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TLA721 & TLA7XM Service Manual

1. Finish type Mainframes are Tektronix silver gray with dark gray trim on fan pack and bottom feet support rails Benchtop controllers are Tektronix silver gray on front lexan and injector ejector assemblies with a black FDD and PC card ejector buttons 16 7 in eae 26 5 in 42 4 cm 67 cm j j 8 FEF Tee oe 13 7 in Ee yE E FF 35 cm o Er TE 13 3 in 34 cm Figure 1 1 Dimensions of the benchtop and expansion mainframe TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 15 Specifications 28 9 in 73 4 cm Min to ee gt 33 9 in 86 1 cm Max 13 25 in 33 66 cm Figure 1 2 Dimensions of the benchtop and expansion mainframe with rackmount option Table 1 11 Certifications and compliances Category EC Declaration of Conformity EMC Standards or description Meets intent of Directive 89 336 EEC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 61326 EMC requirements for Class A electrical eq
2. oo kb bl ie Figure 2 2 Front view of the benchtop chassis with a benchtop controller On Standby Switch The On Standby switch on the top left corner of the front panel applies DC voltages to the mainframe The switch is a momentary contact switch The switch is lighted when DC voltages are applied to the instrument TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 3 Operating Information Fuse AC Power AC Power Connector Chassis Ground Screw Fan Speed Switch Passive Monitor Connector 2 4 a AH e ola d a ae Ld Figure 2 3 shows the rear view of the mainframe along with some of the key connectors 25 Pin PASSIVE MONITOR connector Figure 2 3 Rear view of the benchtop chassis The AC power connector is located on the rear bottom left side of the instru ment The AC fuse holder is located just above the power connector The chassis ground screw can be u
3. JP1 Figure 6 13 Soft power down jumper setting 2 Install the backplane board following the removal procedures in reverse order TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Special Configuration Options A Remote Power Switch Configuration This section contains information for configuring the mainframe for specific situations not documented earlier in this manual These special configuration options require you to disassemble parts of the mainframe to access jumpers or circuit boards CAUTION To avoid damage from high currents on the backplane always power off the mainframe and disconnect the power cord before performing any of the configuration procedures described in this section You can control the power on function of the benchtop mainframe using the front panel On Standby switch and from a remote momentary switch through the connections of the 25 pin rear panel connector If you connect a remote switch to pins 5 and 18 return side of the 25 pin connector the remote switch and the front panel On Standby switch control the power on functions of the chassis You can also disable the front panel switch and control the power on functions from the remote switch only The backplane has two connectors that control the power on functions If the front panel switch is connected to the backplane at J22 the switch c
4. MODID12 7 MODIDO1 default Figure 2 6 Enhanced monitor board jumpers You can also select the source of the 5 V Standby voltage If you source the 5 V Standby voltage from the 5 V external supply monitor backup power supply connector then the external supply will provide the backplane with the 5 V external voltage 1 A maximum If you source the 5 V Standby voltage from the 25 pin connector you must provide the 5 V to pins 8 and 21 of the 25 pin connector The default jumper setting is to provide the voltage from the external source 5 V external power supply The enhanced monitor can answer to the slot 1 or slot 12 MODID line for the configuration manager The default position is slot 12 In order to flash the enhanced monitor board with the latest firmware you need to install a firmware loader jumper at the location shown in Figure 2 7 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 9 Operating Information MOD ID jumper Flesh jumper Figure 2 7 Enhanced monitor board flash jumper Enhanced Monitor RS 232 The Enhanced Monitor includes a 9 pin RS 232 connector that allows connec Connector tion to a RS 232 host Figure 2 8 shows the pin assignments of the
5. Checklt Utilities diagnostics 4 3 Performance Verification Procedures 4 4 Power on and Fan Operation Extended Diagnostics Complete the following steps to check the power on and fan operation of the TLA721 Benchtop Mainframe and the TLA7XM Expansion mainframe if installed You will need a mainframe with an LA or DSO module installed in each mainframe 1 Power on the benchtop mainframe and observe that the On Standby switch illuminates 2 If you have an expansion mainframe attached check that the expansion mainframe automatically powers on 3 Check that the fan spins without undue noise 4 If everything is properly connected and operational you should see the modules and expansion mainframe with its modules in the System window of the logic analyzer application 5 If there are no failures indicated in the System window the power on diagnostics pass when you power on the mainframe s Do the following steps to run the extended diagnostics NOTE Running the extended diagnostics will invalidate any acquired data If you want to save any of the acquired data do so before running the extended diagnostics You will need a mainframe with an LA or DSO module installed in each mainframe Equipment Cable 50 Q coaxial item 7 required Prerequisites Warm up time 30 minutes Perform the following tests to complete the functional verification procedure 1 If you have not alr
6. TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting Table 6 9 Failure symptoms and possible causes Symptom Mainframe does not power on Expansion mainframe does not power on Front panel power switch light comes on but the blower will not operate Monitor does not power on Possible causes and recommended action Verify that all power cords are connected to the mainframe and to the power source Check that the mainframe receives power when you press the On Standby switch Check that fans start and that front panel indicators light Check that power is available at the power source Check for failed fuses Mainframe failure contact your local Tektronix service center Verify that all power cords are connected to the expansion mainframe and to the power source Check that all of the TLA 7XM expansion modules are firmly seated and that the mounting screws on the TLA 7XM expansion modules are tightened Check that the cables between the mainframe and the expansion mainframe are correctly connected A A B B and C C Check that the TLA 7XM expansion module is in slot O of the TLA 7XM expansion chassis Check that power is available at the power source Check for failed fuses Expansion mainframe failure contact your local Tektronix service center Check for faulty blower cable Check for defective bower Power supply failure contact your local Tektronix service center
7. Table 1 11 Certifications and compliances Cont Category Installation Overvoltage Category Pollution Degree Safety Certification Compliance Equipment Type Safety Class Overvoltage Category Pollution Degree Standards or description Terminals on this product may have different installation overvoltage category designations The installation categories are CAT Ill Distribution level mains usually permanently connected Equipment at this level is typically in a fixed industrial location CAT Il Local level mains wall sockets Equipment at this level includes appliances portable tools and similar products Equipment is usually cord connected CAT Secondary signal level or battery operated circuits of electronic equipment A measure of the contaminates that could occur in the environment around and within a product Typically the internal environment inside a product is considered to be the same as the external Products should be used only in the environment for which they are rated Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Test and measuring Class 1 as defined in IEC61010 1 Annex H grounded product Overvoltage Category II as defined in IEC61010 1 Annex J P
8. CLK10 The CLK10 is a differential ECL signal that provides system timing and reference The CLK10 is transmitted to the expansion mainframe from the benchtop mainframe Power On Sequence On power up the expansion module determines correct configuration of the expansion modules and the expansion cables TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 3 7 Theory of Operation Automatic Power Control 3 8 Primary mainframe expansion module Register based interface Primary MF backplane Trigger and y Clock Buffers Expansion cable s Second expansion mainframe module Control and Diagnostic Registers Expansion MF backplane Trigger and Clock Buffers Figure 3 3 Benchtop and expansion mainframe block diagram The expansion module controls the power on and power off of the expansion mainframe When the benchtop mainframe is powered on a signal is sent to the expansion mainframe causing the expansion mainframe to power on The same signal is sent to the expansion mainframe upon power down Automatic power on and automatic power off only work when the primary power switch on the expansion mainframe is closed TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual NAS ATA es Performance Verification Procedures Summary Verification Test Equipment This chapter contains pro
9. 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 The COM port on the benchtop controller is an industry standard RS 232 serial port Table 2 11 lists the pin assignments for the port Table 2 11 RS 232 Port 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 The system trigger input is a TTL compatible signal input that is user definable in software This connector is a sub miniature bayonet SMB connector The system trigger output is a TTL compatible output signal that is user definable in software This connector is a sub miniature bayonet SMB connector The external signal Input is a TTL compatible input signal that is user definable in software This connector is a sub miniature bayonet SMB connector TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Ext Sig Out Connector The external signal output is a TTL compatible output signal that is user definable in software This connector is a sub miniature bayonet SMB connector LPT Port The LPT port is a parallel printer port This parallel printer port supports standard Centronics mode Enhanced Parallel Port EPP or Microsoft high speed mode ECP and has a 36 pin high density Centronics compliant connector See Table 2 12 for pin assignments Table 2 12 LPT port pin as
