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©2004 Metrologic Instruments, Inc.  All rights reserved                                           MS2020 Stratos Service Manual 

SERVICING AND MAINTENANCE PROCEDURES

 

 

 

WINDOW & GLASS: REMOVAL & REPLACEMENT 

 

Vertical Scan Window Replacement: 

1.  Pull  forward  on  the  top  of  the  vertical 

window frame.  

 

2.  Tilt  the  Vertical  Window  Frame  forward 

and up to clear the buttons and tabs.  

 

3.  Align  and  insert the  tabs  on  the  bottom 

on the replacement frame with the slots 

at the base of the window in scanner.   

 

4.  Tilt  the  frame  back  into  place,  over  the 

buttons, until you hear a ‘click’ indicating 

the window frame is secure.  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Removing Window Frame. 

Tilt Window Frame forward and up. 

Align new Window Frame. 

Secure New Window Frame to Unit. 

Summary of Contents for MS2020 Stratos

Page 1: ...i 2004 Metrologic Instruments Inc All rights reserved Stratos Service Manual METROLOGIC INSTRUMENTS INC MS2020 Stratos Series SERVICE MANUAL...

Page 2: ...ii 2004 Metrologic Instruments Inc All rights reserved Stratos Service Manual ii This page has been intentionally left blank...

Page 3: ...c All rights reserved Stratos Service Manual COPYRIGHT INFORMATION Copyright 2004 by Metrologic Instruments Inc All rights reserved No part of this publication may be reproduced in any form or by any...

Page 4: ...iv 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual This page has been intentionally left blank...

Page 5: ...NUAL SYMBOL KEY 7 STRATOS SCANNER HISTORY PROFILE 8 THEORY OPERATION 9 SCANNER OPERATION 9 SCANNER OPERATION BLOCK DIAGRAM 10 Scanner Component Description 10 SIGNAL PROCESSOR BLOCK DIAGRAM 11 SCALE E...

Page 6: ...m Side 43 I R CHANNEL SENSOR BOARD 45 Stratos IR Board Layout 46 LED DISPLAY BUTTON BOARD 47 Stratos LED Button Board Layout 49 POWER CONNECTOR BOARD 50 Stratos Power Connector Board Layout 51 COMMUNI...

Page 7: ...G PARTS GENERAL SERVICING INFORMATION 79 Base Models 79 Model Number Designation Graph 79 Stratos Replacement Parts Available 80 Replacement Spare Parts Listing 82 IMPORTANT SITE INSTALLATION INFORMAT...

Page 8: ...viii 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual This page has been intentionally left blank...

Page 9: ...ence received including interference that may cause undesired operation NOTICE This Class A digital apparatus complies with Canadian ICES 003 Remarque Cet appareil num rique de la classe A est conform...

Page 10: ...digung ATTENZIONE L utilizzo di sistemi di controllo di regolazioni o di procedimenti diversi da quelli descritti nel presente Manuale pu provocare delle esposizioni a raggi laser rischiose Il client...

Page 11: ...he scanner Never attempt to look at the laser beam even if the scanner appears to be nonfunctional Doing so could result in hazardous radiation exposure The MS7100 Unit is rated as a CLASS IIA laser p...

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Page 13: ...en handling your MS2020 Series scanner DO NOT TURN the unit upside down with the platter in place DO NOT PRESS on the window in the replacement platter or the vertical window frame LIFT the platter st...

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Page 15: ...INTRODUCTION MANUAL SCOPE This guide provides a way to perform service repairs It contains an overview of the scanner with detailed information about troubleshooting functionality and scanner perform...

Page 16: ...PM Computer 35505C without Motor Control PCB Motor speed is 3000 RPM Head Cable not changeable in field MS6720 Revision D December 1997 Signal Processor 35509C Computer PCB 35505D Motor Control circui...

