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Service Manual TLA 704 Color Portable Mainframe 070

1. J 2 rows of pins J 1 rows of pins Loer gt eoocoooooooooooooooooooooooooOooO c 7 E e HN OHonnnnnnnonononnonnnnnnnonononane S by wo N N o a o a o o E gt 6 EEE EEE c 00 e ioi UNO RE LONE eons AN Qumesss2025025n00n0000s02052052055005005 LS N N on a e a o a o a o ul a o ogv Figure 6 17 Location of J1 and J2 pins within the portable mainframe If you have completed all of the troubleshooting procedures up to this point and the TLA 700 application fails to display any modules in the System Window you may have a system problem Check for the following m Verify that all modules are properly installed in the portable mainframe m Verify that the module address switches are set correctly Power off the portable mainframe and remove the modules Set the address switches to FF and reinstall the modules m
2. 6 42 BIOS Setup Error 6 51 Update the BIOS Version 00 eee cee eee 6 53 Adjustment After Repair 8 6 56 Repackaging Instructions 6 57 Options Options and Upgrade 7 1 Electrical Parts List Electrical Parts List vo enr a Re ere sers tten Etras 8 1 Diagrams Diagrams voe Rer ds a in Ata a 9 1 Replaceable Parts List Standard Accessories 10 1 Optional Accessories lees II 10 3 Parts Ordering Information ee 10 4 Common Replaceable Parts 10 5 Using the Replaceable Parts List 10 6 il TLA 704 Color Portable Mainframe Service Manual Table of Contents List of Figures Figure 1 1 Front and side views of TLA 704 Color Portable Mainframe bc e a aed Bo ae we RR KS 1 12 Figure 2 1 TLA 704 Color Portable Mainframe front panel 2 2 Figure 2 2 TLA 704 Color Portable Mainframe rear panel 2 3 Figure 2 3 Typical System window eese 2 7 Figure 3 1 TLA 704 Color Portable Mainframe major components block diagram erre rent eee eer mb ge hg 3 1 Figure 6 1 External parts 6 8 Figure 6 2 Front cover and trim ring removal
3. 9 Q 4 o PN p Lt v Q Sse b N SS Interface m S Backplane board SS board 24 x A d Controller Q V ENI shield board d Su m ee d Figure 6 13 Internal parts Controller Board You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the controller board 1 Locate the controller board in the locator diagram Internal parts Figure 6 13 on page 6 29 2 Setthe mainframe so the bottom is on the work surface and the left side faces you 3 Do the Left Side Cover removal procedure page 6 16 TLA 704 Color Portable Mainframe Service Manual 6 29 Removal and Installation Procedures 6 30 Installation Remove the eight screws securing the EMI shield to the chassis see Figure 6 13 on page 6 29 and then lift off the EMI shield Detach the three cables located near the bottom front corner of the controller board Remove the center screw from the controller board Remove the two screws securing the controller board to the chassis at the back panel Pull firmly on the rear panel until the controller board disconnects from the backplane board Use the following procedure to reinstall the controller board 1 6 Reposition the controller board and then push firmly on the AT bus connector until the board is fully seated in the connectors on the backplane board Inser
4. gt 4 V into open circuit Von gt 2 V into 50 Q to ground Vo 0 7 V sinking 10 mA Output Modes User definable active true low or active true high Output Bandwidth Signal 1 2 50 MHz square wave minimum Active Period Signal 3 4 10 MHz square wave minimum The output bandwidth only applies to signals from the modules not round trip signals into the External Signal Input and back outthe External Signal Output Outputs signals during valid acquisition periods resets signals to false State between valid acquisitions via software Output Protection Intermodule Signal Line Bandwidth 1 8 Short circuit protected to ground Minimum bandwidth over which the intermodule signals are specified to operate correctly Signal 1 2 ECLTRGO 1 50 MHz square wave minimum Signals 3 4 TTLTRGO 1 10 MHz square wave minimum TLA 704 Color Portable Mainframe Service Manual Specifications Table 1 6 AC power source Characteristic Source Voltage and Frequency Description 90 Vnus to 250 Vnus 45 Hz to 66 Hz continuous range CAT Il 100 Vnus to 132 Vnus 360 Hz to 440 Hz continuous range CAT II Fuse Rating 90 V 250 V Operation 159 0046 00 90 V 250 V Operation 159 0381 00 Maximum Power Consumption UL198 CSA C22 2 0 25 in x 1 25 in FastBlow 8 A 250 V IEC 127 Sheet 1 5 mm x 20 mm FastBlow 6 3 A 250 V 600 W line power maximum Steady State Input Current 6 Arms maximum
5. 039 0031 02 039 0038 00 039 0038 01 039 0038 02 346 0128 00 174 3530 00 156 7501 00 156 7503 00 337 4032 00 Order by Mfr Number Number Order by Number Number Order by Mfr Part Order by Mfr Par fr Part PART OF ITEM 3 Serial No Effective B010100 B010901 B011980 B010100 B010901 B011980 Serial No Discont d B010900 B011979 B010900 B011979 Qty Name amp Description BACK PLANE 4 SLOT BACKPLANE ASSY VXI SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR CONTROLLER SINGLE BOARD PENTIUM CONTROLLER W VXI INTERFACE SAFETY CONTROLLER CONTROLLER SINGLE BOARD PENTIUM CONTROLLER W VXI INTERFACE SAFETY CONTROLLER CONTROLLER SINGLE BOARD PENTIUM CONTROLLER W VXI INTERFACE SAFETY CONTROLLER CONTROLLER BD SINGLE BOARD 32MB PENTIUM CONTROLLER W VXI INTERFACE MAX OPTION 15 ONLY CONTROLLER BD SINGLE BOARD 32MB PENTIUM CONTROLLER W VXI INTERFACE CONTROLLER BD SINGLE BOARD 32MB PENTIUM CONTROLLER W VXI INTERFACE STRAP TIEDOWN E 8 0 L X 0 1 W NYLON CA ASSY SP RIBBON IDC 28 1MM 8 0 L 2X25 0 079C TR 2MM BOTH ENDS SAME SIDE IC MEMORY CMOS DRAM 2MEG X 32 60NS EDO 5 V 5T1322004A 60G 725IMM GOLD PLATED IC MEMORY CMOS DRAM 4MEG X 32 60NS EDO 5VOLTS MT8D432G 6X 72SIMM GOLD OPTION 15 ONLY SHIELD ELECT SHIELD ELECT PROCESSOR ALUM ZEUS CONNECTOR SUB MINIATURE LPT SERIAL PORT
6. 1 10 TLA 704 Color Portable Mainframe Service Manual Specifications Table 1 9 Cooling Characteristic Cooling System Description Forced air circulation negative pressurization utilizing six fans operating in parallel Cooling Clearance Table 1 10 Environmental Characteristic Atmospherics Temperature no media in floppy drive 2 inches 51 mm sides and rear unit should be operated on a flat unobstructed surface Description Operating 59 C to 450 C 15 C hr maximum gradient non condensing Derated 1 C per 1000 feet 305 m above 5000 feet 1524 m altitude Nonoperating 20 C to 460 C 15 C hr maximum gradient non condensing Relative Humidity no media in floppy drive Operating 20 to 80 relative humidity non condensing Maximum wet bulb temperature 29 C derates relative humidity to 22 at 50 C Nonoperating 8 to 80 relative humidity non condensing Maximum wet bulb temperature 29 C derates relative humidity to 22 at 450 C Altitude Operating To 10 000 ft 3040 m Derated 1 C 1000 ft 305 m above 5000 ft 1524 m altitude Nonoperating To 40 000 ft 12 190 m Dynamics Random Vibration Three axis 30 minutes total 10 minutes per axis without V I instrument modules installed or with instrument modules installed but not exceeding 5 lbs slot Operating 0 27 gnus total from 5 Hz to 500 Hz Nonoperating 2 28 gnus total from 5 Hz to 500 Hz Mechanical Sh
7. 6 10 Figure 6 3 Front panel control assembly removal 6 1 Figure 6 4 Flat panel display assembly removal 6 13 Figure 6 5 Top and side cover removal 6 16 Figure 6 6 Line cord and line fuse removal 6 19 Figure 6 7 Power supply removal 6 20 Figure 6 8 Rear chassis fan tray removal 6 22 Figure 6 9 Individual fan removal eee 6 24 Figure 6 10 Flip stand and rear feet removal 6 25 Figure 6 11 Cord wrap feet removal ee 6 26 Figure 6 12 Handle removal 6 27 Figure 6 13 Internal 6 29 Figure 6 14 Front panel control assembly parts locations 6 35 Figure 6 15 Primary troubleshooting tree 6 43 Figure 6 16 Jumper locations for bypassing front panel control assembly ii a aa iaa 6 46 Figure 6 17 Location of J1 and J2 pins within the portable mainframe 2 2 29 99x ed UU E ER S 6 48 Figure 6 18 ResMan32 program output 6 50 Figure 6 19 BIOS jumper location 6 54 Figure 9 1 Interconnection diagram ee 9 1 Figure 9 2 Block diagram 9 2 Figure 10 1 External parts 10 9 Figure 10 2 Front panel display an
8. CONNECTOR PELTOLA TO BNC SET OF FOUR CONNECTOR 15 PIN SVGA OUTPUT A CONNECTOR 9 PIN RS 232 MALE REAR PANEL OPTION 15 ONLY OPTION 1S ONLY Mfr Code TK2157 OKBO1 OLOL7 OLOL7 01017 01017 01017 01017 06383 80009 6Y 440 6Y 440 80009 OLOL7 OLOL7 OLOL7 OLOL7 Mfr Part Number 118 9160 00 ORDER BY DESCRIPTION OBD OBD OBD OBD OBD OBD PLT2M 174 3530 00 MT16D232G 6X MT8D432G 6X 337 4032 00 40 0272 01 44 0153 01 40 0030 00 40 0019 00 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List 1170000000000 PARAR LOU PHOTO ARAN Controller board interface board and EMI shield Figure 10 4 10 15 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Replaceable Parts List Fig amp Index Tektronix Part Serial No Serial No Mfr Number Number Effective Discontd Qty Name amp Description Code Mfr Part Number 5 1 441 2075 00 1 CHASSIS MAIN MAIN CHASSIS ZEUS UPITER 80009 441 2075 00 2 436 0296 00 1 TRAY FAN CHASSIS ASSY W FANS MOUNTED ZEUS 80009 436 0296 00 3 119 5522 00 6 FAN DC TUBEAXIAL 24V 4 3W 3200R PM 54 7CFM 92MM X 001 6 3610KL 05W 850 25 4MM 41DBA RIBBED MOUNTING FLANGE W L00 4 386 0076 00 2 PLATE CMPNT NTG PLATE FAN MOUNT 80009 386 0076 00 5 211 0895 00 2 SCREW MACH M2 6 X 0 45 X 8MM PHILLIPS PNH ZINC 0KB01 211
9. Inrush Surge Current Power Factor Correction On Standby Switch and Indicator 70 A maximum Yes Front Panel On Standby switch with LED indicator located next to switch The power cord provides main power disconnect Table 1 7 Secondary power Characteristic DC Voltage Regulation Description Voltage Vmin Vnom Vmax 24 V 23 28 V 24 24 V 25 20 V 12 V 11 64 V 12 12 V 12 60 V 5 V 4 875 V 5 063 V 5 250 V 2V 210V 2 00 V 1 90V 52V 5 460 V 5 252V 5 044 V 12V 12 60 V 12 12 V 11 64 V 24 V 25 20 V 24 24 V 23 28 V TLA 704 Color Portable Mainframe Service Manual Specifications Table 1 8 Certifications and compliances TLA 704 Color Portable Mainframe 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 J ournal of the European Communities EN 55011 Class A Radiated and Conducted 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 Tektronix Inc claims compliance to EMC Directive 89 336 EEC for the following products when used with the above named mainframes TLA 700 Series Logic Analyzer Modules TLA 7L1 TLA 7L2 TLA 7L3 TLA 714 TLA
10. In addition to Power on Diagnostics the TLA 704 Portable Mainframe also contains mainframe diagnostics and QAPlus Win diagnostics for the PC hardware For more information about diagnostics refer to the Maintenance chapter TLA 704 Color Portable Mainframe Service Manual SSS Theory of Operation This section provides a brief overview of the theory of operation for the portable mainframe Figure 3 1 shows a functional block diagram of the major compo nents Controller Board Color flat Front panel Glide point PC Cards SVGA COM LPT panel display keypads amp knobs pointing device amp trigger signal ports PCI to backplane VTC Trig PC Controller Hard disk Floppy disk drive drive External mouse amp keyboard Backplane Power supply Figure 3 1 TLA 704 Color Portable Mainframe major components block diagram Portable Mainframe The portable mainframe contains the following major components m Power supply m Backplane m Controller Board m Front Panel Interface Board m Front Panel Controls Board m Color Flat Panel Display TLA 704 Color Portable Mainframe Service Manual 3 1 Theory of Operation Power Supply Backplane Controller Board m Front Panel Keypads and Knobs m Glidepoint Pointing Device m Hard Disk Drive m Floppy Disk Drive W Mechanical Chassis The power supply provides all voltages and currents to the portable mainframe The power supply connects to the backplane at P400 and
11. Possible cause 1 Monitor cable defective or not connected to mainframe 2 External monitor controls turned down 3 Defective monitor External monitor blank if present BIOS error message See BIOS error code Table 6 6 on page 6 51 Figure 6 15 Primary troubleshooting tree TLA 704 Color Portable Mainframe Service Manual Consult the troubleshooting section of your Microsoft Windows 95 manual Windows95 Boots Run QAPlus WIN see page 6 45 for instructions Passes all Repair replace failed part tests identified by QAP lus WIN Yes Run TLA 700 mainframe diagnostics see page 6 46 for instructions Passes all Controller board tests defective Yes Y Ifthe TLA 700 Application is not already running start itfrom the Start menu TLA Reinstall TLA software Application starts see Installation manual Yes Done 6 43 Troubleshooting Controller PC The primary diagnostics for the portable mainframe are the power on diagnos Diagnostics tics the QAPlus Win diagnostics and the TLA 700 mainframe diagnostics Procedures for running these diagnostics are described below Power on Diagnostics The power on diagnostics check the basic functionality of the mainframe at every power on If any failures occur at power on the screen displays the calibration and diagnostics property page Table 6 3 lists a subset of the p
12. A 0 0 ResMan32 will not close the text window after executing and displaying the results the major functions default p P ResMan32 will not execute the mainframe power on self test diagnostics default v V ResMan32 records the resource manager actions in the text window in a short form or nonverbose mode a A 0 ResMan32 will terminate the tests and display the resultant action information in the text window p P ResMan32 will perform the mainframe power on self test diagnostics ResMan32 records all actions in a text window in the verbose mode default HW ResMan32 will not display the text window and the tests will terminate after executing regardless of the error conditions m M ResMan32 displays in a minimized window 1 Quit the TLA 700 application and any other applications on the desktop 2 Click on the Window 95 Start button and select Run 3 In the dialog box enter the following path C Program Files TLA 700NSystemNResMan32 exe 4 Click on OK TLA 704 Color Portable Mainframe Service Manual 6 49 Troubleshooting The ResMan32 will check all of the installed modules and their address locations The program will print out data similar to that in Figure 6 18 In this example the portable mainframe has two logic analyzer modules installed Both modules were properly configured and the resources were successfully configured If ResMan32 encounters any errors such as an unsupported instrument or a
13. do the next step if you are replacing the line cord only skip to step 4 Find the fuse cap on the right side cover See Figure 6 6 on page 6 19 Remove the fuse cap by turning it counterclockwise using a flat bladed screwdriver and then remove the line fuse Find the line cord on the right side cover See Figure 6 6 on page 6 19 Unplug the line cord from its receptacle Grasp the line cord on either side of the line cord retaining clamp Rotate the line cord 90 degrees counterclock wise Pull the line cord and clamp away from the side panel mounting hole to complete the removal Installation Use the following procedure to reinstall the line fuse and line cord 1 6 18 If you are replacing the line fuse insert it into the line fuse receptacle If you are not replacing the line fuse skip to step 3 Replace the fuse cap by turning it clockwise using a flat bladed screwdriver Insert the line cord and retaining clamp into the mainframe side panel mounting hole with the line cord oriented up and down Rotate the line cord 90 degrees counterclockwise Plug the line cord into its receptacle TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures 1 Unplug Line fuse Le Fuse cap Figure 6 6 Line cord and line fuse removal Power Supply You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure
14. 0895 00 YELLOW 6 351 0979 00 2 GUIDE CARD GUIDE DIN 41612 ACCOM C MALE FRONT 6V439 043 520 PANEL 3 X 32 7 348 1365 01 1 SHLD GSKT ELEC SYMMETRICAL SLOTTED FINGER 0 350 2647 0493 0069 01 W X 7 5 L RIVIT MTG SNAP IN RIVIT SPACING 1 5 IN 8 441 2093 00 1 CHASSIS CHASSIS BRACE WITH EMI GASKET 80009 441 2093 00 9 159 0046 00 1 FUSE CARTRIDGE 3AG 8A 250V 15SEC CER 71400 ABC 8 9 159 0381 00 1 FUSE CARTRIDGE 5 X 20 MM 6 3A 250V FAST BLOW HIGH 71400 GDA 6 3 BREAKING CAPACITY UL REC SEMKO 10 200 2264 00 1 CAP FUSEHOLDER 3AG FUSES 61935 FEK 0311666 10 200 2265 00 1 CAP FUSEHOLDER 5 X 20MM FUSES 61935 031 1663 11 367 0477 00 1 HANDLE CARRYING DUALDUROMETER MOLDED HANDLE 12136 3170 POLYPROPYLENE HANDLE VINYL GRIP SECTION 12 407 4459 00 1 BRACKET HANDLE BRACKET PLASTIC 80009 407 4459 00 13 211 0721 00 6 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX 0KB01 ORDER BY DR DESCRIPTION 14 119 4933 00 B010100 B010762 1 POWER SUPPLY POWER SUPPLY ASSY ZEUS 1GM54 119 4933 00 14 119 4933 01 B010763 1 POWER SUPPLY POWER SUPPLY ASSY ZEUS 1GM54 119 4933 01 15 020 2205 00 2 NUTBAR SET SCREWS 10 16 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Figure 10 5 Power supply handle and fan 10 17 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List 10 18 TLA 704 Color Portable Mainframe Service Manual
15. 5 Top and side cover removal Left Side Cover No screws attach the left side cover to the mainframe However you must loosen the two screws closest to the left side of the bottom cover in order to remove the left side cover You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the left side cover 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 2 Do the Top Cover removal procedure on page 6 15 6 16 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures 3 4 Loosen the two screws on the bottom cover closest to the left side of the mainframe See Figure 6 2 on page 6 10 Remove the left side cover Installation Use the following procedure to reinstall the left side cover 1 2 3 Right Side Cover Reposition the left side cover Tighten the two bottom cover screws nearest the left side of the mainframe Do the Top Cover installation procedure page 6 15 You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the left side cover 1 Uode Se d Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 Remove any installed modules from the portable mainframe Do the
