Sharp service manual ER-A520 Model ER-A530

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qSERVICE MANUAL

CODE : 00ZERA520USME

ER-A520

ER-A530

ELECTRONIC CASH REGISTER

ER-A520 MODEL ER-A530

(U, A version)

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 . . . . . . . . . . . . . . . . . . . . . 14

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

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

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.

 

This document has been published to be used

SHARP CORPORATION

for after sales service only.

The contents are subject to change without notice.

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Contents ER-A520 Model ER-A530 Appearance SpecificationsRating KeyboardSlip CancelDEPT# CONV2 ~ CONV4Mode Switch and Mode Keys Mode SwitchPrinter DisplayOptions 1.OPTIONS DrawerMaster Reset Master Reset and Program ResetProgram Reset Master ResetHardware Description Block Diagram Memory MAPAddress MAP CPU PIN Table RTS4# Drive Signal RTS3# Drive SignalAN0 Temperature Monitor AN6 Power CON TrolStepping Motor Control Printer ControlHead Control Other PortsD Conversion KEY/DISPLAY Printer Head Temperature MonitorPrinter Head Voltage Monitor Reference VoltageKEY/DISPLAY Scan Flash Memory Rewrite Procedure PowerSerial I/O DisplayRistrictions on Print Ratio ResetBuzzer Test Items Diagnostic ProgramDescription of Each Diag Program Display Buzzer TestPrinter Test Mode Switch TestKeyboard Test Printer Sensor TestDrawer 1 Open & Sensor Test Clock TestDrawer 2 Open & Sensor Test LCD CG TestOption RAM Test Standard RAM TestAD Conversion Port Test CPU Internal RAM Test16POLE Display Test Flash ROM TestRS Test 19SCANNER TestROM Copy GND VCC IPL from EP-ROMIPL ROM CPU Circuit Diagram and PWB Layout16M Flash ROM Sram / from / Eprom / PoffLCD I/F / KEY I/F Printer Driver RS232C Driver / UP-P16DP CN DRAWER1 Option RAM Connector / Printer Connector / Drawer+5V, Vled ER-A520U/ER-A530U Circuit Diagram and PWB Layout ER-A520U/ER-A530U Circuit Diagram and PWB Layout ER-A520U/ER-A530U Circuit Diagram and PWB Layout Sharp Corporation Copyright  2004 by Sharp Corporation

ER-A520, ER-A530 specifications

The Sharp ER-A530 and ER-A520 are advanced electronic cash registers designed to cater to the needs of small and medium-sized businesses. These models are known for their reliability, user-friendly interfaces, and robust features that enhance operational efficiency in retail environments.

One of the most prominent features of the ER-A530 and ER-A520 is their advanced transaction processing capabilities. Equipped with a high-speed thermal printer, these registers ensure quick and efficient printing of receipts, which is essential for maintaining customer satisfaction during busy hours. The print quality is clear and legible, providing customers with a professional receipt that reflects the brand's identity.

Both models boast an intuitive and ergonomic keypad layout, making it easy for staff to learn and operate the register with minimal training. The bright and easy-to-read LCD display is another key characteristic, allowing operators to view transaction details clearly in various lighting conditions. This user-friendly design reduces errors and speeds up the checkout process, making it ideal for busy retail settings.

In terms of storage capacity, the Sharp ER-A530 and ER-A520 can handle a substantial number of PLUs (Price Look Up codes), accommodating a wide range of products and services. This extensive capability is particularly beneficial for businesses with a diverse inventory, as it enables quick access to pricing and product information without needing to enter details manually for every sale.

Connectivity is another strong point for these registers. The ER-A530 and ER-A520 support various peripheral devices, including barcode scanners, cash drawers, and kitchen printers. This versatility allows businesses to create a more streamlined checkout process, enhancing overall operational efficiency.

Additionally, both models include advanced reporting features that allow business owners to track sales trends, monitor inventory levels, and analyze performance over time. This analytical capability is crucial for making informed decisions about inventory management, staffing, and sales strategies.

Moreover, the security features in the ER-A530 and ER-A520 ensure that sensitive financial data is protected. With password-protected access to programming and certain functions, businesses can safeguard against unauthorized use while maintaining a secure environment for transactions.

In summary, the Sharp ER-A530 and ER-A520 electronic cash registers stand out in the market for their reliable performance, user-friendly design, and a comprehensive set of features that accommodate the unique needs of retailers. These registers not only enhance customer service but also provide critical insights for inventory and sales management, making them an excellent choice for businesses looking to streamline their operations.