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TDS5000B Series Digital Phosphor Oscilloscopes Service Manual

1. Using the Replaceable Parts List Abbreviations 00 TDS5000B Series Service Manual Mfr Code to Manufacturer Cross Index 6 63 6 65 6 66 6 66 6 66 6 69 6 69 6 69 Mo 9 1 Table of Contents List of Figures Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 5 1 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 6 5 Figure 6 6 Figure 6 7 Figure 6 8 Figure 6 9 Figure 6 10 Figure 6 11 Figure 6 12 Figure 6 13 Figure 6 14 Figure 6 15 Figure 6 16 Locations of peripheral connectors on the side panel On Standby switch location eee User interfaces iiid e ye E ks koia IE Locations of input output connectors on the front panel Locations of connectors on the rear panel Front panel controls eeeeeeeeeeee Calibration setup 0 cee cece cece eee eens Knob removal cc cece cere ccc c cece nn nnn Trim removal seisine cc cece cere cece eee ee ceee Bottom cover removal eee Right side cover removal eeees Printer frame removal eere Internal modules cece eee e reece neces Front panel assembly removal eee J1 flex cable connector removal Front panel board and keyboard removal Display removal eee Touch panel and Display assembly removal Dis
2. SIGNAL OUT Figure 2 1 Locations of peripheral connectors on the side panel TDS5000B Series Service Manual Operating Information Power On the Instrument Follow these steps to power on the instrument CAUTION Connect the keyboard mouse and other accessories before applying power to the product 1 Connect the power cord 2 Ifyou have an external monitor connect the power cord and power on the monitor 3 Press the On Standby switch to power on the instrument see Figure 2 2 for the switch location 4 Wait for the boot routine and low level self test to complete OOwoOoO olo OJ L Switch gt S Figure 2 2 On Standby switch location Powering Off the The oscilloscope has a built in soft power off function that safely powers off the Oscilloscope oscilloscope when you press the On Standby switch To completely remove power to the instrument press the On Standby switch and then remove the power cord from the rear panel Create an Emergency Now that you have completed the basic installation process you should create an Startup Disk emergency startup disk that you can use to restart your instrument in case of a major hardware or software failure You should create this disk and then store it in a safe place recover your Windows installation without rebuilding the entire instrument hard f CAUTION Create this disk and st
3. lees Connect the Peripherals 0 0 0 eee ce eee eee ee Power On the Instrument 0 0 0 cece ee eee eee eens Powering Off the Oscilloscope 0 cece eee I Create an Emergency Startup Disk 00 00 c cece eee eee software Installation 3 5 ge bie Pa Oa ote s Operating Information 0 0 eee cece eet nee eens BackUp User EileS uode testa p Ac Mu Sed User Interface Map s RSEN e ERR Eront Panel TO Map i o RI E T a RU REPRISES Rear Panel TO Map ian Rer NOIRE bate Dae eats Front Panel Controls Map sseeeeeeee rnn Instrument Diagnostics 0 0 eee eee II Signal Path Compensation 00 cee eee eee eee eee ee Using the Online Help 252 pe ee Bek ea LEE Eosic COonyentlODs ees roe bes bia ubere Ned rn onini D Lane Module Overviews 0 cece cet I ne ens TDS5000B Series Service Manual t2 pO DD PRR vii xi xi xi xii xii 1 LOL oDP o P od Pg g n2 coOocouoOocooc0oc 1oo0 uL5 Be e 5 o n Table of Contents General sos ce c duce to dc e Shee cd URP e e o nays 3 1 Input Signal Path isi a2 ie ieee ee er diary eR ees 3 1 Display Panel oe e te eA TP rat we oe CREATOR es 3 1 Front Panel ooo te ose e ooh ste ate RR RT e Re RD a 3 2 Side Panels o tte ate i OR e dl aera reat QR Goatees Mature eed 3 3 POWER SUPPLY saco nete RR ere e id chara nette ea rette ed Meta 3 3 ANS red hos Ceo Notas c etude utet dus Ama mure tube m dot 3 3 Printet to
4. CDRW drive assembly Disconnect from the CDRW drive assembly s97 T 15 lorxdrive screw 1 From power supply CDRW drive s assembly SN SK 2 Figure 6 19 CDRW drive assembly removal Fan Removal 1 Locate module to be removed Locate the fans in the locator diagram Internal Modules Figure 6 6 page 6 19 Additional modules to be removed m Trim all except front panel and acquisition TDS5000B Series Service Manual 6 37 Removal and Installation Procedures 6 38 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the left side is facing you 3 Remove the fans See Figure 6 20 on page 6 39 a Remove the four plastic fasteners that secure each of the fans to the chassis See Figure 6 20 NOTE A wire cutter can help you remove each fastener First use the cutter to pry up and retract the fastener head Then use it to remove the fastener body Be careful to only pry with the wire cutters and NOT to cut b Lift the fan cable up and out from the cable clamp NOTE Needle nose pliers can serve as an effective tool to remove the cable clamp if you use it to carefully squeeze the clamp s top and bottom latches c Disconnect the fan cable from the PC interface board See Figure 6 21 on page 6 40 d Lift the fan assembly up and out from the chassis 4 Reinstallation Do in reve
5. 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 Maintenance 4 Nothing capable of generating or holding a static charge should be allowed on the work station surface 5 Handle circuit boards by the edges when possible 6 Do not slide the circuit boards over any surface 7 Avoid handling circuit boards in areas that have a floor or work surface covering capable of generating a static charge Inspection and Cleaning General Care Interior Cleaning A Exterior Cleaning Inspection and Cleaning describes how to inspect for dirt and damage It also describes how to clean the exterior and interior of the oscilloscope Inspection and cleaning are done as preventive maintenance Preventive maintenance when done regularly may prevent oscilloscope malfunction and enhance its reliability Preventive maintenance consists of visually inspecting and cleaning the oscilloscope and using general care when operating it How often to do maintenance depends on the severity of the environment in which the oscilloscope is used A proper time to perform preventive maintenance is just before oscilloscope adjustment The cabinet helps keep dust out of the oscilloscope and should normally be in place when operating the oscilloscope Use a dry low velocity stream of air to clean the interior of
6. DIAg STATE This command no query form changes the oscilloscope operating state Depending on the argument diagnostics capabilities are either turned on or off This command is equivalent to opening the DIAg STATE dialog ON or closing it OFF Related Commands TEST STOP Syntax DIAg STATE ON OFF Arguments ON puts the instrument into the state in which diagnostics can be run This argument is used automatically if either DIAg EXECUTE or DIAg TEST commands are executed OFF disables diagnostics capabilities and returns the oscilloscope to a normal operating state Example DIAg STATE OFF turns off diagnostics capabilities and returns the instrument to a normal operating state DIAg STOP This command no query form causes diagnostics or test execution to terminate at the end of the next low level test This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then clicking Abort Related Commands TEST STOP Syntax DIAg STOP Example DIAg STOP terminates diagnostics or test execution at the end of the next low level test TDS5000B Series Service Manual 5 33 Commands TEST Syntax Arguments Example 1 Example 2 Example 3 TEST RESults 5 34 Related Commands Syntax Example 1 This command no query form provides the ability to select and execute an item at any level of the test hierarchy Test Area or Subsystem This command is equi
7. 15 200 4651 00 16 260 2746 00 17 200 4640 00 18 367 0528 00 19 407 4838 00 20 212 0213 00 21 200 4667 00 22 214 5003 00 23 211 0738 00 TDS5000B Series Service Manual Qty Name amp description 1 1 1 DOOR ACCESSORY TRAY 0 050 AL CABINET TOP PRINTER TRAY 0 050 AL Opt 1P TRAY ACCESSORY POUCH ACCESSORIES BLACK SNAP ON TOP PLASTIC MARKER IDENT LABEL PRINT UNIT ID BLACK SCREW MACHINE 6 32 X 0 250 PNH STL CDPL T 15 TORX DR FOOT REAR PC ABS BRACKET MOUNTING POUCH 0 050 AL COVER SIDE RIGHT FR110 COVER CDROM PC ABS SCREW MACHINE 6 32 X 0 312 L PNH STL CAD T15 PANEL ASSEMBLY FRONT LOWER 2 CH PANEL ASSEMBLY FRONT LOWER 4 CH TRIM RING FR110 PC ABS TRIM RING FR110 PC ABS OPTION FHD PEM COVER FRONT PC ABS ALLOY BAYBLEND FR110 TEK BLUE SWITCH KEYPAD ELASTOMERIC ON STANBY PUSHBUTTON COVER SIDE LEFT FR110 HANDLE CARRYING DUAL DUROMETER MOLDED POLYPROPYLENE VINYL GRIP SECTION BRACKET HANDLE BASE PC ABS ALLOY BAYER BAYBLEND FR 110 TEK BLUE SCREW MACHINE 8 32 X 0 75 L PNH STL BLACK OXIDE PL TORX COVER VGA PANEL PC ABS ALLOY BAYER BAYBLEND FR TEK BLUE FASTENER LATCHG PUSH LOCK 1V60 3 9 999 9 SCREW MACHINE 6 32 X 0 625 PNH STL BLK ZI TORX Mfr code TK2565 0J9P9 TK2565 TK2539 TK2565 04986 0KB01 TK2565 1WNW6 TK2565 TK2565 0KB01 TK1943 7X318 TK2565 TK2565 22670 TK2565 12136 TK2565 0KB01 TK2565 80009 93907 Mfr part number 200 4669 00 200 4668 00
8. No bly Display panel or display No system Power supply No Interconnect boards No Fans No Required Equipment The sample calibration procedure requires the specific test equipment and materials listed in Table 5 2 Table 5 2 Required equipment and materials Category Signal source Instrument controller Test software GPIB cables 5 2 Specific equipment required Quantity Wavetek 9500 Oscilloscope Calibrator with Option 100 high stability time base Wavetek 9520 or 9530 Standard Output Module PC compatible computer with National Instruments GPIB Controller card and National Instruments NI 488 2 for Windows software running Windows 95 or later The PC must support Visual Basic win32 applications and be able to provide a TekVisa supported GPIB connection to the Wavetek 9500 as well as to the TDS5000B oscilloscope Calibration software such as the sample Visual Basic 6 program listed later in this chapter TekVisa drivers These are available on the TDS5000B Application CD GPIB cable 1 m minimum length Tektronix part number 2 ea 002 0991 01 or similar TDS5000B Series Service Manual Calibration Procedure Overview of the Procedure To execute the sample calibration program listed at the end of this chapter you must have the specific equipment listed in Table 5 2 You must use a separate computer as the instrument controller The sample program allows the user to control both the Wa
9. other small prying tool to help you detach the snaps Grasp the trim ring by its side edges and slide it back and forth to release the snap in the middle of the trim ring The snap is at the bottom T of the front panel above the channel 1 and 2 BNCs Pull off the trim ring As you do so take care not to lose the 3 pem inserts in the bottom of the trim ring 6 11 Removal and Installation Procedures 8 Remove the acquisition trim Use Figure 6 2 page 6 13 as a guide a Remove the acquisition trim from the oscilloscope 9 Reinstallation Do in reverse steps 2 through 4 to reinstall the appropriate trim TDS5000B Series Service Manual Removal and Installation Procedures Accessory tray door T 15 Torxdrive gt screw 2 Accessory tray T 15 Torxdrive screw 2 panel v di Ne L P s T 15 Torxdrive s screw 2 Dey Aet Standard front panel trim Pem inset 3 gt e T 15 Torxdrive 8 screw 3 Front hard drive option front panel cover Figure 6 2 Trim removal TDS5000B Series Service Manual IN gt P Pouch Top cover trim ge T 15 Torxdrive 9 3 screw 2 lt Power cord retainer 2 Right side panel CD drive trim Nen 5 Torxdrive screw 2 Front panel cover Removal and Installation Procedures Bottom Covers
10. the oscilloscope is defective To run the oscilloscope Diagnostics do the following steps 1 Turn off all other applications 2 From the menu bar click Utilities and then select Instrument Diagnostics 6 58 TDS5000B Series Service Manual Troubleshooting Diagnostics The oscilloscope has two levels of internal diagnostics that focus on verifying adjusting and if need be isolating faulty modules Both levels of internal diagnostics report any bad modules If a bad module is found replace the module The two levels of diagnostics are the short confidence set and the extended set that tests the oscilloscope circuitry in depth and takes more time At power on the oscilloscope automatically executes the short set The extended set is optional and is executed by using the following procedure 1 Display the System diagnostics menu a From the menu bar click Utilities and then select Instrument Diagnos tics Firmware Updates Firmware updates are easy to do Simply install the firmware CD in your oscilloscope and follow the displayed instructions or the instructions that accompany the CD If you want to order a firmware update contact your Tektronix service center After Repair After removal and replacement of a module due to electrical failure you must perform the calibration or software update as indicated in Table 6 8 Table 6 8 Action required for module replaced Calibration Module
11. top 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the front panel is facing you CAUTION To avoid damage to the front panel Standby On switch assembly do N not set the Display module assembly on a work surface Sliding the oscilloscope over the edge of the work surface could break off the On Standby switch assembly 3 Remove the Display assembly See Figure 6 10 page 6 26 a Remove the four T 15 Torxdrive screws that secure the display assembly to the chassis b Grasp the display assembly at the finger reliefs located at the top right and bottom left corners of the display assembly and pull forward far enough to allow access to the flex cable connector c Disconnect J5 flex cable from the display assembly Remove the display module assembly from the oscilloscope See Figure 6 10 page 6 26 TDS5000B Series Service Manual 6 25 Removal and Installation Procedures T 15 Torxdrive RIS screw 4 E J5 Flex cable Own Finger relief pu p Display assembly Finger relief Figure 6 10 Display removal 4 Remove the Touch panel from the Display assembly See figures 6 11 and 6 12 on pages 6 27 and 6 28 CAUTION To prevent degradation of the display sharpness this procedure must be performed in a dust free environment Wear cotton gloves to prevent finger oils from contaminating any surfaces of the display glass
12. Figure 6 23 on page 6 44 NOTE The motherboard and rear chassis is removed as one assembly Remove the four T 15 Torxdrive screws that secure the power cord retainers the pouch bracket and motherboard assembly to the side of the chassis Remove the two bottom feet from the chassis of the motherboard assembly NOTE You only need to separately remove the two bottom feet if you plan to replace the sheet metal and reuse the feet Also if you do plan to replace the sheet metal then remember that it has stickers with important information on it such as the serial option label and safety data e f Remove the two jack screws that secure the VGA connector to the bracket Disconnect the three cables from the motherboard assembly Disconnect the GPIB cable from the PC interface board Carefully lift the assembly out of the chassis 4 Orient the motherboard assembly Set the motherboard assembly so the bottom is down on the work surface and the connector panel is facing you 5 Remove the motherboard from the rear chassis a Remove the six jack screws that secure the motherboard connectors to the connector panel of the rear chassis TDS5000B Series Service Manual Removal and Installation Procedures b Remove the six T 15 Torxdrive screws that secure the motherboard to the rear chassis c Carefully lift the motherboard out of the rear chassis 6 Reinstallation Do in reverse steps 3 through
13. Installation Procedures c Slide the right side panel towards the rear of the oscilloscope allowing the tabs to clear the cover openings then pull out to remove the panel from the oscilloscope 4 Remove the VGA panel Use Figure 6 2 page 6 13 as a guide a Remove the VGA panel by gently pulling the trim up and out from the oscilloscope 5 Remove the pouch Use Figure 6 2 page 6 13 as a guide a b Unsnap the pouch from the top cover Remove the two T 15 Torxdrive screws that secure the power cord retainers and pouch bracket at the top rear of the oscilloscope 6 Remove the top cover Use Figure 6 2 page 6 13 as a guide a b Remove the accessory tray door or printer door Remove the accessory tray or internal printer two T 15 Torxdrive screws If the internal printer is installed disconnect the cable from the printer Slide the top cover towards the rear of the oscilloscope allowing the tabs to clear the cover openings then pull out to remove the cover from the oscilloscope 7 Remove the front panel trim TDS5000B Series Service Manual a To prevent the power button from falling out of the front panel trim place a piece of tape over the button Remove the three T 15 Torxdrive screws that secure the front panel trim to the oscilloscope Grasp the trim ring by its top edge and pull toward you to detach the three plastic snaps Alternatively you can use a flat bladed solder aid or
14. Military Standard Technical Manual Writing Handbook TDS5000B Series Service Manual 9 1 Diagrams ON STANDBY LCD Inverter Display display board adapter board PC Interface board Thermal printer SVGA USB J200 J520 J1000 J1040 Sound Serial PC motherboard Parallel Ethernet Mouse Keyboard CPU Fan J P6 Disk drive adapter board P1 P2 on cable Power supply Probe Acquisition board Interface Nx Line J1800 lt Aux Out Sig Out uis Ref In Figure 9 1 TDS5000B series block diagram 9 2 TDS5000B Series Service Manual ee Ae eee Mechanical Parts List This section contains a list of the replaceable modules for the oscilloscope Use this list to identify and order replacement parts Parts Ordering Information Module Servicing Replacement parts are available through your local Tektronix field office or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest circuit improvements Therefore when ordering parts it is important to include the following information in your order m Part number m Instrument type or model number Instrument serial number W Instrument modification number if applicable If you order a part that has been replaced with a different or improved part
15. Reinstallation To reinstall align knob to shaft and push it in until it snaps CAUTION To prevent damage to the encoders located on the circuit board apply pressure to the encoders while pushing the knob on the shaft TDS5000B Series Service Manual 6 9 Removal and Installation Procedures Figure 6 1 Knob removal Trim and Carrying Handle 1 Locate module to be removed Locate the Trim in the locator diagram See Figure 6 2 page 6 13 Remove the carrying handle and the left side panel Use Figure 6 2 page 6 13 as a guide a Remove the two T 15 Torxdrive screws that secure the handle to the oscilloscope Remove the handle from the oscilloscope Remove the two T 15 Torxdrive screws from the bottom of the left side panel Slide the left side panel towards the rear of the oscilloscope allowing the tabs to clear the cover openings then pull out to remove the panel from the oscilloscope NOTE For many service operations you do not need to remove the left panel 3 Remove the right side panel Use Figure 6 2 page 6 13 as a guide a Remove the CDRW Drive trim by inserting a flat blade screwdriver in the bottom slot of the CDRW trim and gently prying the trim piece out of the side panel Pull the trim up and out from the oscilloscope Remove the two T 15 Torxdrive screws from the bottom of the oscilloscope that secure the right side panel TDS5000B Series Service Manual Removal and
16. S pununa NN NS jewwwwwwwwewy 88 o i X munn aus A VERT LPP Acquisition board Back of the instrument Figure 6 24 PC interface board removal 6 46 TDS5000B Series Service Manual Removal and Installation Procedures Acquisition Board 1 Locate module to be removed Locate the Acquisition board in the locator diagram Figure 6 6 on page 6 19 Additional modules to be removed Trim all Bottom cover 2 Orient the oscilloscope Set the oscilloscope so the top is down on the work surface and the bottom is facing up 3 Remove the Acquisition board See Figure 6 25 page 6 48 a Remove the seven T 15 Torxdrive screws that secure the bottom panel to the chassis Disconnect the three coaxial cables from the Acquisition board Disconnect the ribbon cable from the Acquisition board Remove the six T 15 Torxdrive screws that secure the board to the chassis Remove the six T 15 Torxdrive screws that secure the board to the front panel Grasp the Acquisition board on the edge near J1800 see Figure 6 25 and carefully pull the board up to disconnect J1800 Once you have cleared the connector remove the board from the chassis 4 Reinstallation a TDS5000B Series Service Manual When installing the Acquisition board set the board in place and align the J1800 halves using the guide pin Gently press the board into place to seat the connector bet
17. Table 5 5 DiAgnostic Commands Command Description DIAg STOP Terminates the execution of diagnostics TEST Selects and executes any item at any level of the test hierarchy TEST RESults Returns a brief pass or fail status of the last test execution TEST RESults VERBose Returns a more explanatory message about the results of the last test execution TEST STOP Terminates the execution of the test This command no query form determines whether the next execution of diagnostics will stop on the first diagnostic failure that occurs or will execute the selected set of diagnostic functions This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then enabling Halt on Fail DIAg CONTROL LOOP DIAg CONTROL HALT ON OFF lt NR1 gt ON enables the halt function causing the execution of diagnostics to halt at the first diagnostic failure that occurs OFF disables the halt function allowing the instrument to execute the entire set of diagnostics before halting even if a diagnostic failure occurs lt NR1 gt A 0 enables the halt function any other number disables the halt function DIAg CONTROL HALT ON This command enables the halt function causing the execution of diagnostics to halt at the first diagnostic failure that occurs TDS5000B Series Service Manual Commands DIAg CONTROL LOOP This command no query form determines whether the next execution of diagnostics executes onc
18. USB signals from the PC Interface board TDS5000B Series Service Manual 3 3 Theory of Operation 3 4 TDS5000B Series Service Manual By eee Performance Verification The performance verification procedures for this instrument are now available on the TDS5000B Series Product Software CD ROM Tektronix part number 063 3692 xx that shipped with your product Look for the TDS5000B Series Digital Phosphor Oscilloscopes Specifications and Performance Verification Technical Reference PDF available on this disk TDS5000B Series Service Manual 4 1 Performance Verification 4 2 TDS5000B Series Service Manual T eee Calibration Procedure This chapter describes a sample automatic calibration procedure for your oscilloscope The purpose of this procedure is to make internal configuration adjustments in the oscilloscope to help ensure its accuracy Calibration Interval The voltage and timing references inside the oscilloscope are very stable over time and should not need routine calibration adjustment Before performing the procedures in this chapter first verify that the oscilloscope does not meet specifications Refer to Performance Tests for a procedure to verify the specifica tions These tests are part of the TDS5000B Series Digital Phosphor Oscillo scopes Specifications and Performance Verification Technical Reference PDF available on the TDS5000B Series Product Software CD ROM Tektronix part number 063 3692 xx If per
