Tektronix TLA7PG2 Service Manual
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Tektronix TLA7PG2 Service Manual

Pattern generator and probes
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Summary of Contents for Tektronix TLA7PG2

  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2 Service Manual TLA7PG2 Pattern Generator and Probes 071-0714-01 This document applies to firmware version 1.00 and above. Warning The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so.
  • Page 3 Copyright © Tektronix, Inc. All rights reserved. Licensed software products are owned by Tektronix or its suppliers and are protected by United States copyright laws and international treaty provisions. Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013, or subparagraphs (c)(1) and (2) of the...
  • Page 4 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.
  • Page 6 4- -13 TLA7PG2 Functional Verification Procedures ......4- - 14 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 7 ........10- - 2 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 8: Table Of Contents

    ........4- -30 Figure 4- -12: TLA7PG2 Inhibit function (by data) connections using a P6470, P6473, or P6474 probe .
  • Page 9 ......... 4- -93 Figure 4- -43: Inhibit function connections ..... 4- -94 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 10 6- -26 Figure 6- -18: Flash programming pins ......6- -31 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 11 Table of Contents Figure 9- -1: Function block diagram for the TLA7PG2 Pattern Generator .........
  • Page 12 ....6- -6 Table 6- -2: P6470 series termination resistors ....6- -14 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 13 7- -2 Table 7- -3: Probe standard accessories ......7- -3 viii TLA7PG2 Pattern Generator Module Service Manual...
  • Page 14 Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. TLA7PG2 Pattern Generator Module Service Manual...
  • Page 15 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: Protective Ground CAUTION (Earth) Terminal Refer to Manual TLA7PG2 Pattern Generator Module Service Manual...
  • Page 16 Use Care When Servicing With Power On. Dangerous voltages or currents may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. To avoid electric shock, do not touch exposed connections. TLA7PG2 Pattern Generator Module Service Manual...
  • Page 17 Service Safety Summary TLA7PG2 Pattern Generator Module Service Manual...
  • Page 18 Preface This is the service manual for the TLA7PG2 Pattern Generator. The manual contains information needed to service the pattern generator to the module level. Manual Structure The following lists contains a brief description of each manual section. H The Specifications contains a description and a list of the characteristics of the pattern generator and pattern generator probes.
  • Page 19 Other documentation for the TLA7PG2 Pattern Generator include: H The Tektronix Logic Analyzer Family User Manual contains specifications and information on how to use the TLA7PG2 Pattern Generator. H A series of probe manuals that provide information for using the probes the the TLA7PG2 Pattern Generator.
  • Page 20 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. TLA7PG2 Pattern Generator Module Service Manual...
  • Page 21 Preface TLA7PG2 Pattern Generator Module Service Manual...
  • Page 22 Introduction This manual contains information needed to service the TLA7PG2 Pattern Generator, as well as general information critical to safe and effective servicing. To prevent personal injury or damage to the pattern generator, consider the following before attempting service: H The procedures in this manual should be performed only by a qualified service person.
  • Page 23 Generator as well as the latest new options. Warranty Repair Service Tektronix warrants this product for one year from the date of purchase. (The warranty is listed in the front of this manual.) Tektronix technicians provide warranty service at most Tektronix service locations worldwide. The Tektronix product catalog lists all service locations worldwide.
  • Page 24 You can put circuits in a desired state and operate the pattern generator at full speed or single step it through a series of states. The TLA7PG2 Pattern Generator can also generate infrequently encountered test conditions to test a hardware design or software program for robustness.

  • Page 25: Table 1- 1: Pg Module Electrical Characteristics, Operational Mode

    The performance limits in this specification are valid with these conditions: H The modules must be installed in a Tektronix Logic Analyzer Mainframe. H The module must have had at least a 30 minute warm-up period. Table 1- 1: PG module electrical characteristics, operational mode...

  • Page 26: Table 1- 3: Pg Module, Internal Clock

    1 kΩ terminated to GND Sensitivity 500 mV Table 1- 5: PG module, event processing Characteristic Description Event Action Advance, Jump and Inhibit Number of Event Inputs 8 External Event Inputs (2 per each probe) 1- 3 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 27: Table 1- 6: Pg Module, Intermodule Interactions

    Table 1- 8: PG module, mechanical Characteristic Description Slot width Requires 2 mainframe slots Weight 2.5 kg (5 lbs 4 oz) (Typical) Overall dimensions (excluding connectors) Height 10.32 in (262 mm) Width 2.39 in (61 mm) 1- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 28 Specifications Table 1- 8: PG module, mechanical (Cont.) Characteristic Description Depth 14.7 in (373 mm) Mainframe interlock 1.4 ECI keying is implemented 1- 5 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 29: Table 1- 9: P6470 Ttl/Cmos Probe

    The performance limits in this specification are valid with these conditions: H The probes must be installed in a TLA7PG2 Pattern Generator. H The probes must have had at least a 30 minute warm-up period. Table 1- 9: P6470 TTL/CMOS probe...
  • Page 30 Half channel mode: 2 clocks + 240 ns (event-filter: off) Typical External Event Input and Inhibit Input Input Type 74LVC14A, Positive True, 1 kΩ to GND Minimum Pulse Width 200 ns (event filter: off) 1- 7 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 31 8 in Half Channel Mode Number of Clock Outputs Number of Strobe Outputs (Only one Clock Output or Strobe Output can be enabled at one time per probe) Number of External Event Inputs 1- 8 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 32: Table 1- 10: P6471 Ecl Probe

    +780 ps (Td2 in Figure 1- - 1 on page 1- - 25) Typical External Clock Input to Clock Output Delay 50 ns (Td1 in Figure 1- - 1 on page 1- - 25) Typical 1- 9 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 33 Number of Strobe Outputs (Only one Clock Output or one Strobe Output can be enabled at one time per probe) Number of External Event Inputs Clock Output Polarity Positive Strobe Type RZ only 1- 10 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 34: Table 1- 11: P6472 Pecl/Lvpecl Probe

    External Clock is used.) External Event Input Input Level PECL, LVPECL (selectable by moving a jumper in the probe) Input Type 100EL91, unterminated Minimum Pulse Width (event filter: off) 150 ns 1- 11 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 35: Table 1- 12: P6473 Lvds Probe

    Load: 100 Ω + < 1 pF Characteristic Description Maximum Clock Frequency Full Channel Mode Half Channel Mode 134 MHz 268 MHz Number of Data Outputs 16 Full Channel 8 Half Channel 1- 12 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 36 170 ns to 270 ns + 1.5 to 2.5 CLK2 (Td12 in Figure 1- - 7 on page 1- - 27) Advance (CLK2 is from 2.5 ns to 5 ns when Internal Clock is used. It is the same as one clock period when the External Clock is used.) 1- 13 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 37 26 ns - - 3 CLK (Full Channel Mode) Using signal 3 or 4 35 ns - - 5 CLK (Half Channel Mode) 35 ns - - 3 CLK (Full Channel Mode) 1- 14 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 38: Table 1- 13: P6474 Lvcmos Probe