10. Manual name The Tektronix Logic Analyzer Family User Manual The TLA715 Portable Mainframe Service Manual The TLA7Nx TLA7Px TLA7Qx Logic Analyzer Module Service Manual The TLA7Dx TLA7EX Digitizing Oscillo scope Module Service Manual The TLA7PG2 Pattern Generator Module Service Manual Description Provides basic operation and installation information for the Tektronix Logic Analyzer Family Provides service information for the TLA715 Portable Mainframe Provides service information for the logic analyzer modules Provides service information for the DSO modules Provides service information for the pattern generator modules Service use Installation and removal of LA DSO and pattern generator modules as well as the mainframes Reinstallation of the system and application software Isolating and correcting failures in the portable mainframe and expansion mainframes Isolating and correcting failures in the logic analyzer module Performing periodic or after repair function al or performance verifications calibrations and certifications for the logic analyzer modules Performing periodic or after repair adjust ments for the logic analyzer modules Isolating and correcting failures in the DSO module Performing periodic or after repair function al or performance verifications calibrations and certifications for the DSO modules Performing periodic or after repair adjust m
11. mental standards This section contains the 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 14 symbol are checked in the Performance Verification chapter in this manual The specifications listed in this section are valid under the following conditions The instrument must reside in an environment with temperature altitude and humidity within the operating limits described in Table 1 9 beginning on page 1 13 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications m The instrument has has a warm up period of at least 20 minutes Tables 1 1 through 1 2 list the specifications for the TLA721 Benchtop Controller Table 1 1 Benchtop controller characteristics Characteristic Operating system Microprocessor Main memory Available configurations Installed configuration Speed CAS latency RAS to CAS delay RAS precharge DRAM cycle time Cache memory Flash BIOS Description Microsoft Windows 2000 Intel 733 MHz Pentium Ill configuration with an Intel 815E chip set Two 144 pin SODIMM sockets support one or two SDRAM modules 16 32 64 256 MB per SODIMM 512 MB maximum configuration 133 MHz 2 3 2 3 2 3 5 7 or 7 9 512 KB level 2 L2 write back cache 512 KB Provides PC plug and play services with
12. 6 42 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures 10 Connect the ribbon cable from the interface board to the processor board Place the board assembly into the chassis as shown in Figure 6 23 on page 6 40 Install the six T 10 screws on the interface board bottom that secure the board assembly to the chassis tighten the screws to 3 in Ibs Connect the four SMB cables as listed in Table 6 7 the cable connections are also labeled on the processor board Table 6 7 Signal wire identification Color Signal White EXT SIG OUT Brown EXT SIG IN Red SYSTEM TRIG OUT Orange SYSTEM TRIG IN 11 Install the two T 10 screws from the front of the chassis to the PC card 12 13 14 15 connector housing tighten the screws to 4 in Ibs Install the two T 9 screws from the front of the chassis to the mouse and keyboard connectors tighten the screws to 2 in Ibs Place front panel near the front of the chassis and thread the COM A connector cable through the hole in the chassis Connect the COM cable connector to the COM connector on the processor board Reinstall the hard disk drive interface board the covers and the ejector handles TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 43 Benchtop Controller Removal and Installation Procedures 6 44 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual A A
13. 64 K 16 8 M 60 75 85 800 x 600 256 64 K 16 8 M 60 75 85 1024 x768 256 64 K 16 8 M 60 75 85 1280 x 1024 256 64 K 16 8 M 60 75 85 1600 x 1200 256 60 75 1 4 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Table 1 2 Front panel characteristics Characteristic SVGA output port SVGA Dual USB ports Mouse port Keyboard port Parallel interface port LPT Serial interface port COM PC CardBus32 port Type I Il and Ill PC Card Port Description Two 15 pin sub D SVGA connectors Two USB Universal Serial Bus compliant ports Front panel mounted PS2 compatible mouse port utilizing a mini DIN connector Front panel mounted PS2 compatible keyboard port utilizing a mini DIN connector 36 pin high density connector supports standard Centronics mode Enhanced Parallel Port EPP or Microsoft high speed mode ECP 9 pin male sub D connector to support an RS232 serial port Standard Type and II PC compatible PC card slot Standard Type I Il and III PC compatible PC card slot TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 5 Specifications Table 1 3 Backplane interface Characteristic Slots Benchtop mainframe Expansion mainframe y CLK10 Frequency Relative Time Correlation Error Typical 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 da
14. Check the monitor power cord connection Check for failed fuse Monitor connected to Secondary Video Out port and dual monitor operation not enabled Ensure that the monitor is connected to the Primary Video Out port and that dual monitor mode is enabled Monitor failure contact the vendor of your monitor for corrective action Monitor display is blank Check that the monitor is connected to the mainframe replace the cable if necessary If the monitor connected to the Primary Video Out port is blank try connecting another monitor to the Secondary Video Out port if both displays are blank contact your local Tektronix service center External monitor controls turned down adjust monitor controls for brightness and contrast Check the controller BIOS setups for the monitor Faulty monitor contact the vendor of your monitor for corrective action TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 53 Troubleshooting Table 6 9 Failure symptoms and possible causes Cont Symptom Mainframe powers on but does not complete the power on sequence Hard disk drive related symptoms Benchtop controller fails to boot Benchtop controller not operating Power on diagnostics fail Possible causes and recommended action Power off mainframe and check that all modules are fully inserted If mainframe is a benchtop mainframe check the status of the SYSTEM FAIL and TEST LEDs on the benchtop controller I
15. D15 9 GND BG20UT GND 10 SYSCLK BG3IN SYSFAIL 11 GND BG30UT BERR 12 DS1 BRO SYSRESET 13 DS0 BR1 LWORD 14 WRITE BR2 AM5 15 GND BR3 A23 16 DTACK AMO A22 17 GND AM1 A21 18 AS AM2 A20 19 GND AM3 A19 20 IACK GND A18 21 IACKIN SERCLK A17 22 IACKOUT SERDAT A16 23 AM4 GND A15 24 A07 IRQ7 A14 25 A06 IRQ6 A13 26 A05 IRQ5 A12 27 A04 IRQ4 Ait 28 A03 IRQ3 A10 29 A02 IRQ2 A09 30 A01 IRQ1 A08 31 12 V 5 V STDBY 12 V 32 5 V 5 V 5 V TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 13 Operating Information Table 2 4 P2 connector pinouts for slots 1 12 Pin Row A Row B Row C 1 ECLTRGO 5 V CLK10 2 2 V GND CLK10 3 ECLTRG1 RSV1 GND 4 GND A24 5 2V 5 LBUSA00 A25 LBUSCOO 6 LBUSA01 A26 LBUSCO1 7 5 2 V A27 GND 8 LBUSA02 A28 LBUSC02 9 LBUSA03 A29 LBUSC03 10 GND A30 GND 11 LBUSA04 A31 LBUSC04 12 LBUSA05 GND LBUSCO5 13 5 2 V 5V 2 V 14 LBUSA06 D16 LBUSC06 15 LBUSA07 D17 LBUSCO7 16 GND D18 GND 17 LBUSA08 D19 LBUSC08 18 LBUSA09 D20 LBUSCO9 19 5 2 V D21 5 2 V 20 LBUSA10 D22 LBUSC10 21 LBUSA11 D23 LBUSC11 22 GND GND GND 23 TTLTRGO D24 TTLTRG1 24 TTLTRG2 D25 TTLTRG3 25 5 V D26 GND 26 TTLTRG4 D27 TTLTRG5 27 TTLTRG6 D28 TTLTRG7 28 GND D29 GND 29 RSV2 D30 RSV3 30 MODID D31 GND 31 GND GND 24 V 32 SUMBUS 5 V 24 V 2 14 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service
16. Expansion Module Removal and Installation Procedures This section contains information needed to perform repair or corrective maintenance on the expansion module The internal circuit board in the expansion module is not individually replace able If faults are isolated to the board level return the entire expansion module to a Tektronix Service Center for repair CAUTION Do not remove or install the expansion module when the mainframe is powered on Installing or removing the expansion module when the mainframe is powered on can damage the expansion module or the mainframe WARNING To avoid electric shock always power off the mainframe and disconnect the power cord before servicing These procedures assume that you have removed the expansion module from the mainframe Equipment Required Table 6 8 lists the tools you may need to replace modules in the expansion module Table 6 8 Equipment required to service the expansion module Item Screwdriver with a T 10 tip 3 16 inch nut driver TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 45 Expansion Module Removal and Installation Procedures Ejector Handles Removal Installation 6 46 You will need T 10 Torx tip driver to replace the ejector handles NOTE The labels can be replaced without removing the handles To remove the ejector handles place the module on its right side as shown in Figure 6 26 and remove the screws and f