Page 17: ...ppear in the diagnostic indicator display The following are examples of the types of tests performed at power up 1 Memory tests 2 Hardware setup tests 3 Motor tests 4 Laser tests 5 Configuration tests...

Page 18: ...about 100 nanoamps Pre Amplifier Converts the electrical current to a voltage signal Voltage signal is amplified by a factor of 1000 Ambient light noise is filtered out Resultant signal is routed to t...

Page 19: ...ual THEORY OPERATION SIGNAL PROCESSOR BLOCK DIAGRAM 0 4 0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 0 5 0 00603 0 00605 0 00607 0 00609 0 00611 0 00613 0 00615 0 00617 Time Voltage Time 0s 20us 40us 60us 80us V fir...

Page 20: ...12 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual THEORY OPERATION SCALE ELECTRONICS FLOW CHART...

Page 21: ...UT Motherboard Main Board Coverts 5VDC to 12VDC Optional Scale Interface Board Horizontal Engine Vertical Engine IR Sensor Board LED Board J6 J11 J5 J9 J8 J4 IR Sensor Board J10 Red 5VDC Orange 12VDC...

Page 22: ...14 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual THEORY OPERATION SCAN ZONE Checker Side 13 mil Horizontal left right 13 mil...

Page 23: ...15 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual THEORY OPERATION Scan Zone Continued Horizontal Direct 13 mil Vertical Direct 13 mil...

Page 24: ...16 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual THEORY OPERATION Scan Zone Continued Top down 13 mil IR activation area perpendicular to package flow...

Page 25: ...rogrammed to do so If the scanner does not beep once and the white light does not flash then the bar code has not been successfully read Razzberry Tone This is a failure indicator Refer to failure mod...

Page 26: ...ingle White Flash When the scanner successfully reads a bar code the white LED will flash and the scanner will beep once If the white LED does not flash or the scanner does not beep once then the bar...

Page 27: ...nes This indicates that the scanner has experienced a laser subsystem failure The scanner will try up to 3 times to correct the failure condition If the laser subsystem continues to fail that subsyste...

Page 28: ...for repair at an authorized service center 03 PROGRAM ERROR The scanner s software program is failing Return the unit for repair 04 INTERFACE ERROR After power up and any application exit e g MetroSe...

Page 29: ...subsystem denotes a failure The scanner will try three times to correct the laser operation If the laser error persists the vertical scanning subsystem will be shut down and this error code will remai...

Page 30: ...ROR The motor in the vertical scanning subsystem denotes a failure The scanner will try three times to correct the motor operation If the motor error persists the vertical scanning subsystem will be s...

Page 31: ...le RAM failure Contact a Metrologic service representative if the unit will not hold the programmed configuration During power up the unit razzes continuously A RAM or ROM failure Contact a Metrologic...

Page 32: ...but locks up after the first scan the white LED stays on The scanner is configured to support some form of host handshaking but is not receiving the signal If the scanner is setup to support ACK NAK R...

Page 33: ...odes The scanner defaults to a minimum of 4 character bar code The bar code may have been printed incorrectly Check if it is a check digit character or border problem The scanner is not configured cor...

Page 34: ...using the MetroSelect Configuration Guide MLPN 00 02407B Aux Port Operation With Any Interface The secondary scanner is not functioning Refer to the user s guide provided with the secondary scanner Ca...

Page 35: ...his point investigate whether the application software and the scanner configuration match If the application does not support RS232 scanners a software wedge program that will take RS232 data and pla...

Page 36: ...28 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual This page has been intentionally left blank...

Page 37: ...and diagrams shown on this page No Special tools are required to complete Removal from Counter 1 Raise lifting hooks as shown in picture and figures 2 Press your thumbs against vertical window and pla...

Page 38: ...removed Forward View of Hood Unit SERVICING AND MAINTENANCE PROCEDURES Vertical Hood Cover Removal 1 Using a Phillips 1 Screwdriver remove all screws shown in pictures below 2 Once all 8 screws shown...