    1.84 ns (Td2 in Figure 1- - 1 on page 1- - 25) External Clock Input to Clock Output Delay 55 ns (See Td1 in Figure 1- - 1 on page 1- - 25) 1- 15 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 39 Full Channel Mode: 180 ns before the rising edge of the 3rd clock output pulse from the last of the previous block (See Td11 in Figure 1- - 6 on page 1- - 27) 1- 16 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 40 25 ns - - 3 CLK (Full Channel Mode) Using signal 3 or 4 34 ns - - 5 CLK (Half Channel Mode) 34 ns - - 3 CLK (Full Channel Mode) 1- 17 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 41 CH0 to CH5: Common CH6, CH7, CLK: Independent ± 3% of value ± 0.1 V Accuracy Output Current Sink <- - 30 mA Source <+30 mA Supported Channel Mode Half and Full 1- 18 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 42 20 % to 80 % at maximum slew rate, Fall 640 ps load: 1 M Ω + < 10 pF Rise/Fall Time Rise 430 ps 20 % to 80 % at maximum slew rate, Fall 510 ps load: 50 Ω 1- 19 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 43 Positive True 1 k Ω to GND Impedance Threshold: Level - - 2.5 V to +2.5 V Event and Inhibit are independent Resolution 20 mV Minimum Pulse Width 150 ns (event filter: off) 1- 20 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 44 Full Channel Mode: 180 ns before the rising edge of the 3rd clock output pulse from the last of the previous block (See Td11 in Figure 1- - 6 on page 1- - 27) 1- 21 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 45 19 ns - - 3 CLK (Full Channel Mode) Using signal 3 or 4 28 ns - - 5 CLK (Half Channel Mode) 28 ns - - 3 CLK (Full Channel Mode) 1- 22 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 46: Table 1- 15: Power Supply (P6475 Only)

    Table 1- 17: Dynamics characteristics (P6470, P6471, P6472, P6473, and P6474) Characteristic Description Vibration Operating: 3.038 m/s (0.31 G , 5 Hz to 500 Hz rms) Nonoperating: 24.108 m/s (2.46 G ), 5 Hz to 500 Hz 1- 23 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 47: Table 1- -17: Dynamics Characteristics (P6470, P6471, P6472, P6473, And P6474)

    Description Dimensions Length 1.5 m (5 ft) Standard probe cable Length 3.3 m (10.83 ft) Time alignment cable Table 1- 20: Twisted lead set Characteristic Description Dimensions Length 25.4 cm (10 in) 1- 24 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 48: Figure 1- 1: Clock And Strobe Timing Diagram

    (strobe delay = zero) Figure 1- 1: Clock and strobe timing diagram Inhibit Input or Probe D data Output Data Output Figure 1- 2: P6470, P6472, P6473, and P6474 inhibit timing diagram 1- 25 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 49: Figure 1- 3: P6470, P6472, P6473, And P6474 External Event For Inhibit Timing Diagram

    Figure 1- 4: External event for jump timing diagram Event Input Td10 Clock Output End of previous block Block Output after the event Figure 1- 5: External event for half channel advance timing diagram 1- 26 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 50: Figure 1- 6: External Event For Full Channel Advance Timing Diagram

    , 5 to 500 Hz Nonoperating: 2.46 G , 5 Hz to 500 Hz Shock Nonoperating: 294 m/s (30G), half-sine, 11 ms duration, 3 shocks per axis in each direction (18 shocks total) 1- 27 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 51: Table 1- 23: Certifications And Compliances

    To ensure compliance with EMC requirements, only high quality shielded cables having a reliable, continuous outer shield (braid & foil) with full coverage, low impedance connections to shielded connector housings at both ends should be connected to this product. 1- 28 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 52 If your instrument already has PV/Adjust software loaded on it, you must verify Version 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 instrument is an earlier version, you must delete the earlier version before you can load the newer version.
  • Page 53 Applying and Interrupting Power Consider the following when you power on or power off the TLA7PG2 Pattern Generator: CAUTION. To prevent damage to the pattern generator module or probe, do not connect or disconnect the pattern generator cables to or from the pattern generator module or probe while the logic analyzer is on.
  • Page 54 Box. These diagnostics only run at power on so there are no controls to execute them. Power-Off Cycle Wait for the TLA7PG2 to finish the operation when saving data files. Improper power off or unexpected loss of power to the pattern generator can result in the corruption of data stored in nonvolatile memory.
  • Page 55 Tektronix service representative if problems persist. Fail Count. The Fail Count column shows the number of times a test has failed since the Run button on this page was clicked. This count is mainly used when 2- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 56 SETUP and PROGRAM functions. The main menu toolbar provides functions for manipulating the basic instrument settings. Refer to the Tektronix Logic Analyzer Family User Manual or the TLA7PG2 Pattern Generator online help for more information concerning these menus.
  • Page 57 Windows help system. Access Windows help as you would with any Windows application. Setups The following steps provide information on using the TLA7PG2 application. Setting Up the Pattern Follow the steps below to set up the module program: Generator 1.
  • Page 58 2. Install the pattern generator module in the mainframe. 3. Connect the probe to the pattern generator module. The probe cable is reversible so that you can connect the cable in either direction. 2- 7 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 59: P6475

    1. Power on the DUT 2. Power on the P6475 (power switch on rear of probe) 3. Power on the TLA 1. Power off the TLA 2. Power off the P6475 3. Power off the TLA 2- 8 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 60 File, the application will save the current system onto the associated file and then continue with the load operation. NOTE. The default file name extension for the pattern generator system files will be <filename>.tpg. 2- 9 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 61 Export The pattern generator will export block data to: H TLA text files (*.txt) H Synapticad Spreadsheet files (*.txt) Import The pattern generator will import block data from: 2- 10 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 62 You can open multiple pattern editing windows to allow selected data to be easily moved from one block to another using copy/paste. The Listing window allows the vector data to be edited by block, in numeric format. 2- 11 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 63 You can select multiple rows by clicking on the first column using mouse and then dragging the selection. Please note that, if you don’t click on the first column and then copy the selection, only one cell will be copied. 2- 12 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 64 Slot 0 controller. Clock circuit. The Direct Digital Synthesizer (DDS) uses a 10 MHz Clock signal from the VXI Bus as the reference signal for the phase lock loop (PLL) circuit. 3- 1 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 65 The Silver circuit has the capability of changing the dividing ratio of the Pattern RAM. A second Pattern RAM is reserved for storing the control data. This controls the dividing ratio of the divider. 3- 2 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 66 Clock and VXI I/F board also supply power to these power supplies through the power connector that compensates in case of a shortage of power from a single slot of the VXI bus. 3- 3 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 67 Event Input. The Event Input circuit routes the external event input signal from the probe output connector to the A50 PG board. Sensor. The Sensor circuit senses the inner temperature of the probe to detect overheating and then reports the findings to the CPU. 3- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 68 Event Input. The Event Input circuit routes the external event input signal from the probe output connector to the A50 PG board. Sensor. The Sensor circuit senses the inner temperature of the probe to detect overheating and then reports the findings to the CPU. 3- 5 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 69 Theory of Operation 3- 6 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 70 Performance Verification This chapter contains procedures for performing the functional verification procedures and performance verification procedures for the TLA7PG2 Pattern Generator module and the pattern generator probes. You should perform the performance verification procedures once per year or following repairs that affect certification.

