Sharp ER-A520, ER-A530 service manual +5V, Vled

Page 29

 

ER-A520U/ER-A530U

– 28 –

CIRCUIT DIAGRAM

 

AND PWB LAYOUT

8

7

 

 

 

6

 

5

 

 

 

4

 

 

 

3

 

2

1

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

[+24V]

POWERUNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UL.CSA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.15A/125V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BD1

 

 

 

 

TP1

 

 

 

 

 

 

 

 

 

 

 

 

 

F4

 

 

 

1

VO

 

 

 

 

HEAT SINK

 

 

 

CORE

 

 

CN8

 

 

T2A/250V(LT5)

 

 

 

 

 

 

Q6

 

 

 

 

 

1

C126

 

 

 

 

 

 

 

 

L1

 

 

 

 

 

+

 

 

 

 

 

 

KTD998

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+24V

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M0.033u

 

 

 

 

 

 

 

 

 

 

180uH

 

 

 

 

 

PS CN

 

F5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CP301

 

 

 

 

 

 

 

 

R156

 

R157

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

C127

 

 

 

 

 

IC25

 

D14

22KF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD2

 

 

 

 

 

 

 

 

+

 

 

 

5

 

7

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RB160L-60

C128

PTZ30B

 

 

 

 

 

 

 

 

6800uF/50V

 

 

 

 

 

 

10(FUSE)

2200uF/35V

 

C

 

 

 

 

 

 

 

 

R158

 

 

 

LM2574HVN

 

C

 

 

 

 

 

 

 

 

C129

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18K

 

 

4 2 3

6,8PIN :NC

 

 

R159

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.2KF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[+5V, VLED]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1:HEA T SINK

 

 

 

VLED

 

VCC +5V

 

 

 

 

 

 

 

 

+24V

 

 

 

 

 

 

 

VLED + 5.8V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F6

IC26

PQ1CG2032FZ

IPEAK>2.2A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1.0A/250V

L2

 

D15

 

 

 

 

 

 

 

 

 

 

 

 

 

1

4

2

 

 

 

 

 

 

 

 

 

VCC

 

 

 

 

 

 

180uH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1SR159-200

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

D16

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

VDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C130

 

1SR159-200

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

R161

 

 

 

 

 

 

 

 

 

 

R160

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3KF

 

 

 

 

180

 

 

 

 

 

 

 

 

 

1000uF

ZD3

 

 

 

C132

 

 

 

 

 

 

 

 

 

 

C134

D17

/16V

+

C131

 

+

 

 

 

 

 

 

 

C133

+

 

 

 

 

 

 

 

 

 

 

 

 

0.01uF

 

 

 

330uF

 

47uF

 

 

 

 

 

 

 

220uF/50V

 

 

RB060L40

 

PTZ6.2A

 

 

 

 

 

 

 

 

 

 

 

 

 

R162

 

 

 

 

 

 

 

 

 

/16V

 

 

/16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R163

 

 

 

 

150

 

 

 

 

 

 

 

 

 

 

 

 

1KF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C135

CN9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BT CN(2Pin)5267-02A(BLUE)

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

8

7

 

 

 

6

 

5

 

 

 

4

 

 

 

3

 

2

1

Image 29
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 ResetAddress MAP Block Diagram Memory MAPHardware Description 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 DisplayBuzzer ResetRistrictions on Print Ratio 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 TestIPL ROM IPL from EP-ROMROM Copy GND VCC 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.