17. Figure 6 6 Removing the power supply oooooomo mo Figure 6 7 Removing the mainframe cover o oooooooo m o Figure 6 8 Removing the top and bottom card guides Figure 6 9 Replacing the top and bottom nut rails Figure 6 10 Removing the temperature sense board Figure 6 11 Removing the backplane EMI DIN shields Figure 6 12 Removing the backplane ooooooo mo m o Figure 6 13 Soft power down jumper setting Figure 6 14 Power switch connectors ooooooooo mo m o Figure 6 15 Removing the replaceable hard disk drive 4 7 6 6 6 8 6 9 6 9 6 10 6 12 6 13 6 15 6 16 6 18 6 19 6 21 6 22 6 24 6 26 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Table of Contents Figure 6 16 Removing the hard disk drive from the cartridge 6 27 Figure 6 17 Removal and installation of the ejectors 6 28 Figure 6 18 Removing and installing the left and rear covers 6 29 Figure 6 19 Removing and installing the front panel hardware 6 31 Figure 6 20 Removing screws from the front and sides of the controller 422 3 a ria a 6 32 Figure 6 21 Removing and installing the fixed hard disk drive and CD ROM drive 4 is BS 6 35 Figure 6 22 Removal and installation of the button battery and MEMON EN AA Ee eRe eee ae 6 37 Figure 6 23 Removing the processor and interface boards 6 40 Figure
18. Size 0 25 in x 1 25 in Style Slow acting Rating 20 A 250 V Safety UL198G CSA C22 2 Size 0 25 in x 1 25 in Style No 59 Fast acting Rating 15 A 250 V Safety IEC 127 Sheet 1 Size 5 mm x 20 mm Style Fast acting F high breaking capacity Rating 6 3 A 250 V 70 A maximum 16 5 Arms maximum at 90 VACanus 6 3 Arms maximum at 207 VACams 0 99 at 60 Hz operation and 0 95 at 400 Hz operation Front Panel On Standby switch with integral power indicator Table 1 7 Benchtop and expansion mainframe secondary power Characteristic 1 DC Voltage regulation Combined System voltage avail able at each slot Description Voltage Minimum Nominal Maximum 24 V 23 28 V 24 24 V 25 20 V 12 V 11 64 V 12 12V 12 60 V 5 V 4 875 V 5 063 V 5 250 V 2V 2 10 V 2 00 V 1 90 V 5 2 V 5 460 V 5 252 V 5 044 V 12 V 12 60 V 12 12 V 11 64 V 24 V 25 20 V 24 24 V 23 28 V TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 11 Specifications Table 1 8 Benchtop and expansion mainframe cooling Characteristic Cooling system Fan speed control Slot activation Pressurization Slot airflow direction Mainframe air intake Mainframe air exhaust A Temperature readout sensitivity Temperature sense range Clearance Fan speed readout Fan speed range Description Forced air circulation system positive pressurization using a single low noise centripetal squirrel cage fan configu
19. TLA7XM Expansion Mainframe Service Manual Troubleshooting Table 6 12 BIOS error codes and explanations Cont Error code Invalid NVRAM media type Keyboard con troller error Keyboard error Keyboard error nn Operating sys tem not found Parity Check 1 Error code explanation The BIOS can not access the NVRAM The keyboard controller may be defective The keyboard may be missing or defective There may be a stuck or defective key The BIOS returns the address of the key where HEX nn is the address of the key The operating system can not be found A parity error was found on the commu nications bus The BIOS will return the address of the error or display 2 if it cannot Action to be taken Replace the memory SO DIMMs Swap keyboard with a known good keyboard Replace the benchtop controller module Swap keyboard with a known good keyboard Swap keyboard with a known good keyboard Insert a bootable disk into the floppy disk drive and try to reboot Reload the Windows operating system There may be a bad connection between the benchtop controller and the Benchtop Chassis or the benchtop controller is not installed at slot zero and one Turn the power off remove the benchtop controller Inspect the connectors on the rear of the benchtop controller Install the benchtop controller into slot zero and one Apply power and re test Parity Check 2 A parity error
20. USB pin assignments 2c cece ccc c eee eeeee 2 19 Table 2 10 SVGA OUT pin assignments oooooomocmoo o 2 20 Table 2 11 RS 232 Port pin assignments oooooomomoo o 2 20 Table 2 12 LPT port pin assignments o ooooomoomomo 2 21 Table 4 1 Test equipment cece cece eer ee eee eens 4 3 Table 4 2 Functional verification procedures o oooomo 4 3 Table 4 3 Performance verification procedures 4 6 Table 4 4 Power supply voltages at the 25 pin connector 4 7 Table 6 1 External inspection check list o oooomo o 6 3 Table 6 2 Internal inspection check list o ooooomo o 6 4 Table 6 3 Equipment required to service the mainframes 6 5 Table 6 4 Enhanced monitor board jumpers o ooooomoo 6 11 Table 6 5 Mainframe backplane jumpers o ooooomoo o 6 22 Table 6 6 Equipment required to service the benchtop controller 6 25 Table 6 7 Signal wire identification o o ooooo o o o 6 43 vi TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Table of Contents Table 6 8 Equipment required to service the expansion module 6 45 Table 6 9 Failure symptoms and possible causes 6 53 Table 6 10 Command line options for ResMan32 6 57 Table 6 11 Power on diagnostic tests o ooooooomo m o 6 60 Table 6 12 BIOS error codes and explanations 6 62 Table
21. the benchtop mainframe as described in the Tektronix Logic Analyzer Family User Manual 3 Connect the external monitor 4 Power on the monitor 5 Press the On Standby switch to turn on the mainframe if you have an expansion mainframe attached it should automatically power on when you turn on the benchtop mainframe 6 Wait for the instrument to complete the power on self tests start Windows and start the logic analyzer application 2 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Mainframe Controls and Connectors Figure 2 2 shows the front view of the benchtop mainframe with a benchtop controller installed The benchtop mainframe and the expansion mainframe are basically identical with the exception of the front panel labels Slots 3 through 11 are labeled on the top and bottom of the instrument Slots 0 1 and 2 are reserved for the three slot wide controller all other slots are available for any other TLA700 Series module When you install a module shutters on the bottom of each slot automatically open to provide cooling Tektronix Logie Analyzer CTP MIRAE o zu gt fa A APARTA A e ME Ta too Te ran an q 0 Oe El po
22. 00 16 367 0411 00 17 335 0106 00 129 1544 00 214 3106 00 10 16 Serial no effective Serial no discont d Qty Name amp description MODULE ASSY EXPANSION MAINFRAME CARD TLA7XM CIRCUIT BD ASSY MAIN FRAME EXPANSION CARD CHASSIS ASSY AL GASKET EMI 2 912 L CLIP ON BE CU EMI GASKET TIN PLATED SCREW MACHINE 4 40 X 0 250 PNH STL CD PLT T10 SWITCH ROTARY HEXADECIMAL 100MA AT 50VDC RIGHT ANGLE 0 430 W X 0 400 H X 0 202 L COVER APPLICATION SAFETY CONTROLLED SUBPANEL END CAP 0 040 AL ETCH CHROMATE TLA7XM HANDLE EJECTOR BOTTOM SINGLE WIDE MODULE MARKER DENT LABEL MKD FOR USE WITH TLA700 SERIES BOTTOM INJECTOR EJECTOR 0 745 X 0 520 0 010 SCREW PHIL M 2 5 X 8 CSK CDS 92502 25008 WASHER WAVY 2 7MM CDS 92505 25005 92501 25010 SCREW M2 5X10 CHEESEHEAD SHLD GSKT ELEC SYMETRICAL SLOTTED FINGER 0 350 W X 7 5 L RIVIT MTG SNAP IN RIVIT SPACING 1 5 IN SCR ASSEM WSHR 2 56 X 0 437 PNH STL CDPL T 8 TORX DR BRACKET KEYING ALUMINUM 606X T6 HANDLE EJECTOR TOP SINGLE WIDE MARKER IDENT TOP LABEL SPACER POST 0 510L 0 188 HEX 0 135L 4 40 INT SSTL MOUNT TO CONNECTORS HARDWARE KIT JACK SOCKET MOUNT TO TOP CONNECTOR Mfr code 80009 80009 TK1943 30817 93907 81073 TK1943 TK1943 62559 0KB05 93907 H2329 TK2626 0KM03 93907 TK1943 62559 0KB05 TK0588 53387 Mfr part number 650 4131 00 671 4987 XX 441 2214 00 97 613
23. 0000 e eee eee 6 10 Power Supply 2 42 23 22 2 22 220 20 MESES RNG ee an 6 12 Mainframe Cover tics 3 42 20 2 2 20 a Sea Saas pa sa Tose Ee kan 6 13 Card Guides sus A ar Pee eee kee in 6 14 Nut Railsa4 u 2A AA tan ee dan sees as 6 16 Temperature Sense Board 4 00 220 Smash 6 17 EMI DIN ShieldS sien Ramen 2 20 near an 6 19 Backplane hepa ira ne rap par a ES 6 20 Special Configuration Options 00 cee eee cee eee 6 23 Benchtop Controller Removal and Installation Procedures 6 25 Equipment Required 2 e e new 6 25 Replaceable Hard Disk Drive ceros ie iona E EAA 6 26 Injector Ejector Handles oia caera i un rs 6 28 COVE an A A A A EE EET AAA 6 29 Front Panel and Hard Disk Drive Interface Board o o ooooooooo o o 6 30 Fixed Hard Drive neesan irane A ara Haan 6 34 CDROM DVE i ae TEN na 6 36 Button Battery ici ce sea en Ra an euler 6 37 Main Memory tri it eck ee eer BEA se a 6 38 Fl ppy Disk Drive u o 2 08 Bere eae a ner 6 39 Expansion Module Removal and Installation Procedures 6 45 Equipment Required 22 2 2 72 32 208 2 0 wie chee ee Bed ee wees 6 45 Ejector Handles 2 34 Hu ra a a a a aa 6 46 Expansion Module Cover sec rya ae eer eaa E A ee cee eee eee 6 47 Expansion Module Circuit Board oooooooccooccoocnoro eee eee 6 48 Soldered On Components i ee eoe aaa E EE eE EEEE R E ea E 6 49 Troubleshooting eee e s Ma wee ees 6 51 Service Level ii Pai ced aang bie Dada 6 52 C
24. 17 029 ORDER BY DESCRIPTION 94HAB16RA 200 4231 00 386 7267 00 20817 327 335 0646 00 ORDER BY DESCRIPTION 409 013 911 409013905 0493 0070 00 ORDER BY DESCRIPTION 214 4964 00 20817 328 335 0106 00 129 1544 00 3341 18 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Figure 10 6 Expansion module exploded view TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 10 17 Mechanical Parts List Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discontd Qty Name amp description Mfr code Mfr part number 10 7 1 174 4363 00 2 CA ASSY SP ELEC 30 AWG 48 0L 80 TW PAIR 27264 174 4363 00 W D SUB BOTH ENDS PLUG TO PLUG 2 174 4350 00 1 CA ASSY SP SHLD 25 TW PR 24 AWG 36 00L 25 TK6314 174 4350 00 POS RECPT DSUB CRIMP BOTH ENDS 10 8 1 012 1614 00 1 CA ASSY INTEROPTIBILITY ADAPTER CABLE 060D9 012 1614 00 2 174 4583 00 1 CA ASSY SMB TO BNC ADAPTER 060D9 174 4583 00 10 18 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Figure 10 8 IView cables TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 10 19 Mechanical Parts List 10 20 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual
25. 7 1 TLA721 Service Options o ooooomommomo 7 1 Table 7 2 TLA7XM Service Options o ooooomoomomo 7 1 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual vii Table of Contents viii TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AA AAA IA General Safety Summary To Avoid Fire or Personal Injury 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 Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult th
