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Tektronix 070-9793-02 manual

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Table of contents for the manual

  • Page 1

    Instructions P6434 Mass T ermination Pr obe 070-9793-02 There are no current European directives that apply to this product. This product provides cable and test lead connections to a test object of electronic measuring and test equipment. W arning The servicing instructions are for use by qualified personnel only . T o avoid personal injury , do n[...]

  • Page 2

    Copyright © T ektronix, Inc. All rights reserved. T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A. T ektronix, Inc., P .O. Box 1000, W ilsonville, OR 97070?[...]

  • Page 3

    W ARRANTY T ektronix 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, T ektronix, at its option, either will repair the defective product without charge for parts and labo[...]

  • Page 4

    [...]

  • Page 5

    P6434 Probe Instructions i T able of Contents General Safety Summary iii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Contacting T ektronix v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 6

    T able of Contents ii P6434 Probe Instructions List of Figures Figure 1: P6434 Mass T ermination Probe 1 . . . . . . . . . . . . . . . . . . . . . . . Figure 2: Applying labels 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3: Connecting to a surface- or straddle-mounted connector 4 . . Figure 4: Connecting the Low[...]

  • Page 7

    P6434 Probe Instructions iii General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. T o avoid potential hazards, use this product only as specified. Only qualified personnel should perform service pr ocedur es. While using this product, you may need to acces[...]

  • Page 8

    General Safety Summary iv P6434 Probe Instructions T erms in this Manual. These terms may appear in this manual: W ARNING. W arning statements identify conditions or practices that could r esult in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could r esult in damage to this pr oduct or other pr operty . [...]

  • Page 9

    P6434 Probe Instructions v Preface These instructions cover the following topics: H Operating basics H Designing an interface between the P6434 probe and a system under test H Service information H Replaceable parts list Information in these instructions assumes your system under test (SUT) is based on a microprocessor . If your SUT is not based on[...]

  • Page 10

    Preface vi P6434 Probe Instructions[...]

  • Page 11

    P6434 Probe Instructions 1 Operating Basics The P6434 Mass T ermination Probe allows you to connect 34 logic analyzer channels to a microprocessor probe adapter or directly to your SUT in one fourth the physical area needed to connect standard probes. The vertical clearance dimension is less than a half inch when used with the Low-Profile Extender [...]

  • Page 12

    Operating Basics 2 P6434 Probe Instructions Labels The P6434 probe is shipped with a sheet of labels. The labels are color coded to match the probe connectors on the logic analyzer and are different shapes for the probe tip and module ends of the probe. There are two methods you can use to apply labels to the P6434 probe: standard or custom. Y ou n[...]

  • Page 13

    Operating Basics P6434 Probe Instructions 3 Pin 1 side Pin 38 side Recess on pin 1 side Pin 1 label End view Pin 38 side Beveled corners Beveled corner Recessed edge Figure 2: Applying labels Connecting the P6434 Probe to the SUT The P6434 probe can connect to surface-mounted or straddle-mounted Mictor connectors. Y ou can use the Low-Profile Exten[...]

  • Page 14

    Operating Basics 4 P6434 Probe Instructions 2. Position the probe tip perpendicular to the mating connector , and gently connect the probe as shown in Figure 3. 3. When connected, push down the latch releases on the probe to set the latch. Optional latch housing Pin 1 Push down to latch after probe is connected Push down to latch after probe is con[...]

  • Page 15

    Operating Basics P6434 Probe Instructions 5 Y ou can use the Low-Profile Extender to connect the P6434 probe to systems with as little as a half inch of clearance between circuit boards. The extender connects to Mictor connectors with or without a latch housing. T o connect the probe using the extender , follow these steps: 1. Line up the pin 1 ind[...]

  • Page 16

    Operating Basics 6 P6434 Probe Instructions Disconnecting the P6434 Probe from the SUT T o disconnect the P6434 probe, follow these steps: 1. Gently pull the latch release grip to release the probe tip from the latch housing as shown in Figure 5. Grasp sides and gently pull Latch release grip Figure 5: Releasing the probe tip from the latch housing[...]

  • Page 17

    P6434 Probe Instructions 7 Designing an Interface Between a P6434 Probe and a SUT This section provides you with some guidelines for designing your own P6434 probe interface on the SUT . The guidelines contain information on the following topics: H Mictor connectors H Dimensions and placement of connectors H Mechanical layout and pinout of connecto[...]

  • Page 18

    Designing an Interface Between a P6434 Probe and a SUT 8 P6434 Probe Instructions Y ou can purchase latch housing mechanisms to use with Mictor connectors. The latch housing surrounds the Mictor connector in your SUT and provides positive retention of the P6434 probe. Figure 6 shows the dimensions of the optional latch housings. 31.50 mm (1.240 in)[...]