19. a Disconnect cables J1 and J7 from the Display Adapter circuit board b Separate the assembly by carefully prying the outer Touch panel assembly from the inner Display assembly Insert a flat bladed screwdriver in the access notches to push out on the Touch panel assembly 6 26 TDS5000B Series Service Manual Removal and Installation Procedures Touch panel Access notches top and bottom D module Figure 6 11 Touch panel and Display assembly removal Display Adapter Board 1 TDS5000B Series Service Manual Reinstallation Do in reverse steps 1 through 5 to reinstall the Display assembly Locate module to be removed Locate the display adapter board in the locator diagram Internal Modules Figure 6 6 on page 6 19 Additional modules to be Removed m Trim front panel amp top m Display assembly Remove the Display Adapter Board See Figure 6 12 pages 6 28 a Disconnect cables J1 J6 J5 and J7 from the Display Adapter board b Slide the connector clip if present off of J4 c Disconnect cable J4 from the Display Adapter board d Remove the three T 15 Torxdrive screws that secure the Display Adapter circuit board to the Display assembly Remove the Display Adapter from the assembly Reinstallation Do in reverse steps a through d to reinstall the board 6 27 Removal and Installation Procedures Display module Connector
20. accompanies your Operating System Restore CD should reinstalling system software become necessary The compact disc contains the files necessary to restore the Windows operating system and necessary drivers for the oscilloscope The Windows operating system and drivers are factory installed on the oscilloscope hard disk The compact disc serves as a backup in the event that you have to rebuild the hard drive You must restore the Windows operating system before you can install the oscilloscope firmware and other product software Application Installation Use the procedures that accompany your Product Software CD should reinstalling the oscilloscope application software become necessary The compact disc contains the files necessary to restore the oscilloscope application and other software for the oscilloscope TDS5000B Series Service Manual 2 5 Operating Information Operating Information Back Up User Files 2 6 Software Lock for Upgrades You can use the LockUpgrades utility to prevent users from installing unauthorized firmware upgrades on the instrument This utility requires that a user enter a password before an upgrade can be installed To use the utility run the LockUpgrades exe file and follow the on screen instructions The LockUpgrades exe file is in the following directory C Program Files Tektronix TekScope NOTE Using the Operating System Restore CD to reinstall the operating system resets the LockUpgrad
21. cable Standard tool driver connectors 5 0 Phillips screwdriver Screwdriver for removing small Standard tool Phillips screws CD floppy amp hard drive 6 Angle Tip Tweezers Used to remove front panel knobs Standard tool 7 3 1 inch open end wrench Used to remove the rear panel nut Standard tool posts 8 5 4 inch open end wrench Used to remove the rear panel nut Standard tool posts 9 MA 800G Soldering Aid Used to remove the front panel trim Standard tool TDSS5000B Series Service Manual Removal and Installation Procedures Procedures for External Modules The following procedures are found here and are listed in order presented Line cord 1 Front Panel Knobs 1 Line Cord Front Panel Knobs Trim all Bottom cover Left and Right covers Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the back is facing you Remove the line cord Pull the line cord away from the AC power connector Assemble equipment and locate modules to be removed Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the front is facing you Remove the knob s Grasp the knob you want to remove and pull it straight out from the front panel 1 4 inch to create some clearance between the base of the knob and the front panel Insert the angled tip tweezers between the knob and front panel and use them to remove the knob See Figure 6 1 on page 6 10
22. charge The preceding limitation shall not apply within the European Economic Area where products may be returned for warranty service to the nearest designated service depot regardless of the place of purchase In order to obtain service under this warranty Customer must provide the applicable office of Tektronix or its authorized representative with notice 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 defective product to the service center designated by Tektronix or its representative with shipping charges prepaid Tektronix or its representative shall pay for the return of the product to Customer Customer shall be responsible for paying any associated taxes or duties 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 consumables d to repair a product that has been modified or integrated with other products when the effect of such modification or
23. information on installing the rackmount kit Other Refer to the Application release notes on your product CD set for possible additional accessory installation information not covered in this manual NOTE We recommend that you plug USB devices directly into the USB connec tors on the oscilloscope chassis for improved reliability rather than connecting the devices serially in a chain If your mouse locks up disconnect and reconnect the USB connector to restore normal operation If the oscilloscope front panel and or touch screen do not respond press the On Standby switch for at least 5 seconds to cycle power WARNING Before installing accessories to connectors mouse keyboard etc power off the oscilloscope See Powering Off the Oscilloscope on page 2 4 TDS5000B Series Service Manual Operating Information Description Icon Label Locations Side panel Keyboard gt O O J m Parallel Port LPT LJ Video Extended SVGA OUT Desktop com1 com IOIOI O Q ln LAN USB Mouse C N 7 bn A A A Microphone in A Q Audio line out N Audio line in DAS GPIB GPIB IEEE STD j PORT L QO E Scope VGA Output SCOPE ONLY VGA OUT Trigger signal output AUX OUT Timebase reference input EXT REF CH 3 signal output
24. notified that the instrument is due for factory calibration CALibrate FACtory NOTify YEARs INFInite lt NR3 gt INFInite means whatever the specified maximum is for the instrument NRI set to a floating point value CALIBRATE FACTORY NOTIFY HOURS 1 5e0 sets the calibration notification time to 1 5 years CALIBRATE FACTORY NOTIFY HOURS might return CALIBRATE FACTORY NOTIFY HOURS 1 5e0 signifying that the calibration due notifier will be displayed 1 5 years after the last calibration CALibrate FACtory PREVious Syntax Example This command backs up the calibration steps one step so that the next CALi brate FACtory CONTInue command will repeat the factory calibration step that just finished Repeated CALibrate FACtory PREVious commands can back up as many calibration steps as desired at least until step one is reached The appropriate notifier with signal source information is displayed after the factory calibration step is adjusted CALibrate FACtory PREVious CALIBRATE FACTORY PREVIOUS backs up the calibration steps one step TDS5000B Series Service Manual 5 13 Commands CALibrate FACtory STARt Related Commands Syntax Example This command starts the factory calibration The factory calibration process consists of a series of steps Do not send any other commands that change the state of the oscilloscope until the calibration process is complete CALibrate FACtory ABOrt CALibrate FACt
25. of the first test failure that occurred DIAG RESults This query might return DIAg RESults indicating the diagnostic test was not run DIAg RESults VERBose This query only command returns a more explanatory message about the results of the last diagnostic or test execution that the DIAg RESults query This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress TDS5000B Series Service Manual 5 29 Commands Related Commands Syntax Example DIAg SELect ALL Related Commands Syntax Example DIAg SELect AREA Related Commands Syntax 5 30 DIAg RESults DIAg RESults VERBose DIAg RESults VERBose This query might return DIAG RESULTS VERBOSE DIAG ABORTED ERROR 15 in A2D Dmux 1 interconnects This command no query form selects all available diagnostics This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then choosing ALL from the Subsystem Area and Test pull down lists DIAg NAMe AREA DIAg NAMe SUBSYS DIAg NAMe TEST DIAg EXECUTE DIAg SELect ALL ALL DIAg SELect ALL ALL This command selects all available diagnostics This command no query form selects one of the available areas This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then choosing an Area f
26. pulse generator Video display clamp 013 0278 00 Power deskew fixture 067 1478 00 Extra front removable hard drive 065 0692 xx P5050 500 MHz 10x passive probe P5050 P6101B 15 MHz 1X passive probe P6101B P6158 20x low capacitance probe P6158 7 4 TDS5000B Series Service Manual Options and Accessories Table 7 4 Optional accessories cont Accessory Part number P6247 1 GHz differential probe P6247 P6243 1 GHz high speed active probe P6243 P6245 1 5 GHz high speed active probe P6245 P6248 1 7 GHz differential probe P6248 P6246 400 MHz differential probe P6246 TCP202 current probe TCP202 TCPA300 TCPA400 series current measurement systems TCPA300 TCPA400 CT1 CT2 and CT 6 high speed AC current probe CT 1 CT 2 CT 6 CT4 AC current probe 20 kA CT 4 AM5030S DC AC current measurement system AM5030S P6021 AC current measurement probe P6021 P6022 AC current measurement probe P6022 AMT75 1 GHz 75 adapter AMT75 P5200 high voltage differential probe P5200 P5205 high voltage differential probe P5205 P5210 high voltage differential probe P5210 P5100 high voltage probe P5100 P6015A high voltage probe P6015A P6158 3 GHz 20X low C probe P6158 P6243 1 GHz active probe P6243 P6245 1 5 GHz active probe P6245 P6247 1 GHz differential probe P6247 P6248 1 5 GHz differential probe P6248 P6246 400 MHz differential probe P6246 ADA400A differential preamplifier ADA400A P6701B optical electrical converter multimode P6701B P6703B opti
27. replaced required Software update required Front panel assembly No None Acquisition board Yes Boot ROM and authorization code PC Interface board No Boot ROM and authorization code PC motherboard assembly No Windows oscilloscope application Display panel or display system No None Power supply No None Interconnect boards No None Fans No None TDS5000B Series Service Manual 6 59 Troubleshooting BIOS Error Messages 6 60 Table 6 9 lists error messages displayed by the BIOS Table 6 9 BIOS Error messages Error message GA20 Error Explanation An error occurred with Gate A20 when switching to protected mode during the memory test Pri Master HDD Error Pri Slave HDD Error Sec Master HDD Error Sec Slave HDD Error Could not read sector from corresponding drive Pri Master Drive ATAPI Incompatible Pri Slave Drive ATAPI Incompatible Sec Master Drive ATAPI Incompatible Sec Slave Drive ATAPI Incompatible Could not read sector from corresponding drive Cache Memory Bad An error occurred while testing L2 cache Memory may be bad CMOS Battery Low The battery may be losing power Replace the battery soon CMOS Display Type Wrong The display type is different than what has been stored in CMOS Check Setup to make sure type is correct CMOS Check Sum Bad The CMOS checksum is incorrect CMOS memory may have been corrupted Run Setup to reset values CMOS Settings Wr
28. required Video merge will not work with other settings If you change the setting reboot 7 Onthe Settings tab of the desktop properties select Advanced and then the Performance tab Hardware Acceleration must be set to Full for video merge to work If you change the setting reboot TDS5000B Series Service Manual 6 55 Troubleshooting PC Interface and PC Motherboard Diagnostics The primary diagnostics for the oscilloscope are the power on diagnostics the PC diagnostic software and the oscilloscope diagnostics Procedures for running these diagnostics are described below Power On Diagnostics The power on diagnostics check the basic functionality of the oscilloscope at every power on If any failures occur at power on the screen displays the calibration and diagnostics property page Table 6 7 lists a subset of the power on tests Use the results of the tests to help you isolate problems to system modules The power on tests ensure that hardware is installed and can be accessed by the software The tests provide limited diagnostic information but do not provide any performance information The oscilloscope diagnostics provide more extensive tests than the power on diagnostics The power on tests check the generic hardware including the keyboard mouse memory CPU and associated peripherals The interrupt lines and trigger lines are also checked If there are no failures you can view the results of the tests in the Instrum
29. subsystem area and test This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress Related Commands DIAg NAMe DIAg NAMe SUBSYS DIAg NAMe TEST Syntax DIAg NAMe AREA Example DIAg NAMe AREA This query might return DIAG NAME AREA Memory indicating the selected area name of the currently selected diagnostic test DIAg NAMe SUBSYS This query only command returns the subsystem of the current diagnostic test This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress Related Commands DIAg NAMe DIAg NAMe AREA DIAg NAMe TEST Syntax DIAg NAMe SUBSYS Example DIAg NAMe SUBSYS This query might return DIAG NAME SUBSYS Acquisition indicating the subsystem name of the current diagnostic test TDS5000B Series Service Manual 5 27 Commands DIAg NAMe TEST Related Commands Syntax Example DIAg NUMITEMS Syntax Example 5 28 This query only command returns the name of the current diagnostic test This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress DIAg NAMe DIAg NAMe AREA DIAg N
30. that have distorted pins Carefully straight en pins as required to fit the socket using long nose pliers and reinsert firmly Ensure that straightening action does not crack pins causing them to break off TDS5000B Series Service Manual Maintenance Table 6 2 Internal inspection check list Cont Inspect for Repair action Wiring and cables Loose plugs or connectors Burned broken or frayed wiring 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 Cleaning Procedure Interior To clean the oscilloscope interior do the following steps 1 Blow off dust with dry low pressure deionized air approximately 9 psi 2 Remove any remaining dust with a lint free cloth dampened in isopropyl alcohol 75 solution and rinse with warm deionized water A cotton tipped applicator is useful for cleaning in narrow spaces and on circuit boards STOP If after doing steps 1 and 2 a module is clean upon inspection skip the remaining steps 3 Ifsteps 1 and 2 do not remove all the dust or dirt the oscilloscope may be spray washed using a solution of 75 isopropyl alcohol by doing steps 4 through 8 4 Gain access to the parts to be cleaned by removing easily accessible shields and panels see Removal and Installation Procedures 5 Spr
31. that secure the right side cover to the top and right sides of the chassis b Remove the right side cover CAUTION Take care not to bind or snag the covers on the oscilloscope internal cabling as you remove or install CAUTION To prevent damage to your instrument be sure to properly locate the black screw to reinstall the right side cover 3 Reinstallation Do in reverse steps a through b to reinstall the right side cover Be sure to properly locate the black screw if present see Figure 6 4 TDS5000B Series Service Manual 6 15 Removal and Installation Procedures e Note Be sure to reinstall this screw here do not use N another longer screw S Tab v g A S T 9S ar i S oe c BR gh n lt gt oN eu C x D LS lt i g Z R ii Sw gt I 2 DN l E m S80 Ese lt Right si ight side cover EE ok Moe az pM UR cs 15 a WW e Screws m Figure 6 4 Right side cover removal TDS5000B Series Service Manual Removal and Installation Procedures Printer Frame 1 Remove the printer frame See Figure 6 5 CD Rom Trim Right side panel Printer or accessory tray Top cover trim Top two rear feet Pouch Right side cover Orient the oscilloscope Set the oscilloscope so the rear is on the work surface and the front of the oscilloscope is facing you a Remove the four T 15 Torxdrive screws that secure the printer f
32. the last TEST execution than the TEST RESults query TEST TEST RESults TEST RESults VERBose TEST RESults VERBose might return TEST RESULTS VERBOSE DIAG ABORTED ERROR 15 in A2D Dmux 1 interconnects TDS5000B Series Service Manual 5 35 Commands TEST STOP Related Commands Syntax Example 5 36 This command no query form causes test or diagnostics execution to terminate at the end of the next low level test This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then clicking Abort DIAg STOP TEST STOP TEST STOP TDS5000B Series Service Manual Se aes Sample Calibration Program This section includes a listing of a sample calibration program It is written in Microsoft Visual Basic 6 Tektronix provides this listing as is with no warranties of any kind specifically excluding warranties of merchantability and fitness for a particular purpose Tektronix Inc assumes no liability of any kind for your use of this software Overview Find and initialize TDS5000B instrument Find and initialize CALIBRATOR instrument Wait required warmup time Setup SRQ TDS5000B OPC Sent TDS5000B CALibrate FACtory STARt While CalibratorArgs Query TDS5000B CALibrate FACtory STEPSTIMulus ne 0 0 0 0 0 END Do Program Calibrator CAlibratorArgs Send TDS5000B CALibrate FACtory Continue Wait SRQ TDS5000B if No SRQ or Query TDS5000B CALibrate FACtory STEP
33. 0 366 0835 00 174 4321 00 259 0155 01 650 4586 01 650 4224 00 650 4189 02 343 1676 00 671 5279 00 679 5244 00 104PWBR1 OBD 174 4892 00 D30 0156 01 10 9 Mechanical Parts List Modules Cont Fig amp index Tektronix part Serialno Serial no Mfr number number effective discont d Qty Name amp description code Mfr part number 26 119 6441 00 2 FAN TUBEAXIAL 12VDC 0 15A 1 8W 48CFM 2450RPM 30DBA 61058 FBAO9A12M 92MM X 92MM X 26MM W 7IN LEADS amp CONNECTO 27 174 4531 00 1 CABLE PRINTER 1DM20 174 4531 00 Figure 10 3 Modules 10 10 TDS5000B Series Service Manual Mechanical Parts List Drives Fig amp index number 4 1 2 15 16 17 18 Serial no discont d Serial no effective Tektronix part number 119 6873 01 174 0747 00 407 4951 00 174 4671 00 119 6833 00 407 4706 00 211 1079 00 174 4808 00 174 4881 00 211 1050 00 211 1081 00 407 4964 00 119 6839 00 103 0443 00 174 7671 00 441 2350 00 679 5705 00 065 0692 00 211 1081 00 407 4944 00 119 6832 00 211 1177 00 200 4848 00 407 4945 00 679 5654 00 TDS5000B Series Service Manual Qty Name amp description 1 DISK DRIVE WINCHESTER 3 5 IN 80GB 180GXP FAMILY IDE SINGLE PLATTER UDMA100 7200RPM 07N9685 SAFETY CONTROLLED SCREW MACHINE 6 32 X 0 188 PNH STL CDPL T 15 TORX DR BRKT MOUNTING HARD DISK DRIVE 050 ALUM CA ASSY SP ULTRA DMA ATA HARD DISK DRIVE I
34. 0 HZ IN 3 3V 16A 5V 26 PANEL ASSEMBLY FRONT 4 CH NO TS PANEL ASSEMBLY FRONT 2 CH PANEL ASSEMBLY FRONT 2 CH NO TS PANEL ASSEMBLY FRONT KNOB CAP 0 650 D SOFT FEEL COATING PC ABS BAYBLEND FR110 TEK SILVER GRAY KNOB CAP 0 425 DIA SOFT FEEL COATING PC ABS BAY BLEND FR110 TEK SILVER GRAY KNOB EPS PUSH BUTTON ENCODER SOFT FEEL COATING PC ABS BAYBLEND FR110 TEK SILVER GRAY CABLE ASSY FLAT FLEX 26POS 10 4L FRONT PANEL FLEX CIRCUIT POWER SWITCH W LED COMPONENT KIT DISPLAY MODULE TOUCH SCREEN COMPONENT KIT DISPLAY MODULE STANDARD MODULE ASSY DISPLAY MODULE TOUCH SCREEN CLAMP CABLE PC ABS ALLOY SILVER GREY CKT BD SUBASSY DISPLAY INTERFACE CKT BD SUBASSY DISPLAY INTERFACE TOUCH SCREEN POWER SUPPLY INVERTER BOARD FOR NEC 10 4 IN LCD CABLE ASSY SP RIBBON CPR 28 AWG 9 5 L 1X5 0 049CTR LZ SERIES MOLEX 50058 S CA ASSY SP RIBBON IDC 50 28 AWG 13 0L 2 X 25 0 039 CTR BOX MTE 30 GOLD X 2 X 25 0 039 CTR BOX MTE 30 GOLD RIVET SOLID 0 163 OD X 0 415 L PANEL RANGE HEAD STYLE NYLON Mfr code 80009 93907 060D9 TK6314 6Y440 0KB01 060D9 060D9 80009 80009 80009 80009 80009 060D9 80009 80009 80009 80009 80009 80009 80009 4T165 060D9 060D9 74594 Mfr part number 650 4317 00 ORDER BY DESC 174 4427 00 174 4514 00 MT16VDDT6464AG 265C4 OBD 174 4894 00 174 4807 00 671 5737 00 CVN300 96P01 A0 1 REV1B 614 1023 00 614 1024 00 614 1025 00 614 1026 00 366 0837 00 366 0836 0
35. 1 Remove the bottom covers See Figure 6 3 2 Orient the oscilloscope Set the oscilloscope so the top is down on the work surface and the bottom is facing you a Remove the two T 15 Torxdrive screws that secure the bottom cosmetic cover to the oscilloscope and remove the cover b Remove the seven T 15 Torxdrive screws that secure the bottom metal cover to the oscilloscope and remove the cover 3 Reinstallation Do in reverse steps a through b to reinstall the bottom covers Be sure to properly locate the 5 black screws if present see Figure 6 3 777 Bottom metal Cover T 15 Torxdrive screw 4 2 Bottom cosmetic cover Pa 4 Sem Pun mM TEE Um ls T 15 Black oxide Torxdrive CHR LES ON at screws 5 Note Be sure to B x A Pak 2 reinstall these screws here amp gt ir uz E Figure 6 3 Bottom cover removal TDS5000B Series Service Manual Removal and Installation Procedures Right Side Cover 1 Remove the right side cover See Figure 6 4 m Trim all m Bottom cover 2 Orient the oscilloscope Set the oscilloscope so the rear is on the work surface and the front of the oscilloscope is facing you NOTE All mounting screw holes are indicated by a star etched around the mounting hole except two that are marked with two tick marks Be sure to properly locate these screws to reinstall the right side cover a Remove the fourteen T 15 Torxdrive screws
36. 1164 00 200 4641 00 200 4661 00 10 7 Mechanical Parts List Figure 10 2 Inner panels TDS5000B Series Service Manual 10 8 Mechanical Parts List Modules Fig amp index number 3 1 2 13 14 15 16 17 18 19 Tektronix part number 650 4317 00 211 0738 00 174 4427 00 174 4514 00 039 0154 00 156 9442 00 211 1050 00 174 4894 00 174 4807 00 671 5737 00 119 6480 00 614 1023 00 614 1024 00 614 1025 00 614 1026 00 366 0837 00 366 0836 00 366 0835 00 174 4321 00 259 0155 01 650 4586 01 650 4224 00 650 4189 02 343 1676 00 671 5279 00 671 5244 00 119 6260 00 174 3618 00 174 4892 00 210 0164 00 Serial no effective Serial no discont d TDS5000B Series Service Manual Qty Name amp description 1 2 1 PRINTER THERMAL TDS5000 SERIES PRINTER SCREW MACHINE 6 32 X 0 625 PNH STL BLK ZI TORX CA ASSY SP DESCRETE CPD 20 18 AWG 8 0L 2 X 10 RCPT STR 2X10 BOTH ENDS CA ASSY SP GPIB RIBBON COMPUTER BOARD PENTIUM 4 CELERON BOARD UATX ASHLAND 2 1 MOTHER BOARD ASSY W O PROCESSOR D845GVAD2L IC MEMORY CMOS DDR SDRAM 64MEG X 64 512MEG 266MHZ CL 2 5 PC2100 MT16VDDT6464A DIMM184 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD T15 CABLE ASSY 4 PIN P4 POWER 9 5 L MOTHER BOARD TO INTERFACE CA ASSY ATX USB PLUS MISC TO DISPLAY CIRCUIT BD ASSY PC INTERFACE POWER SUPPLY 300W AC DC STANDARD ATX PC SUPPLY 90 132 180 264VAC 50 6
37. 436 0408 00 016 1935 00 200 4832 00 335 0303 00 211 0722 00 348 1685 00 407 4961 00 200 4639 00 200 4652 00 OBD 333 4388 00 333 4363 00 101 0158 00 PEM SOS 6143 4 200 4651 00 260 2746 00 200 4640 00 367 0528 00 407 4838 00 212 0213 00 200 4667 00 214 5003 00 ORDER BY DESC 10 5 Mechanical Parts List Nees d d Qoa aaa V e UU aen o lo oodo O e 7 me i 2 De fj Figure 10 1 External parts TDS5000B Series Service Manual 10 6 Mechanical Parts List Inner Panels Fig amp index number 2 1 2 3 4 5 1 1 1 1 c N 2 Tektronix part number 407 4822 00 211 1050 00 344 0591 00 200 4865 00 211 0747 00 390 1217 00 211 1164 00 200 4641 00 200 4661 00 Serial no effective Serial no discont d TDS5000B Series Service Manual Qty Name amp description 1 8 1 BRACKET VGA SCREW MACHINE 6 32 X 0 312 L PNH STL CAD T15 CLIP CABLE 0 050 AL COVER TOP PRINTER TRAY 0 050 AL SCREW MACHINE 6 32 X 0 188 PNH STL CDPL T 15 TORX DR CABINET TOP 0 05 ALUMINUM SCREW MACHINE 6 32 X 0 25 L PNH T15 BLACK OXIDE COVER BOTTOM AL COVER BOTTOM COSMETIC 0 040 AL W BLACK VINYL ONE SIDE Mfr code TK1943 0KB01 TK1943 TK1943 0KB01 1WNW6 0KB01 TK1943 0J9P9 Mfr part number 407 4822 00 211 1050 00 344 0591 00 200 4865 00 211 0747 00 390 1217 00 211