26. 9 pin RS 232 connector Table 2 2 describes the pin assignments Use this port to read the status of the mainframe using the SCPI commands documented at the end of this chapter 2 10 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Table 2 2 RS 232 pin connector Pin Description Shield Protective Ground 1 No Connection Receive Data RxD Transmit Data TxD Data Terminal Ready DTR Signal Ground GND No Connection Request to Send RTS Clear to Send CTS No Connection olo N Dm oa a wy m RS 232C 1 0 levels 25 VDC MAX 1A MAX PER PIN O EE Pin 9 Figure 2 8 Enhanced Monitor RS 232 connector TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 11 Operating Information Backplane Connectors 2 12 Table 2 3 shows the P1 connector pinouts for all slots in the mainframe Table 2 4 shows the P2 connector pinouts for slots 1 to 12 and Table 2 5 shows the pinouts for the Slot O P2 connector TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Table 2 3 P1 connector pinouts Pin RowA Row B Row C 1 D00 BBSY D08 2 D01 BCLR D09 3 D02 ACFAIL D10 4 D03 BGOIN D11 5 D04 BGOOUT D12 6 D05 BGIIN D13 7 D06 BG10UT D14 8 D07 BG2IN
27. HEIGHT SAFETY CONTROLLED 6 119 5677 00 1 FLOPPY DISK DRIVE 3 5 INCH 1 44 MBYTE NA NA 7 174 4195 00 4 CABLE ASSY COAXIAL CABLE PELTOLA TO SMB 060D9 44 0162 01 SET OF FOUR 8 119 6494 00 1 DISK DRIVE WINCHESTER 2 5 IN 30 0GB SINGLE 9F560 119 6494 00 PLATTER IDE 07N4392 9 174 3925 00 1 CA ASSY SP RIBBON CD ROM AUDIO CABLE DC 44 28 060D9 174 3925 00 AWG 1MM 1 0 L 2 X 22 0 079 CTR 2MM 10 671 4378 00 1 CIRCUIT BD ASSY HARD DISK DRIVE 80009 671 4378 00 11 437 0494 00 1 CABINET ASSY PLASTIC REMOVEABLE HARD DISK DRIVE 7X318 437 0494 00 HOLDER DOES NOT INCLUDE HARD DISK DRIVE 12 211 1081 00 4 SCREW MACHINE M3 X 0 5 X 3 5MM FLAT WAFER HD 0KB01 211 1081 00 W SERRATIONS STRESS RELIEVED PHL 0 0002 STL ZI PL 650 4272 00 1 DRIVE ASSEMBLY REMOVEABLE HARD DISK DRIVE MAX 80009 650 4272 00 REPLACEABLE HDD W O SOFTWARE INSTALLED TLA700 10 14 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Figure 10 5 Benchtop controller exploded view internal parts 10 15 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Replaceable parts list Fig amp index Tektronix number part number 10 6 0 650 4131 00 1 671 4987 XX 2 441 2214 00 3 348 1434 00 4 211 0373 00 5 260 2597 00 6 200 4231 00 7 386 7267 00 8 367 0410 00 9 335 0646 00 10 950 4827 00 11 950 3794 00 12 950 4448 00 13 348 1365 01 14 211 0391 00 15 214 4964
28. Identify Dynamic Configure Devices Finding expansion devices Matching Devices to Slots Configuring slots for 2 instruments match la 1 to slot 1 in frame 0 match la 2 to slot 3 in frame 0 Checking device self test Setting VISA Attributes la 1 slot 1 device class 2 manf_id Oxffd model code Ox7eb addr spc 0 la 2 slot 3 device class 2 manf_id Oxffd model code Ox7f4 addr spc 0 Setting VISA Address Maps A24 device la 1 reqmem 7 A24 device la 1 starting address 200000x size 65536 A24 device la 2 reqmem 7 A24 device la 2 starting address 210000x size 65536 Enabling Events amp Responses Default IRQ for system 4 la 1 Int ID 1 assigned to IRQ 4 Enabling Events 8 9 16 32 47 63 124 125 127 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 Frame 0 Slot 01 Ja_1 1 1 4093 202 7 2 2097152 Frame 0 Slot 03 la_2 2 3 4093 2036 2 0 1 7 0 1 7 2162688 Figure 6 29 ResMan32 program output 6 58 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting Eliminate other Problem Sources The TLA700 Series Logic Analyzer comprises modules and the benchtop mainframes The following procedures will help you elimina
29. Mainframe Service Manual v Table of Contents List of Tables Table i Tektronix Logic Analyzer Family Documentation XV Table 1 1 Benchtop controller characteristics 1 3 Table 1 2 Front panel characteristics o oooooooomom o 1 5 Table 1 3 Backplane interface 0 cece eee c ween ee eeee 1 6 Table 1 4 External signal interface 0 cece ee ee ween 1 7 Table 1 5 Backplane latencies 0 cece cece cece eens 1 9 Table 1 6 Benchtop and expansion mainframe AC power source 1 11 Table 1 7 Benchtop and expansion mainframe secondary power 1 11 Table 1 8 Benchtop and expansion mainframe cooling 1 12 Table 1 9 Atmospheric characteristics o oooomoomom o 1 13 Table 1 10 Mechanical characteristics ooooooomomo o 1 14 Table 1 11 Certifications and compliances o oooomoo 1 16 Table 2 1 Passive monitor connector pinouts o o oooo o o 2 6 Table 2 2 RS 232 pin connector cece cece ec ee eee enees 2 11 Table 2 3 Pl connector pinouts o oooooooocoocmommom 2 13 Table 2 4 P2 connector pinouts for slots 1 12 2 14 Table 2 5 P2 connector pinouts for slot0 o oooooo o 2 15 Table 2 6 Mouse port pin assignments o ooooomoomomo 2 17 Table 2 7 Keyboard port pin assignments o ooooomoo o 2 17 Table 2 8 PC CardBus32 port pin assignments o o oo o 2 19 Table 2 9
30. Manual 2 5 Operating Information 2 6 Table 2 1 Passive monitor connector pinouts Pin Function 1 5 VM 2 12 VM 3 24 VM 4 2 VM 5 ON ST 6 5 VC 7 12 VC 8 5 VB 9 GND 10 SYSRESET Description 5 V for voltage monitoring To monitor only use a probe with greater than 1 M amp 2 impedance 12 V for voltage monitoring To monitor only use a probe with greater than 1 M amp 2 impedance 24 V for voltage monitoring To monitor only use a probe with greater than 1 M amp 2 impedance 2 V for voltage monitoring To monitor only use a probe with greater than 1 M amp 2 impedance Remote On Standby Power Switch 5 V output for charging batteries running external TTL circuitry 1 A maximum 12 V output for charging batteries running external TTL circuitry 1 A maximum Input for 5 V standby voltage for example from an external battery Maximum of 1 A total pins 8 and 21 combined Logic Ground Backplane SYSRESET signal input or output If you use this pin do not violate VXIbus electrical specifications keep the extender cable as short as possible 11 AT An analog output signal proportional to the maximum temperature rise of the 13 modules 100 mV C 0V 0 C 12 TACH1 A square wave output signal whose period is proportional to the speed of fan number 1 13 TACH2 A square wave output signal whose period is proportional to the speed of fan number 2 when a second fan is used
31. Modules DSO2 Wait for System Trigger DSO to LA inter module ARM TTLTRG2 4 5 6 5 192 ns Clk 156 ns Clk DSO to DSO inter module ARM TTLTRG2 4 5 6 59 ns 95 ns DSO to LA inter module via Signal 1 2 ECLTRGO 1 5 6 179 ns Clk 158 ns Clk DSO Trigger and set Signal 1 LA Wait for Signal 1 then Trigger DSO to LA inter module via Signal 3 4 TTLTRGO 1 5 184 ns Clk 148 ns Clk DSO Trigger and set Signal 3 LA Wait for Signal 3 then Trigger 1 SMPL represents the time from the event at the probe tip inputs to the next valid data sample of the LA module In the Normal Internal clock mode this represents the delta time to the next sample clock In the MagniVu Internal clock mode this represents 500 ps or less In the External clock mode this represents the time to the next master clock generated by the setup of the clocking state machine the system under test supplied clocks and the qualification data 2 All system trigger and external signal input latencies are measured from a falling edge transition active true low with signals measured in the wired OR configuration 3 All signal output latencies are validated to the rising edge of an active true high output 4 In the 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 5 CIk represents the time to the
32. Option ooooooooooomomonPn P2 2 Figure 2 1 Power cord identification chart Figure 2 2 Front view of the benchtop chassis with a benchtop controller ic reelle CESS Figure 2 3 Rear view of the benchtop chassis Figure 2 4 Passive monitor connector oooooooooo m o Figure 2 5 Rear view of the enhanced monitor Figure 2 6 Enhanced monitor board jumpers Figure 2 7 Enhanced monitor board flash jumper Figure 2 8 Enhanced Monitor RS 232 connector Figure 2 9 Front view of the benchtop controller Figure 2 10 Front view of the benchtop controller Figure 3 1 Interconnection and block diagram for the benchtop mainframe and controller 0 ccc cece cece rece eees Figure 3 2 Mainframe block diagram o oooooomo m o Figure 3 3 Benchtop and expansion mainframe block diagram Figure 4 1 Calibration certification procedure flow chart Figure 4 2 Benchtop and expansion mainframe 25 pin rear panel CONMEC N au 8000 ae EEKEREN EERE Figure 6 1 Installing the empty slot panel fillers Figure 6 2 Location of blower assembly screws Figure 6 3 Removing the blower assembly o o o o Figure 6 4 Removing the blower oooooooooomo m o Figure 6 5 Removing the enhanced monitor board
33. PACIFIC ELECTRICORD CO 86928 SEASTROM MFG CO INC 8X345 NORTHWEST SPRING MFG CO 93907 CAMCAR DIV OF TEXTRON INC 9F560 IBM CORPORATION H2329 AEG NEDERLAND NV 34416 PARSONS MANUFACTURING CORP 3109 FELLER U S CORPORATION TK0588 UNIVERSAL PRECISION PRODUCT TK2157 CONNECTOR TECHNOLOGY INC TK2208 NORTHWEST RUBBER EXTRUDERS INC TK2469 UNITREK CORPORATION TK2541 AMERICOR ELECTRONICS LTD TK2548 XEROX CORPORATION TK2626 OPTIMA ELECTRONIC PACKAGING SYSTEMS TK2637 SAMSUNG ELECTRONICS TK6314 MCX INC 10 4 Address 50631 E RUSSELL SCHMIDT BLVD BUSSMAN PARTS C O CASEY LAKEY 14525 SW WALKER ROAD 800 E NORTHWEST HWY 11013 A NE 39TH 14150 SW KARL BRAUN DR PO BOX 500 747 WEST REDONDO BEACH 456 SEASTROM STREET 5858 WILLOW LANE ATTN ALICIA SANFORD 516 18TH AVE 420 E SOUTH TEMPLE ST ALETTA JACOBSLAAN 7 POSTBUS 18 1066 BP 1055 O BRIEN DRIVE 72 VERONICA AVE 1775 NW CORNELIUS PASS RD 5065 E HUNTER AVE 16748 SW 72ND AVE 3000 LEWIS 8 CLARK HWY SUITE 2 2682 W COYLE AVE 14181 SW MILLIKAN WAY 2166 MOUNTAIN INDUSTRIAL BLVD 18600 BROADWICK ST 1315 OREGON AVE City state zip code MT CLEMENS MI 48045 BEAVERTON OR 97006 DES PLAINES IL 60016 3049 VANCOUVER WA 98662 BEAVERTON OR 97077 0001 GARDENA CA 90247 4203 TWIN FALLS ID 83301 LAKE OSWEGO OR 97035 ROCKFORD IL 611045181 SALT LAKE CITY UT 84145 AMSTERDAM NETHERLANDS MENLO PARK CA 940251476 SOMERSET NJ 08873 HILLSBORO OR 97124 ANAH
34. STAINLESS STEEL BLACK OXIDE DESCRIPTION FINISH 0 093 DRIV 2 211 1093 00 8 SCREW MACHINE 4 40 X 0 25 FLH 100 DEG STL 0KB01 211 1093 00 BLK OXIDE T7 3 200 4547 00 1 COVER MAINFRAME AL TLA720 TK1943 200 4547 00 4 441 2191 00 1 CHASSIS ASSY MAIN AL TLA720 TK1943 441 2191 00 5 348 1542 00 4 FOOT CABINET BLACK RUBBER 74594 348 1542 00 6 212 0204 00 4 SCR ASSY WSHR 8 32 X 0625 L PNH PLATED 3M099 212 0204 00 CARBON STL W SQUARE CONE WASHER PHILLIPS DRIVE 10 6 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Figure 10 1 Cabinet and chassis assembly 10 7 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discontd Qty Name amp description Mfr code Mfr part number CIRCUIT BOARDS AND CHASSIS PARTS 10 2 1 260 2682 00 1 SWITCH PUSH SPST GOLD OVER NICKEL 80009 260 2682 00 CONTACT 0 4V 28V ILLUMINATED BUTTON PANEL MNT W CABLE 2 333 4390 00 1 PANEL FRONT TOP W LEXAN OVERLAY TLA 721 TK1943 333 4390 00 3 333 4350 00 1 PANEL FRONT TOP W LEXAN OVERLAY TLA7XM TK1943 333 4350 00 4 174 3697 00 1 CABLE ASSY RIBBON CABLE TEMP TK2469 174 3697 00 SENSE BACKPLANE 28AWG 2x15 2x10 2x15 5 671 3219 00 1 CIRCUIT BD ASSY TEMP SENSE 80009 671 3219 00 6 211 0720 00 17 SCR AS