  • Page 71: Table 4- 1: Pattern Generator Module Verification Procedures

    Specifications section of this manual. Table 4- -1 lists the various probes available for use with the TLA7PG2 Pattern Generator, the verifications tests, the setup file names and Termination board requirements. A check mark in the probe column means that you can use that particular probe to send signals to the Termination board.
  • Page 72 (by event using Sig- nal1 Output and Signal1 Input) √ √ √ √ √ Inhibit func- TP13INH.TPG tion (by external inhibit input) √ √ P6475 Data TP19V.TPG format and CH6 output mode test 4- 3 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 73 √ TP17PV1.TPG Frequency (probe C) √ √ √ √ √ √ TLA7PG2 TP18PV0.TPG Maximum Operating Operating √ √ √ √ TP18PV1.TPG Frequency (probe D) √ √ P6475 TP19V.TPG Delay Accu- racy Check 4- 4 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 74: Table 4- 2: Test Equipment

    Tektronix TDS7104 ppm over any ≥ 1 ms interval 3. DSO probes (not used with P6475) Three required, with < one-inch ground Tektronix P6243 or P6245 probe, with std. leads accessories 4. Termination board (not used with P6475) Two required Tektronix part number: 067-A018-00 5.
  • Page 75 25 - 40 ns 25 ns 23.45 ns 26.55 ns 40 ns 38.00 ns 42.00 ns 35 - 50 ns 35 ns 33.15 ns 36.85 ns 50 ns 47.70 ns 52.30 ns 4- 6 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 76 Connect four sets of the same probe to the pattern generator module. 4. Power on the mainframe and test equipment and allow a 30-minute warm up before continuing with any procedures in this section. 4- 7 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 77: Table 4- 3: Front Panel Indicators

    2. Select Load Module from the File menu; the Load Module dialog box appears. 3. Click the Browse button and navigate to the C:\Program Files\Tektronix Pattern Generator\PV folder. 4. Double-click on the file name; the Load Module dialog box reappears with the file name and module name under the Module list.
  • Page 78 Pass or Fail status depending on the outcome of the tests. 4. Scroll through the test results and verify all tests pass. If any tests fail, refer to Table 4- -4 to identify the fault. 4- 9 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 79: Table 4- 4: Extended Diagnostic Test Items And Faulty Component

    3. Rerun mainframe or module diagnostics. 4. Run the tests a second time to verify the failure. 5. If tests continue to fail, refer to Troubleshooting in the Maintenance section of this manual for corrective action or contact your local Tektronix represen- tative. 4- 10...
  • Page 80 1. Connect the +5, V output of the power supply to J365 on the Termination board. 2. Connect the power supply ground to J350 on the Termination board. 4- 11 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 81 (GND) J210 2 J110 D0 through D15, STB, CLK D0 through D15, STB, CLK J100 J150 J200 P6471 ECL P6473 LVDS P6470 TTL/CMOS P6472 PECL/LVPECL P6474 LVCMOS Figure 4- 1: Termination Board 4- 12 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 82 30 minutes, and operating at an ambient temperature between +20_ C and +30_ C. H The instrument must be in an operating environment within the limits described in the Specifications section of the Tektronix Logic Analyzer Family User Manual. 4- 13...
  • Page 83 Performance Verification TLA7PG2 Functional Verification Procedures The following procedures verifies that the TLA7PG2 module is operating correctly. TLA7PG2 External Clock The External Clock Input test confirms the external clock input operation of the Input Test pattern generator module. Setup files TP2EXCLK.TPG, TP3EXCLK.TPG, TP4EXCLK.TPG...

  • Page 84: Figure 4- -1: Termination Board

    J160, or J210 Probe To pattern generator EXT CLK IN From pattern generator probe A connector Figure 4- 2: External Clock Input connections using a P6470, P6471, P6472, P6473, or P6474 4- 15 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 85: Figure 4- 3: External Clock Input Connections Using A P6475

    P6471, P6472, P6475 500 mV/div Vertical axis (CH2): P6470, P6473, P6474 2 V/div P6471, P6472, P6475 500 mV/div Vertical position (CH1): P6470, P6473, P6474, P6475 - - 2.00 div P6471, P6472 1.00 div 4- 16 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 86 (50 Ω termination) Amplitude 500 mV (50 Ω termination) Offset Frequency 1 MHz Half, Normal. Use the TP2EXCLK.TPG module setup file. 5. Load the TP2EXCLK.TPG module setup file. 6. Start the pattern generator. 4- 17 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 87 CPS250 Power supply (item 6) (not used with P6475) BNC to SMB cable (item 9) Prerequisites Connected pattern generator probe Connect the test equipment as shown in Figure 4- - 16 Diagnostics pass 4- 18 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 88: Figure 4- -4: Internal Clock Frequency Connections Using

    To CLK pin on Probe TLA7PG2 probe P6245 Probe Termination board J110, J160, J210 From pattern generator probe A connector Figure 4- 4: Internal Clock Frequency connections using a P6470, P6471, P6472, P6473, or P6474 4- 19 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 89: Figure 4- -5: Internal Clock Frequency Connection Using

    Performance Verification Probe A connector from TLA7PG2 P6475 Variable Probe TDS7104 BNC to SMB Figure 4- 5: Internal Clock Frequency connection using a P6475 4- 20 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 90 Trigger slope:: Rise Trigger level: P6470 P6471 - - 1.3 V P6472 PECL mode 3.7 V P6472 LVPECL mode P6473 1.65 V P6474 1.65 V P6475 0.5 V Trigger coupling: Trigger position: 4- 21 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 91 15. Start the pattern generator. 16. Set the oscilloscope Horizontal axis setting to 200 ms/div. 17. Verify that the frequency of the pattern generator output signal is about 1 Hz. 18. Stop the pattern generator. 4- 22 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 92 Pattern generator modules merged, module under test in the higher-numbered slot Connected pattern generator probe Test equipment connected as shown in Figure 4- - 6 for standard probes or Figure 4- - 7 for variable probe. Diagnostics pass 4- 23 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 93: Figure 4- -6: Merge Operation Connections Using P6470

    D0 J110, J160, or J210 TLA7PG2 Use the correct Probe connector for the TLA7PG2 probe From TLA7PG2 (Master) probe D connector Figure 4- 6: Merge operation connections using P6470, P6471, P6472, P6473, or P6474 probes 4- 24 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 94: Figure 4- 7: Merge Operation Connections Using P6475 Probe

    3. Set the oscilloscope controls as follows: Displayed channel: CH1, CH2 Vertical axis (CH1, CH2): P6470, P6473, P6474 5 V/div P6471, P6472, P6475 1 V/div Vertical position (CH1): P6470, P6473, P6474, P6475 2.50 div P6471, P6472 4.00 div 4- 25 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 95 Trigger slope: Rise Trigger source: Trigger level: P6472 PECL mode 3.7 V P6470, P6472 LVPECL mode P6471 - - 1.3 V P6473, P6474 1.65 V P6475 0.5 V Trigger coupling: Trigger position: 4- 26 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 96: Figure 4- -8: Merged And Unmerged Modules In The Merge Modules Window

    7. For P6473 and P6475: a. Open the Program window and select the Event tab. b. Change the event definition of EVENT1, EVENT2, EVENT3, and EVENT4 from 000000011 to 000000001. 8. Start the pattern generator. 4- 27 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 97: P6471, P6472, P6473, Or P6474 Probes

    Pattern generator modules merged, module under test in the higher-numbered slot Connected pattern generator probe Test equipment connected as shown in Figure 4- - 10 or Figure 4- - 11 Diagnostics pass 4- 28 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 98: Figure 4- 10: Tla7Pg2 Deskew Function Connections Using A P6470, P6471, P6472. P6473, Or P6474

    J210 TLA7PG2 probe Use the correct connector for the TLA7PG2 probe From TLA7PG2 (Master) probe A connector Figure 4- 10: TLA7PG2 Deskew function connections using a P6470, P6471, P6472. P6473, or P6474 4- 29 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 99: Figure 4- 11: Tla7Pg2 Deskew Function Connections Using A P6475 Probe