38. 5 to reinstall the motherboard assembly TDS5000B Series Service Manual 6 43 Removal and Installation Procedures VGA bracket Motherboard e assembly Pouch bracket Power cord gt retainer 4 T 15 Torxdrive gt screw 4 T 15 Torxdrive screw 9 Figure 6 23 Motherboard removal 6 44 O DOKO screw 2 Front of the instrument Rear View Front View Motherboard assembly Ss 9 9 Disconnect from the PC interface board Disconnect from the motherboard 2 Se T 15 Torxdrive SaS S X screw 6 Motherboard Io AS Sk Rass Disconnect SD S amp S O amp SAs 8 from the S SDD YSI Bos o motherboard QU Boe 3 9 REN 9 9 TDS5000B Series Service Manual Removal and Installation Procedures PC Interface Board 1 Locate module to be removed Locate the PC interface board in the locator diagram Internal Modules Figure 6 6 on page 6 19 Note the location of cables and cable connectors see Figure 6 16 on page 6 32 board Doing this helps ensure correct alignment of the 125 pin connector l CAUTION Before installing the PC interface board fully install the acquisition between the acquisition board and the PC interface board Additional modules to be removed Trim all Right side cover Hard drive assembly Floppy disk drive CDRW drive assembly
39. 6 0 Q 00 07079070 o0 0 0 S o 9 9 LJ C JCS Auxiliary Y trigger input Channelinputs Ground terminal Probe comp output Figure 2 4 Locations of input output connectors on the front panel Figure 2 5 shows the input output connectors on the rear panel Rear panel i Al Sm EXT REF AUX OUT SIGNAL OUT scale and offset controlled by CH3 controls Figure 2 5 Locations of connectors on the rear panel TDS5000B Series Service Manual Operating Information Front Panel Controls Map Many of the oscilloscope functions can be controlled directly from the front panel controls or in conjunction with the screen interface Use these buttons to start and stop acquisition or start a single acquisition sequence The ARM READY and TRIG D lights show the acquisition status Turn knob to adjust waveform intensity Press button to turn Fast Acquisition on or off Use these knobs and buttons to set the trigger parameters Push ADVANCED to display additional trigger functions Press to turn cursors on or off Press to make a hard copy Press to return settings to default values Horizontally scale position delay and set record length resolution of selected waveform Press to automatically
40. 6 62 Oscilloscope appears dead dead screen no beeps Passes all Acquisition board tests defective Flat panel Install VGA display OK monitor Yes F If the oscilloscope Application is not Move monitor already running start it from the to SVGA port Start menu RoS selling dm Pe Reinstall oscilloscope nterface Riser boar Oscilloscope ba user Application starts Do If the Oscilloscope Application Does Not Work on page 6 55 Bad PC Interface Display Adapter or Inverter board Loose connections Bad PC Interface board External Possible cause monitor 1 Monitor cable defective or not blank if 3 connected to oscilloscope present 2 External monitor controls turned down 3 Defective monitor BIOS error See BIOS error message code Table 6 9 on page 6 60 Figure 6 26 Primary troubleshooting tree 6 52 TDS5000B Series Service Manual Troubleshooting Isolating to a Board if If the instrument will not power on you can isolate the problem by observing the Power Will Not Come Up specific symptoms and comparing them to those listed below If the mains power cord is connected and the oscilloscope is not on power supply is in standby mode 5 V will be present on pin 9 of P1 the power supply connector If 5 V is not present replace the power supply If the PSON signal on J1100 pin 2 is low t
41. ACCESSORY KIT BASIC CONCEPTS MANUAL amp SOFTWARE DEVELOPMENT KIT OPEN CHOICE SOLUTIONS 1 MANUAL TECH QUICK START REF ERENCE ENGLISH TDS5000B SERIES 1 MANUAL TECH QUICK START REFERENCE JAP ANESE TDS5000B SERIES Mfr code TK1373 TK1373 TK2541 3109 TK6253 TK1373 TK6372 TK2565 TK2548 80009 TK2548 TK2548 TK2548 Mfr part number 161 0104 05 ORDER BY DESCRIPTION ORDER BY DESCRIPTION ORDER BY DESCRIPTION 92 2637 250BKH 161 0104 00 161 0104 08 161 A005 00 200 4651 XX 020 2434 00 020 2450 XX 020 2476 XX 063 3609 XX 020 2513 XX 071 1355 XX 071 1356 XX 10 15 Mechanical Parts List Accessories Cont Fig amp index Tektronix Serial no Serial no Mfr number partnumber effective discontd Qty Name amp description code Mfr part number 071 1357 XX 1 MANUAL TECH QUICK START REF TK2548 071 1357 XX ERENCE FRENCH TDS5000B SERIES 071 1358 XX 1 MANUAL TECH QUICK START REFERENCE GER TK2548 071 1358 XX MAN TDS5000B SERIES 071 1359 XX 1 MANUAL TECH QUICK START REF TK2548 071 1359 XX ERENCE KOREAN TDS5000B SERIES 071 1360 XX 1 MANUAL TECH QUICK START REFERENCE SIMPLIFIED TK2548 071 1360 XX CHINESE TDS5000B SERIES 071 1361 XX 1 MANUAL TECH QUICK START REFERENCE TRADITIONAL TK2548 071 1361 XX CHINESE TDS5000B SERIES 071 1401 XX 1 MANUAL TECH QUICK START REFERENCE RUS TK2548 071 1401 XX SIAN TDS5000B SERIES 119 6936 00 1 POINTER ASSY MOUSE USB WHITE OPTI
42. ACtory FANcontrol TDS5000B Series Service Manual 5 11 Commands This query might return CALIBRATE FACTORY FANCONTROL 1 indicating that calibration is in process CALibrate FACtory NOTify DUE Syntax Returns Example This command returns whether the factory calibration is due CALibrate FACtory NOTify DUE 0 lt NR1 gt means that the oscilloscope is not due for factory calibration 1 lt NR1 gt means that the oscilloscope is due for factory calibration CALIBRATE NOTIFY DUE might return CALIBRATE FACTORY NOTIFY DUE 0 signifying that factory calibration is not due CALibrate FACtory NOTify HOURs Syntax Argument Example 1 Example 2 5 12 This command sets or returns the number of hours until the user is notified that the instrument is due for factory calibration CALibrate FACtory NOTify HOURs INFInite lt NR1 gt INFInite means whatever the specified maximum is for the instrument NRI set to an integer value CALIBRATE NOTIFY HOURS 1500 sets the calibration notification time to 1 500 hours CALIBRATE FACTORY NOTIFY HOURS might return TDS5000B Series Service Manual Commands CALIBRATE FACTORY NOTIFY HOURS 2000 signifying that the calibration due notifier will be displayed 2000 hours after the last calibration CALibrate FACtory NOTify YEARs Syntax Argument Example 1 Example 2 This command sets or returns the number of years until the user is
43. AMe SUBSYS DIAg NAMe TEST DIAg NAMe TEST This query might return DIAG NAME TEST diagDataFormatConf indicating the test name of the current diagnostic test This query only command returns the number of items on the currently selected level of test hierarchy which ranges from 1 through 15 This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress DIAg NUMITEMS DIAg NUMITEMS This query might return DIAG NUMITEMS 7 indicating the number of items on the currently selected level of test hierarchy TDS5000B Series Service Manual Commands DIAg RESults Related Commands Syntax Example 1 Example 2 Example 3 This query only command returns an abbreviated status about the results of the last diagnostic or test execution For a more explanatory status message use the DIAg RESults VERBose query This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress DIAg RESults VERBose DIAg RESults DIAg RESults This query might return DIAG RESULTS 135 indicating the specific failure code of the first test failure that occurred DIAG RESults This query might return DIAG RESULTS Pass indicating the specific failure code
44. As Integer On Error Resume Next opc 0 count 0 While opc lt gt 1 And count lt 1000 Sleep 1000 strOPC StrOPC TvcScope Query OPC If Len strOPC 0 Then opc Asc strOPC Asc 0 Else opc 0 End If count count 1 Wend If count gt 10 Then Debug Print OPC happened after amp count amp seconds End If If opc lt gt 1 Then Debug Print Timed out trying to get OPC on tekScope tekScopeOPC False Else tekScopeOPC True End If Function sets the WaveTek 9500 to default mode ate Sub resetWaveTek Dim count As Integer Dim opc As Integer Dim strOPC As String Dim esr As Integer TvcWaveTek WriteString CLS TvcWaveTek WriteString RST count 0 StrOPC TvcWaveTek Query OPC If Len strOPC 0 Then opc Asc strOPC Asc 0 Else opc 0 TDS5000B Series Service Manual Sample Calibration Program End If While opc lt gt 1 And count lt 20 Sleep 1000 StrOPC TvcWaveTek Query OPC If Len strOPC 0 Then opc Asc strOPC Asc 0 Else opc 0 End If count count 1 Wend If opc lt gt 1 Then Debug Print Unable to reset calibrator Exit Sub Else Sleep 1000 esr TvcWaveTek Query ESR If esr lt gt 0 Then Debug Print Non zero event status after RST from waveTek 9500 amp ESR returned amp esr End If End If srcGrounded False End Sub Sets the WaveTek 9500 signal to the needed value for th
45. B01 0KB05 1WNW6 80009 Mfr part number 174 0747 00 407 4951 00 F2N1107 18INCH 407 4706 00 10310188 0 174 4808 00 174 4881 00 OBD 211 1081 00 407 4964 00 CD W224E A93 E951073 10A F2N1107 18INCH 441 2350 00 065 0692 00 211 1081 00 407 4944 00 08K0633 211 1177 00 200 4848 00 407 4945 00 679 5654 00 10 11 Mechanical Parts List Figure 10 4 Drives TDS5000B Series Service Manual 10 12 Mechanical Parts List Acquisition assembly Fig amp index Tektronix Serial no Serial no Mfr number partnumber effective discontd Qty Name amp description code Mfr part number 5 1 671 5738 00 1 CKT BD SUBASSY ACQUISITION TDS5104 80009 671 5738 00 671 5739 00 1 CKT BD SUBASSY ACQUISITION TDS5054 TDS5034B 80009 671 5739 00 TDS5054BE 671 5740 00 1 CKT BD SUBASSY ACQUISITION TDS5052 TDS5032B 80009 671 5740 00 2 211 1050 00 6 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD T15 0KB01 OBD 3 174 2729 00 1 CABLE ASSY COAX RFP 50 OHM 5 5 L PELTOLA BOTH ENDS 060D9 174 2729 00 4 174 2637 00 1 CABLE ASSY RF 50 OHM COAX 7 0 L PELTOLA BOTH ENDS 060D9 174 2637 00 5 175 8029 00 1 CABLE ASSY RF 50 OHM COAX 12 0 L PELTOLA X PELTOLA 060D9 175 8029 00 6 131 1315 01 3 CONN RF JACK BNC PNL 50 OHM PELTOLA REAR PNL 24931 28JR306 1 WITH HARDWARE 7 174 4483 00 1 CABLE ASSY FLEX 20 COND PROBE INTERFACE 1DM20 174 4483 00 8 679 5209 00 1 CKT BD SUBASSY PROBE INTERFACE 80009 679 5209 00 TDS5000B Seri
46. CAL THREE D66 00029 BUTTON WHEELED W USB TO PS2 ADAPTER ABS OPTIONAL ACCESSORIES 118 9402 00 1 KEYBOARD ASSY 83 KEY NOTEBOOK KEYBOARD IBM AT 01963 G84 4100PRAUS OR PS 2 COMPATIBLE GRAY 071 1362 XX 1 MANUAL TECH SERVICE TDS5000B TK2548 071 1362 XX 016 1946 XX 1 Kit RACKMOUNT OPTION 1R 80009 016 1946 XX 655 4920 00 1 MODULAR KIT PRINTER STAND ALONE 80009 655 4920 00 10 16 TDS5000B Series Service Manual
47. DE 18 0 L DISK DRIVE USB FLOPPY 3 5 INCH 1 44MB 0 5 INCH TWO SIDED DOUBLE DENSITY BRACKET FLOPPY DRIVE 6 064 X 5 075 ALUMINUM SCREW MACHINE 2 6 X 0 45 MM 3 0L PNH STL PHILLIPS CA ASSY USB 2 0 DUAL HEAD 16 0 L CABLE ASSY 4 PIN P4 POWER 7 5 L MOTHER BOARD TO INTERFACE SCREW MACHINE 6 32 X 0 312 L PNH STL CAD T15 SCREW MACHINE M3 X 0 5 X 3 5MM FLAT WAFER HD W SERRATIONS STRESS RELIEVED PHL 0 0002 STL ZI PLT BRACKET ASSY CD RW DISK DRIVE 0 050 AL DISK DRIVE OPTICAL CD RW 5 25 SLIM IDE 24X 24X 10X 650 700MB 110MS CD W224E A93 ADAPTER FOR CD ROM DRIVE SLIMLINE IDE INTERFACE CONNECTOR FOX CONN HL149207 OR EQUILIADAPTER FOR CD ROM DRIVE SLIMLINE IDE INTERFACE CONNECTOR FOX CONN HL149207 OR CA ASSY SP ULTRA DMA ATA HARD DISK DRIVE IDE 18 0 L BRACKET REMOVABLE HD BOTTOM GAL XC STEEL IDE1 ADAPTER BOARD DRIVE ASSEMBLY REMOVEABLE HARD DISK DRIVE TDS5000B SERIES MIN REPLACEABLE HARD DRIVE W O SOFTWARE INSTALLE SCREW MACHINE M3 X 0 5 X 3 5MM FLAT WAFER HD W SERRATIONS STRESS RELIEVED PHL 0 0002 STL ZI PLT BRACKET REMOVABLE HD BOTTOM GAL XC STEEL DISK DRIVE WINCHESTER 2 5 IN 40 GB IDE ATAPI 6 4200 RPM 9 5MM SINGLE PLATER SCREW THUMB CAPTIVE 6 32X 750 STAINLESS STEEL COVER FHD REMOVEABLE BRKT SUPPORT REMOVABLE HD TOP GAL XC STEEL HDD ADAPTER PTTHON Mfr code 1WNW6 68167 TK1943 0KB01 060D9 060D9 0KB01 0KB01 1WNW6 50356 50356 68167 1WNW6 80009 0KB01 1WNW6 62786 0K
48. DON AVE PO BOX 1448 CAMDEN NJ 08103 1DM20 PARLEX CORP 7 INDUSTRIAL WAY SALEM NH 03079 1WNW6 ACCRA FAB INC 23201 E APPLEWAY LIBERTY LAKE WA 99019 22670 GM NAMEPLATE INCORPORATED 2040 15TH AVE WEST SEATTLE WA 98119 2783 24931 FCI BERG ELECTRONICS INC RF COAXIAL DIV 2100 EARLYWOOD DR FRANKLIN IN 46131 PO BOX 547 34649 INTEL CORPORATION 3065 BOWERS PO BOX 58130 SANTA CLARA CA 95051 8130 46628 LOGITECH INC 6505 KAISER DR FREMONT CA 94555 47165 NEC ELECTRONICS INC 2880 SCOTT BLVD SANTA CLARA CA 95052 2554 PO BOX 58062 50356 TEAC AMERICA INC 7733 TELEGRAPH RD PO BOX 750 MONTEBELLO CA 90640 6537 52833 KEY TRONIC CORPORATION N 4424 SULLIVAN RD PO BOX 14687 SPOKANE WA 99214 0687 61058 MATSUSHITA ELECTRIC CORP OF AMERICA PANASONIC INDUSTRIAL CO DIV SECAUCUS NJ 07094 TWO PANASONIC WAY 68167 BELKIN COMPONENTS 1303 WALNUT PARKWAY COMPTON CA 90220 6Y440 MICRON SEMICONDUCTOR PRODUCTSINC 8000 S FEDERAL WAY PO BOX 6 BOISE ID 83707 0006 74594 COMPONENT RESOURCES INC BUSSMAN PARTS C O CASEY LAKEY BEAVERTON OR 97006 14525 SW WALKER ROAD 7X318 KASO PLASTICS INC 5720 C NE 121ST AVE STE 110 VANCOUVER WA 98682 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500 BEAVERTON OR 97077 0001 93907 CAMCAR DIV OF TEXTRON INC ATTN ALICIA SANFORD 516 18TH AVE ROCKFORD IL 611045181 S3109 FELLER U S CORPORATION 68 VERONICA AVE UNIT 5 SOMERSET NJ 08873 S5769 NEC CORPORATION NEC BUILDING 7 1 SHIBA 5 CHOME TOKYO JP 108 MINATO KU TK0588 UNIVERSAL PRECISION PR
49. Librate INTERNal STATus query to return the current status of the internal signal path calibration of the instrument Syntax CALibrate INTERNal STARt Example CALIBRATE INTERNal STARt This command starts the internal signal path calibration of the instrument CALibrate INTERNal STATus This query only command returns the current status of the instrument internal signal path calibration for the last SPC operation Syntax CALibrate INTERNal STATus Returns This query will return one of the following W INIT indicating that the instrument has not had the internal signal path calibration run m PASS indicating that the signal path calibration completed successfully m FAIL indicating that the signal path calibration did not complete successfully m WARMUP indicating that the instrument has not warmed up for the required time to perform signal path calibration 5 16 TDS5000B Series Service Manual Commands Example m TEMPDRIFT indicating that the instrument has not reached a state of stable temperature adequate for performing signal path calibration m RUNNING indicating that the signal path calibration is currently running CALIBRATE INTERNal STATus This query might return INIT indicating that the internal signal path calibration has not been run CALibrate PRObestate CH lt x gt Related Commands Syntax Arguments Returns Example CALibrate RESults This query only command returns the status of the
50. ODUCT 1775 NW CORNELIUS PASS RD HILLSBORO OR 97124 TK1373 PATELEC CEM 10156 TORINO VAICENTALLO 62 456 ITALY TK1943 NEILSEN MANUFACTURING INC 3501 PORTLAND RD NE SALEM OR 97303 TK2250 ARROW ELECTRONICS INC 9500 SW NIMBUS AVE BLDG E BEAVERTON OR 97008 7163 TK2539 ROYAL CASE COMPANY INC 315 S MONTGOMERY PO BOX 2231 SHERMAN TX 75070 TK2541 AMERICOR ELECTRONICS LTD UNIT H 2682 W COYLE AVE ELK GROVE VILLAGE IL 60007 TK2548 XEROX CORPORATION 14181 SW MILLIKAN WAY BEAVERTON OR 97005 TK2565 VISION PLASTICS INC 26000 SW PARKWAY CENTER DRIVE WILSONVILLE OR 97070 TDS5000B Series Service Manual Mechanical Parts List Manufacturers cross index cont Mfr code Manufacturer Address City state zip code TK2582 TUFF CAT USA LLC 814 N HAYDEN MEADOWS DRIVE PORTLAND OR 97217 TK6159 ARROW RICHEY ELECTRONICS ARROW RICHEY VALUE ADDED BEAVERTON OR 97005 3601 SW MURRY BLVD SUITE 60 TK6253 VOLEX INTERCONNECT INC 646 CARRIBEAN DR SUNNYVALE CA 94089 1108 TK6314 MCX INC 1315 OREGON AVE KLAMATH FALLS OR 97601 6540 10 4 TDS5000B Series Service Manual Mechanical Parts List External Parts Fig amp index Tektronix part Serialno Serial no number number effective discont d 10 1 1 200 4669 00 200 4668 00 2 436 0408 00 3 016 1935 00 4 200 4832 00 5 355 0303 00 6 211 0722 00 7 348 1685 00 8 407 4961 00 9 200 4639 00 10 200 4652 00 11 211 1050 00 12 333 4388 00 333 4363 00 13 101 0158 00 101 0163 00 ieS Ae
51. PC motherboard primary PCI bus This is useful when Windows will not start The PC Interface board components on the PC motherboard primary PCI bus are the 21152 transparent bridge and the 69000 video adapter CR710 PAI load error LED M a CR700 Hard disk 4 qr ar CMM PAI loading activity LED Reset button JP1100 Forced Power on Figure 6 29 Location of jumpers and reset button TDS5000B Series Service Manual 6 63 Troubleshooting 6 64 Grounding TP1103 forces the transparent bridge and all components on the L2 PCI bus into reset Ground TP1103 to determine if the instrument will boot to Windows If Windows forces a safe boot mode be sure to keep TP1103 grounded until Windows is fixed in safe mode and can be booted up into normal mode Once Windows can be booted into normal mode unground TP1103 and reset the unit This will enable the bus line previously grounded by TP1103 Grounding TP1102 resets the 69000 video adapter Note neither the PC Interface board VGA port or the LCD will function if TP1102 is grounded Use the PC motherboard SVGA port see Figure 6 30 on page 6 65 This requires a configuration change in the BIOS To enter the BIOS setup utility do the following 1 Restart Windows while holding down the F2 key 2 Select Video Configuration from the Advanced Menu 3 Set the Primary video adapter to AGP 4 Exit the BIOS setup and save the changes If TP1102 is grounded before the video config
52. PR PRN PR N N NJN NPR PRL N TDS5000B Series Service Manual 6 57 Troubleshooting PC Diagnostic Software If the oscilloscope passes all the BIOS tests and Windows boots the primary tree calls for you to run PC diagnostic software such as QAPlus Win Use a comprehensive diagnostic software application to check and verify the operation of the PC hardware in the oscilloscope To run the diagnostic software you must have a working keyboard a working mouse or other pointing device is optional and have the Windows operating system running Repair or replace any failed component identified by the diagnostic software NOTE To run PC diagnostic software you must have either a working keyboard or a working mouse or other pointing device and Windows running To run the PC diagnostic software do the following steps 1 From the File menu select Exit Exit all other applications and exit all windows Install and start the PC diagnostic software Click OK and select the tests you want to perform Ui E eg 9 To restore the oscilloscope to normal operating condition reboot the oscilloscope after the diagnostic tests are complete Oscilloscope Diagnostics If the oscilloscope passes all the tests the primary tree calls for you to run the oscilloscope Diagnostics The oscilloscope Diagnostics are a comprehensive software test that checks the functionality of the oscilloscope If the oscilloscope Diagnostics test fails
53. Power supply Motherboard assembly 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the top panel is facing you 3 Remove the PC interface board See Figure 6 24 on page 6 46 a b Disconnect the two cables from the PC interface board Remove the six T 15 Torxdrive screws that secure the PC interface board to the chassis CAUTION Do not remove the screw next to J1800 See Figure 6 24 on page 6 46 The screw secures an indexing pin used to align the J1800 connectors together c Grasp the PC interface board near J1800 see Figure 6 24 and carefully pull the board up to disconnect J1800 Once you have cleared the connector remove the board from the chassis 4 Reinstallation a TDS5000B Series Service Manual When installing the PC interface board set the board in place and align the J1800 halves using the guide pin Gently press the board into place to seat the connector between the PC interface board and the acquisition board 6 45 Removal and Installation Procedures b Install the six T 15 Torxdrive screws that secure the PC interface board to the chassis c Connect the two cables to the PC interface board Disconnect from the PC interface board g lt T 15 Torxdrive screw 6 Guide pin located V on the back of the Do not board remove this screw V Interface board Disconnect from the PC interface board
54. S5000B Series Service Manual Options and Accessories Table 7 2 Instrument upgrades Cont TDS5UP upgrade Description Option IF Service installation of selected options When ordering a TDS5Up upgrade kit you must order at least one option Accessories This section lists the standard and optional accessories available for this oscilloscope Standard The accessories shown in Table 7 3 are shipped with the oscilloscope Table 7 3 Standard accessories Accessory Part number The TDS5000B Series Digital Phosphor Oscilloscopes Quick Start User Manual English Option L0 071 1355 xx French Option L1 071 1357 xx German Option L3 071 1358 xx Japanese Option L5 071 1356 xx Korean Option L9 071 1359 xx Simplified Chinese Option L7 071 1360 xx Traditional Chinese Option L8 071 1361 xx Russian Option L10 071 1404 xx Getting Started with OpenChoice Solutions Manual with CD 020 2513 xx TDS5000B Series Product Software CD ROM includes application 063 3692 xx online help TDS5000B Series Online Programmer Guide GPIB online help and PDF Performance Verification PDF release notes VISA information TDS5000B Series Operating System Restore CD ROM 063 3693 xx Optional Applications Software for Tektronix Windows Based TDS 020 2450 xx Instruments CD ROM and manuals The TDS5000B Series Digital Phosphor Oscilloscopes Specifications 071 1420 xx and Performance Verification a PDF file on the TDS5000B series P
55. STAtus ne PASS Send TDS5000B CALibrate FACtory ABOrt Abort Calibration Procedure if Query TDS5000B CALibrate FACtory STATus ne PASS Notify operator of FAILURE Notify operator of SUCCESS TDS5000B Series Service Manual 5 37 Sample Calibration Program Listing VERSION 5 00 Object DFEBODA3 D648 11D4 9C5F EA48B7E9393D 1 0 0 tvc ocx Begin VB Form frmMain AutoRedraw 1 True Caption Calibrator for TDS5000B ClientHeight 4884 ClientLeft 48 ClientTop 324 ClientWidth 8184 LinkTopic Forml ScaleHeight 4884 ScaleWidth 8184 StartUpPosition 3 Windows Default Begin TVCLib Tvc TvcWaveTek Left 3600 Top 2760 _Version 65536 _ExtentX 847 _Extenty 847 _StockProps 0 VisaDescriptor GPIBO 1 INSTR Timeout 10000 End Begin TVCLib Tvc TvcScope Left 2400 Top 2760 Version 65536 _ExtentX 847 ExtentY 847 _StockProps 0 VisaDescriptor GPIBO 1 INSTR Timeout 10000 End Begin VB CommandButton cmdPlay Caption Start Calibration Enabled 0 False Height 492 Left 600 TabIndex 5 ToolTipText Start Calibration Top 4080 Width 1572 End 5 38 TDS5000B Series Service Manual Sample Calibration Program Begin VB TextBox txtSignal BeginProperty Font Name Size Charset Weight Underline Italic Strikethrough EndProperty Height Left Locked TabIndex ToolTipText Top Width End Luc
56. Series Digital Phosphor Oscilloscopes Quick Start User Manual 071 1355 xx m Getting Started with OpenChoice Solutions Manual with CD 020 2513 xx wm TDS5000B Series Product Software CD 063 3692 xx Includes application online help TDS5000B Series Programmer Online Guide GPIB online help and PDF Performance Verification PDF release notes VISA information m TDS5000B Series Operating System Restore CD 063 3693 xx m Optional Applications Software for Windows Based Oscilloscopes 020 2450 xx Phone 1 800 833 9200 Address Tektronix Inc Department or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA Web site www tektronix com Sales support 1 800 833 9200 select option 1 Service support 1 800 833 9200 select option 2 Technical support Email support tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p m Pacific time This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices TDS5000B Series Service Manual EEE EEE Specifications The specifications for this instrument are now available on the TDS5000B Series Product Software CD ROM 063 3692 xx that shipped with your product Look for the TDS5000B Series Digital Phosphor Oscilloscopes Specifications and Performance Verification Technical Reference PDF available on
