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Tektronix Logic Analyzer Module (TLA7Nx, LTA7Px, & TLA7Qx

1. Most significant digit Flash programming jumper pins Figure 2 1 Logical address switches Merging Modules You can combine up to three logic analyzer modules to create a single two or three wide module This process is called merging modules The procedures for merging modules is described in the Tektronix Logic Analyzer Family User Manual Software Installation and Removal 2 2 These procedures describe loading and unloading the performance verification and adjustment software Refer to the Tektronix Logic Analyzer Family User Manual for information on installing or removing any other software It is recommended you have gt 10 MB of free space the hard drive before installing the software The Performance Verification software is located on Disk 1 of the Tektronix Logic Analyzer Family Application Software CD TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Operating Information NOTE This installation program uses parameters you supply to create a custom start up file in your hard disk directory The batch file enables the software to configure your instrument properly before it runs the program 1 Power on the instrument 2 Exit the Application Verify PV Adjust Software If your logic analyzer already has PV Adjust software loaded on it you must
2. 9 1 Mechanical Parts List Parts Ordering 1 10 1 Using the Replaceable Parts List 10 2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual iii Table of Contents List of Figures Figure 2 1 Logical address Figure 2 2 Front panel of the logic analyzer module Figure 2 3 Location of modules in a two way merge Figure 2 4 Location of modules in a three way merge Figure 4 1 Calibration certification procedure flow chart Figure 4 2 Probe functional verification test setup Figure 4 3 Activity Monitor Figure 4 4 Adjustment verification fixture connections and jumper locations Figure 4 5 DC Threshold test Figure 4 6 Initial Setup test setup Figure 4 7 Initial Hold test setup Figure 4 8 test Figure 4 9 Adjustment verification fixture detail Figure 4 10 Probe tip adapter detail Figure 4 11 Adjustment verification fixture detail Figure 5 1 P6434 probe detail Figure 5 2 Initial des
3. C2 C3 CK3 fixture Fixture supply Channel Group T Clock channel gt 2 4 w Figure 4 6 Initial FPV Setup OF test setup 1 If the logic analyzer application is running quit the application and verify that all of the prerequisites listed previously are met for the procedure 2 Follow the on screen instructions to run each portion of the test for each parameter of the LA module 3 Verify that all of the tests pass If a test fails run the Deskew routine as described on page 5 8 then rerun the test 4 18 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module LA Module Procedure 3 This procedure verifies the hold time of the LA Module Hold SW test name Hold OF Equipment re Adjustment verification fixture and fixture supply item 2 quired Prerequisites Warm up time 30 minutes Test equipment connected as shown in Figure 4 7 Diagnostics and SELF CAL pass Adjustment verification fixture Fixture supply C2 C3 CK3 J5 Channel Group n 126 Figure 4 7 Initial FPV Hold OF test setup 1 If the logic analyzer application is running quit the application and verify that all of the prerequisites listed previously are met for the procedure 2 Follow the on screen instructions to run each portion of the test for each parameter of the LA module 3 Verify th
4. Pin 38 side Pin 1 side Pin 38 side Figure 5 1 P6434 probe detail 4 Select a full adjustment sequence 5 Connect the test equipment 5 4 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Logic Analyzer Module Adjustment Procedures Set up the test equipment for the output signals described by on screen instructions and by the connection illustration for each test Run each adjustment step as instructed by following the on screen prompts After completing all the adjustment steps view the results to confirm that the adjustment was successful When a test passes the software automatically loads new calibration data into memory Troubleshooting If any adjustments fail use the following steps to troubleshoot the problems Tests Performed Check all test equipment for improper or loose connections Check that all test equipment is powered on and has the proper warm up time Verify the adjustment verification fixture LED is lighted and the jumper positions match the on screen instructions and the external connections are correct Rerun mainframe or module diagnostics and module self cal Run the adjustment procedures a second time to verify the failure The adjustment procedures check and adjust the following parameters of the LA module SELF CAL an internal routine in the logic analyzer applica
5. J17 gt 19 Jumper installed clocked on falling edge Jumper removed clocked on rising edge Ext OOO J15 Ext Int Clock select J11 OOOOO 12345 J16 Deskew Figure 4 4 Adjustment verification fixture connections and jumper locations 4 16 P6417 and P6418 Threshold out A 00000000 00000000 00000000 46 00000000 00000000 o P6417 and 9 P6418 69 Data out gt P6434 J13 J5 Data out J4 f Deskew 1 1 Probe O O O Clock O GND setup O O Clock O O GND J4 P6434 Setup Hold Deskew Probe setup Clock out TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module LA Module Procedure 1 This procedure verifies the DC Threshold Accuracy of the LA Module This test FPV DC Threshold _ is performed once and applies to all channels of the module SW test name FPV DC Threshold Equipment re Adjustment verification fixture and fixture supply item 2 quired Voltage reference item 11 Precision BNC cable item 15 Dual banana to BNC adapter item 10 Capacitor 0 1 uF item 12 Prerequisites Warm up
6. A CAUTION Static discharge can damage any semiconductor component m Minimize handling of static sensitive modules m Transport and store static sensitive modules in their static protected containers Label any package that contains static sensitive modules m Wear a grounded antistatic wrist strap while handling these modules Service static sensitive modules only at a static free work station TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 1 Maintenance m Nothing capable of generating or holding a static charge should be allowed on the work surface m Handle circuit boards by the edges when possible m Do not slide the modules over any surface Inspection and Cleaning General Care Inspection and Cleaning 6 2 Procedures A Exterior Inspection Inspection and cleaning are done as preventive maintenance Preventive maintenance when done regularly may prevent malfunctions and enhance reliability Preventive maintenance consists of visually inspecting and cleaning the logic analyzer module and using general care when operating it How often to perform maintenance depends on the severity of the environment in which the logic analyzer module is used A proper time to perform preventive maintenance is just before performing adjustments on the module The side cover keeps dust out of the module and should be in place during normal operation Inspect and clean the logic analyzer mod
7. 14 AC AC t 9 oo 5 e O Q A Master Slave Module Module Figure 2 3 Location of modules in a two way merge TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 2 11 Operating Information Three Way Merge In a three way merge TLA7Nx TLA7Px or TLA7Ox LA modules only the master module is in the center Slave module 1 is to the right of the master module Slave module 2 is on the left of the master module as shown in Figure 2 4 CEN ae Wa e O e Br el jeg BL led O O O O O Q Tol Q O Q 0 Slave Master Slave Module 2 Module Module 1 Figure 2 4 Location of modules in a three way merge 2 12 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual a as Theory of Operation The basic logic analyzer module consists of two main circuit boards the LPU local processor unit board and the acquisition board The logic analyzer modules with 102 or 136 channels also have one and two respectively compar
8. Adjustment Verification Fixture Adjustment Data Pulse Width Adjustment Parameter tested Equipment Required Prerequisites The following procedure adjusts the data pulse width Data Pulse Width Adjustment verification fixture and power supply item 2 Oscilloscope item 3 Two 1 MQ 10X oscilloscope probe item 4 Shorting jumpers item 14 Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Set up the oscilloscope by pressing Setup and then press Factory Setup and then press OK Confirm Factory Init to return the oscilloscope to default conditions 2 Set up the oscilloscope as listed below a Set up the CH1 Vertical menu as follows m Coupling W Fine Scale W Position DC 50 Q 200 mV div 3 32 div b Set up the Horizontal menu as follows m Time Base Main m Record Length 5000 m Horizontal Scale Main Scale 1 ns div c Set up the Trigger menu as follows m Source CH1 m Coupling DC Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Measure m Gating Off TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 15 Adjustment Verification Fixture Adjustment e Set up the Cursor menu as follows m Function V Bars f Set up the Acquire menu as follows Acquisition Mode Sample m Repetitive Signal On 3 Move shorting jumpers at J16 to MIN PULSE Connect the jumpers to p
9. Jumper setting 1 3 and 5 6 connected INT 1 2 and 4 5 connected HOLD Removed Set up the oscilloscope by pressing Setup and then press Factory Setup and then press OK Confirm Factory Init to return the oscilloscope to default 1 Install the following jumpers Jumper Jumper name J13 P6434 Deskew probe setup J15 Clock selection J16 Deskew J17 Setup hold select J19 Clock polarity select 1 conditions 2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Set up the oscilloscope as listed below a Set up the CH1 Vertical menu as follows m Coupling W Fine Scale W Position DC 50 Q 200 mV div 3 32 div b Set up the Horizontal menu as follows m Time Base m Record Length m Horizontal Scale Main 5000 Main Scale 200 ps div Adjustment Verification Fixture Adjustment 5 20 c Set up the Trigger menu as follows Source CH2 m Coupling DC m Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Measure m Gating Off e Set up the Cursor menu as follows m Function V Bars f Set up the Acquire menu as follows Acquisition Mode Sample m Repetitive Signal On Connect the CH2 probe to J1 and trigger on the rising edge of the pulse Connect the CH1 probe to R67 and center the rising edge on the center horizontal graticule Connect the CH1 probe to R127 and record the difference in timing between R67 and R127 using the
10. Logic Analyzer Module Adjustment Procedures 4 Run the performance verification and adjustment software Run the C Tekcats Tla_la program then select the correct module type and the adjustment option NOTE These procedures assume that P6418 or P6417 probes are used If you have a P6434 probe use J5 the Data Out connector on the adjustment verifica tion fixture for performing the deskew test Observe proper polarity pin 1 to pin 1 5 Follow the on screen prompts to perform the module deskew adjustment procedure 6 Verify no failures occur for each test If desired you can print or save the results of the deskew adjustment operation However this is not required for calibration The file will be over written when the next adjustment or performance verification sequence is run Completing the Adjustment Steps After completing the adjustments obtain a copy of the test results and verify that all tests passed Run the Performance Verification Procedures to verify that the all parameters are within the allowable specifications as listed in the Tektronix Logic Analyzer Family User Manual TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 5 9 Logic Analyzer Module Adjustment Procedures 5 10 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual m rsvIrsO Adjustment Verification Fixture Adjustments This section contains the adjustment procedures for the adjustment verification fi
11. 06090 75915 00779 61857 75915 75915 TK6073 00779 TK0198 50434 50434 0JR05 Mfr part number 2510 6002UB 2 557102 1 94HAB16RA 87232 2 R451 002 SMD150 2 R451 008 536416 5 SP7 15A R451 010 45101 5 JW150F1 2 557100 5 163 1122 XX HLMP 1640 010 HLMP 1620 010 ORDER BY DESCR 10 9 Mechanical Parts List fe A s gt Pe Se a 7 05 2 bon 5 J A lt SLO Sse Ds Q 0 0 0 SS Figure 10 3 TLA700 Series Acquisition board exploded view 10 10 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mechanical Parts List TLA700 series Acquisition board replaceable parts list Fig amp index number 3 1 3 4 3 5 3 6 3 7 3 9 Tektronix part number 131 6697 XX 159 5009 XX 159 0159 XX 159 5010 XX 159 0146 XX 131 6174 XX 131 6021 XX 131 3363 XX 131 5980 XX 214 4747 XX 214 4748 XX Serial no effective Serial no discont d Qty Name amp description 1 CONN HDR SMD MALE STR 2 X 3 0 079 CTR 2MM 0 232 H X 0 122 TAIL 30 GOLD 5 FUSE INLINE SMD 1 5A 125V FAST BLOW 5 FUSE THRU HOLE REPLACEMENT SMD 1 5A 125V FAST BLOW 1 FUSE INLINE SMD 7A 125V FAST BLOW 1 FUSE THRU HOLE REPLACEMENT SMD 7A 125V FAST BLOW 2 CONN DIN PRESSFIT MALE RTANG 3 X 32 0 1 CTR 2 TLA7N3 7N4 7P4 7G4 CONN HDR SMD MALE STR 2 X 25 0 05 X 0 1 CTR 0 480 H SHRD 4 SIDES CTR PLZ LATCH
12. Connect the CH1 probe to R85 CLKO and position the rising edge on the center graticule Connect the CH1 probe to R67 P6434 A and record the positive delay between R85 and R67 using the vertical cursor bars on the oscilloscope Using the delay taps on Delay CLK1 ADJ add or subtract the appropriate delay to ensure zero skew 25 ps between R85 and R67 P6434 A See Note on page 5 16 Connect the CH1 probe to R39 P6434 B and record the positive delay between R85 and R39 Using the delay taps on Delay CLK2 ADJ add or subtract the appropriate delay to ensure zero skew 25 ps between R85 and R39 P6434 B See Note on page 5 16 Connect the CH1 probe to R321 P6434 deskew CLK and record the positive delay between R85 and R321 Using the delay taps on Delay DESKEW CLK ADJ next to P6434 add or subtract the appropriate delay to ensure zero skew 25 ps between R85 and R321 P6434 deskew CLK See Note on page 5 16 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Adjustment Verification Fixture Adjustment Adjustment verification fixture and power supply item 2 Hold Time Adjustment following procedure is used to adjust the hold time Parameter tested Hold Time Adjustment Equipment Required Prerequisites equipment Oscilloscope item 3 Shorting jumpers item 14 Two 1 MQ 10X oscilloscope probe item 4 Warm up time 30 minutes for adjustment verification fixture and test
13. Make sure tab inserts into slot on rear of front panel Leave no vertical gap Figure 6 4 Seating the cover on the chassis 5 While holding the cover in place install the four T 10 Torx drive screws nearest the front of the module two on each side of the cover to secure the cover to the chassis 6 If you have a 102 channel module or a 136 channel module install the four T 10 Torx drive flat head screws near the front of the module 6 10 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Daughter Boards Removal 7 Slide the rear panel on the chassis and install the two rear panel T 10 Torx drive screws 8 Install the two remaining T 10 Torx drive screws nearest the rear of the module one on each side of the cover 9 Check and tighten all screws to 4 in lbs You will need a screwdriver with a size T 10 Torx tip to replace daughter boards if applicable It is not necessary to remove the local processor unit board to access the daughter boards The number of daughter boards in your module depends on the number of channels it contains m 136 channel modules contain two daughter boards m 102 channel modules contain one daughter board m 68 and 34 channel modules do not contain daughter boards See Figure 6 5 on page 6 12 for an example of a 136 channel module that contains two daughter boards NOTE Refer to Table 6 8 on page 6 38 and Table 6 9 on page 6 3
14. TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Troubleshooting While the tests are executing the word Running displays adjacent to the tests When the tests are complete either a Pass or Fail indication displays adjacent to each test Fault Isolation Procedure Primary Troubleshooting Tree Figure 6 15 on page 6 35 provides troubleshooting steps that test the logic analyzer module Use the following procedure with that tree To determine if module is recognized perform the following steps 1 Install the logic analyzer module into a known good mainframe 2 Before you power on the mainframe look at the READY ACCESSED ARM D and TRIG D front panel indicators 3 Power on the mainframe and note how the front panel indicators respond a Verify that the green READY indicator turns on while the diagnostics are being checked If the green READY indicator does not turn on the module is not being recognized which indicates possible problems on the Local Processor Unit board b Verify that after a few seconds the ACCESSED indicator turns on The indicator stays on while the module is accessed by the controller After the System window displays the indicator blinks anytime the controller accesses the module 4 Ifaand b are verified the module is recognized if not verified the module is not recognized Proceed as the troubleshooting tree instructs 5 If diagnostic failures occur replace the boar
15. TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 7 Logic Analyzer Module Adjustment Procedures LA Adjustment deskew procedure calibrates and adjusts the timing alignment of the probe Procedure 2 data channels and receivers peke Perform the deskew procedure Once a year If you have replaced the LPU board the probe constants are stored on the LPU board This procedure checks and adjusts the time alignment of all channels There are no manual adjustments SW test name Deskew Equipment Adjustment verification fixture and fixture supply item 2 required Two P6417 or P6418 Logic Analyzer probes item 6 OR One P6434 Logic Analyzer probe item 7 Prerequisites Warm up time 30 minutes Test equipment connected as shown in Figure 5 2 Merged modules of the same type must be separated and deskewed separately Diagnostics and SELF_CAL pass C2 C3 CK3 Adjustment verification Channel Group J5 fixture Fixture supply Clock ch i i 3 ock channe J1 eA Figure 5 2 Initial deskew test setup 1 If the logic analyzer application is running quit the application 2 Verify that all of the prerequisites listed previously are met for the procedure 3 Load the performance verification and adjustment software as described in the Software Installation and Removal on page 2 2 5 8 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual
16. Version verify that the version is the same as the version printed on Disc 1 of the Tektronix Logic Analyzer Family Application Software CD If the version of the PV Adjust software loaded on your logic analyzer is an earlier version you must delete the earlier version before you can load the newer version Verify Directories If your logic analyzer already has a directory named Tekcats or Temptek on the hard drive the software installation cannot be completed Follow these instruc tions to verify the directory is not present 1 Select Start Search For Files or Folders 2 In the Search for files or folders box type Tekcats or TempTek and then click the Search Now button fo search for either directory 3 If either directory is found follow the instructions under Removing the Software to remove the software and the directories Install the PV Adjust Follow these instructions to install the PV Adjust software Software 1 Close all open windows on the desktop 2 Insert Disk 1 of the Tektronix Logic Analyzer Family Application Software CD in the CD ROM drive 3 Click the My Computer Icon and double click the CD ROM drive 4 Double click the TLA Performance Verification folder 5 Double click on the Logic Analyzer PV folder and then double click the Disk1 folder 6 Double click the Setup exe icon to begin the installation program 7 Follow the on screen instructions to install the software on th
17. item 8 Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Set the jumper positions as listed in the table Jumper Jumper name Jumper setting J13 P6434 Deskew probe setup 3 5 connected J15 Clock selection INT J16 Deskew 2 3 and 4 5 connected J17 Setup hold select HOLD J19 Clock polarity select Removed 2 Using the frequency counter measure the oscillator frequency at pin J1 2 The frequency should match what is listed on the Calibration Data report 3 Record this measurement on the Calibration Data Report TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 29 Performance Verification Ajustment Verification Fixture Verify Data Output Channel to Channel Skew 4 30 Use the following procedure to verify the channel to channel data skew Parameter tested Channel to channel data skew Equipment Oscilloscope item 3 reared 2 DSO probes item 4 Custom probe tip adapter see Figure 4 10 page 4 26 Prerequisites Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Set the jumper positions as listed in the following table Jumper Jumper name Jumper setting J13 P6434 Deskew probe setup 3 5 connected J15 Clock selection INT J16 Deskew 2 3 and 4 5 connected J17 Setup hold select HOLD J19 Clock polarity select Removed 2 Set up the oscilloscope by pressing Setup Factory Setup and then OK Con firm Factory Init to return
18. perform the self calibration if the following conditions occur m After repair and replacement of any circuit board It has been a year since the last self calibration was run m If you have just merged calibrated LA modules and received an out of calibration on screen message You will need to run self calibration on the merged modules TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Logic Analyzer Module Adjustment Procedures LA Adjustment Perform the following steps to run the SELF CAL routine Before beginning Procedure 1 this procedure be sure that no active signals are applied to the LA module SELF CAL Self calibration can fail if signals are applied to the probe during the procedure Prerequisites Warm up time 30 minutes Power up diagnostics pass 1 Ensure that the instrument has had a 30 minute warm up before attempting the self calibration and that the logic analyzer application is running Disconnect any probes connected to the LA module Select Calibration and Diagnostics from the System menu Select the Self Calibration tab page Select the LA module SY US 219 Click the Run button to start the self calibration The self calibration takes several minutes to complete depending on the number of channels in the module Upon successfully completing the self calibration the module status changes from Running to Calibrated and the Date and Time field is set to the present TLA7Nx
19. to help isolate faults to an individual circuit board 6 Use the Removal and Installation Procedures that begin on page 6 5 to replace the faulty circuit board NOTE Before replacing modules be sure to inspect all associated cables and connectors for damage and proper installation 7 Refer to Table 6 8 on page 6 38 after module replacement and perform all verification and adjustment procedures identified for the replaced module TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Troubleshooting Primary Troubleshooting Chart Start TLA application No Module recognized Flash jumper installed Run extended diagnostics Address switches set to 00 Set switches to FF Kernel tests pass Replace LPU board Faulty mainframe mainframe Only at speed threshold acquire test fail Replace daughter board Check fuses see page 6 23 for fuse location Other test fail Replace acquisition board Replace fuses Self calibration fail Faulty module firmware No Replace LPU board acquisition board Reinstall firmware Good module Figure 6 15 Primary troubleshooting chart TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 35 Troubleshooting Diagnostic Tests Table Table 6 7 can help you isolate problems to one of the three circuit boards the module use
20. DAC circuitry and local processor unit board interface 0950 F940 5V Protect the clock circuitry F0941 F951 12 V Protect the clock circuitry and the digital to analog converter circuitry F0943 F953 12 V Protect the clock circuitry and the digital to analog converter circuitry TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Removal Table 6 5 Acquisition board fuses Cont Installed In Replace Voltage Purpose line Fuse ment Thru Circuit hole Fuse Circuit F991 F0992 24V Protects the 24 V to the local processor unit board The 24 V power a 24 V to 3 3 V DC to DC converter that powers the acquisition RAM F990 F0993 24 V Protects the 24 V to the local processor unit board The voltages power 24 V to 3 3 V DC to DC converter that 5 V powers the acquisition RAM You will need a screwdriver with a size T 10 Torx tip a soldering iron and solder wick to replace the fuses Use the following procedure and Figure 6 12 to remove the fuses 1 Perform the Local Processor Unit Board removal procedure see page 6 13 2 Use Figure 6 12 to locate the fuse to be replaced on the component side of the boards For fuses mounted on the back side of the acquisition board perform the Acquisition Board removal procedure see page 6 17 3 Unsolder and discard the fuse Acquisition board LPU board Figure 6 12 Fuse replacement TLA