    CLOCK BNC to SMB cables Figure 4- 11: TLA7PG2 Deskew function connections using a P6475 probe 1. Connect all equipment as shown in Figure 4- -10 or Figure 4- -11. 2. Set up the oscilloscope by pressing Setup, Factory, and then OK Confirm Factory Init to return the oscilloscope to the default condition.
  • Page 100 Merge Modules window. 12. Set the deskew value of the Slave1 module to - -1.5 ns. 13. Click OK to save the changes and to close the window. 14. Start the pattern generator. 4- 31 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 101 CPS250 Power supply (item 6) Pattern generator modules not merged Prerequisites Connected pattern generator probe Test equipment connected as shown in Figure 4- - 12 or Figure 4- - 13 Diagnostics pass 4- 32 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 102: Figure 4- 12: Tla7Pg2 Inhibit Function (By Data) Connections Using A P6470, P6473, Or P6474 Probe

    Termination board J110, J160, or J210 From TLA7PG2 probe A connector Figure 4- 12: TLA7PG2 Inhibit function (by data) connections using a P6470, P6473, or P6474 probe TDS7104 P6475 Variable Probe BNC to SMB cable Figure 4- 13: TLA7PG2 Inhibit function (by data) connections using a P6475 probe...
  • Page 103 Click the Merge button between the merged modules to unmerge the two modules. c. Click the OK button. 5. Connect Probe A to the termination Board. 6. Load the TP14INH.TPG module setup file. 4- 34 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 104 8. Verify that the output signal on CH1 has a 500 Hz clock pattern. 9. Repeat step 6 for Probe B, Probe C, and Probe D. 10. Stop the pattern generator. This completes the functional verification for the TLA7PG2. TLA7PG2 Inhibit This check confirms the Inhibit function (by event) for the pattern generator Function (by Event) Test module.
  • Page 105 To D0 on Termination TLA7PG2 probe board J110, J160, or J210 Pattern generator probe From TLA7PG2 probe A connector Figure 4- 14: Inhibit function (by Event) connections using a P6470, P6473, or P6474 4- 36 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 106 Performance Verification Probe A connector from TLA7PG2 P6475 Variable Probe TDS7104 BNC to SMB Figure 4- 15: Inhibit function (by Event) connections using a P6475 4- 37 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 107 Select System Configuration from the System menu in the pattern generator application. b. Click the Merge button between the merged modules to unmerge the two modules. c. Click the OK button. 5. Load the TP12INH.TPG module setup file. 4- 38 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 108 The Sequence and Data Output test confirms that the pattern generator sends the Data Output Test proper sequences and data to the probes. This check also verifies the probe operation. Use the following probe Sequence and Data Output Tests to test the TLA7PG2. P6470 page 4- -43 P6471...
  • Page 109 The Probe Verification Procedures contains procedures to verify certain functions for the P6470, P6471, P6472, P6473, P6474, and P6475 pattern generator probes. Refer to the TLA7PG2 Setup Procedures on page 4- -7 and complete all TLA7PG2 tests prior to verifying the functions for the pattern generator probes.
  • Page 110 Performance Verification CPS250 +5 V Termination board TDS7104 P6470 Probe P6245 Probe From pattern generator probe A connector Figure 4- 16: Internal Clock Frequency connections 4- 41 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 111 9. Start the pattern generator. 10. Set the oscilloscope Horizontal axis setting to 1.00 s/div. 11. Verify that the frequency of the pattern generator output signal is 200 kHz. 12. Stop the pattern generator. 4- 42 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 112 Two P6245 1 MΩ 10X Oscilloscope probes (Item 3) CPS250 Power supply (item 6) AFG310 Function generator (item 5) One BNC cable (item 7) Prerequisites Connected P6470 probe Test equipment connected as shown in Figure 4- - 17 Diagnostics pass 4- 43 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 113 Termination board TDS7104 INHIBIT P6470 Probe To Termination board P6245 Probe STB, D1-D15 J210 To Termination board D0 J210 From TLA7PG2 probe A connector Figure 4- 17: Sequence and Data Output connections 4- 44 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 114 8. Verify that the CH1 waveforms are similar to the waveforms shown in Figure 4- -18. 9. Connect the CH2 Probe on the oscilloscope to the STB connector on the termination Board. Verify that the output signal data pattern is similar to the 4- 45 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 115 15. Load the TP7PG0.TPG module setup file. 16. Repeat steps 7 through 10. 17. Connect Probe D to the termination board. 18. Load the TP8PG0.TPG module setup file. 19. Start the pattern generator. 4- 46 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 116 CH2 (D5) CH2 (D6) CH2 (D7) CH2 (D8) CH2 (D9) CH2 (D10) CH2 (D11) CH2 (D12) CH2 (D13) CH2 (D14) CH2 (D15) Figure 4- 19: P6470 Sequence and Data strobed sample waveforms 4- 47 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 117 Termination board Inhibit input test only. +5 V Termination board TDS7104 P6245 Probe P6470 Probe To D0 on Termination board J200 From TLA7PG2 probe A connector Figure 4- 20: Inhibit function connections 4- 48 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 118 Select System Configuration from the System menu in the pattern generator application. b. Click the Merge button between the merged modules to unmerge the two modules. c. Click the OK button. 4- 49 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 119 14. Start the pattern generator. 15. Verify that a 500 Hz clock pattern appears on CH1. 16. Repeat step 15 for Probe B, Probe C, and Probe D. 17. Stop the pattern generator. 4- 50 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 120 Connect the test equipment as shown in Figure 4- - 21 Diagnostics pass CPS250 +5 V Termination board TDS7104 P6245 Probe P6471 ECL Probe From pattern generator probe A connector Figure 4- 21: Internal Clock Frequency connections 4- 51 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 121 8. Click the Setup icon in the pattern generator application window and change the internal clock period to 9.99 ns. 9. Start the pattern generator. 10. Verify that the frequency of the pattern generator output signal is 100.1 MHz. 11. Stop the pattern generator. 4- 52 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 122 Three P6245 1 MΩ 10X Oscilloscope probes (Item 3) CPS250 Power supply (item 6) AFG310 Function generator (item 5) One BNC cable (item 7) Prerequisites Connected P6471 probe Test equipment connected as shown in Figure 4- - 22 Diagnostics pass 4- 53 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 123 +5 V Termination board EVENT P6471 Probe P6245 Probe To Termination board STB, D1-D15 J110 To Termination board D0 J110 From TLA7PG2 probe A connector Figure 4- 22: Sequence and Data Output connections 4- 54 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 124 8. Verify that the CH1 waveforms are similar to the waveforms shown in Figure 4- -18. 9. Connect the CH2 Probe on the oscilloscope to the STB connector on the termination Board. Verify that the output signal data pattern is similar to the 4- 55 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 125 15. Load the TP7PG0.TPG module setup file. 16. Repeat steps 7 through 10. 17. Connect Probe D to the termination board. 18. Load the TP8PG0.TPG module setup file. 19. Start the pattern generator. 4- 56 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 126 CH2 (D5) CH2 (D6) CH2 (D7) CH2 (D8) CH2 (D9) CH2 (D10) CH2 (D11) CH2 (D12) CH2 (D13) CH2 (D14) CH2 (D15) Figure 4- 24: P6471 Sequence and Data strobed sample waveforms 4- 57 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 127 P6245 1 MΩ 10X Oscilloscope probe (Item 3) CPS250 Power supply (item 6) Prerequisites Connect probe as shown in Figure NO TAG Connect the test equipment as shown in Figure NO TAG Diagnostics pass 4- 58 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 128 Performance Verification CPS250 +5 V Termination board TDS7104 P6472 Probe P6245 Probe From pattern generator probe A connector Figure 4- 25: Internal Clock Frequency connections 4- 59 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 129 268 MHz. 7. Stop the pattern generator. 8. Click the Setup icon in the pattern generator application window and change the internal clock period to 9.99 ns. 9. Start the pattern generator. 4- 60 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 130 Two P6245 1 MΩ 10X Oscilloscope probes (Item 3) CPS250 Power supply (item 6) AFG310 Function generator (item 5) One BNC cable (item 7) Prerequisites Connected P6472 probe Test equipment connected as shown in Figure 4- - 26 Diagnostics pass 4- 61 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 131 Termination board TDS7104 EVENT P6472 Probe P6245 Probe To Termination board STB, D1-D7 J210 To Termination board D0 J210 From TLA7PG2 probe A connector Figure 4- 26: Sequence and Data Output connections 4- 62 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 132 4. Set up CH1 of the function generator as follows: H Frequency 200 kHz H CH1 5. Load the TP5PG0.TPG module setup. 6. Verify that the front panel Accessed indicator blinks on the pattern generator module. 7. Start the pattern generator. 4- 63 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 133 20. Verify that the CH1 waveforms are similar to the waveforms shown in Figure 4- -28. 21. Connect the CH2 Probe of the oscilloscope to the STB connector on the termination Board. Verify that the output signal data pattern is similar to the 4- 64 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 134 23. Stop the pattern generator. CH1 (D0) CH2 (STB) CH2 (D1) CH2 (D2) CH2 (D3) CH2 (D4) CH2 (D5) CH2 (D6) CH2 (D7) Figure 4- 28: P6472 Sequence and Data strobed sample waveforms 4- 65 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 135 Connect the test equipment as shown in Figure 4- - 29 Diagnostics pass CPS250 +5 V Termination board TDS7104 P6473 Probe P6245 Probe From pattern generator probe A connector Figure 4- 29: Internal Clock Frequency connections 4- 66 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 136 8. Click the Setup icon in the pattern generator application window and change the internal clock period to 9.99 ns. 9. Start the pattern generator. 10. Verify that the frequency of the pattern generator output signal is 100.1 MHz. 11. Stop the pattern generator. 4- 67 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 137 Two P6245 1 MΩ 10X Oscilloscope probes (Item 3) CPS250 Power supply (item 6) AFG310 Function generator (item 5) One BNC cable (item 7) Prerequisites Connected P6473 probe Test equipment connected as shown in Figure 4- - 30 Diagnostics pass 4- 68 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 138 Termination board TDS7104 EVENT P6473 Probe P6245 Probe To Termination board STB, D1-D15 J160 To Termination board D0 J160 From TLA7PG2 probe A connector Figure 4- 30: Sequence and Data Output connections 4- 69 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 139 8. Verify that the CH1 waveforms are similar to the waveforms shown in Figure 4- -31. 9. Connect the CH2 Probe on the oscilloscope to the STB connector on the termination Board. Verify that the output signal data pattern is similar to the 4- 70 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 140 15. Load the TP7PG1.TPG module setup file. 16. Repeat steps 7 through 10. 