Service Manual TR 210 Huntron Tracker 071-0113-00 - To-Way
Contents
1. 6 9 Main Board sca atukta cete ode cu ann Le atis ueste 6 9 Options Replaceable Electrical Parts Diagrams Replaceable Mechanical Parts TR 210 Service Manual Table of Contents List of Figures TR 210 Service Manual Figure 2 1 TR 210 rear panel 2 1 Figure 2 2 Connecting the TR 210 Huntron Tracker to an oscilloscope L sisi een ara ee 2 2 Figure 2 3 Front panel 2 3 Figure 2 4 Typical open circuit signature 2 5 Figure 2 5 Typical short circuit signature 2 5 Figure 3 1 TR 210 block diagram 3 1 Figure 4 1 Pulse types 4 10 Figure 5 1 TR 210 adjustment locations and test points 5 3 Figure 6 1 Accessing the line fuse and spare fuse 159 0414 00 6 6 Figure 6 2 Signal fuse 159 0312 00 6 6 Figure 6 3 Retainer 5 6 7 Figure 6 4 Line filter 6 8 Figure 10 1 TR 210 replaceable parts and accessories 10 1 Table of Contents List of Tables Table 1 1 Table 1 2 Table 1 3 Table 1 4 Table 2 1 Table 4 1 Table 5 1 Table 6 1 Table 6 2 Table 7 1 Electrical specifications 1 1 Mechanical specifications2. 1 2 Environmental specifications 1 2 Certifications and compliances 1 3 Front panel controls and connectors 2 3 Test equipment fixtures and supplies 4 1 Test equipment fixtures and supplies 5 1 Internal inspection checklist 6 3 Tools required for module removal 6 5 Power cord identification 7 1 TR 210 Service Manual A General Safety Summary To Avoid Fire or Personal Injury Symbols and Terms A A TR 210 Service Manual Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use Use Proper Voltage Setting Before applying power ensure that the line selector is in the proper position for the power source being used Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe
3. 3 2 Rear Panel Module 3 2 Performance Verification Equipment 4 1 Preparation z eui ein tte 4 2 Logic Section hose ee cbt e E E Eb RM RR A METSIEN 4 2 Signal Section ci ren CQ EATUR Ide ERU TO E CIE CERRO EH tres 4 4 Pulse Generator Section 4 8 Adjustment Procedures Equipment 5 1 Preparation 1 rb epe e E bet de dao be 5 1 Adjustment Procedure 5 3 TR 210 Service Manual i Table of Contents Maintenance Maintenance 2 AC I epp ieee 6 1 Preparation Ju isamaa a hosen ker 6 1 Inspection and Cleaning 6 2 Removal and Installation Procedures 6 5 Equipment 6 5 Tine JA cede Ate te cate RE E 6 6 Signal Fuse eL E ee ERR ADS ges 6 6 Front Panel Knobs 6 7 Top COVER nn a ee LER DER es 6 7 Tine Falter TERUEL 6 8 Rear Panel Assembly conceo ea 6 8 Front Panel Assembly 6 9 Front Panel Potentiometers and Elastomer
4. Figure 2 3 Front panel TR 210 Service Manual O n O WIDTH 16 13 12 11 Table 2 1 Front panel controls and connectors Name Function 1 Channel A test terminal Safety shrouded banana jack for the channel A test signal 2 G1 terminal Pulse generator output for channel A electrically 3 RATE control 4 Channel A button 5 SCAN button connected to G2 terminal Controls the speed of channel alternation or range scanning Selects channel A for display on the oscilloscope Initiates automatic scanning of the five ranges from LOW 1 to HIGH The RATE control determines the scanning speed 6 Range selector buttons Select one of the five ranges LOW 1 LOW 2 MED 1 MED 2 or HIGH Operation Table 2 1 Front panel controls and connectors Cont Name Function 7 NO HIGH button Prevents entering the HIGH range either manually or during scanning 8 LEVEL control Sets the pulse generator output amplitude 9 G2 terminal Pulse generator output for channel B electrically connected to G1 terminal 10 Channel terminal Safety shrouded banana jack for the channel B test signal 11 COM terminal Safety shrouded banana jack thatis the instrument common 12 WIDTH terminal Controls the pulse generator duty cycle 13 Pulse generator buttons Select the output modes for the pulse generator pulse pulse composite and pulse or DC level The
5. 3 Connect the Channel A and COM test terminals to the voltage inputs of the DMM with banana leads items 1 and 2 on page 5 1 Measure the sine wave voltage 4 Adjust R106 so that the RMS voltage reads between 7 070 and 7 072 Vrms TR 210 Service Manual 5 3 Adjustment Procedures 5 Connect the tracker under test to an oscilloscope item 3 using the 2 BNC cables item 4 a The Horizontal X output connects to the Channel 1 X input on the oscilloscope b The Vertical Y output connects to the Channel 2 Y input on the oscilloscope 6 Select the HIGH range and 2000 Hz settings 7 Make the following oscilloscope settings Mode Setting Time base 100 us div Channel 1 and 2 1 V div Trigger source Channel 1 XY mode On X and Y position Adjust open circuit trace to center graticule NOTE If a horizontal and a diagonal trace is displayed turn channel 1 off to eliminate the diagonal trace 8 Adjust the trim cap C123 to eliminate any split trace NOTE Some split trace is normal in all other ranges at 2000 Hz 5 4 210 Service Manual Maintenance This section contains the information needed to do periodic and corrective maintenance on the TR 210 Huntron Tracker Preparation Before servicing this product read the Safety Summary and Introduction at the front of the manual and the ESD information below instrument CAUTION Static discharge can damage any semicondu