57. Service Manual Tektronix TDS5000B Series Digital Phosphor Oscilloscopes 071 1362 01 This document applies to firmware version 1 00 and above 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 www tektronix com 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 Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix 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 this product proves defective during its warranty period Tektronix at its option will either repair the defective product without charge for parts and labor or provide a replacement in exchange for the defective product This warranty applies only to products returned to the designated Tektronix depot or the Tektronix authorized representative from which the product was originally purchased For products returned to other locations Customer will be assessed an applicable service
58. ate PRObestate CH lt x gt Syntax CALibrate CALProbe CH x Returns 1 indicating that the probe calibration failed for the selected channel 0 indicating that the probe calibration passed for the selected channel 1 indicating that the probe calibration is initialized for the selected channel TDS5000B Series Service Manual 5 9 Commands Examples CALibrate FACtory Syntax Example CALibrate CALProbe CH2 might return CALIBRATE CALPROBE CH2 0 indicating that the probe calibration passed for Channel 2 This command starts the factory calibration This command functions the same as the CALibrate FACtory STARt command CALibrate FACtory CALIBRATE FACTORY starts the factory calibration CALibrate FACtory ABOrt Related Commands Syntax Example This command stops the factory calibration resets to the initialization state and exits without changing the calibration data CALibrate FACtory S TARt CALibrate FACtory ABOrt CALIBRATE FACTORY ABORT stops the factory calibration CALibrate FACtory CONTInue This command does the next step in the calibration procedure The calibration step number is increased on successful completion of this step If the calibration step fails the step number is not increased You can use CALibrate FACto ry CONTinue to repeat a factory calibration step that failed Follow this command with CALibrate FACtory STEPstatus to determine execution status TDS5000B Serie
59. ay wash dirty parts with the isopropyl alcohol and wait 60 seconds for the majority of the alcohol to evaporate 6 Use hot 120 F to 140 F deionized water to thoroughly rinse them 7 Dry all parts with low pressure deionized air 8 Dry all components and assemblies in an oven or drying compartment using low temperature 125 F to 150 F circulating air Lubrication There is no periodic lubrication required for this oscilloscope TDS5000B Series Service Manual 6 5 Maintenance 6 6 TDS5000B Series Service Manual Sa a a Removal and Installation Procedures Preparation A This subsection contains procedures for removal and installation of all mechani cal and electrical modules 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 the oscilloscope components read Installation in Section 2 and Preventing ESD in this section This subsection contains the following items m This preparatory information that you need to properly do the procedures that follow m List of tools required to remove all modules W Procedures for removal and reinstallation of the electrical and mechanical modules m A disassembly procedure for removal of all the major modules from the oscilloscope at one time and for reassembly of those modules into the oscilloscope Instructions for doi
60. block diagram 9 2 Figure 10 1 External parts ccc cece cece cece ee eee 10 6 Figure 10 2 Inner panels 0 cece ccc c cece cer eeeeeee 10 8 Figure 10 3 Modules 0 cece cece cece eee c hr hne 10 10 Figure 10 4 Drives cece ccc cece eee hh hne 10 12 Figure 10 5 Acquisition assembly eee 10 14 Figure 10 6 Accessories ccc cece cece eee e rh nnn 10 15 TDS5000B Series Service Manual V Table of Contents List of Tables Table 2 1 Additional accessory connection information 2 2 Table 5 1 Calibration required for module replaced 5 1 Table 5 2 Required equipment and materials 5 2 Table 5 3 GPIB devices required by test program 5 5 Table 5 4 CALibrate commands eee 5 7 Table 5 5 DIAgnostic Commands eeeeeeeeees 5 19 Table 6 1 External inspection checklist esee 6 3 Table 6 2 Internal inspection checklist eee 6 4 Table 6 3 Tools required for module removal 6 8 Table 6 4 Failure symptoms and possible causes 6 49 Table 6 5 Power supply voltages eene 6 54 Table 6 6 Acquisition board voltages eee 6 54 Table 6 7 Power on diagnostic tests leere 6 56 Table 6 8 Action required for module replaced 6 59 Table 6 9 BIOS Error messages c cece eee c e
61. cal electrical converter single mode P6703B AFTDS differential signal adapter AFTDS TDS5000B Series Service Manual 7 5 Options and Accessories 7 6 TDS5000B Series Service Manual E a Electrical Parts List The modules in this instrument are made up of mechanical and electrical subparts All replaceable modules are listed in Section 10 Mechanical Parts List Refer to this section for a list of the replaceable parts TDS5000B Series Service Manual 8 1 Electrical Parts List 8 2 TDS5000B Series Service Manual a 7 Diagrams This section describes the electrical operation of the TDS5000B Digital Oscilloscope using the major circuit blocks Figure 9 1 on page 9 2 shows the oscilloscope module interconnections Symbols Graphic symbols and class designation letters are based on ANSI Standard Y32 2 1975 Abbreviations are based on ANSI Y1 1 1972 Logic symbology is based on ANSI IEEE Std 91 1984 in terms of positive logic Logic symbols depict the logic function performed and can differ from the manufacturer s data The tilde preceding a signal name indicates that the signal performs its intended function when in the low state Other standards used in the preparation of diagrams by Tektronix Inc are m Tektronix Standard 062 2476 Symbols and Practices for Schematic Drafting m ANSI Y14 159 1971 Interconnection Diagrams Wm ANSI Y32 16 1975 Reference Designations for Electronic Equipment m MIL HDBK 63038 1A
62. ced Video Configuration menu lets you select PCI LCD or AGP the PC motherboard port on the upper side panel The lower VGA port on the side panel is the PCI video port driven by the same video controller as the LCD Booting Into Windows If the oscilloscope will not boot press F8 to enter the start up menu and boot to the command prompt If you can boot to the command prompt use the MSDOS Edit program to edit the autoexec bat file to run the CMOS restore utility see Update Restore the PC Motherboard CMOS on page 6 66 If booting starts finds the hard disk but hangs at the Windows splash screen 1 Select the AGP video port using the setup menu 2 Disconnect the PC motherboard from the PC Interface board 3 Ifthe system boots It will only boot to Windows the oscilloscope applica tion will not run to the external PC motherboard video port replace the PC Interface board Ifthe Oscilloscope If the oscilloscope boots into Windows but the oscilloscope application does not Application Does Not work the DPO Man graphic is displayed check the following Work 1 The application software 2 The Acquisition board 3 The PC Interface board 4 Did someone exit the application using the Task Manager and then try to reenter the application without rebooting m If the relays click the acquisition is running 6 Check the desktop properties right click on the desktop and select Proper ties On the Settings tab 16 bit is
63. cilloscope into the menu bar mode m Select Instrument Diagnostics from the Utility menu Run the diagnostics m First disconnect any input signals from all four channels m Click the Run button in the diagnostics control window Wait for the diagnostics to complete The internal diagnostics do an exhaustive verification of proper oscilloscope function This verification may take several minutes to complete When the verification is finished the resulting status will appear in the diagnostics control window Verify that no failures are found If any failures occur use the DIAG RE SULTS VERBOSE query for details on the errors Run the Signal Path Compensation NOTE The oscilloscope must be warmed up to operating temperature Signal Path Compensation is not valid until the oscilloscope Calibration Status reaches Temp status Select Instrument Calibration from the Utility menu Verify that the instrument has had a twenty minute warm up before continuing Click the Calibrate button to start the routine Wait for the test to complete the test may take several minutes to complete Verify that the word Pass appears under the Status label in the control window TDS5000B Series Service Manual Operating Information Using the Online Help The user manual represents only part of the assistance available to you the online help system integrated as part of the oscilloscope user interface provides qu
64. clip ha Inverter L4 board Lf A 7 z Display A adapter board we A T 15 Back view Torxdrive screw 3 Figure 6 12 Display adapter board removal On Standby Switch Power 1 Locate module to be removed Locate the On Standby Switch power flex Flex Circuit Removal circuit in the locator diagram Internal Modules Figure 6 6 page 6 19 Additional modules to be removed m Trim front panel m Display assembly 2 Orient the assembly Set the display adapter so the back is down on the work surface and the front is facing you 3 Remove the On Standby Switch power flex circuit See Figure 6 13 on page 6 29 a Peel the On Standby switch power flex circuit away from the front of the display assembly b Disconnect the flex circuit from J7 on the Display Adapter circuit board c Grasp the flex circuit and pull it out of the Display assembly 4 Reinstallation Do the following procedure to reinstall the On Standby Switch a Remove the protective backing on the power flex circuit 6 28 TDS5000B Series Service Manual Removal and Installation Procedures b Slide the connector end of the power flex circuit through the slot in the Display assembly Make sure the flex circuit connector aligns with J7 on the Display Adapter circuit board c Align the holes in the power flex circuit to the two index posts on the front side of the Display assembly d Firmly press the flex circuit to th
65. corner of the screen using both monochrome and color adapters If the POST completes normally the BIOS issues one short beep before passing control to the operating system Table 6 10 Beep codes Beeps Description Refresh failure Parity cannot be reset First 64 K memory failure Timer not operational Not used 8042 Gate A20 cannot be toggled Exception interrupt error Display memory R W error O l OINI DI oa n Not used e CMOS shutdown register test error Invalid BIOS for example POST module not found etc PC Interface LEDs When the oscilloscope is powered on the PAI Loading and the Load Error LEDs CR700 and CR710 will turn on momentarily and then turn off The hard disk activity can be monitored by observing the status of CR520 6 62 TDS5000B Series Service Manual Troubleshooting Troubleshooting Using Reset Circuits The PC Interface board uses a combination of removable jumpers and test points to manipulate circuit reset for troubleshooting There are two PCI busses on the PC Interface board the PC motherboard primary PCI bus and the L2 PCI bus A hardware fault on any of these busses can prevent Windows from starting properly PC Interface Board PC Motherboard 69000 Video Adapter Figure 6 28 The PCI busses By grounding test points TP1102 or TP1103 see Figure 6 29 you can selective ly remove components from the
66. de and number of acquisitions trigger status date and time File Edit Yertwal Horiz Acq Trig Display Cursors Measure Masks Math Tek Utilities Help Buttons Menu Click to Stor toggle between tool bar curst Pas and menu bar modes Multipurpose Knob 616 045 Readouts Adjust parameters controlled by multipurpose knobs Run Sample E ul Display Live reference amp math g waveforms display here along F vit with cursors HHH EE HEHE HEH ka I HI I HH I H Readouts Display L cursor readouts and Waveform Handle Click and drag to F measurement change vertical position of waveform L readouts in this area Click the handle and change the selectable from the position and scale using the menu bar or toolbar multipurpose knobs If a control menu is chisel La mitii ii tiih 1 0rnY Ch2 S00m M 400us Controls Status Quick reference to xs f ipee e f War displayed these A Ch 50r heat d and Meca readouts move to the selections scale and parameters graticule area Figure 2 3 User interface TDS5000B Series Service Manual 2 7 Operating Information 2 8 Front Panel I O Map Rear Panel I O Map Figure 2 4 shows the input output connectors and floppy disk drive location Front panel lt Floppy disk drive 0 C 00 000 0 o doe 010 00e c co 0 0000 e ce 0 00
67. dicates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entries indicates the part is good for all serial numbers This indicates the quantity of parts used An item name is separated from the description by a colon Because of space limitations an item name may sometimes appear as incomplete Use the U S Federal Catalog handbook H6 1 for further item name identification This indicates the code of the actual manufacturer of the part Code to name and address cross reference is located after this page This indicates the actual manufacturer s or vendor s part number Abbreviations conform to American National Standard ANSI Y1 1 1972 TDS5000B Series Service Manual Mechanical Parts List Mfr Code to Manufacturer Cross Index Manufacturers cross index The following table cross indexes codes names and addresses of manufacturers or vendors of components listed in the parts list Mfr code Manufacturer Address City state zip code 060D9 TENSOLITE COMPANY 3000 COLUMBIA HOUSE BLVD SUITE 120 VANCOUVER WA 98661 0J9P9 GEROME MFG CO INC PO BOX 737 403 NORTH MAIN NEWBERG OR 97132 0KB01 STAUFFER SUPPLY CO 810 SE SHERMAN PORTLAND OR 97214 4657 0KB05 NORTH STAR NAMEPLATE INC 5750 NE MOORE COURT HILLSBORO OR 97124 6474 01963 CHERRY ELECTRICAL PRODUCTS CO 3600 SUNSET AVENUE WAUKEGAN IL 60087 3214 12136 PHC INDUSTRIES INC 1643 HAD
68. e Display assembly chassis surface Display assembly Power flex circuit 9 l C ts Front view 0 i Display adapter board BE ka ME D ead view Figure 6 13 Power flex circuit removal TDS5000B Series Service Manual 6 29 Removal and Installation Procedures Floppy Disk Drive 1 Locate modules to be removed Locate the Floppy Disk Drive in the locator diagram Internal Modules Figure 6 6 page 6 19 Additional modules to be removed m Trim front panel m Cover top 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the front panel is facing you 3 Remove the floppy disk drive Use Figure 6 14 as a guide A 0 Phillips screwdriver is required for this procedure a Remove the cable from the back of the floppy disk drive b Remove the two T 15 Torxdrive screws that secure the floppy disk drive assembly to the chassis Floppy drive cable T 15 Torx screw 2 Figure 6 14 Floppy disk drive assembly removal c Remove the two small Phillips screws that secure the floppy disk drive assembly to the bracket 6 30 TDS5000B Series Service Manual Removal and Installation Procedures d Remove the floppy drive from the bracket Floppy drive bracket So 0 Phillips screw 2 Floppy drive Figure 6 15 Floppy disk drive removal 4 Re
69. e GPIB interface hardware in the PC has to be able to act as a GPIB controller Original Author Tektronix Inc ion Explicit strEndOfCal As String The token string produced by tekScope when calibration is finished devFound As Boolean Has the GPIB devices been found before calInitDone As Boolean Has the tekScope been told that we are going to do factory calibration calPassedLastStep As Boolean use to allow one retry on a cal step srcGrounded As Boolean tracks if the WaveTek is set in Ground mode reqVolts As Double voltage needed for the next step reqChannel As Integer channel needed for the next step reqFreq As Double frequency needed for the next step reqTermination As Double termination in Ohms needed for the next step reqStepName As String name of the next step stepNumber As Integer cal step number calFailed As Boolean did calibration fail ubroutine to scan for the devices needed ekScope and waveTek devices should be found or we won t be able to complete alibration of the oscilloscope vate Sub findDevices Dim i As Integer Dim dev As Variant Dim strResult As String Dim strGPIBtekscope As String name of tekScope GPIB connection Dim strGPIBwavetek As String name of WaveTek GPIB connection 5 40 TDS5000B Series Service Manual Sample Calibration Program If devFound False Then only need to find the device names once strGPIBwavetek strGPIBtekscope txtSignal Text Pleas
70. e next cal step Private Sub setWaveTek Dim strCommand As String TvcWaveTek WriteString OUTPUT OFF If reqVolts gt 2 9 Then make sure we won t get an overload error TvcWaveTek WriteString ROUTE SIGNAL IMPEDANCE 1000000 End If Select Case reqFreq Case 0 Debug Print use amp reqVolts amp DC signal on channel amp reqChannel amp _ term amp reqTermination amp ohms TvcWaveTek WriteString SOUR FUNC SHAPE DC If reqVolts 0 Then strCommand SOUR PAR DC GROUND ON srcGrounded True Else If srcGrounded True Then srcGrounded False strCommand SOUR PAR DC GROUND OFF TvcWaveTek WriteString strCommand End If strCommand SOUR VOLTAGE amp reqVolts TDS5000B Series Service Manual 5 43 Sample Calibration Program End If TvcWaveTek WriteString strCommand strCommand ROUTE SIGNAL PATH CH amp reqChannel TvcWaveTek WriteString strCommand strCommand ROUTE SIGNAL IMPEDANCE amp reqTermination TvcWaveTek WriteString strCommand Case 4 Debug Print use deskew signal TvcWaveTek TvcWaveTek TvcWaveTek TvcWaveTek TvcWaveTek TvcWaveTek SOUR FUNC SHAPE SKEW SOUR PAR SKEW ALIG PREC SOUR FREQ FIX 1000000 ROUT SIGN SKEW CH1 ON ROUT SIGN SKEW CH2 ON ROUT SIGN SKEW CH3 ON WriteString WriteString WriteString WriteString WriteString WriteString ROUT SIGN SKEW CH4 ON ROUT SIGN SKEW CH5 ON TvcWaveTek TvcWaveTek Case Else Debug Print u
71. e or continuously loops on the selected set of diagnos tics assuming the halt control is set to off using the DIAg CONTROL HALT command or that the halt control is set to ON but no failures occur This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then enabling Loop Control Related Commands DIAg CONTROL HALT DIAg STOP Syntax DIAg CONTROL LOOP ON OFF NR1 Arguments ON enables the loop function causing the execution of diagnostics to continu ously loop OFF disables the loop function causing the oscilloscope to execute the entire set of diagnostics once and then halt lt NR1 gt A 0 enables the loop function any other number disables the loop function Examples DIAg CONTROL LOOP ON This command enables the loop function DIAg EXECUTE This command no query form starts the execution of the currently selected set of diagnostics This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then pressing Run Related Commands DIAg STATE Syntax DIAg EXECUTE Example DIAg EXECUTE This command starts the execution of the selected set of diagnostics TDS5000B Series Service Manual 5 21 Commands DIAg ITEM Related Commands Syntax Arguments Example This query only command returns all the data associated with a particular menu item This command is equivalent to selecting Instrument Diagnostics from the Utili
72. e td e OR Rosie co eu e ate NR ee hc Re ed 3 3 Performance Verification Calibration Procedure Calibration Intetval as ce xe ce E E es 5 1 Calibration Environment 0 cece cece ee 5 1 Calibration Dependencies 0 0 eee cece eee 5 1 Calibration After Repair 2 0 cee ec nen 5 1 Required Equipment 5e rc dk ne ete aie gins ere le el Wale vegeta we 5 2 Overview of the Procedure 0 ce cece cece eee 5 3 Instr mentation Setup ici aves phe hi bare e bus gies wre ele eR ores 5 3 Calibration Program Installation and Execution 0000 5 5 Calibration Program Operation eg ia haa EE AERE eee cee 5 5 Command i 22 inso aa A Rake ie ER ES RE VR AEROS R ERES ES 5 7 Calibration Command Group 0 eee eee 5 7 Diagnostics Command Group 2 ccc cece eens 5 19 Sample Calibration Program ccc cece cece cece cece 5 37 OVENI EW ason taa Beaded wh dee ion Sr RM RS Dao the s og aee reed 5 37 Listing os die wre ate SG EPOOPSPOSU SL S PEROSPSE EE RE E T E 5 37 Maintenance Preventing ESD ie ee mp e m eR RR UI e ded m rende oe s 6 1 Inspection and Cleaning osiris a eiri AORE eee eens 6 2 General Care sacks aoe Ca ea Rd bet RUM 6 2 Interior Cleaning 0 0 eee cece eee III 6 2 Exterior Cleaning 2 22 ci eee kata mie a p dub E PEE 6 2 Removal and Installation Procedures cceeceeeeees 6 7 Preparatton so deo yoda s erEDPOUE OU EP TIPS I CU IH Ep E RE pg 6 7 Procedures for Exter
73. e wait Initializing TvcScope SearchCriterion 0 search all devices get detected VISA devices dev TvcScope FindList populate devices listbox If IsArray dev Then For i LBound dev To UBound dev If Left dev i 4 GPIB Then stOutput AddItem dev i End If Next End If Set to first GPIB device since no internal device found For i 0 To IstOutput ListCount 1 If Left IstOutput List i 4 GPIB Then stOutput ListIndex i TvcScope Descriptor lstOutput Text strResult TvcScope Query IDN Debug Print strResult If Left strResult 14 TEKTRONIX TDS5 Then strGPIBtekscope lstOutput Text lstOutput AddItem tekScope is amp strResult End If If Left strResult 16 Wavetek Ltd 9500 Then strGPIBwavetek lstOutput Text stOutput AddItem Wavetek is amp strResult End If End If Next If strGPIBtekscope Then MsgBox failed to find TekScope End End If TvcScope Descriptor strGPIBtekscope If strGPIBwavetek Then MsgBox failed to find WaveTek 9500 End End If TvcWaveTek Descriptor strGPIBwavetek txtSignal Text TekScope Ready devFound True lstOutput ListIndex lstOutput ListCount 1 TDS5000B Series Service Manual 5 41 Sample Calibration Program End End If Sub Function to wait for Operation Complete to happen from the tekScope Priv End Re Priv 5 42 ate Function tekScopeOPC As Boolean Dim opc As Integer Dim strOPC As String Dim count
74. ed by their settings TDS5000B Series Service Manual Theory of Operation Side Panels The hard drive and CD ROM provide access to stored waveform data and software to customize your oscilloscope with your measurement needs The GPIB port allows for external control of the oscilloscope You can make hardcopies on the GPIB RS 232 and Centronics ports The PC Interface board includes a VGA connector for an external monitor to display the oscilloscope screen The PC motherboard has two USB ports and one serial port on the side panel A microphone input and earphone output exist on the PC motherboard The Ethernet connector is RJ 45 Keyboard and mouse are both PS 2 Power Supply X The power supply is a switching power converter with active power factor control It supplies power to all of the circuitry in the oscilloscope The ON STBY switch located on the front panel controls all of the power to the oscilloscope except for part of the circuitry in the standby power supply The power supply sends a Good signal to the processor system when the power supply voltages are within specifications Power is distributed through the PC Interface board and the Disk Drive Adapter board connectors Fans The fan assembly provides forced air cooling for the oscilloscope The fans are controlled by the microprocessor Printer The optional internal thermal printer allows for quick hard copies of the screen display The printer receives power and