21. 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 E Table of Contents Specifications Operating Information Theory of Operation General Safety Summary Service Safety Summary Pref ce oro AR ee iho WO Manual Stricture AE sal is es ae b E Pagus Manual Conventions 42 Relat d Manuals eee weaned Contacting Tektronix osc Feed RE E Introd cti ni gu Bea aA eae See a Adjustment and Certification Interval Strategy for Servicing ii ooi s a ped Sie aa Service Offerings 22225 Dag lh deo dares Ded e eee grad ate Product Description eene debere uir Characteristic Tables 2 2 22222222224 04 9 04 dep oe Installation 32er e unto Software Installation and Removal Operating Information 121 be bene ea ce
22. H X 0 187 TAIL W O MTG FL POWER SUPPLY EXTERNAL WALL MOUNT 18W 120VAC 60HZ IN 12VDC 1 5A OUT UNREG USA 183CM CABLE STR POWER SUPPLY EXTERNAL WALL MOUNT 18W 220VAC 50HZ IN 12VDC 1 5A OUT UNREG EUROPEAN 183CM CABLE POWER SUPPLY EXTERNAL WALL MOUNT 18W 220VAC 50HZ IN 12VDC 1 5A OUT UNREG UK 183CM CABLE STR C POWER SUPPLY EXTERNAL WALL MOUNT 18W 100VAC 60HZ IN 12VDC 1 5A OUT UNREG JAPAN 183CM CABLE ST Mfr code 00779 00779 55322 22526 53387 60381 00779 0 01 80009 0 01 80009 50434 75915 2449 13103 13103 93907 55285 00779 0090 0090 0090 0090 Mfr part number 104326 4 382575 3 TMM 136 02 G 2 48283 018 151250 8422 TY 105 1089 00 767004 1 ORDER BY DESCR 348 0048 00 ORDER BY DESCR 671 3599 01 HLMP 6305 021 45101 5 DJ 005 A 6072B 7721 7PPS B80 00020 003 7403 09FR 51 227677 1 WD1E1500C12CP WD13E1500C12CP WD35E1500C12CP WD49E1500C12CP TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mechanical Parts List Figure 10 4 Adjustment verification fixture exploded view TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 10 13 Mechanical Parts List 10 14 TLA7Nx TLA7Px amp 7 Logic Analyzer Module Service Manual
23. SETUP us 1 EXT OOO INT ooooo Clock O o GND J17 J19 J15 12345 SEIUPqOOOj Clock 00 GND Setup Hold Jumper installed Ext Int J16 6 J4 select clocked on falling edge Clock select DESKEW P6434 Setup Hold Jumper removed Deskew Probe setup Clock out clocked on rising edge Figure 4 11 Adjustment verification fixture detail Table 4 6 Adjustment verification fixture jumper settings Jumper Jumper name Jumper function J13 P6434 Deskew probe Determines whether checking setup hold or deskew for the setup P6434 probe J5 J15 Clock selection Determines whether the internal clock 50 065 MHz or the external clock J18 BNC will drive the circuitry J16 Deskew Selects between minimum or nominal pulse width J17 Setup hold select Determines whether checking setup time or hold time J19 Clock polarity select Selects polarity of the clock for setup and hold testing 4 28 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Ajustment Verification Fixture Verify Internal Clock Use the following procedure to verify the internal clock frequency Frequency Parameter tested Equipment required Prerequisites Internal clock frequency Frequency counter
24. Threshold range and step size Threshold channel selection Channel to channel skew Channel to channel skew Typical Sample uncertainty Asynchronous Synchronous Probe input resistance Typical Probe input capacitance P6417 P6434 Typical Probe input capacitance P6418 Typical Minimum slew rate Typical Maximum operating signal Description 100 mV Setable from 5 V to 2 V in 50 mV steps 16 threshold groups assigned to channels P6417 and P6418 probes have two threshold settings one for the clock qualifier channel and one for the data channels P6434 probes have four threshold settings one for each of the clock qualifier channels and two for the data channels one per 16 data channels lt 1 6 ns maximum When merged add 0 5 ns for the slave module lt 1 0 ns typical When merged add 0 3 ns for the slave module Sample period 500 ps 20 2 pF 1 4 pF data channels 2 pF CLK Qual channels 0 2 V ns 6 5 Vp p 3 5 V absolute input voltage minimum 6 5 V absolute input voltage maximum Probe overdrive P6417 P6418 P6434 250 mV or 25 of signal swing minimum required beyond threshold whichever is greater 300 mV or 25 of signal swing minimum required beyond threshold whichever is greater 4 V maximum beyond threshold Maximum nondestructive input signal to probe 15 V Minimum input pulse width signal 2 ns single channel Typical Delay time from pro
25. access other parts of the system Read the General Safety Summary in other system manuals for warnings and cautions related to operating the instrument 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 avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Connect the ground lead of the probe to earth ground only Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Replace Batteries Properly Replace batteries only with the proper type and rating specified 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
26. board rear connector while aligning the LPU board until the LPU board is even with the acquisition board 3 Reinstall the top EMI bracket if you removed it in step 4 on page 6 13 reinstall and tighten the two T 10 Torx drive screws that hold the EMI bracket in place TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Tabs on LPU board Push forward on P1 connector during installation Chassis Figure 6 7 Inserting LPU board tabs into front subpanel 4 Crimp and fold the two 100 pin ribbon cables as shown in Figure 6 8 and then connect them to the LPU board at J1330 and J1630 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 15 Removal and Installation Procedures PS 12 mm 437 in Crimp cable as shown before connection to LPU board lt 3mm 125 in Figure 6 8 Crimping the interconnect cables 5 While holding the LPU board in place install the cable bracket and the five T 10 Torx drive screws that secure the board to the chassis 6 Perform the Cover installation procedure see page 6 8 NOTE After replacing the LPU board you must verify the proper PowerF lex level The PowerFlex configuration information is listed on the side panel of the logic analyzer module If the PowerF lex level does not match the information on the side panel label you must return the entire lo
27. channels for the logic analyzer Data from these channels is sent to the acquisition board for processing with other data from the acquisition board Functional verification procedures verify the basic functionality of the instru ment These procedures include power on and extended diagnostics self calibration as well as semi automated or manual check procedures These procedures can be used as incoming inspection purposes This manual provides information on power on and extended diagnostics and the self calibration The Local Processor Unit LPU Board The LPU board is one of the circuit boards inside the logic analyzer module that provides the main communications interface with the mainframe TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Preface Maintenance Procedures Maintenance procedures are used for fault isolation and repair to the circuit board level or to the replaceable part level Modules Throughout this manual the term module refers to a logic analyzer or DSO unit that mounts inside a mainframe A module is composed of circuit cards interconnecting cables and a user accessible front panel Performance Verification Procedures Replaceable Parts Performance verification procedures confirm that a product meets or exceeds the performance requirements for each of the published specifications This manual refers to any field replaceable assembly or mechanical part specifically by
28. clock rate cannot be merged All maximum sync rates must match for the entire merged set Merged modules of unequal memory depths will assume the depth of the shallowest module When merging two modules of unequal channel widths use the module with the higher number of channels as the master module When merging three modules of unequal channel widths use the module with the higher number of channels as the master module and use the module with the fewest channels as slave two Refer to Three Way Merge on page 2 12 for details The modules should have the same firmware version Two or three TLA7Nx TLA7Px 7 LA modules may be merged together Two TLA7Lx and TLA7Mx LA modules may be merged together TLA7Nx TLA7Px or TLA7Ox LA modules may not be merged with TLA7Lx and TLA7Mx LA modules Even if they are connected together Merging operations may not be destructive to an established merged module set To merge a module to an established merged set the established merged set must first be unmerged through software Unmerged modules are the only potential candidates to add to a merged configuration TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Operating Information Two Way Merge In atwo way merge the master module is on the left and the slave module is on the right as shown in Figure 2 3 tg VJ ER m a m
29. dlf files Troubleshooting If any tests fail use the following steps to troubleshoot the problems 1 Check all test equipment for improper or loose connections 2 Check that all test equipment is powered on and has the proper warm up time 3 If you are using the adjustment verification fixture verify the LED is lighted the jumper positions match the on screen instructions and the external connections are correct See Figure 4 4 for jumper locations 4 Rerun mainframe or module diagnostics and module adjustment 5 Run the tests a second time to verify the failure TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 15 Performance Verification Logic Analyzer Module Performance Verification Tests Use the following tables and figures to set up and execute each procedure NOTE The illustrations in the following procedures show P6418 or P6417 probes If you have a P6434 probe use J14 on the adjustment verification fixture for the DC Threshold test all other procedures using the P6434 probe use J5 the Data Out connector When using either type of probe always observe correct polarity GND to GND pin 1 to pin 1 P6434 Threshold out Threshold in External Clock in J18 Hold O 49 OOO J17 Hold Setup select Setup
30. locations Parameter tested Power supply Equipment DMM with test leads item 9 Required Prerequisites Warm up time 30 minutes for adjustment verification fixture and test equipment 2 Connect the DMM lead to J8 VEE 3 Connect the DMM lead to J10 Vpp and check for a voltage reading of 5 V 0 10 V 4 Connect the DMM negative lead to J9 GND 5 Connect the DMM positive lead to J10 and adjust R38 for a voltage reading of 2 00 V 10 mV 5 12 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Adjustment Verification Fixture Adjustment R38 Vpp adjust v oooooooold ooooooool C D 00000000 90000000 J8 Vee J6 7 7 55 a 114 92 gt gt WE gt 29 gt J10 oo m HH Y J15 98 J16 Jo lee 50 26 J3 J19 C gt n 5 Clock in 8 Vcc J13 J17 R39 J9 GND Deskew 1 Hold O O O Setup Ext oo O Int OOOOO Probem O O O J17 J19 J15 12345 Setup 9 Hold Setup Jumper inst
31. module trigger system Characteristic Description Triggering resources Word Range recognizers 16 word recognizers The word recognizers can be combined to form full width double bounded range recognizers The following selections are available 16 word recognizers 0 range recognizers 13 word recognizers 1 range recognizer 10 word recognizers 2 range recognizers 7 word recognizers 3 range recognizers 4 word recognizers 4 range recognizers Range recognizer channel order From most significant probe group to least significant probe group C2 C1 C0 E2 E1 E0 2 D3 D2 A1 A0 D1 00 Q3 02 Q1 00 CK2 Missing channels for modules with fewer than 136 channels omitted When merged the range recognition extends across all the modules the master module contains the most significant groups The master module is to the left lower numbered slot of a merged pair The master module is in the center when three modules are merged Slave module 1 is located to the right of the master module and slave module 2 is located to the left of the master module Glitch detector Each channel group can be enabled to detect a glitch Minimum detectable glitch pulse width 2 0 ns single channel with P6417 or a P6418 probe Typical Setup and hold violation detector Each channel group can be enabled to detect a setup and hold violation The range is from 8 ns before the clock edge to 8 ns after the clock edge Th
32. normally with the known good logic analyzer module installed the suspect logic analyzer module needs to be repaired Refer to Troubleshooting the Logic Analyzer Module on page 6 31 for the troubleshooting procedures you need to locate faults TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Troubleshooting Probe Level Troubleshooting If the fault is that the logic analyzer module acquires no data or faulty data the probe may be at fault Perform the following procedure to isolate such faults to a probe or to the logic analyzer module NOTE The procedure below requires that the logic analyzer is functional and operates normally when the modules are installed Procedures to functionally verify the probes are located in the probe manual 1 Verify that the probe is correctly connected to the module and to the system under test check for loose or disconnected probe channels 2 Move the suspected probe to another probe connector and observe if the problem follows the probe If the problem does not follow the probe the module may be faulty 3 Substitute the suspected probe with a known good probe and observe if the problem is still present If the problem still occurs the module may be faulty Refer to Troubleshoot the Logic Analyzer Module to isolate the problems within that module 4 If you have determined that the probe is faulty try to isolate the problem to an individual channel A faulty channel may
33. oscilloscope as listed below a Set up the CH1 Vertical menu as follows Coupling DC 50 Q m Fine Scale 200 mV div W Position 3 32 div TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 23 Performance Verification Ajustment Verification Fixture b Set up the Horizontal menu as follows m Time Base Main m Record Length 5000 m Horizontal Scale Main Scale 5 ns div c Set up the Trigger menu as follows Source CH1 m Coupling DC Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Frequency m Gating Off e Set up the Cursor menu as follows m Function Off f Set up the Acquire menu as follows Acquisition Mode Sample m Repetitive Signal On Using the oscilloscope and the custom probe adapter shown in Figure 4 10 on page 4 26 verify that the output frequency at J1 pin 2 on the adjustment verification fixture is 105 MHz Press the Run Stop button to stop the acquisition Disconnect the test equipment from the adjustment verification fixture This completes the functional verification procedures for the adjustment ver ification fixture TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Performance Verification Ajustment Verification Fixture Certification The internal system clock and clock output timing are checked for accuracy The adjustment verification fixture accuracy is certifiable if these parameters me
34. setup and hold window PowerFlex configurable to 200 MHz m 250 MHz asynchronous full depth selections with selectable sampling rates m 2 GHz asynchronous acquisition into a 2 K high resolution timing buffer m 250 MHz trigger capability plus special setup and hold violation triggering and glitch triggering m Data correlation with other modules This section lists the specifications for the logic analyzer module All specifica tions are guaranteed unless noted Typical Specifications that are marked with the symbol are checked directly or indirectly in the Performance Verification chapter The specifications apply to all versions of the logic analyzer module unless otherwise noted The performance limits in this specification are valid with these conditions m The logic analyzer module must have been calibrated adjusted at an ambient temperature between 420 C and 430 C m The logic analyzer module must be in an environment with temperature altitude humidity and vibration within the operating limits described in these specifications m The logic analyzer module must have had a warm up period of at least 30 minutes TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 1 1 Specifications Table 1 1 LA module channel width and depth Characteristic Number of channels Acquisition memory depth 1 PowerFlex options Table 1 2 LA module clocking Characteristic Asynchronous clocking Internal samp
35. the Removal and Installation Procedures beginning on page 6 5 to replace the faulty circuit board Table 6 7 Diagnostic tests Circuit board Group amp test Power on Extended LPU board Kernel ROM Check LPU RAM Address Decode NVRAM Check Acquisition board Timestamp Address Data Bus Memory Address Rollover NVININISN NVININISN NISN Timestamp Rollover Timestamp Fast Clock Acquisition RAM Data Bus 4 Acquisition RAM Address Bus Timestamp Acquire N NINVIN A INIA NISN Store Signals Acquisition board Clock Address Data Bus Qualifier Combiner RAM Clock State Machine RAM MagniVu RAM Acquisition RAM Data Bus Acquisition RAM Address Bus N N NINININ ON Store Signals NIV IN N N N Flag Bus Acquisition Data Path Address Data Bus MagniVu RAM Acquisition RAM Data Bus Acquisition RAM Address Bus Store Signals vs ON te NISN Bin amp Log Busses 6 36 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Troubleshooting Table 6 7 Diagnostic tests Cont Circuit board Acquisition board Daughter board TLA 7N3 TLA 7N4 TLA 7P3 and TLA 7 4 only Group amp test Trigger Address Data Bus Internal RAM Data Events Clock Events Log G Signal Trigger Crossbar Signal Trigger Lines Acquisition RAM RAM Selection Acq Clk TS RAM DAC Acquisition Address Decode At speed Threshold Acquire At speed Async Acqu
36. the installed modules Run the self calibration after a minimum of a 30 minute warm up and prior to running the extended diagnostics For more information on when to run the self calibration refer to Running the Self Calibration on page 2 8 Power On Diagnostics Power on diagnostics check basic functionality of the logic analyzer at every power on If any failures occur at power on the screen displays the calibration and diagnostics property sheet If there are no diagnostic failures when you power on the logic analyzer you can display and run the calibration and diagnostics property sheet by selecting Calibration and Diagnostics from the System menu Extended Diagnostics The extended diagnostics execute more thorough tests than the power on diagnostics Using the extended diagnostics you can do the following tasks m Run tests individually or as a group m Run tests once or continuously m Run tests until a failures occur NOTE Certain diagnostic tests will fail if probes are attached For best results run the diagnostics with probes disconnected from the module To run the extended diagnostics do the following steps Disconnect probes from the module s Start the TLA700 Series application if it is not already running From the System menu select Calibration and Diagnostics Select the Extended Diagnostics property page Select the individual tests group of tests or all tests SR oes e E Click the Run button
37. the oscilloscope to default conditions Set up the oscilloscope as listed below a Set up the CH1 and CH2 Vertical menu as follows Coupling DC 50 9 m Fine Scale 200 mV div W Position 3 00 div CH1 W Position 3 32 div CH2 b Set up the Horizontal menu as follows m Time Base Main m Record Length 5000 m Horizontal Scale Main Scale 2 ns div TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Ajustment Verification Fixture c Set up the Trigger menu as follows Source CH2 m Coupling DC m Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Measure m Gating On e Set up the Cursor menu as follows m Function V Bars f Set up the Acquire menu as follows Acquisition Mode Average 90 m Repetitive Signal On 4 Connect CH2 of the oscilloscope to J4 2 on the adjustment verification fixture 5 Select Deskew from the Vertical menu of the oscilloscope NOTE Observe proper polarity when doing the following steps See Figure 4 9 on page 4 23 to identify the ground side of the components being measured 6 Connect the probe of the oscilloscope to the custom probe tip adapter and measure the signal across R85 7 Use the large knob at the upper right of the oscilloscope panel to adjust delay until the leading edges of the two waveforms coincide and the displayed value of 1 2 delay is averaged aro
38. timing Data output channel to channel skew Setup clock output timing Hold clock output timing Description 16 grouped in two groups of eight and one group of two 36 grouped in one connector External clock input provided by user through a BNC connector External input provided by user through a BNC connector Provided by a wall transformer DC power supply 9 V to 12 V DC 5 V referenced to Veg 2 V referenced to ground GND 50 mV measured at C17 50 065 MHz 0 01 10K Motorola ECLinPS family outputs Output equals user applied input 1 0 Vp p centered around the fixture ground Specification is valid between 5 MHz and 210 MHz 12 Volts DC at 1 5 A Power is provided by one of the following power supply wall plugs 119 4855 00 119 4856 00 119 4859 00 and 119 4857 00 Input not greater than 5 V ground referenced 50 ps all channels within 50 ps relative to each other Adjusted for 3 0 ns setup 100 ps referenced to one of the data outputs Adjusted for 0 0 ns hold 100 ps referenced to one of the data outputs Minimum data output pulse width Adjusted for 2 0 ns 100 ps jumpered in minimum pulse width mode Fuse rating Recommended replacement fuse 1 5 AF 125 V Tektronix part number 159 5009 00 1 10 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual SS Operating Information Installation This chapter provides brief operating information for performi
39. vertical cursor bars on the oscilloscope Using the delay taps on delay labeled HOLD ADJ add or subtract the appropriate delay to ensure zero skew 25 ps between R67 and R127 J4 CLK Out See Note on page 5 16 Connect the CH1 probe to R321 and record the difference in timing between R67 and R321 using the vertical cursor bars on the P6434 Setup Hold timing Using the delay taps on delay labeled SU HOLD CLK ADJ Add or subtract the appropriate delay to ensure zero skew 25 ps between R67 and R321 P6434 deskew CLK Out See Note on page 5 16 Verify that that J17 has a jumper installed in the HOLD position TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Adjustment Verification Fixture Adjustment 9 10 Setup Time Adjustment Connect the CH1 probe to J2 and center the rising edge on the center horizontal graticule Trigger on the CH2 probe connected to J1 Connect the CH1 probe to J4 SU HOLD CLK OUT and verify for a 0 skew 25 ps following procedure is used to adjust the setup time Parameter tested Setup Time Adjustment Equipment Adjustment verification fixture and power supply item 2 Required Oscilloscope item 3 Two 1 MQ 10X oscilloscope probe item 4 Shorting jumpers item 14 Prerequisites Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Install the following jumpers Jumper Jumper name Jumper setting 113 P6434D
40. 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 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual vii General Safety Summary viii Symbols and Terms A A Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product A A CAUTION WARNING Protective Ground Refer to Manual High Voltage Earth Terminal TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual man Service Safety Summary Only qualified personnel sho
41. 1 Review Check for Common Problems beginning on page 6 28 to eliminate easy to find problems 2 Perform procedures outlined in Eliminate Other Problem Sources beginning on page 6 30 to eliminate the mainframe probes and other modules as the source of the fault s 3 Perform the Troubleshoot the Logic Analyzer Module procedure beginning on page 6 31 to identify the failed replaceable part within the module If you replace a faulty circuit board or assembly found using these procedures you must follow any verification and adjustment procedures identified in Table 6 8 on page 6 38 for the replaced board This section supports isolation of faults within the logic analyzer module to the replaceable part level that s reflected in the replaceable parts lists which begin on page 10 2 In most cases faults are isolated to circuit boards or assemblies but not to individual components on those boards See Strategy for Servicing on page xv Fault isolation is supported to the following circuit boards and replaceable parts m LPU board W Acquisition board m Daughter boards m Power supply fuses W Interconnect cables TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 27 Troubleshooting Required Documentation You may need to refer to additional TLA700 manuals to isolate faults In addition other manuals and other sections in this manual contain instructions you will need to complete repairs after locati
42. 131 6024 00 6 105 1089 00 7 131 6134 01 8 210 0457 00 9 348 0048 00 10 210 0586 00 11 671 3599 01 12 150 5009 00 13 159 5009 00 14 131 5527 00 15 214 2957 00 16 210 1178 00 17 211 0372 00 18 342 0355 00 19 131 3378 00 119 4855 00 119 4856 00 119 4857 00 119 4859 00 10 12 Serial no effective Serial no discont d Qty Name amp description N mn ADJUSTMENT VERIFICATION FIXTURE CONN HDR PCB MALE STR 2 X 40 0 1 CTR CONN SHUNT JUMPER FEMALE STR 1 2 4 CONN HDR PCB MALE STR 1 36 0 079 CTR CONN TERMINAL PRESSFIT PCB MALE STR 0 025 SQ 0 248 MLG X 0 137 TAIL 50 GOLD PHZ BRZ W FERRULE CONN HDR PCB MALE STR 2 X 25 0 079CTR LATCH ASSY LATCH HOUSING ASSY VERTICAL MOUNT 2 PKG 0 48 H X 1 24 L W PCB SINGLE CLIP CONN PLUG SMD MICTOR PCB FEMALE NUT PL ASSEM WA 6 32 X 0 312 STL CD PL W LOCKWASHER FOOT CAMERA BLACK VINYL W 6 32 STUD NUT PL ASSEM WA 4 40 X 0 25 STL CD PL CKT BD ASSY DESKEW TEST FIXTURE A14 DIODE OPTO LED HI EFFIC RED 626NM 3 4MCD AT 10MA FUSE SMD 1 5A 125V FAST BLOW 0 1 X 0 1 X 0 24 UL RECOGNIZED CSA CERTIFIED JACK POWER DC PCB MALE RTANG 2MM PIN 11MM 0 433 X 3 5MM 0 137 TAIL 9MM 0 354 W TIN W SWI HEAT SINK SEMIC TRANSISTOR TO 220 WASHER SHLDR TRANSISTOR TO 220 0 2 0DX0 116 SCREW MACHINE 4 40 X 0 312 PNH STL CD PL TORX T10 INSULATOR PLATE TRANSISTOR SILICONE RUBBER CONN RF JACK BNC 50 OHM FEMALE RTANG PCB REAR PNL 0 5 28 THD 0 625
