Service manual

ManualsBrandsSharp ManualsCash RegisterER-A530

CODE : 00Z

SERVICE MANUAL

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.

ERA520USME

ELECTRONIC

CASH REGISTER

ER-A520

MODEL

ER-A530

(U, A version)

CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

CHAPTER 3. MASTER RESET AND PROGRAM RESET. . . . . . . . . 6

CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . 7

CHAPTER 5. DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . . . 14

CHAPTER 6. IPL FROM EP-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . 19

CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT . . . . . . . . . 20

ER-A520

ER-A530

PARTS GUIDE

Summary of content (33 pages)

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q SERVICE MANUAL CODE : 00ZERA520USME ELECTRONIC CASH REGISTER ER-A520 MODEL ER-A530 ER-A520 (U, A version) ER-A530 CONTENTS CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 CHAPTER 3. MASTER RESET AND PROGRAM RESET. . . . . . . . . 6 CHAPTER 4. HARDWARE DESCRIPTION . . . . . . . . . . . . . . . . . . . . 7 CHAPTER 5. DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . .
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CHAPTER 1. SPECIFICATIONS 1. APPEARANCE 3-2.
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SLIP Slip printer key ER-A530 #/TM Non-add code/Date & time display key ■ STANDARD KEY LAYOUT RECEIPT Note: The following function keys can optionally be incorporated in place of those shown in the figure of the standard keyboard layout. For details, please consult your authorized SHARP dealer.
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. MODE SWITCH ■ Optional Keys and Descriptions DEPT# Dept. number key %2 ~ %5 Percent 2 thru 5 keys - 2 ~ -5 Discount 2 thru 5 keys CH4 ~ CH9 Charge 4 thru 9 keys 4-1.
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. DISPLAY 6. PRINTER 1) PRINTER (PR-58HM) 5-1. OPERATOR DISPLAY Display device: LCD Number of lines: 2 lines Item Number of positions: 16 positions Color of display: Description No. of station 2: Receipt and Journal Validation No Printing system Line thermal No. of dot Receipt: Yellow / Green Character font: 5 x 7 dot Character size: 4.84 (W) x 8.06 (H) mm Dot pitch Layout: 360 dots Journal 360 dots Horizontal: 0.125mm Vertical: 0.
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7. DRAWER 7-3. LOCK (LOCK KEY: LKGIM7331BHZZ) [OUTLINE] • Location of the lock: Front • Standard equipment: Yes • Method of locking and unlocking: • Max. number of additional drawers: 1 To lock, insert the drawer lock key into the lock and turn it 90 degrees counter clockwise. To unlock, insert the drawer lock key and turn it 90 degrees clockwise. • The drawer consists of: 1) Drawer box (outer case) and drawer 2) Money case SK1-1 Model name of the drawer box SK1-1 7-1.
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CHAPTER 3. MASTER RESET AND PROGRAM RESET 3. PROGRAM RESET The SRV key is used for performing entries in the SRV mode. A MASTER RESET clears the entire memory and resumes initial values. Please use either “Procedure A”, “Procedure B” or “Procedure C” A PROGRAM RESET resumes the initial program without clearing the memory. Procedure A: 1) Set the mode switch to the (SRV’) position. 2) Plug in the AC power cord to the wall outlet. There are 2 kinds of MASTER RESET operations.