Page 39: ...2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual SERVICING AND MAINTENANCE PROCEDURES Stratos Hood Board Assembly View Motherboard Speaker LED Display Board I R Senso...

Page 40: ...29 of this manual 4 Carefully turn Stratos Scanner unit upside down and locate the 4 TORX Screws keeping the Horizontal Scanner Module in place Refer to Figure to the right 5 Using a size T 10 torx sc...

Page 41: ...rights reserved MS2020 Stratos Service Manual SERVICING AND MAINTENANCE PROCEDURES Bottom view board layout Shown without Horizontal Engine Module Installed Power Connector Board Communications Board...

Page 42: ...window frame 2 Tilt the Vertical Window Frame forward and up to clear the buttons and tabs 3 Align and insert the tabs on the bottom on the replacement frame with the slots at the base of the window i...

Page 43: ...latter straight up to remove from Stratos Chassis 2 Remove two philips head screws on window side of the platter allowing the steel reinforcement bar to come free Shown in Figure to the right 3 Carefu...

Page 44: ...place in protective storage such as an ESD safe bag or ESD safe protect foam Motherboard Installation 1 Carefully place new motherboard over mounting screw sockets and keep aligned with motherboard sc...

Page 45: ...ed on page 29 2 Locate J2 J3 on the motherboard as shown in Figure to the right 3 Locate J2 J3 on the IBM Daughter Board 4 Carefully hold the IBM Daughter board in front of the motherboard and align J...

Page 46: ...ing the Vertical Scanner Module in place Refer to Figure to the right 4 Using a size T 10 torx screwdriver remove all 6 torx screws noted in step 3 5 Remove rear plate as shown in picture to the right...

Page 47: ...ly turn Stratos Scanner unit upside down and locate the 4 TORX Screws keeping the Horizontal Scanner Module in place Refer to Figure to the right 4 Using a size T 10 torx screwdriver remove all 4 torx...

Page 48: ...gine with the mating connector on the bottom base 3 Fasten the engine with four 4 M3x 5x8mm Torx screws Tighten with power driver and T 10 bit 4 Rotate the rear of the vertical engine base into the bo...

Page 49: ...channels Generates 12V for 3 pre amplifier boards Fuses for 12V and 5 V 2 IR detection circuits Speaker drive circuitry Headers for interface selection daughter boards RS232 communication to host Scal...

Page 50: ...42 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual PCB SPECIFICATIONS Motherboard Main board Layout Top Side Motherboard top side view...

Page 51: ...43 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual PCB SPECIFICATIONS Motherboard Main board Layout Bottom Side Motherboard Bottom side view...

Page 52: ...21 GROUND 22 GROUND 23 GROUND 24 AN1 J8 To LED Board 1 12VDC 2 BLUE LED 3 WHITE LED 4 VOLUME BUTTON 5 SCALE ZERO 6 GROUND J5 To Interface Board 1 5VDC 2 5VDC 3 5VDC 4 HOST TRANSMIT 5 HOST RTS 6 AUX T...

Page 53: ...CHANNEL SENSOR BOARD IR Channel Boards Summary Left IR board Transmitter receiver IR detector IR block Right IR board Transmitter receiver IR detector IR block I R Sensor Board J1 to either J3 or J9...

Page 54: ...c All rights reserved MS2020 Stratos Service Manual PCB SPECIFICATIONS Stratos IR Board Layout Stratos IR Connector Pin out J1 J1A Connector 1 IR RECEIVE 2 GROUND 3 5VDC 4 IR DRIVE IR Board Layout Top...

Page 55: ...zero not active for MS2021 2022 MANUFACTURE NOTE LED Display Board is set in place and secured using 3M Double Sided Tape Special Removal Instructions 1 Follow procedure to remove Vertical Hood Cover...

Page 56: ...figure to the right 2 With LED Button board facing in the topside up direction insert board flat and directly into cutout notches with buttons SW1 SW2 fully depresses again plastic UP DOWN controller...