17. Connect Probe D to the termination board. 18. Load the TP8PG1.TPG module setup file. 19. Start the pattern generator. 4- 71 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 141 CH2 (D5) CH2 (D6) CH2 (D7) CH2 (D8) CH2 (D9) CH2 (D10) CH2 (D11) CH2 (D12) CH2 (D13) CH2 (D14) CH2 (D15) Figure 4- 32: P6473 Sequence and Data strobed sample waveforms 4- 72 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 142 One BNC cable (item 7) (used for test by Inhibit External Inhibit input only) Pattern generator modules not merged Prerequisites Connected P6473 probe Test equipment connected as shown in Figure 4- - 33 Diagnostics pass 4- 73 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 143 3. Set the oscilloscope controls as follows: Displayed channel: Vertical axis (CH1, CH2): 2 V/div Vertical position (CH1): 1.00 div Vertical offset (CHx): 0.0 V Bandwidth: Full Input coupling (CH1): 50 Ω Input impedance (CH1): 4- 74 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 144 7. Repeat step 2 through step 6 for Group2 Group3, and Group4. 8. Start the pattern generator. 9. Verify that the CH1 output signal has a 500 Hz clock pattern. 10. Stop the pattern generator. 4- 75 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 145 The following tests and information verify the operation of the P6474 probe. Internal Clock Frequency The Internal Clock Frequency test confirms the frequency of the pattern generator module internal clock with the probe. Test for P6474 4- 76 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 146 Connect the test equipment as shown in Figure 4- - 34 Diagnostics pass CPS250 +5 V Termination board TDS7104 P6474 Probe P6245 Probe From pattern generator probe A connector Figure 4- 34: Internal Clock Frequency connections 4- 77 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 147 8. Click the Setup icon in the pattern generator application window and change the internal clock period to 9.99 ns. 9. Start the pattern generator. 10. Verify that the frequency of the pattern generator output signal is 100.1 MHz. 11. Stop the pattern generator. 4- 78 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 148 Two P6245 1 MΩ 10X Oscilloscope probes (Item 3) CPS250 Power supply (item 6) AFG310 Function generator (item 5) One BNC cable (item 7) Prerequisites Connected P6474 probe Test equipment connected as shown in Figure 4- - 35 Diagnostics pass 4- 79 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 149 Termination board TDS7104 EVENT P6474 Probe P6245 Probe To Termination board STB, D1-D15 J210 To Termination board D0 J210 From TLA7PG2 probe A connector Figure 4- 35: Sequence and Data Output connections 4- 80 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 150 8. Verify that the CH1 waveforms are similar to the waveforms shown in Figure 4- -36. 9. Connect the CH2 Probe on the oscilloscope to the STB connector on the termination Board. Verify that the output signal data pattern is similar to the 4- 81 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 151 15. Load the TP7PG0.TPG module setup file. 16. Repeat steps 7 through 10. 17. Connect Probe D to the termination board. 18. Load the TP8PG0.TPG module setup file. 19. Start the pattern generator. 4- 82 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 152 CH2 (D5) CH2 (D6) CH2 (D7) CH2 (D8) CH2 (D9) CH2 (D10) CH2 (D11) CH2 (D12) CH2 (D13) CH2 (D14) CH2 (D15) Figure 4- 37: P6474 Sequence and Data strobed sample waveforms 4- 83 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 153 One BNC cable (item 7) (used for test by Inhibit External Inhibit input only) Pattern generator modules not merged Prerequisites P6474 probe connected Test equipment connected as shown in Figure 4- - 38 Diagnostics pass 4- 84 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 154 Inhibit by External Termination board Inhibit input test only. +5 V Termination board TDS7104 P6245 Probe P6474 Probe To D0 Termination board J210 From TLA7PG2 probe A connector Figure 4- 38: Inhibit function connections 4- 85 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 155 The following tests must be done sequentially: Inhibit by by Event. Use the TP12INH.TPG module setup file. 5. Load the TP12INH.TPG module setup file. 6. Open the Program window and select the Block tab. 4- 86 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 156 16. Start the pattern generator. 17. Verify that a 500 Hz clock pattern appears on CH1. 18. Repeat step 15 for Probe B, Probe C, and Probe D. 19. Stop the pattern generator. 4- 87 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 157 TDS7104 Digitizing Oscilloscope (item 2) One BNC to SMB cable (item 9) Prerequisites Connect probe as shown in Figure 4- - 39 Connect the test equipment as shown in Figure 4- - 39 Diagnostics pass 4- 88 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 158 0.0 V Bandwidth: Full Input coupling: 50 Ω Input impedance: Horizontal axis: 1 ns/div Record length: 5000 Trigger mode: NORM Trigger source: Trigger slope:: Rise Trigger level: 0.5 V Trigger coupling: Trigger position: 4- 89 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 159 P6475. This check also verifies the probe operation. You must have four P6475 probes to complete this procedure or power down the TLA mainframe and move the P6475 connection from Probe A to B to C to D. 4- 90 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 160 1. Connect all equipment as shown in Figure 4- -40. 2. Set up the oscilloscope by pressing Setup, Factory, and then OK Confirm Factory Init to return the oscilloscope to the default condition. 3. Set the oscilloscope controls as follows: 4- 91 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 161 4. Set up CH1 of the function generator as follows: H Frequency 200 kHz H CH1 5. Connect the Probe A connector on the TLA7PG2 to the P6475. 6. Load the TP5PG1.TPG module setup file. 7. Verify that the front panel Accessed indicator blinks on the pattern generator module.
  • Page 162 CH2(P6475 CH6) CH2(P6475 CH7) Figure 4- 41: P6475 Sequence and Data sample waveforms 14. Connect the Probe B connector on the TLA7PG2 to the P6475. 15. Load the TP6PG1.TPG module setup file. 16. Repeat steps 7 through 10. 17. Connect the Probe C connector on the TLA7PG2 to the P6475.
  • Page 163 AFG310 Function generator (item 5) (used for test by Inhibit External Inhibit input only) Two BNC to SMB cable (item 9) Pattern generator modules not merged Prerequisites P6475 probe connected Test equipment connected as shown in Figure 4- - 43 Diagnostics pass 4- 94 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 164 Factory Init to return the oscilloscope to the default condition. 3. Set the oscilloscope controls as follows: Displayed channel: Vertical axis (CH1): 500 mV/div Vertical position (CH1): - - 2.00 div Vertical offset (CHx): 0.0 V Bandwidth: Full Input coupling (CH1): 4- 95 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 165 H CH1 11. Connect a BNC to SMB cable from the function generator to the INHIBIT connector on the P6475. 12. Connect the Probe A connector on the TLA7PG2 to the P6475. 4- 96 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 166 16. Repeat step 15 for Probe B, Probe C, and Probe D. 17. Stop the pattern generator. 18. Disconnect the BNC to SMB cable from the INHIBIT connector on the P6475. 19. Stop the pattern generator. 4- 97 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 167 Follow the steps below to complete the functional verification: 1. Connect all equipment as shown in Figure 4- -44. 2. Set up the oscilloscope by pressing Default Setup then Factory Init to return the oscilloscope to the default condition. 4- 98 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 168 11. Set the vertical scale to 2 V/div for CH1, CH2, and CH3 on the oscilloscope. 12. Set the oscilloscope vertical position as follows: H CH1 2 div H CH2 0 div H CH3 - -2 div 4- 99 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 169 CH7 to RZ. 17. Verify that the waveforms are similar to those shown in Figure 4- -46. CH1 (P6475 CH0) CH2 (P6475 CH6) CH3 (P6475 CH7) Figure 4- 46: RZ data format 4- 100 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 170 23. Select the Probe Setup window and set the CH6 output mode to CH6 OR CH7. 24. Start the pattern generator. 25. Verify that the waveforms are similar to those shown in Figure 4- -48. 4- 101 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 171 29. Verify that the waveforms are similar to what are shown in Figure 4- -49. CH1 (P6475 CH0) CH2 (P6475 CH6) CH3 (P6475 CH7) Figure 4- 49: AND logic 30. Stop the pattern generator. 4- 102 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 172 35. Select the Probe Setup window and set the CH6 output mode to CH6 OR (NOT CH7). 36. Start the pattern generator. 37. Verify that the waveforms are similar to those shown in Figure 4- -51. 4- 103 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 173 Performance Verification CH1 (P6475 CH0) CH2 (P6475 CH6) CH3 (P6475 CH7) Figure 4- 51: CH6 OR (NOT CH7 ) 38. Stop the pattern generator. This completes the functional verification of the P6475 probe. 4- 104 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 174 30 minutes, and operating at an ambient temperature between +20_ C and +30_ C. H The instrument must be in an operating environment within the limits described in the Specifications section of the Tektronix Logic Analyzer Family User Manual. These procedures use external, traceable signal sources to directly test the characteristics that are designated as checked (n) in the Specifications chapter of this manual.
  • Page 175 One BNC cable (item 7) (not used with P6475) 3 BNC to SMB cables (item 9) Prerequisites Probes connected Test equipment connected as shown in Figure 4- - 52 or Figure 4- - 53 Functional Verifications pass Diagnostics pass 4- 106 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 176 J110, J160, or J210 To Termination board D0 output J110, J160, or J210 From TLA7PG2 probe A connector Figure 4- 52: Maximum Operating Frequency Connections using P6470, P6471, P6472, P6473, or P6474 (Example) 4- 107 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 177 3. Set the oscilloscope controls as follows: Displayed channel: CH1, CH2 Vertical axis (CH1, CH2): P6470, P6473, P6474 5 V/div P6471, P6472, P6475 1 V/div Vertical position (CH1): P6470, P6473, P6474, P6475 2.00 div P6471, P6472 4.00 div 4- 108 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 178 5. Load the module setup file: H TP15PVP0.TPG for P6470, P6471, P6472, or P6474 H TP15PVP1.TPG for P6473 or P6475 After the file is loaded, the TLA7PG2 clock period is set to 7.4627 ns. 6. Start the pattern generator. 4- 109...
  • Page 179 CH2 (D4) Figure 4- 54: Timing chart for the Maximum Operating Frequency check 8. Stop the pattern generator. 9. Connect the Probe B connector from the TLA7PG2 to the Termination board or to the P6475. 10. Load the module setup file: H TP16PVP0.TPG for P6470, P6471, P6472, or P6474...
  • Page 180 H TP17PVP0.TPG for P6470, P6471, P6472, or P6474 H TP17PVP1.TPG for P6473 or P6475 14. Repeat steps 6 through 8. 15. Connect the Probe D connector from the TLA7PG2 to the Termination board or to the P6475. 16. Load the module setup file: H TP18PVP0.TPG for P6470, P6471, P6472, or P6474...
  • Page 181 P6475 probe connected Test equipment connected as shown in Figure 4- - 55 Diagnostics pass Probe A connector from TLA7PG2 P6475 Variable Probe TDS7104 BNC to SMB cables Figure 4- 55: Delay Accuracy connections 4- 112 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 182: Table 4- 5: Delay