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CHAPTER 4. HARDWARE DESCRIPTION 1. BLOCK DIAGRAM 2. MEMORY MAP ER-A520 and ER-A530 2-1.
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3. CPU PIN TABLE M16C/80 PORT PORT PIN Pin No.
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PORT P91 P92 PIN Pin No. name 6 5 Signal name I/O Initial value After POFF P91/ RxD3 STH I − In P92/ TxD3 HTS O L Out L Function PORT UP-P16DP STH SIGNAL UP-P16DP HTS SIGNAL PIN Pin No.
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4. PRINTER CONTROL 4-2. HEAD CONTROL HEAD: All864dot The PR-58HM printer is incorporated. Printable area:RECEIPT side, 360dot; JOURNAL side, 360dot 4-1. STEPPING MOTOR CONTROL The stepping motor is driven at a constant current by SMA7036M (made by Sanken). Related PORT No. 1step: 0.125mm, 1dot: 1step Printing speed: 50mm/s CPU PORT Signal to be used 2 P95/CLK2 PCLK 1 P96/TXD4 SO 144 P97/RXD4 SI P110 STRB1# No.
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5. A/D CONVERSION 6. KEY/DISPLAY In the ER-A520/530, the following three kinds of signals are input to the A/D conversion port. 6-1. LCD CONTROL The LCD control is same as the ER-A275P. LCD-related Register No. CPU PORT Signal to be used 130 AN0 TM 138 AN1 VPTEST 137 AN2 VREF Function Function PRINTER HEAD TEMPERATURE MONITOR PRINTER HEAD VOLTAGE MONITOR 5-1.
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6-2. KEY/DISPLAY SCAN The Key/display scan and key read are performed at the following timing. 1 Key/display scan cycle: 10ms 2 Blanking time: 50us 3 KEY DATA READ timing: Read before 10~100us of strobe signal OFF. Key/Display-related Register Function LED Segment Signal Address R/W 100000h W Write Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 100000h DP g f e d c B a No.
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8. POWER 6-3. DISPLAY The ER-A520/530 is provided with the LCD display of 5 x 7 dot, 2 line, 16 digit on the operator side, and the LED display of 7 digit on the customer side. Service interruption should be performed within 10ms after generation of /POFF. Operator (Front): 24V LM2574 + TR TRANS. DRAWER PRINTER ON/OFF control (MODE SW) PQ1CG2032 VLED 5.7V VCC 5.0V Customer (Pop up Type): VDD 5.0V /POFF detection point BATTERY • DISPLAY DIGIT SIGNAL The above ST0~ST6 are DIGIT signals. 9.
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11. RISTRICTIONS ON PRINT RATIO 15. POFF Max. 288dot/1line x 140line (Corresponds to black background LOG print) The POFF signal is changed from 0 to 1 when the 5V power and the 24V power reach the operating voltage level. Ave. 108dot/1line or less (Corresponds to 12.5% of all dots) It is changed from 0 to 1 when the power falls below the operating voltage level. 12. BUZZER POFF, RESET TIMING CHART +5V Oscillation frequency is 2.048kHz (2.0kHz~2.2kHz). 20.8V +24V No.
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CHAPTER 5. DIAGNOSTIC PROGRAM 1. TEST ITEMS 2. DESCRIPTION OF EACH DIAG PROGRAM The test items are as follows: Code 1) DISPLAY BUZZER TEST Description 1) 100 Display buzzer test 2) 101 Key code 3) 102 Printer test 4) 104 Keyboard test 5) 105 Mode switch test 6) 106 Printer sensor test 7) 107 Clock test 8) 110 Drawer 1 open & sensor test 1 Key operation 100 3 CA/AT 2 Test procedure OP display D I S P BUZZER SRV 0 1 2 3 4 5 6 7 8 9ABCDEF 4.5.6.7.8.9.0.
