Sharp XE-A302 Service Manual
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Sharp XE-A302 Service Manual

Sharp XE-A302 Service Manual

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CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . 5
CHAPTER 5. DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . . . 11
CHAPTER 6. IPL FROM EP-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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
CONNECTING THE RS-232 CABLE . . . . . . . . . . . . . 16
SHARP CORPORATION
CODE : 00Z
ELECTRONIC
CASH REGISTER
XE-A302
MODEL
(U and A version)
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XEA302USME

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  • Page 1: Table Of Contents

    CODE : 00Z XEA302USME ELECTRONIC CASH REGISTER XE-A302 MODEL (U and A version) CONTENTS CHAPTER 1. SPECIFICATIONS ......1 CHAPTER 2.

  • Page 2: Chapter 1. Specifications

    Electronic journal print key (D-PLU) 1-75 Direct PLU 1-75 keys DEPT1-6 Department 1-6 keys 2. RATING DEPT# Department code entry key XE-A302 PLU/SUB PLU/Sub department code entry key Weight 27.6lb (12.5kg) #/TM/SBTL Non add code Entry/Time/Subtotal key Dimensions 421 (W) x 429 (D) x 297 (H) mm...
  • Page 3 The mode switch has these settings: Operator display OFF: This mode locks all register operations. (AC power turns off.) Function message display area No change occurs to register data. OP X/Z: To take individual clerk X or Z reports, and to take flash Clerk code or mode name reports.
  • Page 4 6. PRINTER 7. DRAWER [OUTLINE] 6-1. PRINTER • Standard equipment: Yes • Part number : M-T53II • Max. number of additional drawers: 0 • NO. of station : 1 (Receipt or journal) • The drawer consists of: • Validation : No 1) Drawer box (outer case) and drawer •...

  • Page 5: Chapter 2. Options

    CHAPTER 2. OPTIONS 1. OPTIONS (NO) 2. SERVICE OPTIONS (NO) 3. SUPPLIES PRICE NAME PARTS CODE DESCRIPTION RANK TPAPR6656RC05 Thermal roll paper 5 ROLLS/PACK 4. SPECIAL SERVICE TOOLS PRICE NAME PARTS CODE DESCRIPTION RANK UKOG-6705RCZZ RS-232 Loop-back connector CHAPTER 3. MASTER RESET AND PROGRAM RESET 1.

  • Page 6: Chapter 4. Hardware Description

    512KB address 40000h ~ 7FFFFh 256KB FLASH ROM 512KB Reserve /CS0 area BANK 4, 5: address 40000h ~ 7FFFFh 256KB x 2 SHARP LH28F004BVT FLASH /CS0 area BANK 0 address 80000h ~ FFFFFh 256KB PRINTER (Moves to Bank 1 when...

  • Page 7: Printer Control

    3. PRINTER CONTROL 3-1. STEPPING MOTOR CONTROL Conduction pulse width: Refer to the M-T53II specifications. The two phase Bi-Polar stepping motor is driven at a constant voltage OFF time of print strobe : Conduction strobe OFF time between dots by SANYO LB1838M. min.
  • Page 8 4. CPU • M16C/64A Group: M30620SAFP M16C/64A PORT MEMORY SPACE: NORMAL MODE PROCESSOR MODE: MICRO PROCESSOR MODE • Processor mode = Microprocessor mode It is used by (SEPARATE BUS 8bit Width) • Internal reserve area, without expansion • Multi function 16-bit Timer: Output system 5 lines + input system 6 lines •...
  • Page 9 <Power supply/CONTROL pins> PORT Pin name Function PORT Pin name Function BYTE BYTE Connected to VDD Connected to VDD CNVss CNVss Connected to VDD connected to GND /RESET /RESET AVss AVss Connected to GND Xout Xout OPEN Vref Vref Connected to VDD Connected to GND AVcc AVcc...

  • Page 10: Power Supply

    5-3. KEYSCAN MATRIX PENDING Others MODE Time X1/Z1 X2/Z2 KEYBD Others HEAD DRAWER RS-232 OPEN KEYBD : 1=Normal Keyboard/0=Flat Keyboard HEAD UP : 1=Up/0=Down : 1=Paper End/0=Paper Not End DRAWER OPEN : Reserved (1=Open/0=Close) RS-232 CI1 : 5-4. DISPLAY (PENDING) 6.
  • Page 11 9. A/D CONVERSION 11. RESET The machine has the following four signals at the A/D conversion ports. The RESET signal is canceled when the power source of the device which used the 5V system (VCC, VDD, VLED) reaches the operating <CPU’s PORT>...

  • Page 12: Chapter 5. Diagnostic Program

    CHAPTER 5. DIAGNOSTIC PROGRAM 1. TEST ITEMS 2. DESCRIPTION OF EACH DIAG PROGRAM The test items are as follows: 1) DISPLAY BUZZER TEST 1 Key operation Code Description 100 3 Display buzzer test RCPT/PO Key code 2 Test procedure Printer test OP display D I S P B U Z Z E R...
  • Page 13 3) PRINTER TEST 5) MODE SWITCH TEST 1 Key operation 1 Key operation 105 3 RCPT/PO 102 3 RCPT/PO 2 Test procedure 2 Test procedure OP display M O D E P G M OP display P G M P R I N T E R 1 0 5 MODE: PGM_ _OP X/Z_REG_MGR_X1/Z1_X2/Z2__PGM...
  • Page 14 8) DRAWER 1 OPEN & SENSOR TEST 10) CPU INTERNAL RAM TEST 1 Key operation 1 Key operation 110 3 121 3 RCPT/PO RCPT/PO 2 Test procedure 2 Test procedure OP display The test program tests internal RAM (10 Kbytes) of the CPU. P G M D R A W E R The contents of memory must be stored before and after this test.

  • Page 15: Key Code Table

    11) FLASH ROM TEST 13) RS232C TEST 1 Key operation Install the RS232C loopback connector. 130 3 1 Key operation RCPT/PO 2 Test procedure 500 3 RCPT/PO 2 Test procedure The test program checks that the checksum of the flash ROM (Bank0: F80000H ~ FFFFFH).

  • Page 16: Chapter 6. Ipl From Ep-Rom

    CHAPTER 6. IPL FROM EP-ROM The application program of the XE-A302 is written into the Flash ROM <IPL software on PC> in the CPU. 7) Copy the following files in "PosUtilityTool3" into the hard disk of PC. Since the CPU supplied as a service part does not include the applica- Postool3.exe...

  • Page 17: Chapter 7. Caution To Be Used When Connecting The Rs-232 Cable

    The RS-232C cable has the following internal connections: THE RS-232 CABLE (Equivalent to a cross cable used in the conventional connection of ECR-ECR) When connecting the RS-232 cable to the XE-A302, be sure to observe the following condiiton: 9PIN D-SUB 9PIN D-SUB Use RS-232 cable (with core) of accessories.

  • Page 18: Chapter 8. Circuit Diagram And Pwb Layout

    XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 17 –...
  • Page 19 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 18 –...
  • Page 20 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 19 –...
  • Page 21 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 20 –...
  • Page 22 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 21 –...
  • Page 23 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 22 –...
  • Page 24 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 23 –...
  • Page 25 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 24 –...
  • Page 26 XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT – 25 –...
  • Page 27 © COPYRIGHT 2003 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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