6. Line Filter Remove the top cover Disconnect the wiring harness of the line fuse from the connector receptacle on the main board Disconnect the ground wire from the stud on the back chassis using 11 32 inch hex wrench Use a small flat blade screwdriver to press in the spring clips on the sides of the line filter as you pull the line filter out Spring clips Line filter Figure 6 4 Line filter Rear Panel Assembly 6 8 Remove the top cover Disconnect the rear panel wiring harnesses and from the main circuit board Disconnect the ground wire on the main board from the stud on the back chassis using 35 inch hex wrench Unscrew the main circuit board from the bottom cover with a 1 Pozidrive screwdriver To protect the line frequency switch and remote control socket keep the rear of the main board and the rear panel assembly together lifting the back of the main board only far enough to remove the rear panel assembly Remove and replace the rear panel assembly Reinstall the main circuit board and rear panel assembly in the bottom cover and tighten the screws so they are just snug about 2 inch lbs Do not overtighten TR 210 Service Manual Removal and Installation Procedures Front Panel Assembly gt a rm Remove the top cover Disconnect the ribbon cable from the front panel circuit board Disconnect the 4 wire and 2 wire harnesses from the main board Use a 1 Pozidrive screwdriver t
7. RMS FAST BLOW PERIEC125 57705 02 0023 7 311 2555 00 1 RES VAR CONTROL POT 50K 0 5W 5 8 X 1 8 SHAFT 57705 02 1056 8 311 2556 00 1 RES VAR LIN CONTROL POT 1M 0 5W 5 8 X 1 8 57705 02 1057 SHAFT 9 671 4458 00 1 CIRCUIT BD ASSY MAIN HUNTRON PN 06 3106 57105 06 3106 10 342 1040 00 1 INSULATOR PCB NOMEX MAIN BD 57705 01 1242 11 211 0963 00 12 SCREW W O WASHER MAIN ECB 57705 07 3205 12 174 3944 00 1 CABLE ASSY FLAT MAIN TO FRONT 57105 06 4142 13 644 0922 00 1 PANEL ASSY FRONT INPUT 57705 06 2134 J ACKS WIRING amp CONNECTORS ELASTOMERIC KEY PAD PCB CONTROL BD W POTS CABLE ASSY FLAT Includes Figures 13 15 amp 16 14 366 0801 00 3 KNOB GREY W O INDEX FRONT PANEL 57705 07 2142 15 260 2707 00 1 SWITCH ELASTOMERIC KEY PAD 57705 01 1243 16 671 4457 00 1 CIRCUIT BD ASSY PCA CONTROL 57105 06 3105 17 211 0962 00 6 SCREW ECB PCA CNTL 4 40 X 1 4 PH PHI 57705 07 3050 W WASHER 18 311 2557 00 1 RES VAR CCW AUD CONTROL POT 1M 57705 02 1058 OHM 0 5W 5 8 X 1 8 SHAFT 19 ATL25 1 TRACKER PROBES 1EA RED AND BLACK 57705 ATL25 20 2 Black ground leads 57705 98 0043 21 0 2 Blue Clip Leads 57705 98 0036 161 0230 01 1 CABLE ASSY PWR 3 18 AWG 92 L SVT TAN 60DEG gt lt 2W733 ORDER BY C MC 6 3C G X RTANG BME 10A 125V DESCRIPTION 071 0113 00 1 MANUAL TECH SERVICE TR210 80009 071 0113 00 071 0114 00 1 MANUAL TECH USER ENGLISH TR210 80009 071 0114 00 10 2 TR 210 Service Manual Replaceable Mechanical Parts Ma
8. inputs of an oscilloscope TR 210 Service Manual 3 1 Theory of Operation A line selector switch changes the winding ratio of power transformer The power supply circuitry rectifies and filters the transformer output to and 15 VDC Line Filter Module The line filter module contains the AC input socket power switch and line fuse The line filter connects to the main board with a 3 wide socket Rear Panel Module The rear panel module contains the rear panel X and Y BNC connectors signal fuse and line filter module 3 2 TR 210 Service Manual j s OWi Performance Verification Equipment Required The performance verification procedures in this section verify the basic operation of the TR 210 Huntron Tracker Because all specifications are either typical or guaranteed nominal no measurement tolerances are given The equipment listed in Table 4 1 is required to verify the performance of the the TR 210 Huntron Tracker Table 4 1 Test equipment fixtures and supplies Item number and description 1 Multimeter with test leads Minimum requirements AC volts AC current 50 Hz to 2 kHz frequency Example Tektronix DMM 916 Purpose Measure tracker output voltage frequency and current 2 1 pairshroudedred As per description Tektronix ATL21 Connect DMM to tracker test and black banana leads terminals and short tracker test male to male terminals 3 Oscilloscope w
9. tek com For product support outside of North America contact your local Tektronix distributor or sales office Contact your local Tektronix distributor or sales office Or visit our web site for a listing of worldwide service locations http www tek com In North America 1 800 TEK WIDE 1 800 835 9433 An operator will direct your call Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 Preface X TR 210 Service Manual Specifications This chapter contains the specifications for the TR 210 Huntron Tracker All specifications are guaranteed unless noted as typical Typical specifications are provided for your convenience but are not guaranteed Electrical Specifications Table 1 1 lists the electrical specifications for the TR 210 Huntron Tracker Table 1 1 Electrical specifications Test Signal Signal Type Sine wave Ranges Open Circuit Voltage typical Source Resistance Rg typical HIGH 60 Vox 74 kQ MED 2 20 Vox 21 6 kQ MED 1 15 V pk 1 24 kO LOW 2 10 Vo 54Q LOW 1 3 Vok 10 kQ Frequency 50 60 Hz switch selectable 200 Hz or 2 kHz Channels 2 Display Modes B or ALT Signal Fuse overload protection 5 mm x 20 mm F250 mA 250 V IEC 127 2 Il type GDB user replaceable Overvoltage Category CAT Pulse Generator Outputs 2 Level Range typical 0Vto 5V DC Mode DC level Pulse Mode or composite Frequency Matches selected test signal frequency Wid