35. VXI Trigger _ and Clock Expansion Buffers Cable s Secondary Expansion Module Control and Diagnostic Registers CPU Bus Buffers VXI Trigger and Clock Buffers Figure 9 3 Benchtop and expansion mainframe block diagram TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Primary MF Backplane Expansion MF Backplane 9 3 Diagrams 9 4 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual NAAA A Mechanical Parts List This section contains a list of the replaceable parts for the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe Use this list to identify and order replacement parts Parts Ordering Information Module Servicing Replacement parts are available through your local Tektronix field office or representative Changes to Tektronix 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 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
36. and Installation Procedures This section provides procedures for removing and installing mechanical and electrical modules in the benchtop and expansion mainframes These procedures apply identically to both the benchtop and expansion mainframes unless noted otherwise A CAUTION Before doing this or any other procedure in this manual read the General Safety Summary and Service Safety Summary found at the beginning of this manual Equipment Required Table 6 3 lists the tools needed to remove and replace components in the mainframes Table 6 3 Equipment required to service the mainframes Item number Item Description 1 Flat blade screwdriver Small flat blade screwdriver 2 Cutters Diagonal cutters for removing cable ties 3 Screwdriver handle Accepts Torx driver bits 4 T 7 Torx tip Torx drive bit for T 7 size screws 5 T 15 Torx tip Torx drive bit for T 15 size screws 6 T 20 Torx tip Torx drive bit for T 20 size screws 7 Allen wrench A 3 32 inch Allen wrench hex wrench 8 Phillips screwdriver Phillips 1 screwdriver 9 Cable ties 4 inch tie down straps Tektronix part number 343 0549 00 NOTE When installing the screws use a torque screwdriver and tighten the screws to 8 in lbs unless otherwise noted TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 5 Mainframe Removal and Installation Procedures Install Empty Slot Panel Fillers If you have any unu
37. and OP2 The 25 pin D passive monitor connector lets you monitor the power supply voltages blower speed and the maximum slot temperature rise within the chassis The connector also provides remote on and off capability and access to the SYSRESET and ACFAIL signals CAUTION Do not connect an RS 232 cable to the 25 pin connector This 25 pin connector is not an RS 232 port Connecting an RS 232 cable to this connector might result in damage to the equipment The universal fan controller on the enhanced monitor board drives the EBM PAPST fan pulse with modulation PWM speed control input The blower fan assembly consists of a chassis mount rear fan cover and EBM PAPST fan The fan is a low noise high airflow design that supports up to 308 CFM of airflow through the mainframe at full speed The blower connects to the enhanced monitor board at FAN 1 Blower J8 The fan speed switch S1 lets you select either variable fan speed VAR or full speed FULL TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Theory of Operation Temperature Sense Board The temperature sense board A2 monitors the temperatures for each slot within the chassis The temperature sense board connects to the backplane through the ribbon cable at J16 Expansion Module Figure 3 3 shows the block diagram for the expansion module when one is installed in an mainframe and second expansion module is installed in a second mainframe Y
38. by completing the procedure on page 6 28 3 Remove the front panel and the hard disk drive interface board by following the procedure beginning on page 6 30 4 Remove the six T 10 screws on the bottom of the hard disk drive interface board that secure the CD ROM drive bracket see Figure 6 21 5 Remove the CD ROM drive bracket from the hard disk drive interface board 6 Using a 0 Phillips head screwdriver with remove the four screws on the sides of the CD ROM bracket see Figure 6 21 7 Remove the ribbon cable from the CD ROM drive 8 Remove the CD ROM drive assembly from the bracket 9 Disconnect the interface board from the CD ROM drive To install the CD ROM complete the following steps 1 Connect the interface board to the CD ROM drive 2 Install the CD ROM drive assembly in the bracket using the four screws that you removed earlier Tighten the screws to 1 in lbs 3 Install the CD ROM drive assembly to the hard disk drive interface board by attaching the six T 10 screws on the bottom of the board tighten the screws to 3 in Ibs 4 Connect the CD ROM drive ribbon cable to the CD ROM drive Verify that pin 1 of the cable is connected to pin 1 of the connector 5 Install the hard disk drive interface board and the front panel 6 Install the covers and the injector handles TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures Button B
39. next master clock at the destination logic analyzer In the asynchronous or internal clock mode this represents the delta time to the next sample clock beyond the minimum asynchronous 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 system under test clocks and qualification data 6 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 1 10 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Table 1 6 Benchtop and expansion mainframe AC power source Characteristic Description 90 250 Vrms 45 66 Hz continuous range CAT II Source voltage Maximum power consumption Fuse rating Current and voltage ratings and type of fuse used to fuse the source line voltage 90 V 132 VACrys operation High power Low Line 159 0379 00 103 V 250 VACrus operation 159 0256 00 207 V 250 VACRus operation 159 0381 00 Inrush surge current Steady state input current Power factor correction Typical ON Standby switch and indicator 100 132 Vrms 360 440 Hz continuous range CAT II 1450 W line power the maximum power consumed by a fully loaded 13 slot instrument Safety UL198G CSA C22 2
40. oh eat cb ty ae Mans 2 1 Mainframe Controls and Connectors 00 eee eee eee eee eee 2 3 Benchtop Controller Controls and Connectors 00 02 e eee eee 2 16 Expansion Module Controls and Connectors 2222222 002 eee eee eee 2 22 Operating System and Application Interface 0 0 0000 2 23 Benchtop Controller S ienr bead teed an aan Brise 3 1 Mainframes ie ed aage a ental ance ae Bane eats 3 4 Expansion Module 2222 de en Bande Cae Ses ote ee te 3 7 Performance Verification Adjustment Procedures Maintenance Summary Verification 0 0 eee eee ete eee e eee ene 4 1 Test Equipment occ ys ooh a a La 4 1 Functional Verification 0 eee eee eee eee een eens 4 3 Certifications vr nr LI ieh 4 5 Performance Verification Procedures 2 222202 cece eee eee eens 4 6 Calibration Data Report 0 cece cece cece ee ee nenn nenne 4 9 Preparation bcs add a ein in paste alot eat 6 1 Preventing ESD u uns abe ae A a a bi eee 6 1 Inspection and Cleaning 0 00 eee eee eee eens 6 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual i Table of Contents Options Mainframe Removal and Installation Procedures e 6 5 Equipment Required sooo estes cara a a RAR 6 5 Install Empty Slot Panel Fillers ooooooooooooooomomo eee eee 6 6 Blower Assembly u fa deco au des zn dea eee a Pee eas 6 7 Removing the Enhanced Monitor Board 0
41. on can damage the module or the mainframe After replacing the mechanical and electrical modules verify the operation by running the instrument diagnostics as described later in this chapter Equipment Required Table 6 6 lists the tools needed to complete the procedures in this section Table 6 6 Equipment required to service the benchtop controller Item number Item Description 1 Flat blade screwdriver Small flat blade screwdriver 2 Cutters Diagonal cutters for removing cable ties 3 Screwdriver handle Accepts Torx driver bits 4 T 9 Torx tip Torx drive bit for T 9 size screws 5 T 10 Torx tip Torx drive bit for T 10 size screws 6 Nut driver A 3 4 inch nut driver 7 Nut driver A 1 4 inch nut driver 8 Phillips screwdriver Phillips 0 screwdriver 9 Phillips screwdriver Phillips 1 screwdriver 10 Needle nose plier 11 Cable ties 4 inch tie down straps Tektronix part number 343 0549 00 NOTE When installing the screws use a torque screwdriver and tighten the screws to 3 in lbs unless otherwise noted TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 25 Benchtop Controller Removal and Installation Procedures Replaceable Hard Disk Drive Complete the following steps to remove the replaceable hard disk drive from the mainframe You should always remove the hard disk drive before accessing any of the replaceable components in the benchtop controller CAU
42. place 8 Removing the top and bottom card guides Figure 6 6 15 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Nut Rails The nut rails at the top and the bottom of the front of the mainframe allow you to securely install the modules in the chassis by screwing the top and bottom of the modules to the front of the chassis Removal Complete the following steps to remove the top or bottom nut rails 1 Remove the mainframe cover by following the Mainframe Cover removal procedure on page 6 13 2 Loosen all module retaining screws it may be necessary to slide the modules partially out of the chassis 3 Refer to Figure 6 9 and slide the nut rail out of the hole on the side of chassis use a small screwdriver if necessary Remove module retaining screws Bottom nut rail Top nut rail Figure 6 9 Replacing the top and bottom nut rails 6 16 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Installation Complete the following steps to install the top or bottom nut rails in the mainframe 1 2 Replace the nut rail by sliding it back in the side of the chassis and pushing it into place Reinstall the mainframe cover Temperature Sense Board Removal To remove the temperature sense board complete the