Page 57: ...nual PCB SPECIFICATIONS Stratos LED Button Board Layout LED Button Board Connector Pin outs J1 J1A Connector 1 GROUND 2 SCALE ZERO 3 VOLUME 4 WHITE LEDS 5 BLUE LEDS 6 12VDC J2 Connector 1 12VDC 2 GROU...

Page 58: ...ernal connector ports right side facing vertical window Feeds 5V 12V from power supply to Main Board Scale to host Remote display RJ 45 connection Scale data and remote display data feed through to sc...

Page 59: ...D 19 DISPLAY 0 20 DISPLAY 1 21 DISPLAY 2 22 DISPLAY 3 23 LATCH 24 SCALE ZERO J5 26 pin ZIF 1 12VDC 2 12VDC 3 12VDC 4 12VDC TO SP 5 12VDC TO SP 6 5VDC 7 5VDC 8 5VDC 9 5VDC 10 GROUND 11 GROUND 12 GROUND...

Page 60: ...face Connector Board Summary Houses external connector ports left side facing vertical window 3 RJ 45 ports RS232 or IBM 46xx data communication to host POS IBM USB or OCIA data communication to host...

Page 61: ...17 GROUND 18 AUX CLEAR TO SEND 19 AUX TRANSMIT 20 HOST READY TO SEND 21 HOST TRANSMIT 22 5VDC 23 5VDC 24 5VDC J1 10 Pin Modular Jack VERTICAL 1 GROUND 2 TRANSMIT 3 RECEIVE 4 READY TO SEND 5 CLEAR TO...

Page 62: ...eserved MS2020 Stratos Service Manual PCB SPECIFICATIONS FAILURE DISPLAY INDICATOR BOARD Failure Display Board Summary StratosSTATS Visual Diagnostic Indicator 2 digit code Feed through data to and fr...

Page 63: ...NAL 4 13 SIGNAL 3 14 SIGNAL 2 15 SIGNAL 1 16 5VDC IN 17 5VDC IN 18 CTS 19 RTS 20 RECEIVE SIGNAL 21 TRANSMIT SIGNAL 22 GROUND 23 12VDC IN 24 SCALE STATUS J4 10 PIN Modular Jack TO Scale Data 1 12VDC OU...

Page 64: ...S2020 Stratos Service Manual PCB SPECIFICATIONS HORIZONTAL CONNECTOR BOARD Horizontal Engine Connector Board Summary Blind mate connector Facilitates easy removal StratosSWAP concept Horizontal Connec...

Page 65: ...AN2 5 GROUND 6 MOTOR2 ENABLE 7 MOTOR2 STATUS 8 VLD2 ENABLE 9 VLD2 STATUS 10 VLD3 STATUS 11 VLD3 ENABLE 12 12VDC 13 12VDC 14 12VDC 15 12VDC 16 GROUND 17 GROUND 18 GROUND 19 5VDC 20 5VDC 21 5VDC 22 5VDC...

Page 66: ...SCALE FAIL 10 SCALE ZERO J2 6 pin Connector 1 V_UN 2 GROUND 3 Y 4 Z RX 5 A DE 6 B TX J3 TO Serial Connector 0 RS232 PORT 1 V_UNREGULATED 2 GROUND 3 V_DIGITAL 4 POWER ON 5 TRANSMIT HOST 6 RECEIVE HOST...

Page 67: ...ter Board Connector Pin outs J2 12 PIN Connector Vertical Receptacle 1 5VDC 2 GROUND 3 INT SEL1 4 INT SEL2 5 INT SEL0 6 SWR 7 RDATA 8 CLOCK IN 9 CLOCK OUT 10 SDATA 11 RESET 12 ENABLE J3 12 PIN Connect...