10. PULSE DC button lights steadily when the pulse generator output is DC The PULSE DC button flashes when the pulse generator output is a pulse 14 Frequency buttons Selectthe test signal frequency 50 60 Hz depends on rear panel switch setting 200 Hz or 2 kHz 15 ALT button Causes channel A and channel B to alternate in the oscilloscope display 16 ChannelB button Selects channel B for display on the oscilloscope Operational Check Procedure The following procedure verifies that the TR 210 and the oscilloscope are set up and connected correctly 1 Connect the TR 210 and oscilloscope together and set up the oscilloscope as described in Oscilloscope Connection on page 2 2 Power on both instru ments 2 Verify that a horizontal line is displayed on the oscilloscope screen similar to that shown in Figure 2 4 This is the open circuit signature 3 Fine tune the oscilloscope vertical position controls to center the signature waveform The channel 1 vertical position control affects the horizontal position of the signature The channel 2 vertical position control affects the vertical position of the signature 2 4 TR 210 Service Manual Operation Tek Run 20kS s Sample Figure 2 4 Typical open circuit signature 4 On the TR 210 short the channel A test terminal to the COM test terminal 5 Verify that a vertical line is now displayed on the oscilloscope screen similar to that show
11. and performance Immediately repair defects that could cause personal injury or lead to further damage to the instrument To clean the instrument exterior do the following steps 1 Remove loose dust on the outside of the instrument with a lint free cloth 2 Remove remaining dirt with a lint free cloth dampened in a general purpose detergent and water solution Do not use abrasive cleaners CAUTION To prevent getting moisture inside the instrument during external cleaning use only enough liquid to dampen the cloth or applicator To access the inside of the instrument for inspection and repair refer to the Removal and Installation Procedures in this section No periodic cleaning of internal components is necessary Cleaning of internal components should only be necessary after repair There is no periodic lubrica tion required for this instrument CAUTION Avoid the use of chemical cleaning agents which might damage the plastics used in this instrument For interior components use a 75 isopropyl alcohol solution as a cleaner and rinse with deionized water Before using any other type of cleaner consult your Tektronix Service Center or representative Inspect the internal portions of the instrument for damage using Table 6 1 as a guide Defects found should be repaired immediately TR 210 Service Manual Maintenance TR 210 Service Manual Table 6 1 Internal inspection check list Item Circuit boards Insp
12. lights when the button is pressed and that it stays on until another frequency button is pressed 2 Check the ALT mode a Pressthe ALT button Check that the ALT LED lights and the Channel A and Channel B LEDs alternate b Verify that the alternation rate increases with clockwise rotation of the RATE control and decreases with counterclockwise rotation of the RATE control Return the RATE control to midrange c Press the Channel A button The ALT LED should go off and the Channel A LED should stay on d Press the ALT button again and then press the Channel B button to make sure it also cancels the ALT function 4 2 TR 210 Service Manual Performance Verification TR 210 Service Manual Check the SCAN mode a Press the SCAN button The SCAN LED should light and the tracker should scan through the ranges as follows LOW1 LOW2 MED1 MED2 HIGH back to LOWI and repeat Verify that the scanning rate increases with clockwise rotation of the RATE control and decreases with counterclockwise rotation of the RATE control Return the RATE control to midrange Press the LOWI button This should cancel the SCAN function and set the tracker to the LOWI range Repeat this procedure for the other 4 ranges i e select SCAN then select a range Check the HIGH lock features d e Press the HIGH range button The HIGH range LED should be on Press the HIGH lock button The HIGH lock LED should be on and the HIGH r
13. output to the DMM voltage input with a coax cable and female BNC to banana adapter items 4 and 6 5 Short the Channel A to COM terminals with a banana lead and measure the following voltages for each tracker range listed Measured voltage Y DMM range Tracker range short circuit typical 20 VAC HIGH 2 1 VACrms 20 VAC MED2 2 1 VACrms 20 VAC MED1 2 1 VACrms 20 VAC LOW2 2 1 VACrms 20 VAC LOW1 2 1 VACrms 6 Select Channel B short the Channel B to COM terminals and repeat the test 7 Disconnect the banana lead coax and BNC adapter Test Terminal Frequency Check the frequency of the test terminal signal 1 Set the 60 50 Hz switch on the back of the tracker to 60 Hz 4 6 TR 210 Service Manual Performance Verification Test Terminal Current TR 210 Service Manual 2 Select the frequency mode on the DMM and select the 20 VAC range 3 Select Channel A LOW2 and 2000 Hz on the tracker 4 Connect the A and COM terminals of the tracker under test to the frequency voltage inputs of the DMM with the banana leads item 2 5 On the front panel of the tracker select the test signal frequencies listed below and measure the corresponding frequencies DMM range Selected test signal Measured test signal frequency mode frequency frequency typical 20 VAC 2000 Hz 2000 Hz 20 VAC 200 Hz 200 Hz 20 VAC 50 60 Hz 60 Hz 6 Setthe 60 50 Hz switch on the back of the tracker to 50 Hz 7 Verify that