    - - 0.80 ns 0.80 ns 10 ns 8.90 ns 11.10 ns 20 ns 18.60 ns 21.40 ns 15 - 30 ns 15 ns 13.75 ns 16.25 ns 30 ns 28.30 ns 31.70 ns 4- 113 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 183 Photocopy the P6475 Variable Probe Test Record on page 4- -6 and add the test data that you acquire from this test. This completes the performance verification tests for the pattern generator probes. 4- 114 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 184 Adjustment Procedures There are no adjustment procedures for the TLA7PG2 Pattern Generator module or for the pattern generator probes. 5- 1 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 185 Adjustment Procedures 5- 2 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 186 Do service of static-sensitive circuit boards only at a static-free work station. 4. Nothing capable of generating or holding a static charge should be allowed on the work station surface. 6- 1 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 187 To confirm this, inspect the chassis for physical damage incurred during transit. Retain the chassis packaging in case shipment for repair is necessary. If there is damage or deficiency, contact your local Tektronix representative. Cleaning procedures consist of exterior and interior cleaning of the chassis.
  • Page 188 Do not use chemical cleaning agents; they may damage the chassis. Avoid using benzene, toluene, xylene, acetone, or similar solvents. 6- 3 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 189 Maintenance 6- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 190 STOP. READ THESE GENERAL INSTRUCTIONS BEFORE REMOVING A General Instructions MODULE. Read Equipment Required for a list of the tools needed to remove and install modules in this instrument. Read the cleaning procedure before disassembling the instrument for cleaning. 6- 5 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 191: Table 6- 1: Tools Required For Part Removal

