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Chattanooga Vectra PRO2c Service Manual
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Chattanooga Vectra PRO2c Service Manual

Chattanooga Vectra PRO2c Service Manual

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S S E E R R V V I I C C E E
M M A A N N U U A A L L
Models:
PRO2c
(Serial Numbers- 1000 and above)
PRO4c
(Serial Numbers- 1000 and above)
ISO 9001 CERTIFIED

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Summary of Contents for Chattanooga Vectra PRO2c

  • Page 1 S S E E R R V V I I C C E E M M A A N N U U A A L L Models: PRO2c (Serial Numbers- 1000 and above) PRO4c (Serial Numbers- 1000 and above) ISO 9001 CERTIFIED...

  • Page 3: Table Of Contents

    5.20 Combo Operation Test ......23 © 2001 Chattanooga Group, Inc., Chattanooga, Tennessee, USA. Any use of editorial, pictorial or layout composition of this publication without express written consent from Chattanooga Group, Inc.

  • Page 5: Foreword

    It is the sole responsibility for field technicians to stay informed and trained in the latest technology utilized in the Vectra Pro units by Chattanooga Group, Inc. From time to time, as significant improvements are incorporated, Service Bulletins will be produced and made available on our web site (www.chattgroup.com) in lieu of reprinting a complete manual prematurely.

  • Page 6: 1- Safety Precautions

    WARNING • DO NOT operate the Vectra Pro when connected to any unit other than Chattanooga Group, Inc. devices. Do not operate the unit in an environment Text with a “WARNING” indicator will explain of short-wave diathermy use.

  • Page 7: 2- Theory Of Operation

    2- THEORY of OPERATION Vectra™ Pro 2.1 Overview The Vectra series electrotherapy products are comprised of several PC board assemblies housed within a common enclosure. These assemblies each support a distinct function in the product. The basic elements are User Interface, Control Board, Stim Generation Board, Ultrasound Board, Ultrasound Applicator, and Power Supply Circuits.

  • Page 8: Stim Generation Board

    By storing the calibration data in the applicator there is no calibration necessary for the ultrasound board and any calibrated Chattanooga Group, Inc. compatible applicator can be attached and operated to provide accurate output.

  • Page 9: 3- Nomenclature

    3- NOMENCLATURE Vectra™ Pro 3.1 Vectra PRO Physical Specifications The nomenclature graphics below, Figure 3.1, indicates Know the components and their functions before the general locations of the exterior components of the performing any operation of or service to the Vectra Pro2 Vectra Pro.

  • Page 10: 4- Specifications

    4- SPECIFICATIONS Vectra™ Pro 4.1 Vectra PRO Physical Specifications A. Dimensions C. Output Types 1. 16” (406.4mm) Wide 1. Interferential (Quad-Polar) 21.5” (546.1mm) Deep 2. Premodulated (Bi Polar) 8” (203.2mm) High 3. Russian 2. 13.0 lbs (5.9kg) Less Accessories 4. VMS (Symmetrical Biphasic) 3.

  • Page 11: Vectra Pro Ultrasound Output Parameters

    4- SPECIFICATIONS Vectra™ Pro 4.3 Vectra PRO Ultrasound Output Parameters FREQUENCY 1.0MHz, ±5% 3.3Mhz, ±5% ULTRASOUND OUTPUT POWER 10cm Crystal 0-20W @ 1.0MHz 0-10W @ 3.3MHz Crystal 0-10W @ 1.0MHz and 3.3MHz Crystal 0-4W @ 1.0MHz and 3.3MHz TEMPORAL PEAK TO AVERAGE RATIO 2:1, ±20% , 50% Duty Cycle 5:1, ±20% , 50% Duty Cycle BEAM NONUNIFORMITY RATIO...

  • Page 12: 5- Troubleshooting

    Vectra Pro Units to “Board Level” only. isolate and confirm “Bad Board” before arbitrary No component level troubleshooting information is replacement of the suspected board. or will be provided by Chattanooga Group, Inc. for field troubleshooting of board components. ERROR MESSAGE DESCRIPTION...
  • Page 13 5- TROUBLESHOOTING Vectra™ Pro 5.1 Vectra PRO Software Error Messages (Continued) ERROR MESSAGE DESCRIPTION PROBABLE CAUSE POSSIBLE REMEDY "Error: Touchscreen Driver There is a problem with the 1) Control board touchscreen 1) Replace Control board. Unknown or Not Installed!" touchscreen driver. chip bad or parallel inter- face to chip bad.

