Metrologic MS7600 Horizon series Service Manual
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Metrologic MS7600 Horizon series Service Manual

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METROLOGIC INSTRUMENTS, INC.
®
MS7600 Horizon
Series
Service Manual
I

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Summary of Contents for Metrologic MS7600 Horizon series

  • Page 1 METROLOGIC INSTRUMENTS, INC. ® MS7600 Horizon Series Service Manual...

  • Page 2: Table Of Contents

    Table of Contents Section Name: Page # PRELIMINARY INFORMATION ............................1-1 ................................1-1 RODUCT AFETY 1.1.1 Notices..................................1-1 INTRODUCTION...................................2-3 INTRODUCTION ................................2-3 .................................2-3 ANUAL COPE ..............................2-3 ANUAL YMBOL ..............................2-4 ENERAL RECAUTIONS 2.4.1 PRODUCT ESD INFORMATION:........................2-4 2.4.2 LASER SAFETY INFORMATION:........................2-4 THEORY & OPERATION..............................3-1 ......................3-1 ASIC ECODING ECTIONAL UMMARYS...
  • Page 3 ..................8-4 EPTH OF IELD BY INIMUM LEMENT IDTH ....................8-5 CANNER ONNECTOR ABLE INOUT ONNECTIONS 8.3.1 MS7320 Pinout Connections..........................8-5 8.3.2 Cable Connector Configurations..........................8-7 MS7600 HORIZON S ......................8-9 CANNER PECIFICATIONS 8.4.1 OPERATIONAL DESIGN SPECIFICATIONS ....................8-9 8.4.2 OVERALL PHYSICAL DIMENSIONS ......................8-10 8.4.3 ELECTRICAL CHARACTERISTICS .........................

  • Page 4: Preliminary Information

    1 PRELIMINARY INFORMATION 1.1 Product Safety 1.1.1 Notices Notice This equipment has been tested and found to comp ly with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 5 Achtung Die Verwendung anderer als der hier beschriebenen Steuerungen, Einstellungen oder Verfahren kann eine gefährliche Laserstrahlung hervorrufen. Der Kunde sollte unter keinen Umständen versuchen, den Laser-Scanner selbst zu warten. Sehen Sie niemals in den Laserstrahl, selbst wenn Sie glauben, daß der Scanner nicht aktiv ist. Öffnen Sie niemals den Scanner, um in das Gerät hineinzusehen.

  • Page 6: Introduction

    2 INTRODUCTION 2.1 INTRODUCTION The MS7600 Horizon® series is Metrologic’s next generation in-counter laser bar code scanner. This compact, hands- free scanner is designed with a dense 20-line omnidirectional scan pattern that helps provide fast, efficient throughput with a high first pass read rate.

  • Page 7: General Precautions

    2.4 General Precautions ** ESD PREVENTION STEPS MUST BE USED DURING ANY MODIFICATIONS AND/OR REPAIRS TO THIS UNIT! ** 2.4.1 PRODUCT ESD INFORMATION: This product contains ESD sensitive components, or ‘Electrostatic Discharge’ sensitive electronic parts. Electrostatic discharge is defined as the transfer of charge between bodies at different electrical potentials. Electrostatic discharge has the ability to modify the electrical characteristics of a semiconductor device, possibly degrading or even destroying it.

  • Page 8: Theory & Operation

    3 THEORY & OPERATION FIGURE 2.4-1 VLD LASER AND BARCODE DATA PATHS 3.1 Basic Data Decoding Sectional Summarys 3.1.1 Photodiode (Detector) Summary: 3.1.1.1 Receives the optical signal reflected off the bar code 3.1.1.2 Converts into electrical signal (current) of about 100 nanoamps 3.1.2 Pre-Amplifier Sectional Summary: 3.1.2.1 Part of the Signal processor board, usually contained in a shielded area of the PCB with the Photodiode.

  • Page 9: Ms7600 Horizon Scanner History

    4 MS7600 HORIZON SCANNER HISTORY MS7600 PROTOTYPE – MS7600 A – MS7600 B – NEW SANYO VLD...

  • Page 10: Board Removal & Installation

    5 BOARD REMOVAL & INSTALLATION THE MS762X ELECTRONICS ARE ESD SENSITIVE! ESD SAFETY PROCEDURES MUST BE FOLLOWED WHILE HANDLING THE MS762X UNIT WITH ANY ELECTRONICS EXPOSED!! 5.1 Disassembling the unit 5.1.1 Optics Bench Removal 5.1.1.1 Remove the outer cover to reveal the inner cover by lifting up on the edges of the TORX SCREWS cover.