16. 700 Series Performance Verifica tion and Adjustment Technical Reference Manual The TLA 700 Series Logic Analyzer User Manual and TLA 700 Online Help The TLA 711 Color Benchtop Chassis Service Manual The TLA 711 Color Benchtop Controller Service Manual The TLA 7Lx TLA 7Mx Logic Analyzer Service Manual The TLA 7Dx TLA 7Ex Digitizing Oscillo scope Service Manual Provides the basic installation instructions forthe TLA 700 Series Logic Analyzer Installation and removal of DSO Logic Analyzer and Benchtop Controller Modules Reinstallation of Windows 95 and TLA 700 software and firmware Replacing individual podlet cables in the logic analyzer probes Reformatting hard disk Performing periodic or after repair functional or performance verifications calibrations or certifications Provides performance verification certifica tion and adjustment procedures for the TLA 700 Series Logic Analyzer Performing periodic or after repair adjust ment Augments operating information found in chapter 2 of this manual Provides operating information on the TLA 700 Series Logic Analyzer Provides service information for the Isolating and correcting failures in the benchtop chassis benchtop chassis Provides service information forthe slotO Isolating and correcting failures in the controller in the benchtop mainframe benchtop controller Provides service information for the logic Isolating and correcting failures
17. 704 Color Portable Mainframe Service Manual 6 25 Removal and Installation Procedures Cord Wrap Feet Press tabs outward 6 26 You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the cord wrap feet 1 Set the mainframe so the bottom is on the work surface and the rear panel faces you 2 Do the Rear Chassis Fan Tray removal procedure page 6 21 3 Orient the chassis fan tray so that the cord wrap feet are on the bottom and the fans are on the top 4 Press outward to unlatch the two tabs that connect each cord wrap foot to the chassis fan tray See Figure 6 11 on page 6 26 5 Remove the cord wrap feet Cord wrap feet E Figure 6 11 Cord wrap feet removal Installation Use the following procedure to reinstall the cord wrap feet 1 Push the cord wrap feet into the holes in the rear chassis fan tray to snap them into position 2 Do the Rear Chassis Fan Tray installation procedure page 6 22 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Handle You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure You will also need a small flat bladed screwdriver Table 6 1 item 4 page 6 6 to allow you to remove the front panel trim ring prior to removing
18. Clean the On Standby switch using a dampened cleaning towel Do not spray or wet the switch directly TLA 704 Color Portable Mainframe Service Manual Maintenance CAUTION Avoid getting moisture inside the chassis during exterior cleaning use just enough moisture to dampen the cloth or swab Do not wash the front panel On Standby switch Cover the switch while washing the chassis Use only deionized or distilled water when cleaning Use a 75 isopropyl alcohol solution as a cleanser and rinse with deionized or distilled water Do not use chemical cleaning agents they may damage the chassis Avoid chemicals that contain benzene toluene xylene acetone or similar solvents Flat Panel Display TLA 704 Portable Mainframe display is a soft plastic display and must be Cleaning treated with care during cleaning fl CAUTION Improper cleaning agents or methods can damage the flat panel display Avoid using abrasive cleaners or commercial glass cleaners to clean the display surface Avoid spraying liquids directly on the display surface Avoid scrubbing the display with excessive force Clean the flat panel display surface by gently rubbing the display with a clean room wipe such as Wypall Medium Duty Wipes 05701 available from Kimberly Clark Corporation If the display is very dirty moisten the wipe with distilled water or a 7596 isopropyl alcohol solution and gently rub the display surface Avoid using
19. DRIVE WINCHESTER 2 5 IN 1 4GB 12MS IDE ST91420AG DISK DRIVE TOSHIBA 2 5 INCH 2 16GB HDD OPTION 15 ONLY CIRCUIT BD ASSY INTERFACE COLOR 389 2044 00 TESTED CA ASSY SP RIBBON FRONT PNL IDC 34 28 AWG 6 0 L 2X17 0 1CTR RCPT NON PLZ BOTH ENDS FLOPPY DRIVE CABLE CA ASSY SP RIBBON IDC 44 28 AWG 1MM 2X22 0 079 CTR 2MM RCPT W O STRAIN RELIEF BOTH ENDS 11 BRACKET FLOPPY DRIVE BRACKET SHEET METAL DISK DRIVE FLOPPY 3 5 INCH 1 44MB BLACK 0 5 INCH DSDD J U 226AXX1F DISK DRIVE FLOPPY 3 5 INCH 1 44MB BLACK 0 5 INCH DSDD FD 04 HF 2300 SCREW MACH M2 6 X 0 45 X 8MM PHILLIPS PNH ZINC YELLOW Mfr Code 80009 OKBO1 80009 80009 80009 80009 80009 80009 TK2469 80009 80009 TK2383 50356 0KB01 Mfr Part Number 407 4380 00 ORDER BY DESCRIPTION 119 5588 00 119 5683 00 119 5607 00 119 5683 00 119 5607 00 671 3489 00 174 3521 00 174 3406 00 407 4381 00 JU226AXX1F FD 04 HF2300 211 0895 00 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List 2 7 Figure 10 3 Floppy disk drive hard disk drive front panel interface board and related cables 10 13 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Replaceable Parts List Fig amp Index Number 4 1 2 10 11 12 10 14 Tektronix Part Number 118 9160 00 211 0721 00 039 0031 00 039 0031 01
20. Esc gt key to exit the Advanced Chipset Control submenu Select Exit and then select Save Continue with the regular boot up of the instrument Double click on the My Computer icon to launch it Double click on the Control Panel icon to launch it Double click on the Add New Hardware icon to launch it Click Next gt to continue a When the popup prompts you Do you want Windows to search for your new hardware click Yes Recommended b Click on Next gt to proceed and click Next gt again to confirm that you want to continue The Add New Hardware Wizard will take a few minutes to complete the task When the Add New Hardware Wizard completes its task click on the Details button and verify that Advanced power management support is listed Click Finish and close out of the Add New Hardware Wizard In the Control Panel double click on the Power icon to launch it Verify that there is a Power tab present in Power Properties Verify that the Allow Windows to manage power use on this computer is checked If it is not checked click on the little box to place a check mark there Click on Advanced Verify that the Show suspend command on Start menu is NOT checked If it IS checked click on it to remove the check mark Close the Power Properties text box and close the Control Panel Close out your Windows session by selecting Shut Down from the Windows menu TLA 704 Color Portable Mainframe Service Manual
21. In the asynchronous or internal clock mode this represents the delta time to the next sample clock beyond the minimum async rate of 4 ns In the synchronous or external clock mode this represents the time to the next master clock generated by the setup of the clocking state machine and the supplied SUT clocks and qualification data Signals 1 and 2 ECLTRGO 1 are limited to a broadcast mode of operation where only one source is allowed to drive the signal node at any one time That single source may be utilized to drive any combination of destinations TLA 704 Color Portable Mainframe Service Manual 1 5 Specifications Table 1 4 Front panel interface Characteristic QWERTY Keypad Description 31 key ASCII keypad to support naming of files traces and keyboard equivalents of pointing device inputs for menus HEX Keypad 25 key HEX keypad supporting standard DSO and LA entry functions Special Function Knobs Multi Function Knob Vertical Position Vertical Scale Various increment decrement functions Scrolling and positioning dependent on display type Scales waveform displays only Horizontal Position Horizontal Scale Integrated P ointing Device Scrolling and positioning dependent on display type Scales waveform displays only Vertically mounted glidepoint touchpad with three keypad control buttons DRAG SELECT and MENU Mouse Port PS 2 compatible mouse port utilizing
22. Insert the five screws that attach the flat panel display assembly to the mainframe two screws at the bottom of the assembly on the front of the instrument two screws on the top and one screw on the left side See Figure 6 4 on page 6 13 No tools are needed to remove or replace a front panel knob on the portable mainframe To remove a front panel knob grasp the knob and pull it straight out from the front panel To reinstall a knob align the knob to a shaft and push in as far as it will go Removing the bottom cover should only be necessary to assist you in gaining access to the bottom of the front panel trim ring or to replace a flip stand or rear foot You may also need to loosen the mounting screws on one side of the bottom cover to remove or replace either side cover or to remove the power supply You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Use the following procedure to remove the bottom cover 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 2 Set the mainframe with the cord wrap feet on the work surface and the bottom facing you 3 Remove the four screws that attach the bottom cover to the mainframe See Figure 6 2 on page 6 10 4 Lift bottom cover off TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Installation Use the following procedure to
23. Line Cord and Line Fuse removal procedure page 6 18 Do the Top Cover removal procedure page 6 15 Loosen the two screws on the bottom cover closest to the right side of the mainframe See Figure 6 2 on page 6 10 Remove the two screws that attach the right side cover to the power supply See Figure 6 5 on page 6 16 Remove the right side cover Installation Use the following procedure to reinstall the right side cover 1 The two screws near the right side of the bottom cover should be loosely fastened Reseat the right side cover in the groove of the bottom cover Insert the two screws that attach the right side cover to the power supply Tighten the two bottom cover screws nearest the right side of the mainframe TLA 704 Color Portable Mainframe Service Manual 6 17 Removal and Installation Procedures 5 6 7 Line Cord and Line Fuse Do the Top Cover installation procedure page 6 15 Do the Front Cover and Trim Ring installation procedure page 6 9 Do the Line Cord and Line Fuse installation procedure page 6 18 You will need a flat bladed screwdriver Table 6 1 item 4 page 6 6 to perform this procedure Removal Use the following procedure to remove the line cord and line fuse 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 Set the mainframe with the bottom on the work surface and the right side facing you If you are replacing the line fuse
24. MEE HERES 6 14 TLA 704 Color Portable Mainframe Service Manual i Table of Contents Bottom CO o ana a Da al 6 14 Top COVER a SS ga a gas bbe CS a a E e 6 15 Lett Sid COVENT A E tk OE A EO ERR 6 16 Right Side Cover iii Pigs A Bhs Ha A repere 6 17 Line Cord and Line Fuse o cece cece eee h nn 6 18 Power Supply roci e e tir e est ura e cr E eee EAN es USE oe PS E 6 19 Rear Chassis Ban Tray A AAA A 6 21 Individual Pans uc NA Re e RIDE AA IAEA RA VN LUE 6 23 Flip Stands and Rear Feet niinn or 6 25 Gord Wrap Feet ui A IA eS IA 6 26 6 27 Procedures for Internal Parts 6 28 Controller Board ici y RO AA IA 6 29 RAM SIMM Se pi ae TRI EDU ERREUR HV P 6 31 Backplane Board oo on RERO a ee ESQ 9 la 6 31 Floppy Disk Dives sine A Rk eS Oe A 6 32 Hard Disk Drive oia eR O AA A 6 33 Interface Board ia ore RA T CLA AAA IA A IA 6 34 Front Panel Control Board cn 6 34 Glidepoint Assembly eee eee eee eee 6 36 EJastomenc Keypad e oem de ae A NE ok ee as 6 36 Troubleshooting ts Si e Re ma ails RR eR ane State are 6 39 Check for Common Problems 640 Eliminate Other Problem Sources 641 Troubleshoot the TLA 704 Portable Mainframe
25. TLA 704 Color Portable Mainframe Service Manual 1 1 Specifications Characteristics Tables This section contains the complete specifications for the portable mainframe All specifications are warranted unless noted typical Typical characteristics describe typical or average performance and provide useful reference informa tion Specifications marked with the symbol are checked in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual Table 1 1 Internal controller Characteristic Classification Description Microsoft Windows 95 compliant Processor Intel 133 MHz Pentium PC AT configuration with an Intel 82430HX Triton 11 chip set Main Memory EDO DRAM Style Two 72 pin SIMMs gold plated Loading Symmetric 2 SIMM minimum 64 bits Speed 60ns Installed Configurations Cache Memory Flash BIOS 16 MByte minimum 32 MByte maximum 256 KByte Level 2 L2 write back cache 512 KByte Real Time Clock and CMOS Setups NVRAM Floppy Disk Drive Hard Disk Drive Real Time clock calendar with typical 10 year life Standard and advanced PC CMOS setups see BIOS specification Standard 3 5 inch 1 44 MByte PC compatible high density double sided floppy disk drive Standard PC compatible ATA Enhanced Integration Device Electronics EIDE hard disk drive Size MIN configuration 840 MByte MAX configuration 2 16 GByte Subject to change these are the storage capacities valid a
26. a mini DIN connector Keyboard Port PS 2 compatible keyboard port utilizing a mini DIN connector 1 6 TLA 704 Color Portable Mainframe Service Manual Specifications Table 1 5 Rear panel interface Characteristic LPT Parallel Interface Port Description 36 pin high density connector supports standard Centronics mode Enhanced Parallel Port EPP or Microsoft high speed mode ECP Complies with IEEE P1284 C D2 for bi directional Parallel P eripheral Interface for Personal Computers draft style 1284 C COM Serial Interface Port 9 pin male sub D connector to support RS 232 serial port SVGA Output P ort Type and Il PC Card Port Type I II and III PC Card Port System Trigger Input Input Destination Input Levels Input Mode 15 pin sub D SVGA connector Standard Type and II PC compatible PC card slot Complies with PCMCIA 2 1 and J EIDA 4 1 Standard Type Il and III PC compatible PC card slot TTL compatible inputs via rear panel BNC connectors System trigger TTLTRG7 22 0V Vu lt 0 8V TTL compatible input Falling edge sensitive latched active low Minimum Pulse Width 12 ns Active Period Maximum Input Voltage External Signal Input Accepts system triggers during valid acquisition periods via real time gating resets system trigger input latch between valid acquisition periods 0 to 5V peak TTL compatible inputs via rear panel BNC connectors Input Destinations
27. assembly parts locations Figure 6 14 page 6 35 2 Do the Front Panel Control Assembly removal procedure page 6 11 3 Do the Front Panel Control Board removal procedure page 6 34 Use the following procedure to reinstall the glidepoint assembly 1 Lay the glidepoint assembly face down on the work surface 2 Do the Front Panel Control Board installation procedure page 6 35 3 Do the Front Panel Control Assembly installation procedure page 6 12 You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Use the following procedure to remove the elastomeric keypad 1 Locate the keypad in the locator diagram Front panel control assembly parts locations Figure 6 14 on page 6 35 2 Do the Front Panel Control Assembly removal procedure page 6 11 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures 3 Do the Front Panel Control Board removal procedure page 6 34 4 Pull on the rubber pull points from the front to remove the keypad from the Front Panel Control Board Installation Use the following procedure to reinstall the keypad 1 Pull the rubber pull points through the Front Panel Control Board to install the keypad NOTE When replacing the top three keys next to the glidepoint assembly the rubber of the keypad should line up with the edge of the board 2 Do the Front Panel Control Board installation pr
28. bt ect ER b Rods og b ro epos xi Introduction 2o ebur eR E IT EE UD sins T xiii Adjustment and Certification Interval xiii Strategy for Servicing 0 eect eens xiii Service Offerings srn pe eee eR xr ER ER REY red xiv Contacting Tektronix 0 0 cece cece e xv Product Description E n 1 1 Characteristics Tables 2 1 2 Installation ve eee GR Ree x eR e ERR obe Noe RN dte 2 1 and Memory Hardware 2 1 Operating System and Application Interface 2 6 Diagnos 68 er ek pie al a BAR EE Aaa ra 2 8 Portable Mainframe 00 0 cece eee n 3 1 Performance Verification Performance Verification o 4 Adjustment Procedures Maintenance Adjustment Procedures sssi pt e 5 1 Prep ratiOn ba 6 1 Preventas ESD 4 2 43 ee ee EE 6 1 Inspection and Cleaning sse 6 2 Removal and Installation Procedures 6 5 Preparation Please Read 6 5 Procedures for External Parts 6 7 Front Cover and Trim Ring 0 e 6 9 Front Panel Control Assembly 6 11 Flat Panel Display Assembly 6 12 Front Panel Knobs wich ne pcs epe urbe eee i RES
29. excess force or you may damage the plastic display surface TLA 704 Color Portable Mainframe Service Manual 6 3 Maintenance 6 4 TLA 704 Color Portable Mainframe Service Manual SSS ee IU Removal and Installation Procedures This subsection contains procedures for removal and installation of all mechani cal and electrical field replaceable parts Preparation Please Read the Safety Summary found at the beginning of this manual Also to prevent possible injury to service personnel or damage to the portable mainframe read Installation in Chapter 2 and Preventing ESD on page 6 1 in this section T WARNING Before performing this or any other procedure in this manual read This subsection contains the following items Preparatory information needed to properly perform the procedures that follow m List of tools required to remove and disassemble all replaceable parts W Two parts locator diagrams for finding the External Parts see Figure 6 1 and Internal Parts see Figure 6 13 on page 6 29 in this mainframe W Procedures for removing and reinstalling field replaceable parts WARNING Before performing any procedure in this subsection disconnect the power cord from the line voltage source Failure to do so could cause serious injury or death List of Replaceable Parts Chapter 10 lists all replaceable parts TLA 704 Color Portable Mainframe Service Manual 6 5 Removal and Installation P