14. the fuse clip Use a fuse that has the same size and rating The rating for the fuse is listed on the rear panel below the fuse holder Figure 6 2 Signal fuse 159 0312 00 TR 210 Service Manual Removal and Installation Procedures Front Panel Knobs Top Cover TR 210 Service Manual Set the instrument bottom down on the work surface and face the front to you Grasp any knob you want to remove and pull it straight out from the front panel If the knob is difficult to remove insert a pair of angle tip tweezers between the knob and front panel and carefully pry the knob forward off the shaft To reinstall align the knob to the shaft and push it on Lay the instrument upside down on the top cover Use a small flat blade screwdriver to unsnap the four retainer clips on the bottom cover that have the rubber feet See Figure 6 3 Pry with small screwdriver to unsnap Retainer clip Figure 6 3 Retainer clips SU um 9 Use a 1 Phillips screwdriver to unscrew the four cabinet screws Turn the instrument over and lay it on the bottom cover Separate the top cover from the front and rear panel assemblies and lift it off the instrument To replace the cover turn the cover so that the tongue and groove features in the sides of the top cover align with those in the bottom cover and that both sides fit snugly together Tighten the screws and reinstall the bottom cover clips 6 7 Removal and Installation Procedures
15. tracker under test 3 Make the following oscilloscope settings Mode Setting Time base 100 us Channel 1 and 2 1 V div Trigger source Channel 1 XY mode On X and Y position Adjust open circuit trace to center graticule NOTE If a horizontal and a diagonal trace is displayed turn channel 1 off to eliminate the diagonal trace 4 Press each test range selector in turn MED2 MEDI The total horizontal trace length should be about 8 divisions for opens in any test range Select Channel A and repeat the test 5 With Channel A selected short the A to COM terminals with a banana lead item 2 The total vertical trace length should be about 6 divisions for shorts in any test range 6 Remove the short from the A to COM terminals short the B to COM terminals select channel B and repeat the test 7 Remove the short from the B to COM terminals TR 210 Service Manual 4 5 Performance Verification X Y Output Voltages 1 Connect the Horizontal X output to the DMM voltage input with a coax cable and female BNC to banana adapter items 4 and 6 2 Measure the following voltages for each tracker range listed Channel B Measured voltage X DMM range Tracker range open circuit typical 20 VAC HIGH 2 8 20 VAC MED2 2 8 VACpms 20 VAC MED1 2 8 VACems 20 VAC LOW2 2 8 VACrms 20 VAC LOW1 2 8 3 Select Channel A and repeat the test 4 Connect the Vertical Y
16. 10 Service Manual Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock disconnect the mains power by means of the power cord or the power switch Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power remove battery Gf applicable and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections vii Service Safety Summary viii TR 210 Service Manual Preface This manual provides information to troubleshoot and repair the TR 210 Huntron Tracker to the module level Related Manuals Additional documentation for the instrument is contained in the TR 210 Huntron Tracker User Manual part number 071 0114 Contacting Tektronix Product Support Service Support For other information To write us TR 210 Service Manual For application oriented questions about a Tektronix measure ment product call toll free in North America 1 800 TEK WIDE 1 800 835 9433 ext 2400 6 00 a m 5 00 p m Pacific time Or contact us by e mail tm_app_supp
17. All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product The common terminal is at ground potential Do not connect the common terminal to elevated voltages Use Proper Fuse Use only the fuse type and rating specified for this product Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property General Safety Summary vi Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product N AN m WARNING Protective Ground CAUTION Double High Voltage Earth Terminal Refer to Manual Insulated TR 210 Service Manual F s Service Safety Summary TR 2
18. IX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES j octu Table of Contents General Safety Summary Service Safety Summary vii Preface ann Related Manuals ed Rcg SAI Contacting Tektronix ix Specifications Electrical Specifications 1 1 Mechanical Specifications 1 2 Environmental Specifications 1 2 Certifications and Compliances 1 3 Operating Basics Installation s ee sia ed 2a sib mm sigh nis ade 2 1 Power Configuration 2 1 Oscilloscope Connection 2 2 Operation uy u te rr alle eed ee Sh 2 3 Front Panel Controls and Connectors 2 3 Operational Check Procedure 2 4 Theory of Operation Front Panel Module 3 1 Main Board Module 3 1 Line Filter Module
19. Service Manual Tektronix TR 210 Huntron Tracker 071 0113 00 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service C Copyright Tektronix Inc All rights reserved Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc Huntron and Tracker are registered trademarks of Huntron Inc WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If a product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the
20. ange LED should go off The MED2 range LED should turn on Press the SCAN button The tracker should scan through all the ranges except the HIGH range Press the LOW1 button to cancel scanning Press the HIGH lock button to remove the lock Check the combined operation of ALT and SCAN a Press the SCAN button Press the ALT button The ALT LED should be on and the Channel A and Channel B LEDs should alternate on and off The SCAN LED should be on and all the test ranges should be scanned Ranges should change on the B to A transition of the channels Verify that the scanning and alternation rates increase with clockwise rotation of the RATE control and decreases with counterclockwise rotation of the RATE control Return the RATE control to midrange Check the PULSE GENERATOR buttons The PULSE DC LED should be on Press the positive button several times The LED should toggle between on an off each time the button is pressed With the LED off repeat the above procedure using the negative button The LED should toggle on and off each time the button is pressed 4 3 Performance Verification Signal Section 4 4 Test Terminals d Turn on and off The PULSE DC LED should be on and not flashing which indicates DC mode e Press the PULSE DC button once The PULSE DC LED should flash on and off to indicate Pulse mode f Press the and button so that both the and LEDs are on and th