43. 2 EXT 0 75 L 1 18 671 3307 XX 1 TLA7N3 BD ASSY COMPARATOR DAUGHTER BD 80009 671 3307 2 TLA7N4 7P4 7Q4 BD ASSY COMPARATOR DAUGHTER 80009 671 3307 BD 1 19 407 4494 XX 1 TLA7N3 7N4 7P4 7Q4 BRACKET DAUGHTER BD 80009 407 4494 1 20 174 3949 1 ASSY SP RIBBON IDC 100 32 AWG 0 025 5 35 L 06009 174 3949 2 FEMALE RTANG 2 X 50 0 05 X 0 1 CTR RCPT SYS50 1 21 174 3536 XX 1 CA ASSY SP TLA7N3 7N4 7P4 7Q4 MERGE RIBBON IDC 30 80009 174 3536 AWG 0 025 CTR 2 5 L 1 22 174 4378 XX 1 CA ASSY SP RIBBON IDC 100 32 AWG 0 025 CTR 5 75L 2469 174 4378 2 FEMALE RTANG 2 X 50 0 05 X 0 1 CTR RCPT SYS50 1 23 352 1062 XX 1 HOLDER TLA7N3 7N4 MERGE MALE 18AWG CRS TK1943 352 1062 W HARDWARE 10 6 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mechanical Parts List TLA700 Series module replaceable parts list Cont Fig amp index Tektronix part number number 1 24 335 0646 00 1 25 211 0718 XX 071 0912 XX 071 0913 XX 071 0865 XX 071 0863 XX 071 0567 XX 070 9793 XX 407 4435 XX 174 3644 00 174 4331 00 Serial no effective Serial no discont d Qiy Name amp description 1 MARKER IDENT LABEL MKD FOR USE WITH TLA700 SERIES BOTTOM INJECTOR EJECTOR 0 745 X 0 520 0 010 TLA7N3 7N4 7P4 7Q4 SHLD GSKT ELEC SYMETRICAL SLOTTED FINGER 0 350 W X 7 5 L RIVIT MTG SNAP IN RIVIT SPACING 1 5 IN TLA7N93 7N4 7P4 7Q
44. 4 Return the threshold levels to their former values in the Probe Threshold window TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 9 Performance Verification Logic Analyzer Module LA Module Certification Using the performance verification procedures perform the DC Threshold test and print the software generated Calibration Data Report Other module specifications can also be verified by running the performance verification procedures Performance Verification Instructions 4 10 Prerequisites This section contains information to verify the performance of the LA module Testing is performed using the performance verification and adjustment software The performance verification and adjustment software contains instructions and control programs for testing each characteristic designated as checked in the Specifications chapter of this manual As a general rule these tests should be done once a year These procedures ask for the serial number of the LA module under test Before installing the LA module in the mainframe record the serial number and state speed of the LA module Alternatively you can access the module serial number and state speed through the logic analyzer application In the application go to the System menu select System Properties and then click the LA module tab However you must quit the logic analyzer application before continuing with the performance verifica tion procedu
45. 4 SCREW MACHINE 6 32 X 0 312 FLH100 STL CDPL T 10 TORX OPTIONAL ACCESSORIES MANUAL TECH SERVICE TLA721 BENCHTOP amp TLA7XM EXPANSION MAINFRAME MANUAL TECH SERVICE TLA715 PORTABLE MAINFRAME MANUAL TECH INSTRUCTION TLA7UP MAINFRAME FIELD UPGRADE KIT MANUAL TECH USER TLA SERIES MANUAL TECH P6417 amp P6418 PROBE MANUAL TECH P6434 PROBE BRACKET SUPPORT PROBE ASSY CLAMP 18 AWG STEEL BLACK ANODIZE FINISH W RETAINING WASHER CA ASSY SP RIBBON IDC 32 AWG 0 025 CTR 12 0 L 100 POS MINIRIBBON RCPT CHAMP050 X 2 X 50 0 CA ASSY SP RIBBON IDC 32 AWG 0 025 CTR 7 40 STRAND 12L 80 POS 0 05 CTR W POLZ X 80 POS 0 0 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Mfr code 0 05 2647 0 01 80009 80009 80009 80009 80009 80009 80009 06009 06009 Mfr part number 335 0646 00 0493 0069 ORDER BY DESCR 071 0912 071 0913 071 0865 071 0862 071 0567 070 9793 407 4435 174 3644 00 174 4331 00 10 7 Mechanical Parts List Figure 10 2 TLA700 Series LPU board exploded view 10 8 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mechanical Parts List TLA700 Series LPU board replaceable parts list Fig amp index number 2 1 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 2 17 TLA7Nx TLA7Px amp TLA7Qx Logic Analy
46. 7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 23 Removal and Installation Procedures Installation Use the following procedure and Figure 6 12 to install the fuses CAUTION To avoid damage to the module use only replacement fuses that match the type voltage and current rating of the original fuse Refer to Tables 6 4 and 6 5 on page 6 22 for the part number of replacement fuses 1 Solder the new fuse into place 2 Ifyou removed the Acquisition board perform the Acquisition Board installation procedure page 6 21 3 Perform the Local Processor Unit Board installation procedure see page 6 14 4 Perform the Cover installation procedure see page 6 8 Rear Gaskets Removal Usethe following procedure and Figure 6 13 to remove the rear EMI gaskets 1 Perform the Cover removal procedure see page 6 7 2 For the two rear gaskets on the chassis perform the Daughter Boards removal procedure page 6 11 the Local Processor Unit Board removal procedure page 6 13 and the Acquisition Board removal procedure page 6 17 3 Lift the gasket fingers and rotate the gasket off see Figure 6 13 6 24 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures 2 Rotate Figure 6 13 Rear gasket removal Installation Use the following procedure and Figure 6 14 to install the rear EMI gaskets 1 Position each gasket so th
47. 9 to determine the proper procedures to perform post repair adjustments and to verify proper operation of the logic analyzer module Use the following procedure and Figure 6 5 to remove the daughter boards 1 Perform the Cover removal procedure see page 6 7 2 Remove the two T 10 Torx drive screws that secure each EMI bracket and daughter board to the acquisition board 3 Lift the daughter board straight up to disconnect it from the acquisition board connector TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 11 Removal and Installation Procedures 6 12 Installation Remove screws 2 EMI bracket Daughter board gt Figure 6 5 Daughter board replacement Use the following procedure and Figure 6 5 to install the daughter boards 1 Line up the daughter board over the circuit board connector on the acquisi tion board and gently press down until the daughter board fully seats in the connector 2 Place the EMI bracket on the daughter board 3 Install the two T 10 Torx drive screws that secure the EMI bracket and the daughter board to the acquisition board 4 Perform the Cover installation procedure see page 6 8 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Local Processor Unit Board You will need a screwdriver with a size T 10 Torx tip to replace the LPU board NOTE When placing an order for a r
48. 91 F790 F690 F981 F980 F890 F470 Local Processor Unit board fuses Voltage V 5 V 12 V 24 V 24 V 5V 5 V Purpose Supplies the 5 V to 3 5 V DC to DC converter The converter powers the 3 V PALS and the 3 V ASICs on the acquisition board The converter also enables the 24 V to 5V DC to DC converter Supplies the microprocessor and the supporting circuitry Supplies the control IC and MOSFET drivers for the 5 V to 3 5 V DC to DC converter Supplies the 24 V to 3 3 V DC to DC converter This 5 V output powers the acquisition RAM on the acquisition board Supplies the 24 V to 3 3 V DC to DC converter This 5 V output powers the acquisition RAM on the acquisition board This supply is not used Supplies power to External Manufacturing FLASH card Table 6 5 lists the fuse locations on the acquisition board and briefly describes the fuse functions Two columns of the following table list the acquisition board fuse circuit locations The first column indicates where the manufacturing installed inline fuse is located The second column indicates the location where you can install a replacement thru hole fuse The parts list located on page 10 11 contains ordering information for both types of fuses Table 6 5 Acquisition board fuses Installed In Replace Voltage Purpose line Fuse ment Thru Circuit hole Fuse Circuit F0952 F942 5 Protect the probe receivers
49. A7N3 and TLA7N4 options Option Description 15 256K 100 MHz 25 1M 100 MHz 35 4 100 MHz 45 64K 200 MHz 5S 256K 200 MHz 6S 1M 200 MHz 75 4 9 200 2 P6418 Probe 2P P6434 Probe 3P P6417 Probe D1 Add calibration data report TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 7 1 Options TLA7P2 TLA7P4 TLA7Q2 and TLA7Q4 Options Table 7 2 list options for the TLA7P2 TLA7P4 TLA7Q2 and TLA7Q4 modules The number of probes per probe option depend on the number of channels in the logic analyzer module Table 7 2 TLA7P2 TLA7P4 TLA7Q2 and TLA7Q4 options Option 15 D1 1P 2P 3P Service Options Description 16M 200 MHz Add calibration data report P6418 Probe P6434 Probe P6417 Probe Tektronix offers the following service options Product installation service Three years of calibration services Option IN Provides initial product installation configura tion and start up training session including front panel and product familiarization Option C3 Provides factory calibration certification on delivery plus two more years of calibration coverage Throughout the coverage period the instrument will be calibrated according to its Recommended Calibration Interval Test data Option D1 Provides initial Test Data Report from factory on delivery Test data Option D3 Provides test data on delivery plus a Test Data Report for ever
50. A7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Eu uU Performance Verification Logic Analyzer Module Summary Verification This chapter contains procedures for functional verification certification and performance verification procedures for the logic analyzer modules and the adjustment verification fixture Generally you should perform these procedures once per year or following repairs that affect certification Functional verification procedures verify the basic functionality of the instru ment inputs outputs and basic instrument actions These procedures include power on diagnostics extended diagnostics and manual check procedures These procedures can be used for incoming inspection purposes Certification procedures certify the accuracy of an instrument and provide a traceability path to national standards Calibration data reports are produced for the logic analyzer modules as output from the performance verification and adjustment software For the adjustment verification fixture you can make copies of the calibration data report included with this manual and then fill out the report with the data that you obtain from the performance verification procedures Performance verification procedures confirm that a product meets or exceeds the performance requirements for the published specifications documented in the Specifications chapter of this manual Refer to Figure 4 1 on page 4 2 fora graphic ove
51. Ajustment Verification Fixture Verify Setup Clock Output Timing 4 34 10 1 2 delay represents the hold time at R127 Record the hold time at R127 on the Calibration Data Report 11 Connect the CH1 probe to R321 Verify the CH1 CH2 delay is averaged around 0 ns 100 ps 12 CH1 CHZ2 delay represents the hold time at R321 Record the hold time at R321 on the Calibration Data Report Use the following procedure to verify the setup time Parameter tested Equipment required Prerequisites Setup time Oscilloscope item 3 2 DSO probes item 4 Custom probe tip adapter see Figure 4 10 page 4 26 Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Set the jumper positions as listed in the table Jumper Jumper name Jumper setting J13 P6434 Deskew probe setup 1 3 and 5 6 connected J15 Clock selection INT J16 Deskew 1 2 and 4 5 connected J17 Setup hold select SETUP J19 Clock polarity select Disconnected 2 Set up the oscilloscope by pressing Setup Factory Setup and then OK Confirm Factory Init to return the oscilloscope to default conditions Set up the oscilloscope as listed below a Set up the CH1 Vertical menu as follows Coupling W Fine Scale W Position W Position DC 50 Q 200 mV div 3 00 div CH1 3 32 div CH2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Ajustment Ve
52. E ATTN ALICIA SANFORD 516 18TH AVE AVNET ELECTRONICS MKTG AMERICA 15580 SW JAY STREET 3501 PORTLAND RD NE 13925 MAGNOLIA AVE 3000 LEWIS amp CLARK HWY SUITE 2 C O TEMCO NW 1336 SE 51ST STREET TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual City state zip code HARRISBURG PA 17105 3608 WAKEFIELD MA 01880 VANCOUVER WA 98661 MENLO PARK CA 94025 1111 TINLEY PARK IL 60477 3048 VANCOUVER WA 98666 6008 NORTHVALE NJ 07647 2303 PORTLAND OR 97214 4657 HILLSBORO OR 97124 6474 GAITHERSBURG MD 20879 DALLAS TX 75381 5381 EL MONTE CA 91731 ETTERS PA 17319 GARDEN GROVE CA 92641 CHICAGO IL 60656 4548 SAN JOSE CA 95131 1008 AUSTIN TX 78769 2963 MINNEAPOLIS MN 55435 3707 NEW ALBANY IN 47150 PORTLAND OR 97224 HOLBROOK NY 11741 DES PLAINES IL 60016 3049 BEAVERTON OR 97077 0001 LAGRANGE IL 60525 WATERTOWN CT 06795 0050 LAKE OSWEGO OR 97035 ROCKFORD IL 611045181 BEAVERTON OR 97006 SALEM OR 97303 CHINO CA 91710 VANCOUVER WA 98661 HILLSBORO OR 97123 10 3 Mechanical Parts List Figure 10 1 TLA700 Series Logic Analyzer Module exploded view TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 10 4 Mechanical Parts List TLA700 Series module replaceable parts list Fig amp i
53. Figure 10 1 TLA700 Series Logic Analyzer Module exploded view 10 4 Figure 10 2 TLA700 Series LPU board exploded view 10 8 Figure 10 3 TLA700 Series Acquisition board exploded view 10 10 Figure 10 4 Adjustment verification fixture exploded view 10 13 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Table of Contents List of Tables Table 1 1 LA module channel width and depth Table 1 2 LA module clocking Table 1 3 LA module trigger system Table 1 4 LA module MagniVu feature Table 1 5 LA module data handling Table 1 6 LA module input parameters with probes Table 1 7 LA module mechanical Table 1 8 Merged modules Table 1 9 Atmospherics Table 1 10 Certifications and compliances Table 1 11 Adjustment verification fixture specifications Table 3 1 Local Processor Unit board Table 4 1 Test equipment Table 4 2 Logic Analyzer Module functional verification 5 ae OAS CE eee wk eS OE EY Table 4 3 LA Module performance verification tests Table 4 4 LA Module characteristics indirectly checked by the performance verification
54. ING W O BDRETENTION 30 GOLD 4 TLA7N2 7N3 7N4 7P2 7P4 7Q2 7Q4 CONN HDR PCB MALE RTANG 2 X 17 0 1CTR 2 TLA7N1 CONN HDR PCB MALE RTANG 2 X 17 0 1CTR 4 TLA7N4 7P4 7Q4 CONN HDR SMD MALE STR 2 X 50 0 05 X 0 1 CTR 2 TLA7N1 7N2 7P2 7Q2 CONN HDR SMD MALE STR 2 X 50 0 05 X 0 1 CTR 1 TLA7N3 CONN HDR SMD MALE STR 2 X 50 0 05 X 0 1 CTR 2 TLA7N1 HEAT SINK SEMIC IC PGA 11X11 MQUAD 1 1 X 1 1 X 0 45 H PIN FIN ALUMINUM BLACK 3 TLA7N2 7P2 7Q2 HEAT SINK SEMIC IC PGA 11X11 MQUAD 1 1 X 1 1 X 0 45 H PIN FIN ALUMINUM BLACK 4 TLA7N3 HEAT SINK SEMIC IC PGA 11X11 MQUAD 1 1 X 1 1 X 0 45 H PIN FIN ALUMINUM BLACK 5 TLA7P4 7Q4 7N4 HEAT SINK SEMIC IC PGA 11X11 MQUAD 1 1 X 1 1 X 0 45 FIN ALUMINUM BLACK 2 HEAT SINK SEMIC IC PGA 11X11 MQUAD 1 1 X 1 1 X 0 25 FIN ALUMINUM BLACK TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mfr code 6D224 75915 75915 75915 75915 81312 00779 53387 53387 00779 00779 00779 05820 05820 05820 05820 05820 Mfr part number 95615 106 45101 5 25101 5 451007 251007 96P603307319 146144 3 N2534 5002UB N2534 5002UB 1 104549 0 1 104549 0 1 104549 0 658 45AB 658 45AB 658 45AB 658 45AB 658 25AB 10 11 Mechanical Parts List Replaceable parts list Fig amp index Tektronix part number number 10 4 1 131 5267 00 2 131 5829 00 3 131 5990 00 4 131 0608 00 5
55. ITION CIRCUIT BD ASSY 136 CH 64M TLA7Q4 ACQUISITION BACK PANEL TWO WIDE TLA7N1 CHASSIS ASSY TWO WIDE 34CH W SUB FRONT PANEL amp LABEL ATTACHED TLA7N2 7P2 7Q2 CHASSIS ASSY TWO WIDE 68CH W SUB FRONT PANEL amp LABEL ATTACHED TLA7N3 CHASSIS ASSY TWO WIDE 102CH W SUB FRONT PANEL amp LABEL ATTACHED TLA7N4 7P4 7Q4 CHASSIS ASSY TWO WIDE 136CH W SUB FRONT PANEL amp LABEL ATTACHED HANDLE EJECTOR INJECTOR EJECTOR ASSY TWO WIDE W OUT KEYING SPRING LOADED PLASTIC TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mfr code 80009 0 05 0 01 0 01 0 01 0 01 0 01 80009 80009 80009 80009 80009 80009 80009 80009 80009 80009 1943 80009 80009 80009 80009 80009 Mfr part number 407 4458 XX ORDER BY DESCR 211 0409 XX 211 0409 XX 211 0409 XX 211 0409 XX 211 0409 XX 671 4252 XX 129 1478 XX 671 4214 XX 671 4215 XX 671 4216 XX 671 4217 XX 671 4217 XX 671 4217 XX 671 5332 XX 671 5282 XX 386 6868 XX 441 2155 XX 441 2156 XX 441 2158 XX 441 2157 XX 367 0484 XX 10 5 Mechanical Parts List TLA700 Series module replaceable parts list Cont Fig amp index Tektronix part Serialno Serial no Mfr number number effective discontd Qty amp description code Mfr part number 1 12 335 0646 XX 1 MARKER INDENT EJECTOR LABEL BOTTOM 0 05 335064600 1 13 334 9636 1 MARKER DENT CONFIGURATI
56. Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module NOTE These procedures assume the P6418 or P6417 probes are being used If you have a P6434 probe use J5 the Data Out connector on the adjustment veri fication fixture for verifying probe functionality Observe proper polarity pin 1 to pin 1 7 Connect the single clock CK n or the qualifier Q n channel to one of the 13 CLK OUT connector pairs on the adjustment verification fixture 8 Return to the Setup window and click the Show Activity button to display the Activity Monitor 9 Verify that the Activity Monitor shows activity on all probe channels connected to the test fixture Figure 4 3 shows an example of the Activity Monitor Note the signal activity for clock CK3 and data channels for the C3 7 0 and C2 7 0 groups Also note that there is no activity on the other groups because the probe podlets are not connected to a signal source the channels are all high on LA 1 Le a eq ADT IS pg Dara DOZO 5 E370 1111111 Card 111111 4 cory Z2 ETN Z Ear ED Figure 4 3 Activity Monitor 10 Verify that none of the connected channels are stuck high or stuck low 11 Disconnect the probe from the adjustment verification fixture and module 12 Repeat steps 5 through 11 for any remaining probes 13 Close the Activity Monitor 1
57. Merging Rules vai pusat qatu aun a Block Level Description Performance Verification Performance Verification Logic Analyzer Module Summary Verification cv as d rer RR RE RA Et eee Test Equipment S suq EE DV Pu eg ceu a Functional Verification 1 LA Module Certification 4 Performance Verification Instructions Performance Verification Tests Performance Verification Adjustment Verification Fixture Test Equipment en oirnne uu a aah Biondi etis een Functional Verification 1 Certification 2 oeste ate Re ete Hr RA do Cte Ad Oa a RUN Gi ese Performance Verification Test Procedures c eae eats e etr ve e STR Skea quay i ns Calibration Data Report TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual vii xi xi xii xiii xiv XV 3 1 ETT I 1 ANE P2 N o Table of Contents Adjustment Procedures Maintenance Options Logic Analyzer Module Adjustment Procedures 5 1 Pere Q
58. ON LABEL MKD 0 05 334 9636 TLA7N1 7N2 7N3 7N4 7P2 7P4 TIMING STATE SPEED RAM DEPTH 0 010 POLY GE LEXAN12 PER 5 335 0451 1 MARKER DENT CONFIGURATION LABEL MKD TLA7Q2 7Q4 0 05 335 0451 TIMING STATE SPEED RAM DEPTH 0 010 POLY GE LEXAN 12 PERS 1 14 367 0483 XX 1 HANDLE INJECTOR EJECTOR ASSEMBLY TWO 80009 367 0483 WIDE W KEYING SPRING LOADED PLASTIC 1 15 334 9628 XX 1 MARKER DENT LABEL MKD TLA7N1 TOP 0 05 334 9628 INJECTOR EJECTOR 0 010 POLY GE LEXAN 334 9629 XX 1 MARKER DENT LABEL MKD TLA7N2 TOP 0 05 334 9629 INJECTOR EJECTOR 0 010 POLY GE LEXAN 334 9630 XX 1 MARKER DENT LABEL MKD TLA7N3 TOP 0 05 334 9630 INJECTOR EJECTOR 0 010 POLY GE LEXAN 334 9631 XX 1 MARKER DENT LABEL MKD TLA7N4 TOP 0 05 334 9631 INJECTOR EJECTOR 0 010 POLY GE LEXAN 334 9632 XX 1 MARKER DENT LABEL MKD TLA7P2 TOP 0 05 334 9632 INJECTOR EJECTOR 0 010 POLY GE LEXAN 334 9633 XX 1 MARKER DENT LABEL MKD TLA7P4 TOP 0 05 334 9633 INJECTOR EJECTOR 0 010 POLY GE LEXAN 335 0450 XX 1 MARKER DENT LABEL MKD TLA7Q4 TOP 0 05 335 0450 INJECTOR EJECTOR 0 010 POLY GE LEXAN 335 0449 XX 1 MARKER DENT LABEL MKD TLA7Q2 TOP 0 05 335 0449 INJECTOR EJECTOR 0 010 POLY GE LEXAN 1 16 174 3537 XX 1 CA ASSY SP TLA7N3 7N4 7P4 MERGE RIBBON IDC 30 80009 174 3537 AWG 0 025CTR 2 0 L 1 17 129 1479 XX 4 SPACER POST 1 135 OVERALL 0 510 L SPACING 0 35 80009 129 1479 L 0 25 HEX 4 40 INT THD X 6 3
59. Ox Logic Analyzer Module Service Manual 4 25 Performance Verification Ajustment Verification Fixture Custom Probe Tip Adapter custom probe tip adapter is used in these procedures to ensure signal integrity when making precise measurements The primary function of the custom probe tip adapter is to minimize the length of the ground lead of the probe Build the custom probe tip adapter as shown in Figure 4 10 Socket Tektronix P N 131 0258 00 Solder pin to 025 in Berg pin socket frame Tektronix P N 131 1426 00 Adjust this distance to span a 1206 SMT component such as R85 on the adjust ment verification fixture Figure 4 10 Probe tip adapter detail 4 26 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Ajustment Verification Fixture Test Procedures Refer to Figure 4 11 on page 4 28 for component and test point locations used in the following procedures Table 4 6 on page 4 28 describes the functions of the jumpers used on the fixture for verifying the performance of the Tektronix logic analyzers The jumpers are also used in these procedures All procedures must be followed sequentially If any single step fails or is out of calibration then upon retest you must start at the first test and follow this section through from start to finish sequentially Power Supply Checks following procedures check the DC power supply characteristics Parameter test
60. R SUPPLY 0 05 NORTH STAR NAMEPLATE INC OLXM2 LZR ELECTRONICS INC 13103 THERMALLOY INC 18677 SCANBE CORP 22526 BERG ELECTRONICS INC 23633 RICHEY ELECTRONICS INC 26742 METHODE ELECTRONICS INC 50434 HEWLETT PACKARD 53387 3M COMPANY 55285 BERGQUIST COMPANY INC THE 55322 SAMTEC INC 60381 PRECISION INTERCONNECT CORP 61857 SAN O INDUSTRIAL CORP 75915 LITTELFUSE INC 80009 TEKTRONIX INC 81073 GRAYHILL INC 81312 WINCHESTER ELECTRONICS 8X345 NORTHWEST SPRING MFG CO 93907 CAMCAR DIV OF TEXTRON INC TK0198 AVNET INC 1943 NEILSEN MANUFACTURING INC TK2449 SINGATRON ENTERPRISE CO LTD TK2469 UNITREK CORPORATION TK2647 INSTRUMENT SPECIALTIES CO INC Address CUSTOMER SERVICE DEPT PO BOX 3608 60 AUDUBON ROAD PRECISION HARNESS AND ASSEMBLY 3000 COLUMBIA HOUSE BLVD 120 300 CONSTITUTION DR 17303 RIDGELAND AVE 3000 LEWIS amp CLARK HWY PO BOX 66008 186 VETERANS DRIVE 810 SE SHERMAN 5750 NE MOORE COURT 8051 CESSNA AVENUE 2021 W VALLEY VIEW LN PO BOX 810839 A ZERO CORP COMPANY 3445 FLETCHER AVE 825 OLD TRAIL ROAD 7441 LINCOLN WAY BACKPLAIN DIVISION 7444 WEST WILSON AVE 370 W TRIMBLE ROAD ELECTRONICS PRODUCTS DIV 3M AUSTIN CENTER 5300 EDINA INDUSTRIAL BLVD 810 PROGRESS BLVD PO BOX 1147 16640 SW 72ND AVE 91 3 COLIN DRIVE 800 E NORTHWEST HWY 14150 SW KARL BRAUN DR PO BOX 500 561 HILLGROVE AVE PO BOX 10373 DIV OF LITTON INDUSTRIES INC 400 PARK ROAD 5858 SW WILLOW LAN
61. Service Manual Tektronix Tektronix Logic Analyzer Module TLA7Nx LTA7Px amp TLA7Qx 071 0864 01 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 14200 SW Karl Braun Drive Beaverton OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix Inc MagniVu and PowerFlex 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 a product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be respons
62. TLA7P2 TLA7Q2 only 0 7 0 to 00 7 0 TLA7N2 TLA7P2 TLA7Q2 only Time between DeMux clock edges Typical 5 ns minimum between DeMux clock edges in full speed mode 10 ns minimum between DeMux clock edges in half speed mode Time between DeMux store clock edges Typical 10 ns minimum between DeMux master clock edges in full speed mode 20 ns minimum between DeMux master clock edges in half speed mode Data Rate Typical TLA7N1 TLA7N2 TLA7P2 TLA7Q2 TLA7NS TLA7N4 TLA7P4 TLA7Q4 400 MHz 200 MHz option required half channel Requires channels to be multiplexed These multiplexed channels double the memory depth TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 1 3 Specifications Table 1 2 LA module clocking Cont Characteristic Description Clocking state machine Pipeline delays Each channel group can be programmed with a pipeline delay of 0 through 3 active clock edges 1 Itis possible to use storage control and only store data when it has changed transitional storage 2 Applies to asynchronous clocking only Setup and hold window specification applies to synchronous clocking only 3 Any or all of the clock channels may be enabled For an enabled clock channel either the rising falling or both edges can be selected as the active clock edges The clock channels are stored Full and half speed modes are controlled by PowerFlex options and upgrade kits Table 1 3 LA
63. UWISIES eee ek ee eee Ee ded re E 5 1 Merged Modules cese ee eee ee Wide iter 5 2 Using thie SOftWare ch eb Wise eee rece ee eser 5 3 Test Equipment o ete re ke eter ena e E esas 5 3 Adjustment Instructions 5 4 T sts Pertformed A E idee ete e E 5 5 Adjustment 5 6 Self Galibfation zt tee ta ee eles Weare eed ae 5 6 Completing the Adjustment Steps 5 9 Adjustment Verification Fixture Adjustments 5 11 Adjustment Verification Fixture 5 11 Related Maintenance Procedures 6 1 Preventing Electrostatic Discharge 6 1 Inspection and Cleaning 6 2 Removal and Installation Procedures 6 5 Preparation ie ee hes NE VE Ure n mE PUNE eR NES 6 5 Tools Required eer ER WR Une Cae read eg exe 6 5 Torque Requirements 1 6 5 Injector Ejector 6 6 COVER ied D ee edet eere bed erue rp en 6 7 Daughter Boards 2 2 ees Vee ee Ure Cee bee Saw Belge ee 6 11 Local Processor Unit Boar