43. placing a suspected module in a different slot to verify slot dependency problems For example if you have a single module in slots 2 and 3 power off the mainframe move the module to slots 3 and 4 and try the tests again If the module works in the new location you have identified a faulty slot in the mainframe m Check for bent or broken pins on the backplane of the mainframe m Faulty module Replace the suspected faulty module with a known good module or contact your local Tektronix service center m Incompatible module firmware and mainframe software versions You may have to update the system software and the module firmware so that they are compatible Refer to the Tektronix Logic Analyzer Family User Manual for updating the system software and module firmware m Check for computer viruses TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting 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 10 lists some of the command line options for executing Res Man32 Table 6 10 Command line options for ResMan32 Option a A 0 0 p P v V a A 0 0 p P V V T m M Description ResMan32 will not close the text window after executing and displaying the results the major functions default ResMan32 will not execute the mainframe power on se
44. run plating Resistors Burned cracked broken Return to a Tektronix Service Center blistered condition Solder connections Cold solder or rosin joints Return to a Tektronix Service Center Capacitors Damaged or leaking cases Return to a Tektronix Service Center Corroded solder on leads or terminals Wiring and cables Loose plugs or connectors Firmly seat connectors Repair or replace Burned broken or frayed parts with defective wires or cables wiring Chassis Dents deformations and Straighten repair or replace defective damaged hardware hardware CAUTION To prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the expansion module Use a dry low velocity stream of air to clean the interior of the modules and the mainframes Use a soft bristle 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 or distilled water Clean the exterior face of the floppy disk drive CD ROM and replaceable hard disk drive cartridge on the benchtop controller with a soft clean cloth and a mild detergent To clean the floppy disk drive or the CD ROM use commercially available floppy disk drive or CD ROM drive cleaning kits and follow the manufacturer s instructions TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AAA AAA AS Mainframe Removal
45. the DSO is measuring the CLK channel of the LA If the DSO is measuring a data channel the time from when the data edge occurs until the clock edge occurs must be included 1 6 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Table 1 4 External signal interface Characteristic Intermodule signal line bandwidth Signal 1 2 ECLTRGO 1 Signal 3 4 TTLTRGO 1 System trigger input Input destination Input Levels ViH ViL Input mode Minimum pulse width Active period Maximum input voltage External signal input Input destination Input levels Vin ViL Input mode Input bandwidth Signal 1 2 ECLTRGO 1 Signal 3 4 TTLTRGO 1 Active period Description 50 MHZ square wave minimum 10 MHz square wave minimum TTL compatible input via front panel mounted SMB connectors benchtop controller System trigger TTLTRG7 TTL compatible input 2 0V lt 0 8 V Falling edge sensitive latched active low 12 ns Accepts system triggers during valid acquisition periods via real time gating resets system trigger input latch between valid acquisition periods 0 to 5 V peak TTL compatible input via front panel mounted SMB connectors benchtop controller Signal 1 2 ECLTRGO 1 Signal 3 4 TTLTRGO 1 TTL compatible input 2 0V lt 0 8 V Active true low level sensitive 50 MHZ square wave minimum 10 MHz square wave minimum Accepts signals during valid acquisition
46. to determine when you want the logic analyzer or DSO to acquire data and how much data to acquire 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 represents a different time that data was acquired newer samples display below older samples TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 23 Operating Information Waveform Window The waveform window displays acquired data as graphical waveforms All defined channels display as Busforms for the logic analyzer and as individual data channels for the DSO Other Windows Other windows may exist on the logic analyzer depending on the installed setup For more information on the logic analyzer application refer to the Tektronix Logic Analyzer Family User Manual 2 24 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AAA AA Theory of Operation Benchtop Controller This chapter provides a high level overview of the theory of operation for the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe The two mainframes are identical with the following exceptions m The TLA721 Benchtop Mainframe includes a plug in controller that controls the operation of the entire system m The TLA7XM Expansion Mainframe includes an expansion module that routes signals from another external mainframe to the expansion mainframe The external ma
47. to supply 5 V Standby to the backplane make sure that the rear panel jumper is in the correct position refer to Enhanced Monitor Board Jumpers on page 2 9 The RSV signal is equivalent to the IEEE 488 1 SRQ signal The signal is asserted 0 when an enable event is generated the signal is unasserted 1 when the event is cleared by reading the event register This line is an open collector output The signal can be stand alone or multiple mainframes can be tied together If you tie multiple mainframes together each mainframe must be polled to determine the source of the service request Enhanced Monitor The enhanced monitor in addition to the DB25 pin connector and the fan switch includes an industry standard 9 pin RS 232 serial port logical address switches a jumper for slot 1 or slot 12 MODID selection an auxiliary power connection a slot for adding programming FLASH jumper and status lights Refer to Figure 2 5 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 7 Operating Information 2 8 RS 232C connector oro O o MONITOR BACKUP POWER SUPPLY LOGICAL ADDRESS switches READY light ACCESSED light MODID Jumper Selection Figure 2 5 Rear view of the enhanced monitor The logical address switches select the logical addresses for the enhanced monitor The top switch sets t
48. was found on the I O bus The BIOS will return the address of the error or display 2 if it cannot The controller board may be defective Replace the benchtop controller Press lt F1 gt to resume lt F2 gt to Setup This message is displayed after a recoverable error message This is a information message Press the lt F1 gt key to restart the boot process or press the lt F2 gt key to enter the CMOS setup and make changes to the defini tions Verify that the CMOS setup is configured correctly Press lt F2 gt to enter SETUP This is an optional message that can be turned on and off in CMOS setup It is only displayed during a POST test This is a information message TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 63 Troubleshooting Table 6 12 BIOS error codes and explanations Cont Error code Previous boot incomplete Default config uration used Real time clock error Shadow Ram Failed at offset nnnn System battery is dead Re place and run SETUP Error code explanation The previous POST test was not success ful If the POST test fails POST will load default values then display a message to run the CMOS setup If incorrect values are loaded future boot attempts may fail The real time clock may be defective The shadow RAM has failed at Hex location nnnn The CMOS clock may be dead or disconnected The CMOS setup m
49. 11 Disconnect the ribbon cable from the floppy disk drive by pulling up on the locking latch on the connector and then lifting the ribbon cable out of the connector 12 Lift the floppy disk drive assembly from the interface board 13 Loosen the four Phillips screws on sides of the floppy disk drive so that you can remove the drive from the bracket TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 41 Benchtop Controller Removal and Installation Procedures Floppy disk drive U we and bracket Interface board Screws 4 Figure 6 25 Removing the floppy disk drive from the interface board Installation To install the floppy disk drive and the processor board assembly complete the following steps 1 Loosen the four Phillips screws so that you can install the floppy disk drive in the bracket 2 Install the floppy disk drive in the bracket and tighten the four Phillips screws 3 Refer to Figure 6 25 and install the floppy disk drive assembly on the interface board secure floppy disk drive to the interface board with the four T 10 screws 4 Connect the floppy disk drive ribbon cable to the floppy disk drive Fasten the cable in place by pushing down on both sides of the locking latch 5 Refer to Figure 6 24 on page 6 41 and install the processor board on the interface board making sure that the board connectors are fully seated 6 Install the five T 10 screws that you removed earlier
50. 6 24 Separating the processor and interface boards 6 41 Figure 6 25 Removing the floppy disk drive from the interface Board cidad 22 Sake sak ra ren 6 42 Figure 6 26 Removal and installation of the ejector handles 6 46 Figure 6 27 Removal and installation of the cover 6 47 Figure 6 28 Removing the circuit board o oo oooooo oo 6 48 Figure 6 29 ResMan32 program output o oooocmoomo o 6 58 Figure 6 30 Startup sequence o ooooocoomocmocromormm 6 66 Figure 6 31 Benchtop controller troubleshooting tree 6 68 Figure 6 32 Mainframe troubleshooting tree o oo o 6 70 Figure 9 1 Interconnection diagram ooooooooooomo m o 9 1 Figure 9 2 Benchtop mainframe block diagram 9 2 Figure 9 3 Benchtop and expansion mainframe block diagram 9 3 Figure 10 1 Cabinet and chassis assembly o oo oo oo 10 7 Figure 10 2 Circuit boards and chassis parts 10 9 Figure 10 3 Power supply monitor and fan assembly 10 11 Figure 10 4 Benchtop controller exploded view covers and handles 0 cto as 10 13 Figure 10 5 Benchtop controller exploded view internal parts 10 15 Figure 10 6 Expansion module exploded view 10 17 Figure 10 7 Expansion module exploded view 10 19 Figure 10 8 View cables ccc cece cece cece cree eens 10 19 TLA721 Benchtop amp TLA7XM Expansion