21. ctor component in this When performing any service which requires internal access to the instrument adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD 1 2 TR 210 Service Manual Minimize handling of static sensitive modules Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive modules Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these modules Do service of static sensitive modules only at a static free work station Nothing capable of generating or holding a static charge should be allowed on the work station surface Handle circuit boards by the edges when possible Do not slide the modules over any surface Avoid handling modules in areas that have a floor or work surface covering capable of generating a static charge 6 1 Maintenance Inspection and Cleaning Exterior A Internal A 6 2 How often to do maintenance depends on the severity of the environment in which the instrument is used A proper time to perform preventive maintenance is just before instrument adjustment Inspect the outside of the instrument for damage wear and missing parts Instruments that appear to have been dropped or otherwise abused should be checked thoroughly to verify correct operation
22. defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRON
23. e PULSE DC LED is flashing Press the PULSE DC button once so that the LED is continuously on The LED should go off all three LEDs cannot be continuously on g Press the button several times With each press the LED should go off and the LED should come on or visa versa Verify the signal voltages on the Channel A and Channel B test terminals and the X Y outputs 1 Make sure that the HIGH lock LED is off 2 Select Channel A HIGH range and 50 60 Hz 3 Connect the DMM between the Channel A and COM test terminals with the red and black banana leads items 1 and 2 on page 4 1 4 Measure the RMS sine wave voltage for each range listed below DMM range Tracker range selector Measured voltage typical 200 VAC HIGH 42 1 VACams 20 VAC MED2 14 1 VACR ms 20 VAC MED1 10 6 VACR ms 20 VAC LOW2 7 1 VACrms 20 VAC LOW1 2 1 VACrms 5 Select Channel B and HIGH range 6 Connect the DMM between the Channel B and COM test terminals Repeat the measurements for each range listed 7 Remove the connections TR 210 Service Manual Performance Verification X Y Output Signals 1 Connect the tracker under test to an oscilloscope item 3 using two BNC cables item 4 a The Horizontal X output connects to the Channel 1 X input on the oscilloscope b The Vertical Y output connects to the Channel 2 Y input on the oscilloscope 2 With Channel B selected select the HIGH range and 2000 Hz range on the
24. ect For Loose broken or corroded solder connections Burned circuit boards Burned broken or cracked circuit run plating Repair Action Remove failed module and replace with a fresh module Resistors Burned cracked broken blis Remove failed module and tered condition replace with a fresh module Solder connections Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Capacitors Damaged or leaking cases Remove damaged module and Wiring and cables Corroded solder on leads or terminals Loose plugs or connectors Burned broken or frayed wiring replace with a fresh module from the factory Firmly seat connectors Repair or replace modules with defective wires or cables Chassis Dents deformations and dam aged hardware Straighten repair or replace defective hardware Maintenance 6 4 TR 210 Service Manual um m si Removal and Installation Procedures A Equipment Required TR 210 Service Manual This section contains procedures for removal and installation of all replaceable mechanical and electrical parts For an exploded view and list of these parts refer to the Mechanical Parts List on page 10 1 WARNING Before doing this or any other procedure in this manual read the Safety Summary found at the beginning of this manual Also to prevent possible injury to service personnel or damage to this instrument s components read Installation in Sectio
25. ektronix TDS 210 Tektronix part number 012 0057 01 Purpose Measure tracker voltages Connect DMM to tracker test terminals Display tracker signals Connect tracker signals to oscilloscope inputs Electrical adjustments Prepare the TR 210 Huntron Tracker for adjustment as follows 1 Make sure the line frequency and line voltage switches on the back panel are set correctly 2 Refer to the procedure on page 6 7 and remove the top cover 3 Plug the TR 210 Huntron Tracker in and turn the power on Adjustment Procedures The control indicators of the tracker under test should power up in the following states Control name Indicator status CHANNELA On Channel B and ALT are off LOW 2 On all other ranges off 50 60 Hz On all other frequencies off PULSE DC On and off 4 Turn the RATE control to midrange 5 Turn the LEVEL and WIDTH controls fully counterclockwise TR 210 Service Manual Adjustment Procedures Adjustment Procedure The illustration in Figure 5 1 shows the adjustment locations for the TR 210 Huntron Tracker Cathode D9 SA Anode D7 Figure 5 1 TR 210 adjustment locations and test points 1 Using a DMM item 1 verify the following voltages with respect to com a Cathode of D9 is between 12 VDC and 18 VDC b Anode of D7 is between 12 VDC and 18 VDC 2 Make sure that the HIGH lock LED is off