64. allation 7 2 Flat head screws 0 or 4 Screws 8 Screws Rear panel Figure 6 2 Cover removal Use the following procedure and Figure 6 2 and Figure 6 4 to install the cover NOTE Install the cover tightly against the chassis This will ensure that the module fits into adjacent slots in the mainframe 1 Place the module on its right side 2 Place the cover onto the chassis 3 If you are replacing the cover of the slave module in a merged module pair refer to Figure 6 3 to feed the merge cable through the cover and then install the merge cable bracket as shown TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Merge cable bracket I S T lt Merge cable connector Figure 6 3 Feeding the merge cable through the cover CAUTION To prevent damage to the module during the installation process reinstall the cover exactly as described in steps 4 through 8 If the cover is not properly seated the module can be damaged when you install it in a mainframe and it will not meet EMC requirements TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 9 Removal and Installation Procedures 4 Push forward on the cover so the tab on the front edge of the cover inserts into the rear of the front subpanel Make sure that the cover is fully seated no gaps against the front and rear chassis flanges see Figure 6 4
65. alled Ext Int J16 J13 select clocked on falling edge Clock select Deskew P6434 Jumper removed Deskew Probe setup clocked on rising edge Figure 5 3 Adjustment verification fixture circuit board layout TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual R85 e R67 Clock Clock OO OO J4 Setup Hold Clock out GND GND Adjustment Verification Fixture Adjustment Internal Clock Frequency 5 14 Check The following procedure checks the internal clock frequency Parameter tested Equipment Required Prerequisites Internal Clock Frequency Adjustment verification fixture and power supply item 2 Frequency counter item 8 Signal generator item 16 Shorting jumpers item 14 Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Set up the frequency counter as follows a Right input 10 Hz 100 MHz b Select Direct Resolution 10 Hz 1M input termination 4 Attenuation 2 Move one jumper on J16 to DESKEW pins 2 3 Keep the other jumper connected to pins 4 and 5 3 Using the frequency counter measure the oscillator frequency at J1 It will measure 50 0650 MHz 0 01 50 0600 50 0700 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual
66. alyzer module ARMPD Indicator The ARM D indicator lights when the logic analyzer module is armed during an acquisition TRIG D Indicator The TRIG D indicator lights when the logic analyzer module triggers and stays on until the module finishes acquiring data The merge cable connectors not shown are located on the sides of the logic analyzer module The connectors are used to merge up to three logic analyzer modules together to create a two or three wide logic analyzer module Two Merged Modules When two modules are merged the master module is on the left lower numbered slot and the slave module is on the right Three Merged Modules When three modules are merged the master module is in the center and the slave modules are on the right and left of the master module Merge Cable Connector The merge cable connector is located on the side panel of the module When the module is used by itself the merge cable is stored inside the cover When you merge modules together you must set up the merge connector so that it mates with an adjacent logic analyzer module Instructions for merging modules are described in the Tektronix Logic Analyzer Family User Manual Four rear panel connectors see Figure 2 1 on page 2 2 connect the logic analyzer module to the backplane of the mainframe The module receives power processor communication and intermodule communication through these four connectors Logical Address Switches Figur
67. ard 1 2 Connect the merge cables to the acquisition board Refer to Figure 6 11 on page 6 20 and carefully slide the acquisition board into the chassis while making sure that the merge cable connector lines up with the slot in the chassis Using the screwdriver with a T 10 Torx tip install two two screws on the merge cable connector Gently push forward on the acquisition board rear connector while aligning the acquisition board so that the mounting holes line up with the stand offs on the chassis Install the nine spacer posts that secure the acquisition board to the chassis ensuring that the four short spacer posts are installed near the front of the chassis Dress the top merge cable as shown in Figure 6 11 if the module will not be merged Perform the daughter board installation procedure see page 6 12 Perform the installation procedure see page 6 14 Perform the Cover installation procedure see page 6 8 NOTE After replacing the acquisition board refer to Table 6 8 on page 6 38 and to Table 6 9 on page 6 39 to determine the proper procedures to run to verify proper operation of the logic analyzer module TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 21 Removal and Installation Procedures Fuses Local Processor Unit Board Fuses Acquisition Board Fuses 6 22 Table 6 4 lists the fuses on the LPU board and briefly describes their functions Table 6 4 Fuse F8
68. at all of the tests pass If a test fails run the Deskew routine as described on page 5 8 then rerun the test TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 4 19 Performance Verification Logic Analyzer Module LA Module Procedure 4 4 20 FPV_Maxsync This procedure checks the Maximum Synchronous Clock Rate and the Trigger State Sequence Rate of the LA Module This test is performed once and applies to all channels of the module SW test name FPV_Maxsync Equipment re Adjustment verification fixture and fixture supply item 2 quired Sine wave generator item 16 BNC cable item 15 Adapter N to BNC item 13 Prerequisites Warm up time 30 minutes Test equipment connected as shown in Figure 4 8 Diagnostics and SELF_CAL pass Sine wave generator Type N to BNC adapter C2 C3 CK3 Channel Group BNC cable JA Adjustment verification J5 fixture J18 Fixture supply N m Nc p b J26 Figure 4 8 FPV Maxsync test setup 1 If the logic analyzer application is running quit the application and verify that all of the prerequisites listed previously are met for the procedure 2 Follow the on screen instructions to run the test 3 Verify that all of the tests pass After completing the performance verification procedures obtain a copy of the test results and verify that all parameters are within the allowable sp
69. ation of the logic analyzer module Table 6 1 External inspection check list Item Front panel and side cover Front panel connectors Rear connectors Accessories Inspect for Cracks scratches deformations missing or damaged retainer screws ejector handles or EMI shields Broken shells cracked insulation and deformed contacts Dirt in connectors Cracked or broken shells dam aged or missing contacts Dirt in connectors Missing items or parts of items bent pins broken or frayed cables and damaged connectors To clean the exterior perform the following steps Repair action Replace defective or missing mechanical parts Replace defective parts Replace defective parts Replace damaged or missing items frayed cables and defec tive modules Remove loose dust on the outside of the logic analyzer module with a lint 2 Remove remaining dirt with a lint free cloth or applicator and water using only enough liquid to dampen the cloth or applicator Do not use abra Exterior Cleaning Procedure free cloth sive cleaners Interior Inspection Inspect the internal portions of the logic analyzer module for damage and wear using Table 6 2 as a guide When found defects should be repaired immediately Table 6 2 Internal inspection check list Item Circuit boards Inspect for Loose broken or corroded solder connections Burned circuit boards Burned broken or cracked c
70. ations section of the Tektronix Logic Analyzer Family User Manual m When verifying the performance of merged modules consisting of different types of individual modules the merged module can be tested without separation The performance verification and adjustment software runs independent of the logic analyzer application and does not recognize configuration settings It is unnecessary to unmerge modules through the logic analyzer application before performing these procedures Procedure Overview When using the performance verification and adjustment software you will connect external test equipment to the LA module in response to prompts on the screen You will connect the test signals and then instruct the program to continue The performance verification and adjustment software automatically selects the module settings and determines the results of each test The results of the tests are recorded in a temporary file and are available upon test completion for completing test records for certification To obtain partial test information you can also run individual tests or selected groups NOTE SELF CAL test must run successfully before the other tests are performed The remaining tests can then be performed in any order Before testing an instrument following repair you must first complete the adjustment procedure The performance verification and adjustment software contains the tests shown in Table 4 3 Each test verifie
71. ator daughter boards present Up to eight probes acquire data from a system under test and send it to the logic analyzer module for processing Block Level Description Local Processor Unit Board The block level description provides an overview of each functional circuit within the logic analyzer module Except for the number of channels the basic operation is the same for each model The basic logic analyzer module consists of two main circuit boards the Local Processing Unit LPU board and the Acquisition board The logic analyzer modules with 102 or 136 channels also have one and two respectively Comparator Daughter boards present Up to eight probes acquire data from a system under test and send it to the logic analyzer module for processing A single 102 channel or 136 channel logic analyzer module can be merged with a second or third module to create a two and three module wide logic analyzer Lower channel count modules do not support merging The Local Processor Unit board controls instrument hardware signal acquisition power conditioning and communications functions Two 100 pin ribbon cables provide interconnections with the acquisition board for power supplies data and control signals Processor System The processor system contains a microprocessor that controls the entire instrument Commands and data sent to the instrument through the mainframe pass through the communications interface which resides on the bus The b
72. basic operation of the merged modules Functional Verification Procedure NOTE Running the extended diagnostics will invalidate any acquired data If you want to save any of the acquired data do so before running the extended diagnostics Prerequisites Warm up time 30 minutes Merge cable installed between all of the LA merged modules Power up diagnostics pass SELF CAL passes Perform the following steps to complete the functional verification procedures Before beginning this procedure be sure that no active signals are applied to the instrument Certain diagnostic tests will fail if signals are applied to the probe during the test 1 In the logic analyzer application go to the System menu and select Calibration and Diagnostics 2 Click the Extended Diagnostics tab 3 Select the top level test and click the Run button The diagnostics will perform each one of the tests listed in the menu under the module selection All tests that displayed an Unknown status will change to a Pass or Fail status depending on the outcome of the tests 4 Scroll through the test results and verify all tests pass NOTE If Extended Diagnostics fail run Self Cal for the LA modules and then rerun Extended Diagnostics TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 4 7 Performance Verification Logic Analyzer Module 4 8 Logic Analyzer Probe Functional Verification Procedure The followi
73. be tip to input probe 7 33 ns connector Typical TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 1 7 Specifications Table 1 7 LA module mechanical Characteristic Slot width Weight Typical Overall dimensions Height Width Depth Probe cables P6417 length P6418 length P6434 length Mainframe interlock Table 1 8 Merged modules Characteristic Number of modules that can be merged together Number channels after merge Merge system acquisition depth Description Requires 2 mainframe slots 5 165 10 oz 2 55 kg for TLA7N4 TLA7P4 or TLA7Q4 8 Ibs 3 63 kg for TLA7N4 TLA7P4 or TLA7Q4 packaged for domestic shipping 262 mm 10 32 in 61 mm 2 39 in 373 mm 14 7 in 1 8m 6 ft 1 93 m 6 ft 4 in 1 6m 5 ft 2 in 1 4 ECL keying is implemented Description Refer to Merging Rules on page 2 10 The sum of the data channels of both modules plus the CLK QUAL channels active clocks for the merge system of the master module plus the CLK QUAL channels nonactive stored clock channels to the merge system Channel depth is equal to the smallest depth of the modules Number of clock and qualifier channels after merge Same number of clock and qualifier channels on the master module The clock and qualifier channels on the slave module have no effect on clocking and are only stored Merge system triggering resources Triggering resources are the same as a single
74. board you must supply the following information This will allow the board to be preconfigured to the proper PowerFlex level for your logic analyzer Alternatively you can return the repaired module with the necessary informa tion to your local service center for configuration m Model number m Serial number m PowerFlex option upgrade number W Firmware level TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 10 1 Mechanical Parts List Module Servicing Module Exchange New Modules Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance In some cases you may exchange your module for a remanufactured 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 and choose option 2 You may purchase replacement modules in the same way as other replacement parts Using the Replaceable Parts List Parts list column descriptions Column Column name 1 Figure amp index number 2 Tektronix part number 3and4 Serial number This section contains a list of the mechanical and or electrical components that are replaceable for the instrument Use this list to identify and order replacement parts The following table describes each column in the parts list Description Items in this sec
75. cs These topics can be cross referenced as sections Be sure to read the introductions in the sections and subsections because they contain information that you will need to do the service correctly and efficiently A brief description of each chapter follows W Specifications contains a product description of the logic analyzer module and tables of the characteristics and descriptions that apply to it m Operating Information includes basic installation and operating instructions at the level needed to safely operate and service the logic analyzer module For complete installation and configuration procedures refer to the Tektronix Logic Analyzer Family User Manual m Theory of Operation contains circuit descriptions that support general service to the circuit board level m Performance Verification contains the performance verification procedures for the logic analyzer module logic analyzer module probes and the adjustment verification fixture m Adjustment Procedures contains the adjustment procedures for the logic analyzer module and the adjustment verification fixture m Maintenance contains information and procedures for doing preventive and corrective maintenance on the logic analyzer module Included are instruc tions for cleaning for removal and installation of replacement parts and for troubleshooting to the circuit board level m Options contains information on servicing any of the factory installed options that may b
76. d 6 13 Acquisition Board 1 eR re e em ek ee eee ie 6 17 Buses cor a ter RR dipsa t Dices 6 22 Rear EMI Gaskets RET See i me xs 6 24 Troubleshooting sse eo cares Re ex RR SEN eee aw s e Rr 6 27 Service Level i tekir eed lw ea ENERO I e RR IU a CR E Rd 6 27 Required Documentation 6 28 Check for Common Problems 6 28 Eliminate Other Problem Sources 6 30 Troubleshoot the Logic Analyzer Module 6 31 Adjustment After Repair 6 38 Overview of Procedures 6 39 Repackaging Instructions 6 41 20 athe rra e ta bes 6 41 Shipping to the Service 6 41 LOLA BE oso aid hr e aval AS edet bees Lee eps 6 42 TLA7N1 TLA7N2 TLA7N3 TLA7N4 Options 7 1 TLA7P2 TLA7P4 TLA7Q2 TLA7Q4 Options 7 2 Service Optlons cce ue UR Va be are 7 2 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Table of Contents Electrical Parts List Diagrams Interconnection Block Diagram
77. d indicated by the tree For further confirmation you can correlate the failed test displayed with a board using Table 6 7 on page 6 36 You should also first check the special cases of diagnostic failures below W Note from the tree that if all the diagnostics pass but self calibration fails replace the Acquisition board m If any ofthe Kernel test groups fail ROM check RAM Address decode etc replace the LPU board TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 33 Troubleshooting 6 34 The At Speed Threshold Acquire check tests the functionality of the daughter boards TLA7N3 TLA7N4 TLA7P4 or TLA7Q4 only and the Acquisition board If this test fails for modules with daughter boards and the DAC and both of the At Speed Async Acquire pass replace the daughter board otherwise replace the Acquisition board Also ensure that the probes are disconnected from the module before running the diagnostics m If multiple tests fail the problem could be power supply related problems on the Local Processor Unit board faulty cables or the mainframe If replacing the Acquisition board does not remedy the failures try replacing the Local Processor Unit board or the cables between the Local Processor Unit board and the Acquisition board NOTE Due to the module design there are no accessible test points on the module to connect test equipment such as an oscilloscope or digital voltmeter
78. data or the acquired data is incorrect Module failure see Troubleshoot the Logic Analyzer Module or contact local Tektronix service center Faulty probe or leadset TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 29 Troubleshooting Eliminate Other Problem Sources Substitute a Good Module 6 30 The logic analyzer module is part of the TLA700 Series Logic Analyzer which consists of modules installed in either the benchtop or portable mainframe The following procedures will help you eliminate the mainframe and other modules as possible sources of the failure s that you troubleshoot If you have available a known good logic analyzer module perform the following procedure 1 Remove the suspect logic analyzer module from the mainframe 2 Install a known good logic analyzer module in the same slot as the suspected module verify that address switches on the rear of the module are set to same address as the module that you are replacing 3 Power on the logic analyzer and check for normal operation 4 Ifthe failure symptoms are still present with the known good logic analyzer module installed the problem most likely is in the portable mainframe or benchtop mainframe not in the logic analyzer module NOTE Viewing the diagnostic window from the TLA700 logic analyzer applica tion may help you isolate failures to individual modules or to the mainframe 5 Ifthe logic analyzer operates
79. ds NOTE If after performing steps 1 and 2 a module is clean upon inspection skip the remaining steps If steps 1 and 2 do not remove all the dust or dirt the module may be spray washed using a solution of 75 isopropyl alcohol see steps 3 through 7 3 Gain access to the parts to be cleaned by removing easily accessible shields and panels see Removal and Installation Procedures on page 6 5 4 Spray wash dirty parts with the isopropyl alcohol and wait 60 seconds for the majority of the alcohol to evaporate 5 Use warm 48 92 C to 60 C 120 F to 140 F deionized water to thoroughly rinse the parts 6 Dry all parts with low pressure deionized air 7 Dry all components and assemblies in an oven or drying compartment using low temperature 51 72 C to 65 6 C 125 F to 150 F circulating air TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual a es Removal and Installation Procedures This section describes how to remove and install the major mechanical and electrical modules The procedures in this section assume that you already have removed the module from the mainframe Preparation Please read the following warning statement Then read the following general instructions before removing a circuit board General Safety Summary and Service Safety Summary found at the beginning of WARNING Before doing this or any other procedure in this manual read the this manual To pr
80. e 2 1 on page 2 2 shows the location of the logical address switches TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Operating Information Flash Programming Jumper Pins Figure 2 1 on page 2 2 shows the location of the two pins that are used when updating the firmware of the logic analyzer module You must jumper the pins when updating the flash image The logic analyzer module is shipped without a jumper installed on these pins Refer to the Tektronix Logic Analyzer Family User Manual for instructions on upgrading the firmware Online Help Most user information for operating the logic analyzer module is available through the online help within the Tektronix Logic Analyzer Series application Diagnostics logic analyzer module performs the power on diagnostics each time you power on the mainframe The Calibration and Diagnostics property sheet appears at power on if one of the module diagnostics fails You can also access the diagnostics from the System menu For additional diagnostics information refer to Calibration and Diagnostics Procedures beginning on page 6 32 In addition to the power on diagnostics you can also run the extended diagnos tics or the self calibration NOTE For best results only run the diagnostics with probes disconnected from the module Self Calibration Self calibration is an internal routine that optimizes performance No external equipment or user actions are needed
81. e available for the logic analyzer module TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual xi Preface Manual Conventions xii Acquisition Board Adjustment Procedures Adjustment Verification Fixture Certification Procedures Daughter Board Functional Verification Procedures LPU Board m Diagrams contains block diagrams and interconnection diagrams that are useful when isolating failed circuit boards m Mechanical Parts List includes a table of all replaceable parts their descriptions and their Tektronix part numbers This manual uses certain conventions that you should be familiar with before attempting service The acquisition board is one of the circuit boards inside the logic analyzer module The circuit board receives and stores acquisition data from the probes and works with the LPU board to provide logic analysis information to the operator of the logic analyzer Adjustment procedures check for and if necessary correct any adjustment errors discovered when performing functional or performance verification procedures The adjustment verification fixture is a test fixture used to perform the adjust ment functional check and performance verification procedures Specifications and replaceable parts information are documented in this service manual Certification procedures certify a product and provide a traceability path to national standards The daughter board provides additional
82. e gasket fingers face the outside of the module 2 Pick up each gasket at the end where the gasket finger is formed up Then rotate the gasket on As you do this lift up any fingers that bind to the chassis or cover 3 Slide each gasket gently from side to side to ensure that the gasket snaps in place 1 Slide open end onto module xX 2 Rotate into place lifting any 2 gasket fingers p bind 3 Make sure gasket snaps into holes by pulling on gasket Figure 6 14 Rear EMI gasket replacement 4 Perform the Acquisition Board installation procedure see page 6 21 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 25 Removal and Installation Procedures 5 Perform the Daughter Boards installation procedure see page 6 12 6 Perform the installation procedure see page 6 14 7 Perform the Cover installation procedure see page 6 8 6 26 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Troubleshooting Service Level A 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 Also to prevent possible injury or damage to electrical components read Preventing Electrostatic Discharge on page 6 1 This section contains information and procedures designed to help isolate faults to within the TLA7Nx TLA7Px or TLA7Qx logic analyzer module The process is as follows