  • Page 14: Vectra Pro System Testing

    Power Meter. recommended nor will information or parts 11. Degassed Water (<5ppm) for Ultrasound be supplied by Chattanooga Group, Inc. Any Power Meter. board component level troubleshooting performed will be at sole risk and liability of...

  • Page 15: Visual Inspection

    5- TROUBLESHOOTING Vectra™ Pro 5.3 Visual Inspection A. General Visually inspect the Vectra unit. A visual inspection can, to an experienced Technician, indicate possible POWER CORD abuse of the unit and/or internal problems. PLUGGED INTO UNIT 5.4 Ground Resistance Test A.

  • Page 16: Unit Startup And Fan Testing

    5- TROUBLESHOOTING Vectra™ Pro 5.6 Unit Startup and Fan Testing A. Equipment Required 650 OHM LOAD INSTALLED 1. 650 Ohm Load for Outputs INTO CHANNELS 1 & 2 B. Test 1. Place unit face up on work surface. 2. Install 650 ohm load into patient lead DIN connector (Channel 1 &...

  • Page 17: Stimulator Tests

    5- TROUBLESHOOTING Vectra™ Pro 5.7 Stimulator Tests The following tests for Stimulator Outputs will be performed 650 OHM LOAD INSTALLED on Channels 1 and 2 (Vectra Pro2 and Pro4). INTO CHANNELS 1 & 2 The requirements to perform these same tests on Channels 3 and 4 (Vectra Pro4 only) will be explained at the end of this section.

  • Page 18: Interferential Mode Test

    5- TROUBLESHOOTING Vectra™ Pro 5.9 Interferential Mode Test It is assumed that the unit is ready for tests as described in 5.7 parts A and B. If not, Set up Unit per 5.7 parts A and B prior to PROPER “Interferential” WAVE FORM performing tests.

  • Page 19: Russian Mode Test

    5- TROUBLESHOOTING Vectra™ Pro 5.11 Russian Mode Test It is assumed that the unit is ready for tests as described in 5.7 parts A and B. If not, Set up Unit per 5.7 parts A and B prior to INSTALL PATIENT performing tests.

  • Page 20: Microcurrent Mode Test

    5- TROUBLESHOOTING Vectra™ Pro 5.12 MicroCurrent Mode Test It is assumed that the unit is ready for tests as described in 5.7 parts A and B. If not, Set up Unit per 5.7 parts A and B prior to performing tests. A 10k Load is required for this Test. See Figure 5.11.

  • Page 21: Microcurrent Probe Mode Test

    5- TROUBLESHOOTING Vectra™ Pro 5.13 MicroCurrent Probe Mode Test CHANNEL 1 & 2 LEAD WIRES INTO NOTE: CHANNELS 1 & 2 DIN It is assumed that the unit is ready for tests as described in 5.7 parts A and B. If not, Set up Unit per 5.7 parts A and B prior to performing tests.

  • Page 22: High Volt Mode Test

    5- TROUBLESHOOTING Vectra™ Pro 5.14 High Volt Mode Test PROPER POSITIVE High Volt WAVE FORM NOTE: It is assumed that the unit is ready for tests as described in 5.7 parts A and B. If not, Set up Unit per 5.7 parts A and B prior to performing tests.

  • Page 23: Chime" Test

    5- TROUBLESHOOTING Vectra™ Pro 5.15 “Chime” Test A. “Chime” Test Procedures 1. Press “Clinical Protocols”. 2. Press “Elbow” 3. Press “Pain Management”. 4. Press “Chronic”. 5. Press “2 Electrode”. 6. Press green “down” arrow in “Time” icon until “1 min.” is displayed in red in “Time”...

