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XE-A102

CIRCUIT DIAGRAM AND PWB LAYOUT

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2. PWB LAYOUT

A side

B side

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Summary of Contents for XEA102 - Cash Register

Page 1: ...ocument has been published to be used for after sales service only The contents are subject to change without notice XEA102USME ELECTRONIC CASH REGISTER MODEL XE A102 SRV KEY PRINTER Not necessary M 31 U and V 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 D...

Page 2: ...ontact with the PWB for longer time This may cause land separation or may exceed the heat resistive temperature of components Use enough care to separate the soldering iron from the PWB when completion of soldering is confirmed Since lead free solder includes a greater quantity of tin the iron tip may corrode easily Turn ON OFF the soldering iron power frequently If different kind solder remains o...

Page 3: ... TAX1 SHIFT RA TAX2 SHIFT PO VOID SHIFT PLU ESC 3 7 2 6 1 5 4 8 CHK CLK SBTL CH CA AT NS x TM TAX RA PO SHIFT PLU ESC 3 7 2 6 1 5 4 8 CR ST CH TL A T NS EX Keytop Description 0 9 00 Numeric keys CL Clear key TM Multiplication Time display key 2 Paper feed key Tax 1 Shift RA Tax 1 shift and Received on account key Tax2 Shift PO Tax 2 shift and Paid out key Percent key ESC Error escape key VOID Void...

Page 4: ...ppropriate The minus sign can appear in positions 2 to 8 The decimal point appears in positions 1 to 3 When entry of the secret code is necessary appears in positions 1 to 4 6 PRINTER 1 PRINTER 2 PAPER 3 INKING 4 LOGO STAMP NONE 5 CUTTER Manual cutter 6 PRINTING WHEEL LAYOUT U version V version Model name M 31 No of stations 1 Printing system Print wheel selective type Printing capacity max 13 cha...

Page 5: ... battery L indicate instead of F 3 NO BATTERY If the user forgets to replace the battery and the battery voltage falls below a certain level or if a power failure occurs with no batteries installed the memory contents cannot be retained The CPU judges it as no battery and performs the master reset In this case all the set tings and registrations are cleared If however the power is continu ously su...

Page 6: ...master rest is completed the buzzer sounds three times 5 Install the memory back up batteries back into the ECR The master reset can also be accomplished in the following case See Note 3 Note 1 Power OFF Means disconnecting the AC power supply to the machine Specifically unplugging the machine Note 2 Power ON Means connecting the AC power to the machine Specif ically plugging in the machine Note 3...

Page 7: ...TER M 31 no EURO SYMBOL U M 31V V 6V CPU uPD780023A D Printer M 31 RAWER KE Y BOARD MODE SW 8 8 8 8 8 8 8 FRONT display 8digit POWER SUPPLY AC 5V ST1 ST4 ST5 A1 G1 DP1 A2 G2 DP2 KST1 KST8 KR1 KR6 8 BUZZER MA IN 4 19MHz For Clock 32 768kHz Battery 5V ST4 ST5 v ST3 ST2 ST1 ST1 ST2 ST3 ST4 1ms 30 100us Display strobe SW1 MODE SW KST2 KR1 KST3 KST4 KST5 1 2 3 4 5 22 31 7 15 16 24 25 26 1 2 8 9 10 17 1...

Page 8: ...DRAWER OPEN signal Output high signal between 50ms 6 DETECTING LOW VOLTAGE Values obtained by AD conversion and averaging Register value 138 L 2 7V or less 3 No voltage 139 154 L 2 7V 3 0V 3 Low voltage more than 154 3 OK 7 DESTINATION DETECTION PORT U and V version P66 L 5ms 10ms 15ms PRINTER MOTOR REWIND MOTOR ...

Page 9: ...VBAT BATTERY voltage I I 27 P16 ANI6 NU RESERVE FOR KEY RETURN I I 28 P15 ANI5 KR6 KEY RETURN I I 29 P14 ANI4 KR5 KEY RETURN I I 30 P13 ANI3 KR4 KEY RETURN I I 31 P12 ANI2 KR3 KEY RETURN I I 32 P11 ANI1 KR2 KEY RETURN I I 33 P10 ANI0 KR1 KEY RETURN I I 34 Avref VCC 35 Avdd VDD 36 RESET RESET 37 XT2 XT2 32 768Khz Xtal 38 XT1 XT1 32 768Khz Xtal 39 IC VPP GND 40 X2 X2 SYSTEM CLOCK 41 X1 X1 SYSTEM CLO...

Page 10: ...r 02 and compare the data with the key position code which is added until the CA AT NS key is pressed If the data coincides with the code the completion print is performed If not the error print is performed 3 DISPLAY BUZZER TEST 1 KEY OPERATION 2 TEST PROCEDURE Check the continuous buzzer sound and the display state Display state 8 7 6 5 4 3 2 1 The decimal point will shift from the lower digit t...

Page 11: ...OCEDURE Displays A D conversion port read value 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 07 8 TIME DISPLAY TEST 1 KEY OPERATION 2 TEST PROCEDURE To terminate the test and print the date and time press any key 9 DESTINATION DISPLAY 1 KEY OPERATION 2 TEST PROCEDURE ...

Page 12: ...al After removing the foreign material set the mode switch to REG and press CL key Defective print Lack on the upper lower or left right side Check if the printing type is worn down Replace the printer Check if any foreign material is attached to the printing type wheel Remove the foreign material After removing the foreign material set the mode switch to REG and press CL key Thin print Check if t...

Page 13: ...3 56K D3 1N4002 4 M Timing sub signal co m mon Re set signal Timing signal Motor Motor Trigger Trigger M 31 OR M 42 V PRINT HEADER 1 2 3 4 5 6 7 8 SW33 5 R14 56K D4 Q7 KTA1271YAT P R21 47K SW34 16 R49 110 R15 47K D2 R58 330 R22 47K R16 47K D1 D23 R23 47K R17 47K R42 110 R24 47K R18 47K R51 12K R25 470 R19 47K C27 0 1uF R20 47K SP1 SHORT PIN Q9 KTA1271YAT P IC5 KID65083AP DIP 1 2 3 4 5 6 7 8 9 18 1...

Page 14: ...XE A102 CIRCUIT DIAGRAM AND PWB LAYOUT 12 2 PWB LAYOUT A side B side ...

Page 15: ...XE A102 CIRCUIT DIAGRAM AND PWB LAYOUT 13 3 DISPLAY LAYOUT A side B side ...

Page 16: ...Japan 2005 May Printed in Japan t 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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