Sharp XE-A102 Service Manual
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Sharp XE-A102 Service Manual

Electronic cash register
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Table of Contents

See also: Instruction Manual
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CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CHAPTER 3. MASTER RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . 5
CHAPTER 5. TEST FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CHAPTER 6. SERVICE PRECAUTION . . . . . . . . . . . . . . . . . . . . . . 10
PARTS GUIDE
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.
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
CODE : 00Z
ELECTRONIC
CASH REGISTER
XE-A102
MODEL
SRV KEY
: Not necessary
PRINTER
: M-31
(U and V version)
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XEA102USME

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Summary of Contents for Sharp XE-A102

  • Page 1: Table Of Contents

    SERVICE MANUAL CODE : 00Z XEA102USME ELECTRONIC CASH REGISTER XE-A102 MODEL SRV KEY : Not necessary PRINTER : M-31 (U and V version) CONTENTS CHAPTER 1. SPECIFICATIONS ......1 CHAPTER 2.

  • Page 2: Lead-Free Solder

    If the soldering iron tip is discolored black during soldering work, clean and file the tip with steel wool or a fine filer. CAUTIONS THERE IS A RISK OF EXPLOSION IF THE BATTERY IS REPLACED BY AN INCORRECT TYPE. PROPERLY DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. XE-A102 LEAD-FREE SOLDER – 2 –...

  • Page 3: Chapter 1. Specifications

    Color of display: Yellow Green TAX1 SHIFT @/TM Character size: Numeric 14.20 (H) x 7.80 (W) mm SBTL TAX2 (Layout) SHIFT CA/AT/NS Department code VOID PLU code [V version] SHIFT #/ST Repeat [V version] TL/A T/NS XE-A102 SPECIFICATIONS – 1 –...
  • Page 4 : Column distance 2.1mm (numeric to numeric), 2.6mm (numeric to symbol) Row distance 4.6mm • Print speed : Approximate 1.4 lines/s (6 digits/line) • Paper feed speed : Approximate 4.3 lines/s • Reliability : MCBF 0.3 million lines XE-A102 SPECIFICATIONS – 2 –...
  • Page 5 3) Remove the OLD dry batteries (3 pieces). 4) The nobattery symbol "L" light up. 5) Insert the NEW dry batteries (3 pieces). 6) Confirm the low battery symbol "L" and nobattery symbol "L" is off. XE-A102 SPECIFICATIONS – 3 –...

  • Page 6: Chapter 2. Options

    Means connecting the AC power to the machine. (Specif- ically, plugging in the machine.) Note 3) In case a power failure occurs when the machine has no battery installed, the master reset operation is automati- cally performed after the power has been restored. XE-A102 OPTIONS – 4 –...

  • Page 7: Chapter 4. Hardware Description

    MODE SW, KEY MATRIX is follows. • CPU : uPD780023A (ROM 24KB, RAM 1024B) * Note: Although the XE-A102 has 30 keys, the keyboard circuit is • KEY BOARD : 30key including PF key actually 32 keys (+) the PF key.
  • Page 8 • Values obtained by AD conversion and averaging 3 No voltage Register value: 138 ( 2.7V) or less 2.7V - 3.0V) 3 Low voltage 139 - 154 ( more than 154 3 OK 7) DESTINATION DETECTION PORT U and V version XE-A102 HARDWARE DESCRIPTION – 6 –...
  • Page 9 MODEL SELECT2 P40/AD0 KST1 KEY STROBE P41/AD1 KST2 KEY STROBE P42/AD2 KST3 KEY STROBE P43/AD3 KST4 KEY STROBE P44/AD4 KST5 KEY STROBE P45/AD5 KST6 KEY STROBE P46/AD6 KST7 KEY STROBE P47/AD7 KST8 KEY STROBE XE-A102 HARDWARE DESCRIPTION – 7 –...

  • Page 10: Chapter 5. Test Function

    KEY OPERATION Completion print Error print - - - TEST PROCEDURE The drawer opens with the above key operation. Check that the drawer is open. Press any key to terminate the test. Completion print XE-A102 TEST FUNCTION – 8 –...

  • Page 11: Printer Test

    0155 or greater : Normal 0154 or smaller : Low battery display 0138 or smaller : No battery display and MRS is done when power on. To terminate the test, press any key. Completion print XE-A102 TEST FUNCTION – 9 –...

  • Page 12: Chapter 6. Service Precaution

    Therefore, the printer component parts are not supplied and no service document is issued. For troubleshooting of the printer, refer to the table below: * Printer life: 300 thousand lines (XE-A102: M-31) Ink roll life: 1 million characters Phenomena...

  • Page 13: Chapter 7. Circuit Diagram And Pwb Layout

    P65/-WR P16/AN16 P66/-WAIT P17/AN17 P67/ASTB AVSS P40/AD0 VDD1 KST1 P41/AD1 P25/ASCK0 KST2 P42/AD2 P24/TXD0 KST3 P43/AN3 P23/RXD0 KST4 P44/AD4 P22/-SCL30 KST5 P45/AD5 P21/SO30 KST6 P46/AD6 P20/SI30 KST7 P47/AD7 P36/-SCK31 KST8 RWND XE-A102 CIRCUIT DIAGRAM AND PWB LAYOUT – 11 –...
  • Page 14 2. PWB LAYOUT A side B side XE-A102 CIRCUIT DIAGRAM AND PWB LAYOUT – 12 –...

  • Page 15: Display Layout

    3. DISPLAY LAYOUT A side B side XE-A102 CIRCUIT DIAGRAM AND PWB LAYOUT – 13 –...
  • Page 16 COPYRIGHT 2005 BY SHARP CORPORATION All rights reserved. Printed in Japan. No part of this publication may be reproduced, stored in a retrieval system, or transmitted. In any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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