  • Page 24: Ultrasound Tests

    5- TROUBLESHOOTING Vectra™ Pro 5.16 Ultrasound Tests A. Equipment Required 1. Degassed Water. Refer to page 10 for Degassed Water Recipes. 2. Ohmic Instruments UPM DT 10 Ultrasound Power Meter. 3. Dissolved Oxygen Test Kit. Used to test oxygen level of degassed water 5.17 Ultrasound Applicator Identification Test NOTE: Use any Vectra Pro Ultrasound Applicator for this test.

  • Page 25: Ultrasound Applicator Output Test

    5- TROUBLESHOOTING Vectra™ Pro 5.18 Ultrasound Applicator Output Test Perform this test using all available Applicators for the unit being tested. A. Ultrasound Applicator Output Test Procedures 1. Set up Ohmic Instruments UPM DT 10 Ultrasound Power Meter per Operator’s Instructions and fill test reservoir with Degassed Water.

  • Page 26: Ultrasound Duty Cycle Test

    5- TROUBLESHOOTING Vectra™ Pro 5.19 Ultrasound Duty Cycle Test This test is performed using only the 5cm Applicator. A. Ultrasound Duty Cycle Test Procedures 1. Set up Ohmic Instruments UPM DT 10 Ultrasound Power Meter per Operator’s Instructions and fill test reservoir with Degassed Water.

  • Page 27: Combo Operation Test

    5- TROUBLESHOOTING Vectra™ Pro 5.20 Combo Operation Test 5CM 2 APPLICATOR This test is performed using the 5cm Applicator. INSTALLED INTO NOTE: ULTRASOUND PORT Set up Unit per 5.7 parts A and B prior to performing tests. Also connect 5cm Applicator to the ultrasound output port.See Figure 5.28.

  • Page 28: Screen Contrast Test

    5- TROUBLESHOOTING Vectra™ Pro 5.21 Screen Contrast Test A. Screen Contrast Test Procedures 1. With unit on, press and hold the left side of the Brightness/Contrast Button. See Figure 5.31. Screen should dim. 2. Press and hold right side of the Brightness/Contrast Button.

  • Page 29: Default Setup Test

    5- TROUBLESHOOTING Vectra™ Pro 5.23 Default Setup Test A. Default Setup Test Procedures 1. Press “Utilities” icon in the top section of the screen. UTILITIES See Figure 5.34. ICON 2. Press “Clinic Name” icon. 3. Type “9876” using the pop up key pad and press “Enter”.

  • Page 30: Stim Board Main Power Supply Circuit Test

    5- TROUBLESHOOTING Vectra™ Pro 5.25 Stim Board Main Power Supply Circuit Test The following tests apply to Stim Boards 1 and 2. B. Power Supply Voltage Test NOTE: 1. Using a Digital Multimeter, check the voltage at #1 of D20. See Section 6 for Removal &...

  • Page 31: Stim Board Microcurrent Circuit Test

    5- TROUBLESHOOTING Vectra™ Pro 5.26 Stim Board Microcurrent Circuit Test The following tests apply to Stim Boards 1 and 2. NOTE: A. Microcurrent Output Test See Section 6 for Removal & Replacement procedures. 1. Set Scope; a) Time- 250ns, Channel- 2.0V, Trigger- DC b) Reference Scope to DC Ground.

  • Page 32: Stim Board High Volt Circuit Test

    5- TROUBLESHOOTING Vectra™ Pro 5.27 Stim Board High Volt Circuit Test The following tests apply to Stim Boards 1 and 2. CONNECTOR A. High Volt Voltage Test 1. Using a Digital Multimeter, check the voltage at D37 Cathode. See “A” on schematic. a) Voltage Specification: 10.17VDC.
  • Page 33 5- TROUBLESHOOTING Vectra™ Pro +12V PEAK DETECTOR ZC5800E HV I HV I LF453CM 1.0K ADJUSTABLE 11 VOLT SUPPLY SO-8 0.01uF LF453CM SO-8 10uF/50V DC IN ZC5800E DC IN -12V 220uF/25V 1N4754A 18pF 10.0K +12V -12V 1N5819 CTX50-4 1N5819 SOT-23 2200uF/16V 0.1uF 0.1uF 6.8K...

  • Page 34: Stim Board Channels 1 And 3 Tests

    5- TROUBLESHOOTING Vectra™ Pro 5.28 Stim Board Channels 1 and 3 Tests The following tests apply to Stim Board 1, Channel 1 and Stim Board B. Channel 1 and Channel 3 Output Test 2, Channel 3. Unit at Interferential with no output power. 1.