83. e hard disk TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 2 3 Operating Information Operating Information 2 4 Removing the Software Front Panel 8 After the installation is complete go back to the TLA Performance Verification folder on the CD This completes the software installation procedure Use the following procedure to remove the performance verification and adjustment software from the instrument These steps are necessary when you want to upgrade the PV software Open Windows Explorer and then locate and select the C Tekcats folder Go to the File menu and select Delete to delete the folder Repeat steps 1 and 2 to find and delete the Temptek folder if it exists Select Start Settings Taskbar amp Start Menu Click the Advanced tab followed by the Advanced button gv per GRO UID m Open the following directory path under Documents and Settings All Users Start Menu Programs 7 Locate and delete the TLA Performance Verification item This section provides a general description of the logic analyzer module Figure 2 2 on page 2 5 shows the connectors and indicators on the front panel of a 136 channel logic analyzer module The 102 68 and 34 channel versions look and operate the same but without the additional probe connectors Injector Ejector Handles The injector ejector tabs are used to seat and unseat the modules in the mainframe Probe Connectors The p
84. e range can be selected in 0 5 ns increments The setup and hold violation of each window can be individually programmed Transition detector 4 Each channel group can be enabled or disabled to detect a transition between the current valid data sample and the previous valid data sample 1 4 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Specifications Table 1 3 LA module trigger system Cont Characteristic Counter Timers Signal In 1 Signal In 2 Trigger In Active trigger resources Trigger States Trigger State sequence rate Trigger Machine Actions Main acquisition trigger Main trigger position Increment counter Start Stop timer Reset counter timer Signal out Description 2 counter timers 51 bits wide can be clocked up to 250 MHz Maximum count is 251 Maximum time is 9 007 X 106 seconds or 104 days Counters and timers can be set reset or tested and have zero reset latency A backplane input signal A backplane input signal A backplane input signal that causes the main acquisition and the MagniVu acquisition to trigger if they are not already triggered 16 maximum excluding counter timers Word recognizers are traded off one by one as Signal In 1 Signal In 2 glitch detection setup and hold detection or transition detection resources are added 16 Same rate as valid data samples received 250 MHz maximum Triggers the main acquisition memory Trigger positi
85. ecifications as listed in the Specifications chapter of this manual TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Eu A Performance Verification Adjustment Verification Fixture This section contains the functional verification procedures performance verification procedures and certification procedures for the adjustment verifica tion fixture A calibration data report for the adjustment verification fixture is also available at the end of this chapter where you can record the certifiable parameters Test Equipment These procedures use external traceable signal sources to directly test character istics that are designated as checked in the Specifications chapter of this manual Table 4 1 on page 4 3 shows the required equipment list for the procedures in this section Each piece of equipment used in these procedures is referenced by an item number to the equipment listed in Table 4 1 Functional Verification The functional verification procedure consists of the following checks m Basic power supply verification m External clock input circuit verification This procedure provides a functional check only If more detailed testing is required perform the performance verification procedure which begins on page 4 25 after completing this procedure Power Supply Use the following procedure to verify that the fixture power supply is functional 1 Plug the fixture power supply included with the adjustment verif
86. ed Emissions EN 50081 1 Emissions EN 60555 2 AC Power Line Harmonic Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity IEC 801 4 Electrical Fast Transient Burst Immunity IEC 801 5 Power Line Surge Immunity Table 1 11 Adjustment verification fixture specifications Characteristic Description Instrument characteristics Number of data outputs For P6417 Probes 18 grouped in two groups of eight and one group of two For P6418 Probes 18 grouped in two groups of eight and one group of two For P6434 Probes 36 grouped in one connector Number of setup and hold clock outputs For P6417 Probes Two grouped in one group of two For P6418 Probes Two grouped in one group of two For P6434 Probes One clock Number of DC threshold outputs For P6417 Probes 16 grouped in two groups of eight and one group of two TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 1 9 Specifications Table 1 11 Adjustment verification fixture specifications Cont Characteristic For P6418 Probes For P6434 Probes External clock in DC threshold input DC power in Vpp DC level typical Vpp to analog ground level typical Vpp switcher noise typical Internal clock frequency Output electrical characteristics Data clock output amplitude DC threshold output Input requirements External Clock input DC power in DC threshold input Output
87. ed Power supply Equipment DMM with test leads item 9 required Prerequisites Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Plug the fixture supply into an appropriate AC outlet and connect the DC plug to J26 on the adjustment verification fixture 2 Connect the DMM lead to J8 Vgg 3 Connect the DMM lead to J10 Vpp and verify a voltage reading of 5 00 100 mV 4 Leave the lead of the DMM connected to 10 Vpp and connect the DMM lead to J9 GND Verify a voltage reading of 2 00 V 30 mV TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 27 Performance Verification Ajustment Verification Fixture R38 Vpp adjust RS v 20900900 4 oooooooo 4 48 Veg J6 J Y aI o J14 go 99 Cc lt gt J20 J122 a J10 55 73 ue rou J15 m C 55555 12 55 00 4 481921 R85 Threshold in J19 R67 External Clock in Sf L J17 J9 GND z 2 O 90 Denotes ground side of resistor DESKEW HOLD O O O
88. ed and tested exchange boards Each board comes with a 90 day service warranty TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Introduction When you exchange circuit boards you must supply the following information to allow the board to be preconfigured to the proper PowerFlex level You can also return the repaired module to your local service center for configuration Model number and serial number PowerFlex option upgrade number Firmware level For More Information Contact your local Tektronix service center or sales engineer for more informa tion on any of the Calibration and Repair Services just described TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual xvii Introduction xviii TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Specifications Product Description Characteristic Tables This chapter provides a brief product description specifications and characteris tics of the logic analyzer module and the adjustmernt verification fixture The logic analyzer module is designed to be used with either the benchtop mainframe or portable mainframe in a TLA700 Series Logic Analyzer The logic analyzer module is used as a test and measurement tool for high speed digital timing and state acquisition across several channels Some of the key features of the logic analyzer module include the following m 100 MHz synchronous acquisition with a programmable
89. eplacement LPU board or an LPU exchange board from the Tektronix Exchange Center you must supply the model number serial number PowerFlex Option upgrade number and firmware level Removal Usethe following procedure and Figure 6 6 to remove the LPU board 1 2 Perform the Cover removal procedure see page 6 7 Remove the five T 10 Torx drive screws that secure the LPU board to the chassis Remove the cable bracket and unplug two 100 pin ribbon cables from J1330 and J1630 For 102 channel modules or 136 channel modules remove the two screws that secure the top EMI bracket to the chassis Remove the top EMI bracket to gain access to the front of the LPU board extension fh CAUTION Handle the LPU board gently to avoid breaking the front panel LED 6 7 Carefully move the LPU board away from the front panel until the tabs Figure 6 6 clear the front subpanel Lift the LPU board above the chassis TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 13 Removal and Installation Procedures 6 14 Installation Remove screws 2 Remove screws 5 CNN RS 2 2 EMI bracket Cables 2 Figure 6 6 LPU board removal Use the following procedure and Figure 6 6 to install the LPU board 1 Insert the tabs on the LPU board into the front subpanel as shown in Figure 6 7 Then set the LPU board in place on the chassis 2 Push forward on the LPU
90. equence m SELECT TEST S runs only the selected tests To run a single test enter the test number To run multiple tests enter a comma separated list of numbers or a hyphen separated list of numbers Enter the number next to your choice and click Enter to continue 14 Follow the on screen instructions to connect and adjust test equipment 15 When testing is completed disconnect the test equipment While the program is running you can interrupt the program to rerun a test start over or to exit the program by clicking the Interrupt button shown below Interrupt The program will then provide a list of choices Enter the number next to the choice that you want and click Enter NOTE If you interrupt a test before it has completed you must restart the test to obtain valid test data Some tests such as Internal Cal do not allow interrupts If you stop these tests using more aggressive methods you may have to reboot the instrument TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module Obtaining Test Results results of all tests can be stored a file on the hard disk You can view the test results print the test results to a printer or save the test results in another file on the hard disk The software stores the test results in a file containing the module name and serial number for example TLA7O4 B020123 The file is located under the foll
91. ervice Manual Performance Verification Logic Analyzer Module Test Equipment You will need the following equipment to complete the functional verification procedure m TLA700 Series Logic Analyzer mainframe with one LA module installed more modules are required to check the merged functionality m One adjustment verification fixture with power supply Setup Itis assumed that the LA module is properly installed and that all accessories are connected Refer to the Tektronix Logic Analyzer Family User Manual for installation instructions Power on the instrument and allow a 30 minute warmup before continuing with any procedures in this section Module Self Tests and During power on the installed modules perform an internal self test to verify Power On Diagnostics basic functionality No external test equipment is required The self tests require only a few seconds per module to complete The front panel ARM D and TRIG D indicators blink during the self test After testing completes the front panel indicators have the following states READY Green on ACCESSED off m ARM D off m TRIG D off Next the power on diagnostics are run If any self tests or power on diagnostics fail the instrument displays the Calibration and Diagnostics property sheet TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 4 5 Performance Verification Logic Analyzer Module 4 6 Single LA Module Funct
92. eskewprobesetup 1 3 and amp 6comeded J15 Clock selection J16 Deskew 1 2 and 4 5 connected J17 jJ9 Clock polarity select ts 1 Set up the oscilloscope by pressing Setup and then press Factory Setup and then press OK Confirm Factory Init to return the oscilloscope to default conditions Set up the oscilloscope as listed below a Set up the CH1 Vertical menu as follows Coupling DC 50 Q W Fine Scale 200 mV div W Position 3 32 div b Set up the Horizontal menu as follows W Time Base Main TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 21 Adjustment Verification Fixture Adjustment m Record Length m Horizontal Scale c Set up the Trigger menu as follows Source Coupling Slope Level Mode 5000 Main Scale 500 ps div CH2 DC 700 mV Normal d Set up the Measure menu as follows m Select Measurement for CH1 Set up the Cursor menu as follows f Set up the Acquire menu as follows m Acquisition Mode m Repetitive Signal Gating Function Measure Off V Bars Sample On 3 Using the delay taps on Delay SETUP ADJ add or subtract the appropriate delay to ensure a 3 0 ns 225 ps timing difference between R67 and R127 J4 SU HOLD CLK OUT See Note on page 5 16 4 Install a jumper at J19 and verify that the signal at R127 changes to a Falling Edge 5 After completing the adjustment verification fix
93. et specifications The procedure is described in the performance verification section beginning on page 4 25 Make a copy of the Calibration Data Report at the end of this chapter and then record the results on the copy Performance Verification This section contains procedures to verify the accuracy of the adjustment verifi cation fixture Prerequisites tests this section provide a valid confirmation of performance and functionality when the following requirements are met The adjustment verification fixture must have been operating for a warm up period of at least 30 minutes and must be operating at an ambient tempera ture between 20 C and 30 C m The adjustment verification fixture must have been last adjusted at an ambient temperature between 20 C and 30 C m The adjustment verification fixture must be an environment within the same limits as for the logic analyzer described in the Specifications section of the Tektronix Logic Analyzer Family User Manual These tests should be performed once every two years Tests Performed Each test verifies or more parameters Table 4 5 Adjustment verification fixture performance verification tests Test name Specification tested Power supply Vpp Internal clock frequency 50 065 MHz Data skew Less than 50 ps between any 2 channels Hold time 0 0 ns Setup time 3 0 ns 1 Certifiable parameter TLA7Nx TLA7Px amp TLA7
94. event possible injury to service personnel or damage to electrical compo nents read Preventing Electrostatic Discharge on page 6 1 Tools Required Most circuit boards in the TLA7Nx TLA7Px or TLA7Qx logic analyzer module can be removed using a size T 10 Torx screwdriver Table 6 3 lists the tools needed to replace circuit boards Table 6 3 Tools required for circuit board replacement Name Description Screwdriver with a T 10 Torx tip Standard tool Soldering iron Standard tool Solder wick Standard tool 1 4 inch nut driver Standard tool Torque Requirements Torque all T 10 screws to 4 in lbs TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 5 Removal and Installation Procedures Injector Ejector Handles 6 6 Removal Installation You will need a screwdriver with a size T 10 Torx tip to replace the injector ejec tor handles Use the following procedure and Figure 6 1 to remove the injector ejector handles 1 Place the module on the right side see Figure 6 1 2 Remove the two screws that secure the injector ejector handle to the chassis 3 Remove the injector ejector handle from the module Ejector handles 2 Figure 6 1 Injector ejector handle replacement Use the following procedure and Figure 6 1 to install the injector ejector handles NOTE The top and bottom injector ejector handles are not interchangeable The top injector ejector handle assembly has a n
95. face Contacting Tektronix xiv 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 sup 1 800 833 9200 select option 2 port Technical sup Email techsupport tektronix com port 1 800 833 9200 select option 3 1 503 627 2400 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 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual F y Introduction This manual contains information needed to properly service the logic analyzer module as well as general information critical to safe servicing To prevent personal injury or damage consider the following requirements before attempting service m The procedures in this manual should be performed only by a qualified service person m Read the General Safety Summary and Service Safety Summary found at the beginning of this manual When using this manual for servicing follow all warnings and cautions Adjustment and Certification Interval Generally you should perform the adjustments and certification calibration described in the Performance Verification and Adjus
96. ge and select the logic analyzer module Click on the Run button to start the self calibration Upon completing the self calibration the logic analyzer module menu selection changes from Running to Calibrated Self Calibration for Merged Modules If you intend to merge modules perform the self calibration on each individual module first then perform a self calibration on the merged module set You can run the self calibration at any time during normal operation To maintain measurement accuracy perform the self calibration if more than one year has elapsed since the last self calibration You can check the status of the self calibration in the Calibration and Diagnostics property sheet If the logic analyzer module loses power during the self calibration rerun the self calibration following the next power on The self calibration data generated before power was interrupted must be replaced with a complete set of new data For best results always perform the self calibration after at least a 30 minute warm up TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Operating Information The logic analyzer module may require several minutes to run the self calibration depending on the number of channels Select the Calibration and Diagnostics property sheet from the System menu Select the Self Calibration tab page and select the logic analyzer module Click the Run button to start the self calibra tion Upon completing the
97. gic analyzer module to your local Tektronix service center Refer to Table 6 8 on page 6 38 and to Table 6 9 on page 6 39 to determine the proper procedures to run to verify proper operation of the logic analyzer module 6 16 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Acquisition Board You will need a screwdriver with size T 10 Torx tip and a 1 4 inch nut driver to replace the acquisition board Removal Use the following procedure and Figure 6 9 to remove the acquisition board 1 Perform the Cover removal procedure see page 6 7 2 Ifthere are daughter boards installed in the module perform the Daughter Boards removal procedure see page 6 11 3 Perform the Local Processor Unit Board removal procedure see page 6 13 4 Unplug the two 100 pin ribbon cables from J1270 and J1420 as follows a Grasp and squeeze the metal cable retainers Figure 6 9 to unlock each cable from the connector b Unplug the cables from the acquisition board and set them aside NOTE It may be necessary to remove the spacer post between the two cables to unlock the cables from the connector TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 17 Removal and Installation Procedures Unplug ribbon cables 2 Squeeze to unlock cable Figure 6 9 Removing the cables from the Acquisition board TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Modu
98. gnition circuitry The data recognition circuitry analyzes the acquired data and determines which data to qualify and send to the acquisition memory It also sends trigger event signals to the trigger and storage circuitry Trigger and Storage Control Circuitry The trigger and storage control circuitry works with the data recognition circuitry The trigger circuitry determines when to store data and when to trigger controls counter timers and drives intermodule signals The storage circuitry receives information from the trigger circuitry to determine when to start storing data and when to stop storing data Acquisition Memory The acquisition memory stores acquired data The acquisi tion memory can be set up to contain all data samples or it can be split to contain data samples and glitch information When the acquisition memory is split half of the memory depth is lost and the logic analyzer module can only run at half speed Each stored data sample takes up two memory locations one to store the actual data sample and the other to store the corresponding glitch information Backplane Interface The backplane interface provides the interface with the mainframe and the Acquisition board The interface contains intermodule signals that communicate with other modules It also provides the 10 MHz reference clock Local Processing Unit Interface The LPU interface provides the interface between the LPU circuit board and the acquisition board t
99. hrough two 100 pin ribbon cables W100 and W200 Daughter Boards Each comparator daughter board passes 32 data signals and 2 clock qualifier signals from the probes through two probe receiver ICs to the Acquisition board Each prove receiver also receives two threshold voltages four threshold signals total from the Acquisition board This results in 72 signal pins connecting each Daughter board to the Acquisition board The 136 channel logic analyzer modules have two Daughter boards the 102 channel logic analyzer modules have only one Daughter board No Daughter boards are present in 68 channel or 34 channel logic analyzer modules the probe input circuitry for these modules is present on the Acquisition board Probes Fach P6417 probe acquires 17 channels 16 data channels and one clock or qualifier of data TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 3 3 Theory of Operation Merged Modules merged module consists of a Master module and a Slave module connected together by a merge cable connector and by signals on the local bus of the mainframe backplane The local bus sends the system clock of the Master module to the Slave module The two merged modules must be located in adjacent slots The merge Cable Connector passes 26 signals between the two modules 16 trigger event signals two storage control signals foru valid sample clock iden tification signals and four data login control signals 3 4 TL
100. ible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER
101. ication fixture into an appropriate socket and plug the DC connector into J26 2 The LED adjacent to J26 should light This indicates the input power supply is functioning properly TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 21 Performance Verification Ajustment Verification Fixture External Clock Input Use the following procedure to verify the external clock input circuit is dividing the input frequency by two and routing this clock signal to the proper output connectors This test provides a basic functionality check of the adjustment veri fication fixture Parameter tested External clock input Equipment required Prerequisites Oscilloscope item 3 Oscilloscope probe item 4 equipment Sine wave generator item 16 Precision BNC cable item 15 Warm up time 30 minutes for adjustment verification fixture and test 1 Set the jumper positions as called out in the table Refer to Figure 4 9 on page 4 23 for jumper locations Jumper Jumper name J13 J15 J16 J17 J19 4 22 P6434 Setup amp Hold Deskew select Clock selection Deskew Setup hold select Clock polarity select Connect the sine wave generator to J18 verification fixture Jumper setting Disconnected EXT 1 2 and 4 5 connected Disconnected Disconnected EXT CLK IN on the adjustment Set the generator output to 210 MEZ 1 V p p Set up the oscilloscope by pressing Setup Factory Setup and
102. ick the Self Calibration tab TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Logic Analyzer Module Adjustment Procedures Using the Software Performing the Adjustments Adjustment Sequences and Dependencies Adjustment After Repair Test Equipment This section describes how to perform adjustments using the performance verification and adjustment software There are no manual adjustments for the LA Modules Instead the performance verification and adjustment software adjusts the instrument hardware using external test equipment connections that you provide in response to prompts on the screen Upon successful completion of each adjustment the performance verification and adjustment software automatically loads the new calibration data into memory The performance verification and adjustment software allows you to run groups of adjustments or sequences A sequence consists of one or more individual adjustments Normally you will perform a RUN FULL SEQUENCE which executes each adjustment in the proper order The performance verification and adjustment software also provides instructions for running each adjustment individually However you should only perform individual adjustments while troubleshooting You must perform a full adjustment sequence following replacement of any circuit board In addition to the basic system setup you will need some of the equipment shown in Table 4 1 on page 4 3 t
103. indicate a faulty probe podlet Isolate faulty podlets by switching single podlets and observing if the problem tracks with the suspected podlet Refer to the instructions in the probe manual for replacing faulty probe podlets Troubleshoot the Logic Analyzer Module Equipment Required Preparation Follow the procedure in this section to identify the failed part within the logic analyzer module This procedure requires that the module is installed in a fully functional mainframe If you have not determined that the mainframe is functional or if you suspect the problem might be in a probe or in another module refer to Eliminating Other Problem Sources The basic troubleshooting procedures require minimal test equipment There are no accessible test points to measure voltages An ohmmeter is recommended for checking fuses The fault isolation procedure requires that you recognize codes flashed by the front panel LEDs during power up m familiar with the power on diagnostics TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 31 Troubleshooting Calibration and Diagnostics Procedures 6 32 W know how to run extended diagnostics and self calibration To fill these requirements read the topics below before performing the Fault Isolation Procedure on page 6 33 The following calibration and diagnostic procedures will help you diagnose problems Self Calibration Use self calibration to calibrate