75. ee nnn 6 60 Table 6 10 Beep codes ccc cece cece cece cece eee nnn 6 62 Table 7 1 Instrument options cc cece cece ween nnn 7 1 Table 7 2 Instrument upgrades eene 7 2 Table 7 3 Standard accessories c cece cece e eee eevees 7 3 Table 7 4 Optional accessories cc cece cece cece evens 7 4 vi TDS5000B Series Service Manual ae eae General Safety Summary 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 While using this product you may need to access other parts of the system Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system To Avoid Fire or Use Proper Power Cord Use only the power cord specified for this product and Personal Injury certified for the country of use Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source 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 All Terminal Ratings To a
76. ent Diagnostics page under the Utilities menu Table 6 7 Power on diagnostic tests Component Group amp test Power on Extended Processor Memory DRAM Walk1 w Memory DRAM Cell nw Memory DRAM March w Memory NVRAM PCI Bus Scan Registers PAI Display Registers Display Acquisition Registers DAC Registers Demux Registers Preamp Registers PLL Registers ADC Memory MemData Memory MemAddr N N NININ ON PR PRAY Memory DataFormat N N NININ NO N N N INJN NPR PRY LYN Memory MemSpeed 6 56 TDS5000B Series Service Manual Troubleshooting Table 6 7 Power on diagnostic tests Cont Component Group amp test Power on Extended Acq Modes SubSample al Acq Modes PeakDetect nw Acq Modes HiRes nw Interrupt Bit Tests al HF Step PhaseCal Demuxes InstaVuXY Vertical 500hmOvid Vertical ADC Connects PLL Clock Freq Trigger Registers GTL Registers HITL Registers ExtTvTrg TrgLvlComp LogicComp1 TrgLvlComp LogicComp2 TrgLvlComp LogicComp3 TrgLvlComp LogicComp4 GTL TlCounters GTL GTLBigCntrs HITL ChiEdge HITL AfterDBE HITL AfterDBT HITL Slewrate HITL LineTrig HITL HITL Extended Glitch Extended PulseWidth Nibble Bus Misc GPIB Interface N N NININ PL PRR PLP LPR NPR PR LPR YR NPL PRY LYN N N NININ RPL PR LPL NON N L
77. error is followed by an address On Board Parity Error A parity error occurred in onboard memory This error is followed by an address Parity Error A parity error occurred in onboard memory at an unknown address NVRAM CMOS PASSWORD cleared by Jumper NVRAM CMOS and passwords have been cleared The system should be powered off and the jumper removed lt CTRL_N gt Pressed CMOS is ignored and NVRAM is cleared User must enter Setup TDS5000B Series Service Manual 6 61 Troubleshooting BIOS Beep Codes When an error occurs during the power on self test POST the BIOS displays an error message describing the problem The BIOS also issues a beep code one long tone followed by two short tones during POST if the video configuration fails a faulty video card or no card installed or if an external ROM module does not properly checksum to zero An external ROM module for example a video BIOS can also issue audible errors usually consisting of one long tone followed by a series of short tones For more information on the beep codes check the documentation for the device There are several POST routines that issue a POST terminal error and shut down the system if they fail Before shutting down the system the terminal error handler issues a beep code see Table 6 10 signifying the test point error writes the error to I O port 80h attempts to initialize the video and writes the error in the upper left
78. es Service Manual 10 13 Mechanical Parts List ion assembly Acquisit Figure 10 5 TDS5000B Series Service Manual 10 14 Mechanical Parts List Figure 10 6 Accessories Accessories Fig amp index Tektronix Serialno Serial no number partnumber effective discont d 6 1 161 0104 05 161 0104 06 161 0104 07 161 0167 00 161 0306 00 161 0104 00 161 0104 08 161 A005 00 200 4651 XX 020 2434 00 020 2450 XX 020 2476 XX 063 3609 XX 020 2513 XX 071 1355 XX 071 1356 XX TDS5000B Series Service Manual Qty Name amp description STANDARD ACCESSORIES 1 CA ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER OPTION A3 AUSTRALIA 1 CA ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER OPTION A1 EUROPEAN 1 CA ASSY PWR 3 1 0MM SQ 240V 10A 2 5 METER FUSED 13A FUSE OPTION A2 UNITED KINGDOM 1 CA ASSY PWR 3 0 75MM SQ 250V 10A 2 5 METER OPTION A5 SWITZERLAND 1 CA ASSY PWR 3 1 0MM SQ 250V 10A 2 5 M OPTION AC CHINA 1 CABLE ASSY PWER 3 18 AWG 92 L STANDARD CABLE NORTH AMERICA 1 CABLE ASSY PWR 3 18 AWG 250 10A 98 0 L RTANG IEC320 RCPT X STR NEMA 6 15P US NORTH AMERICA 240V 1 CABLE ASSY PWR JAPANESE T MARK 1 COVER FRONT PC ABS ALLOY BAYBLEND FR110 TEK BLUE 1 ACCESSORY KIT DUAL JEWEL CASE W BLANK CD R CD RW 1 ACCESSORY KIT OPTIONAL APPLICATIONS SOFTWARE 1 30 DAY EVALUATION COPY OF LABVIEW 30 DAY EVALUATION COPY OF MATLAB 1
79. es V Sys tem Tools ScanDisk m Using Microsoft MSDOS enter SCANDISK drive SURFACE AUTOFIX 6 66 TDS5000B Series Service Manual Troubleshooting TDS5000B Series Service Manual If ScanDisk will not repair the disk format the hard disk drive using the File Utilities Format command Format will destroy all data currently on the disk If reformatting the hard disk and reloading the software will not repair the disk install a new hard disk drive 6 67 Troubleshooting 6 68 TDS5000B Series Service Manual a ees Repackaging Instructions This section contains the information needed to repackage the oscilloscope for shipment or storage Packaging When repacking the oscilloscope for shipment use the original packaging If the packaging is unavailable or unfit for use contact your local Tektronix representa tive to obtain new packaging Seal the shipping carton with an industrial stapler or strapping tape Shipping to the Service Center Contact the Service Center to get an RMA return material authorization number and any return or shipping information you may need If the oscilloscope is being shipped to a Tektronix Service Center enclose the following information m The RMA number m The owner s address m Name and phone number of a contact person m Type and serial number of the oscilloscope m Reason for returning A complete description of the service required Mark the address of the Tektr
80. es utility to the default setting and allows firmware upgrades without password protection This section covers basic operation information so that you can operate and prepare to service the instrument You should always back up your user files on a regular basis Use the Microsoft Backup tool to back up files stored on the hard disk The Backup tool is located in the System Tools folder in the Accessories folder 1 Minimize the oscilloscope application by selecting Minimize from the File menu 2 Select the Windows Start button point to Programs Accessories System Tools and then click Backup 3 Use the Microsoft Backup tool to select your backup media and to select the files and folders that you want to back up Use the online help for informa tion on using the Backup tool You can back up to the floppy drive CDRW drive or to your network storage TDS5000B Series Service Manual Operating Information User Interface Map This section shows the main parts of the user interface Figure 2 3 shows the oscilloscope in the Menu bar mode All features of the oscilloscope can be accessed through the menus using a mouse or the optional touch screen When the oscilloscope is in the Toolbar mode most of the control windows can be accessed by touching buttons at the top of the display Menu Bar Access to data I O printing online help system and oscilloscope functions here Status Bar Display of acquisition status mo
81. essage strMessage amp reqTermination amp Ohms End If stepStrLen 2 stepStr If Left reqStepName 3 SO1 Then stepStrLen 24 stepStr long operation End If If Left reqStepName 3 DO1 Then stepStrLen 10 stepStr wait J End If txtSignal Text amp String stepNumber amp stepStr amp String 110 stepNumber step StrLen amp J txtSignal Refresh stepNumber stepNumber 1 If Left reqStepName 3 SO1 Then stepNumber stepNumber 23 End If If Left reqStepName 3 DO1 Then stepNumber stepNumber 9 End If stOutput AddItem Provide the following signal amp strMessage lstOutput ListIndex lstOutput ListCount 1 stOutput Refresh End Sub Subroutine turns on the correct buttons for the current mode of operation at the end of the calibration step Private Sub turnOnButtons cmdPlay Enabled True cmdExit Enabled True End Sub TDS5000B Series Service Manual 5 45 Sample Calibration Program Subroutine to turn off the buttons that will not work during the current calibration step Private Sub turnOffButtons cmdPlay Enabled False cmdExit Enabled False End Sub Subroutine to handle the Exit button This button is only available during single step mode or before calibration has started Private Sub cmdExit Click End End Sub Subroutine to handle the Next step Private Sub cmdNextStep Dim
82. esting to the area level DIAg LEVEL This query might return DIAG LEVEL SUBSYS indicating that the current level of diagnostic test hierarchy is Subsys TDS5000B Series Service Manual 5 25 Commands DIAg LOOPS Syntax Example DIAg NAMe Related Commands Syntax Example 5 26 This query only command returns the number of times that the selected diagnostics set was completed during the last diagnostic execution This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Elapsed Count This command can be issued while diagnostics are still in progress DIAg LOOPS DIAg LOOPS This query might return DIAG LOOPS 5 indicating that the selected set of diagnostics was completed 5 times during the last diagnostic execution This query only command returns the names of the subsystem area and test of the current diagnostic test This query can be issued while diagnostics are still in progress DIAg NAMe AREA DIAg NAMe SUBSYS DIAg NAMe TEST DIAg NAMe DIAg NAMe This query might return DIAG NAME SUBSYS Processor AREA Memory TEST DRAMWalkl This indicates the subsystem name area name and test name of the currently selected diagnostic test TDS5000B Series Service Manual Commands DIAg NAMe AREA This query only command returns the selected area of the current diagnostic test There are three levels of diagnostic test hierarchy
83. g might also be required to correct some faults Under those circumstances you will need the test equipment listed in the Specifications and Performance Verification Technical Reference Tektronix part number 071 1420 xx See www tektronix com for the latest version of this manual Fault Isolation Procedure Follow the primary troubleshooting tree in Figure 6 26 on page 6 52 for fault isolation This tree calls for you to run the diagnostics programs and check for BIOS errors TDS5000B Series Service Manual 6 51 Troubleshooting 1 See If the Oscilloscope Will Not Boot on Windows page 6 55 boots 2 See Booting Into Windows on page 6 55 3 Boot to Safe Mode and restore the registry 4 Consult the Run PC diagnostic software troubleshooting section see PC diagnostic software of your Microsoft r on page 6 58 Windows manual Possible cause 5 See Troubleshooting 1 ea Fea Using Reset Circuits on Oscilloscope COS MO REHURS D page 6 63 powers on 2 Failed fuse fans run 3 Do Isolating to a Board Passes all Note It is normal for PC If Power Will Not Come tests diagnostic software to Up on page 6 53 report an audio failure Repair replace failed part identified by PC diagnostic Possible cause software and run PC 1 DIMMs incorrectly diagnostic software again Yes i ieci Beeps installed or missing Run oscilloscope diagnostics see 2 Defective PC motherboard page 6 58 for instructions 3 Check beep codes on No page
84. ge 5 37 Put the program in an appropriate location such as a folder labeled c programfiles tds5000b TDS5000B Series Service Manual E Commands This section supports the GPIB commands with command definitions syntax return messages and examples The commands are divided into two groups CALibrate and DIAGnostic Calibration Command Group The calibration commands provide information about the current state of calibration Table 5 4 lists the CALibrate commands and descriptions and examples follow the table Table 5 4 CALibrate commands Command CAL CAL CALibrate CALProbe CH lt x gt Description Instructs the instrument to perform self calibration Returns the internal and factory calibration status and the calibration due date Instructs the instrument to perform a probe calibration CALibrate FACtory CALibrate FACtory ABOrt CALibrate FACtory CONTInue CALibrate FACtory NOTify DUE CALibrate FACtory NOTify HOURs CALibrate FACtory NOTify YEARs CALibrate FACtory PREVious CALibrate FACtory STARt CALibrate FACtory STATus CALibrate FACtory STEPSTATus CALibrate FACtory STEPSTIMulus CALibrate INTERNal Start the factory calibration Stop the factory calibration without changing the cal file Do the next step in the calibration procedure Return whether the factory calibration is due Set or return the number of hours until the user is notified that the instrument is due for factory calibrat
85. gure 6 22 on page 6 41 a Remove the four T 15 Torxdrive screws that secure the power supply to the back of the chassis b Remove the T 15 Torxdrive screw that secures the power supply to the right side of the chassis c Move the power supply towards the back of the instrument to access the cables and unplug the two power supply cables from the PC interface board d Lift the power supply away from the chassis and guide the cables out 4 Reinstallation Do in reverse steps a through d to reinstall the power supply E T 15 Torxdrive md screw 4 ESI pe A WC e Power supply p Right side of o XS the instrument Sa ON Sef LQ Te cs T 15 Torxdrive N screw 1 Disconnect from the PC interface board Disconnect from the PC interface board Figure 6 22 Power supply removal TDS5000B Series Service Manual 6 41 Removal and Installation Procedures 6 42 Motherboard 1 Locate module to be removed Locate the motherboard in the locator diagram Internal Modules Figure 6 6 on page 6 19 Note the location of cables and cable connectors see Figure 6 16 on page 6 32 Additional modules to be removed m Trim all m Bottom cover m Left and Right covers m Power Supply 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the top panel is facing you 3 Remove the motherboard assembly See
86. he item was not run DIAg ITEM SUBITEMS Related Commands Syntax 5 24 This query only command returns the number of sub items associated with the item This command is equivalent to selecting Instrument Diagnostics from the Utilities menu choosing the Subsystem Area or Test setting and then reviewing the resulting sub items This query can be issued while diagnostics are still in progress DIAg ITEM DIAg ITEM NAMe DIAg ITEM FAILURES DIAg ITEM RESULT DIAg ITEM SUBITEMS lt NR1 gt TDS5000B Series Service Manual Commands Arguments Example DIAg LEVEL Syntax 1 Syntax 2 Arguments Example 1 Example 2 lt NR1 gt sets the index item about which data will be returned which ranges from 0 through 15 DIAg ITEM SUBITEMS 2 This query might return DIAG ITEM SUBITEMS 2 8 This indicates that there are 8 sub items associated with the selected item 2 This command sets or returns the currently selected level of diagnostic test hierarchy This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status DIAg LEVEL SUBSYS AREA TEST DIAg LEVEL This query form of the command can be issued while diagnostics are still in progress SUBSYS sets diagnostic testing to the subsystem level AREA sets diagnostic testing to the area level TEST sets diagnostic testing to the test level DIAg LEVEL AREA sets the diagnostic t
87. he oscilloscope interprets this signal as an indication that the power is on If the PSON signal is high measure the resistance from J510 pin 50 to ground and J520 pin 6 to ground while depressing the ON STBY button on the front panel If the resistance measures less than 500 ohms in either test replace the PC motherboard If the oscilloscope powers on momentarily an over current condition exists Remove boards one at a time to locate a fault the display disk drive adapter board acquisition board and the PC motherboard If you remove the PC motherboard you must jumper the forced power on pins see Figure 6 27 The PC Interface board is required for power to come up If removing the boards did not find the problem replace the power supply TP1103 CR710 PAI load error LED d CR700 Hard disk JR PA loading activity LED LED Reset button JP1100 Forced Power on Figure 6 27 Location of jumpers and reset button TDS5000B Series Service Manual 6 53 Troubleshooting 6 54 Checking the Power Supply Voltages To check the power supply voltages power on the oscilloscope and connect the reference lead of a digital voltmeter to chassis ground Measure the power supply voltages with the voltmeter and compare each reading to the values listed in the tables If the voltages are within about 5 of the nominal voltages your power supply is functional The pins that carry power supply voltages are listed in Tab
88. he oscilloscope to avoid damaging them CAUTION Keep the bottom and sides of the oscilloscope clear of obstructions to ensure proper cooling TDS5000B Series Service Manual 2 1 Operating Information Connect the Peripherals NOTE The Power Source and Environmental specifications tables list the operating requirements for the oscilloscope Power source temperature humidity and altitude are listed These tables are part of the TDS5000B Series Digital Phosphor Oscilloscopes Specifications and Performance Verification Technical Reference PDF available on the TDS5000B Series Product Software CD ROM Tektronix part number 063 3692 xx The peripheral connections are the same as those you would make on a personal computer The connection points are shown in Figure 2 1 on page 2 3 See Table 2 1 for additional connection information Table 2 1 Additional accessory connection information Item Description Monitor If you use a non standard monitor you may need to change the the display settings to achieve the proper resolution for your monitor External Printer Connect the printer to the EPP enhanced parallel port connector directly If your printer has a DB 25 connector use the adapter cable that came with your printer to connect to the EPP connector For information on printer usage see Printing Waveforms in your user oscilloscope manual Rackmount Refer to the TDS5000B Rackmount Installation Instructions for
89. ice Level This subsection contains information and procedures designed to help you isolate faulty modules in the oscilloscope If a module needs to be replaced follow the Removal and Installation Procedures located in this section Check for Common Problems Use Table 6 4 to quickly isolate possible failures The table lists problems and possible causes The list is not exhaustive but it may help you eliminate a problem that is quick to fix such as a blown fuse or loose cable Table 6 4 Failure symptoms and possible causes Symptom Possible cause s Oscilloscope will not power on Power cord not plugged in m Faulty power supply Front panel light comes on m Faulty fan cable oscilloscope powers on but one or more fans will not operate m Faulty power supply Defective fan assembly TDS5000B Series Service Manual 6 49 Troubleshooting Table 6 4 Failure symptoms and possible causes Cont Symptom Possible cause s PC motherboard appears DIMM memory module incorrectly installed or missing dead power light comes on Missing DIMMs will cause a POST fault and PC mother but monitor screen s is are board will beep in oscilloscope emits no m Defective PC motherboard as m Hold down on standby button on the PC Interface board if system boots replace the power supply Hard disk drive related m Defective hard disk drive symptoms m Incorrect hard disk type selected in the BIOS setup m Replaceable hard d
90. ick to access support for operating this oscilloscope Two types of online help are available the oscilloscope online help and the GPIB online programmer s help The oscilloscope online help provides information on all of the oscilloscope controls and procedures for doing typical tasks The GPIB online programmer s help is normally installed on a remote PC and provides information for controlling the oscilloscope via the GPIB This section mainly discusses the online help for the oscilloscope Accessing Help in the Toolbar Mode When the oscilloscope is in the toolbar mode click the Help button in the upper right corner of the screen to display help on whatever control window is displayed From within the Help window you can access other help through tabs links or buttons You can also click the Help Topics button to display the standard Windows Contents Index and Find tabs Accessing Help in the Menu Bar Mode When the oscilloscope is in the menu bar mode you can access the help system from the drop down help menu Select Help on Window to display help on the current control window Select Contents and Index to display the standard Windows Contents Index and Find tabs You can also select other topics from the Help menu such as information on Technical Support or product specifications Moving the Help Topics to View the Oscilloscope Display You may temporarily move any displayed help out of the way while you change control window
91. ida Console 7 8 372 600 1 True 4 Provide this signal to the TDS5000B 3360 7092 Begin VB ListBox lstOutput Height Left TabIndex Top Width End Begin VB CommandButton Cancel Caption Height Left TabIndex ToolTipText Top Width End 2160 480 1 480 7212 cmdExit 1 True E amp xit 492 6120 0 Stop calibrator program 4080 1572 Begin VB Label lblSignal Caption Height Left TabIndex Top Width End Status 252 600 3 3000 1572 Begin VB Label 1bl0utput Caption Height Left Output from TDS5000B 252 480 TDS5000B Series Service Manual 5 39 Sample Calibration Program End Att Att Att Att Att D Opt Dim Dim Dim Dim Dim Dim Dim Dim Dim Dim Dim Dim ME c Pri TabIndex 2 Top 120 Width 2052 End ribute VB Name frmMain ribute VB GlobalNameSpace False ribute VB Creatable False ribute VB PredeclaredId True ribute VB Exposed False Header ESCRIPTION The Calibrator is an application that runs on a PC The PC must support visual basic win32 application and provide a TekVisa supported GPIB connection to the WaveTek 9500 as well as the TDS5000B instrument The Calibrator will allow the user to control both of these devices to achieve Factory Calibration of the TDS5000B There will be no validation of the accuracy of the calibration preformed no PV Th
92. in this setup procedure Power on the instruments Turn power on for the controller oscilloscope and signal source The oscilloscope and the signal source must warm up for 20 minutes before you can begin to execute the test However while you are waiting you can continue with the next steps in this procedure Ensure that the Wavetek output modules are aligned in time with each other To do this perform the Wavetek 95000 precision alignment 9500 channel outputs zero skew operation Refer to the Wavetek 9500 documentation for information about doing this procedure Check the Wavetek 9500 GPIB address Refer to the Wavetek 9500 documentation for information about setting the GPIB address If the address is set to 0 or 1 change it to an address between 2 and 30 inclusive Make a note of the address setting for use later in this procedure Set the GPIB address of the oscilloscope a Ifthe oscilloscope powered on in the toolbar mode the default mode click the Menu button upper right corner of the display to put the oscilloscope in menu bar mode In menu bar mode you should then see a PC style menu bar across the top of the display b Pull down the Utility menu and then select GPIB Configuration This command will display the GPIB Configuration control window c Inthe GPIB Configuration control window click the Talk Listen button to select Talk Listen mode d Click the Address readout and then click the up and down a