Page 68: ...ed MS2020 Stratos Service Manual PCB SPECIFICATIONS STRATOS PREAMPLIFIER LAYOUT Preamplifier Connector Pin out J2 J1 4 PIN Connector 1 12VDC IN 2 12VDC IN 3 GROUND 4 ANALOG SIGNAL Preamplifier Board T...

Page 69: ...004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual PCB SPECIFICATIONS STRATOS VERTICAL ENGINE BOARD LAYOUT Vertical Engine Bottom Side Layout Vertical Engine Top Side Lay...

Page 70: ...OUND 5 GROUND 6 MOTOR1 ENABLE 7 MOTOR1 SENSE 8 VLD1 ENABLE 9 VLD STATUS 10 GROUND 11 5VDC 12 5VDC 13 GROUND 14 12VDC 15 12VDC 16 12VDC 17 12VDC 18 GROUND 19 GROUND 20 GROUND 21 12VDC TO MOTOR 22 12VDC...

Page 71: ...C A software driver and correct configuration settings are also required for proper communication to occur Caution To maintain compliance with applicable standards all circuits connected to the scanne...

Page 72: ...unications Mode 1 With only Stratos Scanner Power on and Host device Power off scan Recall Defaults barcode 2 After scanner defaults is settings and beeps then scan Enable RS 232 mode This will place...

Page 73: ...ration Initializing Scanner into Full Speed USB mode 1 With only Stratos Scanner Power on and Host device Power off 2 Scan Enable Full Speed USB Defaults barcode below This will place the Stratos Scan...

Page 74: ...ion Initializing Scanner into Low Speed USB With MX009 mode 1 With only Stratos Scanner Power on and Host device Power off scan Enable Low Speed USB Defaults barcode 2 Once Stratos Scanner defaults sc...

Page 75: ...BM 46xx mode 1 With only Stratos Scanner Power on and Host device Power off 2 Scan Load 46xx IBM Defaults barcode below This will set up internally with software the proper settings for 46xx IBM Mode...

Page 76: ...A mode 1 With only Stratos Scanner Power on and Host device Power off 2 Scan Load OCIA Defaults barcode below This will set up internally with software the proper settings for OCIA system configuratio...

Page 77: ...urn Host device Power off 2 Scan Enable Aux Port barcode to the right 3 Scan the following bar codes in order to configure the secondary scanner to match the auxiliary port s data format 1st Enable AU...

Page 78: ...defaults This bar code activates the scale in 4 digit weigh mode xx yy lbs sets the scale to English mode and sets display required English Scale Defaults 9 9 9 9 6 2 5 Digit Weight 1 4 1 0 1 0 When i...

Page 79: ...Bank Settings MS2020 SW1 SW2 switches 1 and 6 set to ON MS2021 SW1 SW2 switches 1 and 6 set to ON MS2022 SW1 SW2 switches 1 and 6 set to ON All models have a connector marked EAS In on the bottom of t...

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Page 81: ...number of the scanner DC Power Pin Function 1 12VDC 2 Ground 3 5VDC EAS Pin Function 1 EAS In 2 EAS Out Scale RS232 Port for Scale Data Scale Manufacture Specific Pin Function Pin Function 1 Ground 1...

Page 82: ...5 RS232 CTS 6 RS232 DTR 6 RS232 DTR 7 IBM B 7 IBM B 8 IBM A RS232 DSR 8 IBM A RS232 DSR 9 NC 9 NC 10 NC 10 NC USB or OCIA Auxiliary Port RS232 IN Only Pin Function Pin Function 1 Ground 1 Ground 2 OC...

Page 83: ...ut 4 DTR Input 5 Power Signal Ground 6 Reserved 7 CTS Input 8 RTS Output 9 5VDC RS232 LSO AUX Cable MLPN 54 54667 Pin Function 1 Ground 2 RS232 Transmit Output 3 RS232 Receive Input 4 RTS Output 5 CTS...