104. ins 1 2 and pins 3 4 a Connect the CH1 probe to J2 2 Measure the pulse width using the vertical cursor bars b Using the delay taps on Delay DATA PULSE ADJ add or subtract the appropriate delay to ensure a 1 9 ns 50 ps data pulse width See Note that follows NOTE The trace loops on the circuit board add delay according to their length The longer the loop the more delay is added to the circuit The loops from shortest to longest add approximately 50 ps 100 ps 200 ps 400 ps and 800 ps respectively The length of the jumper wire also adds delay so care should be used in the length of the jumper wire you add It will be necessary to add small loops to the wire jumpers to obtain correct delays and pulse widths on some of the following adjustments c Move shorting jumpers at J16 to DESKEW Connect the jumper to pins 4 5 and 2 3 d With the CH1 probe still connected to J2 2 measure the pulse width using the vertical cursor bars e Using the delay taps on Delay DESKEW PULSE ADJ add or subtract the appropriate delay to ensure a 8 10 ns pulse width See Note following step b 5 16 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Adjustment Verification Fixture Adjustment Data Timing Adjustment Parameter tested Equipment Required Prerequisites equipment Data Timing Adjustment Oscilloscope item 3 Shorting jumpers item 14 The following procedure is used
105. ional Verification Procedure The following procedure checks the basic functionality of a single LA module Functional verification consists of running the extended diagnostics NOTE Running the extended diagnostics invalidates any acquired data If you want to save any of the acquired data do so before running the extended diagnostics Prerequisites Warm up time 30 minutes Power up diagnostics pass SELF_CAL passes Perform the following steps to complete the functional verification procedures Before beginning this procedure be sure that no active signals are applied to the instrument Certain diagnostic tests will fail if signals are applied to the probe during the test 1 In the logic analyzer application go to the System menu and select Calibration and Diagnostics 2 Click the Extended Diagnostics tab 3 Select the top level test and click the Run button The diagnostics will perform each one of the tests listed in the menu under the module selection All tests that displayed an Unknown status will change to a Pass or Fail status depending on the outcome of the tests 4 Scroll through the test results and verify all tests pass NOTE If Extended Diagnostics fail run Self Cal for the LA module and then rerun Extended Diagnostics TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module Merged LA Module following procedure checks the
106. ircuit run plating Repair action Remove failed circuit board and replace with a new one Resistors Burned cracked broken blis tered condition Remove failed circuit board and replace with a new one TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 3 Maintenance 6 4 A Interior Cleaning Procedure Table 6 2 Internal inspection check list Cont Item Inspect for Repair action Solder connections Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Capacitors Damaged or leaking cases Remove failed circuit board and Corroded solder on leads or replace with a new one terminals Semiconductors Damaged parts or distorted pins Replace circuit board if parts are damaged Wiring and cables Loose plugs or connectors Firmly seat connectors Repair or Burned broken or frayed wiring replace circuit boards with defec tive wires or cables CAUTION To prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the logic analyzer module To clean the interior perform the following steps 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 boar
107. ire At speed Sync Acquire Miscellaneous At speed Threshold Acquire 1 Ensure probes are disconnected before running this test Power on 2 Replace the daughter board if this test fails and both the DAC and the At speed Async Acquire test pass TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Extended al al al al al al al al yn al al 6 37 Troubleshooting Adjustment After Repair 6 38 After the removal and replacement of a circuit board or assembly due to electrical failure locate the board removed in Table 6 8 and perform the indicated procedures Table 6 8 Requirements after replacement Board replaced LPU board Acquisition board Daughter boards 1 personnel Adjustment required Adjustment Powerflex Firmware level restoration Deskew Self Calibration Adjustment Self Calibration Deskew Adjustment Deskew updating module firmware Verification checks Self Calibration Power on and Extended Diagnostics Self Calibration Power on and Extended Diagnostics Power on and Extended Diagnostics The PowerFlex restoration or changes can only be made by Tektronix service Refer to the Tektronix Logic Analyzer Family User Manual for instructions for TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Troubleshooting Overview of Procedures Table 6 9 provides a brief overview of the troubleshooting adjustme
108. isplay an error message if the DUT chosen does not match the installed DUT Click Enter to continue Enter the complete serial number of the DUT for example 010100 Click Enter to continue P eairrasanca beiss par eed RAT name 21 fifty nr lene Ge mot dbl 2 Bx e If you select no a prompt asks you to enter the serial number again TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 4 13 Performance Verification Logic Analyzer Module Using the Interrupt Button 9 The program lists sequences for PV performance verification and ADJ adjustments Enter a number to select which sequence you want and click Enter to continue 10 If an instrument is being tested the program lists the different probe types available for testing Enter the appropriate number corresponding to your probe and then click Enter to continue 11 Enter the operating temperature in degrees C entries in the range of 20 to 30 degrees are valid Click Enter to continue 12 Enter the operating humidity as a percentage 0 to 100 entries are valid Click Enter to continue 13 Determine which sequence to run m RUN FULL SEQUENCE runs the entire sequence from beginning to end This is the recommended selection m RUN PARTIAL SEQUENCE runs part of the full sequence The sequence runs from the selected starting point to the end of the s
109. 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 Safety beginning of this manual Related Manuals Symbols and terms related to safety appear in the Safety Summary found at the The following manuals are available as part of the TLA700 Series Logic Analyzer documentation set Refer to Optional Accessories on page 10 7 for part numbers Manual Name Tektronix Logic Analyzer Family User Manual Description Provides operating information on the TLA Series Logic Analyzer Service use Augments operating information found in chapter 2 of this manual TLA715 Portable Mainframe Service Manual Provides service information for the portable mainframes Isolating and correcting failures in the portable mainframe TLA721 Benchtop Mainframe and TLA7XM Expansion Mainframe Service Manual Provides service information for the benchtop mainframe and expansion mainframe Isolating and correcting failures in the benchtop mainframe controller or expan sion mainframe TLA7Dx TLA7Ex Digitizing Oscilloscope Service Manual Provides service information for the digitizing oscilloscope modules Isolating and correcting failures in the DSO module TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual xiii Pre
110. kew test setup Figure 5 3 Adjustment verification fixture circuit board layout Figure 6 1 Injector ejector handle replacement Figure 6 2 Cover removal Figure 6 3 Feeding the merge cable through the cover Figure 6 4 Seating the cover on the Figure 6 5 Daughter board replacement Figure 6 6 LPU board Figure 6 7 Inserting LPU board tabs into front subpanel Figure 6 8 Crimping the interconnect cables Figure 6 9 Removing the cables from the Acquisition board Figure 6 10 Removing the Merge cable connector from the chassis Figure 6 11 Removing the acquisition board from the chassis Figure 6 12 Fuse Figure 6 13 Rear EMI gasket Figure 6 14 Rear EMI gasket replacement 4 16 4 17 4 18 4 19 4 20 4 23 4 26 4 28 5 4 5 8 5 13 6 6 6 8 6 9 6 10 6 12 6 14 6 15 6 16 6 18 6 19 6 20 6 23 6 25 6 25 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Table of Contents Figure 6 15 Primary troubleshooting chart 6 35 Figure 9 1 Interconnections 9 1 Figure 9 2 Block diagram 9 2
111. l Setup and hold window range Maximum synchronous clock rate Maximum window size Maximum channel to channel skew 2 x sample uncertainty 0 4 ns Maximum setup time User interface setup time 0 8 ns Maximum hold time User interface hold time 0 2 ns Maximum setup time for slave module of merged pair User Interface setup time 0 8 ns Maximum hold time for slave module of merged pair User Interface hold time 0 7 ns Examples for a P6417 or a P6418 probe and user interface setup and hold of 2 0 0 0 typical Maximum window size 1 6 ns 2 x 500 ps 0 4ns 3 0 ns Maximum setup time 2 0 ns 0 8 ns 2 8 ns Maximum hold time 0 0 ns 0 2 ns 0 2ns Channel to channel skew typical 2 x sample uncertainty Example for P6417 or P6418 Probe 1 ns 2 x 500 ps 2 ns The setup and hold window can be moved for each channel group from 8 5 ns Ts to 7 0 ns Ts in 0 5 ns steps setup time Hold time follows the setup time by the setup and hold window size 200 MHz in full speed mode 5 ns minimum between active clock edges 100 MHz in half speed mode 10 ns minimum between active clock edges Demux clocking Demux Channels Channels multiplex as follows TLA7N3 TLA7N4 TLA7P4 TLA7Q4 7 0 to D3 7 0 2 7 0 to D2 7 0 A1 7 0 to D1 7 0 A0 7 0 to DO 7 0 TLA7N1 TLA7N2 TLA7P2 TLA7Q2 Channels multiplex as follows 7 0 to C3 7 0 A2 7 0 to C2 7 0 A1 7 0 to D1 7 0 TLA7N2
112. l number Verification performed by Test Data Characteristic Specification Tolerance Internal clock frequency 50 065 MHz 01 percent 50 0600 MHz 50 0700 MHz Data Output 50 ps Less than 50 ps Channel to Channel Skew Setup Clock Output at R127 3 0 ns 100 ps Setup Clock Output at R321 3 0 ns 100 ps Hold Clock Output at R127 0 0 ns 100 ps Hold Clock Output at R321 0 0 ns 100 ps Certificate number Verification date Procedure reference Page 4 29 Step 2 Page 4 31 Step 8 Page 4 36 Step 10 Page 4 36 Step 12 Page 4 33 Step 9 Page 4 34 Step 11 Incoming data Outgoing data Tektronix rm ee Logic Analyzer Module Adjustment Procedures This chapter contains procedures which use the performance verification and adjustment software to adjust the TLA7Nx TLA7Px and TLA7Qx logic analyzer modules to within factory specifications The performance verification and adjustment software contains instructions and control programs for adjusting the instrument The software describes test equipment connections and settings selects setup parameters and loads calibration constants into memory This chapter also contains adjustment procedures for the adjustment verification fixture which begin on page 5 11 These procedures adjust the LA Module for conformance with the warranted characteristics listed in the Specifications chapter of this manual Adjustments should be done after repai
113. l of the tests are performed including Extended Diagnostics the internal sampling period is indirectly verified In addition to the basic system setup you will need some of the equipment shown in Table 4 1 on page 4 3 to complete the performance verification procedures Each procedure includes a table that calls out the equipment used Use Table 4 1 for equipment specifications If you substitute equipment always choose instruments that meet or exceed the minimum requirements specified TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module Using the Software software consists of executable software files Use the following steps to start and run the software 1 Allow the instruments to warm up for at least 30 minutes before beginning the procedure Quit all applications including the TLA application Select Start Programs TLA Performance Verification To run the performance verification and adjustment software select the following m For the LA modules select LA 7XX Follow the instructions on the screen to enter the name you want to appear in the User Name field as shown below This name will appear on the Calibration Data Reports The program lists several different modules referred to as DUT Device Under Test Enter the number corresponding to the module type that you want to test then click Enter to continue The screen will d
114. le Service Manual Removal and Installation Procedures 5 Turn the chassis over 6 Remove the two screws that secure the merge cable connector to the chassis NOTE The 34 channel and 68 channel modules do not have a merge cable or merge cable connector For these modules ignore the steps dealing with the merge cable and the merge cable connector Remove screws 2 7 lt gt Merge cable connector Figure 6 10 Removing the Merge cable connector from the chassis TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 19 Removal and Installation Procedures 6 20 7 Remove the nine spacer posts with a nutdriver that secure the acquisition board to the chassis Remove spacer posts 9 Acquisition board Figure 6 11 Removing the acquisition board from the chassis 8 Carefully slide the acquisition board away from the front panel until the probe connectors clear the front panel Then lift the circuit board from the chassis 9 Disconnect the merge cables from the acquisition board NOTE After replacing the acquisition board refer to Table 6 8 on page 6 38 and to Table 6 9 on page 6 39 to determine the proper procedures to run to verify proper operation of the logic analyzer module TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures Installation Use the following procedure to install the acquisition bo
115. ling period Description Product TLA7N1 TLA7N2 TLA7P2 TLA7Q2 TLA7N3 TLA7L3 TLA7M3 TLA7N4 TLA7P4 TLA7Q4 Product TLA7L1 TLA7L2 TLA7L3 TLA7L4 TLA7N1 TLA7N2 TLA7N3 TLA7N4 TLA7P2 TLA7P4 TLA7Q2 TLAQP4 Description 4 ns to 50 ms in 1 2 5 sequence 2 ns 2x Clocking mode m The logic analyzer module must have had its signal path compensation routine self calibration last executed after at least a 30 minute warm up period Channels 32 data and 2 clock 64 data and 4 clock 96 data 4 clock and 2 qualifier 128 data 4 clock and 4 qualifier Memory depth 32 K or 128 K samples 64 K or 256 K or 1 M or 4M samples 16 M samples 64 M samples Minimum recognizable word across all channels 1 6 ns 4ns 5 6 ns Channel to channel skew sample uncertainty Example for a P6417 or a P6418 Probe and a 4 ns sample period Synchronous clocking Number of clock channels Product Clock channels TLA7N1 2 TLA7N2 TLA7P2 TLA7Q2 4 TLA7N3 4 TLA7N4 TLA7P4 TLA7Q4 4 Number of qualifier channels Product Qualifier channels TLA7N1 0 TLA7N2 TLA7P2 TLA7Q2 0 TLA7N3 2 1 2 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Specifications Table 1 2 LA module clocking Cont Characteristic Description TLA7N4 TLA7P4 TLA7Q4 4 Setup and hold window size data and qualifiers Setup and hold window size data and qualifiers Typica
116. mation Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 6 41 Repackaging Instructions Storage 6 42 A CAUTION When returning the LPU board separately be sure to properly support the narrow LED arm of the circuit board so it will not be damaged during transit or storage The TLA7Nx TLA7Px or TLA7Qx logic analyzer module should be stored in a clean dry environment The following environmental characteristics apply for both shipping and storage m Temperature range 40 F to 160 F 40 C to 71 C m Altitude To 40 000 feet 12 190 meters See Table 1 9 on page 1 8 for a complete listing of the module environmental characteristics TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Options This chapter lists the advertised options for each logic analyzer module Refer to the Mechanical Parts List chapter for a list of standard and optional accessories for each module NOTE Service options are listed on the Tektronix Service Options page that precedes the Table of Contents in this manual TLA7N1 TLA7N2 TLA7N3 and TLA7N4 Options Table 7 1 list options for the TLA7N1 TLA7N2 TLA7N3 and TLA7N4 modules The number of probes per probe option depend on the number of channels in the logic analyzer module Table 7 1 TLA7N1 TLA7N2 TL
117. me power supply failure contact local Tektronix service center Mainframe controller is not installed properly or not at all Non system disk or floppy in external drive make sure logic analyzer boots from hard drive Refer to the Tektronix Logic Analyzer Family User Manual for software reinstallation procedures Hard drive failure or corrupted files on hard drive contact local Tektronix service center Modules not fully inserted make sure front of module is flush with front panel Flash jumper installed on rear of module Mainframe power supply failure contact local Tektronix service center Open fuses on logic analyzer module local processor unit board Corrupted module firmware reinstall firmware Refer to the Tektronix Logic Analyzer Family User Manual Module not fully inserted make sure front of module is flush with front panel Module failure contact local Tektronix service center Module not fully inserted make sure front of module is flush with front panel Module failure see Troubleshoot the Logic Analyzer Module or contact local Tektronix service center Open fuses on logic analyzer module local processor unit board or acquisition board Module loses settings when power is turned off Module failure see Troubleshoot the Logic Analyzer Module or contact local Tektronix service center NV RAM failure refer to page 6 13 for local processor unit board replacement instructions Module will not acquire
118. module except that the widths of the word range recognizers setup and hold violation detector glitch detector and transition detector are increased to the merged channel width Table 1 9 Atmospherics Characteristic Description Altitude Operating 10 000 ft 3040 derated 1 per 1000 ft 305 above 5000 ft 1524 altitude Non operating 40 000 ft 12190 m Temperature 1 8 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Specifications Table 1 9 Atmospherics Cont Characteristic Operating Non operating Relative Humidity Operating and non operating Non operating Description 5 C to 50 C 15 C hour maximum gradient non condensing derated 1 C 1000 ft above 5000 ft altitude 20 to 460 C 15 C hour maximum gradient non condensing 20 to 80 relative humidity non condensing Maximum wet bulb temperature 29 C derates relative humidity to approximately 22 at 50 C 8 to 80 relative humidity non condensing Maximum wet bulb temperature 29 C derates relative humidity to approximately 22 at 50 C Table 1 10 Certifications and compliances EC Declaration of Conformity EMC Meets intent of Directive 89 336 EEC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 55011 Class A Radiated and Conduct
119. n our Customer Services World Center web site at http www tek com Mea surement Service See our latest service offerings and contact us by email In addition to warranty repair Tektronix Service offers calibration and other services that provide cost effective solutions to your service needs and quality standards compliance requirements Our instruments are supported worldwide by the leading edge design manufacturing and service resources of Tektronix to provide the best possible service The following services can be tailored to fit your requirements for calibration and or repair of the logic analyzer module Tektronix Service Options can be selected at the time you purchase your instrument You select these options to provide the services that best meet your service needs If service options are not added to the instrument purchase then service agreements are available on an annual basis to provide calibration services or post warranty repair coverage for the logic analyzer module Service agreements may be customized to meet special turn around time and or on site requirements Tektronix also offers calibration and repair services on a per incident basis that is available with standard prices for many products Tektronix supports repair to the replaceable part level by providing for circuit board exchange Use this service to reduce down time for repair by exchanging circuit boards for remanufactured ones Tektronix ships updat
120. ndex Tektronix part Serial no number number effective discont d 1 1 407 4458 XX 1 2 200 4338 XX 1 3 211 0409 XX 1 4 348 1537 XX 1 5 407 4489 XX 1 6 671 4252 XX 1 7 129 1478 XX 1 8 671 4214 XX 671 4215 XX 671 4216 XX 671 4217 XX 671 4238 XX 671 4239 XX 671 5332 XX 671 5282 XX 1 9 386 6868 XX 1 10 441 2155 XX 441 2156 XX 441 2157 XX 441 2158 XX 1 11 367 0484 XX Qty Name amp description 27 29 17 25 BRACKET CABLE TLA7N3 7N4 7P4 7Q4 MALE MERGE ASSEMBLY COVER HOLE COVER FOR TLA7N1 7N2 7P2 7Q2 NON MERGED MODULES TLA7N1 7N2 SCR ASSEM WSHR 4 40 X 0 312 PNH STL CDPL T 10 TORX TLA7N3 7N4 SCR ASSEM WSHR 4 40 X 0 312 PNH STL CDPL T 10 TORX TLA7P2 7Q2 SCR ASSEM WSHR 4 40 X 0 312 PNH STL CDPL T 10 TORX TLA7P4 7Q4 SCR ASSEM WSHR 4 40 X 0 312 PNH STL CDPL T 10 TORX TLA7N93 7N4 7P4 7Q4 GASKET EMI CLIP ON 1 98 L BE CU TIN PLATED W T LANCES BRACKET LPU BUS CABLES CKT BD ASSY TLA7XX LPU LOCAL PROCESSOR UNIT SPACER POST 1 78 L 1 113 SPACING W 0 35 L 0 25 HEX W 4 40 INT THD X 6 32 EXTERNAL THD NICKEL CIRCUIT BD ASSY 34 CH 4M 100MHZ TLA7N1 ACQUISI TION CIRCUIT BD ASSY 68 CH 4M 100MHZ TLA7N2 ACQUISI TION CIRCUIT BD ASSY 102 CH 4M 100MHZ TLA7N3 ACQUISI TION CIRCUIT BD ASSY 136 CH 4M 100MHZ TLA7N4 ACQUISI TION CIRCUIT BD ASSY 68 CH 16M 100MHZ TLA7P2 ACQUISI TION CIRCUIT BD ASSY 136 CH 16M 100MHZ TLA7P4 ACQUISITION CIRCUIT BD ASSY 68 CH 64M TLA7Q2 ACQUIS
121. ng a faulty part For a list of supplimental documentation refer to the following table Manual or Section TLA715 Portable Mainframe Service Manual or TLA721 Benchtop Mainframe amp TLA7XM Expansion Mainframe Service Manual Tektronix Logic Analyzer Family User Manual Removal and Installation Procedures in this manual Replaceable Parts List in this manual Check for Common Problems Use Table 6 6 to quickly isolate possible failures The table lists problems related to the logic analyzer module and possible causes The list is not exhaustive but it may help you eliminate a problem that s quick to fix such as a 6 28 blown fuse or loose cable Purpose To eliminate benchtop or portable mainframe as problem source whichever configuration is in use To remove and reinstall modules in mainframe to reinstall Windows 2000 or the TLA700 application software when required To remove and reinstall failed replaceable parts To order replaceable parts TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Troubleshooting Table 6 6 Failure symptoms and possible causes Symptom Mainframe does not power on Mainframe does not boot Modules not recognized Controller does not power on Module does not pass the normal power on diagnos tics READY indicator not green Possible cause s Power connection faulty check or substitute power cord Fuse blown check line fuse Mainfra
122. ng maintenance The operating information is limited to the functions you need to perform the procedures found in this document You can find more detailed operating instructions in the Tektronix Logic Analyzer Family User Manual and in the online help This section contains brief installation information and is provided for your convenience For detailed installation information refer to the Tektronix Logic Analyzer Family User Manual NOTE Do not set the logic analyzer module logical address to 00 Logical address 00 is reserved for the controller Dynamic Autoconfiguration With Dynamic Auto Configuration Recommended selected hexadecimal FF or decimal 255 the logic analyzer automatically sets the address to an unused value For example if there are modules set to addresses 01 and 02 already in your system the resource manager will automati cally assign the logic analyzer module an address other than 01 or 02 Static Logical Address Static logical address selections set the address to a fixed value A static logical address ensures that the logic analyzer module address remains fixed for compatibility with modules that require a specific address value Remember that each module within the logic analyzer must have a unique address to avoid communication problems TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 2 1 Operating Information Least significant digit