  • Page 11: Decode Board Removal & Installation

    5.2 Decode board Removal & Installation 5.2.1 Decode Boar d Replacement 5.2.1.1 Open Unit by following steps from 5.1.1.1 up to 5.1.1.6 5.2.1.2 Disconnect beeper cable from Decoder Board (J4 connector) 5.2.1.3 Close outside connector covers and release Decoder Board by pulling it in vertical direction.

  • Page 12: Vld Replacement Procedure

    5.4 VLD Replacement Procedure 5.4.1 VLD Removal Instructions: 5.4.1.1 Open the case to gain access inside the unit. (Follow Steps 5.5.1.1 up to step 5.1.1.5) 5.4.1.2 Put bench aside the bottom case without disconnecting motor wire and flex cable from the decoder board. 5.4.1.3 Power up the unit and mark with an easy erasable marker the beam point generated by the laser onto the joystick mirror...
  • Page 13 5.4.1.11 Use a Reflective paper and check out that reflexion laser light gets to the photodiode window at the signal processor board. 5.4.1.12 Once the alignment is fixed up, glue VLD by using LOCTITE 406 and accelerator LOCTITE 7455 to fast cure the glue. 5.4.1.13 Clean the mark at the joystick (Be careful and do never touch Collector mirror with fingers)

  • Page 14: Pcb Specifications

    6 PCB SPECIFICATIONS 6.1 Signal Processor Board 46-46648 BOTTOM SIDE VIEW 46-46648 – TOP SIDE VIEW 6.1.1 Signal Processor Board Functions • Receives the optical signal reflected off the bar code. • Converts received optical signal into electrical signal (current) of about 100 nanoamps. •...

  • Page 15: Decode Board

    6.2 Decode Board 46-46647 TOP SIDE VIEW 46-46647 BOTTOM SIDE VIEW 6.2.1 DECODE Board Functions • Decoding algorithm decodes digital signals into universal ASCII character data. • The ASCII character data is then transmitted to the Host Computer System. • Stores unit configuration information, including all possible other configuration modes in it’s memory.

  • Page 16: Troubleshooting

    7 TROUBLESHOOTING 7.1 AUDIBLE INDICATORS When the MS7600 scanner is in operation, it provides audible feedback. These sounds indicate the status of the scanner. Eight settings are available for the tone of the beep (normal, 6 alternate tones and no tone) plus three volume settings.

  • Page 17: Visual Indicators

    7.2 VISUAL INDICATORS There is a red LED and amber LED on the front of the MS7600. When the scanner is on, the flashing or constant illumination of the LEDs indicates the status of the current scan and the scanner. No Red or Amber LED The LEDs will not be illuminated if the scanner is not receiving power from the host or transformer.

  • Page 18: Failure Modes

    7.3 FAILURE MODES Flashing Amber and One Razzberry Tone This indicates the scanner has experienced a laser subsystem failure. Return the unit for repair at an authorized service center. Flashing Amber and Red and Two Razzberry Tones This indicates the scanner has experienced a motor failure. Return the unit for repair at an authorized service center.

  • Page 19: Ms7320 Series Troubleshooting Guide

    MS7600. Use the power supply included with the scanner. 3 beeps on power up. Non-volatile RAM failure Contact a Metrologic Representative, if the unit will not hold the programmed configuration Continuous razz tone on RAM or ROM failure Contact a Metrologic Representative, if the unit power up.
  • Page 20 TROUBLESHOOTING GUIDE (CONTINUED) SYMPTOMS POSSIBLE CAUSE(S) SOLUTION UPC/EAN, Code 39, interleaved 2 of 5, Code 93, Scanning a particular symbology Code 128 and Codabar are enabled by default. that is not enabled Verify that the type of bar code being read has been selected The unit powers up, but does not scan and/or beep...
  • Page 21 TROUBLESHOOTING GUIDE (CONTINUED) SYMPTOMS POSSIBLE CAUSE(S) SOLUTION Scanner beeps at some bar The bar code may have been Check if it is a check digit/character/or border codes and NOT for others printed incorrectly problem of the same bar code symbology The scanner is not configured Check if check digits are set properly correctly for this type of bar...
  • Page 22 TROUBLESHOOTING GUIDE (CONTINUED) SYMPTOMS POSSIBLE CAUSE(S) SOLUTION Everything works except These characters may not be Try operating the scanner in Alt mode for a couple of characters supported by that country’s key look up table RS-232 ONLY. The unit is transmitting Configuration is not correct Increase the interscan code delay setting.
  • Page 23 The unit emits a razz tone The USB port is not operating Disconnect then reconnect the USB cable at the and the LEDs flash three correctly. host end. Contact a Metrologic service times when configured for representative if symptoms persist.