  • Page 19

    Designing an Interface Between a P6434 Probe and a SUT P6434 Probe Instructions 9 Dimensions and Placement of Compatible Mictor Connectors Y ou can use compatible surface-mounted or straddle-mounted Mictor connectors in your circuit board design. The connectors should be placed as close as possible to the device under test. The placement of Mictor [...]

  • Page 20

    Designing an Interface Between a P6434 Probe and a SUT 10 P6434 Probe Instructions When placing Mictor connectors in your SUT for use with an extender , you need to keep one inch of clear space on the pin 1 side from the center of the Mictor connector in your SUT . The vertical clearance for the one inch of clear space under the extender is 0.2 inc[...]

  • Page 21

    Designing an Interface Between a P6434 Probe and a SUT P6434 Probe Instructions 11 Mechanical Layout and Pin Numbering Sequence of Compatible Mictor Connectors Each compatible Mictor connector has 43 pins; pins 39 through 43 are grounded. Pins 1, 2, 37, and 38 are open. Figure 9 shows the positions and spacing between the pins, the keyhole, and the[...]

  • Page 22

    Designing an Interface Between a P6434 Probe and a SUT 12 P6434 Probe Instructions Figure 10 shows the positions and spacing between the pins and latch housing mounting holes of a straddle-mounted connector . NOTE . The straddle-mounted connector does not have a keyhole. Be sur e to position pin 1 corr ectly when building the SUT to maintain the co[...]

  • Page 23

    Designing an Interface Between a P6434 Probe and a SUT P6434 Probe Instructions 13 Figure 1 1 shows the pin assignments for the surface-mounted connector . Pin assignments are the same for the straddle-mounted connector . Note the difference between the T ektronix P6434 pinout and the Mictor connector pinout. T ektronix uses a counterclockwise pin [...]

  • Page 24

    Designing an Interface Between a P6434 Probe and a SUT 14 P6434 Probe Instructions NOTE . When designing Mictor connectors into your SUT , always verify which pin-numbering sequence your CAD system uses. Pin 1 Pin 19 Pin 38 Pin 20 Pin 2 Pin 38 Pin 1 Pin 37 T ektronix P6434 Pinout AMP , Inc. Pinout Figure 1 1: Mictor connector pin numbering sequence[...]

  • Page 25

    Designing an Interface Between a P6434 Probe and a SUT P6434 Probe Instructions 15 T able 3: Pin 1 side probe channel assignments (cont.) T ektronix P6434 probe pin number Section and channel AMP , Inc. Mictor pin number T ektronix P6434 probe pin number E probe D probe C probe A probe AMP , Inc. Mictor pin number 11 21 A3:0 C3:0 D3:0 E3:0 12 23 A2[...]

  • Page 26

    Designing an Interface Between a P6434 Probe and a SUT 16 P6434 Probe Instructions Pin 1 Indicator Be sure to place a pin 1 indicator on your circuit board during design. If you include the latch housing in your design, it will obscure the pin 1 indicator on the Mictor connector . Although the Mictor connector is keyed, you still need to know the l[...]

  • Page 27

    Designing an Interface Between a P6434 Probe and a SUT P6434 Probe Instructions 17 The Low-Profile Extender used with the P6434 probe increases the load. The additional load is equivalent to a 100 W resistor connected in series with approximately three inches of 75 W coaxial cable to the probe tip. Although the extender can increase the loading sig[...]

  • Page 28

    Designing an Interface Between a P6434 Probe and a SUT 18 P6434 Probe Instructions[...]

  • Page 29

    P6434 Probe Instructions 19 Service Information This section contains information on the following topics and tasks: H Probe maintenance H Probe circuit description H Specifications H Disassembly and reassembly procedures H Functional verification procedure Maintenance The P6434 probe does not require scheduled or periodic maintenance. T o maintain[...]

  • Page 30

    Service Information 20 P6434 Probe Instructions Circuit Description The P6434 probe contains 34 sets of signal connections (32 used as data channels and two used as clock or qualifier channels). The probe tip connection is a 38-pin Mictor connector by AMP , Inc. Each signal line has a 20 k W ± 1% resistor (shunted by a 0.23 pF capacitor) in series[...]

  • Page 31

    Service Information P6434 Probe Instructions 21 T able 7: Environmental specifications* Characteristic Description T emperature Maximum operating +50 ° C (+122 ° F) [ Minimum operating 0 ° C (+32 ° F) Non-operating –55 ° C to +75 ° C (–67 ° F to +167 ° F) Humidity 10 to 95% relative humidity Altitude Operating 4.5 km (15,000 ft) maximum[...]

  • Page 32

    Service Information 22 P6434 Probe Instructions Disassembling the Probe The following procedures describe disassembling the P6434 probe. If you are installing the connector parts replacement kit, follow the Pr obe T ip procedures on pages 22 and 25. If you are installing either of the cable replacement kits, you must also perform the Latch Release [...]