123. ng procedure checks the basic operation of the probes by verifying that the probes recognize signal activity at the probe tips Equipment required Adjustment verification fixture version item 2 Prerequisites Warm up time 30 minutes P6417 P6418 or P6434 probe connected Test equipment connected as shown in Figure 4 2 Diagnostics and SELF CAL pass 1 Do not mix probes only one type of probe can be functionally verified at a time C2 C3 CK3 Adjustment verification Channel Group J5 fixture Fixture supply Clock ch ock channe bete NE S Figure 4 2 Probe functional verification test setup Perform the following steps to complete the probe functional verification 1 Ensure that the jumper at J15 on the adjustment verification fixture is in the INT position to select the internal 50 065 MHz clock See Figure 4 4 on page 4 16 for location of J15 Open the Setup window for the LA module Click the Set Thresholds button to display the Probe Threshold dialog box Adjust the threshold level to 700 mV for all channels LONE E ss Connect the acquisition probe to be tested to the C3 C2 channel group on the LA module 6 Refer to Figure 4 2 and connect the probe to J1 and J2 on the adjustment verification fixture Ensure that you connect the ground side of the podlets to the ground side of the adjustment verification fixture connectors TLA7Nx TLA7Px amp TLA7Ox
124. nt verification and calibration procedures NOTE Calibration constants are stored in the LPU NVRAM You must always perform a new self calibration and certification after you replace the LPU board Table 6 9 Troubleshooting overview Procedure Diagnostics power on and extended Adjustment self calibration Adjustment deskew Functional verification Performance verification Calibration certification Recommended interval Incoming inspection Annually Annually As needed After board replacement or annually Incoming inspection As needed Annually or as needed Annual recertification Purpose Verifies basic functionality Verifies basic functionality Time aligns the data channel Verifies front end and basic functionality including probes Verifies advertised per formance specifications Verifies primary refer When required During troubleshooting After acquisition LPU or daughter board replace ment After board replacement After board replacement After board replacement After acquisition LPU or Documented Power on Diagnostics page 6 32 When to perform Self Calibration page 2 8 Performance Verification and Adjustment Proce dures Performance Verification and Adjustment Proce dures Performance Verification and Adjustment Proce dures Performance Verification ences daughter board replace and Adjustment Proce ment du
125. o adjust the LA module Each procedure includes a table that calls out the equipment used Use Table 4 1 to identify required equipment specifications If you substitute equipment always choose instruments that meet or exceed the minimum requirements specified TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 3 Logic Analyzer Module Adjustment Procedures Adjustment Instructions This section describes how to perform adjustments using the performance verification and adjustment software Using the PV Adjust performance verification and adjustment software contains instructions for Software performing the adjustments The basic steps for completing the procedures follow 1 Start the program enter user and product identification information temperature and humidity 2 If you are using P6417 or P6418 probes label probe as the Reference Probe and the other probe as the Probe Under Test 3 If you are using a P6434 probe label the probe channel group identified as the pin 38 side as Probe A Label the probe channel group identified as the pin 1 side as Probe B refer to Figure 5 1 J tk Tektronix x P6434 7 An Tektronix Pin 1 label gt Recess on y pin 1 side Beveled corners SG Beveled corners T ree mee LU End view
126. oftware Installation and Removal on page 2 2 m The LA module must be installed a Tektronix logic analyzer mainframe m The instrument requires a 30 minute warm up time in a 20 C to 30 environment before it is adjusted Adjustments performed before the operating temperature has stabilized may cause errors in performance NOTE Only modules with channel widths of 102 or 136 channels can be merged Up to three modules can be merged from the TLA7Nx TLA7Px and TLA7Qx series modules When adjusting merged modules using the same type of individual modules for example three TLA7O4 modules the individual modules must be separated before continuing See the Tektronix Logic Analyzer Family User Manual for instructions on separating merged modules NOTE The performance verification and adjustment software runs independent of the logic analyzer application software and does not recognize configuration settings It is not necessary to unmerge modules through the application software before performing these procedures on merged modules When adjusting merged modules using different types of individual modules the adjustment procedure can be done on the merged module without physical separation NOTE After all of the modules have been physically merged run the self calibra tion procedure on the merged modules To run the self calibration procedure go to the System menu select Calibration and Diagnostics and then cl
127. on is programmable to any data sample 4 ns boundaries Either of the two counter timers used as counters can be incremented Either of the two counter timers used as timers can be started or stopped Either of the two counter timers can be reset When a counter timer is used as a timer and is reset the timer continues in the started or stopped state that it was in prior to the reset A signal sent to the backplane to be used by other modules Trigger out A trigger out signal sent to the backplane to trigger other modules TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 1 5 Specifications Table 1 3 LA module trigger system Cont Characteristic Description Storage control Global storage Storage is allowed only when a specific condition is met This condition can use any of the trigger machine resources except for the counter timers Storage commands defined in the current trigger state will override the global storage control Global storage can be used to start the acquisition with storage initially turned on default or turned off By event Storage can be turned on or off only the current sample can be stored The event storage control overrides any global storage commands Block storage When enabled 31 samples are stored before and after the valid sample Block storage is disallowed when glitch storage or setup and hold violation is enabled Glitch violation storage The acquisition memor
128. otch on right side and a tab on the left side the bottom injector ejector handle assembly does not have a notch or a tab 1 Install the injector ejector handle through the front panel cutout onto the mounting post TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Removal and Installation Procedures 2 3 Cover Install the screws to secure the injector ejector handle to the chassis Apply the proper replacement label You will need a screwdriver with a size T 10 Torx tip to remove the cover Removal Use the following procedure and Figure 6 2 to remove the cover 1 2 Place the module on the right side Remove the two T 10 Torx drive screws on the rear of the chassis and the two rear screws located on either side of the rear panel that secure the rear panel to the chassis Remove the four T 10 Torx drive screws that secure the cover to the chassis If you have a 102 channel module or a 136 channel module remove the four 1 10 Torx drive flat head screws located near the front of the module If the merge cable is connected to the merge cable bracket remove the two screws holding the cable and then remove the bracket Slide the cover back to disengage the tab and lift the cover from the chassis guide the merge cable through the center hole while removing the cover TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 7 Removal and Installation Procedures 6 8 Inst
129. owing path C Tekcats NOTE If you want to save the content of the Report file you must rename or copy the Report file using the Windows file utilities such as Explorer The Report file will be overwritten the next time you run the performance verification and adjustment software and print or view a new set of test data After completing a full or partial test sequence or just before you exit the program you can generate the test data and write it to a file You have the option of printing the file viewing the file on screen or transferring the file to another directory or host computer You can print the test data directly from the program Ensure that a printer is connected to your logic analyzer and follow the on screen instructions to print the test results If a printer is not available you can view the test results directly from the screen or you can copy the test results to a different file or folder host computer for future use Field Adjust PV Software performance verification and adjustment software creates data log files dlf Housekeeping files that store program data The dlf files are used by the performance verification and adjustment software to generate the view data and print out options Each dlf file is identified by the product serial number for example B010100 dlf The files are stored in the Tekcats folder under each TLA7xx folder To conserve disk space you must occasionally delete the
130. p the Horizontal menu as follows m Time Base Main m Record Length 5000 m Horizontal Scale Main Scale 2 ns div TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Ajustment Verification Fixture c Set up the Trigger menu as follows Source CH2 m Coupling DC m Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Measure m Gating On e Set up the Cursor menu as follows m Function V Bars f Set up the Acquire menu as follows Acquisition Mode Average 90 m Repetitive Signal On 4 Connect the CH2 probe of the oscilloscope to J1 2 on the adjustment verifi cation fixture 5 Select Deskew from the Vertical menu NOTE Observe proper polarity when performing the following steps See Figure 4 9 on page 4 23 to identify the ground side of the components being measured 6 Connect the CH1 probe of the oscilloscope to the custom probe tip adapter and measure the signal across R67 7 Begin the acquisition by pressing the Run Stop button 8 Use the large knob at the upper right of the panel to adjust delay until the leading edges of the two waveforms coincide and the displayed value of CH1 CH2 delay is averaged around 0 9 Connect the probe to R127 Verify the CH1 CH2 delay is averaged around 0 ns 100 ps TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 33 Performance Verification
131. r of the module or when performance verification tests have failed Prerequisites These procedures ask for the serial number of the instrument under test Before installing the modules in the mainframe record the serial number of the LA module You can also access the module serial number through the logic analyzer application In the application go to the System menu select System Properties and click on the LA instrument tab You must quit the logic analyzer application before continuing with the performance verification and adjustment software procedures Only trained service technicians should perform this procedure after meeting the following requirements m When multiple LA modules of the same model number are installed in the mainframe the performance verification and adjustment software will address only the module in the highest numbered slot If you are testing a TLA7Q4 module for example move it to a higher slot number than all of the other TLA7O4 modules in the mainframe This avoids unnecessary module warm up time m When adjusting merged modules using the same type of individual modules the individual modules must be physically separated m The logic analyzer application must not be running TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 1 Logic Analyzer Module Adjustment Procedures Merged Modules 5 2 m The performance verification and adjustment software must be loaded Refer to S
132. r performing the functional verification procedures for the TLA7Nx TLA7Px and TLA7Qx Logic Analyzer modules functional verification procedures for the adjustment verification fixture begin on page 4 21 These procedures provide an easy way to check the basic functional ity of the LA modules and probes Table 4 2 lists the functional verification procedures available for the logic analyzer modules and probes Table 4 2 Logic Analyzer Module functional verification procedures Adjustment verification Instrument Procedure fixture required Single logic analyzer module Extended diagnostics No Merged logic analyzer module Extended diagnostics No Merge diagnostics No P6417 P6418 and P6434 Signal input check Yes Logic Analyzer probe If any check within this section fails refer to the Troubleshooting section in the Maintenance chapter of this manual for assistance Failed tests indicate the instrument needs to be serviced The functional verification procedure consists of the following parts m Module self tests and power on diagnostics m Single module procedure m Merged module procedure W Probe verification This procedure provides a functional check only If more detailed testing is required perform the Performance Verification Procedure after completing this procedure Perform these tests whenever you need to gain confidence that the instrument is operating properly TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module S
133. rame Tektronix part number 671 3599 XX Tektronix part numbers 119 4855 XX 119 4856 XX 119 4859 XX 119 4857 XX Tektronix TDS 784D Tektronix P6243 or P6245 probe with accesso ries Tektronix P6101B probe with accessories Tektronix P6417 or P6418 Logic Analyzer probes Tektronix P6434 Logic Analyzer probe 8 Frequency counter Frequency range 1 GHz Tektronix DC508 9 Digital multimeter with leads DCV accuracy 0 1 from 10 V to 100 V Tektronix DMM 900 Series 10 Connector dual banana Female BNC to dual banana Tektronix part number 103 0090 XX 11 Voltage reference Accuracy 0 0196 Data Precision 8200 12 Capacitor 0 1 uF 200 V Tektronix part number 283 0189 XX 13 Adapter N to BNC Male type N to female BNC Tektronix part number 103 0045 XX 14 Shorting jumpers Strip of 10 2 wide Tektronix part number 131 5829 XX 15 Cable precision 50 2 coaxial 50 36 in male to male BNC connectors Tektronix part number 012 0482 XX 16 Signal Generator 250 MHz Tektronix 50503 1 The capacitor is installed across the Data Precision 8200 output terminals to reduce noise If your voltage reference produces lt 4 mVp p of noise external noise reduction is not necessary TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 3 Performance Verification Logic Analyzer Module Functional Verification 4 4 This section contains instructions fo
134. required Do tests pass Yes Print Calibration Data Report Create necessary Calibration Certificate Are all certifications Figure 4 1 Calibration certification procedure flow chart complete 4 2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module Test Equipment Table 4 1 Test equipment Item number and description 1 Mainframe 2 Adjustment verification fixture with one of the following Power Supplies USA CAN Europe Japan United Kingdom 3 Oscilloscope 4 DSO probes 5 1X probe 6 Logic analyzer probes 7 High density logic analyzer probe optional The procedures use external traceable signal sources to directly test characteris tics that are designated as checked 7 in the Specifications chapter of this manual Table 4 1 shows the required equipment list the equipment is required for the performance verification procedures and adjustment procedures for the logic analyzer modules and for the adjustment verification fixture Minimum requirements TLA700 Series Mainframe with a logic analyzer module installed 12V 1 5A 12V 1 5A 12V 1 5A 12V 1 5A 1 GHz bandwidth Delay time accuracy 25 ppm over any 1 ms interval Two required with one inch ground leads One required with one inch ground leads Two required One required Example TLA721 Benchtop Mainframe or TLA715 Portable Mainf
135. res The tests in this section comprise an extensive valid confirmation of perfor mance and functionality when the following requirements are met m When multiple LA modules of the same model number are installed in the mainframe the performance verification and adjustment software will address only the module in the highest numbered slot If you are testing a TLA7Q4 module for example move it to a higher slot number than all other TLA7O4 modules in the mainframe This method avoids unnecessary module warm up time m When verifying the performance of merged modules using the same type of individual modules the individual modules must be physically separated before continuing refer to the Tektronix Logic Analyzer Family User Manual for information on merging and unmerging modules m The logic analyzer application must not be running m The performance verification and adjustment software must be loaded Refer to Software Installation and Removal on page 2 2 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Performance Verification Logic Analyzer Module m The LA module must be installed in a mainframe operating for at least 30 minutes and operating at an ambient temperature between 20 C and 30 C m The LA module must have been last adjusted at an ambient temperature between 20 30 m The logic analyzer must be in an operating environment within the limits described in the Specific
136. res TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 6 39 Troubleshooting 6 40 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual SS ae Repackaging Instructions Packaging This section contains the information needed to repackage the logic analyzer module for shipment or storage If at all possible use the original packaging to ship or store the instrument If the original packaging is not available use a corrugated cardboard shipping carton having a test strength of at least 275 pounds 125 kg and with an inside dimension at least six inches 15 25 cm greater than the instrument dimensions Add cushioning material to prevent the instrument from moving around in the shipping container 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 instrument 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 of instrument and serial number m Reason for returning Acomplete description of the service required NOTE When ordering the LPU board for exchange or repair you will need to supply the above information including the firmware level and PowerFlex configuration infor
137. rification Fixture b Set up the Horizontal menu as follows m Time Base Main m Record Length 5000 m Horizontal Scale Main Scale 2 ns div c Setup the Trigger menu as follows m Source CH2 m Coupling DC m Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Measure m Gating On e Set up the Cursor menu as follows m Function V Bars f Set up the Acquire menu as follows Acquisition Mode Average 90 m Repetitive Signal On 4 Connect the CH2 probe of the oscilloscope to J1 pin 2 on the adjustment verification fixture 5 Select Deskew from the Vertical menu of the oscilloscope NOTE Observe proper polarity when doing the following steps See Figure 4 9 on page 4 23 to identify the ground side of the components being measured 6 Connect the probe of the oscilloscope to the custom probe tip adapter and measure the signal across R67 7 Press the Run Stop button to stop the acquisition and read the measurement 8 Use the large knob at the upper right of the panel to adjust delay until the leading edges of the two waveforms coincide and the displayed value of CH1 CH2 delay is averaged around 0 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 35 Performance Verification Ajustment Verification Fixture Verify External Clock Input 4 36 10 11 12 13 Use Parameter tested Equipment req Prerequisite
138. robe connectors are color coded to match the labels on the probes Probe Retainer Mounting Holes The threaded probe retainer mounting holes provide a means of securely holding the probes in place Configuration Label The configuration label indicates the speed and memory depth of the logic analyzer module TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Operating Information Injector ejector handle READY Indicator Probe retainer mounting ACCESSED Indicator holes ARM D Indicator H TRIG D Indicator 1 CJ o e Probe connectors gt oF J Hn OF Configuration label Figure 2 2 Front panel of the logic analyzer module TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Operating Information Merge Cable Connectors 2 6 Rear Panel READY Indicator The READY indicator lights continuously after the logic analyzer module successfully completes the power on process If the indicator fails to light within five seconds of power on an internal module failure may be present ACCESSED Indicator The ACCESSED indicator lights anytime the controller accesses the logic an
139. rol IC and MOSFET drivers for the 5 V to 3 5 V DC to DC converter F1983 24 V Supplies the 24 V to 5 V DC to DC converter This 5 V output powers the acquisition RAM on the Acquisition board F1981 24 V Supplies the 24 V to 5 V DC to DC converter This 5 V output powers the acquisition RAM on the Acquisition board The acquisition board accepts input signals from the probes and converts them to digital information Two 100 pin ribbon cables provide interconnections with the LPU board Clock Circuitry The system clock is derived from the 10 MHz clock from the backplane through a phase locked loop The acquisition run circuitry is integrated with the clock circuitry to support time correlation Probe Interface Acquisition data passes from the probe input circuitry to the probe receivers Each probe receiver receives 16 data signals and one clock qual ifier signal Two threshold voltages are generated for each probe input circuit one for the clock qualifier signal and one for the 16 data signals The threshold output voltages are sent to the probe receiver The threshold adjustment procedure performed by software guarantees the accuracy of the reference voltages provided to the probe receivers to achieve the desired low high logic level detection TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Theory of Operation Acquisition System Acquired data from the probe interface is sent to the data reco
140. roup of data or other logical data information such as time stamps Each row of data represents a different time that the data was acquired newer samples of data display below older samples m Waveform Data Window The Waveform Data window displays acquired data as graphical waveforms All defined channel groups display as busforms for the logic analyzer and as individual analog channels for the DSO module m On Off Buttons These buttons enable or disable the operation of the modules Click the appropriate button to enable or disable the modules Refer to the online help for more information on the individual menus icons and fields within each window You may also want to refer to the Tektronix Logic Analyzer Family User Manual for additional information TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 2 9 Operating Information Merged Modules A merged module set consists of a master module and one or two slave modules connected together by a merge cable connector and by signals on the local bus of the mainframe backplane The local bus sends the system clock of the master module to the slave modules Refer to the Tektronix Logic Analyzer Family User Manual for detailed merging instructions Merging Rules The following LA module merging rules must be followed 2 10 Only modules with 102 channels or more can be merged The modules must be physically adjacent and physically connected Modules of unequal
141. rview of the procedures Adjustment procedures check for and if necessary correct any adjustment errors discovered when performing functional or performance verification procedures The adjustment procedures for the logic analyzer modules are controlled by software while the procedures for the adjustment verification fixture require manual intervention Some of the adjustment procedures for the logic analyzer modules also require manual intervention to move probes or change test equipment settings The performance verification and adjustment software is provided on the product CD ROM If you have not already done so refer to Software Installation and Removal beginning on page 2 2 for instructions on installing the performance verification and adjustment software TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 1 Performance Verification Logic Analyzer Module Determine equipment to certify Go to appropriate procedure s Gather required test equipment Is it OK Use with customer to Tektronix supplied remove reconnect probes probes from System Under Test gt lt Select procedure Configure customer s mainframe and modules as described in procedure Set up test equipment Allow all mainframes modules and equipment to warm up 30 minutes Load PV Adjust software Perform procedure using software Repair or adjust equipment as
142. s Set one of the vertical cursors before the leading edge of the CH 2 pulse and the other cursor after the leading edge of the CH 1 pulse Connect the CH1 probe to R127 Verify the CH1 CH2 delay is averaged around 3 0 ns 100 ps The 1 2 delay represents the setup time at R127 Record the setup time at R127 on the Calibration Data Report Connect the CH1 probe to R321 Verify the CH1 CH2 delay is averaged around 3 0 ns 100 ps The 1 2 delay represents the setup time at R321 Record the setup time at R321 on the Calibration Data Report the following procedure to verify the external clock input External Clock Input Frequency Counter item 8 aid Signal Generator item 16 Shorting Jumpers item 14 Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Set the jumper positions as listed in the table Jumper Jumper name Jumper setting J13 P6434 Deskew probe setup 1 3 and 5 6 connected J15 Clock selection EXT J16 Deskew 1 2 and 4 5 connected J17 Setup hold select SETUP J19 Clock polarity select Disconnected 2 Using the signal generator insert a 225 MHz 1 Vp p signal at J18 EXT CLK IN 3 Using the frequency counter verify that the data is being output at a 112 5 MHz clocked rate at J1 and J2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Calibration Data Report Adjustment Verification Fixture Instrument model number Seria