26. ge Option number North America Standard 125 V 15 A Plug NEMA 5 15P Europe Al 230 V United Kingdom A2 230 V Options 7 2 TR 210 Service Manual G Replaceable Electrical Parts For a list of all replaceable parts refer to the Mechanical Parts List on page 10 1 TR 210 Service Manual 8 1 Replaceable Electrical Parts 8 2 TR 210 Service Manual A swOanhi 8 Diagrams For an exploded view diagram of the TR 210 Huntron Tracker refer to the Mechanical Parts List on page 10 1 TR 210 Service Manual 9 1 Diagrams 9 2 TR 210 Service Manual Replaceable Mechanical Parts N V JA W Figure 10 1 TR 210 replaceable parts and accessories 10 1 TR 210 Service Manual Replaceable Mechanical Parts Replaceable parts list Fig amp index Tektronix Serialno Serial no number part number effective discont d Qty Name amp description Mfr code Mfr part number 10 1 1 390 1188 00 1 CABINET ASSY PLASTIC TOP amp BOTTOM 57705 01 1241 CABINET W CLIPS amp SCREWS 2 050 3319 00 1 PARTS REPL KIT SERVICE 57705 050 3319 00 REPLACEMENT BOTTOM amp TOP PLASTIC CLIP W FOOT 8 EA CASE SCREWS 4EA 3 650 3815 00 1 PANEL ASSY REAR INCLUDES BNC S W WIRING 57705 06 2135 CONNECTORS FUSE HOLDER amp CONNECTAC LINE FILTER 4 159 0312 00 1 FUSE CARTRIDGE METRIC 250MA 250V FAST 57705 02 0022 5 119 5867 00 1 FILTER RFI POWER MODULE 57705 06 2136 6 159 0414 00 1 FUSE 250V 0 125
27. hat it is on Rotate the LEVEL knob clockwise to its maximum position c Verify that the DC voltage level is approximately 5 volts on Channel 2 of the oscilloscope d Rotate the LEVEL knob counterclockwise and verify that the DC voltage drops to near zero 3 Verify that GI stays at zero a Pressthe and buttons so that both and LEDs are off Verify that the voltage level is near zero for this condition b Rotate the LEVEL knob in both directions The voltage level on Channel 2 of the oscilloscope should remain near zero 4 8 TR 210 Service Manual Performance Verification TR 210 Service Manual Press the PULSE DC button once so that the PULSE DC LED is flashing The and LEDs should still be off Rotate the LEVEL knob in both directions and verify that the voltage level remains near zero 4 Check the width control of G1 a Tracker frequency range 50 60 Hz 200 Hz 2000 Hz Press the and buttons Both and LEDs should be on and the PULSE DC LED should be flashing Rotate the LEVEL control knob all the way clockwise Set the tracker to 50 60 Hz and the oscilloscope time base to 5 ms div Vary the Width control and change the and settings to display the waveforms for each of the three pulse types shown in Figure 4 1 on page 4 10 The rising edge of a positive pulse should always coincide with each positive going zero crossing of the sine wave test signal The falling edge
28. ith X Y As per description and purpose Tektronix TDS 210 Display tracker signals display mode 4 Two 2 coaxial cables BNC male to male Tektronix part number Connect tracker signals to 012 0057 01 oscilloscope inputs 5 BNC male to dual binding As per description Tektronix part number Adapt female BNC to banana post adapter 103 0035 00 patch cord 6 BNC female to dual male As per description Tektronix part number Adapt male BNC to dual banana 103 0090 00 banana connections 7 Banana plug patch cord As per description Te ktronix part number 012 0031 00 or 012 0039 00 Patch connection TR 210 Service Manual Performance Verification Preparation Prepare the TR 210 Huntron Tracker for the verification as follows 1 Make sure the line frequency and line voltage switches on the back panel are set correctly 2 Plug the TR 210 Huntron Tracker in and turn the power on The control indicators of the tracker under test should power up in the following States Control name Indicator status CHANNEL A On Channel B and ALT are off LOW 2 On all other ranges off 50 60 Hz On all other frequencies off PULSE DC On 4 and off 3 Turn the RATE control to midrange 4 Turn the LEVEL and WIDTH controls fully counterclockwise Logic Section 1 Check the frequency selection buttons a Press the 200 Hz 2000 Hz and 50 60 Hz button in that order b Check that each corresponding LED
29. n 2 and Preventing ESD in this section Before doing any procedure in this subsection disconnect the power cord from the line voltage source Failure to do so could cause serious injury or death Unless indicated otherwise perform installation in reverse order of removal Refer to Table 6 2 for a list of all equipment required to perform the procedures Table 6 2 Tools required for module removal Item No Name Description 1 1 Phillips screwdriver Standard too 2 1 Pozidrive screwdriver Standard too 3 Small flat blade Standard too screwdriver 4 Angle Tip Tweezers Standard too 5 Soldering Iron Standard too 6 Pliers Standard too 7 11 32 hex wrench Standard too 6 5 Removal and Installation Procedures Line Fuse Signal Fuse 6 6 1 Insert a small flat blade screwdriver into the notch just inside the power cord socket of the line filter Use the notch to pull the fuse holder straight out to remove the fuse 2 access the spare fuse push out the fuse drawer located inside the fuse holder 3 Replace the fuse in the fuse holder and snap the fuse holder back into the lined filter GERD Line fuse and spare fuse holder 8 Line fuse q Spare fuse Release notch an Figure 6 1 Accessing the line fuse and spare fuse 159 0414 00 1 Unscrew the fuse holder located on the right rear panel 2 Remove and replace the signal fuse from