30. in the Logic analyzer modules Analyzer module Provides service information for the Isolating and correcting failures in the digitizing oscilloscope modules Digitizing Signal Oscilloscope module TLA 704 Color Portable Mainframe Service Manual xi Preface xii TLA 704 Color Portable Mainframe Service Manual A AAA Introduction This manual contains information needed to properly service the TLA 704 Color Portable Mainframe This introduction contains information critical to safe and effective servicing To prevent personal injury or damage to the portable mainframe 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 m Read the Preface beginning on page ix m Read Operating Information beginning on page 2 1 When using this manual for servicing be sure to follow all warnings cautions and notes Adjustment and Certification Interval Generally you should perform the adjustments and certification calibration described in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual once per year or following repairs that affect adjustment or calibration Strategy for Servicing This manual supports and contains information needed for periodic maintenance of the portable
31. mainframe This manual also supports and contains information for corrective maintenance of this product W supports isolation of faults to the failed circuit board or assembly level shown in the replaceable parts list of Chapter 10 m supports removal and replacement of those boards or assemblies m supports removal and replacement of fuse knobs chassis and other mechanical parts listed in the replaceable parts list This manual does not support component level fault isolation and replacement TLA 704 Color Portable Mainframe Service Manual xiii Introduction Service Offerings Warranty Repair Service xiv Calibration and Repair 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 TLA 704 Color Portable Mainframe Tektronix technicians train on Tektronix products they have access to the latest information on improvements to the TLA 704 Color Portable Mainframe as well as the latest new product upgrades Services are provided at Tektronix Services Centers and on site at your facility depending on your location 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 servi
32. nnnn may be defective Exchange the SIMMs if one of the SIMMs is defective the error address should change The BIOS failed the timer test The controller board may be Try rebooting the system first If this message defective keeps reappearing replace the controller board TLA 704 Color Portable Mainframe Service Manual Troubleshooting Update the BIOS Version On rare occasions it may be necessary to update the controller BIOS version In most cases this is only necessary to activate enhancements to the product To update the BIOS you will need the latest version of BIOS available on floppy disk Tektronix part number 063 2895 xx Before updating the BIOS verify that the BIOS version on the instrument is an older version than that printed on the floppy disk label Verify the BIOS Version The BIOS version is briefly displayed on boot up of the instrument To verify the BIOS version number power the instrument on and watch the upper left hand section of the screen A message will be displayed as below Copyright 1996 By RadiSys Corporation Version 1 xx xx RadiSys boot block version 1 xx xx Before continuing verify that the BIOS version that is displayed is an older version than the version you are installing The version number is listed on the software floppy diskette Verify the BIOS Jumper is Some controllers were shipped with the BIOS jumper already in place To verify in Place that you need to install a BIOS jumper
33. reinstall the bottom cover 1 2 Top Cover Reposition the bottom cover on the bottom surface of the portable main frame Insert the four screws that attach the bottom cover to the mainframe See Figure 6 2 on page 6 10 You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the top cover 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 Set the mainframe with the bottom on the work surface and the front facing you Unsnap the accessories pouch from the top cover Do the Front Cover and Trim Ring removal procedure on page 6 9 Remove the four screws that attach the top cover to the mainframe See Figure 6 5 on page 6 16 Lift the top cover off Installation Use the following procedure to reinstall the top cover 1 2 Reposition the top cover on the portable mainframe Insert the four screws that attach the top cover to the mainframe See Figure 6 5 on page 6 16 Do the Front Cover and Trim Ring installation procedure on page 6 9 Reattach the accessories pouch to the top cover It snaps on TLA 704 Color Portable Mainframe Service Manual 6 15 Removal and Installation Procedures Top cover Screws 4 A wwwwwwwwwwsws ROO ODA n JJ III umm Screws 2 Right side cover Figure 6
34. side panel by the mouse and keyboard ports 5 Grasp the top and bottom of the board slide the board to the right 1 toward the front panel control assembly and lift the board off Installation Use the following procedure to reinstall the interface board 1 Reposition the interface board on the mounting pegs and slide it to the left 1 e away from the front panel control assembly 2 Insert the two screws securing the interface board to the side panel 3 Reattach cables at J100 J101 and J102 4 Do the Display Assembly installation procedure page 6 14 Front Panel Control Board You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 and a flat bladed screwdriver or other small prying tool Table 6 1 item 4 page 6 6 to perform this procedure Removal Use the following procedure to remove the front panel control board 1 Locate the front panel control board in the locator diagram Front panel control assembly parts locations Figure 6 14 on page 6 35 2 Do the Front Panel Control Assembly removal procedure page 6 11 3 Remove the knobs from the front of the front panel control assembly 4 Detach the glidepoint cable at J100 6 34 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures 5 Remove the six screws that attach the front panel control board to the front panel control assembly Use rubber pull points to d remove attac
35. window provides an overview of the entire logic analyzer Use this window to navigate through the logic analyzer Figure 2 3 shows an example of the System window EJ System Gi Digital NIN Logic Oscilloscope Analyzer RE a5 3 o0n SE 3 RE Setur m OOff oso 1 unm Waveform 1 Listing 1 Figure 2 3 Typical System window The center of the System window displays icons that represent hardware modules installed in the portable mainframe The icons are links to the other windows in the instrument Trigger Window The Trigger window provides access to the logic analyzer trigger hardware You can specify the data patterns you want to acquire and how much data to acquire by defining the trigger setups in menus and dialogs Listing Window The Listing window displays acquired data as tabular text Each column of data represents one group 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 Waveform Window The Waveform window displays acquired data as graphical waveforms All defined channel groups display as busforms for the logic analyzer and as individual channels for the digitizing oscilloscope TLA 704 Color Portable Mainframe Service Manual 2 7 Operating Information Setup Window Online Help Diagnostics 2 8 A setup window exists for each module in t
36. 04 Color Portable Mainframe utilizes two 2 72 pin EDO DRAM memory SIMMs Single Inline Memory Module The SIMMs must have gold pins and must be loaded symmetrically in pairs The SIMM speed requirement is 60 ns minimum Memory requirements are the 16 MByte minimum configuration or the 32 MByte maximum configuration Operating System and Application Interface 2 6 The portable mainframe comes with the Windows 95 operating system factory installed Operations and capabilities when running on the portable mainframe are the same as with Windows 95 running on a high performance personal computer Windows Help is available from the Start menu of the Windows 95 Task Bar The Windows 95 software is included with the product See the software and the TLA 700 Series Installation Manual if you need to reinstall the Windows 95 application The portable mainframe also comes with the TLA 700 application software configured at the factory to launch after the logic analyzer boots up and Windows 95 is running The TLA 700 application software controls data acquisition and processing by the logic analyzer The TLA 700 application software is included with the product Refer to the TLA 700 Series Installation Manual if you need to reinstall the TLA 700 application software TLA 704 Color Portable Mainframe Service Manual Operating Information The topics that follow provide a brief overview of the TLA 700 application software System Window This
37. 109 Color flat panel display Glidepoint pointing device Figure 9 1 Interconnection diagram TLA 704 Color Portable Mainframe Service Manual 9 1 Diagrams Controller Board Color flat Front panel Glidepoint PC Cards SVGA COM EPP panel display keypads amp knobs pointing device amp trigger signal ports PCI to backplane VTC Trig PC Controller E Hard disk Floppy disk drive drive External mouse amp keyboard Backplane Power supply Figure 9 2 Block diagram 9 2 TLA 704 Color Portable Mainframe Service Manual EU AA Replaceable Parts List Standard Accessories This chapter contains a list of standard accessories optional accessories and replaceable parts for the portable mainframe Use this information to identify and order accessories and replacement parts The portable mainframe comes standard with the accessories listed in Table 10 1 Table 10 1 Standard accessories Accessory Part number Windows 95 keyboard US PS 2 mini DIN 119 5193 00 Mouse 3 button PS 2 mini DIN 119 4330 02 Accessory pouch 016 1441 00 Front panel cover 200 4279 00 Dual wide slot panel fillers 2 333 4206 00 Printer adapter cable 3 feet 012 1512 00 Windows 95 package software and manual QA Plus software 063 2506 00 TLA 700 application software 063 1967 00 J umper with pull tab 5 131 4356 00 TLA 700 Series Logic Analyzer User manual 070 9775 XX TLA 700 Series Logic Analyzer Installation
38. 35 6V439 6Y 440 71400 80009 80126 3109 5341 TK1163 TK1373 TK2157 TK2383 TK2469 TK2541 TK2647 Manufacturer PANDUIT CORP ELECTRI CORD MFG CO INC NMB TECHNOLOGIES INC STAUFFER SUPPLY CO RADISYS CORPORATION TOTAL TECHNOLOGIES LTD 3COM CORPORATION PHC INDUSTRIES INC PARLEX CORP ZYTEC CORP METHODE ELECTRONICS INC BELDEN WIRE amp CABLE COMPANY NEC ELECTRONICS INC TEAC AMERICA INC PANEL COMPONENTS CORP MICROSOFT CORPORATION SCHURTER INC ERNI COMPONENTS INC MICRON SEMICONDUCTOR PRODUCTS INC BUSSMANN DIV OF COOPER INDUSTRIES INC TEKTRONIX INC PACIFIC ELECTRICORD CO FELLER U S CORPORATION ALPS ELECTRIC CO LTD POLYCAST INC PATELEC CEM CONNECTOR TECHNOLOGY INC PANASONIC INDUSTRIAL CO UNITREK CORPORATION AMERICOR ELECTRONICS LTD INSTRUMENT SPECIALTIES CO INC Address 17303 RIDGELAND AVE 312 EAST MAIN STREET 9730 INDEPENDENCE AVE 810 SE SHERMAN 5445 NE DAWSON CREEK DRIVE 2110S ANNE ST 5353 BETSY ROSS DRIVE 1643 HADDON AVE PO BOX 1448 7 INDUSTRIAL WAY 7575 MARKET PLACE DR BACKPLAIN DIVISION 7444 WEST WILSON AVE 2200 US HWY 27 SOUTH PO BOX 1980 2880 SCOTT BLVD PO BOX 58062 7133 TELEGRAPH RD PO BOX 750 PO BOX 115 ONE MICROSOFT WAY DEPARTMENT 101 1016 CLEGG CT PO BOX 750158 12701 NORTH KINGSTON AVENUE 8000 S FEDERAL WAY PO BOX 6 114 OLD STATE RD PO BOX 1460 14150 SW KARL BRAUN DR PO BOX 500 747 WEST REDONDO BEACH PO BOX 10 72 VERONICA AV
39. 6 55 Troubleshooting 20 The instrument will close your Windows session and automatically power off Verify Operation Run the QAPlus WIN diagnostic software to verify that all of the functions of the controller are functioning correctly After running the QA Plus WIN diagnostics quit the application by selecting Restart MS Windows and clicking the OK button This guarantees that the TLA 700 returns to a stable state for normal operation Adjustment After Repair There are no adjustment procedures required after replacement of any part of the TLA 704 Color Portable Mainframe Power on the mainframe to ensure that it and any installed modules pass their power on diagnostics 6 56 TLA 704 Color Portable Mainframe Service Manual E H Repackaging Instructions If you need to send the portable mainframe to a Tektronix field center for repair attach a tag to the chassis with the owner name and address the serial number and a brief description of the problem s encountered or the service required Always return all accessories so that the entire system can be tested When repacking the chassis for shipment use the original packaging If the packaging is unavailable or unfit for use contact your local Tektronix representa tive to obtain new packaging TLA 704 Color Portable Mainframe Service Manual 6 57 Repackaging Instructions 6 58 TLA 704 Color Portable Mainframe Servi
40. 711 Color Benchtop Controller Service Manual 070 9778 XX TLA 7LX TLA 7MX Logic Analyzer Service Manual 070 9779 XX TLA 7DX TLA 7Ex Digitizing Oscilloscope Service Manual 070 9780 XX TLA 704 Color Portable Mainframe Service Manual 10 3 Replaceable Parts List Parts Ordering Information 10 4 Part Number Revision Level Module Servicing 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 m Part number see Part Number Revision Level below 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 Change information if any is located at the rear of this manual Tektronix part numbers contain two digits representing the revision level of the part For most parts in this manual you will find the letters XX in place of the revision level number Part Number Revision Level Revision Level May Show as XX AN AS 670 7918 03 670 7918 XX When you order parts Tektronix will provide you with the m
41. 7M1 TLA 7M2 TLA 7M3 TLA 7M4 TLA 700 Series Digitizing Oscilloscope Modules TLA 7D1 TLA 7D2 TLA 7E1 TLA 7E2 EC Declaration of Conformity Low Voltage Approvals Installation Category Descriptions Conditions of Approval IEC Characteristics Compliance was demonstrated to the following specification as listed in the Official J ournal of the European Communities Low Voltage Directive 73 23 EEC EN 61010 1 A2 1995 Safety requirements for electrical equipment for measurement control and laboratory use UL3111 1 Standard for electrical measuring and test equipment CAN CSA C22 2 No 1010 1 Safety requirements for electrical equipment for measurement control and laboratory use Terminals on this product may have different installation category designations The installation categories are CAT III Distribution level mains usually permanently connected Equipment at this level is typically in a fixed industrial location CAT II Local level mains wall sockets Equipment at this level includes appliances portable tools and similar products Equipmentis usually cord connected CATI Secondary signal level or battery operated circuits of electronic equipment Safety Certifications Compliances are made for the following conditions Temperature operation 5 C to 40 C Altitude maximum operation 2000 meters Equipmenttype Testand Measuring Installation Category II Pollution Degree 2 Safety Class
42. E UNIT 4 1 7 YUKIGAYA OHTS UKA CHO OHTA KU 9898 SW TIGARD ST 10156 TORINO 5065 E HUNTER AVE 1600 MCCANDLESS DR 3000 LEWIS amp CLARK HWY SUITE 2 UNIT H 2682 W COYLE AVE C O TEMCO NW 1336 SE 51ST STREET TLA 704 Color Portable Mainframe Service Manual City State Zip Code TINLEY PARK IL 60477 3048 WESTFIELD PA 16950 CHATSWORTH CA 91311 PORTLAND OR 97214 4657 HILLSBORO OR 97124 SANTA ANNA CA 92704 SANTA CLARA CA 95052 8145 CAMDEN NJ 08103 SALEM NH 03079 EDEN PRAIRIE MN 55344 CHICAGO IL 60656 4548 RICHMOND IN 47374 SANTA CLARA CA 95052 8062 MONTEBELLO CA 90640 6537 OSKALOOSA IA 52577 0115 REDMOND WA 98052 8300 PETALUMA CA 94975 0158 CHESTER VA 23831 BOISE ID 83707 0006 ST LOIUS MO 63178 BEAVERTON OR 97077 0001 GARDENA CA 90247 4203 SOMERSET NJ 08873 TOKYO J APAN TIGARD OR 97223 VAICENTALLO ITALY 62 456 ANAHEIM CA 92807 6001 MILPITAS CA 95035 VANCOUVER WA 98661 ELK GROVE VILLAGE IL 60007 HILLSBORO OR 97123 10 7 Replaceable Parts List Replaceable Parts List Fig amp Index Number 1 1 2 3 CO 11 12 10 8 Tektronix Part Number 016 1441 00 200 4275 00 211 0721 00 348 1479 00 348 1254 01 200 4233 00 200 4280 00 348 1515 00 200 4279 00 214 4718 00 101 0145 00 200 4232 00 Serial No Effective Serial No Discont d Qty Name amp Description 1 1 10 POUCH PLASTIC PLASTIC POUCH ZEUS CO
43. Failed fuse m Faulty power supply m Faulty backplane board m Faulty module Front panel light comes on m Faulty fan cable mainframe powers on but m Defective fan one or more fans will not operate m Faulty power supply Controller appears dead m SIMMs incorrectly installed or missing power light comes on but Defective controller board monitor screen s is are blank mainframe emits no beeps External monitor does not m Monitor power cord not plugged in m Failed fuse m Monitor failure External monitor powers on m External monitor controls turned down butis blank Monitor cable faulty or not connected to mainframe m Display selection jumper set incorrectly on front panel interface board m Monitor defective 6 40 TLA 704 Color Portable Mainframe Service Manual Troubleshooting Table 6 2 Failure symptoms and possible causes Cont Symptom Flat panel display blank Modules not recognized Possible cause s Display selection jumper set incorrectly on front panel interface board there are no jumpers on the board when the mainframe is shipped from the factory this is the correct default setting External monitor plugged in look on external monitor for display External monitor plugged in but not powered on Defective cable from front panel interface board to display adapter board Defective cable from controller board to front panel interface board Defective cable from inverter boa