93. installation Do in reverse steps a through d to reinstall the floppy disk drive TDS5000B Series Service Manual 6 31 Removal and Installation Procedures PC Interface Board and Motherboard Cable Connections Figure 6 16 shows the location of cables and cable connectors for the PC interface board and the motherboard Pay close attention to this diagram and the cable connections when you disassemble and reassemble the instrument HD and CDRW cables Se a J520 ATX USB cable J1401 CPU power cable PC interface board J1040 Power J510 CDRW drive supply cable J51 ET power cable pc interface powercanie From power board supply Motherboard lt lt Inverter dapt bl J510 Front panel SL N adapter cable PWR cable Wal Floppy disk E PC interface board Figure 6 16 PC Interface board and motherboard cable connections 6 32 J1010 Front panel cable Front panel assembly TDS5000B Series Service Manual Removal and Installation Procedures Hard Disk Drive 1 Locate module to be removed Locate the Hard Disk Drive assembly in the locator diagram Internal Modules Figure 6 6 page 6 19 Note the location of cables and cable connectors see Figure 6 16 on page 6 32 Additional modules to be removed m Trim all except front panel and acquisition m Right side cover m Printer frame CAUTION Do not remove the hard drive when the oscill
94. integration increases the time or difficulty of servicing the product or to repair damage or malfunction resulting from failure to perform user maintenance and cleaning at the frequency and as prescribed in the user manual if applicable THE ABOVE WARRANTIES ARE GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT 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 TEKTRONIX 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 he eee Table of Contents Specifications Operating Information Theory of Operation General Safety Summary ccc cece cece cece ence nnn Service Safety Summary 0 cece cece cece cece eee eeees PG Fa CO dL Manual Stt ctut ee REG ER eO DA PR EAT EAS oe EA Manual Conventions 0 cece cece ene e nent ene eens Related Documentation 0 ccc cece cence eens Contacting Tektronix soies v ese kam dares cae C d aS Installattom i em gure hak dara Wd hh te phe UICE eA EA Rates Betore YOU Start loce see Wenn gunk ees otk UNE gure ees Environmental Considerations
95. iodic calibration is one of your requirements a general rule is to verify performance and perform calibration only if needed every 2000 hours of operation or once a year if the oscilloscope is used infrequently Calibration Environment The oscilloscope must be calibrated in a 20 C to 30 C ambient temperature environment The oscilloscope and signal source must warm up at least 20 minutes in this environment before you begin the calibration procedure Calibration Dependencies Some calibration tests may be dependent upon others The automatic calibration procedure performs the tests in an appropriate sequence to eliminate dependency problems Always execute the complete automatic calibration procedure The total time to execute the procedure is approximately 45 minutes depending somewhat on the processor speed of the controller and the type of GPIB controller USB is much slower Calibration After Repair After removal and replacement of a module due to electrical failure you may need to perform the calibration procedure depending on the module replaced See Table 5 1 Table 5 1 Calibration required for module replaced Module replaced Calibration required Front panel assembly No Acquisition board Yes Processor board Yes TDS5000B Series Service Manual 5 1 Calibration Procedure Table 5 1 Calibration required for module replaced Cont Module replaced Calibration required Micro ATX processor assem
96. ion Set or return the number of years until the user is notified that the instrument is due for factory calibration Backup to the previous step group but don t go until a CONTINUE command is sent Start the factory calibration Return the factory calibration status Return the status of the current calibration step Return the required stimulus for this calibration step Starts the internal signal path calibration CALibrate INTERNal STARt TDS5000B Series Service Manual Starts the internal signal path calibration 5 7 Commands CAL Related Commands Syntax Returns Example 5 8 Table 5 4 CALibrate commands Cont Command CALibrate INTERNal STATus Description Returns the current status of the internal signal path calibration CALibrate PROBEstate CH lt x gt Returns the calibration status of the attached probe CALibrate RESults Returns the status of all calibration subsystems without performing an SPC operation CALibrate RESults SPC Returns the results of the last SPC operation This query only command instructs the digitizing oscilloscope to perform a signal path compensation and return its calibration status This command is equivalent to selecting Instrument Calibration from the Utilities menu and then clicking the Calibrate button NOTE The self calibration can take several minutes to respond No other commands will be executed until calibration is complete CALibrate RESult
97. isk drive not installed m Power supply failure m Corrupted BIOS module firmware reinstall firmware m Hard disk drive not configured as bootable slave master hard disk drive wm Loose cable Faulty PC motherboard CD ROM related symptoms Defective CD ROM Defective disk drive adapter board Defective cable from PC Interface board to display adapter board m Defective PC Interface board Incorrect CD ROM configuration in the BIOS setup Flat panel display blank m Display selection jumper set incorrectly on front panel board there are no jumpers on the board when the oscilloscope is shipped from the factory this is the correct default setting m Video adapter set to AGP connect monitor to VGA port enter BIOS set Video Adapter PCI m BIOS setting not Advance gt Video Configuration gt Primary Video Adapter PCI m Defective cable from front panel board to display adapter board Defective cable from inverter board to display adapter board Defective cable from inverter board to backlighting display lamp Defective backlighting display lamp Faulty display Faulty controller board Faulty inverter board Faulty display adapter board BIOS error messages m Refer to the BIOS error message table on page 6 60 6 50 TDS5000B Series Service Manual Troubleshooting Equipment Required You will need a digital multimeter to take measurements and to check power supply voltages as described on page 6 54 Testin
98. lay assembly Display Adapter Board On Standby Switch Flex Circuit Floppy Disk Drive Hard Disk Drive CDRW Drive Fan assembly Power Supply Motherboard PC Interface Board Acquisition Board Locate module to be removed Locate the Front Panel assembly in Figure 6 7 on page 6 22 Additional modules to be removed m Trim Front Panel Remove the Front Panel assembly See Figure 6 7 page 6 22 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the front panel is facing you a Remove the six T 15 Torxdrive screws that secure the Front Panel assembly to the front chassis b Grasp the top of Front Panel assembly and pull forward to allow access to the ribbon cable connector on the Front Panel Board c Use the 14 inch flat bladed screwdriver to carefully lift the J1 cable connector lock up to disconnect J1 flex cable from the display module 6 21 Removal and Installation Procedures assembly See Figure 6 8 page 6 23 Note the pin 1 index mark on the connector and the black stripe on the cable for later reassembly d Pull the Front Panel assembly forward and remove from the oscilloscope 4 Reinstallation Do in reverse steps a through d to reinstall the Front Panel assembly ag T 15 Torxdrive AC screw 4 support tab 2 Chassis slot 2 Front panel square opening 2 T 15 Torxdrive s
99. lay surface Avoid using excess force or you may damage the plastic display surface CAUTION To prevent getting moisture inside the oscilloscope during external cleaning use only enough liquid to dampen the cloth or applicator Inspection Interior To access the inside of the oscilloscope for inspection and cleaning refer to the Removal and Installation Procedures in this section Inspect the internal portions of the oscilloscope for damage and wear using Table 6 2 as a guide Defects found should be repaired immediately If any circuit board is replaced check Table 6 2 in Section 5 to see if it is necessary to adjust the oscilloscope CAUTION To prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the oscilloscope Table 6 2 Internal inspection check list Circuit boards Loose broken or corroded Remove and replace damaged solder connections Burned circuit board circuit boards Burned broken or cracked circuit run plating Resistors Burned cracked broken blis Remove and replace damaged tered condition circuit board Solder connections Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Capacitors Damaged or leaking cases Remove and replace damaged Corroded solder on leads or circuit board terminals Semiconductors Loosely inserted in sockets Firmly seat loose semiconduc Distorted pins tors Remove devices
100. le 6 5 Table 6 5 Power supply voltages Power supply cable pin Voltage P1 Pins 1 2 12 13 orange 3 3 V P1 Pins 4 6 21 22 23 red 5 1V P1 Pin 8 grey 5 1 V P1 Pin 9 violet 5VSB 15 1 V P1 Pins 10 11 yellow 111 6 V P1 Pin 14 blue 11 8V P2 P3 Pin 1 yellow 111 6 V P2 P3 Pin 4 red 15 1 V P13 Pin 2 green 12 7 V P13 Pin 3 orange 13 3 V P13 Pin 5 to Pin 10 blue tan 7 mV rms After you check the voltages on the power supply connector check the voltages on the acquisition board at J1800 The pins that carry voltages are listed in Table 6 6 Table 6 6 Acquisition board voltages 41800 pin number Voltage Pins A1 A4 A8 A12 A16 A20 A24 A25 33 8 V Pin B23 111 6 V Pin B25 11 8 V Pins C20 C21 C22 C23 C24 C25 5 1 V Pin E12 16 3 V Pins E13 E14 E15 E16 E17 E18 5 5 V Pins E19 E20 E21 E22 E23 E24 5 4 V Pin E25 16 4 V TDS5000B Series Service Manual Troubleshooting If the Oscilloscope Will If there is a display on the VGA port but not on the LCD replace the display Not Boot assembly LCD lamps and cable If the display adapter is bad the BIOS should report it using beep codes see Table 6 10 on page 6 62 If nothing is displayed is the display turned on At boot time and while using an external monitor connected to the PC motherboard external video port press F2 to enter the BIOS setup The Advan
101. m the Front Panel board T 15 Torx Front panel board screw 8 Keypad support guide 12 Keypad Alignment i stud Pry point access hole Pry point access hole Ce sy PP S HUH N Figure 6 9 Front panel board and keyboard removal 6 24 D S p e 4 2 amp EN oe D pee a by GIN Rg o ooo quo E N X i o E N NM wy b i TDS5000B Series Service Manual Removal and Installation Procedures CAUTION When removing or installing the keypad make sure you do not touch re the switch contacts with your fingers The oils in your fingers will degrade or damage the switch contacts To help prevent damage to the keypad use cotton gloves when removing or installing the keyboard pad 3 Reinstallation Do in reverse step 2 to reinstall the keypad front panel board and the front panel assembly Then see the following instructions a Make sure the keypad is aligned properly on the Front Panel board b Make sure the ribbon cable is routed correctly when installing the Front Panel into the chassis c Insert the two floppy disk support tabs into the front panel square openings Both left front panel tabs must go into the chassis slots See Figure 6 7 page 6 22 D Display Assembly Locate module to be removed Locate the Display assembly Figure 6 10 page 6 26 Additional modules to be removed m Trim front panel amp
102. n on preventing damage by electros tatic discharge Inspection and Cleaning Information and procedures for inspecting the oscilloscope and cleaning its external and internal modules Removal and Installation Procedures Procedures for the removal of defective modules and replacement of new or repaired modules Also included is a procedure for disassembly of the oscilloscope for cleaning Troubleshooting Information for isolating failed modules Included are instructions for operating the oscilloscope diagnostic routines and trouble shooting trees Most of the trees make use of the internal diagnostic routines to speed fault isolation to a module Repackaging Instructions Information on returning an oscilloscope for service Before servicing this product read the Safety Summary and Introduction at the front of the manual and the ESD information below oscilloscope N CAUTION Static discharge can damage any semiconductor component in this When performing any service which requires internal access to the oscilloscope adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD 1 2 TDS5000B Series Service Manual Minimize handling of static sensitive circuit boards and components Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive boards
103. nal Modules 2 0 0 0 cece cece cece eee eee 6 9 Procedures for Modules neces ex E Me V PRIV ED re E HR 6 21 PC Interface Board and Motherboard Cable Connections 6 32 Troubleshooting 5 e lr me ern er rh e ee we 6 49 Service Level uo neck eer Sots Be E RARE PE PIE n 6 49 Check for Common Problems 0 2 cece ee eee tenn eee 6 49 Equipment Required arrr eiiie ee cece ee eens 6 51 Fault Isolation Procedure 0 0 cece eee cee teen eens 6 51 PC Interface and PC Motherboard Diagnostics 0 000 6 56 Firmware Updates carere eerte tne eed re o UR rea e eee reri 6 59 ATL ROPA onore eer UI era ca eed CLT d e ee end 6 59 BIOS Error Messages 0 0c cece cece eee ee ee ee ene he 6 60 BIOS Beep Codes rre eer Yee are etr ada ae eed 6 62 PC Interfaces LEDS acu eere Et Ea te etal e EI LA IRR Er 6 62 ii TDS5000B Series Service Manual Table of Contents Troubleshooting Using Reset Circuits Installing the PC Motherboard Serial Number 000008 Update Restore the PC Motherboard CMOS Installing an Authorization Key Hard Disk Drive Maintenance Repackaging Instructions Packaging Shipping to the Service Center Options and Accessories ODLOIIS o ec wa Aw sos Henley ed make be ACCESSOFIES es caaea naia aN ee ees Electrical Parts List Diagrams SYMBOLS 52122 Bu lA opea AE Mechanical Parts List Parts Ordering Information Module Servicing
104. ng a valid unique ID UID is available TDS5000B Series Service Manual 6 65 Troubleshooting Update Restore the PC Motherboard CMOS If the CMOS parameters become corrupted restore the CMOS memory using the following procedure CAUTION Only install CMOS parameters from Tektronix CMOS parameters from other manufacturers may make your oscilloscope inoperable Edit the autoexec bat file Remove comments CMOS restore parameters Boot the instrument do d GPS ES Reedit the autoexec bat file to re comment the CMOS restore parameters If you cannot restore the CMOS memory replace the battery Installing an Authorization Key If you replace your PC Interface board or add a new option you must install a new authorization key using the following procedure l From the oscilloscope menu bar click the Utilities menu select Option Installation and then click Continue 2 Enter the new key using an attached keyboard 3 Click Continue Hard Disk Drive Maintenance Use the same procedures to maintain the oscilloscope hard disk drive that you use to maintain a hard disk drive in a personal computer Using ScanDisk attempt to fix the disk without destroying data on the disk To use ScanDisk perform the following steps 1 Power on the oscilloscope and run ScanDisk Set ScanDisk to perform a thorough surface scan and to automatically fix errors m Using Microsoft Windows 2000 select Start Programs VAccessori
105. ng the actual cleaning are found under Inspection and Cleaning at the beginning of this section WARNING 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 NOTE Read Equipment Required for a list of the tools needed to remove and install modules in this oscilloscope See Table 6 3 page 6 8 Read the cleaning procedure before disassembling the oscilloscope for cleaning TDS5000B Series Service Manual 6 7 Removal and Installation Procedures Equipment Required Most modules in the TDS5000B Digital Oscilloscope can be removed with a screwdriver handle mounted with a size T 15 Torx screwdriver tip Use this tool whenever a procedure step instructs you to remove or install a screw unless a different size screwdriver is specified in that step All equipment required to remove and reinstall each module is listed in the first step of the procedure Table 6 3 Tools required for module removal Item General tool no Name Description number 1 Screwdriver handle Accepts Torx driver bits 620 440 2 T 10 Torx tip Used for removing the electrical or 640 235 optical module chassis Torx driver bit for T 10 size screw heads 3 T 15 Torx tip Used for removing most oscilloscope 640 247 screws Torx driver bit for T 15 size screw heads 4 1 g inch flat bladed screw Screwdriver for unlocking
106. nstrument options Cont Power cord options A3 Australia power cord 240 V 50 Hz A4 240 V North America A5 Switzerland power cord 220 V 50 Hz A6 Japan power cord A10 China power cord 240 V 50 Hz A99 No power cord Service options D1 Calibration data report C3 Additional 2 years of calibration D3 Calibration data report for Option C3 R3 Additional 2 years of repair C5 Additional 4 years of calibration D5 Calibration data report for Option C5 R5 Additional 4 years of repair You can order the upgrade kits shown in Table 7 2 to extend the performance of your instrument after its initial purchase Contact your local Tektronix represen tative for details and the most current information Table 7 2 Instrument upgrades TDS5UP upgrade Description Option 18 Touch screen interface Option 1K Scope cart Option M03 Upgrade acquisition memory depth from standard to option 3M Option 1P Built in thermal printer Option 1R Rackmount kit Option SM Serial communications mask testing Option CP2 TDSCPM2 ANSI ITU telecom pulse compliance software Option DVD TDSDVD Optical storage analysis software Option J2 TDSDDM2 Disk drive measurements software Option J3E TDSJIT3E Jitter and timing analysis software essentials Option JT3 TDSJIT3 Jitter amp timing analysis with Rj Dj and BER estimation Option PW3 TDSPWR3 Power analysis software Option USB TDSUSBS USB2 0 compliance test software only TD
107. ntal information related to servicing this product You should also read the General and Service safety summaries before servicing the product This manual is divided into chapters which are made up of related subordinate topics These topics can be cross referenced as sections Be sure to read the introductions to all procedures These introductions provide important information needed to do the service correctly safely and efficiently This manual uses certain conventions that you should become familiar with before attempting service Throughout this manual any replaceable component assembly or part is referred to by the term module A module is composed of electrical and mechanical assemblies circuit cards interconnecting cables and user accessible controls This manual refers to any field replaceable assembly or mechanical part specifically by its name or generically as a replaceable part In general a replaceable part is any circuit board or assembly such as the hard disk drive or a mechanical part such as the I O port connectors that is listed in the replaceable parts list of Chapter 10 Symbols and terms related to safety appear in the Service Safety Summary found at the beginning of this manual TDS5000B Series Service Manual xi Preface Related Documentation TDS5000B Series Digital Phosphor Oscilloscopes ship with the following additional manuals and CD ROMs Contacting Tektronix xii m TDSS5000B
108. oint number representing DC volts if the value for lt Freq gt is 0 or representing Vpeak to peak if the value for lt Freq gt is non zero Freq lt NR1 gt is the frequency in Hz of the applied waveform NOTE This command typically returns the frequency of the signal in hertz However if it returns a frequency value of 4 then that means apply the deskew function of the Wavetek 9500 calibrator to all input channels If it returns a 0 then apply a DC voltage Chan NR1 stands for the channel Term NR1 stands for the ohms of termination For example 8 0E 03 0 1 50 C01 means apply 800 mV DC to Channel 1 with 50 ohm termination If the query is sent before FACTORY CAL has been initialized the returned string will be 0 0 0 0 0 END Token is a unique string identifying the step to be done next TDS5000B Series Service Manual 5 15 Commands CALibrate INTERNal This command starts the internal signal path calibration SPC of the instrument You can use the CALibrate INTERNal STATus query to return the current status of the internal signal path calibration of the instrument Syntax CALibrate INTERNal Example CALIBRATE INTERNal This command starts the internal signal path calibration of the instrument CALibrate INTERNal STARt This command starts the internal signal path calibration SPC of the instrument This command is the same as the CALibrate INTERNal command You can use the CA
109. ong CMOS values are not the same as the last boot These values have either been corrupted or the battery has failed CMOS Date Time Not Set The time and or date values stored in CMOS are invalid Run Setup to set correct values DMA Error Error during read write test of DMA controller HDC Failure Error while trying to access hard disk controller Checking NVRAM NVRAM is being checked to see if it is valid Update OK NVRAM was invalid and has been updated Update Failed Keyboard is locked NVRAM was invalid but was unable to be updated The system keyboard lock is engaged The system must be unlocked to continue to boot Keyboard Error KB Interface Error Error in the keyboard connection Make sure keyboard is connected properly Keyboard interface test failed Memory Size Decreased Memory size has decreased since the last boot If no memory was removed then memory may be bad TDS5000B Series Service Manual Troubleshooting Table 6 9 BIOS Error messages Cont Error message Memory Size Increased Explanation Memory size has increased since the last boot If no memory was added then memory may be bad Memory Size Changed Memory size has changed since the last boot If no memory was added or removed then memory may be bad No Boot Device Available System did not find a boot device Off Board Parity Error A parity error occurred on an off board card This
110. onix Service Center and the return address on the shipping carton in two prominent locations TDS5000B Series Service Manual 6 69 Repackaging Instructions 6 70 TDS5000B Series Service Manual Se aE Options and Accessories Options This section lists the standard and optional accessories available for the TDS5000B Series oscilloscopes as well as the product options You can order the options shown in Table 7 1 with the oscilloscope Table 7 1 Instrument options Hardware options 18 Touch screen interface 1P Built in thermal printer FHD Front panel removable hard drive SM Serial communications mask testing Acquisition memory options 3M 16M 8M 4M on 1 2 4 channels Mounting options 1K K420 oscilloscope cart with mouse accessory tray 1R Rackmount kit Software options DVD TDSDVD Optical storage analysis software J2 TDSDDM2 Disk drive measurements software J3E TDSJIT3E Jitter and timing analysis software essentials JT3 TDSJIT3 Jitter amp timing analysis with Rj Dj and BER estimation PW3 TDSPWR3 Power measurement software USB TDSUSBS USB2 0 compliance test software only CP2 TDSCPM2 ANSI ITU telecom pulse compliance software ET3 TDSET3 Ethernet compliance test software Power cord options North American Universal European power cord 220 V 50 Hz UK power cord 240 V 50 Hz A2 TDS5000B Series Service Manual 7 1 Options and Accessories 7 2 Table 7 1 I
