Service manual

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ELECTRONIC

CASH REGISTER

MODEL XE-A101

SRV KEY : Not necessary

PRINTER : M-31

(U and A version)

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

CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT................................11

PARTS 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.

SHARP CORPORATION

This document has been published to be used

for after sales service only.

The contents are subject to change without notice.

SERVICE MANUAL

Summary of content (16 pages)

PAGE 1
SERVICE MANUAL ELECTRONIC CASH REGISTER MODEL XE-A101 SRV KEY : Not necessary PRINTER : M-31 (U and A version) CONTENTS CHAPTER 1. SPECIFICATIONS ..................................................................... 1 CHAPTER 2. OPTIONS ................................................................................... 4 CHAPTER 3. MASTER RESET ....................................................................... 4 CHAPTER 4. HARDWARE DESCRIPTION.....................................................
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>>>>> USE FONT <<<<< Helvetica/ Helvetica-Condensed/ Century-Schoolbook/ Symbol & OriginalFonts: (RingWorld2/RingFont2/Pa Symbol/PartsCod) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - CHAPTER 1. SPECIFICATIONS 2) KEY LIST 1.
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2) DISPLAY CONTENTS 6. PRINTER Departments/PLU Code: The department code or PLU code entered appears on the left. For example, if the key for department 1 is pressed, "1" would appear in the extreme left position. Repeat: Indicates the number of times the same department key is pressed. If an entry is repeated more than ten times, only the first digit is displayed (12 displays as "2"). (E) Error: This symbol appears, accompanied by a warning beep, when an error is made.
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2) LOW BATTERY 7. DRAWER Low battery indication will appear on the left side of display when the battery voltage is low. [OUTLINE] Yes (1) • Standard equipment: • Max. number of drawers: 1 • The drawer consists of: CASE 1: When sitting idle or after completion of transaction. The machine can indicate the low battery condition (Always) CASE 2: Low battery indication will not appear during key operations, but will appear after power up of the cash register.
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CHAPTER 2. OPTIONS 1. OPTIONS (No) 2. SERVICE OPTIONS (No) 3. SUPPLIES NO NAME PARTS CODE PRICE RANK 1 ROLL PAPER AS 2 INK ROLLER AF 4 SPECIAL SERVICE TOOLS (No) CHAPTER 3. MASTER RESET Master reset: Clears all the memory and initializes each preset parameter. The master reset should be performed by using the following procedure. 1. Turn off the power (Power OFF). (See Note 1.) 2. Let the ECR be without the memory back up battery. 3. Turn the mode switch to the others of Power-off position. 4.
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CHAPTER 4. HARDWARE DESCRIPTION 1. OUTLINE 2) KEYBOARD and MODE SW • CPU: MODE SW, KEY MATRIX is follows. uPD780023A (ROM 24KB, RAM 1024B) Note: Although the XE-A101 has 30 keys, the keyboard circuit is actually 32 keys (+) the PF key. • KEY BOARD: 30key including PF key • MODE SW: 5position slide SW POWER OFF DISPLAY: 7seg.
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4) REWIND MOTOR When the rewind motor is driven by the signal of the CPU. PRINTER MOTOR REWIND MOTOR 5ms 10ms 15ms 5) DRAWER DRAWER OPEN signal :Output high signal between 50ms 6) DETECTING "LOW VOLTAGE" • Values obtained by AD conversion and averaging Register value: 138 ( 2.7V) or less 139 - 154 ( 2.7V - 3.
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4. CPU PORT TABLE No.
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CHAPTER 5.TEST FUNCTION 1) To execute the diag test, set the mode switch to Z/PGM. Enter the desired JOB code, and press the PO (paid out) key. 2. KEY TEST 2) The test message is printed by the printer. 1) KEY OPERATION 3) Test contents and key operations. NO. Test contents 1 Mode switch test 2 Key test 3 Display buzzer test 4 Key operations 02 PO 1 PO 02 PO 2) TEST PROCEDURE 3 PO Perform the keyboard check with the sum check data of the key code.
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5. PRINTER TEST 8. TIME DISPLAY TEST 1) KEY OPERATION 1) KEY OPERATION 5 PO 2) TEST PROCEDURE 8 PO 2) TEST PROCEDURE With the above key operation , the print test pattern is repeatedly printed. Pressing any key will terminate the test after the completion of one cycle print. (The receipt is issued at the end.) 8 6 7 5 4 3 2 1 Display Hour Second Minute Turn on and off(0.5s) To terminate the test and print the date and time, press any key.
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CHAPTER 6. SERVICE PRECAUTION 1. PRINTER Since there are no service parts for this model printer, only the printer unit is supplied. 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-A101: M-31) Ink roll life: 1 million characters Phenomena Check point/possible cause • The printer motor is locked and the • Check if the printer cable is disconnected.
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A B C D 7 6 5 8 D11 SO30 1N4002 HOLE only PRINTER I/F PWB 52011-0810 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 VDD VDD CON3A VSS SI30 CN5 (for PRINTER) KR1-KR6 56K R14 R13 56K R12 56K 5267-02 MOTOR CN Q2 2SD2170 1 2 CN4 DR MAIN PWB +6V KR6 KR5 KR4 KR3 KR2 VBAT SA1 SB1 SC1 SD1 SE1 SF1 /ST1 /ST2 /ST3 /ST4 ST5 SA2 SB2 SC2 SD2 SE2 SF2 RWND VDD HOLE only 1 2 3 4 5 6 7 8 CON3 R8 1K (F3:JUMPER) /SCK30 VDD F3 T1.
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A B C D 22 31 29 8 KEYBOARD 26 32 18 17 30 12 11 24 2 1 28 7 6 27 15 21 20 3 19 8 13 16 5 4 10 23 9 14 25 KCN2 52045-0945 (5597-09CPB) 9 8 7 6 5 4 3 2 1 5 Z/PGM(4) 1SS133 1SS133 D19 D20 7 1SS133 1SS133 D16 D18 1SS133 D15 1SS133 1SS133 D14 D17 1SS133 D13 MODE SW 4 X/FLASH(3) 2 SLIDE SW PWB 5229-05APB 5 4 3 1 2 KCN3 1 SW1 3 7 VOID(2) REG(1) 2) KEY INTERFACE 8 6 10 9 8 7 6 5 4 3 2 1 KCN1 MAIN PWB 52045-1045 (MA
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1) A side 2.
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1) B side
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COPYRIGHT  2001 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.