44. MODULE ASSY KNOB CAP 0 650 DIA MACROBLEND DP 4 1368 KNOB CAP 0 925 DIA MACROBLEND DP 4 1368 GLIDEPOINT FRAME ASSY ACTUATOR ELASTOMERIC SWITCHMAT CIRCUIT BD ASSY FRONT PANEL 389 2042 00 TESTED OPTO PASSIVE LIGHT PIPE 0 14 DIA X 1 445 INCHES LONG CLEAR ACRYLIC Mfr Code OKBO1 80009 TK1163 TK1163 80009 80009 80009 80009 Mfr Part Number ORDER BY DESCRIPTION 614 0932 00 366 0771 00 366077000 650 3574 00 214 4703 00 671 3487 00 352 1063 00 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Figure 10 2 Front panel display and control assemblies TLA 704 Color Portable Mainframe Service Manual 10 11 Replaceable Parts List Replaceable Parts List Fig amp Index Tektronix Part Serial No Serial No Number Number Effective Discont d 3 1 407 4380 00 2 211 0721 00 3 119 5588 00 B010100 B010761 3 119 5683 00 B010762 B011207 3 119 5607 00 B011208 B011290 3 119 5683 00 B011291 3 119 5607 00 4 671 3489 00 5 174 3521 00 6 174 3732 00 7 174 3406 00 8 407 4381 00 9 119 5528 01 B010100 B010900 9 119 5677 00 B010901 10 211 0895 00 10 12 Qty Name amp Description 1 4 BRACKET HARD DRIVE BRACKET SHEET METAL SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR DISK DRIVE WINCHESTER 3 5 840MEG 14MS IDE ST9840AG DISK DRIVE WINCHESTER 2 5 IN 1 4GB 12MS IDE ST91420AG DISK DRIVE TOSHIBA 2 5 INCH 2 16GB HDD DISK
45. Manual Removal and Installation Procedures Front Cover and Trim Ring You will need a flat bladed screwdriver or other small prying tool Table 6 1 item 4 page 6 6 to remove the trim ring Removal Use the following procedure to remove the front cover and trim ring 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 Set the mainframe with the cord wrap feet on the work surface and the bottom facing you Grasp the front cover by its left and right edges and snap it off the front panel See Figure 6 2 on page 6 10 Do the Bottom Cover removal procedure on page 6 14 to remove the bottom cover Grasp the trim ring by its bottom edge and pull toward you to detach the three plastic snaps Alternatively you can use a flat bladed screwdriver or other small prying tool to help you detach the snaps Then swing the bottom of the ring upward and work the rest of the ring off the front panel Installation Use the following procedure to replace the front cover and trim ring 1 Do the Bottom Cover installation procedure on page 6 14 to replace the bottom cover Replace the trim ring on the front panel Start at the top edge and work around to the bottom until the three plastic snaps engage Press the trim ring down all around the edges until it is completely seated Press the front cover back onto the front panel until the left and right edges snap into place TLA 704 Color P
46. P401 The backplane supports up to four C sized TLA 700 slots for support of instrument modules The backplane also connects the power supply secondary to the remainder of the system including the fans distributes the precision 10 MHz CLK10 system clock and supports all communication to from and between the instrument modules The Controller Board provides the portable mainframe with a high performance PC based controller architecture including graphics and I O and interfaces to the backplane bus and front panel The Controller Board mounts vertically on the left side of the instrument and connects to the back of the backplane via a P1 P2 interconnect The Controller Board also provides I O to the rear panel and is the source of the 10 MHz CLK10 system clock The PC controller features a Pentium 133 MHz processor with either 16 or 32 MBytes of EDO DRAM 256 KBytes of L2 cache and 512 KBytes of flash based BIOS A Cirrus Logic PCI to PCMCIA PC CARD Host Adapter ASIC controls the two PC card slots A Cirrus Logic Viking display controller with 1 MByte of DRAM supports the flat panel display and an external SVGA port One ECP EPP Centronics compatible parallel port and two 16550 based serial RS 232 COM ports one external support standard PC based I O peripherals A Tektronix designed ADG343 CMOS ASIC manages the PCI to backplane interface supporting DMA transfers with FIFO IRQ management program mable byte swapping addre
47. Removal Use the following procedure to remove the power supply 1 Locate the power supply in the diagram Power supply removal Figure 6 7 on page 6 20 2 Do the removal procedures for Bottom Cover page 6 14 Top Cover page 6 15 and Right Side Cover page 6 17 TLA 704 Color Portable Mainframe Service Manual 6 19 Removal and Installation Procedures 07 7_ 8 27 Remove screws 4 i EMI shield Power supply Power supply panel Remove screws 4 Y OOOO oa REO 7 RO Remove screws 2 Right side cover a Remove power supply screws 4 Remove corner screws 4 gt Figure 6 7 Power supply removal 3 Remove the four screws from the right side and the four screws from the bottom that secure the power supply to the chassis 4 Pull on the handle to remove the power supply from the chassis 5 Remove the handle and power supply panel before packaging the power supply for exchange NOTE Replacement power supplies do not come equipped with a power supply panel or handle 6 20 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Installation Use the following procedure to reinstall the power supply 1 Rear Chassis Fan Tray Install the power supply panel and handle onto the replacement power supply Insert the power supply into the chassis Press firmly to make sur
48. Service Manual Tektronix TLA 704 Color Portable Mainframe 070 9777 02 This document applies to TLA 700 application software version 1 00 and above Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service CE 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 Commercial Computer Software Restricted Rights clause at FAR 52 227 19 as applicable Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc Windows and Windows 95 are trademarks of Microsoft Corporation WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects i
49. Signal 1 2 ECLTRGO 1 Signal 3 4 TTLTRGO 1 Input Levels 22 0V Vu lt 0 8V TTL compatible input Maximum Input Voltage Input Mode Input Bandwidth Active Period TLA 704 Color Portable Mainframe Service Manual 0 to 45V peak Active true low level sensitive Signal 1 2 50 MHz square wave minimum Signal 3 4 10 MHz square wave minimum Input bandwidth only applies to signals to the modules not round trip signals into the external signal input and back out the external signal output Accepts signals during valid acquisition periods via real time gating Specifications Table 1 5 Rear panel interface Cont Characteristic System Trigger Output Source Selection Description TTL compatible outputs via rear panel BNC connectors System trigger TTLTRG7 Output Levels Source Mode Active Period 50 O back terminated TTL output Voy gt 4 V into open circuit Von gt 2 V into 50 Q to ground Vo 0 7 V sinking 10 mA Falling edge sensitive Outputs system trigger state during valid acquisition period resets system trigger outputto false state and resets output latch between valid acquisitions via software Output Protection Short circuit protected to ground External Signal Output Source Selection TTL compatible outputs via rear panel BNC connectors Signal 1 2 ECLTRGO 1 Signal 3 4 TTLTR GO 1 10 MHz clock CLK10 Output Levels 50 O back terminated TTL output
50. VER TOP PLASTIC TOP COVER ZEUS SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR FOOT REAR PLASTIC REAR FOOT ZEUS PAD FOOT TEK BLACK SANTOPRENE COVER RIGHT COVER COSMETIC RIGHT COVER BOTTOM COVER 0 050 SHEET METAL ALUM FOOT CABINET BLACK PLASTIC 63 526 SET OF 4 COVER FRONT FRONT PROTECTIVE ABS TEK BLUE ACTUATOR SWITCH ACTUATOR ON STANDBY TRIM RING FRONT TRIM RING PLASTIC COVER LEFT COVER COSMETIC LEFT Mfr Code 80009 80009 OKBO1 80009 80009 80009 80009 80009 80009 80009 80009 80009 Mfr Part Number 016 1441 00 200 4275 00 ORDER BY DESCRIPTION 348 1479 00 348 1254 01 200 4233 00 200 4280 00 348 1515 00 200 4279 00 214 4718 00 101 0145 00 200 4232 00 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List 0 Doce of WHEE M 4 QUE ey Lec EREIN Loy OLC e CR aa 10 9 TLA 704 Color Portable Mainframe Service Manual Figure 10 1 External parts Replaceable Parts List Replaceable Parts List Fig amp Index Number 2 1 2 A Ww 10 10 Tektronix Part Number 650 3587 00 211 0721 00 614 0932 00 366 0771 00 366 0770 00 650 3574 00 214 4703 00 671 3487 00 352 1063 00 Serial No Effective Serial No Discont d Qty Name amp Description 1 9 FLAT PANEL DISPLAY ASSEMBLY SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR FRONT PNL ASSY FRONT PANEL
51. Verify that the modules do not have the flash programming jumper installed on the rear of the module Power off the portable mainframe and remove the modules Remove the jumper and reinstall the modules m Try placing a suspected module in a different slot to verify slot dependency problems For example if you have a single module in slots 0 and 1 power off the mainframe move the module to slots 1 and 2 and try the tests again If the module works in the new location you have identified a faulty slot in the mainframe W Check for bent or broken pins on the backplane of the portable mainframe TLA 704 Color Portable Mainframe Service Manual Troubleshooting Faulty module Replace the suspected faulty module with a known good module or contact your local Tektronix service center Incompatible module firmware and mainframe software versions Refer to the TLA 700 Series Installation Manual for software and module firmware update instructions Ensure that the CMOS Setup parameters are set correctly refer to Appen dix B of the TLA 700 Installation Manual for a list of the correct setups Check for computer viruses You can also execute the internal resource manager program ResMan32 exe to identify if any of the installed modules are being identified in the mainframe slots Table 6 5 lists some of the command line options for executing ResMan32 Table 6 5 Command line options for ResMan32 Option Description a
52. able mainframe will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 2 page 6 6 to perform this procedure the following procedure to remove the floppy disk drive Locate the floppy disk drive in the locator diagram Internal parts Fig ure 6 13 on page 6 29 Do the Display Assembly removal procedure page 6 12 Detach the data cable from J103 on the interface board Remove the two screws securing the floppy disk drive to the chassis Remove the floppy disk drive Remove the cable from the floppy disk drive the following procedure to reinstall the floppy disk drive Attach the data cable to the floppy disk drive Reposition the disk drive Insert the two screws securing the floppy disk drive to the chassis TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures 4 5 Hard Disk Drive Attach the data cable to J103 on the interface board Do the Display Assembly installation procedure page 6 14 You will need a screwdriver with a size T 15 Torx tip and a size T 10 Torx tip Table 6 1 items 1 2 and 3 page 6 6 to perform this procedure Removal Use the following procedure to remove the hard disk drive 1 Locate the hard disk drive in the locator diagram Internal parts Figure 6 13 on page 6 29 Do the Display Assembly removal procedure page 6 12 Detach the cable at the bottom of the hard disk drive by pressing down away from the hard disk drive on th
53. ad and five front panel knobs The keypads are active simultaneously with the standard external keyboard QWERTY Keypad The QWERTY keypad is useful for file naming and other operations where a complete alphabetic character set is needed Hexadecimal Numeric Keypad The hexadecimal numeric keypad is useful for numeric entry of data Front Panel Knobs The front panel knobs include a large multi function knob and four smaller positioning scale knobs The multi function knob is used primarily for incrementing and decrementing values in selected menu boxes The position ing and scale knobs Vertical Position Horizontal Position Vertical Scale and Horizontal Scale provide necessary control of DSO applications as well as the scrolling of logic analyzer displays The glidepoint device vertically mounted on the front panel can be used instead of the external mouse when limited bench space is available The glidepoint device and the standard external mouse are active simultaneously TLA 704 Color Portable Mainframe Service Manual Operating Information Mouse and Keyboard The portable mainframe has two six pin PS 2 compliant DIN connectors One Connectors connector supports an external mouse the other connector supports an external keyboard Descriptions of the two ports follow MOUSE Connector The mouse connector is a standard six pin PS 2 compliant DIN connector The mouse port can be connected to an external standard PS 2 complia
54. an tray 1 Redress the cable connecting the rear chassis fan tray to the backplane board if necessary 2 Reconnect the cable connecting the rear chassis fan tray to the backplane board 3 Reposition the rear chassis fan tray 4 Reposition the cord wrap feet they snap into holes on the rear chassis fan tray and insert the four screws that secure the rear chassis fan tray to the mainframe 6 22 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Individual Fans You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 a Philips screwdriver Table 6 1 item 5 a pair of pliers Table 6 1 item 6 a pair of side cutters Table 6 1 item 7 and a scribe or jeweler s screwdriver Table 6 1 item 8 or other small pointed tool such as a bent paper clip to perform this procedure Removal Use the following procedure to remove an individual fan from the rear chassis fan tray 1 2 Do the Rear Chassis Fan Tray removal procedure page 6 21 Use a Philips screwdriver to remove the screw that secures the hold down brackets to the rear chassis fan tray See Figure 6 9 on page 6 24 If you are replacing one of the two fans nearest the cable connector you need remove only one of the hold down brackets Otherwise remove two Use a pair of pliers to gently straighten the metal tabs holding the fan to the rear chassis fan tray Lift the fan from the rear
55. and explanations Cont Error code Parity Check 1 Parity Check 2 Explanation Action to be taken A parity error was found on the communications bus The Replace the controller board BIOS will return the address of the error or display if it cannot A parity error was found on the 1 0 bus The BIOS will return Replace the controller board the address of the error or display if it cannot Press lt F1 gt to resume lt F2 gt to Setup Press and hold CTRL ALT F2 to enter SET UP Previous boot incom plete Default configu ration used This message is displayed after a recoverable error This is an informational message Press the message Press the F1 key to restart the boot process or F1 key to restart the boot process or press the press the F2 key to enter the CMOS setup and make F2 key to enter the CMOS setup and make changes to the definitions changes to the definitions Verify that the CMOS setup is configured correctly This is an optional message that can be turned on and offin This is an informational message CMOS setup Itis only displayed during a power on self test The previous power on self test was not successful Ifthe This is an informational message Verify that the power on self test fails it loads default values and displays a CMOS setup is configured correctly message to run the CMOS setup If incorrect values are loaded future boot attempts may fail Real time clock
56. and repair services on a per incident basis that is available with standard prices for many products TLA 704 Color Portable Mainframe Service Manual Introduction Self Service 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 updated and tested exchange boards Each board comes with a 90 day service warranty For More Information Contact your local Tektronix service center or sales engineer for more information on any of the Calibration and Repair Services just described Contacting Tektronix Product Support Service Support For other information To write us For application oriented questions about a Tektronix measure ment product call toll free in North America 1 800 TEK WIDE 1 800 835 9433 ext 2400 6 00 a m 5 00 p m Pacific time Or contact us by e mail tm_app_supp tek com For product support outside of North America contact your local Tektronix distributor or sales office Contact your local Tektronix distributor or sales office Or visit our web site for a listing of worldwide service locations http www tek com In North America 1 800 TEK WIDE 1 800 835 9433 An operator will direct your call Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 TLA 704 Color Portable Mainframe Service Manual XV Intro
57. arts their descriptions and their Tektronix part numbers Manual Conventions This manual uses certain conventions that you should become familiar with before attempting service Modules Throughout this manual the term module refers to a TLA 700 Series Logic Analyzer or DSO unit that mounts inside a TLA 700 Series Portable or Benchtop Mainframe A module is composed of circuit cards interconnecting cables and a user accessible front panel Replaceable Parts This manual refers to any field replaceable assembly or mechanical part specifically by its name or generically as a replaceable part In general a replaceable part is any circuit board or assembly such as the hard disk drive or a mechanical part such as the I O port connectors that is listed in the replaceable parts list of Chapter 10 Also see Strategy for Servicing on page xiii Safety Symbols and terms related to safety appear in the Service Safety Summary found at the beginning of this manual X TLA 704 Color Portable Mainframe Service Manual Preface Related Manuals The following manuals are available as part of the TLA 700 Series Logic Analyzer documentation set See Standard Accessories and Optional Accessories on pages 10 1 and 10 3 for manual part numbers The procedures and information in this manual assumes that service personnel have access to all manuals listed in the following table Manual Name The TLA 700 Series Installation Manual The TLA
