Sharp ER-A450T Manual de usuario

SERVICE MANUAL

ELECTRONIC

CASH REGISTER

MODEL ER-A450T

SRV Key : LKGIM7113RCZZ

PRINTER: PR-45M

("U" and "A" version)

CAUTION

EXTREME CAUTION MUST BE TAKEN WHEN SERVICING THIS MACHINE. WHEN 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 RESET AND MASTER RESET . . . . . . . . . . . . . . . . 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.

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.

CONTENTS

PARTS GUIDE

MODEL ER-A450T

PRINTER:PR-45M

SRV KEY:LKGIM7113BHZZ

(for U.S.A,Canada)

1Exteriors

2Keyboard unit

3Packing material & Accessories

4Drawer box unit (SK423 type)

5Main PWB unit(include Block6)

6RS232C PWB unit

7PS PWB unit

8Front LED PWB unit

9Pop up LED PWB unit

FPrinter PWB unit

GArticles for consumption

HService route options

■Index

Parts marked with "!" are important for maintaining the safety of the set.Be sure 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.

ER-A450TU/A

1Exteriors

NO. PARTS CODE PRICE

RANK NEW

MARK PART

RANK DESCRIPTION

1PFILW6976BHSA AU N D Front filter

2GCABB7861BHZZ AN D Pop up cabinet

5CPWBF7504BH01 BC E Pop up LED PWB unit(NORMAL)

6PFILW6961BHSF AP N D Pop up filter

7QCNW-7878BHZZ AK C Flat cable(Pop-up) (15P)

8GCABB7857BHZE BD D Top cabinet (Gray282)

9XBBSC30P08000 AA C Screw (3×8)

10 HDECP6864BHSB AM N D Deco panel

13 GCOVH7144BHZZ AH D RS232C cover

14 LANGK2897BHZZ AQ C RS232C angle B

16 XUPSD40P10000 AA C Screw (4×10)

17 GFTAF6921BHSC AH D Clerk cover A

18 XEBSD30P08000 AA C Screw (3×8)

19 QCNW-7880BHZZ AF C Battery cable

20 UBATZ6661BHZZ BA B Battery (Ni-MH)

21 GCOVH7143BHZZ AH D Battery cover

22 CPWBF7552BH01 BC E Front LED PWB unit

23 CPWBX2878BH02 CL N E Main PWB unit

! QACCD8411BHNA AX B AC cord (SP-035)(Y-G)

28 XHBSD40P06000 AA C Screw (4×6)

! RTRNP2421BHZZ BF N B Power transformer

30 QCNW-7872BHZZ AK C PS cable

31 LBNDJ2003SCZZ AA C Cable band (Large)

32 XNESD30-24000 AA C Nut (M3)

34 XHBSD30P04000 AA C Screw (3×4)

35 QTANZ6661BHZZ AE C Faston terminal

38 CPWBF7554BH04 BK N E PS PWB unit [include No.71]

39 PRDAF6666BHZA AN C Heat sink

41 XEBSD30P10000 AA C Screw (3×10)

43 QCNW-7121RCZZ AD C Printer GND wire

44 XBPSD30P06K00 AA C Screw (M3×6K)

45 KI-OB2359BHZZ CA E Printer unit (PR-45M)

46 LHLDZ6847BHZZ AS C Printer stand

48 GCOVA7140BHZZ AZ D Printer cover

49 PFILD6973BHZZ AS D Journal filter

62 LX-BZ6644BHZZ AA C Screw (M3.5×8S)

63 GCOVH7147BHZZ AK D PS cover

64 CPWBX2878BH02 CL N E Main PWB unit [RS232C PWB]

65 GCOVH7142BHZA AT D Trans cover

66 LX-BZ6782BHZZ AA C Screw (3×6)

67 XBPBZ40P08K00 AA C Screw (4×8K)

68 QTANP0004BHZZ AE C Earth terminal

70 NROLP6651BHSC AE C Paper plate roller

71 LX-BZ6644BHZZ AA C Screw (M3.5×8S) [Q1(HEAT SINK fixing)]

72 PCAPH1005ACZZ AC D Connector cover (9pin)

74 LX-BZ6792BHZZ AF C Bolt(D-sub screw)

75 XEBSD30P14000 AA C Screw (3×14)

76 QCNW-7898BHZZ AP C Flat cable (40P)

77 QCNW-3112BHZZ AE C GND wire (RS PWB-KEY BOARD)

ER-A450TU/A

– 1 –

1Exteriors

65 66

RCP00363

34A

75 44

41 18

30 18

ER-A450TU/A

– 2 –

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