  • Page 35: Stim Board Channels 2 And 4 Tests

    5- TROUBLESHOOTING Vectra™ Pro 5.29 Stim Board Channels 2 and 4 Tests The following tests apply to Stim Board 1, Channel 2 and Stim Board B. Channel 2 and Channel 4 Output Test 2, Channel 4. Unit at Interferential with no output power. 1.

  • Page 36: Ultrasound Board Generator Circuit Test

    5- TROUBLESHOOTING Vectra™ Pro 5.30 Ultrasound Board Generator Circuit Test A. Power Connector Voltage Test 1. Using a Digital Multimeter, check the voltage at pins 1 and 4. See “A” on schematic. a) Voltage Specification: 8VDC to 15VDC. 2. Low or no voltage indicates bad wiring harness or bad Power Distribution Board.
  • Page 37 5- TROUBLESHOOTING Vectra™ Pro BATTERY +5V, +/-12V SUPPLY MTG1 MTG2 MTG3 MTG4 2.49K TESTPOINT TRANSFORMER PARAMETERS: ACTUAL CIRCUIT CURRENT DRAW: PRI IND:25uH MTGHOLE MTGHOLE MTGHOLE MTGHOLE 1:.833 (PRI:SEC) (+12) VCC=+5V : 200mA 15.4K 1:.833 (PRI:SEC) (-12) +12V : 100mA FID3 FID1 FID2 1:.367 (PRI:SEC) (+5)

  • Page 38: Ultrasound Board Amplifier Circuit Tests

    5- TROUBLESHOOTING Vectra™ Pro 5.31 Ultrasound Board Amplifier Circuit Tests A. Pulse Output Generation Test 1. Set Scope; a) Time- 500ns, Channel- 2.0V, Trigger- DC b) Reference Scope to DC Ground. 2. Check pins 5 and 7 of U15 (see “A” on schematic) for presence of square wave.
  • Page 39 5- TROUBLESHOOTING Vectra™ Pro +12V SOUNDHEAD CONNECTOR 78M08 0.1uF +35VADJ 33uH/1812 RCA JACK 0.1uF CLASS-D 0.33uF/35V 0.1uF POWER AMP FERRITE 0.1uF 0.1uF 0.1uF 0.1uF 1 MHZ FILTER 1 : 50 CENTER IRF510 INNER BRAID MOSFET DRIVER Isolated Tab 100uF/25V OUTER BRAID 1.0M 11.5uH/2A 2200pF/500V...

  • Page 40: Power Distribution Board Tests

    5- TROUBLESHOOTING Vectra™ Pro 5.32 Power Distribution Board Tests A. Input Voltage Test 1. Set Multimeter to read 12 VDC 2. Check voltage on JP1 at pins 1, 3, 4 and 5. Voltage should be 12VDC. See “A” on schematic below. 3.

  • Page 42: General

    6- REMOVAL & REPLACEMENT Vectra™ Pro 6.1 General MAINS CONNECTOR WARNING OPEN FUSE HOUSING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES PREVENT ELECTRICAL SHOCK. A. Tools & Equipment Required 1. #2 Phillips Screwdriver 2. #1 Phillips Screwdriver 3.

  • Page 43: Zip Drive Removal & Replacement

    6- REMOVAL & REPLACEMENT Vectra™ Pro 6.4 Zip Drive Removal & Replacement REMOVE HARNESS AND RIBBON CABLE WARNING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES PREVENT ELECTRICAL SHOCK. A. Zip Drive Removal 1. Separate Top from Bottom. Refer to 6.3, part A. 2.

  • Page 44: Power Distribution Board

    6- REMOVAL & REPLACEMENT Vectra™ Pro 6.5 Fan Removal & Replacement POWER DISTRIBUTION BOARD WARNING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES TO PREVENT ELECTRICAL SHOCK. A. Fan Removal DISCONNECT 1. Separate Top from Bottom. Refer to 6.3, part A. FAN HARNESS 2.
  • Page 45 6- REMOVAL & REPLACEMENT Vectra™ Pro 6.6 Control Board Removal & Replacement WARNING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES TO PREVENT ELECTRICAL SHOCK. A. Control Board Removal 1. Separate Top from Bottom. Refer to 6.3, part A. 2.