    Driver with a #0 tip and a #1 tip Screwdriver for removing small phillips screws Nutdriver, inch Standard tool Nutdriver, inch Standard tool Solder Iron Standard tool Small flat-blade screwdriver Standard tool 6- 6 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 192 1. Remove the eight Phillips-drive screws and the one pan-head screw and washer that secures the right cover. 2. Lift the cover off of the chassis. See Figure 6- -1 Pan head screw Phillips drive screws (8) Figure 6- 1: Right cover 6- 7 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 193 H J1960 cable housing on the A20 Clock and VXI board (Push the cable housing tab to release the cable latch.) See Figure 6- -3. 5. Lift the A50 PG board out of the chassis. 6- 8 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 194 3. Remove the screw in the upper left section of the A20 board. 4. Remove the three screws securing the Rear End Cap to the chassis. 5. Carefully lift the A20 board out of the chassis. 6- 9 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 195 Follow the steps below to remove the BNC connector from the front panel: 1. Use a inch nut driver to remove the nut from the BNC connector. 2. Remove the BNC connector from the front panel. 6- 10 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 196 1. Remove the two screws that secure the ejector assembly. 2. Remove the ejector assembly by tipping the ejector away from the chassis. See Figure 6- -5. Ejector assembly Figure 6- 5: Ejector assembly 6- 11 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 197 Figure 6- -6. Cushioning pad in place Cushioning pad Figure 6- 6: Cushioning pad Installation Procedures for Pattern Generator Do the Removal Procedures for the Pattern Generator in reverse order. 6- 12 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 198 Do not pry. 3. Remove the top cover. Top cover Push here Bottom cover Screw (4) Figure 6- 7: Removing the standard probe cover 6- 13 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 199: Table 6- 2: P6470 Series Termination Resistors