58. ce Manual A AA Options This section provides a list of options that might be installed in the portable mainframe Options and Upgrade Kits Table 7 1 lists the options and upgrade kits for the TLA 704 Color Portable Mainframe These items are separately purchased and installed Contact your local Tektronix representative for more information NOTE Service options are listed on the Tektronix Service Options page that precedes the Table of Contents in this manual Table 7 1 TLA 704 Color Portable Mainframe options and upgrade kits Description Option Part number 32MB DRAM 2 1GB Hard Disk Upgrade 15 Order TLAF1 for Field Installable upgrade 10BaseT and 10Base2 LAN PC Card 1A 119 5510 XX 17 inch Color Monitor 1M 119 5430 XX 21 inch Color Monitor 2M 119 5422 XX Logic Analyzer Cart 1K LACART Power Cord Universal Euro 230VAC Al right angle 161 0104 06 Straight 161 0066 09 Power Cord UK 230VAC A2 right angle 161 0104 07 Straight 161 0066 10 Power Cord Australian 230VAC A3 right angle 161 0104 05 Straight 161 0066 11 Power Cord North American 230VAC A4 right angle 161 0104 08 Straight 161 0066 12 Power Cord Switzerland 230VAC A5 rightangle 161 0167 00 straight 161 0154 00 Test Data Report 95 TLA 704 Color Portable Mainframe Service Manual 7 1 Options DRAM Hard Disk Upgrade LAN PC Cards External Color Monitors Logic Analyzer Cart Power Cord Options Tektronix Servi
59. ce Options 7 2 Option 1S upgrades the amount of memory and the hard drive provided with the system from 16 MB DRAM and 840 MB on the hard disk to 32 MB DRAM and 2 1 GB on the hard disk Option 1A adds a LAN PC card to the standard configuration to provide 10BaseT and 10Base2 LAN communication capabilities Options 1M and 2M add a 17 inch and a 21 inch external color monitor respectively to the standard configuration Option 1K adds a cart on which to mount and move the TLA 704 Portable and TLA 711 Benchtop mainframes Options A1 through A5 provide different power cords as listed in Table 7 1 Service options are listed in the front of the manual after the warranty page TLA 704 Color Portable Mainframe Service Manual a M d e Electrical Parts List Refer to the Mechanical Parts List chapter for a complete listing and description of replaceable parts for the TLA 704 Color Portable Mainframe TLA 704 Color Portable Mainframe Service Manual 8 1 Electrical Parts List 8 2 TLA 704 Color Portable Mainframe Service Manual AAA Diagrams This chapter contains the interconnection diagram and the block diagram for the portable mainframe External signal in J2 System trigger in J3 External signal out J4 Controller System trigger out J5 board FP Misc EIDE Conn Conn HDD P400 Power P401 supply Floppy disk drive Hard disk drive J100 J101 3103 Interface board
60. ce at most Tektronix service locations worldwide The Tektronix product catalog lists all service locations worldwide or you can visit us on 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 which 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 TLA 704 Color Portable Mainframe Service Options 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 These service options are listed on the Tektronix Service Options page following the title page of this manual Service Agreements 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 TLA 704 Color Portable Mainframe Service agreements may be customized to meet special turn around time and or on site requirements Service on Demand Tektronix also offers calibration
61. chassis fan tray Make note of the fan cable dress and remove the tie holding the cables together near the connector Use a pair of side cutters to remove the cable tie Remove the fan wires from the cable connector Pay attention to the wire color locations for reinstallation Use a scribe jeweler s screwdriver or bent paper clip to gently push down the finger of metal that secures latches the wire end into the connector See insert Figure 6 9 on page 6 24 At the same time pull gently on the wire until it comes out of the connector Installation Use the following procedure to reinstall the rear chassis fan tray 1 Reinsert the fan wires into the cable connector Be sure to insert the color coded wires into the same locations as they were removed from in step 6 above The finger of metal that secures the wire end into the connector should be pointed up and outward for it to lock into place See insert Figure 6 9 on page 6 24 Position the fan onto the rear chassis fan tray Gather the fan cables together tie them together with a cable tie and position them so that they do not interfere with any fan blades Use a pair of pliers to gently bend the metal tabs that hold the fan to the rear chassis fan tray until the fan is held firmly in position TLA 704 Color Portable Mainframe Service Manual 6 23 Removal and Installation Procedures 6 24 5 Attach the hold down bracket s to the rear chassis fan t
62. d control assemblies 10 11 Figure 10 3 Floppy disk drive hard disk drive front panel interface board and related cables 10 13 Figure 104 Controller board interface board and EMI shield 10 15 Figure 10 5 Power supply handle and fan 10 17 TLA 704 Color Portable Mainframe Service Manual iii Table of Contents List of Tables Table 1 1 Table 1 2 Table 1 3 Table 1 4 Table 1 5 Table 1 6 Table 1 7 Table 1 8 Internal controller Displ y systeni oi Backplane interface Front panel interface Rear panel interface AC pOwer source 4 22 9 9 9 ek as Secondary power Certifications and compliances TLA 704 Color Portable Mainframe Table 1 9 COOLING 0 ICE PR EA E DR ES E ES ia Table 1 10 Environmental Table 1 11 Mechanical Table 2 1 Table 2 2 Table 2 3 Table 6 1 Table 6 2 Table 6 3 Table 6 4 Table 6 5 Table 6 6 Table 7 1 SVGA OUT pin assignments oo COM serial interface pin assignments LPT parallel interface pin assignments Tools required for part removal Failure symptoms and possible caus
63. duction xvi TLA 704 Color Portable Mainframe Service Manual Specifications This chapter provides a brief product description and lists the warranted characteristics nominal traits and typical characteristics of the TLA 704 Color Portable Mainframe Product Description The TLA 704 Color Portable Mainframe is the base component of a customer configurable portable instrument It can function as a logic analyzer a digital storage oscilloscope or both depending on the module cards installed in its slots The mainframe has the following features Microsoft Windows 95 operating system Standard PC I O ports two PC card slots and a PC based processor architecture provides automatic connectivity to numerous off the shelf I O devices Ethernet modem printers etc Display system provides internal color flat panel LCD display 10 4 inch active matrix TFT and an external SVGA port capable of driving large high resolution external monitors Four backplane slots provide compatibility with TLA 700 Series instrument modules Easy user configurability Precision clock bus trigger line and event signaling between the mainframe and instrument modules supports real time triggering sequencing and time correlation of events Easy service access to field replaceable parts Mainframe compatible with international power standards certified to international safety and EMC requirements and tested to rugged environ mental standards
64. e or other pointing device and Windows 95 running To run the QAPlus WIN diagnostics do the following steps 1 Turn off all other applications 2 Click on START in the tool bar 3 Select Programs from the Start menu 4 Select Qaplusw exe TLA 704 Color Portable Mainframe Service Manual 6 45 Troubleshooting Bypassing Front Panel 6 46 Controls Checking Power Supply Voltages 5 Replace the assembly corresponding to the failing diagnostic test s TLA 700 Mainframe Diagnostics If the portable mainframe passes all the QAPlus WIN tests the primary tree calls for you to run the TLA 700 Mainframe Diagnostics The TLA 700 Mainframe Diagnostics are a comprehensive software test that checks the functionality of the portable mainframe If the TLA 700 Mainframe Diagnostics test fails the portable mainframe is defective To run the TLA Mainframe Diagnostics do the following steps 1 Turn off all other applications Click on Start in the Windows 95 tool bar Select Programs from the Start menu Select Tektronix TLA 700 from the Programs menu n PF YS D Select TLA 700 Mainframe Diagnostics from the Tektronix TLA 700 menu The Front Panel Control Assembly can be bypassed if necessary to assist in troubleshooting Bypassing the Front Panel Control Assembly allows an external keyboard and mouse to function bypass the Front Panel Control Board as in a standard PC To bypass the Front Panel Control Assembly unp
65. e connector Remove the four screws that attach the hard disk drive bracket to the chassis Remove the four screws that attach the hard disk drive to the bracket Lift out the hard disk drive Installation Use the following procedure to reinstall the hard disk drive 1 gt Y Reposition the hard disk drive within the bracket Insert the four screws that attach the hard disk drive to the bracket Insert the four screws that attach the hard disk drive bracket to the chassis Reattach the cable at the bottom of the hard disk drive by gently pressing the connector at the end of the cable into the connector at the bottom of the hard disk drive Do the Display Assembly installation procedure page 6 14 NOTE After replacing the hard disk drive you must reinstall all of the TLA 700 Series software Refer to the TLA 700 Series Installation Manual for software reinstallation instructions TLA 704 Color Portable Mainframe Service Manual 6 33 Removal and Installation Procedures Interface Board You will need a small Philips screwdriver Table 6 1 item 5 page 6 6 to perform this procedure Removal Use the following procedure to remove the interface board 1 Locate the interface board in the locator diagram Internal parts Figure 6 13 on page 6 29 2 Do the Display Assembly removal procedure page 6 12 3 Detach cables at J100 J101 J102 and J103 4 Remove the two screws securing the interface board to the
66. e the power supply is fully seated Insert the four screws on the right side and the four screws on the bottom that secure the power supply to the chassis Do the installation procedures for Bottom Cover page 6 15 Top Cover page 6 15 and Right Side Cover page 6 17 You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the rear chassis fan tray 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 Set the mainframe so that the bottom is on the work surface and the rear chassis fan tray faces you Remove the four screws located within the cord wrap feet that secure the rear chassis fan tray to the mainframe See Figure 6 8 on page 6 22 Grasp the left cord wrap foot facing the fan tray and swing the left side of the fan tray away from the mainframe Disconnect the cable connecting the rear chassis fan tray to the backplane board Remove the rear chassis fan tray TLA 704 Color Portable Mainframe Service Manual 6 21 Removal and Installation Procedures Disconnect 0 D oe 13 SS sr i S 2 Sar S EL Mo O RE y Fan tray SL Ih AL Cord wrap feet a ipis Figure 6 8 Rear chassis fan tray removal Installation Use the following procedure to reinstall the rear chassis f
67. ector Refer to the TLA 700 Series Logic Analyzer User Manual for additional information EXTERNAL SIGNAL OUT Connector The External Signal Output is a TTL com patible output signal that is user definable in software The System Trigger Output utilizes a BNC connector Refer to the TLA 700 Series Logic Analyzer User Manual for additional information The portable mainframe includes one slot that supports an industry standard Type I or Type II PC card and another that supports a Type I I or III PC card The portable mainframe has three 3 I O Ports an SVGA OUT port a COM port and an LPT port Descriptions of the three ports follow SVGA OUT Port The SVGA OUT port supports an industry standard SVGA color monitor The connector is a 15 pin sub D SVGA compliant connector See Table 2 1 for pin assignments Table 2 1 SVGA OUT pin assignments Pin number Pin function Pin number Pin function 1 RED 2 GRN 3 BLU 4 DDC DB2 5 GND 6 GND 7 GND 8 GND 9 KEY 10 GND 11 DDC DBO 12 DDC DB1 13 HSYNC 14 VSYNC 15 DDC DB3 COM Port The COM port is an RS232 serial port The connector is a 9 pin male sub D plug See Table 2 2 for pin assignments TLA 704 Color Portable Mainframe Service Manual Operating Information Table 2 2 COM serial interface pin assignments Pin number Pin function Pin number Pin function 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 Ring Indicator LPT Port The LPT por
68. ed 2 For time intervals longer than 1 us between modules add 0 01 of the difference between the absolute time measure ments to the relative time correlation error to account for the inaccuracy of the CLK10 source 3 represents the time from the event at the probe tip inputs to the next valid data sample of the logic analyzer In the normal internal clock mode this represents the delta time to the next sample clock In MagniVu internal clock mode this represents 500 ps or less In external clock mode this represents the time to the next master clock generated by the setup of the clocking state machine and the supplied SUT clocks and qualification data DSO modules time correlation measured at maximum sample rate on channel one only 5 All system trigger and external signal input latencies were measured from a falling edge transition active true low with signals measured in the wired or configuration 6 Latencies are based on typical portable mainframe configurations consisting of two LA modules or an LA module plus a DSO module Latencies are system configuration dependent and may vary slightly with module loading 7 Inthe Waveform window triggers are always marked immediately except when delayed to the first sample In the Listing window triggers are always marked on the next sample period following their occurrence 8 CIk represents the time to the next master clock at the destination logic analyzer
69. ent required to remove and reinstall each part is listed prior to the first step of its procedure Table 6 1 Tools required for part removal 1 Screwdriver handle Accepts Torx driver bits 2 T 15 Torx tip Torx driver bit for T 15 size screw heads 3 T 10 Torx tip Torx driver bit for T 10 size screw heads 4 Flat Blade Screwdriver Small flat blade screwdriver 5 Phillips 1 screwdriver 6 Pliers Standard tool 7 Diagonal cutters for removing cable ties 8 Scribe or jeweler s screwdriver Standard tool 9 Cable tie Standard item 6 6 TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Procedures for External Parts Figure 6 1 shows the locations of the external parts of the TLA 704 Color Portable Mainframe Procedures for removing and replacing these parts are presented in the following order m Front Cover and Trim Ring m Front Panel Control Assembly m Flat Panel Display Assembly m Front Panel Knobs m Bottom Cover m Top Cover m Left Side Cover m Right Side Cover m Line Cord and Line Fuse m Power Supply m Rear Chassis Fan Tray m Individual Fans m Flip Stands and Rear Feet m Cord Wrap Feet m Handle TLA 704 Color Portable Mainframe Service Manual 6 7 Removal and Installation Procedures Accessories pouch Top cover Left side cover Trim ring Front panel control assembly Figure 6 1 External parts 6 8 TLA 704 Color Portable Mainframe Service
70. ernal Signal Out via Signal 3 49 OR function 371 ns Smp AND function 383 ns Smp LA Probe Tip to External Signal Out via Signal 1 269 normal function 381 ns Smp inverted logic on backplane 384 ns Smp DSO Probe Tip to External System Trigger Out 70 ns DSO Probe Tip to External Signal Out via Signal 3 4 OR function 68 ns AND function 78 ns DSO Probe Tip to External Signal Out via Signal 1 29 normal function 71 ns inverted logic on backplane 71 ns 1 4 TLA 704 Color Portable Mainframe Service Manual Specifications Table 1 3 Backplane interface Cont Characteristic Description Inter Module Latencies All measurements typical LA to DSO Inter Module System Trigger 358 ns Smp LA to LA Inter Module System Trigger 68 ns Smpl LA to DSO Inter Module ARM3 360 ns Smp LA to LA Inter Module AR M3 8 108 ns 5 Clk LA to LA Inter Module via Signal 1 23 89 120 ns Smpl LA to LA Inter Module via Signal 3 438 116 ns 5 Clk DSO to DSO Inter Module System Trigger 50 ns DSO to LA Inter Module System Trigger 236 ns DSO to LA Inter Module ARM8 192 ns Clk DSO to DSO Inter Module ARM 59 ns DSO to LA Inter Module via Signal 1 28 9 179 ns Clk DSO to LA Inter Module via Signal 3 48 184 ns Clk 1 Includes typical jitter slot to slot skew and probe to probe variations to provide a typical number for the measurement Assumes standard accessory probes are utiliz
71. error Shadow Ram Failed at offset nnnn System battery is dead Replace and run SETUP The real time clock may be defective Replace the controller board The shadow RAM has failed at HEX location nnnn The system will run without shadow RAM butit will run slowly Exchange the SIMMs if one of the SIMMs is defective the error address should change The CMOS clock may be dead or disconnected The CMOS The system battery is internal to the RAM Cal setup may have to be reset endar component To replace the system battery replace the RAM Calendar component Note After replacing the RAM Calendar component you mustreflash the BIOS Refer to Update the BIOS on page 6 53 and perform the procedures to reflash the BIOS System BIOS shad owed System cache error Cache disabled System CMOS check sum bad run SETUP The system BIOS was copied to shadow RAM This is an informational message No action needs to be performed When the system BIOS failed the cache test the cache was The system will run without cache RAM butit disabled will run slowly Try rebooting the system The system CMOS settings may be incorrect or modified This is an informational message Reboot the incorrectly by some application The CMOS setup may have system and then verify that the CMOS setup is to be re defined configured correctly System RAM Failed at offset nnnn System timer error 6 52 The system RAM at HEX address