  • Page 46: Stim Board #2 (Vectra Pro4) Removal & Replacement

    6- REMOVAL & REPLACEMENT Vectra™ Pro 6.7 Stim Board #2 (Vectra Pro4) Removal & Replacement WARNING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES TO PREVENT ELECTRICAL SHOCK. A. Stim Board #2 (Vectra Pro4) Removal 1. Separate Top from Bottom. Refer to 6.3, part A. 2.

  • Page 47: Ultrasound Board Removal & Replacement

    6- REMOVAL & REPLACEMENT Vectra™ Pro 6.8 Stim Board #1 (Vectra Pro2 & 4) Removal & Replacement WARNING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES TO PREVENT ELECTRICAL SHOCK. On the Vectra Pro4 it will be necessary to remove Stim Board #2 to gain access to Stim Board #1.

  • Page 48: Internal Speaker

    6- REMOVAL & REPLACEMENT Vectra™ Pro 6.9 Ultrasound Board Removal & Replacement WARNING UNPLUG THE UNIT FROM THE POWER SOURCE BEFORE ATTEMPTING REMOVAL REPLACEMENT PROCEDURES TO PREVENT ELECTRICAL SHOCK. REMOVE A. Ultrasound Board Removal INTERNAL SPEAKER 1. Separate Top from Bottom. Refer to 6.3, part A. 2.

  • Page 49: 7- Software Installation

    7.1 Vectra Pro2 and Pro4 System Software and Upgrades A. Tools & Equipment Required 1. Internet access to the World Wide Web to download software from the Chattanooga Group, Inc Website (www.vectrapro.com). 2. Zip Drive (Internal or External) to accept downloaded software for Vectra Pro units.

  • Page 50: Stim Board Software

    7- SOFTWARE INSTALLATION Vectra™ Pro 7.2 Stim Board Software The following instructions assume that the Stim Board(s) are already removed from the unit. If not, refer to 6.7 and/or 6.8 for the respective Stim Board. A. Tools Required 1. PLCC Extractor for installing stimulator board software.

  • Page 51: 8- Ultrasound Applicator Calibration

    System Software installed in order for calibration to function properly. NOTE: Software upgrades can be obtained from Chattanooga Group, Inc. Vectra Pro Website (www.vectrapro.com) or order Part SET METER Number 79604 and request version 1.12 or later to receive the TO WATTS software on Zip Disk.
  • Page 52 8- ULTRASOUND APPLICATOR CALIBRATION Vectra™ Pro 7. Rotate the “Intensity Control” clockwise until 4.0 is displayed on the Ohmic Instruments UPM DT 10 Ultrasound Power Meter. See Figure 8.3. 8. Press “Next Step” icon. 9. Press “Save Data”. NOTE: After pressing “Save Data” a window will appear stating “Saving calibration data to applicator...”.

  • Page 53: 9- Technical Maintenance

    Calibration and/or Troubleshooting. 3. Should it be necessary or desired to have the factory perform annual calibration and technical maintenance, contact the Chattanooga Group, Inc Service Department. 4. Should it become necessary to send the unit to the factory for repair after Troubleshooting has been...
  • Page 54 M M a a i i n n t t e e n n a a n n c c e e / / T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g T T e e s s t t D D a a t t a a S S h h e e e e t t Vectra Pro Model No.: Serial No.: Service Date:...
  • Page 55 Vectra™ Pro...
  • Page 56 Vectra™ Pro...
  • Page 57 M M e e a a s s u u r r e e m m e e n n t t I I n n s s t t r r u u m m e e n n t t s s Dynamometers, Goniometers, etc. ISO 9001 CERTIFIED 4717 Adams Road P.O. Box 489 Hixson, TN 37343 U.S.A. 1-423-870-2281 1-800-592-7329 U.S.A. 1-800-361-6661 CANADA + 1-423-870-2046 OUTSIDE U.S.A. FAX www.chattgroup.com Part Number: 79607A © 2001 Chattanooga Group, Inc.

This manual is also suitable for:

Vectra pro4c