51. 6 7 and then complete the following steps 1 Using the handle on the power supply firmly pull out the power supply form the rear of the mainframe 2 Remove the two 3 32 hex drive screws and washers to remove the handle from the power supply Mainframe AA AAAS Power supply lt f EEES A KSEE ES EES cfl CESSES EEEEECS E eee oee LLE EEE Hr m Mm LeS SSSss SSe ct Er LLE E EEE o oe LES ESE ELELELS O ro Cone oer o ELSE gt oat rererere Ber SER 22 O Ar bere SSSESESESESESES coy 2 SESE o N D o Q 9 9 N N E Save CER o sge 9 SURE N REERER EK 0 QUERES SS 0 o ed Qp Figure 6 6 Removing the power supply Complete the following steps to reinstall the power supply in the mainframe 1 Reinstall the handle to the power supply if you removed it earlier 2 Slide the power supply into the mainframe 3 Push the power supply handle in firmly to ensure that the connectors are completely seated into the back plane connectors 4 Reinstall the blower assembly TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Mainframe Cover Removal To remove the mainframe cover refer to Figure 6 7 while performing the following steps Note that this procedure assumes that the mainframe does not include any rails for the rackmount option if it does remove the rails before continuing this procedure 1 2 3 4 Remove th
52. 72X TLA7XM CABLE ASSEMBLY Coaxial RFD 50 Ohm 43 inch L BNC CABLE INTERCON PARALLEL CABLE CONNECT HIGH DENSITY PARALLEL PRINTER PORT TO PC PARALLEL PORT CASE CARRYING TRANSPORT WHEELED HARD CASE COMPONENT KIT BACKPLANE EMI SHIELD KIT CONTAINS DIN SHIELD WITH 2 SCREWS SMB TO BNC CABLE MANUAL TECH SERVICE TLA SERIES DP MANUAL TECH CHASSIS SERVICE TLA7XM TLA721 MANUAL TECH SERVICE TLA715 DP MANUAL TECH SERVICE TLA7PG2 MANUAL TECH SERVICE LOGIC ANALYZER MODULE TLA7NX TLA7PX SERIES DP ALIGN TOOL ELEK 6 0 L X 0 375 DIA NYLON W SCDR SHAPED ENDS TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mfr code 80009 0D1M6 26742 0KB05 71400 71400 75915 71400 0B445 0B445 80009 060D9 09922 00779 34416 80009 80009 TK2548 TK2548 TK2548 TK2548 TK2548 80009 Mfr part number 119 6574 00 122761 001 9618 302 50 335 0483 00 STM ABC 15 326 020 GDA 6 3 161 0213 00 161 0218 00 020 2369 00 012 0057 01 902318 012 1468 00 3121TS MODIFIED 020 2194 00 P6041 070 9780 XX 071 0912 XX 071 0913 XX 071 0714 XX 071 0864 XX 003 0008 00 10 5 Mechanical Parts List Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discontd Qty Name amp description Mfr code Mfr part number CABINET AND CHASSIS ASSEMBLY 10 1 1 212 0193 00 12 SCREW EXT RLV 8 32 X 0 375 BUTTON HEAD 0KBO1 ORDER BY HEX DRIVE
53. 7XM Expansion Mainframe Service Manual Mechanical Parts List KEF J R Xf N ARA Power supply monitor and fan assembly Figure 10 3 10 11 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discontd Qty Name amp description Mfr code Mfr part number 10 4 1 348 1537 00 1 GASKET EMI CLIP ON 1 98 L BE CU TIN 0KMO3 0493011500 PLATED W T LANCES 2 348 1365 01 4 SHLD GSKT ELEC SYMETRICAL SLOTTED 0KMO3 0493 0070 00 FINGER 0 350 W X 7 5 L RIVIT MTG SNAP IN RIVIT SPACING 1 5 IN 3 367 0484 00 1 HANDLE EJECTOR INJECTOR EJECTOR 80009 367 0484 00 ASSEMBLY TWO WIDE VXI W OUT KEYING SPRING LOADED PLASTIC 20 GL 4 335 0646 00 1 MARKER INDENT EJECTOR LABEL BOTTOM 0 745 OKB05 335064600 X 0 520 5 334 9236 00 1 MARKER IDENT MKD TEKTRONIX TOP 0KB05 334923600 INJECTOR EJECTOR LABEL BENCHTOP CONTROLLER 6 367 0489 00 1 HANDLE INJECTOR EJECTOR ASSEMBLY TWO 80009 367 0489 00 WIDE VXI WITH TTL KEYING SPRING LOADED PLASTIC 10 214 4762 00 2 SPRING CONICAL SPRING CONICAL 8X345 ORDER BY DESCRIPTION 10 12 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List 10 13 o of Sy NI oe Y J Tl Y Jo Ml x TO DA _ Hes N A INS
54. CA O Q 0 a Sy 9 0 N T IN RAN o L e E pS 2 y Monitor board O Figure 6 5 Removing the enhanced monitor board TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Installation To install the enhanced monitor board complete the following steps 1 Refer to Table 6 4 and verify that the jumpers on the enhanced monitor board are in the default locations before installing the board in the mainframe Table 6 4 Enhanced monitor board jumpers Jumpers location Pins sd Label on board J2 top of board 1 2 and 3 4 TLA721 J38 middle of board Blower J19 bottom of board Blower 2 Slide the enhanced monitor board into the mainframe as shown in Fig ure 6 5 You may have to adjust the enhanced monitor board to engage the connectors on the rear of the board 3 Push the enhanced monitor board into the mainframe to fully mate the rear connectors 4 Tighten the two screws that attach the enhanced monitor board to the mainframe 5 Connect the blower cable into the connector labeled 1 BLOWER 6 Install the cable cover and tighten the captive screw to that attaches to the mainframe TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 11 Mainframe Removal and Installation Procedures Power Supply Removal Installation To remove the power supply from the mainframe perform Removing the Blower Assembly procedure on page
55. E e N SS SA Ib RAN fit a gt u IN N RIA X QA QQ 4 NARRAN a ARs SA NA y A a Inyo RS K O NER SITE MIN gt jy WR AA NN GIN ARDEN SS WE RRAN yf ff 1 7p Yo WR II M NY ARAN wy 4 Mo NON WS y NU ENS Ws ARR i NEN IN AS A i SAY eat SS WL 7 A i NR N DIA N WERE ZA 2 ARA INA TEN N y J OW TERY Wee RSQ A IS AN MA ES on A SU A y al DON 4 WEED y NN N O WR ERY OE 4 NODO a NEN EA NY BR 0X NIE BT Y VANA IN SA a y Y KOKA o Wy y PON i Vs SH Dem IN GO y uli y T x Dx x s 7 x N Es S A x mes S WEN NEN Wen Figure 10 4 Benchtop controller exploded view covers and handles TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Replaceable parts list Fig amp index Tektronix part Serial no Serial no Mfr number number effective discontd Qty Name and description code Mfr part number 10 5 0 039 0115 00 1 CONTROLLER THREE WIDE VXI CONTROLLER OLOL7 039 0115 00 MODULE PENTIUM 3111 500 MHZ MMX PROCESSOR 1 211 1070 00 4 SCREW M2 X 2MM PNH PHL STL NI PLT 0KB01 211 1070 00 2 119 5728 00 1 DISK DRIVE OPTICAL 644MB CD ROM 16 7 MB SEC 50356 CD 224E 903 IDE ATAPI CD 224E 903 3 671 4377 00 1 CIRCUIT BD ASSY CD ROM INTERFACE 80009 671 4377 00 4 156 4857 00 1 IC MEMORY CMOS SDRAM 512M 80009 156 4857 00 5 146 0132 00 1 BATTERY 3V 1AH LITHIUM COIN CELL 1 IN DIA X 0 3 IN TK6379 CR2477N
56. EIM CA 92807 6001 PORTLAND OR 97224 VANCOUVER WA 98661 ELK GROVE VILLAGE IL 60007 BEAVERTON OR 97005 TUCKER GA 30084 5088 RANCHO DOMINQUES CA 90220 KLAMATH FALLS OR 97601 6540 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discont d 119 6574 00 119 5662 00 131 4356 00 E 335 0483 00 200 4326 00 159 0256 00 159 0379 00 159 0381 00 161 0213 00 161 0218 00 020 2369 XX 012 0057 01 5 012 1241 00 7 012 1468 00 7 016 1651 00 020 2194 00 2 P6041 070 9780 XX 3 071 0912 XX 071 0913 XX 071 0714 XX 071 0864 XX 2 003 0008 00 Qty Name amp description STANDARD ACCESSORIES WHEEL MOUSE 3 BUTTON KEYBOARD 104 WINDOWS RT5156TW CONN SHUNT SHUNT SHORTING LABEL SET TLA7XM ONLY CAP FUSEHOLDER 5MM X20MM STM FUSE CARRIER USE W BUSS HTB SCREWDRIVER SLOTTED FUSEHOLDER FUSE CARTRIDGE 15A 250V FAST FUSE CARTRIDGE 20A 250V 5 SEC MIN 200 0 25 X 1 25 UL REC 326020 FUSE CARTRIDGE 5 X 20 MM 6 3A 250V FAST BLOW HIGH BREAKING CAPACITY UL REC SEMKO CABLE ASSY PWR 3 16 AWG 2 5 METER SJT GREY 105 DEG C MCA 3T X BME 3S 13A 250V NORTH AMERICAN CABLE ASSY PWR 3 14 AWG 100 L SUT BLK 60 DEG C 5 20P X BME 3S 15A 125V Optional Accessories RACKMOUNT KIT COMPONENTS SILVER GRAY TLA
57. ION 3M CENTER ELECTRONICS PRODUCTS DIV 3M AUSTIN CENTER PO BOX 115 2675 CUSTOMHOUSE CT ONE MICROSOFT WAY 6790 FLANDERS DR 1016 CLEGG CT PO BOX 750158 170 COMMERCE DRIVE NIHON KAIHEIKA IND CO LTD 7850 E GELDING DRIVE 11400 MELROSE ST DIVISION COOPER INDUSTRIES INC TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual City state zip code HARRISBURG PA 17105 3608 DALLAS TX 75272 5303 WAUKEGAN IL 60087 3214 PHOENIX AZ 85008 4229 TINLEY PARK IL 60477 3048 VANCOUVER WA 98661 ETTERS PA 17319 9769 WESTFIELD PA 16950 CHATSWORTH CA 91311 TUALATIN OR 97062 PORTLAND OR 97214 4657 HILLSBORO OR 97124 6474 PLACENTIA CA 92670 HILLSBORO OR 97124 SANTA ANNA CA 92704 SANTA CLARA CA 95052 8145 EDEN PRAIRIE MN 55344 FRANKLIN IN 46131 CHICAGO IL 60656 4548 LISLE IL 60532 RICHMOND IN 47374 NEWPORT RI 02840 DELAWARE WATER GAP PA 18327 PORTLAND OR 97217 MONTEBELLO CA 90640 6537 NUTLEY NJ 07110 1303 ST PAUL MN 55144 1000 AUSTIN TX 78769 2963 OSKALOOSA IA 52577 0115 SAN YSIDRO CA 92073 REDMOND WA 98052 8300 SAN DIEGO CA 92121 PETALUMA CA 94975 0158 WARWICK RI 02886 2430 SCOTTSDALE AZ 85260 FRANKLIN PARK IL 60131 ST LOUIS MO 63178 10 3 Mechanical Parts List Manufacturers cross index Cont Mfr code Manufacturer 73893 MICRODOT INC 74594 COMPONENT RESOURCES INC 75915 LITTELFUSE INC 7X318 KASO PLASTICS INC 80009 TEKTRONIX INC 80126
58. 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 Tektronix supplies or d to service a product that has been modified or integrated wit
59. In the current mainframe only a single fan is used 14 12 VM 12 V for voltage monitoring To monitor only use a probe with greater than 1 MQ impedance 15 24 VM 24 V for voltage monitoring To monitor only use a probe with greater than 1 MQ impedance 16 5 2 VM 5 2 V for voltage monitoring To monitor only use a probe with greater than 1 MQ impedance 17 GND Logic Ground 18 GND Logic Ground 19 GND Logic Ground 20 GND Logic Ground TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Table 2 1 Passive monitor connector pinouts Cont Pin 21 22 23 24 25 Function Description 5 VB Input for 5 V standby voltage for example from an external battery Maximum of 1 A total pins 8 and 21 combined GND Logic Ground ACFAIL Backplane ACFAIL signal output If you use this pin do not violate the VXIbus electrical specifications keep the extender cable as short as possible Refer to VMEbus Specification Manual for details on using the ACFAIL and SYSRESET signals GND Logic Ground RSV Request Service signal By momentarily grounding this line the mainframe will toggle from on to off or vice versa The state changes on the falling edge of the signal Hold the signal low for at least 500 ms before releasing Attach only a momentary switch or an open collector device to drive this line The line is pulled up to 1 V internally If you use pins 8 and 21 5 VB