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3) PRINTER TEST 5) MODE SWITCH TEST 1 Key operation 1 Key operation 102 3 CA/AT 105 3 CA/AT 2 Test procedure 2 Test procedure OP display R / J SRV P R I N T E R OP display Enlargement MODE 1 0 5 SRV SW X MODE: SRV_PGM2_PGM1_OFF_OP X/Z_REG_MGR_X1/Z1_X2/Z2__SRV 1 2 9 3 4 5 6 7 0 X : 0 The above X must be read in the correct order. (If the contact is open, 9 will be displayed.) 3 Check: 5 lines of 24 digits are printed. The display during testing and the content of the completion print.
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7) CLOCK TEST 9) DRAWER 2 OPEN & SENSOR TEST 1 Key operation 1 Key operation 107 3 CA/AT 111 3 CA/AT 2 Test procedure 2 Test procedure OP display T I ME R 1 0 7 Hour OP display SRV CHECK Min. DRAWER 2 SRV X X : O = DRAWER OPENED Sec. C = DRAWER CLOSED Blinks at an interval of 0.5 sec. 3 Check that: A) That drawer 2 opens normally. 3 Check that: B) The sensor correctly indicates the status of the drawer 2. “–“ blinks and the clock counts up.
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11) STANDARD RAM TEST 12) OPTION RAM TEST 1 Key operation 1 Key operation 120 3 CA/AT 121 3 CA/AT 2 The standard RAM is checked. 2 The standard RAM is checked. The test program tests internal RAM (10 Kbytes) of the CPU. The contents of memory must be stored before and after this test. RAM (00400H ~ 02BFFH area) is tested in the following procedure. The contents of memory must be the same before and after this test.
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13) CPU INTERNAL RAM TEST 15) AD CONVERSION PORT TEST 1 Key operation 1 Key operation 122 3 CA/AT 160 3 CA/AT 2 Test procedure 2 Test procedure The test program tests internal RAM (10 Kbytes) of the CPU. The contents of memory must be stored before and after this test. RAM (00400H ~ 02BFFH area) is tested in the following procedure. The test program displays the voltage of each AD conversion port. Display a) Store data in the test area.
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19)SCANNER TEST Data communication check A loopback test of 256-byte data between is performed. DATA: $00 - $FF BAUD RATE:9600 BPS OP display RS 2 3 2 5 0 0 T E S T The bar code data read from the scanner is displayed and printed. SRV 1 Key operation 510 3 CA/AT OK **NG**ERxx 2 Test procedure The bar code scanner is tested while connected with RS-232 PORT of ERA520, ER-A530.
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CHAPTER 6. IPL FROM EP-ROM Before installation, unplug the AC power cord from the AC outlet. 6. Unplug the AC power cord from the AC outlet. 1. Open the top cabinet. 7. Remove the IPL ROM from to the IC socket of the MAIN PWB. 2. Set the IPL switch (S1) to the ROM COPY position. 8. Set the IPL switch (S1) to GND position. ROM COPY ROM COPY GND GND VCC VCC S1 S1 S1 S1 IPL switch IPL switch 9. Replace the top cabinet. 3. Install the IPL ROM in the IC socket of the MAIN PWB. 10.