Page 84: ...hts reserved MS2020 Stratos Service Manual SERVICING DIAGRAMS PARTS PINOUTS CAUTION AND SERIAL NUMBER LABELS MS2022 Label Locations Top and Examples Bottom On MS2021 14 Model On MS2021 11 Model On MS2...

Page 85: ...es RSS 14 RSS Expanded and RSS 14 Limited System Interfaces RS232 Aux RS232 IBM468x 469x USB low speed and full speed OCIA Print Contrast 35 minimum reflectance difference No Characters Read up to 80...

Page 86: ...Power 14 25 Watts Standby Power 3 25 Watts Operating Current 1 A 5V 75 A 12V Standby Current 44 A 5V 08 A 12V DC Transformers Class II 5VDC 1 5 A 12 VDC 1 5 A Laser Class 1 IEC 60825 1 1993 A1 1997 A...

Page 87: ...se Models Metrologic s Stratos Series is available in three base models BASE MODEL NO DESCRIPTION MS2020 xx Scanner with integrated scale full size MS2021 xx Scanner only full size MS2022 xx Scanner o...

Page 88: ...short strain relief xxx specifies connection to the host Contact a customer service representative for additional information MVC Metrologic Voltage Converter Cable 12VDC to 5VDC or 12VDC to 5 2VDC Co...

Page 89: ...TION BASE KIT COMPONENTS AND OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES Part Description AC to DC Power Transformer Regulated 5V 1 5 A 12V 1 5 A 46 46812 120V United States 46 46813 220V 240V Continent...

Page 90: ...pgrade 2022 2020 Diamonex 46 46816 Remote Scale Display 46 46817 Power Supply China 46 46819 Scale Upgrade 2021 2020 Diamonex 46 46928 Power Supply Australia 46 46868 MotherBoard 37 37780 46 46877 IBM...

Page 91: ...re environment Adequate spacing between the unit and the check stand opening is required for proper operation of the scale When the scanner scale model is mounted properly the scale platter should be...

Page 92: ...or and scan packages The Stratos can scan a bar code on all 6 sides of a package The packages should flow into the scan area that provides the maximum reading performance No lifting or orientation of...

Page 93: ...optics engine are simply Plug N Play StratosSCOPETM An LED indicator that provides a 2 digit code that signifies and references a condition within the scanner This feature allows an operator to easily...

Page 94: ...standards are introduced improvements are made to scanner or new features are added Flash ROM gives the end user the flexibility and peace of mind knowing that the scanner can be upgraded without the...

Page 95: ...without charge for service or return freight whether distributor dealer reseller or retail consumer or refund an amount equal to the original purchase price This limited warranty does not extend to an...

Page 96: ...9 Rue de la Belle Etoile Fax 33 0 1 48 63 24 94 ZI Paris Nord II BP 50057 Email info fr metrologic com 95947 ROISSY CDG CEDEX United Kingdom Metrologic Instruments UK Limited Tel 44 0 1256 365900 58 T...

Page 97: ...1 5 468 949 5 468 951 5 479 000 5 484 992 5 525 789 5 528 024 5 532 469 5 545 889 5 557 093 5 570 093 5 591 953 5 616 908 5 627 359 5 637 852 5 661 292 5 767 501 5 777 315 5 789 730 5 789 731 5 796 09...

Page 98: ...f field 14 77 design specifications 77 78 dimensions 83 display 20 21 22 E EAS 73 electrical 78 83 87 enviromental 78 error codes 20 21 22 F failure error codes 20 22 indicator 17 modes 17 19 frame 5...

Page 99: ...2 25 27 75 77 S scale 78 83 scan lines 77 scan pattern 77 scan speed 77 scan zone 14 scanner interface 79 pinouts 73 75 SELV 63 specifications 77 78 storage 78 switch 71 symbol 7 T test 9 27 tone 17 7...

Page 100: ...92 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual NOTES...

Page 101: ...93 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual Notes...

Page 102: ...94 2004 Metrologic Instruments Inc All rights reserved MS2020 Stratos Service Manual Notes...

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