30. n in Figure 2 5 This is the short circuit signature Tek Run 20kS s eni TV TIE TV sms Chl 7 DV Figure 2 5 Typical short circuit signature This completes the operational check procedure TR 210 Service Manual Operation 2 6 TR 210 Service Manual 7 Theory of Operation Figure 3 1 shows a block diagram of the TR 210 Huntron Tracker and replace able modules Front Panel Module Main Board Module 4 E Front panel Control logic 191 controls Power supply Line Fi Iter Module G1 Pulse generator G2 Front panel connectors Oscillator 15V gt To external i oscilloscope Test signal Horizontal X Vertical Y I in XY mode Figure 3 1 TR 210 block diagram Front Panel Module The front panel module contains all the probe connections and front panel controls for the TR 210 Huntron Tracker Wiring harnesses connect the front panel controls to the main board Main Board Module Control logic circuitry reads the front panel switches and generates the test signal for Analog Signature Analysis ASA An oscillator circuit generates the signal that alternates the A and B test signals and produces the pulse signals To display the signature the TR 210 Huntron Tracker outputs voltage V and current I signals to the horizontal X and vertical Y
31. ncludes appliances portable tools and similar products Equipmentis usually cord connected CATI Secondary signal level or battery operated circuits of electronic equipment 2 TR 210 Service Manual Specifications 14 TR 210 Service Manual Installation Power Configuration A Line Selector Switch This section describes how to configure the TR 210 Huntron Tracker and connect it to an oscilloscope For the following discussion refer to Figure 2 1 for the location of the rear panel features CAUTION To avoid product damage set the line selector switch to the correct position and install the correct fuse before applying line power Set the line selector switch to the correct position for 100 115 Vac or 230 Vac operation Line Fuse The power entry module has a removeable tray that contains the line fuse and a spare fuse Install the correct line fuse according to the specification on page 1 2 To replace the fuse see Figure 6 1 on page 6 6 50 60 Hz Selector Switch Set the 50 60 Hz selector switch located on the rear panel to the setting that matches your line frequency Line fuse To oscilloscope X and Y inputs N O O Horizontal X Vertical Y O Signal Fuse 100 115 I 230 TER F250mA VAC VAC 60 50 Hz Hz Remote Switch Power switch Line voltage Line frequenc
32. nd compliances Characteristic EC Declaration of Conformity EMC EC Declaration of Conformity Low Voltage Approvals Installation Category Descriptions Pollution Degree Description Meets intent of Directive 89 336 EEC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official ournal of the European Communities EN 50081 1 Emissions EN 55011 Class B Radiated and Conducted Emissions EN 50082 1 Immunity IEC 1000 4 2 Electrostatic Discharge Immunity IEC 1000 4 3 RF Electromagnetic Field Immunity IEC 1000 4 4 Electrical Fast Transient Burst Immunity IEC 1000 4 5 Power Line Surge Immunity Compliance was demonstrated to the following specification as listed in the Official J ournal of the European Communities Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 1993 Safety requirements for electrical equipment for measurement control and laboratory use UL3111 1 Standard for electrical measuring and test equipment CAN CSA C22 2 No 1010 1 Safety requirements for electrical equipment for measurement control and laboratory use Terminals on this product may have different installation category designations The installation categories are CAT III Distribution level mains usually permanently connected Equipment at this level is typically in a fixed industrial location CAT II Local level mains wall sockets Equipment at this level i
33. nufacturers cross index Mfr code 2W733 57705 80009 TK2280 Manufacturer BELDEN WIRE amp CABLE COMPANY HUNTRON INC TEKTRONIX INC ESCORT INSTRUMENTS CORP TR 210 Service Manual Address 2200 US HWY 27SOUTH PO BOX 1980 15720 MILL CREEK BLVD 14150 SW KARL BRAUN DR PO BOX 500 NO 6 ALLEY 6 LANE 45 PAO HSIN RD City state zip code RICHMOND IN 47374 MILL CREEK WA 98012 BEAVERTON OR 97077 0001 HSIN TIEN TAIPEI TAIWAN CN 10 3 Replaceable Mechanical Parts 10 4 TR 210 Service Manual
34. o disconnect the ground wire from the front panel assembly Remove the front panel assembly from the bottom cover Front Panel Potentiometers and Elastomer Main Board TR 210 Service Manual n An N Remove the top cover Remove the front panel knobs Remove the front panel circuit board Remove the elastomer for the front panel push buttons Desolder the potentiometer s from the circuit board Using pliers untwist the tabs that secure the potentiometer s to the circuit board and remove the potentiometer s Remove the top cover Disconnect the front and rear panel wiring from the main circuit board Remove the front panel assembly Unscrew the main circuit board from the bottom cover with a 1 Pozidrive screwdriver To protect the line frequency switch and remote control socket keep the rear of the main board and the rear panel assembly together as you lift them out of the bottom cover Reinstall the main circuit board in the bottom cover and tighten the screws so they are just snug about 2 inch lbs Do not overtighten 6 9 Removal and Installation Procedures 6 10 TR 210 Service Manual Options TR 210 Service Manual Table 7 1 shows the power cord options available with the TR 210 Huntron Tracker at the time of purchase Besides the power cord options no other options are available at the time of purchase Table 7 1 Power cord identification Plug configuration Normal usa