    100 Ω 307-1686-00 150 Ω 307-1687-00 NOTE. Be careful not to bend the resistor pack pins when installing the replace- ment resistors in sockets. R910 R900 Figure 6- 8: P6470 series termination resistors 6- 14 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 200 You can select the PECL or LVPECL circuit by moving the P300 jumper inside for PECL or LVPECL the probe to the J300 pin locations as shown in Figure 6- -10. PECL LVPECL J300 Figure 6- 10: P6472 PECL and LVPECL jumper position 6- 15 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 201 The P6472, P6473, P6474, and P6475 have surface mount fuses that are not P6475 Fuse Replacement replaceable. NOTE. Replacing surface mount fuses could cause damage to the circuit board. Contact your local Tektronix service center for replacement information. Table 6- 3: P6472, P6473, P6474, and P6475 fuse descriptions Probe Description...
  • Page 202 Description Circuit location P6470 159-0335-00 FUSE,WIRE LEAD:1A,125V,FAST A95F380, A95F390, A95F392, BLOW,AXIAL LEADS A95F395 159-A025-00 FUSE:WIRE- - LEAD,AXI,2A,125V,FAST A95F385 P6471 159-0335-00 FUSE,WIRE LEAD:1A,125V,FAST A90F380, A90F392, A90F395 BLOW,AXIAL LEADS 159-A025-00 FUSE:WIRE- - LEAD,AXI,2A,125V,FAST A90F385 6- 17 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 203 Replace the fan by reversing this procedure. NOTE. Position the fan so that the label is facing towards the circuit board. Fan label facing toward board Disconnect J810 Remove fan Figure 6- 12: Removing the standard probe fan 6- 18 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 204 Follow the steps below to remove the P6475 cover. See Figure 6- -13. Cover 1. Remove the 4 screws securing the probe cover. 2. Lift the probe cover off of the probe chassis. Remove screws (4) Figure 6- 13: Removing the P6475 cover 6- 19 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 205 Replace the fan by reversing this procedure. Be sure the fan is reinstalled so that the airflow is directed inside of the chassis. Screws (8) Wire from J1510 Wire from J1520 J1510 J1520 Figure 6- 14: Removing the P6475 fans 6- 20 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 206 3. Remove the board by lifting the board up and towards the front of the chassis. Replace the board by reversing this procedures. Disconnect CN1 Disconnect CN2 Figure 6- 15: Disconnect power supply cables 6- 21 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 207 Removal and Installation Procedures Remove screws (2) Figure 6- 16: Remove the power supply board 6- 22 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 208 Removal and Installation Procedures 6- 23 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 210 Troubleshooting This section contains information and procedures designed to isolate faulty modules in the TLA7PG2 Pattern Generator. If these procedures indicate that a module needs to be replaced, follow the Removal and Installation Procedures in the preceding section. LEDs The TLA7PG2 has five front-panel LEDs that indicate whether a particular function of the pattern generator is in operation.
  • Page 211 OK? following three signals all OK? Replace the A50 PG board. Data Output, Strobe Output, Data Output, Strobe Output, and Clock Output. and Clock Output. Done. Figure 6- 17: Troubleshooting procedure 6- 26 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 212 NOTE. Some items in the pattern generator extended diagnostics menu will fail if a logic analyzer or DSO is running. Stop all LA and DSO modules before performing the extended pattern generator diagnostics. 6- 27 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 213 Troubleshooting 6- 28 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 214 Version 4.0 and above come with Microsoft Windows 2000 Professional while Version 3.2 and below come with Microsoft Windows 98. Refer to your Tektronix Logic Analyzer Family User Manual for detailed software installation procedures or the The TLA7UP Upgrade Instructions for upgrading the system software.
  • Page 215 PG files. Uninstalling Pattern Generator Application Software You can remove the Pattern Generator (PG) software using the Uninstall program. Use the Add/Remove Programs tool under the Control Panel to uninstall software. 6- 30 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 216 4. Remove the module from the mainframe. 5. Refer to Figure 6- -18 and locate the flash programming pins on the rear of the module. Flash programming pins Figure 6- 18: Flash programming pins 6- 31 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 217 System window. 9. Exit the pattern generator or logic analyzer application. 10. Click Start → Programs → Tektronix Logic Analyzer, and click TLA Firmware Loader. 11. Select the modules that you want to update from the list of modules displayed in the Supported list box near the top of the menu.
  • Page 218 21. Attach a new label with the new firmware version to the module. 22. Reinstall the module in the mainframe and reconnect the probes. 23. Reconnect the power cord and turn on the mainframe. 24. Verify that the power-on diagnostics pass. 6- 33 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 219 Restoring and Reinstalling Software 6- 34 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 220 (If available, use the original shipping carton, which meets these requirements.) If the TLA7PG2 is shipped to a Tektronix Service Center, enclose the following information: H The owner’s name...
  • Page 221 Repackaging 6- 36 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 222 Options and Accessories This section describes the various options as well as the standard and optional accessories that are available for the TLA7PG2 Pattern Generator module. Pattern Generator Options The following options are available for the pattern generator: H Option R3  Repair warranty; extended to cover 3 years H Option C3 ...
  • Page 223 Table 7- -1 lists the optional accessories that are recommended for use with the pattern generator. Table 7- 1: Optional accessories Optional accessory Tektronix part number TLA7PG2 Pattern Generator and Probes Service Manual (this 071-0714-XX manual) P6470, P6471, P6472, P6473, and P6474 probes only Option 1C, Grabber tips (bag of 42)
  • Page 224 Options and Accessories Table 7- 3: Probe standard accessories Standard accessory Tektronix part number TLA7PG2 Pattern Generator Probes Instruction Manual 071-1017-XX P6470, P6471, P6472, P6473, and 020-2338-00 Standard lead set kit: for P6474 probes only. Probe lead sets 10-VON twisted pair (quantity 1) Probe lead sets;...
  • Page 225 Options and Accessories 7- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 226 The pattern generator and probes included in this service manual are a combina- tion of mechanical and electrical subparts. All replaceable modules are listed in the Replaceable Mechanical Parts chapter. Refer to that chapter for part numbers when using this manual. 8- 1 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 227 Replaceable Electrical Parts 8- 2 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 228 Diagrams This section contains the following diagrams: H Function block diagram for the TLA7PG2 Pattern Generator H Function block diagram for P6470, P6471, P6472, P6473, and P6474 probes H Function block diagram for the P6475 probe H Cable diagram for the TLA7PG2 pattern generator H Cable diagram for the P6475 probe The block diagrams show the modules, probes, and the functional blocks.
  • Page 229 Clock ADDRESS DIVIDER CPU I/F Power FPGA Processor Power System Supplies 68340 VXI I/F A 20 :CLOCK & VXI I/F BOARD Figure 9- 1: Function block diagram for the TLA7PG2 Pattern Generator 9- 2 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 230 A90 :ECL Board A95 :CMOS Board A81 :LVCMOS Board A82 :LVDS Board A83 :PECL/LVPECL Board, (8 data channels) Figure 9- 2: Function block diagram for P6470, P6471, P6472, P6473, and P6474 probes 9- 3 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 231 5 VDelay 7 Mix LATCH CH 6, 1 x 2 Power Event Event Serial Power Supply +12 V A80 Variable AC input Board Figure 9- 3: Function block diagram for P6475 Probe 9- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 232 Probe B To Device Under Test (DUT) J2000 Probe C J2100 Probe D J2700 J2210 J2890 J2895 9- - 4 9- - 3 Figure 9- 4: Cable diagram for the TLA7PG2 pattern generator 9- 5 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 233 J800 W800 J1510 J810 W810 J820 W820 J1520 J830 W830 J900 W900 Clock J1320 W1320 Inhibit J1300 W1300 Event 0 J1310 W1310 Event 1 Figure 9- 5: Cable diagram for the P6475 probe 9- 6 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 234 Replaceable Mechanical Parts This section contains a list of the replaceable modules for the TLA7PG2 Pattern Generator. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative.
  • Page 235 Using the Replaceable Parts List This section contains a list of the mechanical and/or electrical components that are replaceable for the TLA7PG2 Pattern Generator. Use this list to identify and order replacement parts. The following table describes each column in the parts list.
  • Page 236 3- - 1- - 2 KAMIYOHGA TOKYO JAPAN, SETAGAYA- - KU TK2565 VISION PLASTICS INC 26000 SW PARKWAY CENTER DRIVE WILSONVILLE, OR 97070 TK2548 XEROX CORPORATION 14181 SW MILLIKAN WAY BEAVERTON, OR 97005 10- 3 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 237 131- - 1315- - 01 CONN,RFJACK:BNC,50 OHM, 24931 28JR306- - 1 FEMALE,STR,PELTOLA/PANEL MOUNT - - 21 211- - A137- - 00 SCREW,MACHINE:M3 X 6MML,TRUSS HD,STL, TK0191 211- - A137- - 00 NI PL,CROSS REC 10- 4 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 238 335- - 0095- - 00 MARKER,IDENT:MKD SONY/TEK,TOP TK0191 335- - 0095- - 00 INJECTOR/EJECTOR LABEL,(TLA PG ONLY) - - 23 367- - 0483- - 00 HANDLE:INJECTOR/EJECTOR ASSEMBLY, 7X318 2TEK 1461 TWO WIDE VXI,W/KEYING, SPRING LOADED,PLASTIC 10- 5 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 239 Replaceable Mechanical Parts Figure 10- 1: TLA7PG2 chassis 10- 6 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 240 (W705, A20J705 TO A20J305), (W2895, A50J2895 TO A50J2210) - - 11 015- - 1570- - 00 CABLE,SP,ELEC:11 PAIR SHIELDED TWIST + 10 TK0191 012- - A212- - 00 SINGLE LINE W/CONNECTOR,100OHM,150CM, WITH LABEL 10- 7 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 241 Replaceable Mechanical Parts Figure 10- 2: TLA7PG2 cables and fuses 10- 8 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 242 307- - 1686- - 00 RES,NTWK,FXD,FI:(9),100 OHM,2%,0.45W TK0191 307- - 1686- - 00 (SUBPART OF 015-A095- - 00) 307- - 1687- - 00 RES,NTWK,FXD,FI:(9),150 OHM,2%,0.45W TK0191 307- - 1687- - 00 (SUBPART OF 015-A095-00) 10- 9 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 243 Replaceable Mechanical Parts Figure 10- 3: P6470 probe chassis 10- 10 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 244 348- - A127- - 00 CUSHION,FAN:RUBBER,W/ADHESIVE TAPE 348- - A127- - 00 - - 7 213- - 1127- - 00 SCREW,TPG:M3 8MM L,PNH,STL,BLK ZN TK0191 213- - 1127- - 00 PL,CROSS REC 10- 11 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 245 Replaceable Mechanical Parts Figure 10- 4: P6471 probe chassis 10- 12 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 246 307- - 1686- - 00 RES,NTWK,FXD,FI:(9),100 OHM,2%,0.45W TK0191 307- - 1686- - 00 (SUBPART OF 015-A095- - 00) 307- - 1687- - 00 RES,NTWK,FXD,FI:(9),150 OHM,2%,0.45W TK0191 307- - 1687- - 00 (SUBPART OF 015-A095-00) 10- 13 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 247 Replaceable Mechanical Parts Figure 10- 5: P6472, P6473, and P6474 probe chassis 10- 14 TLA7PG2 Pattern Generator Module Service Manual...

  • Page 248: Table 1- -14: P6475 Variable Probe

    211- - A148- - 00 SCREWS: BOARD, CHASSIS 211- - A148- - 00 - - 4 119- - B112- - 00 POWER SUPPLY:INPUT TK0191 119- - B112- - 00 85- - 265VAC,47- - 440HZ,OUT+12V/2.5 10- 15 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 249 Replaceable Mechanical Parts Figure 10- 6: P6475 variable probe chassis 10- 16 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 250 020- - 2338- - 00 Kit: CABLE,INTCON:10- - VON,TWISTED PAIR,127 MM TK0191 012- - 2338- - 00 L, 2 EACH. CABLE,INTCON:16- - VON,TWISTED PAIR,127 MM L, 1 EACH Figure 10- 7: Cables for standard probes 10- 17 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 251 L,W/SMB & HEADER,P3410 - - 2 131- - 5919- - 00 CONN,CARRIER:P3410, MALE & FEMALE, STR, 80009 131- - 5919- - 00 2X13,0.1CTR,PLZ CTR,SCI Figure 10- 8: Cables for P6475 variable probe 10- 18 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 252 80009 206-0364-00 TIP, PROBE: MICROCKT TEST, 0.05 CTR 012-A224-00 FOR USE WITH P6475 WHEN USING A P6470, 80009 012-A224-00 P6473 OR P6474. CABLE ASSY, SP: TIME ALIGN- MENT CABLE, 3.3M (10.83 FT), 10- 19 TLA7PG2 Pattern Generator Module Service Manual...
  • Page 253 Replaceable Mechanical Parts 10- 20 TLA7PG2 Pattern Generator Module Service Manual...

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