111. ore it in a safe place It may allow you to disk The emergency startup disk contains basic files to restart your instrument It also contains files to check and format the hard disk 2 4 TDS5000B Series Service Manual Operating Information Follow these steps to create the emergency startup disk 1 Minimize the oscilloscope application select Minimize from the File menu 2 Select the Windows Start button point to Programs gt Accessories gt System Tools gt Backup 3 Select Emergency Repair Disk 4 Insert a floppy disk into the disk drive and follow the on screen instructions to create the startup disk Software Installation This section describes how to install the system software found on the product software CD that accompanies this product The instrument ships with the product software installed so only perform these procedures if reinstallation becomes necessary Software Release Notes Read the software release notes README TXT ASCII file on the product software CD before performing installation procedures This file contains additional installation and operation information that supercedes other product documentation To view the README TXT file open the Notepad Windows accessory and open the file on the product software CD After installation you can also read the copy from a directory on the product C Program Files Tektronix TekScope readme txt Operating System Restoration Use the procedure that
112. ory STARt CALIBRATE FACTORY START starts the factory calibration CALibrate FACtory STATus Syntax Returns Example This command returns the factory calibration status CALibrate FACtory STATus FAIL if the factory calibration failed PASS if the factory calibration passed UNCAL if the factory calibration has not been run CALIBRATE FACTORY STATUS might return CALIBRATE FACTORY STATUS PASS indicating the factory calibration passed CALibrate FACtory STEPSTATus 5 14 This command returns the status of the current calibration step It returns pass during oscilloscope power on without regard to actual calibration status It returns pass or fail for the factory calibration step that most recently executed when factory calibration is in progress Use this query to synchronize programmed factory calibration steps TDS5000B Series Service Manual Commands Syntax Returns Example CALibrate FACtory STEPSTATus PAIL if the factory calibration failed PASS if the factory calibration passed CALIBRATE FACTORY STEPSTATUS might return CALIBRATE FACTORY STEPSTATUS FAIL indicating the last oscilloscope calibration step did not pass CALibrate FACtory STEPSTIMulus Syntax Returns This command returns the required stimulus for this calibration CALibrate FACtory STEPSTIMulus Using the format lt Volts gt lt Freq gt lt Chan gt lt Term gt lt Token gt Volts lt NR3 gt is a floating p
113. oscope is powered on The hard disk drive may be permanently damaged if it is removed while the oscilloscope is powered on Always power off the oscilloscope before removing the hard disk drive 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the right side panel is facing you 3 Remove the Hard Disk Drive assembly See Figure 6 17 on page 6 34 a b Verify that the oscilloscope is powered off Remove the 2 T 15 Torx screws that secure the Hard Disk Drive assembly to the chassis Pull the Hard Disk Drive assembly away from the chassis far enough to access the cables Disconnect the 2 cables from the Hard Disk Drive assembly See Figure 6 17 on page 6 34 Remove the 2 T 15 Torxdrive screws that secure the hard drive bracket to the the hard drive 4 Reinstallation Do in reverse steps a through e to reinstall the hard disk drive TDS5000B Series Service Manual 6 33 Removal and Installation Procedures Motherboard assembly Disconnect from the hard drive Hard drive Disconnect from the hard drive From power Screw 2 supply Hard drive Hard drive bracket Figure 6 17 Desktop hard drive removal 6 34 TDS5000B Series Service Manual Removal and Installation Procedures CDRW Disk Drive 1 Locate module to be removed Locate the CDRW assembly in the locator diagram Internal Modules Fig
114. ous example only subsystem 2 will be executed DIAg SELect SUBSYS This command no query form selects one of the available subsystems This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then choosing a Subsystem from the drop down list TDS5000B Series Service Manual 5 31 Commands Related Commands Syntax Arguments Example DIAg SELect TEST Related Commands Syntax Arguments Example 5 32 NOTE This command should be executed only if DIAg LEVEL is currently set to SUBSYS DIAg SELect AREA DIAg SELect TEST DIAg SELect LAST DIAg SELect SUBSYS NRI NRI selects a subsystem by number which can range from 0 zero selects ALL through 15 as specified by Diag NUMITEMS DIAg SELect SUBS YS selects Subsystem 1 as the subsystem to be diagnosed This command no query form selects one of the available tests This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then choosing a Test from the drop down list NOTE This command should be executed only if DIAg LEVEL is currently set to TEST DIAg SELect AREA DIAg SELect SUBSYS DIAg SELect LAST DIAg SELect TEST NRI lt NR1 gt selects a test by number which can range from 0 zero selects ALL through 15 as specified by DIAg NUMITEMS DIAg SELect TEST 1 selects Test 1 as the test to be executed TDS5000B Series Service Manual Commands
115. pe Table 6 1 External inspection check list Item Inspect for Repair action Cabinet front panel Cracks scratches deformations Repair or replace defective and cover damaged hardware module Front panel knobs Missing damaged or loose Repair or replace missing or knobs defective knobs Connectors Broken shells cracked insulation Repair or replace defective and deformed contacts Dirt in modules Clear or wash out dirt connectors Carrying handle and Correct operation Repair or replace defective cabinet feet module Accessories Missing items or parts of items Repair or replace damaged or bent pins broken or frayed missing items frayed cables and cables and damaged connectors defective modules The display is a soft plastic display and must be treated with care during cleaning CAUTION Improper cleaning agents or methods can damage the flat panel display Avoid using abrasive cleaners or commercial glass cleaners to clean the display surface Avoid spraying liquids directly on the display surface Avoid scrubbing the display with excessive force Clean the flat panel display surface by gently rubbing the display with a clean room wipe such as Wypall Medium Duty Wipes 405701 available from Kimberly Clark Corporation TDS5000B Series Service Manual 6 3 Maintenance If the display is very dirty moisten the wipe with distilled water or a 75 isopropyl alcohol solution and gently rub the disp
116. play adapter board removal Power flex circuit removal eese Floppy disk drive assembly removal Floppy disk drive removal eese PC Interface board and motherboard cable connections 4 vive va Eae t a eR Rr a ca Figure 6 17 Figure 6 18 Figure 6 19 Figure 6 20 Figure 6 21 Figure 6 22 Figure 6 23 Figure 6 24 Figure 6 25 Figure 6 26 Desktop hard drive removal sees Removing the CDRW drive from the bracket CDRW drive assembly removal Fan fastener removal eere Disconnecting the fan cables Power supply removal eee Motherboard removal ececcecevcvcecs PC interface board removal eese Acquisition circuit board removal Primary troubleshooting tree eeeeee 2 3 2 4 2 7 2 8 2 8 2 9 5 3 6 10 6 13 6 14 6 16 6 18 6 19 6 22 6 23 6 24 6 26 6 27 6 28 6 29 6 30 6 31 6 32 6 34 6 36 6 37 6 39 6 40 6 41 6 44 6 46 6 48 6 52 TDS5000B Series Service Manual Table of Contents Figure 6 27 Location of jumpers and reset button 6 53 Figure 6 28 The PCI busses ccc ccs c cece eee eceees 6 63 Figure 6 29 Location of jumpers and reset button 6 63 Figure 6 30 PCI and AGP video connectors Lee 6 65 Figure 9 1 TDS5000B series
117. probe calibration for a probe attached to a given channel CH lt x gt PROBECal CALibrate PROBEstate CH lt x gt lt x gt is the channel number the probe is attached to 1 indicating that the probe calibration failed for the selected channel 0 indicating that the probe calibration passed for the selected channel 1 indicating that the probe calibration is initialized for the selected channel 2 indicating that probe calibration is running for the selected channel CALIBRATE PROBESTATE CH1 This query returns the status of the probe calibration for a probe attached to CH1 A query might return CALIBRATE PROBESTATE CH1 0 indicating that the probe calibration for channel 1 passed This query only command returns the status of internal and factory calibration without performing calibration operations The returned results do not include the calibration status of attached probes The CALibration RESults query is intended to support GO NoGO testing of the instrument calibration readiness all returned results should indicate PASS status if the instrument is fit for duty It is TDS5000B Series Service Manual 5 17 Commands Syntax Example quite common however to use uncalibrated probes particularly when the instrument inputs are connected into a test system with coax cables This command is equivalent to selecting Instrument Calibration from the Utilities menu and then viewing the contents of the Status field CALib
118. rame to the chassis b Remove the two T 15 Torxdrive screws that secure the cable restraint to the printer frame c Remove the printer frame from the chassis cabling as you remove or install components i CAUTION Take care not to bind or snag the covers on the oscilloscope internal 3 Reinstallation Do in reverse steps a through c to reinstall the cabinet covers TDS5000B Series Service Manual 6 17 Removal and Installation Procedures E T 15 Torxdrive L screw 2 b frame Figure 6 5 Printer frame removal Right side cover 4 Reverse the procedure to reinstall TDS5000B Series Service Manual Removal and Installation Procedures Hard disk PC interface board Ne fy po Lan Si Display adapter board Front panel keypad Front panel assembly Power flex Front hard lt circu Display module disk drive assembly option Figure 6 6 Internal modules TDS5000B Series Service Manual 6 19 Removal and Installation Procedures 6 20 TDS5000B Series Service Manual Removal and Installation Procedures Procedures for Modules You should have completed the Procedures For External Modules before doing many of the procedures in this collection The procedures found here are listed in disassembly order Front Panel Assembly 1 TDS5000B Series Service Manual Front Panel assembly Front Panel Board Front Panel Keypad Disp
119. rate RESults CALIBRATE RESULTS This query returns the status of all the calibration subsystems It might return CALIBRATE RESULTS SPC PASS FACTORY PASS FACTORY VOLTAGE PASS FREQUENCY PASS TRIGGER PASS CALibrate RESults SPC Related Commands Syntax Example This query only command returns the results of the last SPC operation either PASS or FAIL CAL CALibrate RESults SPC CALIBRATE RESULTS SPC Returns the results of the last SPC operation CALibrate TEMPerature Syntax Example The query returns the air temperature inside the case in degrees Celsius CALibrate TEMPerature CALIBRATE TEMPerature This query might return CALIBRATE TEMPERATURE 20 indicating that the air temperature inside the case is 20 degrees Celsius TDS5000B Series Service Manual Commands Diagnostics Command Group The diagnostic commands control the selection and execution of diagnostic tests Table 5 5 lists the DIAgnostic commands Descriptions and examples follow the table Table 5 5 DiAgnostic Commands Command DIAg CONTROL HALT DIAg CONTROL LOOP DIAg EXECUTE DIAg ITEM DIAg ITEM FAILURES DIAg ITEM NAMe DIAg ITEM RESULT DIAg ITEM SUBITEMS Description Enables or disables halting on first diagnostic failure Enables or disables looping of diagnostics Executes currently selected set of diagnostics Returns all data associated with a selected menu item Returns the total number of fail
120. roduct Software CD The TDS5000B Programmer Online Guide files on the TDS5000B series Product Software CD The TDS5000B Online Help part of the application software TDS5000B Series Service Manual 7 3 Options and Accessories Table 7 3 Standard accessories cont Accessory Part number Calibration Certificate documenting NIST traceability 2540 1 com Ee pliance and ISO9001 registration Power Cord North America Option A0 161 0104 00 Universal Euro Option A1 161 0104 06 United Kingdom Option A2 161 0104 07 Australia Option A3 161 0104 05 240V North America Option A4 161 0104 08 Switzerland Option A5 161 0167 00 Japan Option A6 161 A005 00 China Option A10 161 0306 00 No power cord or AC adapter Option A99 Mouse 119 6936 00 Front cover 200 4651 00 One 500 MHz 10x passive probe per channel P5050 Snap on Accessory Pouch 016 1935 xx 30 day evaluation copy of LabVIEW 020 2476 xx Optional The accessories in Table 7 4 are orderable for use with the oscilloscope at the time this manual was published Consult a current Tektronix catalog for additions changes and details Table 7 4 Optional accessories Accessory Part number TDS5000B Series Digital Phosphor Oscilloscopes Service Manual 071 1362 xx Keyboard 118 9402 xx Transit case 016 1937 xx Thermal printer paper one roll 016 1897 xx Probe calibration compensation and deskew adapter requires a sepa 067 0405 02 rate
121. rom the pull down lists NOTE This command should only be executed if DIAg LEVEL is set to AREA DIAg SELect SUBSYS DIAg SELect TEST DIAg SELect LAST DIAg SELect AREA lt NR1 gt TDS5000B Series Service Manual Commands Arguments NRI selects an area by number which can range from 0 zero selects all through 15 as specified by DIAg NUMITEMS Example DIAg SELect AREA 1 This command selects Area 1 as the area to be diagnosed DIAg SELect LAST This command no query form selects one or more diagnostic menu items to be executed via the DIAg EXECUTE command If you specify DIAg LEVEL SUB SYS then menu items come from this diagnostic level and are limited to the value returned by the DIAg NUMITEMS query For example specifying DIAg SELECT SUBSYS 2 and DIAg NUMITEMS 5 indicates that diagnostics will start from subsystem 2 and that you can specify a range from 2 through 5 for DIAg SELect LAST If you enter DIAg SELect LAST 2 only subsystem 2 will be executed DIAG SELect LAST 4 subsystems 2 through 4 will be executed Related Commands DIAg EXECUTE DIAg LEVEL DIAg NAMe AREA DIAg NAMe SUB SYS DIAg NAMe TEST DIAg NUMITEMS DIAg SELect SUBS YS Syntax DIAg SELect LAST NRI Arguments lt NR1 gt selects an integer that identifies the number of the last item that will be executed when the DIAg EXECUTE command is run Example DIAg SELect LAST 2 specifies that based on the previ
122. rrows or the upper multipurpose knob to set the GPIB address to 1 e Click the Close button to close the control window Configure the PC controller Use the GPIB software and hardware on the controller as necessary to make the following settings a Set the controller GPIB address to 0 b Define GPIB devices and their addresses for compatibility with the test program as shown in Table 5 3 TDS5000B Series Service Manual Calibration Procedure Table 5 3 GPIB devices required by test program Device name GPIB address lt controller gt 0 DUT1 1 Calibration Program Installation and Execution Follow these steps to install the calibration program on the instrument controller 1 Locate the test program Locate your calibration program You can adapt the sample program listed later in this chapter Put the program in an appropriate location such a folder labelled c programfiles tdsSOOOb 2 Once the instrumentation is connected and configured allow it to warm up for at least 20 minutes 3 Start the program 1 Select Run in the Start menu and then enter c programfiles tds5000b calibrate exe or other appropriate designation for the disk drive path and program name used if it is not c program filestds5000b calibrate exe Some PCs and controllers require quotes around the path 4 Start the program 2 Alternatively open the directory used and then locate the your calibration program This is the file yo
123. rse steps a through d to reinstall the fan assembly CAUTION Take care when handling the fans the fan blades are brittle and can be easily damaged TDS5000B Series Service Manual Removal and Installation Procedures Plastic fasteners a 29 49 c f EN G TAL wE Hl o Ay f 9 Be 5 Front of the 4 g 2 Gu instrument ERAI f b ae G g d We G Pus Left side of the instrument Back of the instrument Figure 6 20 Fan fastener removal TDS5000B Series Service Manual Removal and Installation Procedures Fans Back of the instrument Left side of the o instrument Q Fan cable holder SORS d a 090 OO SAVE Oo oS Front of the instrument Figure 6 21 Disconnecting the fan cables Power Supply 1 Assemble equipment and locate modules to be removed Locate the modules to be removed in the locator diagram Internal Modules Figure 6 6 on page 6 19 Additional modules to be removed m Trim all m Right side cover Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the back is facing you 6 40 TDS5000B Series Service Manual Removal and Installation Procedures 3 Remove the power supply See Fi
124. s SPC CAL 0 NR1 indicating that the calibration did not complete successfully 1 or any non zero value lt NR1 gt indicating that the calibration completed without errors CAL might return 1 indicating that the calibration was successful TDS5000B Series Service Manual Commands CAL This query only command instructs the instrument to return the internal and factory calibration status and the calibration due status Related Commands CALibrate RESults SPC Syntax CAL Returns 0 NR1 indicating that the calibration did not complete successfully 1 or any non zero value lt NR1 gt indicating that the calibration completed without errors Example CAL might return CALIBRATE INTERNAL STATUS PASS CALIBRATE FACTORY STATUS PASS NOTIFY HOURS 2000 YEARS 1 0E0 DUE 0 indicating the internal and factory calibration status and the calibration due status CALibrate CALProbe CH lt x gt This query only command instructs the instrument to perform a probe calibration for the selected channel and returns the calibration status The Channel lt x gt range is 1 4 This command is equivalent to selecting Probe Cal from the Vertical menu You must warm up the instrument for at least 20 minutes before running this command A probe query takes approximately 30 seconds to complete No other commands will be executed until calibration is complete Related Commands CH lt x gt PROBECal CALibr
125. s Service Manual Commands Related Commands Syntax Example If the current step is the last step and the calibration succeeds new calibration data and pass status is saved to non volatile memory and the oscilloscope returns to normal operation in the same state it was in before beginning factory calibration If the current step is the last step and any factory calibration step has failed without a successful pass for repeated steps a fail status will be saved to non volatile memory Factory calibration data will not be saved to non volatile memory if the factory status is FAIL CALibrate FACtory STARt CALibrate FACtory CONTinue CALIBRATE FACTORY CONTINUE causes the instrument to execute the next step in the calibration procedure CALibrate FACtory FANcontrol Syntax 1 Arguments Syntax 2 Returns Example 1 Example 2 This command sets or returns the status of the fan control CALibrate FACtory FANcontrol lt NR3 gt lt NR3 gt lt NR3 gt sets the temperature in degrees Celsius lt NR3 gt sets the mean sea level specified in feet this command is optional and if not specified it defaults to 0 0 sea level CALibrate FACtory FANcontrol 0 means that the fan was never calibrated 1 means that calibration is in process 2 means that the fan has been calibrated CALibrate FACtory FANcontrol 20 This sets the fan control calibration temperature to 20 degrees Celsius at sea level CALibrate F
126. s 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 A A CAUTION WARNING Protective Ground Refer to Manual High Voltage Earth Terminal TDS5000B Series Service Manual PE ee Service Safety Summary 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 switch off the instrument power then disconnect the power cord from the mains power Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections TDS5000B Series Service Manual ix Service Safety Summary X TDS5000B Series Service Manual Preface Manual Structure Manual Conventions Modules Replaceable Parts Safety This manual contains service information for TDS5000B Series Digital Phosphor Oscilloscopes Read this preface to learn how this manual is struc tured the conventions it uses and where to find additional suppleme
127. screw 6 v J1 ribbon cable Figure 6 7 Front panel assembly removal 6 22 TDS5000B Series Service Manual Removal and Installation Procedures Black stripe toward connector Figure 6 8 J1 flex cable connector removal Front Panel Board 1 TDS5000B Series Service Manual Locate module to be removed Locate the Front Panel assembly Figure 6 7 page 6 22 Additional modules to be removed m Front Panel Knobs m Trim front panel m Front Panel assembly Remove the Front Panel board See Figure 6 9 page 6 24 a Remove the eight 1 15 Torxdrive screws that secure the Front Panel board to the Front Panel assembly b Pry the board up off the alignment studs Place a flat bladed screwdriver in the pry point access holes to pry the board up from the assembly c Remove the board from the assembly Reinstallation Do in reverse steps a through c to reinstall the Front Panel board 6 23 Removal and Installation Procedures Front Panel Keypad Locate module to be removed Locate the Front Panel assembly in Fig ure 6 7 on page 6 22 Additional modules to be removed m Front Panel Knobs m Trim front panel m Front Panel assembly W Front Panel Board Remove the Front Panel keypad See Figure 6 9 a Pull on each of the keypad support guides to separate the keypad from the Front Panel board Use a pair of tweezers or equivalent tool to pull the twelve keypad support guides b Remove the keypad fro
128. se AC signal TvcWaveTek WriteString SOUR FUNC SHAPE SIN strCommand SOURCE FREQ amp reqFreq TvcWaveTek WriteString strCommand strCommand SOUR VOLT amp reqVolts TvcWaveTek WriteString strCommand strCommand ROUTE SIGNAL PATH CH amp reqChannel TvcWaveTek WriteString strCommand strCommand ROUTE SIGNAL IMPEDANCE amp reqTermination TvcWaveTek WriteString strCommand End Select TvcWaveTek WriteString OUTPUT ON Sleep 1000 End Sub Subroutine parses the information from the TDS5000B as to the required signal for the next calibration step WriteString WriteString Private Sub updateSignal strRequired As String Dim strSignal As String Dim strMessage As String Dim stepStrLen As Integer Dim stepStr As String text progress bar If strRequired strEndOfCal Then 1stOutput AddItem Calibration complete calInitDone False Exit Sub End If strSignal Split strRequired reqVolts Mid strSignal 0 2 reqFreq strSignal 1 5 44 TDS5000B Series Service Manual Sample Calibration Program reqChannel strSignal 2 reqTermination strSignal 3 reqStepName strSignal 4 strMessage reqVolts amp volts If reqFreq 0 Then strMessage strMessage amp DC Else strMessage strMessage amp reqFreq amp AC End If strMessage strMessage amp channel amp reqChannel amp If reqTermination 1000000 Then strMessage strMessage amp 1 Meg Ohms Else strM
129. set up the vertical horizontal and trigger controls based on selected channels Y Y INTENSITY FINE autoset DEFAULT Par cursors Y FastAcq C HORIZONTAL c TRIGGER gt Y POSITION d nD Turn the multipurpose knobs to adjust parameters selected from gt CJ Ew oe omc RUNI the screen interface Press a Fine button to toggle between x j j ith i j SOURCE COUPLING SLOPE normal and fine adjustment with its multipurpose knob ey FINE RESOLUTION Press MultiView Zoom to add a magnified graticule to the muttivigw X cm us display Press HORIZ or VERT to select the axis to magnify gS wore D Grau OD READY V SAMPLE NOISE q SCALE gt MODE Cron P e 50 TOUCH SCREEN 5 S Cute Press to turn the touch screen on and off oF Cd vier e ES c VERTICAL POSITION POSITION POSITION POSITION Turn channel displays on and off Vertically scale position or e lt e 2 2 hange the input termination E 2 C23 Ca cna g p SCALE SCALE SCALE SCALE Figure 2 6 Front panel controls TDS5000B Series Service Manual Operating Information Instrument Diagnostics Signal Path Compensation 2 10 Do the following steps to verify the instrument passes the internal diagnostics 1 Display the diagnostics menu m Ifthe oscilloscope is in toolbar mode click the MENU button to put the os
