Sharp ER-A520 User manual

CODE : 00Z
qSERVICE MANUAL
CONTENTS
Parts marked with "!" are 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 This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
ERA520USME
ELECTRONIC
CASH REGISTER
ER-A520
MODEL ER-A530
(U, A version)
CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CHAPTER 3. MASTER RESET AND PROGRAM RESET. . . . . . . . . 6
CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . 7
CHAPTER 5. DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . . . 14
CHAPTER 6. IPL FROM EP-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . 19
CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT . . . . . . . . . 20
ER-A520
ER-A530

qPARTS GUIDE
CONTENTS
Parts marked with "!" are 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.
S T i nt has been published to be used
service only.
are subject to change without notice.
CODE : 00ZERA520UPGE
ER-A520
MODEL ER-A530
PRINTER : PR-58HM
(U/A version)
1Top cabinet etc.(ER-A520)
2Top cabinet etc.(ER-A530)
3Bottom cabinet etc.
4Drawer box unit(SK-423 type)
5Packing material & Accessories
6Main PWB unit
7Key I/F PWB unit
8CN I/F PWB unit
9Pop up PWB unit
FArticles for consumption
GService options & Service tools
■index
ER-A520
ER-A530

1Topcabinetetc.(ER-A520)
NO. PARTS CODE PRICE
RANK NEW MARK PART RANK DESCRIPTION
1CCABB7861BHZZ AR D Pop up cabinet
2CPWBF2928BH02 BB E Pop up PWB unit
3PFILW6961BHSL AQ N D Pop up filter
4HPNLH2501BHZZ AX N D LCD panel
5GCOVA2608BHZZ AS N D LCD cover
6DUNTK4595RCZZ BM E LCD unit(M286)
8QCNW-3362BHZZ AS N C LCD cable(16P)
16 QCNW-3373BHZZ AP N C Pop up cable
19 HPNLC6829BHSM AN N D Deco panel [U]
HPNLC6829BHSO AN N D Deco panel [A]
20 CCABB2558BHZB BF N D Top cabinet
21 XBBSC30P06000 AA C Screw(3×6)
23 XEBSD30P08000 AA C Screw(3×8)
24 PFILW2006BHSA AV D TH_Journal filter
25 GCOVA2514BHZA BA D Printer cover
26 MSPRK6730BHZZ AC C Lock spring
27 LKGIW7355BHZZ AX B Lock(body)
28 LKGIM7356BHZZ AK B Printer cover lock key
29 CPWBF3027BH01 BC N E Key I/F PWB unit
32 XEBSD30P10000 AA C Screw(3×10)
34 LKGIM7110BHZZ AE B MA key(MA) LKGIM7111BHZZ AE B OP key(OP)
LKGIM7129BHZZ AE B SM key(SM)
35 LKGIW0001BHZA AS B Mode sw(body)
36 QCNW-3117BHZZ AG C Mode sw cable
37 XUPSD23P08000 AA C Screw(2.3×8)
38 LANGT7582BHZZ AL C Mode SW angle
39 JKNBZ6899BHSA AK C Key cap(1×2)
40 JKNBZ6898BHZZ AH C Key top(1×2)
41
JKNBZ6908BHZZ AK C Key top(.)
JKNBZ6909BHZZ AK C Key top(X)
JKNBZ6911BHZZ AK C Key top(1)
JKNBZ6912BHZZ AK C Key top(2)
JKNBZ6913BHZZ AK C Key top(3)
JKNBZ6914BHZZ AK C Key top(4)
JKNBZ6915BHZZ AK C Key top(5)
JKNBZ6916BHZZ AK C Key top(6)
JKNBZ6917BHZZ AK C Key top(7)
JKNBZ6918BHZZ AK C Key top(8)
JKNBZ6919BHZZ AK C Key top(9)
JKNBZ6905BHZZ AF C Key top(0)
JKNBZ6920BHZZ AK C Key top(00)
JKNBZ6907BHZZ AK C Key top(CL)
42 JKNBZ6897BHSA AH C Key cap(1×1)
43 JKNBZ6896BHZA AG C Key top(1×1)
44 LFRM-6697BHZZ BA D Key frame
45 PGUMM6724BHZZ AY C Key rubber
47 LPLTM6698BHZZ AV C Base plate
48 XEBSD30P08000 AA C Screw(3×8)
49 LHLDZ6837BHZZ AE C Holder L(WHITE)
50 LHLDZ6836BHZZ AE C Holder R(YELLOW)
51 PSHEP2925BHZZ AR C Water sheet
52 PSHEP2928BHZZ AF C Printer cover sheet
56 PCUSS2421BHZZ AC C Mode sw cushion
57 QCNW-3137BHZZ AE C Earth wire
60 XJPSD30P08000 AA C Screw(3×8)
61 PCUSS2419BHZZ AH C Keyboard cushion
62 QCNW-3188BHZZ AR C Flat cable(40P,1.25mmPitch,MAIN∼KEY)
63 XJPSD30P06000 AA C Screw(3×6)
66 PSHEP2939BHZZ AG C Top cab sheet
67 GCOVH2609BHZZ AL N D Cable cover
101 TLABH2699BHZZ AY N D Key label
501 KI-OK2368BH03 BP N E Keyboard(NORMAL) [include No.39∼50,101]
502 DUNT-1817BHZZ AY E Lock key unit(Printer) [include No.26∼28]

– 2 –
1Topcabinetetc.(ER-A520)
A
RCP00522
66
1
2
3
16
5
35
20
40
34
43
44
45
49
47
23
63
32
42
41
19
38
37
36
50
48 32
51
32
32
48
48
56
52
63
57
32
32
60
501
4
48
48
28
502
27
24
25
26
39
61
21
21
660
60
23
23
68
8
a
a
b
b
29
23
23 62