72. es TLA 700 Power on diagnostic tests Power supply voltages and backplane connector pins Command line options for ResMan32 BIOS error codes and explanations TLA 704 Color Portable Mainframe options and upgrade Kits consi o hn RUE Table 10 1 Standard accessories Table 10 2 Power cord identification es Table 10 3 Optional Table 10 4 Common replaceable Table 10 5 Parts lists column descriptions 1 2 1 3 1 3 1 6 1 7 1 9 1 9 1 10 1 11 1 11 1 12 2 4 2 5 2 5 6 6 6 40 6 44 6 47 6 49 6 51 TLA 704 Color Portable Mainframe Service Manual I Ii General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures While using this product you may need to access other parts of the system Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system To Avoid Fire or Use Proper Power Cord Use only the power cord specified for this product and Personal Injury certified for the country o
73. escribes each column in the lists Table 10 5 Parts lists column descriptions Column number Column name Description 1 Figure amp Index Figure and index numbers in the exploded view Number illustrations Tektronix Part Use this partnumber when ordering replacement parts Number from Tektronix 3 and 4 Serial Number Column 3 indicates the serial number at which the part was first effective Column 4 indicates the serial number at which the part was discontinued No entries in either column indicates the partis good for all serial numbers 5 Qty Quantity of parts used N 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 incomplete Use the U S Federal Catalog Handbook H6 1 for further item name identification Mfr Code Manufacturer code 8 Mfr Part Number Manufacturer s or vendor s part number Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 Mfr Code to Manufacturer The table titled Manufacturers Cross Index shows codes names and addresses Cross Index of manufacturers or vendors of components listed in the parts list 10 6 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Manufacturers Cross Index Mfr Code 06383 0B445 0D1M6 0KB01 OLOL7 0VF15 02035 12136 1DM20 1GM54 26742 2W733 47165 50356 5F 520 60128 619
74. f 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 marking on the product Consult the product manual for further ratings information before making connections to the product The common terminal is at ground potential Do not connect the common terminal to elevated voltages Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Do Not Operate Without Covers Do not operate this product with covers or panels removed Use Proper Fuse Use only the fuse type and rating specified for this product Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry TLA 704 Color Portable Mainframe Service Manual V Genera
75. go to step 1 on page 6 54 and follow the instructions and attempt to update the BIOS If the BIOS jumper is not in place you will get an error message stating that the BIOS could not be updated If this happens disregard the message and turn the instrument off with the power switch To install the BIOS jumper proceed with the instructions under Install the BIOS Jumper and follow the disassembly instructions Install the BIOS Jumper To install the BIOS jumper perform the following procedures to disassemble the instrument to access the jumper location 1 Remove the front cover and trim ring follow the procedure beginning on page 6 9 Remove the bottom cover follow the procedure beginning on page 6 14 Remove the left side cover follow the procedure beginning on page 6 16 Remove the top cover follow the procedures beginning on page 6 15 EE CEN ao Remove the eight screws securing the EMI shield to the chassis see Figure 6 13 on page 6 29 and then lift off the EMI shield 6 Place a shorting jumper at jumper position H2 pins one and three Refer to Figure 6 19 for the jumper placement TLA 704 Color Portable Mainframe Service Manual 6 53 Troubleshooting Set Up and Update the BIOS Configure the CMOS Setup and Complete the Setup 6 54 Rear panel The BIOS jumper does not need to be removed after the BIOS is updated Umper Bo 3 OO 2 Controller board H Figu
76. h elastomeric keypad from to front panel control board gt Glidepoint assembly Figure 6 14 Front panel control assembly parts locations 6 Gently use the prying tool in the slots on the top and bottom of the control assembly to work the control board free 7 Lift the front panel control board out of the assembly Installation Use the following procedure to reinstall the front panel control board 1 Carefully work the control board into position making sure that all keys go through their holes in the front panel and that the board is firmly seated 2 Insert the six screws that attach the front panel control board to the front panel control assembly TLA 704 Color Portable Mainframe Service Manual 6 35 Removal and Installation Procedures Glidepoint Assembly Elastomeric Keypad 6 36 Removal Installation Removal 3 Reattach the glidepoint cable at J100 4 Replace the knobs on the front panel 5 Do the Front Panel Control Assembly installation procedure page 6 12 The glidepoint device is replaced as part of a larger assembly consisting of the glidepoint device glidepoint cable front panel controls frame and glidepoint bracket You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Use the following procedure to remove the glidepoint assembly 1 Locate the glidepoint assembly in the locator diagram Front panel control
77. he instrument It contains the setup information for each installed module such as clocking memory depth threshold information and channel information Menus and dialogs contain information to set up the window as needed Most of the changes that you make in menus or dialogs take effect at the end of the acquisition however probe threshold changes take effect immediately Most of the user information for operating the portable mainframe is available through online help Refer to the TLA 700 online help for more information on the individual menus icons and fields within each window You may also want to refer to the TLA 700 Series Logic Analyzer User Manual for additional information Refer to your Microsoft Windows documentation for additional information on using Windows help The TLA 704 Portable Mainframe contains the following diagnostics m BIOS diagnostic tests automatic m TLA 700 Series application software automatic and manual Wm TLA 700 Series mainframe diagnostics manual m QAPlus Win manual All diagnostics both automatic and manually executed tests are useful for troubleshooting purposes The portable mainframe performs BIOS and TLA 700 Series application diagnostics for the mainframe and all installed modules every time you power on The diagnostics window displays when any of the diagnostic tests fail To access the diagnostics tests in the TLA 700 Series application software use the System pull down menu
78. hock always power off the chassis and disconnect the power cord before cleaning or servicing the chassis Inspection and Cleaning Interior Cleaning Exterior Cleaning The TLA 704 Color Portable Mainframe is inspected mechanically and electrically before shipment It should be free of marks or scratches and should meet or exceed all electrical specifications 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 Clean the chassis as needed based on the operating environment Refer to the appropriate module service manuals for information on cleaning individual TLA 700 Series modules Use a dry low velocity stream of air to clean the interior of the chassis Use a soft bristle non static producing brush for cleaning around components If you must use a liquid for minor interior cleaning use a 75 isopropyl alcohol solution and rinse with deionized water Clean the exterior surfaces of the chassis with a dry lint free cloth or a soft bristle brush If any dirt remains use a cloth or swab dipped in a 75 isopropyl alcohol solution Use a swab to clean narrow spaces around controls and connectors Do not use abrasive compounds on any part of the chassis that may damage the chassis
79. ith the chassis When performing any service which requires internal access to the mainframe benchtop chassis adhere to the following precautions to avoid damaging internal circuit boards and their components due to electrostatic discharge ESD CAUTION Many components within the chassis are susceptible to static discharge damage Service the chassis only in a static free environment Observe standard handling precautions for static sensitive devices while servicing the chassis Always wear a grounded wrist strap or equivalent while servicing the chassis 1 Minimize handling of static sensitive circuit boards 2 Transport and store static sensitive circuit boards in their static protected containers or on a metal rail Label any package that contains static sensitive boards 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these circuit boards 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 5 Handle circuit boards by the edges when possible TLA 704 Color Portable Mainframe Service Manual 6 1 Maintenance A 6 Do not slide the circuit boards over any surface 7 Avoid handling circuit boards in areas that have a floor or work surface covering capable of generating a static charge WARNING To avoid electric s
80. king mouse or other pointing device and have Windows 95 running Repair or replace any failed component identified by QAPlus WIN CAUTION Before running the QAPlus WIN tests be aware of the following problems and workarounds m The QAPlus WIN discrete memory test fails if the computer being tested contains more than 16 megabytes of RAM If your computer contains more than 16 megabytes of RAM do not run the memory test from the Memory icon Use the Run Quick Test item from the Tests menu instead or use the Quick Test icon in the QAPlus WIN title box m The QAPlus WIN hard drive test may report an incorrect number of tracks and cylinders for your hard drive This is an internal mapping problem but has no effect on the results of the test Bad sectors on your hard drive are still found and marked m The installation program for QAPlus WIN stalls at the end of installation To continue after the installation stalls press CTRL ALT DEL highlight the QAPlus WIN installation program and then click on End Task m The QAPlus WIN keyboard test does not respond correctly to keys used by Windows 95 Keyboards made for use with Windows 95 contain two or three keys specific to that operating system These are usually located on either side of the space bar QAPlus WIN does not trap these keys when performing the keyboard test Do not press them NOTE To run QAPlus WIN you must have either a working keyboard or a working mous
81. l Safety Summary vi 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 AN m WARNING Protective Ground CAUTION Double High Voltage Earth Terminal Refer to Manual Insulated TLA 704 Color Portable Mainframe Service Manual A eT Service Safety Summary Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock disconnect
82. ler board snap into place NOTE When upgrading RAM memory make sure that both SIMM boards contain SIMMS of the same size 2 Reposition the EMI shield and then insert the two screws that secure it to the chassis 3 Do the Left Side Cover installation procedure page 6 17 Backplane Board You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the backplane board 1 Remove all modules installed in the portable mainframe 2 Locate the backplane board in the locator diagram Internal parts Fig ure 6 13 on page 6 29 TLA 704 Color Portable Mainframe Service Manual 6 31 Removal and Installation Procedures Installation Use 1 2 Floppy Disk Drive You and Removal Use 1 S ve RB LY t Installation Use 1 2 3 6 32 Do the Controller Board removal procedure page 6 29 Remove the seven remaining screws that secure the backplane board to the chassis Pull on the edges of the board nearest the front and rear surfaces of the mainframe to remove the backplane board from the chassis Detach cable J500 the following procedure to reinstall the backplane board Reattach cable J500 Reposition the backplane board and insert the screws that secure the backplane board to the chassis Do the Controller Board installation procedure page 6 30 Reinstall any modules removed from the port
83. lug the cable from it to the Front Panel Interface Board located behind the flat panel display at J102 Then use jumpers to connect pins 33 and 34 pins 31 and 32 pins 27 and 28 and pins 25 and 26 See Figure 6 16 100 00 00 00 00 o0 200 0 OO OO OOOO CO J 102 Figure 6 16 Jumper locations for bypassing front panel control assembly Power off the mainframe and remove any modules installed in it Power on the mainframe and connect the reference lead of a digital voltmeter to chassis ground such as the top of the power supply Attach a 0 025 square pin to the probe tip of the other lead and insert it into a pin on one of the backplane connectors The pins that should be carrying voltages are listed in Table 6 4 The arrangement of J1 and J2 connectors on the backplane is shown in Figure 6 17 on page 6 48 Measure the power supply voltages with the voltmeter and compare each reading to the values listed in the tables If the voltages are within about 5 of the nominal voltages your power supply is functional TLA 704 Color Portable Mainframe Service Manual Troubleshooting Table 6 4 Power supply voltages and backplane connector pins J1 Pin J2 Pin Voltage RowA RowA 31 12V 2 2V 25 DV Row B Row B 3l 5 V STDBY 1 32 RowC Row C 19 5 2V 31 24V 32 24V TLA 704 Color Portable Mainframe Service Manual 6 47 Troubleshooting 6 48 Isolating System Problems
84. m displays the error on the display Table 6 6 lists the error codes an explanation of each error code and actions that can be taken Refer to the TLA 700 Series Installation Manual for information on BIOS setup parameters and feature settings Table 6 6 BIOS error codes and explanations Error code Explanation Action to be taken Diskette drive A error The BIOS testrecognizes the presence of the floppy disk Verify the floppy disk drive is configured drive but the floppy disk drive fails the power on self test correctly in the CMOS setup The floppy disk drive may be defined incorrectly in the Verify that the floppy disk drive cable is CMOS setup The floppy disk drive may not be connected connected on the floppy disk drive and the correctly on the adapter board adapter board Extended RAM Failed The extended memory may not be configured correctly or Verify that the extended memory is configured at offset nnnn the extended memory is defective at HEX address nnnn correctly in the CMOS setup Exchange the SIMMs if one ofthe SIMMs is defective the error address should change Failing Bits nnnn The RAM address mapped to HEX nnnn in the system Exchange the SIMMs if one ofthe SIMMs is shadow or extended memory has failed A 1 in the map defective the error address should change indicates a failed bit Fixed Disk 0 Failure The hard disk drive may not be defined correctly in the Verify the hard disk drive is configured correctly
85. manual 070 9774 XX Mouse pad 016 1524 00 Power cord North American right angle 161 0104 00 Power cord North American straight 161 0066 00 Certificate of Traceable Calibration TLA 704 Color Portable Mainframe Service Manual 10 1 Replaceable Parts List Table 10 2 Power cord identification Plug configuration Option number North America Standard 125 V 15A Plug NEMA 5 15P Europe 230V United Kingdom 230V North America 230V Switzerland 230V 10 2 TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Optional Accessories The portable mainframe has the following optional accessories Table 10 3 Optional accessories Tektronix part Description number US Power cord right angle 161 0104 00 straight 161 0066 00 Option Al Power cord right angle 161 0104 06 straight 161 0066 09 Option A2 Power cord right angle 161 0104 07 straight 161 0066 10 Option A3 Power cord right angle 161 0104 05 straight 161 0066 11 Option A4 Power cord right angle 161 0104 08 straight 161 0066 12 Option A5 Power cord right angle 161 0167 00 straight 161 0154 00 TLA 704 software field upgrade kit 020 3001 XX Wheeled transport hard case 016 1522 00 TLA 700 Series Performance Verification and Adjustment Technical 070 9776 XX Reference Manual TLA 704 Color Portable Mainframe Service Manual 070 9777 XX TLA 711 Color Benchtop Chassis Service Manual 070 9773 XX TLA
86. n page 6 46 Testing might also be required to correct some faults Under those circumstances you will need the test equipment listed in the TLA 700 Series Performance Verification and Adjustment Procedures manual Follow the primary troubleshooting tree in Figure 6 15 for fault isolation This tree calls for you to remove any installed modules run the diagnostics programs and check for BIOS errors If you are unable to identify any problems through the troubleshooting tree or through the diagnostic programs refer to Isolating System Problems beginning on page 6 48 for further troubleshooting information TLA 704 Color Portable Mainframe Service Manual Troubleshooting Remove modules from portable mainframe Turn on power Possible cause 1 Mainframe power cord is not plugged in 2 Failed fuse 3 Defective monitor Mainframe powers on Possible cause 1 SIMMs incorrectly installed or missing 2 Defective controller board Mainframe appears dead dead screen no beeps Yes Simulscan enabled External monitor attached Flat panel display blank Enable Simulscan Refer to Controller BIOS Setups in Appendix B of the Defective display pay TLA 700 Installation Manual defective interface board loose I F board connector defective controller board Defective controller board Defective external monitor Defective external monitor cable
