Sharp ER-A530, ER-A520 service manual IPL from EP-ROM, ROM Copy GND VCC, Ipl Rom

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CHAPTER 6. IPL FROM EP-ROM

Before installation, unplug the AC power cord from the AC outlet.

1.Open the top cabinet.

2.Set the IPL switch (S1) to ROM COPY position.

ROM COPY

GND VCC

S1

S1

IPL switch

3. Install the IPL ROM in the IC socket of the MAIN PWB.

IPL ROM

pin-1

4.Turn the mode key switch to SRV’ position, and insert the AC power cord into the AC outlet.

5.Turn the mode key switch to SRV position. The IPL procedure is started.

When the procedure is completed, the message of “Completed” is shown.

6.Unplug the AC power cord from the AC outlet.

7.Remove the IPL ROM from to the IC socket of the MAIN PWB.

8.Set the IPL switch (S1) to GND position.

ROM COPY

GND VCC

S1

S1

IPL switch

9.Replace the top cabinet.

10.Perform the master reset.

Turn the mode key switch to the SRV’ position, insert the AC power cord into the AC outlet.

While holding down the Journal feed key, turn the mode key from the SRV position to the SRV’ position.

ER-A520U/ER-A530U IPL FROM EP-ROM

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Contents ER-A520 Model ER-A530 Rating SpecificationsAppearance KeyboardDEPT# CancelSlip CONV2 ~ CONV4Mode Switch Mode Switch and Mode KeysDisplay PrinterDrawer Options 1.OPTIONSProgram Reset Master Reset and Program ResetMaster Reset Master ResetHardware Description Block Diagram Memory MAPAddress MAP CPU PIN Table AN0 Temperature Monitor RTS3# Drive SignalRTS4# Drive Signal AN6 Power CON TrolHead Control Printer ControlStepping Motor Control Other PortsPrinter Head Voltage Monitor Printer Head Temperature MonitorD Conversion KEY/DISPLAY Reference VoltageKEY/DISPLAY Scan Serial I/O PowerFlash Memory Rewrite Procedure DisplayRistrictions on Print Ratio ResetBuzzer Description of Each Diag Program Diagnostic ProgramTest Items Display Buzzer TestKeyboard Test Mode Switch TestPrinter Test Printer Sensor TestDrawer 2 Open & Sensor Test Clock TestDrawer 1 Open & Sensor Test LCD CG TestStandard RAM Test Option RAM Test16POLE Display Test CPU Internal RAM TestAD Conversion Port Test Flash ROM Test19SCANNER Test RS TestROM Copy GND VCC IPL from EP-ROMIPL ROM Circuit Diagram and PWB Layout CPUSram / from / Eprom / Poff 16M Flash ROMLCD I/F / KEY I/F Printer Driver RS232C Driver / UP-P16DP CN Option RAM Connector / Printer Connector / Drawer DRAWER1+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 Copyright  2004 by Sharp Corporation 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.