ELCOM Euro-50 Manuals

ELCOM Euro-50 Manuals

Manuals and User Guides for ELCOM Euro-50. We have 1 ELCOM Euro-50 manual available for free PDF download: Service Manual

ELCOM Euro-50 Service Manual

ELCOM Euro-50 Service Manual (82 pages)

Brand: ELCOM | Category: Cash Register | Size: 5 MB

Table of Contents

Table of Contents
3
1 Introduction

7
- General Specifications
  8
- Hardware Specifications
  8
2 Disassembling the Cash Register

9
- Procedure for Disassembling the Cash Register
  10
  - Removing the Cash Register Covers
    10
  - Replacing the Cash Register Modules
    14
    
    Replacing the Accumulator
    14
    
    Replacing the Power Supply Board - DPS E50 PWR
    14
    
    Replacing the Motherboard - DPS E50 MB
    15
    
    Replacing the Silicone Keyboard
    15
    
    Replacing the Printer
    15
    
    Replacing the External Paper Sensor
    17
    
    Replacing the Journal Motor Reel
    17
    
    Replacing the Reserve Battery
    19
    
    Replacing the Cashier Display
    19
    
    Replacing the Customer Display
    20
    
    Installation of the RS232 Interfaces COM1, COM2
    20
3 Testing the Cash Register

23
4 Removing Malfunctions

29
5 The Cash Register Circuits

37
- The Motherboard
  38
  - Abbreviations Used
    38
- Configuration of the Jumpers on the Motherboard
  38
- List of Connectors on the Motherboard
  38
- Microcontroller
  38
  - Classifying of Microprocessor Outputs and Values in the Individual Power Modes of the Cash Register
    38
    
    Internal Memory - RAM
    42
    
    Internal Memory - FLASH
    42
    
    RTC Circuit
    42
    
    Reset
    42
- External Memory Subsystem
  43
  - RAM Memory
    43
  - Dataflash Memory
    43
  - SD Card
    43
- Supply 1.8V - Supply Voltage for the Microcontroller Core
  43
- Interface for Connecting Power Supply Boards
  43
- Controlling Printing
  44
- Keyboard
  47
- Interface for Connecting Displays
  47
- The RS232 Interfaces, USB Slave
  47
- Interface for an FM Connection
  48
- Buzzer
  48
- Power Supply Board
  48
  - Input Filter
    48
  - Charging the Accumulator
    48
  - Supply 3.3V - VDDQ
    49
  - Supply 5V - EXT5V
    49
    
    USB Interface
    49
    
    SD Card Interface
    49
    
    Batter Cover Position Sensor
    49
    
    Description of the Connectors
    49
  - Board for Connecting the Customer Display
    49
6 Connecting Peripheral Devices

51
7 Updating the Cash Register Software

55
- Software Update Using Euro-50 Mini Flash Update Utility
  56
- Initializing the Cash Register - Master Reset
  57
8 Block Diagrams, Placement Drawings, Specifications

59
- PCB MB E50 - Block Diagram
  60
- Pcb Mb E50 - Mpu
  61
- PCB MB E50 - Ram and Dataflash
  62
- PCB MB E50 - Printer Control
  63
- PCB MB E50 - RS232 and Usb Interface
  64
- PCB MB E50 - Keyboard
  65
- PCB MB E50 - Journal Motor, Buzzer
  66
- PCB MB E50 - Displays, Fm Interface
  67
- PCB MB E50 - Power Interface
  68
- PCB PWR E50 - Power
  72
- Pcb E50 - D-IC
  76
- Pcb E50 - Ps
  78
- E50 - Com Connectors
  80
- E50 - Cable Adapters - Scales
  81
- E50 - Cable Adapters - Scanner
  82

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