143. s one or more parameters All of the tests check characteristics that are designated as checked 7 in the Specifications chapter By running a full PV sequence you will verify the performance of the LA Module TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 4 11 Performance Verification Logic Analyzer Module Table 4 3 LA Module performance verification tests Performance verification test name Specification tested 1 FPV DC THRESHOLD Threshold accuracy 2 SETUP Setup time 3 HOLD 0 Hold time 4 FPV MAXSYNC Maximum synchronous clock rate 1 Certifiable parameter Table 4 4 lists the additional characteristics that are designated as checked in the Specifications chapter These characteristics are indirectly tested by the performance verification and adjustment software tests named in the table Table 4 4 LA Module characteristics indirectly checked by the performance verification tests Performance verification test name Specification tested 1 SETUP Minimum recognizable word 2 HOLD Minimum recognizable word 3 Alltests Trigger state sequence rate 4 All tests and Extended Diagnostics Internal sampling period 1 When the setup and hold time tests are both performed the setup and hold window size is indirectly verified When the setup and hold time tests are both performed the channel to channel skew is indirectly verified When al
144. self calibration the logic analyzer module menu selection changes from Running to Calibrated Menu Overview The logic analyzer is controlled by interactive windows through the TLA application The TLA application consists of the following windows m System Window This window provides an overview of the entire logic analyzer Use this window to navigate through the logic analyzer The center of the System window displays icons that represent hardware modules installed in the logic analyzer The icons are linked to the other windows in the logic analyzer m Setup Window A setup window exists for each module in the logic analyzer It contains all of the setup information for the logic analyzer module such as clocking memory depth threshold information and channel information Menus and dialogs contain information to set up the window as needed For the DSO the Setup window contains setup information for each DSO channel such as the input voltage ranges bandwidth coupling and termination It also contains horizontal setup information and a link to the DSO Trigger window m Trigger Window The Trigger window provides access to the logic analyzer module or DSO module trigger setups For either module you can specify various trigger events and trigger actions to help you capture the data that you are interested in m Listing Data Window The Listing Data window displays acquired data as tabular text Each column of data represents one g
145. tests Table 4 5 Adjustment verification fixture performance verification tests Table 4 6 Adjustment verification fixture jumper settings Table 6 1 External inspection check list Table 6 2 Internal inspection checklist eee Table 6 3 Tools required for circuit board replacement Table 6 4 Local Processor Unit board fuses Table 6 5 Acquisition board fuses Table 6 6 Failure symptoms and possible causes Table 6 7 Diagnostic tests Table 6 8 Requirements after replacement Table 6 9 Troubleshooting overview Table 7 1 TLA7N1 TLA7N2 TLA7N3 and TLA7N4 options Table 7 2 TLA7P2 TLA7P4 TLA7Q2 and TLA7Q4 options 1 2 1 2 1 4 1 6 1 6 1 7 1 8 1 8 1 8 1 9 1 9 3 2 4 3 4 12 4 12 4 25 4 28 6 3 6 5 6 22 6 22 6 29 6 36 6 38 6 39 7 1 7 2 vi TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Ossa 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
146. then press OK Confirm Factory Init to return the oscilloscope to default conditions TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Performance Verification Ajustment Verification Fixture R38 adjust v hp oooooooo Oc v Y 00000000 00000000 O J8 Vee 6 J7 v amp e J14 92 Jr e E gt J10 V 55 1 22 Y J15 J16 elf P d oo J3 4 R85 Threshold in gt R67 External J5 Clock in J13 J17 19 GND 2 Denotes ground side of resistor DESKEW Se HOLD O O O SETUP EXT INT 00000 PROBE Ho OO Clock O O GND J17 J19 J15 12345 SETUP Ree Clock 9 9 GND Setup Hold Jumper installed Ext Int J16 6 J4 select clocked on falling edge Clock select DESKEW P6434 Setup Hold Jumper removed Deskew Probe setup Clock out clocked on rising edge Figure 4 9 Adjustment verification fixture detail 5 Set up the
147. time 30 minutes Test equipment connected as shown in Figure 4 5 Diagnostics and SELF CAL pass Voltage reference Dual banana to P ad BNC adapter C2 C3 CK3 Channel Group 7 0 1 uF Capacitor Adjustment verification fixture BNC cable Fixture supply NS J6 7 14 Threshold out P6434 Figure 4 5 FPV DC Threshold test setup 1 If the logic analyzer application is running quit the application Verify that all of the prerequisites listed previously are met for the procedure 2 Run the performance verification and adjustment software as described Using the Software on page 4 13 Run the C Tekcats Tla_la program and then select the correct module type and the PV test option 3 Follow the on screen instructions to run each portion of the test for each parameter of the instrument 4 Verify that all of the tests pass TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 4 17 Performance Verification Logic Analyzer Module LA Module Procedure 2 This procedure verifies the setup time of the LA module Setup 0 SW test name FPV_Setup_0F Equipment re Adjustment verification fixture and fixture supply item 2 quired Prerequisites Warm up time 30 minutes Test equipment connected as shown in Figure 4 6 Diagnostics and SELF CAL pass J5 J4 Adjustment verification
148. tion reference figure and index numbers to the exploded view illustrations that follow Use this part number when ordering replacement parts from Tektronix Column three indicates 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 5 Qty This indicates the quantity of parts used 6 Name amp description 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 7 Mfr code This indicates the code of the actual manufacturer of the part 8 Mfr part number This indicates the actual manufacturer s or vendor s part number Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 Mfr Code to Manufacturer Cross Index 10 2 The table titled Manufacturers Cross Index shows codes names and addresses of manufacturers or vendors of components listed in the parts list TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Mechanical Parts List Manufacturers cross index Mfr code Manufacturer 00779 TYCO ELECTRONICS 05820 EG amp G WAKEFIELD 060D9 TENSOLITE COMPANY 06090 RAYCHEM CORP 06383 PANDUIT CORP 0JR05 TRIQUEST PRECISION PLASTICS 0GV90 GLOBTEK INC 0 01 STAUFFE
149. tion software that adjusts acquisition thresholds internal module signal timing and merged module signal timing Deskew an adjustment routine in the performance verification and adjust ment software which time aligns all channels NOTE Do not mix probe types P6417 P6418 or P6434 when performing the deskew procedure TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 5 Logic Analyzer Module Adjustment Procedures Adjustment Procedures Self Calibration 5 6 Refer to the following procedures to identify the initial setup for each adjust ment Then follow the program instructions to complete the adjustments Self calibration is an internal routine that optimizes performance at the current ambient temperature to maximize measurement accuracy No external equipment or user actions are needed to complete the procedure The LA module saves data generated by the self calibration in nonvolatile memory Passing self cal provides a higher level of confidence of module functionality NOTE Performing the self calibration does not guarantee that all parameters operate within limits Operation within limits is achieved by performing the adjustment procedures Verification of operation within limits is accomplished by performing the performance verification procedures When to Perform the Self Calibration You can run the self calibration at any time during normal operation To maintain measurement accuracy
150. tment Procedures chapters once per year or following repairs that affect adjustment or calibration Strategy for Servicing This manual contains information for corrective maintenance of this product m Supports isolation of faults to the failed circuit board or assembly level shown in the replaceable parts list m Supports removal and replacement of those boards or assemblies m Supports removal and replacement of fuses knobs chassis and other mechanical parts listed in the replaceable parts list This manual does not support component level fault isolation and replacement TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual xv Introduction Service Offerings Warranty Repair Service xvi Calibration and Repair Service Service Options Service Agreements Service On Demand Self Service Tektronix provides service to cover repair under warranty as well as other services that are designed to meet your specific service needs Whether providing warranty repair service or any of the other services listed below Tektronix service technicians are well equipped to service the logic analyzer module Tektronix warrants this product for one year from date of purchase The warranty appears behind the title page in this manual Tektronix technicians provide warranty service at most Tektronix service locations worldwide The Tektronix product catalog lists all service locations worldwide or you can visit us o
151. to adjust the timing Adjustment verification fixture and power supply item 2 Two 1 MQ 10X oscilloscope probe item 4 Warm up time 30 minutes for adjustment verification fixture and test Jumper setting 3 5 connected INT 2 3 and 4 5 connected HOLD Removed Set up the oscilloscope by pressing Setup and then press Factory Setup and then press OK Confirm Factory Init to return the oscilloscope to default 1 Install the following jumpers Jumper Jumper name J13 P6434 Deskew probe setup J15 Clock selection J16 Deskew J17 Setup hold select J19 Clock polarity select 1 conditions 2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Set up the oscilloscope as listed below a Set up the CH1 Vertical menu as follows m Coupling W Fine Scale W Position DC 50 Q 200 mV div 3 32 div b Set up the Horizontal menu as follows m Time Base m Record Length m Horizontal Scale Main 5000 Main Scale 200 ps div 5 17 Adjustment Verification Fixture Adjustment 10 c Set up the Trigger menu as follows Source CH2 m Coupling DC m Slope m Level 700 mV m Mode Normal d Set up the Measure menu as follows m Select Measurement for CH1 Measure m Gating Off e Set up Cursor menu as follows m Function V Bars f Set up the Acquire menu as follows Acquisition Mode Sample m Repetitive Signal On Connect the CH2 probe to J4 and trigger on the rising edge of pulse
152. to complete the procedure The logic analyzer module saves data generated by the self calibration in non volatile memory TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual 2 7 Operating Information 2 8 NOTE Performing the self calibration does not guarantee that all logic analyzer module parameters operate within limits Operation within limits is achieved by performing the Adjustment Procedures Proper operation may be confirmed by performing the performance verification procedures in this same manual When to Perform the Self Calibration You can run the self calibration at any time during normal operation To maintain measurement accuracy perform the self calibration if more than one year has elapsed since the last self calibration You can check the status of the self calibration in the Calibration and Diagnostics property sheet If the logic analyzer module loses power during the self calibration rerun the self calibration following the next power on The self calibration data generated before power was interrupted must be replaced with a complete set of new data For best results always perform the self calibration after at least a 30 minute warm up Running the Self Calibration The logic analyzer module may require several min utes to run the self calibration depending on the number of channels Select Calibration and Diagnostics property sheet from the System menu Select the Self Calibration tab pa
153. ture adjustment procedure do the performance verification procedure that starts on page 4 21 5 22 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual iE Sa CI c2c4 Maintenance This chapter contains the information needed for periodic and corrective maintenance of the TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Modules The following sections are included m The Maintenance section provides general information on preventing damage to internal circuit boards when doing maintenance procedures for inspecting the logic analyzer module and cleaning external and internal circuit boards m The Removal and Installation Procedures page 6 5 provide procedures for removing and installing circuit boards m Troubleshooting page 6 27 provides information for isolating faulty circuit boards and probes m Repackaging Instructions page 6 41 provides packaging information for shipment or storage Related Maintenance Procedures The TLA7UP Mainframe Field Upgrade Instruction Manual contains some maintenance procedures not included in this manual Refer to the TLA7UP Mainframe Field Upgrade Instruction Manual for information on upgrading the mainframe software or module firmware Preventing Electrostatic Discharge When performing any service that requires internal access to the logic analyzer module adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD
154. uld perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock disconnect the main power by means of the power cord or if provided the power switch Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power remove battery Gif applicable and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual ix Service Safety Summary x TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual SS CUN lt Preface This is the service manual for the TLA7Nx 7Px 7Qx Logic Analyzer Module Read this preface to learn how this manual is structured what conventions it uses and where you can find other information related to servicing this product Read the Introduction which follows this preface for important background information needed before using this manual for servicing this product Manual Structure The Logic Analyzer Module TLA7Nx 7Px 7Qx Service Manual is divided into chapters which are made up of related subordinate topi
155. ule as often as operating conditions require Collection of dirt on internal components can cause them to overheat and breakdown Dirt acts as an insulating blanket preventing efficient heat dissipation Dirt also provides an electrical conduction path that can cause failures especially under high humidity conditions CAUTION Avoid using chemical cleaning agents that might damage the plastics and external labels used in the logic analyzer module Use a cloth dampened with water to clean external surfaces To prevent damage to electrical components from moisture during external cleaning use only enough liquid to dampen the cloth or applicator Use a 75 isopropyl alcohol solution to clean internal surfaces and rinse with deionized water Before using any other type of cleaner consult your Tektronix Service Center or representative Inspect the outside of the module for damage wear and missing parts Use Table 6 1 as a guide Instruments that appear to have been dropped or otherwise abused should be checked thoroughly to verify correct operation and perform ance TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Maintenance Immediately repair defects that can cause personal injury or lead to further damage to the logic analyzer module or mainframe where it is used If you replace any electrical circuit board refer to Table 6 8 on page 6 38 to determine which procedures you must perform to ensure proper oper
156. und 0 25 ps 8 Move the CH1 probe to R321 R67 and R39 and press the Run Stop button to start an acquisition Verify that the CH1 CH2 delay between any two measurements does not exceed 90 ps 9 The maximum difference between the three measured values represents the channel to channel skew Record this difference on the Calibration Data Report TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 4 31 Performance Verification Ajustment Verification Fixture Verify Hold Clock Output Use the following procedure to verify the hold time Timing Parameter tested Hold time Equipment Oscilloscope item 3 reared 2 DSO probes item 4 Custom probe tip adapter see Figure 4 10 page 4 26 Prerequisites Warm up time 30 minutes adjustment verification fixture and test equipment 1 Set the jumper positions as listed in the table Jumper Jumper name Jumper setting J13 6434 setup 1 3 and 5 6 connected J15 Clock selection INT J16 Deskew 1 2 and 4 5 connected Seuphodseet Clock polarity select f Disconnected 2 Set up the oscilloscope by pressing Setup Factory Setup and then OK 4 32 Confirm Factory Init to return the oscilloscope to default conditions Set up the oscilloscope as listed below a Set up the CH1 Vertical menu as follows Coupling DC 50 9 m Fine Scale 200 mV div W Position 3 00 div CH1 W Position 3 32 div CH2 b Set u
157. us also routes data between the main processor system and the acquisition board The processor system includes the instrument firmware To facilitate upgrades the firmware resides in Flash ROM Communications Interface The communications interface transfers commands and data between the mainframe and the slot 0 controller Signals pass between the instrument and the mainframe through the rear connectors TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 3 1 Theory of Operation 3 2 Acquisition Board Power Supplies The Power Supplies receive 5 V 5 2 V 12 V and 24 V from the mainframe through the rear connectors to power the logic analyzer module Fuses protect the mainframe from over current conditions Voltage converters produce additional 5 V and 3 5 V supplies for use on the Acquisi tion board The power connections to the Acquisition board are made through one of the 100 pin ribbon cables and from the backplane Local Processor Unit Board Fuses Table 3 1 lists the fuses on the Local Processor Unit board and briefly describes their function Table 3 1 Local Processor Unit board fuses Fuse Voltage Purpose F1780 5 Supplies the 5 V to 3 5 DC converter The converter powers the 3 V PALS and the 3 V ASICs on the Acquisition board The converter also enables the 24 V to 5 V DC to DC converter F1881 5 Supplies the microprocessor and the supporting circuitry F1681 12 V Supplies the Cont
158. xture Most of the adjustments consist of moving jumpers or wires that change the delays at specific locations on the board Once these jumpers have been set soldered you should rarely have to change them Each procedure includes a table that calls out the equipment used Use Table 4 1 on page 4 3 to identify required equipment specifications If you substitute equipment always choose instruments that meet or exceed the minimum requirements specified Adjustment Verification Fixture Adjustment Equipment Required Prerequisites Adjustment verification fixture and power supply item 2 Oscilloscope item 3 Two 1 MQ 10X oscilloscope probe item 4 Frequency counter item 8 Signal generator item 16 1X Probe item 5 DMM with test leads item 9 Shorting jumpers item 14 Warm up time 30 minutes for adjustment verification fixture and test equipment 1 Warm up the adjustment verification fixture and all test equipment a Connect the external power supply to fixture and perform the power supply checks and other functional steps while allowing the fixture to warm up for 20 minutes b Turn on the oscilloscope signal generator and frequency counter Allow them to warm up for 20 minutes TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 5 11 Adjustment Verification Fixture Adjustment Power Supply Checks following procedure checks the DC power supply Refer to Figure 5 3 for test point
159. y Probe Daughter Board Probe TLA7N3 TLA7N4 TLA7P4 TLA7Q4 only Backplane Interface Comparator Daughter Board Probe P2 Probe TLA7N4 TLA7P4 and TLA7Q4 only 100 100 Local Processor Unit Board Communications m Interface 68360 based Power microprocessor supplies system Acquisition Board Interface Figure 9 2 Block diagram 9 2 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual INERENTI GENE Mechanical Parts List This section contains a list of the replaceable parts for the TLA7Nx TLA7Px and the TLA7Ox logic analyzer modules Use this list to identify and order replacement parts Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements Therefore when ordering parts it is important to include the following information in your order W Part number m Instrument type or model number m Instrument serial number m Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number When you exchange some circuit boards such as the local procession unit LPU
160. y calibration performed during 3 years of coverage requires Option C3 Three years repair coverage Option R3 Extends product repair warranty to a total of three years 1 Availability of installation and on site services depends on the type of product and may vary by geography Tektronix Service Options are available at the time you order your instrument Contact your local Tektronix Sales Office for more information 7 2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual SSS j Electrical Parts List Refer to the Mechanical Parts List section for a complete listing and description of replaceable parts TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 8 1 Electrical Parts List 8 2 TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual Senn CINE SS Diagrams Interconnection Block Diagram This chapter contains the block diagram and the interconnection diagram for the logic analyzer module Local Processor Unit Board LPU Acquisition Board Daughter Board J1480 TLA7NS TLA7N4 TLA7P4 TLA7Q4 Daughter Board J1480 TLA7N4 7 and TLA7Q4 only W300 50 W350 Figure 9 1 Interconnections TLA7Nx TLA7Px amp TLA7Qx Logic Analyzer Module Service Manual 9 1 Diagrams Acquisition Board Probe Probe Board Probe Interface Acquisition Interface system Probe Probe Acquisition Comparator Memor
161. y can be enabled to store glitch violation information with each data sample when asynchronous clocking is used The probe data storage size is reduced by one half the other half holds the violation information The fastest asynchronous clocking rate is reduced to 10 ns 1 Each use of a glitch detector setup and hold violation detector or transition detector requires a trade off of one word recognizer resource 2 Any glitch is subject to pulse width variation of up to the channel to channel skew specification 0 5 ns 3 For TLA7N1 TLA7N2 TLA7N3 7 4 TLA7P2 TLA7P4 TLA7Q2 and TLA7Q4 Logic Analyzer modules any setup value is subject to variation of up to 1 8 ns any hold value is subject to variation of up to 1 2 ns 4 This mode can be used to create transitional storage selections where all channels are enabled Table 1 4 LA module MagniVu feature Characteristic Description MagniVu memory depth 2016 samples per channel MagniVu sampling period Data is asynchronously sampled and stored every 500 ps in a separate high resolution memory Table 1 5 LA module data handling Characteristic Description Nonvolatile memory retention time Battery is integral to the NVRAM Battery life is gt 10 years Typical 1 6 TLA7Nx TLA7Px amp TLA7Ox Logic Analyzer Module Service Manual Specifications Table 1 6 LA module input parameters with probes Characteristic Threshold Accuracy
162. zer Module Service Manual Tektronix part number 131 3520 XX 131 6576 XX 260 2597 XX 131 3766 XX 159 5014 XX 159 5008 XX 159 5018 XX 131 3692 XX 159 0145 XX 159 5015 XX 159 5009 XX 119 5879 XX 131 6069 XX 163 1122 XX 150 1278 XX 150 1279 XX 386 1657 Serial no effective Serial no discont d Qty Name amp description CONN HDR TLA7N1 7N3 7N4 7P2 7P4 7Q2 7Q4 PCB MALE STR 2 X 5 0 1 CTR CONN RIBBON PCB MALE STR 80 POS 0 05 CTR 0 391 H X 0 106 TAIL 30 GOLD BRD LOCKS SWITCH ROTARY HEXADECIMAL 100MA AT 50VDC RIGHT ANGLE 0 430 W X 0 400 H X 0 202 L CONN HDR PCB MALE RTANG 1 X 2 0 1 CTR TLA7N1 7N2 FUSE 2 0A 125V FAST BLOW 0 1 X 0 1 X 0 24 UL REG CSA CERT FUSE THRM CHIP SELF RESETTING FUSE 1 5A HOLD 3 0A TRIP AT 20 DEG C 30V MAX SMD150 TLA7N1 7N2 FUSE 3 0A 125V FAST BLOW 0 1 X 0 1 X 0 24 UL REG CSA CERT T amp R RETENTION HIGH TEMP 94V 0 SAFETY CONTROLLED FUSE WIRE LEAD 15A 32V 10 SECONDS TLA7N1 7N2 FUSE SMD 10 0A 125V FAST BLOW 0 1 X 0 1 X 0 24 UL REG CSA CERT FUSE SMD 1 5A 125V FAST BLOW POWER SUPPLY 99W DC DC 36 75V IN 3 3V 30A OUT 80 EFF JW150F1 ECB MOUNT MODULE CONN RIBBON PCB MALE RTANG 100 POS 0 05 CTR TLA7N1 7N2 IC DIGITAL PRGM 156 6512 00 CMOS PLD EEPLD 22V10 7 5NS 140MA 22V10 7 PLCC28 1 TUBE DIODE OPTO LED GRN 569NM 2MCD 5V DIODE OPTO LED YEL 585NM 2MCD AT 5V SUPPORT CKT BD ACETY RESIN NATURAL Mfr code 53387 00779 81073 00779 75915

Tektronix Logic Analyzer Module (TLA7Nx, LTA7Px, & TLA7Qx

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Tektronix Logic Analyzer Module (TLA7Nx, LTA7Px, &amp; TLA7Qx

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Tektronix Logic Analyzer Module (TLA7Nx, LTA7Px, & TLA7Qx