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ER-A520U/ER-A530U CIRCUIT DIAGRAM AND PWB LAYOUT – 22 – A B C D 7 6 5 27pF C40 X1 R61 330 SHEN# 8 32.768KHz PLACE NEAR CPU! !! C39 18pF 5 5 5 5 CPU SCK STH HTS KR6# KR7# 3 3 C49 VCC 2 + WP# R83 RPES JPES 4 4 47K 3 KR8# R73 R74 VDD 47K 0 117 118 133 134 135 136 137 330pF 2 3.3K R86 1 3 CST12.0MTW 6 LATCH# 1 2 3 4 C46 C47 C48 8 7 6 5 7 VDD S0 FSOUT VSS FS781 XIN XOUT S1 LF IC3 PLACE NEAR CPU!!! 330pF 330pF 330pF 330pF 330pF C45 0.
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CIRCUIT DIAGRAM AND PWB LAYOUT – 23 – A B C D 7 R96 9.1KF C60 A23# 1,3 8 A19 A20 A21 A22 1,6 1,3,6 1,3,6 1,3 ZD1 UDZ5.1B VCC R100 6.2KF + NOT USE 1uF/50V R95 3.9K +24V 1,3,6 A[0..22] 1,3,6 D[0..7] 2 3 VDD - + 1,3 1 C69 0.
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ER-A520U/ER-A530U CIRCUIT DIAGRAM AND PWB LAYOUT – 24 – A B C D 8 WR# A0 A20 A21 A22 A23# 1 KS0 1 KS1 1 KS2 1 KS3 1 M_RESET# 1 LEDS0 1 LEDS1 1 LEDS2 1 LEDS3 1 KR0# 1 KR1# 1 KR2# 1 KR3# 1 KR4# 1 KR5# 1 KR6# 1 KR7# 1 KR8# 1 KR9# 1 MODE# 1 FSR# 1,2,6 1,2,6 1,2,6 1,2,6 1,2 1,2 a b c d e f g dp VLED VCC 0.1uF C82 C75 0.1uF LCD I/F / KEY I/F 8 7 VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6 16 15 14 13 12 11 10 9 6 R106 10K VCC 6 C76 100pF 1,2,6 D[0..
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A B C D STRB2# STRB3# STRB4# 1,6 1,6 1,6 8 STRB1# VHCOM 1,6 1 PHUPS 1 VPTEST 1 6 TM 1 1SS355 D9 1SS355 D8 1SS355 D7 1SS355 D6 1SS355 D5 C89 R118 1K 4.7K R114 R112 18KF VCC 0 R116 7 C95 22uF/16V 1SS355 R126 3.6KF R122 16KF 1K D5 VCC D4 1SS355 R176 R128 1K VCC 1000pF C84 100pF VCC PRINTER DRIVER R132 15K 0.1uF C85 FVHS 6 6 1 R129 5.
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CIRCUIT DIAGRAM AND PWB LAYOUT A B C D 7 CD1# 1 ER2# TxD2 RxD2 CD2# CI2# DR2# CS2# 1 1 1 1 1 1 1 8 RS2# CS1# 1 1 DR1# RxD1 1 1 TxD1 1 CI1# ER1# 1 1 RS1# 1 14 15 16 C101 0.1uF 14 15 16 C111 0.1uF C113 0.1uF 24 19 22 26 5 8 21 20 6 7 12 24 19 22 26 5 8 21 20 6 7 12 C99 0.1uF 7 IC24 HIN211 /EN R5OUT R4OUT R3OUT R2OUT R1OUT T4IN T3IN T2IN T1IN C2- C2+ C1- C1+ 0.
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– 27 – A B C D 7 6 5 8 1 DRAWER2 1 DRAWER1 VDD 1,2,3 D[0..7] 1,2,3 A[0..21] C136 C137 22uF/16V 7 22uF/16V D19 6 BFR601009C8NG Q5 2SD2143 FB30 BFR601009C8NG 2SD2143 FB29 FB28 BFR601009C8NG R165 1.8K 1SS355 TO OPTION RAM PWB UP-S02MB C123 0.1uF 0.1uF D13 1SR154-400 C121 5 D12 1SR154-400 OPTION RAM STACK CN.
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CIRCUIT DIAGRAM AND PWB LAYOUT A B C D 8 [+5V, VLED] [+24V] POWER +24V F6 7 C133 220uF/50V T1.0A/250V CORE POWERUNIT 7 + 1 IC26 C134 0.01uF 5 2 PQ1CG2032FZ IC1:HEA T SINK PS CN 1 2 CN8 C126 M0.033u 6 RB060L40 D17 180uH IPEAK>2.2A L2 F4 UL.CSA 3.15A/125V 6 C130 CP301 + 1000uF /16V + BD1 T2A/250V(LT5) 5 PTZ6.2A ZD3 1SR159-200 D15 F5 5 C127 R163 1KF 3KF R160 VLED 6800uF/50V + 1 330uF /16V + C131 1SR159-200 D16 C129 0.1uF 4 VCC +5V VLED + 5.
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PWB LAYOUT ER-A520U/ER-A530U CIRCUIT DIAGRAM AND PWB LAYOUT – 29 –
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ER-A520U/ER-A530U CIRCUIT DIAGRAM AND PWB LAYOUT – 30 –
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ER-A520U/ER-A530U CIRCUIT DIAGRAM AND PWB LAYOUT – 31 –
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q COPYRIGHT © 2004 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.