  • Page 33

    Service Information P6434 Probe Instructions 23 CAUTION. T o pr event damage to the elastomer , use tweezers and handle the elastomer connectors on the flat ar eas adjacent to the gold plated contact pads. The elastomer connectors ar e very small and ar e susceptible to contamination by natural skin oils and mishandling. 3. Using tweezers on the fl[...]

  • Page 34

    Service Information 24 P6434 Probe Instructions T o disassemble the module end of the probe, refer to Figure 17 and follow these steps: 1. On the module end, remove the four screws from the outside of the connector housing using a .050 inch hexagonal screwdriver , and open the housing. 2. Remove the pin 1 and pin 38 cables with connectors attached.[...]

  • Page 35

    Service Information P6434 Probe Instructions 25 Reassembling the Probe Use the following procedures to resassemble the P6434 probe. NOTE . When r eassembling the pr obe, you must use both the new boar d holder and both elastomer connectors included with the service kit. These components have design impr ovements that must be r eplaced as a set. T o[...]

  • Page 36

    Service Information 26 P6434 Probe Instructions Elastomer Ledge T weezer Elastomer Ledge Gold plated contact pads Elastomer slot Figure 19: Positioning the elastomer connector 5. Place the circuit board attached to the pin 1 cable into the back (cable side) of the board holder as shown in Figure 20. 6. Press the front (connector side) of the circui[...]

  • Page 37

    Service Information P6434 Probe Instructions 27 8. Position a latch release on each side of the case half. See Figure 21. Figure 21: Reattaching the latch releases and case halves 9. Align the pin 1 case half with the pin 1 side of the connector , attach the case halves, and reconnect the screws as shown in Figure 21. T o reassemble the latch relea[...]

  • Page 38

    Service Information 28 P6434 Probe Instructions Latch release fits between these flanges Figure 22: Reattaching the latch release cords to the latch releases 3. Place the other end of the latch release cords into the latch release grip and reconnect the latch release grip as shown in Figure 23. Figure 23: Reconnecting the latch release cords to the[...]

  • Page 39

    Service Information P6434 Probe Instructions 29 T o reassemble the module end of the probe, follow these steps: 1. If you are installing either the pin 1 or pin 38 cable kit, follow the procedure to reassemble the probe tip. 2. On the module end, position the trim pieces in the connector housing as shown in Figure 24. T rim piece Connector key Figu[...]

  • Page 40

    Service Information 30 P6434 Probe Instructions Functional V erification This procedure checks the basic functionality of the probe by verifying that the probes recognize signal activity at the probe tips. No calibration is necessary . The functional verification procedure for the P6434 probe requires the following test equipment: H Adjustment and [...]

  • Page 41

    Service Information P6434 Probe Instructions 31 7. Go to the Setup menu for the logic analyzer module to which the probes are connected. 8. Click the Set Thresholds button to display the threshold settings. Set the threshold for all channels to be 0.7 volts and close the Probes Threshold dialog box. 9. Click the Show Activity button to display the [...]

  • Page 42

    Service Information 32 P6434 Probe Instructions[...]

  • Page 43

    P6434 Probe Instructions 33 Replaceable Parts This chapter contains a list of the replaceable components for the P6434 Probe. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local T ektronix field office or representative. Changes to T ektronix products are sometimes mad[...]

  • Page 44

    Replaceable Parts 34 P6434 Probe Instructions Parts list column descriptions Column Column name Description 1 Figure & index number Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow . 2 T ektronix part number Use this part number when ordering replacement parts from T ektronix. 3 and[...]

  • Page 45

    Replaceable Parts P6434 Probe Instructions 35 Manufacturers cross index Mfr . code Manufacturer Address City , state, zip code 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500 BEA VERTON, OR 97077–0001 00779 AMP INC. CUSTOMER SER VICE DEPT PO BOX 3608 HARRISBURG, P A 17105–3608 0GV90 GLOBTEK INC 186 VETERANS DRIVE NORTHV ALE, NJ 07647–23[...]

  • Page 46

    Replaceable Parts 36 P6434 Probe Instructions Replaceable parts list (cont.) Fig. & index number Mfr . part number Mfr . code Name & description Qty Serial no. discont’d Serial no. effective T ektronix part number –14 2 PULL CORDS 1 KIT INSTRUCTIONS 1 18-9478-01 1 SERVICE KIT ; CONNECTOR P AR TS INCLUDES: 80009 1 18-9478-01 –5 2 ELAST[...]

  • Page 47

    Replaceable Parts P6434 Probe Instructions 37 The cable kits are not interchangeable. Be sure to order the correct kit number for items 7 or 8. 1 2 3 4 5 6 7 Pin 1 side Pin 38 side 8 9 10 11 12 13 14 15 16 17 Pin 1 Figure 27: P6434 probe exploded view[...]

  • Page 48

    Replaceable Parts 38 P6434 Probe Instructions[...]