx : xx = Error code
PGM Mode
10
TL/NS
CH, CR
10
: Lights up when a registration is
finalized by depressing TL/NS,
CH, CR key
SUB TOTAL/
short tender
10
: Light up when the subtotal is
displayed or when the amount
tendered is smaller
Change
10
: Light up when the change due
amount appears in the display.
Department
9-10
No zero-suppressed
PLU
8-10
No zero-suppressed
Repeat
8
Endless count, starting from 2.
Cashier No.
2
–x– : Cashie No.
Receipt OFF
9
_
CCD
compulsory
10
: Light up when CCD is compulsory
EJ full
8 - 10
: Light up when EJ memory is FULL
at the timming of key entry (by
PGM selection).
currency
conversion
10
: Light up when the EX key is
pressed to calculate a subtotal in
foreign currency.
<Decimal Point>
Display
Position
Description
Decimal point 
4-1
TAB
4-1
EJ near full
8, 9
(at the timing of finalization of a
transaction) (by PGM selection)
Power save
mode
10
Power save mode
Error code list
No.
Description
01
Registration error
02
Misoperation error
03
Desired code is not programmed yet
04-06
( not used )
07
Memory is full
08-10
( not used )
11
Compulsory of pushing the SBTL key
12
Compulsory of tendering
13-21
( Not used )
22
Over lapped cashier error
23
Cashier resetting over error
24-31
( Not used )
32
The cashier is not assigned
33
( Not used )
34
Overflow limitation
35
The open price entry is inhibited
36
The unit price entry is inhibited
37
The direct non-tendering finalization after previous
tender entry is inhibited.
38-66
( Not used )
67
REG Buffer full (ST VOID is inhidited)
68-85
( not used )
86
Communication error (ECR data copy)
87
Data error (ECR data copy)
88
Time out error (ECR data copy)
RCPT
OFF
DEPT
REPEAT
PLU/SUB
5. Specifications
1) Printer (LTP-1245)
No. of station:
1: Receipt or Journal
Validation:
No
Printing system:
Line thermal
No. of dot:
384 dots
Dot pitch:
Horizontal: 0.125 mm
Vertical: 0.125 mm
Font:
10 dots (W) x 24 dots (H)
Printing capacity:
Max. 30 characters
Character size:
1.125 mm (W) x 3 mm (H): 
At 10 x 24 dots
Print pitch:
Column distance :1.5 mm
Row distance :3.75 mm
Print speed:
Approximate 40 mm/s 
Paper feed speed
(Manual feed):
Approximate 40 mm/s 
Approximate 30 mm/s 
Reliability:
Mechanism MCBF 4 million lines
used to high-quality thermal paper
Paper end sensor:
Yes
Cutter:
No
Near end sensor:
No
Printing area:
2) Paper
Item
Description
Name
High-quality thermal paper
Roll dimension
57.5   0.5 mm in width
Max. 70 mm in diameter
Thickness
0.06 mm to 0.08 mm
3) Cutter
Method : Manual
6. Drawer: Not standard equipment
1) Drawer box
Item
Description
Model name
SK-360
Size
329(W) x 363(D) x 106(H)
Color
Gray 368
Material
Metal
Bell
No
Release lever
Standard equipment: Situated at the bottom
Drawer open sensor
No
2) Money case
3) Lock
Item
Description
Location of the lock
Front
Method of locking
To lock, inset the drawer lock key into the lock
and turn it 90 degrees counterclockwise.
To unlock, insert the drawer lock key 
and turn it 90 degrees clockwise.
Key No.
SK1-1
(Units : mm)
Number of thermal head heater elements 384 dots
0.125
57.5±0.5
(384 dots)
(358 dots max. 30 characters)
print ares
44.75
C
C
C
C
C
B
B
C
C
B
Bill separator
Page of 51
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Here you can read online and download Sharp ER-A220 (serv.man2) Service Manual in PDF. ER-A220 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp ER-A220 (serv.man2) ECR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.