35. of a negative pulse should always start at each negative going zero crossing of the test signal Repeat this step for 200 and 2000 Hz A slight slope in the rising and falling edges of the pulses is acceptable for 2000 Hz Set the oscillo scope time base as follows for each frequency range Oscilloscope time base setting 5 ms div 1 ms div 250 us div 4 9 Performance Verification E Q min Q Q max Settings LEVEL LEVEL LEVEL Testsignal 0 Positive 0 ile ail TL dL at Negative 0 ape 3 il Composite 0 Jl jap Figure 4 1 Pulse types 4 10 TR 210 Service Manual Adjustment Procedures Equipment Required This section contains information needed to adjust the TR 210 Huntron Tracker NOTE This procedure is for trained service technicians only The equipment listed in Table 5 1 is required to adjust the TR 210 Huntron Tracker Table 5 1 Test equipment fixtures and supplies Item number and description l Multimeter with test leads 2 One 1 pair shrouded red and black banana leads male to male 3 Oscilloscope with X Y display mode 4 Two 2 coaxial cables 5 Insulated adjustmenttool Preparation TR 210 Service Manual Minimum requirements AC DC volts As per description As per description and purpose BNC male to male As per description Example Tektronix DMM 916 Tektronix ATL21 T
36. th pulse mode typical 2 to 5096 duty cycle Source Resistance typical 100 Q each output Short Circuit Current TR 210 Service Manual 50 mA maximum each output Specifications Table 1 1 Electrical specifications Cont Power Requirements Line Voltage 100 115 VAC or 230 VAC selector switch on rear panel Frequency 50 Hz to 60 Hz Power 15 W maximum Line Fuse 100 115 V 5 mm x 20 mm T125 mA 250 V IEC127 2 Ill type GDC user replaceable 230 V 5 mm x 20 mm T125 mA 250 V IEC127 2 Ill type GDC user replaceable Mechanical Specifications Table 1 2 lists the mechanical specifications for the TR 210 Huntron Tracker Table 1 2 Mechanical specifications Dimensions W x H xD 11 5 in x 2 7 in x 10 2 in 29 1 cm x 6 9 cm x 25 9 cm Weight 4 6 lbs 2 1 kg Shipping Weight Approximately 7 lbs 3 kg Environmental Specifications Table 1 3 lists the environmental specifications for the TR 210 Huntron Tracker Table 1 3 Environmental specifications Application Indoor use Altitude 2000 m 6560 ft Operating Temperature 0 C to 440 C 32 F to 104 F Storage Temperature 50 C to 460 C 58 F to 140 F Relative Humidity 8096 up to 31 C derated linearly to 5096 at 40 C 1 2 TR 210 Service Manual Specifications Certifications and Compliances Table 1 4 lists the certifications and compliances for the TR 210 Huntron Tracker Table 1 4 Certifications a
37. the frequency on the output measures 50 Hz nominal 8 Move the 60 50 Hz switch back to the line frequency Measure the RMS value of the test terminal short circuit current in each range 1 Connect Channel A and COM inputs of the tracker under test to the DMM 200 mA current and common inputs with the banana leads item 2 2 Setthe DMM to read mA AC 3 Verify the following RMS current readings DMM range Measured current current mode Tracker range typical 20 mA HIGH 0 57 mA 20 mA MED2 0 53 mA 20 mA MEDI 8 2 mA 200 mA LOW2 132mA 20 mA LOW1 0 21 mA 4 7 Performance Verification Pulse Generator Section 1 Setup the Oscilloscope for measuring the positive and negative DC levels X Y off a Connect Channel A of the tracker to Channel 1 of the oscilloscope with the coax cable and BNC female to dual banana adapter items 4 and 6 b Connect Gl PULSE GENERATOR terminal of tracker to Channel 2 of the oscilloscope with a banana patch cord and a male BNC to banana adapter items 7 and 5 Connect the patch cord to the red side of the adapter c Setup the equipment controls as follows Tracker control Setting 50 60 Hz On Channel On LOW2 button On Oscilloscope control Setting Trigger source Channel 1 Channel 1 5 V div Channel 2 2 V div Time base 10 ms div 2 Measure the DC levels of G1 a Press the PULSE DC button so that it is on continuously b Press the button so t
38. y Figure 2 1 TR 210 rear panel TR 210 Service Manual 2 1 Installation Oscilloscope Connection The TR 210 Huntron Tracker works with an analog or digital oscilloscope to display component signatures The oscilloscope must be capable of displaying an untriggered XY waveform that is generated by the TR 210 Huntron Tracker Connect the TR 210 Huntron Tracker to the oscilloscope as shown in Figure 2 2 Test oscilloscope TR 210 rear Figure 2 2 Connecting the TR 210 Huntron Tracker to an oscilloscope When operating the TR 210 Huntron Tracker set the oscilloscope to the following settings 1 2 3 4 5 Set the channel 1 and channel 2 vertical scale to 1 V div Set the channel 1 and channel 2 vertical positions to center screen Set the time base to 5 ms div Set the trigger source to channel 1 Turn on XY display mode TR 210 Service Manual Operation This section briefly describes the TR 210 operation For more information refer to the TR 210 User Manual Front Panel Controls and Connectors Figure 2 3 identifies the front panel controls and connectors that are described in 1 2 3 Table 2 1 4 5 6 O A O we 200 60Vpk a N j T M A SCAN LOW LOW2 MEDI MED2 HIGH act PULSE GENERAT YR B MAX i ALO O O O O
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