130. settings Click the Minimize button in the help window to shrink the help window to a button that displays in the upper right corner of the display with the label Restore Help Click the Restore Help button to restore the help window to its normal size TDS5000B Series Service Manual 2 11 Operating Information 2 12 TDS5000B Series Service Manual NNNM aa Theory of Operation Logic Conventions Module Overviews General Input Signal Path Display Panel This section describes the electrical operation of the oscilloscope Figure 9 1 on page 9 2 shows the module interconnections The oscilloscope contains many digital logic circuits This manual refers to these circuits with standard logic symbols and terms Unless otherwise stated all logic functions are described using the positive logic convention the more positive of the two logic levels is the high 1 state and the more negative level is the low 0 state Signal states may also be described as true meaning their active state or false meaning their nonactive state The specific voltages that constitute a high or low state vary among the electronic devices Module overviews describe the basic operation of each functional circuit block as shown in Figure 9 1 on page 9 2 A PC motherboard and microprocessor system controls the oscilloscope The oscilloscope features a VGA resolution flat panel display an optional transparent touch screen and a front panel
131. ssor system The software that operates on the PC motherboard reads the front panel switches and encoders Any changes in their settings are reported to the processor system The software also turns the LEDs on and off Menu Switches Front panel menu switches are also read by the software The touch screen processor sends any changes in menu selections to the processor system The ON STBY switch passes through the PC Interface board to the PC motherboard The PC motherboard creates the signal sent to the power supply to toggle power Processor System The processor system is a collection of hardware software and the Windows operating system The processor system provides a CPU for performing calculations on data floppy and CDRW disk drives for data storage and I O for interacting with data The disk drives the PC interface board the motherboard and any peripherals are all components of the processor system Floppy Drive The floppy drive provides access to stored waveform data and software to customize your oscilloscope PC Interface Board The PC Interface board provides a data path between to the Acquisition board and the display system The PC Interface board provides a GPIB interface through a side panel connector PC Motherboard The PC motherboard provides standard Windows functionality and I O port interfaces to the rear panel The PC motherboard also reads the front panel switches and encoders and implements any changes request
132. strEndOfCal TvcScope Query CALIBRATE FACTORY STEPSTIMULUS txtSignal Text strEndOfCal 1stOutput AddItem Ending string will be amp strEndOfCal Debug Print strEndOfCal TvcScope WriteString CALIBRATE FACTORY START txtSignal Text TekScope Reset If tekScopeOPC False Then Debug Print factory calibration start did not complete Exit Sub End If Sleep 1000 strResult TvcScope Query CALIBRATE FACTORY STEPSTIMULUS txtSignal FontSize 5 updateSignal strResult Debug Print strResult calInitDone True While calInitDone True cmdNextStep Wend txtSignal FontSize 8 strResult TvcScope Query CALTBRATE FACTORY STATUS If strResult PASS Then If calFailed False Then 1stOutput AddItem Calibration of TDS5000B succeeded txtSignal Text Calibration of TDS5000B succeeded Else 1stOutput AddItem Calibration of TDS5000B failed txtSignal Text Calibration of TDS5000B failed End If TDS5000B Series Service Manual 5 47 Sample Calibration Program turnOnButtons End Sub Private Sub Form Activate txtSignal Text Calibrator is Ready turnOnButtons End Sub Private Sub Form Load devFound False calInitDone False End Sub 5 48 TDS5000B Series Service Manual Maintenance This section contains the information needed to do periodic and corrective maintenance on the oscilloscope The following subsections are included Preventing ESD Preventing ESD General informatio
133. strResult As String turnOffButtons setWaveTek TvcScope WriteString CALIBRATE FACTORY CONTINUE If tekScopeOPC False Then Debug Print factory calibration step did not complete Exit Sub End If Sleep 1000 strResult TvcScope Query CALIBRATE FACTORY STEPSTATUS If Left strResult 4 PASS Then stOutput AddItem Passed step reqStepName calPassedLastStep True Sleep 1000 strResult TvcScope Query CALIBRATE FACTORY STEPSTIMULUS updateSignal strResult Debug Print strResult Else If calPassedLastStep False Then calFailed True calInitDone False Else Debug Print Will retry last step End If stOutput AddItem Failed step reqStepName calPassedLastStep False End If lstOutput ListIndex lstOutput ListCount 1 turnOnButtons End Sub Subroutine to handle the Play button This will place the TDS5000B in factory calibration mode and if single step mode is not active repeatedly do next step until calibration is complete 5 46 TDS5000B Series Service Manual Sample Calibration Program Private Sub cmdPlay Click Dim strResult As String Dim str20Blanks turnOffButtons findDevices calPassedLastStep True calFailed False stepNumber 0 txtSignal Text Starting Calibration txtSignal Refresh resetWaveTek TvcScope WriteString CALIBRATE FACTORY ABORT If tekScopeOPC False Then Debug Print factory calibration abort command did not complete turnOnButtons Exit Sub End If
134. the chassis Use a soft bristle non static producing brush for cleaning around components If you must use a liquid for minor interior cleaning use a 75 isopropyl alcohol solution and rinse with deionized water WARNING Before performing any procedure that follows power off the instrument and disconnect it from line voltage Clean the exterior surfaces of the chassis with a dry lint free cloth or a soft bristle brush If any dirt remains use a cloth or swab dipped in a 75 isopropyl alcohol solution Use a swab to clean narrow spaces around controls and connectors Do not use abrasive compounds on any part of the chassis that may damage the chassis Clean the On Standby switch using a dampened cleaning towel Do not spray or wet the switch directly TDS5000B Series Service Manual Maintenance Flat Panel Display Cleaning A CAUTION Avoid the use of chemical cleaning agents which might damage the plastics used in this oscilloscope Use only deionized water when cleaning the menu buttons or front panel buttons 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 Inspection Exterior Inspect the outside of the oscilloscope for damage wear and missing parts using Table 6 1 as a guide Immediately repair defects that could cause personal injury or lead to further damage to the oscillosco
135. this disk TDS5000B Series Service Manual 1 1 Specifications 1 2 TDS5000B Series Service Manual re a Operating Information Installation A Before You Start Environmental Considerations A This chapter covers installation information and basic operation instructions The basic operating software is already installed on the hard disk Refer to Software Installation on page 2 5 for instructions on reinstalling the software CAUTION Be sure you have an emergency startup disk You will need this disk if you ever have to reinstall the Windows operating system Refer to Create an Emergency Startup Disk on page 2 4 Verify that all parts and accessories for the oscilloscope are available Use the graphical packing list that came with the oscilloscope to determine the necessary parts and accessories You should also verify that the following items are available W the correct power cords W the product software CD set that includes installation copies of the software installed on the oscilloscope m all the accessories necessary to operate the oscilloscope The oscilloscope is designed to operate on a bench or on a cart in the normal position on the bottom feet For proper cooling at least three inches 7 62 cm of clearance is required on the left side of the oscilloscope If you operate the oscilloscope while it is resting on the rear feet make sure that you properly route any cables coming out of the rear of t
136. ties menu and then reviewing the diagnostics settings This query can be issued while diagnostics are still in progress DIAg ITEM FAILURES DIAg ITEM NAME DIAg ITEM RESULT DIAg ITEM SUBITEMS DIAg ITEM lt NR1 gt NR1 sets the index item about which data will be returned which ranges from 0 through 15 DIAg ITEM 2 This query might return DIAG ITEM 2 Acquisition Pass 0 8 This indicates that the acquisition test passed and that there were 0 failures of the 8 subitems for that test DIAg ITEM FAILURES Related Commands Syntax Arguments 5 22 This query only command returns the total number of failures This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress DIAg ITEM DIAg ITEM NAME DIAg ITEM RESULT DIAg ITEM SUB ITEMS DIAg ITEM FAILURES lt NR1 gt lt NR1 gt sets the index item about which data will be returned which ranges from 0 through 15 TDS5000B Series Service Manual Commands Example DIAg ITEM FAILURES 2 This query might return DIAG ITEM FAILURES 2 0 This indicates there were 0 failures for item 2 DIAg ITEM NAMe This query only command returns the name of the selected menu item This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Subsystem Area and Test set
137. tings This query can be issued while diagnostics are still in progress Related Commands DIAg ITEM DIAg ITEM FAILURES DIAg ITEM RESULT DIAg ITEM SUBITEMS Syntax DIAg ITEM NAMe lt NR1 gt Arguments lt NR1 gt sets the index item about which data will be returned which ranges from 0 through 15 Example DIAg ITEM NAMe 2 This query might return DIAG ITEM NAME 2 Acquisition This indicates that the selected menu item 2 is Acquisition DIAg ITEM RESULT This query only command returns the result from the last execution of the item This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status This query can be issued while diagnostics are still in progress Related Commands DIAg ITEM DIAg ITEM NAMe DIAg ITEM FAILURES DIAg ITEM SUBITEMS TDS5000B Series Service Manual 5 23 Commands Syntax Arguments Example 1 Example 2 Example 3 DIAg ITEM RESULT lt NR1 gt NRI sets the index item about which data will be returned which ranges from 0 through 15 DIAg ITEM RESULT 2 This query might return DIAG ITEM RESULT 2 Pass indicating that the item passed during the last execution DIAg ITEM RESULT 2 This query might return DIAG ITEM RESULT 2 Fail indicating that the item failed during the last execution DIAg ITEM RESULT 2 This query might return DIAG ITEM RESULT 2 indicating that t
138. u will double click to execute the calibration procedure 5 For the sample program program execution is a matter of pressing the start calibration button Calibration Program Operation The sample calibration application has two buttons One starts the calibration process and one exits the application There are two text output windows The first supports a scrolling step status list The second has an update of the current status including a display of a simple progress bar during the calibration Press the Start Calibration button After pressing this button all buttons become inactive until calibration is complete The application checks GPIB communication with the TDS5000B oscilloscope and the Wavetek 9500 to insure that it can control these devices and reports in TDS5000B Series Service Manual 5 5 Calibration Procedure 5 6 the output window the response of these devices As each step is performed the output window will have test signal requirements display and after the TDS5000B has completed that calibration step the results will be displayed That is a scrolling history window and the results from the complete calibration can be reviewed The status window will display a rough progress bar during calibration Some calibration steps can take more than 11 minutes and the status window is only updated between steps so be patient Locate your calibration program You can adapt the sample program listed on pa
139. uration is changed to AGP reset the screen by hitting CTRL ALT DEL twice This resets Windows and TP1102 5 When you are done troubleshooting change the BIOS setting back to PCI NOTE The 69000 video adapter located on the Tektronix PC Interface board is the primary video adapter A second video adapter is located on the PC motherboard The PC motherboard has an AGP video adapter and the 69000 is a PCI bus video adapter The 69000 is made the primary video adapter because it can drive LCD panels Tektronix forces the 69000 to be the primary video adapter via BIOS setting Advance Video Configuration Primary Video Adapter PCI TDS5000B Series Service Manual Troubleshooting PC SVGA Video Windows Only PCI Video from PC Interface Same as LCD Note Video can only be used after a reset is initiated not while the application is running Figure 6 30 PCI and AGP video connectors Installing the PC Motherboard Serial Number To install a serial number into the oscilloscope do the following steps 1 Connect a PC with a GPIB interface to the GPIB interface of the oscilloscope WARNING Make sure the unique identifier does not end in all zeros before generating or setting the key 2 Use the following command to install the serial number the actual serial number should be in single quotes HWAccountant SERIAL serialNumber 3 After sending this command reboot the instrument After rebooti
140. ure 6 6 on page 6 19 Note the location of cables and cable connectors see Figure 6 16 on page 6 32 Additional modules to be removed m Trim all except front panel and acquisition m Right side cover W Printer frame m Floppy disk drive 2 Orient the oscilloscope Set the oscilloscope so the bottom is down on the work surface and the right side panel is facing you 3 Remove the CDRW Disk Drive assembly See Figure 6 19 on page 6 37 a Verify that the oscilloscope is powered off b Remove the T 15 Torxdrive screw that secures the CDRW Disk Drive assembly to the chassis c Pull the CDRW Disk Drive assembly away from the chassis far enough to disconnect the cables See Figure 6 19 4 Remove the CDRW Drive from the assembly See Figure 6 18 a Remove the four Phillips screws that secure the drive to the bracket b Gently pull the drive away from the connector and remove the drive from the bracket TDS5000B Series Service Manual 6 35 Removal and Installation Procedures 0 Phillips 4 screw 4 403 CDRW drive bracket gt N by Ilo CDRW drive gt Mae Figure 6 18 Removing the CDRW drive from the bracket 5 Reinstallation Do in reverse steps 3 and 4 to reinstall the CDRW drive 6 36 TDS5000B Series Service Manual Removal and Installation Procedures Motherboard assembly Ria Wi ue Disconnect from P 7s y the CDRW drive Nac assembly To hard drive j
141. ures that occurred Returns the name of the selected menu item Returns the result of the last test executed on this item Returns the number of subitems associated with this item DIAg LEVEL Sets the current level of diagnostic test hierarchy DIAg LOOPS Returns the number of times the diagnostics were completed during the last execution DIAg NAMe Returns the subsystem name area and test name of the current diagnostic test DIAg NAMe AREA Returns the selected area of the current diagnostic test DIAg NAMe SUBSYS Returns the subsystem of the current diagnostic test DIAg NAMe TEST Returns the name of the current diagnostic test DIAg NUMITEMS Returns the number of items on the currently DIAg RESults DIAg RESults VERBose selected level of test hierarchy Returns a brief pass or fail status of the last test execution Returns a more explanatory message about the results of the last diagnostic execution DIAg SELect ALL Selects all available diagnostics DIAg SELect AREA Selects one of the available diagnostic areas DIAg SELect LAST Sets the last item of a group of items from the same level of test hierarchy DIAg SELect SUBSYS Selects one of the available diagnostic subsystems DIAg SELect TEST Selects one of the available diagnostic tests DIAg STATE Sets the instrument operating state TDS5000B Series Service Manual Commands DIAg CONTROL HALT 5 20 Related Commands Syntax Arguments Example
142. valent to selecting Instrument Diagnostics from the Utilities menu choosing a test and then pressing Run NOTE Turning off both DIAg CONTROL HALT and DIAg CONTROL LOOP before executing the TEST command is recommended TEST lt NR3 gt lt NR3 gt sets the test ID which ranges from 0 through 3 characters If no test ID is specified all available diagnostics are executed TEST 1 executes all Acquisition tests Subsystem Acquisition TEST 11 executes all Acquisition Memory tests Subsystem Acquisition Area Memory TEST 113 executes a specific Acquisition Memory test Subsystem Acquisition Area Memory Test Address Lines This query only command returns an abbreviated status about the results of the last TEST execution This command is equivalent to selecting Instrument Diagnostics from the Utilities menu and then reviewing the Diagnostic Status TEST TEST RESults VERBose TEST RESults TEST RESults TDS5000B Series Service Manual Commands Example 2 Example 3 might return TEST RESULTS 135 indicating the specific failure code of the first test failure TEST RESults might return TEST RESULTS PASS indicating the previously executed test passed TEST RESults might return TEST RESULTS indicating the test was not run TEST RESults VERBose Related Commands Syntax Example This query only command returns a more explanatory message about the results of
143. vetek 9500 and the TDS5000B oscilloscope to achieve Factory Calibration of the TDS5000B There is no validation of the accuracy of the calibration preformed That is there is no performance validation within this sample calibration program After the controller is set up you need to install the Tek Visa drivers from a CD ROM that was shipped with the oscilloscope You also need to input and compile your calibration software such as the sample program listed later in this chapter The sample procedure listed is fully automated Once the program is started all of the steps will run without manual intervention Instrumentation Setup Before you can execute the sample calibration program you need to set up and configure the instrumentation Make connections according to Figure 5 1 GPIB cables daisy chained onto the oscilloscope GPIB connector GPIB cable GPIB cable Oscilloscope Controller Connect Wavetek 9520 or 9530 output modules to the oscilloscope CH 1 through CH 4 inputs as shown Q OQDODO Re Wavetek 9500 O Figure 5 1 Calibration setup TDS5000B Series Service Manual 5 3 Calibration Procedure 5 4 Once the connections have been made follow these steps NOTE If you have just completed the performance verification procedure you can skip all the following steps
144. void 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 Do Not Operate Without Covers Do not operate this product with covers or panels removed 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 With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation Symbols and Terms Terms in this Manual These terms may appear in this manual TDS5000B Series Service Manual vii General Safety Summary viii A A 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 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 a
145. ween the PC interface board and the Acquisition board Install the six 1 15 Torxdrive screws that secure the Acquisition board to the front panel Install the six 1 15 Torxdrive screws that secure the Acquisition board to the chassis Connect the three coaxial cables to the Acquisition board 6 47 Removal and Installation Procedures T 15 Torx Acquisition circuit board screw 6 Disconnect ribbon cable from Ne x the acquisition board Probe interface circuit board cable 1 screw 6 Coaxial cable 2 Figure 6 25 Acquisition circuit board removal 6 48 TDS5000B Series Service Manual a ees Troubleshooting WARNING Before performing this or any other procedure in this manual read the General Safety Summary and Service Safety Summary found at the beginning of this manual To prevent possible injury to service personnel or damage to electrical compo nents please read Preventing ESD on page 6 1 This section contains information and procedures designed to help you isolate faults to a module This section assumes that service personnel have the prerequisite skills required to work on this oscilloscope including PC troubleshooting and Windows 2000 skills Details of PC and Windows 2000 operation and service are not in this manual For assistance contact your local Tektronix Service Center Serv
146. with direct access to commonly used oscilloscope functions You can also use the oscilloscope with a mouse pointing device or keyboard A signal enters the oscilloscope through a direct coaxial connection to the input connector or a probe connected to the front panel Acquisition Board The acquisition board conditions the input signals samples them converts them to digital signals and controls the acquisition process under direction of the processor system The acquisition system includes the multi source trigger acquisition timebase and acquisition mode generation and control circuitry The acquisition board is located in the bottom compartment of the oscilloscope Two or four vertical channels are accommodated All channels feature a Tekprobe Level 2 interface for additional front end signal conditioning functions like high input impedance real time probes Waveforms and menus are displayed on a 10 4 inch color active matrix LCD liquid crystal display with an optional integral touch panel TDS5000B Series Service Manual 3 1 Theory of Operation Front Panel 3 2 Display System Text and waveforms are processed by different parts of the display circuitry The display system display adapter board and inverter board sends the text and waveform information to the display panel Touch Panel Optional The display board sends information from the touch panel to the processor Any changes in settings are reported to the proce
147. your local Tektronix field office or representative will contact you concerning any change in part number Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance Module Exchange In some cases you may exchange your module for a reman ufactured module These modules cost significantly less than new modules and meet the same factory specifications For more information about the module exchange program call 1 800 833 9200 select option 2 Module Repair and Return You may ship your module to us for repair after which we will return it to you New Modules You may purchase replacement modules in the same way as other replacement parts TDS5000B Series Service Manual 10 1 Mechanical Parts List Using the Replaceable Parts List Parts list column descriptions Column Column name 1 Figure amp Index Number 2 Tektronix Part Number 3and4 Serial Number 5 Qty 6 Name amp Description 7 Mfr Code 8 Mfr Part Number Abbreviations 10 2 This section contains a list of the mechanical and or electrical components that are replaceable for the oscilloscope Use this list to identify and order replace ment parts The following table describes each column in the parts list Description Items in this section are referenced by component number Use this part number when ordering replacement parts from Tektronix Column three in

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