  • Page 24: Specifications & Pinouts

    8 SPECIFICATIONS & PINOUTS 8.1 Scan Volume Specifications (Based on 100% UPC Bar Codes).

  • Page 25: Depth Of Field By Minimum Bar Code Element Width

    8.2 Depth of Field by Minimum Bar Code Element Width...

  • Page 26: Scanner Connector/Cable Pinout Connections

    8.3 Scanner Connector/Cable Pinout Connections 8.3.1 MS7320 Pinout Connections. The MS7600 scanner interfaces terminate to 10-pin modular jacks located on the back of the unit. The serial # label indicates the model number of the scanner.

  • Page 28: Cable Connector Configurations

    8.3.2 Cable Connector Configurations...
  • Page 29 FIGURE 8.3-2 - 6 PIN DIN, FEMALE DIN, MALE Metrologic will supply an adapter cable with a 5-pin DIN male connector on one end and a 6-pin mini DIN female connector on the other. FIGURE 8.3-4 - ADAPTER CABLE FIGURE 8.3-5 - 5 PIN FIGURE 8.3-6 - 6 PIN...

  • Page 30: Ms7600 Horizon Scanner Specifications

    Scan Lines Min Bar Width: 0.127 mm (5.0 mil) Decode Capability: Autodiscriminates all standard bar codes; for other symbologies call Metrologic System Interfaces: PC Keyboard Wedge, RS-232, OCIA, Light Pen, Stand Alone PC Keyboard, USB, IBM 46xx Print Contrast: 35% minimum reflectance difference...

  • Page 31: Overall Physical Dimensions

    193 mm (7.6") H, 88 mm (3.5") D, 229 mm (9.0") W Weight: 2.88 Kg (6.35 lbs) Termination: Three 10-pin modular RJ45 jacks Cable: Standard 2.1m (7’) straight; for other cables call Metrologic 8.4.3 ELECTRICAL CHARACTERISTICS ELECTRICAL MS7600 SPECIFICATIONS Input Voltage: 5.2VDC ± 0.25V Power: 2.6 W...

  • Page 32: Environmental Details

    8.4.4 ENVIRONMENTAL DETAILS ENVIROMENTAL MS7220 SPECIFICATIONS Operating Temperature: 0°C to 40°C (32°F to 104°F) Storage Temperature: -40°C to 60°C (-40°F to 140°F) Humidity: 5% to 95% relative humidity, non-condensing Light Levels: 4842 LUX (450 foot candles) Contaminants: Sealed to resist airborne particulate contaminants Ventilation: None required Specifications subject to change without notice.

  • Page 33: Caution And Serial Number Labels

    8.5 Caution and Serial Number Labels 8.5.1 Labels Each scanner has a label on the bottom of the unit. The label contains information such as the model number, date of manufacture, serial number, and caution information. An additional caution label is located under the top plate. The following are examples of these labels.

  • Page 34: Servicing Information

    This warranty is limited to repair, replacement of Product or refund of Product price at the sole discretion of Metrologic. Faulty equipment must be returned to the Metrologic facility in Blackwood, New Jersey, U.S.A. or Puchheim, Germany.

  • Page 35: Metrologic Service Locations

    Fax: +34 913 273 829 Edificio Diapasón Email: info@es.metrologic.com 28037 Madrid Italy Metrologic Instruments Italia srl Tel: +39 0 51 6511978 Via Emilia 70 Fax: +39 0 51 6521337 40064 Ozzano dell’Emilia (BO) Email: info@it.metrologic.com France Metrologic Eria France SA Tel: +33 (0) 1 48.63.78.78...

  • Page 36: Patents

    METROLOGIC products that are physically transferred to the user, and only to the extent of METROLOGIC’S license rights and subject to any conditions, covenants and restrictions therein.”...
  • Page 37 Notes: 9-16...
  • Page 38 Notes: 9-17...
  • Page 39 Notes: 9-18...

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