87. n features Three years of calibration services Option C3 Provides initial Certification on delivery plus two more annual calibrations from your service center Test data Option D3 Provides test data on delivery and when cal ibration services are provided three total order with Option C3 Three years repair coverage Option R3 Provides three years of repair coverage for the instrument including displays and accessories sold with the instrument One year uplift to on site service Option S1 Converts the standard one year return to depot warranty to provide service on site for one year Three year uplift to on site service Option S3 Converts any C3 D3 and R3 options pur chased to on site services for three years Tektronix Service Options are available at the time you order your instrument Contact your local Tektronix Sales Office for more information 1 Availability of installation and on site services depends on the type of product and may vary by geography 2 Uplift options are ordered with the mainframe products and cover individual modules AAA gE Table of Contents Specifications Operating Information Theory of Operation General Safety Summary Service Safety vii Preface ino ries era ata ath woe ate orale ix Manual Structure sa seste et RR RAD C ST EC RC Ac cada ix Manual Conventions cae X Related Manuals s c
88. n materials and workmanship for a period of one 1 year from the date of shipment If a product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the 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 Tek
89. nt three button mouse KEYBOARD Connector The keyboard connector is a standard six pin PS 2 com pliant DIN connector The keyboard port can be connected to an external standard PS 2 compliant keyboard External I O BNCs The portable mainframe has four test I O BNC connectors on the rear panel see Figure 2 2 SYSTEM TRIG IN SYSTEM TRIG OUT EXTERNAL SIGNAL IN and EXTERNAL SIGNAL OUT ll PCMCIA PC cards 2 fi SYSTEM TRIG IN Jj SVGA OUT port SYSTEM TRIG OUT 1 COM port EXTERNAL SIGNAL IN as EXTERNAL SIGNAL OUT e m LPT port Figure 2 2 TLA 704 Color Portable Mainframe rear panel SYSTEM TRIG IN Connector The System Trigger Input is a TTL compatible signal input that is user definable in software The System Trigger Input utilizes a BNC connector Refer to the TLA 700 Series Logic Analyzer User Manual for additional information SYSTEM TRIG OUT Connector The System Trigger Output is a TTL compatible output signal that is user definable in software The System Trigger Output utilizes a BNC connector Refer to the TLA 700 Series Logic Analyzer User Manual for additional information TLA 704 Color Portable Mainframe Service Manual 2 3 Operating Information PCMCIA PC Card Port 1 0 Ports 2 4 EXTERNAL SIGNAL IN Connector The External Signal Input is a TTL compatible input signal that is user definable in software The External Signal Input utilizes a BNC conn
90. ocedure page 6 35 3 Do the Front Panel Control Assembly installation procedure page 6 12 TLA 704 Color Portable Mainframe Service Manual 6 37 Removal and Installation Procedures 6 38 TLA 704 Color Portable Mainframe Service Manual Troubleshooting A Service Level Required Documents 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 to service personnel or damage to electrical components please read Preventing ESD on page 6 1 This section contains information and procedures designed to help you isolate faults to within the TLA 704 Color Portable Mainframe The process is as follows Wm Do Check for Common Problems on page 6 40 to eliminate easy to find problems first m Do Eliminate Other Problem Sources on page 6 41 to eliminate the probes and DSO or Logic Analyzer modules as the fault source next m Do Troubleshoot the Portable Mainframe beginning on page 6 42 to locate the failed replaceable part within the mainframe For assistance contact your local Tektronix Service Center This section supports isolation of faults within the portable mainframe to the replaceable part level shown in Chapter 10 In most cases faults are isolated to circuit boards or assemblies but not to individual components on those boards See Strategy for Servicing on
91. ock Operating TLA 704 Color Portable Mainframe Service Manual Half sine 30 g 11 ms duration three drops each side 18 shocks total no media in floppy drive without instrument modules installed or with instrument modules installed but not exceeding 5 Ibs slot Meets functional shock requirements of MIL T 28800E Type lll Class 5 Specifications Table 1 11 Mechanical Characteristic Description Overall Dimensions See Figure 1 1 for overall chassis dimensions Height with feet 9 25 in 23 5 cm Width 17 in 43 18 cm Depth 17 5 in 44 45 cm Weight 30 Ibs 12 02 13 9 kg with no modules installed two dual wide slot covers and empty pouch Shipping Configuration 60 Ibs 13 oz 27 58 kg minimum configuration no modules with all standard accessories 86 Ibs 9 oz 39 26 kg full configuration with two TLA 7M4 modules and standard accessories including probes 17 5 in 44 45 cm OB O O sees 23 5 cm O 5655 ca 000500 gt 0000000000 60505000000 AA a ARES Figure 1 1 Front and side views of TLA 704 Color Portable Mainframe 1 12 TLA 704 Color Portable Mainframe Service Manual ASS A Operating Information This chapter contains information about operating the TLA 704 Color Portable Mainframe Installation Refe
92. on page 6 11 Lift the bottom edge of the front control panel assembly and rotate it upward and off the front face of the mainframe Detach the cable connecting the front panel panel assembly to the interface board NOTE Procedures for removing the knobs elastomeric keypad and Front Panel Control Board are found in Procedures for Internal Parts which begins on page 6 28 Use the following procedure to reinstall the front panel control assembly 1 Reattach the cable connecting the front panel control assembly to the interface board Reinstall the front panel control assembly by first inserting the top edge and then rotating it downward into position Be sure the tabs are engaged at the top of the assembly Insert the five screws that attach the front panel control assembly to the mainframe two at the bottom of the assembly on the front of the instrument two on the top and one on the right side See Figure 6 3 on page 6 11 Flat Panel Display Assembly 6 12 Removal You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Use the following procedure to remove the flat panel display assembly 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 Do the Front Cover and Trim Ring removal procedure steps 1 5 on page 6 9 Set the mainframe with the bottom on the work surface and the front facing
93. or CMOS setup The hard disk drive may not be connected in the CMOS setup Fixed Disk Controller correctly The hard disk drive may be defective Verify that the hard disk drive cable is con Failure nected on the hard disk drive and on the adapter board Replace the hard disk drive and reinstall the TLA 700 Series software Incorrect Drive A Type The floppy disk drive may not be defined correctly in the Verify the floppy disk drive is configured run Setup CMOS setup correctly in the CMOS setup Invalid media The BIOS cannot access NVRAM Replace the controller board type Keyboard controller The keyboard controller may be defective Swap keyboard with a known good keyboard error Keyboard error The keyboard may be missing or defective Swap keyboard with a known good keyboard Keyboard error nn There may be a stuck or defective key The BIOS returns the Swap keyboard with a known good keyboard address of the key where HEX nn is the address of the key Monitor type does not The monitor type may be defined incorrectly in SETUP Verify that the monitor type is defined correctly match CMOS Run in the CMOS setup SETUP Operating system not The operating system cannot be found Inserta bootable disk into the floppy disk drive found and try to reboot Reload the Windows 95 operating system TLA 704 Color Portable Mainframe Service Manual 6 51 Troubleshooting Table 6 6 BIOS error codes
94. ortable Mainframe Service Manual 6 9 Removal and Installation Procedures 6 10 When removing the trim ring grasp its bottom edge and flex ittoward you before pulling Q ae 5 Ss lt Remove screws 4 Figure 6 2 Front cover and trim ring removal TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Front Panel Control Assembly You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the front panel control assembly 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 2 Do the Front Cover and Trim Ring removal procedure steps 1 5 on page 6 9 3 Set the mainframe with the bottom on the work surface and the front facing you Disconnect the cable ANS NN Front panel control gt assembly NE ES NN Remove screws 5 N 27 AS EE S N Figure 6 3 Front panel control assembly removal TLA 704 Color Portable Mainframe Service Manual 6 11 Removal and Installation Procedures Installation Remove the five screws that attach the front panel control assembly to the mainframe two at the bottom of the assembly on the front of the instrument two on the top and one on the right side See Figure 6 3
95. ost current part for your product type serial number and modification if applicable At the time of your order Tektronix will determine the part number revision level needed for your product based on the information you provide Modules can be serviced by selecting one of the following options Contact your local Tektronix service center or representative for repair assistance Module Repair and Return You may ship your module to Tektronix for repair after which Tektronix will return it to you New Modules You may purchase replacement modules in the same way as other replacement parts TLA 704 Color Portable Mainframe Service Manual Replaceable Parts List Common Replaceable Parts Table 10 4 provides a quick reference list of parts that you are most likely to replace For more detailed information refer to the individual parts lists in this chapter Table 10 4 Common replaceable parts Tektronix part Name Description number Line Fuse Fuse cartridge 90 V to 132 V operation 8 A fast blow 159 0046 00 250V Line Fuse Fuse cartridge 207 V to 250 V operation 6 3 A fast 159 0381 00 blow 250 V TLA 704 Color Portable Mainframe Service Manual 10 5 Replaceable Parts List Using the Replaceable Parts List The rest of this chapter contain lists of the replaceable mechanical and or electrical components of the portable mainframe Use these lists to identify and order replacement parts The following table d
96. ots TLA 704 Color Portable Mainframe Service Manual Description 4 C size compliant with VXIBus System Spec Rev 1 4 except as follows MODID driver not capable of sinking 48 mA as required for 3 state lines meets standard design practices for VXI and TTLTRG may not be unasserted after SYSRESET as ADG 332 does not use SY SRESET accommodated via local controller reset Specifications Table 1 3 Backplane interface Cont Characteristic CLK10 Frequency Description 10 MHz 100 PPM System Level Relative Time Correlation Error LA to LA MagniVu data LA to LA normal data utilizing an internal clock LA to LA normal data utilizing an external clock LA MagniVu to DSO data All measurements typical 2 ns 1 LA Sample 0 5 ns 2 ns 3ns LA to DSO normal data utilizing an internal clock LA to DSO normal data utilizing an external clock DSO to 0504 1 LA sample 1 ns 3 ns 3 ns System Trigger and External Signal Input Latencies56 External System Trigger Input to LA Probe Tip All measurements typical 271 ns External Signal Input to LA Probe Tip via Signal 3 48 212 ns Clk External Signal Input to LA Probe Tip via Signal 1 289 208 ns Clk External System Trigger Input to DSO Probe Tip 27 ns System Trigger and External Signal Output Latencies All measurements typical LA Probe Tip to External System Trigger Out 380 ns Smp LA Probe Tip to Ext
97. ower on tests Use the results of the tests to help you isolate problems to the mainframe or to the modules installed in the system The power on tests ensure that hardware is installed and can be accessed by the software The tests do not provide any performance information but they provide limited diagnostic information The TLA 700 mainframe diagnostics provide more extensive tests than the power on diagnostics The power on tests check the generic hardware including the keyboard mouse memory CPU and associated peripherals The interrupt lines and trigger lines are tested for each installed application module If there are no failures you can view the results of the tests in the Calibration and Diagnostics page under the System menu To view the Extended diagnostics click on the Extended tab Table 6 3 TLA 700 Power on diagnostic tests Component Group amp test Power on Extended TLA 700 mainframe VTC Reset Test VTC Walk1 Test ADG Register Test ADG VXI Addr Test ADG VXI Data Test TLA 700 system Interrupt Lines Trigger Lines X 6 44 TLA 704 Color Portable Mainframe Service Manual Troubleshooting QAPlus WIN If the portable mainframe passes all the BIOS tests the primary tree calls for you to run QAPlus WIN QAPlus WIN is a comprehensive software application to check and verify the operation of the PC hardware in the portable mainframe To run QAPlus Win you must have either a working keyboard or a wor
98. page xiii Other TLA 700 manuals may be required to help you isolate faults other manuals and other sections in this manual may contain instructions you will need to complete repairs after locating a faulty part See the table that follows Manual or Section TLA 700 Series Performance Verification and Adjustment TLA 700 Series Installation Removal and Replacement Instructions in this manual Purpose To check adjust and perform re calibration after circuit board or assembly replacement To remove and reinstall modules in mainframe to reinstall Windows 95 QAPlus Win or TLA 700 Software when required To remove and replace failed replaceable parts Replaceable Parts List in this manual Update the BIOS See page 6 53 in this manual TLA 704 Color Portable Mainframe Service Manual To order replaceable parts To update the portable mainframe BIOS 6 39 Troubleshooting For a list of manuals available for the TLA 700 Logic Analyzer see Optional Accessories on page 10 3 Check for Common Problems Use Table 6 2 to quickly isolate possible failures The table lists problems related to the portable mainframe and possible causes The list is not exhaustive but it may help you eliminate a problem that is quick to fix such as a blown fuse or loose cable Table 6 2 Failure symptoms and possible causes Symptom Possible cause s Portable mainframe will not m Power cord not plugged in power on m
99. pplication module the resource manager will stop further communications and display information on why or at what point the instrument module was disabled Resource Mgr 09 09 97 08 48 49 Auto Exit Off Identify Static Configure Devices Found a device at LA 1 Found a device at LA 2 Identify Dynamic Configure Devices Matching Devices to Slots match la 1 to slot 1 match la 2 to slot 3 Setting VISA Attributes la 1 slot 1 device class 2 id Oxffd model code 0x7f4 addr spc 0 la 2 slot 3 device class 2 id Oxffd model code 0x7f1 addr spc 0 Setting VISA Address Maps A24 device la 1 starting address 200000x size 65536 A24 device la 2 starting address 210000x size 65536 Enabling Events amp Responses la 1 Int ID 1 assigned to IRQ 4 Enabling Events 16 32 124 125 127 la 1 Asynchronous Enable succeeded Responses are unsupported by this device la 2 Int ID 1 assigned to IRQ 4 Enabling Events 16 32 124 125 127 la 2 Asynchronous Enable succeeded Responses are unsupported by this device Begin Normal Operation slot 1 LA 1 started successfully slot 3 LA 2 started successfully VISA Data la_1 1 1 4093 2036 2 0 1 7 2097152 la_2 2 3 4093 2033 2 0 1 7 2162688 Figure 6 18 ResMan32 program output 6 50 TLA 704 Color Portable Mainframe Service Manual Troubleshooting BIOS Setup Error Messages The portable mainframe runs a BIOS test when it boots up If the BIOS test encounters a problem the progra
100. r to the TLA 700 Series Logic Analyzer Installation Manual for complete information on how to install and configure the portable mainframe I O and Memory Hardware This section describes the I O and memory hardware on the portable mainframe including m Color LCD display m Front panel keypad and knobs m Glidepoint point device m Mouse and keyboard connectors m External I O BNCs Wm PCMCIA PC card ports m Rear panel I O ports m Floppy disk drive m Hard disk drive m Memory SIMMs Figure 2 1 on page 2 2 shows the front panel of the portable mainframe and indicates the location of the external I O hardware Figure 2 2 on page 2 3 shows the rear panel of the portable mainframe TLA 704 Color Portable Mainframe Service Manual 2 1 Operating Information Floppy drive Knobs 5 FL Glidepoint EEE Lo DOG O O 26296090 22222 gt Front panel Keyboard TI oooooooooo keyboard Mouse e GGGGALBAAA Color flat panel display Color LCD Display Front Panel Keypad Knobs Glidepoint Point Device Figure 2 1 TLA 704 Color Portable Mainframe front panel The portable mainframe features a 10 4 inch diagonal flat panel LCD active ma trix Thin Film Transistor TFT color display The front panel of the portable mainframe includes a QWERTY keyboard a hexadecimal numeric keyp
101. rame Service Manual 3 3 Theory of Operation 34 TLA 704 Color Portable Mainframe Service Manual AAA PEA Performance Verification Refer to the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual for complete performance verification and calibration certification procedures for the TLA 704 Color Portable Mainframe TLA 704 Color Portable Mainframe Service Manual 4 1 Performance Verification 4 2 TLA 704 Color Portable Mainframe Service Manual EAS AA Adjustment Procedures There are no adjustment procedures specific to the TLA 704 Color Portable Mainframe TLA 704 Color Portable Mainframe Service Manual 5 1 Adjustment Procedures 5 2 TLA 704 Color Portable Mainframe Service Manual Maintenance Preparation Preventing ESD A This chapter provides procedures for inspecting and cleaning the portable mainframe removing and replacing internal chassis components and isolating problems to the board or replacement part level To repair you must exchange or replace the failed part this manual does not provide component level procedures for isolating components on the failed part The information in this chapter is designed for use by qualified service person nel Read the Safety Summary at the front of this manual before attempting any procedures in this chapter Refer to the Operating Information chapter for information on the location of controls indicators and connectors used w
102. ray 6 Do the Rear Chassis Fan Tray installation procedure page 6 22 Screw e v Hold down bracket Enel Fan Cm Q RNR LY Y N 0 K 00 GU a A K M Wu 5 0 De v Y A O D eu N A Figure 6 9 Individual fan removal TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures Flip Stands and Rear Feet You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 and a small Philips screwdriver Table 6 1 item 4 page 6 6 to perform this procedure Removal Use the following procedure to remove the flip stands and rear feet 1 Locate the parts to be removed in the locator diagram External parts Figure 6 1 on page 6 8 2 Set the mainframe so the rear panel is on the work surface and the bottom faces you 3 Dothe Bottom Cover removal procedure page 6 14 4 Remove the two screws attaching the flip stand or rear foot to the bottom cover See Figure 6 10 on page 6 25 Remove screws 2 0 Rear feet Flip stands Figure 6 10 Flip stand and rear feet removal Installation Use the following procedure to reinstall the flip stands and rear feet 1 Reattach the flip stand or rear foot to the bottom cover 2 Do the Bottom Cover installation procedure page 6 15 TLA
103. rd to display adapter board Defective cable from inverter board to backlighting display lamp Defective backlighting display lamp Faulty display Faulty controller board Faulty inverter board Faulty front panel interface board Module firmware incompatible with mainframe software version Refer to the TLA 700 Series Installation Manual for software and module firmware update instructions TLA 700 system problem Execute the internal resource manager program to determine if the mainframe recognizes any installed modules Refer to instructions on page 6 48 Faulty module Refer to appropriate module service manual for further troubleshooting information BIOS error messages Eliminate Other Problem Sources Refer to the BIOS error message table on page 6 51 The portable mainframe is part of the TLA 700 Series Logic Analyzer which comprises modules and one of two mainframes in this case the TLA 704 Color Portable Mainframe If power on diagnostics indicate that an LA or DSO module test failed troubleshoot the module using the TLA service manual for the module TLA 704 Color Portable Mainframe Service Manual 641 Troubleshooting Troubleshoot the TLA 704 Portable Mainframe Equipment Required Fault Isolation Procedure 6 42 Follow the procedure in this section to identify the failed part within the portable mainframe You will need a digital voltmeter to check power supply voltages as described o
104. re 6 19 BIOS jumper location 7 After installing the BIOS jumper reassemble the instrument The new BIOS requires you to change the CMOS BIOS settings This only has to be done once To change the CMOS BIOS settings follow these steps 1 AS Insert the BIOS software floppy disk into the disk drive Power the instrument on The floppy disk is a bootable floppy At the A gt prompt type phlash and press lt Return gt When the install program completes press any key at the prompt Remove the floppy disk from the floppy disk drive Perform the following steps to configure the BIOS CMOS setup You may want to refer to the TLA 700 Series Installation Manual for a complete list of the parameters for the CMOS setup 1 2 Power the instrument off and then on During the boot up process press the lt F2 gt key to enter the CMOS Setup You may see a Checksum Error message This is because you have not yet configured the CMOS setup Select Continue from the menu to load the default values TLA 704 Color Portable Mainframe Service Manual Troubleshooting Wwe RN 11 12 13 14 15 16 17 18 19 In the CMOS setup main menu select IDE Adapter 0 Master and then select Autotype for the hard disk drive type Enter the Advanced menu and scroll to the Advanced Chipset Control submenu and select it by pressing the lt Return gt key a Set the DRAM memory speed to 60 ns b Press the lt
105. rocedures General Instructions Summary of Procedures NOTE Read the following general instructions before removing a part Follow ing these instructions helps ensure that you remove the part to be serviced while removing the minimum number of additional parts First read over the Summary of Procedures that follows to understand how the procedures are grouped Then see Table 6 1 for a list of the tools needed to remove and install replaceable parts in this mainframe If you are removing a part for service begin by looking up the procedure for that part If any procedures are listed as required in advance in order to gain access to the part perform those procedures first Procedures are described in the order in which they appear in this section In addition you can look up any procedure for removal and reinstallation of any replaceable part in the Table of Contents of this manual m Procedures for External Parts on page 6 7 are procedures for removing parts that do not require internal access to the mainframe m Procedures for Internal Parts on page 6 28 are procedures for removing parts that require internal access to the mainframe Equipment Required Most parts in this mainframe can be removed with a screwdriver handle mounted with a size T 15 Torx screwdriver tip Use this tool whenever a procedure step instructs you to remove or install a screw unless a different size screwdriver is specified in that step All equipm
106. ss space management windowing bus arbitration and MODID control lines A Tektronix designed ASIC manages the trigger lines cross connecting any of the 10 backplane trigger lines ECL and TTL to any of the four BNC ports on the rear I O panel of the mainframe The VTC ASIC supports several standard TLA 704 Color Portable Mainframe Service Manual Theory of Operation trigger protocols and several custom features including time interpolation to support individual module applications Front Panel The Interface Board interconnects the Controller Board the flat panel display Interface Board the floppy disk drive the front panel keypad and glidepoint and the external mouse and keyboard ports Dual 50 pin cables connect the Front Panel Interface Board to the Controller Board The Interface Board also supplies the PC speaker Front Panel Controls The Front Panel Controls Board combines signals from the front panel hex Board keypad the front panel QWERTY keypad and an external keyboard to generate or receive standard keyboard scan codes from the Controller Board Keys are controlled via a 6805C processor A second 6805C processor controls the five front panel knobs and the glidepoint Mechanical Chassis The Mechanical Chassis provides the mechanical support structure for the instrument and includes the cooling system the modular card cage the EMI shielding system and all the subsystems previously listed TLA 704 Color Portable Mainf
107. stics 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 portable mainframe For complete installation and configuration procedures refer to the TLA 700 Series Installation Manual Theory of Operation contains circuit descriptions that support general service to the circuit board or replacement part level m Performance Verification refers you to the TLA 700 Series Performance Verification and Adjustment Manual that contains the performance verifica tion procedures for the portable mainframe and for other major components in TLA 700 Series Logic Analyzers m Adjustment Procedures notes that the portable mainframe requires no adjustment m Maintenance contains information and procedures for doing preventive and corrective maintenance on the portable mainframe Included are instructions for cleaning for removal and installation of replaceable parts and for troubleshooting product failures Instructions for shipping the module are also found in this chapter m Options contains information on the factory installed options that may be available for the portable mainframe TLA 704 Color Portable Mainframe Service Manual ix Preface m Diagrams contains a block diagram and an interconnection diagram useful for isolating failed circuit boards or assemblies m Mechanical Parts List includes a table of all replaceable p
108. t is a parallel printer port This parallel printer port supports standard Centronics mode Enhanced Parallel Port EPP or Microsoft high speed mode ECP and utilizes a 36 pin high density Centronics compliant connector See Table 2 3 for pin assignments Table 2 3 LPT parallel interface pin assignments Pin number Pin function Pin number Pin function 1 BUSY 19 GND 2 SLCT 20 GND 3 ACK 21 GND 4 ERR 22 GND 5 PE 23 GND 6 DO 24 GND 7 D1 25 GND 8 D2 26 GND 9 D3 27 GND 10 D4 28 GND 11 D5 29 GND 12 D6 30 GND 13 D7 31 GND 14 INIT 32 GND 15 STB 33 GND 16 SLIN 34 GND 17 AFD 35 GND 18 HI 36 GND See IEEE specification P 1284 C for pin connection definitions for other modes TLA 704 Color Portable Mainframe Service Manual Operating Information Floppy Disk Drive FDD Hard Disk Drive HDD Memory SIMMs The TLA 704 Color Portable Mainframe has one standard 1 2 inch drive that supports 3 5 inch 1 44 MByte high density double sided floppy disk media The TLA 704 Color Portable Mainframe has one standard 2 5 inch IDE drive that interfaces directly to the controller via an Enhanced Integrated Device Electron ics IDE interface The Hard Disk Drive HDD is available in two configura tions the 840 MByte minimum configuration and the 2 16 GByte configuration Configurations offered are subject to change this manual lists configurations available at the time the product was introduced The TLA 7
109. t product introduction TLA 704 Color Portable Mainframe Service Manual Specifications Table 1 2 Display system Characteristic Classification Display Memory Size Width Display Selection Description Standard PC graphics accelerator technology bitBLT based capable of Supporting both internal color LCD display and external color SVGA XGA monitor DRAM based frame buffer memory 1 MByte 32 bit Hardware sense of external SVGA monitor during BIOS boot sequence defaults to internal color LCD display automatically switches to external SVGA monitor if attached Dual simultaneous display of external SVGA monitor and internal color LCD is possible via special CMOS simulscan setup as long as internal and external displays operate at same resolution limited to 640x480 on current TFT LCD and display rates Dynamic Display Configuration 1 DDC1 support for external SVGA monitor is provided External Display Drive Display Size Internal Display Classification Resolution Color Scale 1 SVGA XGA compatible analog output port Resolution Pixels Colors DDC1 640x480 256 yes 640x480 64K yes 640x480 16 8M no 800x600 256 yes 800x600 64K yes 1024x768 256 yes Thin Film Transistor TFT 10 4 active matrix color LCD display CCFL backlight intensity controllable via software 640 pixels horizontal by 480 pixels 262 144 colors 6 bit RGB Table 1 3 Backplane interface Characteristic Sl
110. t the center screw into the controller board Insert the two screws securing the controller board to the chassis at the back panel Reattach the three cables located near the bottom front corner of the controller board Reposition the EMI shield and then insert the eight screws that secure it to the chassis Do the Left Side Cover installation procedure page 6 17 Refer to the TLA 700 Series Performance Verification and Adjustment manual for post repair calibration procedures TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures RAM SIMMs You will need a screwdriver with a size T 15 Torx tip Table 6 1 items 1 and 2 page 6 6 to perform this procedure Removal Use the following procedure to remove the RAM SIMMs 1 Locate the SIMM boards in the locator diagram Internal parts Figure 6 13 on page 6 29 Note that there are two SIMM boards an upper and a lower 2 Set the mainframe so the bottom is on the work surface and the left side faces you 3 Do the Left Side Cover removal procedure page 6 16 4 Remove the two screws securing the EMI shield to the chassis and then lift off the EMI shield 5 Press outward on the clips holding each SIMM board to the controller board and then lift off the SIMM board Installation Use the following procedure to install new SIMM boards 1 Insert the new SIMM boards Press down gently until the clips that hold the SIMM boards to the control
111. the handle Removal Use the following procedure to remove the handle 1 Set the mainframe so the bottom is on the work surface and the right side the side with the handle faces you Do the Right Side Cover removal procedure page 6 17 Remove the two inner screws connecting the handle to the power supply See Figure 6 12 on page 6 27 Lift off the plastic handle mount and handle Remove inner screws 2 Figure 6 12 Handle removal Installation Use the following procedure to reinstall the handle 1 2 Attach the handle and plastic handle mount to the power supply Do the Right Side Cover installation procedure page 6 17 TLA 704 Color Portable Mainframe Service Manual 6 27 Removal and Installation Procedures Procedures for Internal Parts 6 28 Figure 6 13 on page 6 29 shows the locations of the internal parts of the TLA 704 Color Portable Mainframe Procedures for removing and replacing these parts are presented in the following order Controller Board DRAM SIMMs Backplane Board Floppy Disk Drive Hard Disk Drive Interface Board Front Panel Control Board Glidepoint Assembly Elastomeric Keypad TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures T Rear panel Hard disk drive 0 Floppy disk drive X UI IL YY i YN Mi X Y e 7 lt Jd e Lait
112. 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 if applicable and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections TLA 704 Color Portable Mainframe Service Manual vii Service Safety viii TLA 704 Color Portable Mainframe Service Manual A Cc l Preface This is the service manual for the TLA 704 Color Portable Mainframe 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 following this preface for safety and other important background information needed before using this manual for servicing this product Manual Structure The TLA 704 Color Portable Mainframe Service Manual is divided into chapters which are made up of related subordinate topics These topics can be cross referenced as sections Be sure to read the introductions to all procedures These introductions provide important information needed to do the service correctly safely and efficiently A brief description of each chapter follows W Specifications contains a product description of the portable mainframe and tables of the characteri
113. tronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY 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 TEKTRONIX SERVICE OPTIONS Tektronix offers the following service options These options are modular flexible and easy to order with your instru ment Designed to ease installation and start up to support tracking of calibration to requirements of ISO9000 and to provide for extended repair coverage these options help fix your long term maintenance costs and eliminate un planned expenditures And these options can be converted from service at Tektronix service depots to service on site see Option S3 which helps keep downtime to a minimum Product installation service Option IN Provides initial installation of the product and familiarizes new users with some of its opera tio
114. you Remove the screws that attach the flat panel display assembly to the mainframe two screws at the bottom of the assembly on the front of the TLA 704 Color Portable Mainframe Service Manual Removal and Installation Procedures instrument two screws on the top and one screw on the left side See Figure 6 4 on page 6 13 5 Lift the bottom edge of the flat panel display assembly and rotate 1t upward and off the front face of the mainframe 6 Detach the cable connecting the flat panel display assembly to board Remove screws OS i DN p 7 gt 6 me bo a A O o O 0 D Se N SN SS 3 N En p as 8 2 q O g Disconnect 2 o the cable P 2 Flat panel display assembly Figure 6 4 Flat panel display assembly removal TLA 704 Color Portable Mainframe Service Manual the interface g e AS ay AC CD 77 _ El 20 J PII ASD 2 JI 7 6 13 Removal and Installation Procedures Installation Front Panel Knobs Removal Installation Bottom Cover 6 14 Removal Use the following procedure to reinstall the flat panel display assembly 1 Reattach the cable connecting the flat panel display assembly to the interface board 2 Reinstall the flat panel display assembly by first inserting the top edge and then rotating it downward into position Be sure the tabs are engaged at the top of the assembly

Service Manual TLA 704 Color Portable Mainframe 070

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