60. Manual Operating Information Table 2 5 P2 connector pinouts for slot 0 Pin Row A Row B Row C 1 ECLTRGO 5 V CLK10 2 2V GND CLK10 3 ECLTRG1 RSV1 GND 4 GND A24 5 2V 5 MODID12 A25 LBUSCOO 6 MODID11 A26 LBUSCO1 7 5 2 V A27 GND 8 MODID10 A28 LBUSC02 9 MODIDO9 A29 LBUSC03 10 GND A30 GND 11 MODIDO8 A31 LBUSC04 12 MODIDO7 GND LBUSCO5 13 5 2 V 5V 2 V 14 MODIDO6 D16 LBUSC06 15 MODIDO5 D17 LBUSCO7 16 GND D18 GND 17 MODIDO4 D19 LBUSC08 18 MODIDO3 D20 LBUSCO9 19 5 2 V D21 5 2 V 20 MODID02 D22 LBUSC10 21 MODIDO1 D23 LBUSC11 22 GND GND GND 23 TTLTRGO D24 TTLTRG1 24 TTLTRG2 D25 TTLTRG3 25 5 V D26 GND 26 TTLTRG4 D27 TTLTRG5 27 TTLTRG6 D28 TTLTRG7 28 GND D29 GND 29 RSV2 D30 RSV3 30 MODIDOO D31 GND 31 GND GND 24 V 32 SUMBUS 5 V 24 V TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 15 Operating Information Benchtop Controller Controls and Connectors The benchtop controller is an integral part of the benchtop mainframe The module is a slot zero device and occupies three slots O through 2 in the benchtop mainframe LED Indicators The benchtop controller has four LED indicators located on the front panel Figure 2 9 shows the front panel with the location of the LED indicators and front panel connectors 2 OPO i pi SLEEP Indicator RUN indicator CO SYSTEM FAIL Indicator A
61. PPLY CO OKB05 NORTH STAR NAMEPLATE INC OKM03 INSTRUMENT SPECIALTIES CO INC OLOL7 RADISYS CORPORATION 0VF15 TOTAL TECHNOLOGIES LTD 0ZQ35 3COM CORPORATION 1GM54 ZYTEC CORP 24931 BERG ELECTRONICS INC 26742 METHODE ELECTRONICS INC 27264 MOLEX PRODUCTS COMPANY 2W733 BELDEN WIRE amp CABLE COMPANY 2W944 PAPST MECHATRONIC CORP 30817 INSTRUMENT SPECIALTIES CO INC 3M099 PORTLAND SCREW COMPANY 50356 TEAC AMERICA INC 51506 ACCURATE SCREW MACHINE CO 52152 3M COMPANY 53387 3M COMPANY 5F520 PANEL COMPONENTS CORP 5Y921 COMAIR ROTRON INC 60128 MICROSOFT CORPORATION 61081 ELECTRONIC SOLUTIONS 61935 SCHURTER INC 62559 SCHROFF INC 63426 NKK SWITCH 68579 PERMATRON CORP 71400 BUSSMANN Address CUSTOMER SERVICE DEPT PO BOX 3608 SEMICONDUCTOR GROUP 13500 N CENTRAL EXPRESSWAY PO BOX 655303 3600 SUNSET AVENUE SEMICONDUCTOR PRODUCTS SECTOR 5005 E MCDOWELL ROAD 17303 RIDGELAND AVE PRECISION HARNESS AND ASSEMBLY 3000 COLUMBIA HOUSE BLVD 120 825 OLD TRAIL ROAD 312 EAST MAIN STREET 9730 INDEPENDENCE AVE 19500 SW TETON 810 SE SHERMAN 5750 NE MOORE COURT 505 PORTER WAY 5445 NE DAWSON CREEK DRIVE 2110 S ANNE ST 5353 BETSY ROSS DRIVE 7575 MARKET PLACE DR BERG ELECTRONICS RF COAXIAL DIV 2100 EARLYWOOD DR PO BOX 547 7444 WEST WILSON AVE 2222 WELLINGTON CT 2200 US HWY 27 SOUTH AQUIDNECK INDUSTRIAL PARK SHIELDING WAY PO BOX 650 6520 N BASIN AVE 7733 TELEGRAPH RD 19 BALTIMORE ST INDUSTRIAL TAPE DIVIS
62. Pin number Pin Assignment Data No connection GND 5 V Clock GND D O 2a O D The keyboard connector is a standard six pin PS 2 compliant DIN connector The keyboard port can be connected to an external standard PS 2 compliant keyboard Table 2 7 lists the pin assignments Table 2 7 Keyboard port pin assignments Pin number Pin Assignment Data No connection GND 5 V Clock D O 2 O DN GND Operating Information 2 18 Replaceable Hard Disk Drive Floppy Disk Drive CD ROM PC CardBus32 Port There is one replaceable hard drive Because of the speed at which the PC industry evolves the hard disk drive size is subject to change This service manual lists the size of the hard disk drive available at the time the product was introduced There is one standard high density double sided floppy disk drive There is one CD ROM drive Because of the speed at which the PC industry evolves the CD ROM drive is subject to change This service manual lists the speed of the CD ROM drive available at the time the product was introduced There are two PC Card Bus slots The PC card s can be inserted in either slot or two cards can occupy both slots at the same time The PC card port supports an optional Ethernet NIC network interface card Table 2 8 shows the pin assignments TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Ta
63. SEM WSHR 6 32 X 0 500 PNH STL CDPL OKBO1 ORDER BY T 15 TORX DR DESCRIPTION 7 118 9417 XX 1 BACKPLANE VXI BACKPLANE VXI COMPATIBLE 80009 118 9417 00 WITH 13 C SIZE SLOTS ELECTRONIC AUTOMATIC 8 343 0775 00 2 CABLE CLAMP RIBBON 1 0X1 0 GRAY POLYVI 52152 80610029243 3484 NYL W URETHANE FOAM TAPE BACKING 1000 9 220 0199 01 2 NUT BAR VXI M2 5 THREADS OKB01 ORDER BY DESCRIPTION 10 378 0438 00 13 BAFFLE ASSY VXI SLOT SINGLE SHUTTER 80009 378 0438 00 11 351 1007 00 13 GUIDE SINGLE PLASTIC 80009 351 1007 00 12 333 4206 00 5 PANEL FRONT DOUBLE BLANK EMI AL PAINTED TK1943 333 4206 00 SILVER GRAY 13 333 4205 00 1 PANEL FRONT SINGLE BLANK EMI AL PAINTED TK1943 333 4205 00 SILVER GRAY TLA7XM ONLY 14 334 9920 00 1 MARKER IDENT LABEL FRONT BOTTOM SLOT 0KB05 334 9920 00 0 010 LEXAN 1 25 X 15 60 BACKGROUND SILVER GRAY TLA721 212 0112 00 2 SCREW MACHINE 8 32 X 0 188 TRH SST POZ 0KB01 ORDER BY DESCRIPTION 211 1093 00 2 SCREW MACHINE 4 40 X 0 25 FLH 100 DEG STL 0KB01 211 1093 00 BLK OXIDE T7 10 8 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Figure 10 2 Circuit boards and chassis parts TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 10 9 Mechanical Parts List Replaceable parts list Fig amp index Tektronix Serial no Serial no nu
64. Service Manual Tektronix TLA721 Benchtop amp TLA7XM Expansion Mainframe 071 0912 00 This document applies to System Software ver sion 4 1 and above Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service www tektronix com Copyright O 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 Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix Inc WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment
65. TION Do not remove the replaceable hard disk drive while the mainframe is N powered on The replaceable hard disk drive can be permanently damaged if you remove it while the mainframe is powered on Always power down the main frame before removing the replaceable hard disk drive Power down the mainframe La Press the latch on the front of the controller as shown in Figure 6 15 to unlatch the hard disk drive 3 Pull on the replaceable hard disk drive cartridge to remove it from the controller Figure 6 15 Removing the replaceable hard disk drive 6 26 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures 4 To remove the hard disk drive from the cartridge refer to Figure 6 16 and remove the four screws that fasten the hard disk drive to the cartridge 5 Carefully remove the hard disk drive from the cartridge and remove the cable assembly from the connector on the hard disk drive 6 When you reinstall the four screws start the screws by hand and then tighten them to 4 in Ibs Remove 4 screws e E Lc Figure 6 16 Removing the hard disk drive from the cartridge NOTE The remaining procedures in this section assume that the removable hard disk drive is not installed in the controller TLA721 Benchtop amp TLA7XM Expansion Mainfra
66. a T 10 Torx tip and a small flat blade screwdriver to remove the fixed hard disk drive To remove the hard drive interface board complete the following steps 1 Remove the injector handles by completing the procedure on page 6 28 2 Remove the left and rear covers by completing the procedures on page 6 29 3 Remove the front panel and the hard disk drive interface board by following the procedure beginning on page 6 30 4 Remove the four 3 16 inch flat blade screws that secure the fixed hard disk drive to the bracket see Figure 6 21 NOTE It may be necessary to loosen the four T 10 Torx drive screws that hold the brackets to the circuit board before you can remove the hard disk drive 5 Slide the fixed hard disk drive out of the brackets To install the fixed hard disk drive and the hard drive interface board complete the following steps NOTE If you are replacing the fixed hard disk drive verify that the jumper settings on the new drive match those of the old drive If the hard disk drive is a different type refer to the vendor s instruction for jumper settings 1 Loosen the fixed hard disk drive bracket T 10 Torx drive screws to ease the insertion of the hard disk drive between the brackets 2 Carefully align the connector pins on the back of the hard disk drive to the socket on the board Gently slide the hard disk drive into the socket Verify that all of the pins are fully engaged and that no pins are ben
67. age 6 68 describes troubleshoot ing procedures for the benchtop mainframe Troubleshoot the Expansion Mainframe beginning on page 6 71 describes troubleshooting procedures for the expansion mainframe and the expansion module TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 51 Troubleshooting Service Level This section is designed to help you isolate problems to a replaceable part level that is reflected in the replaceable parts lists at the end of this manual In most cases faults are isolated to circuit boards or assemblies but not to individual components on the circuit boards If you suspect problems with components on the circuit boards that are not covered in this manual you must return the entire assemblies to Tektronix for repair Check for Common Problems 6 52 Use Table 6 9 to quickly isolate possible failures The table lists problems related to the TLA721 Benchtop Mainframe TLA7XM Expansion Mainframe and TLA715 Portable Mainframe the TLA715 Portable Mainframe is included in this section to cover instances where the TLA715 Portable Mainframe is connected to a TLA7XM Expansion Mainframe The symptoms listed in the Table 6 9 are not exhaustive but they may help you eliminate problems that are easy to fix CAUTION Always power the mainframe off before attempting to install or remove modules Installing or removing modules when the mainframe is powered on can damage the modules and the mainframes
68. amp TLA7XM Expansion Mainframe Service Manual 3 1 Theory of Operation Benchtop Controller Mouse amp Slots 0 2 Removeable Keyboard disk drive hard PC Cards SVGA COM USB EPP disk drive amp Trigger Ports PCI to Backplane VTC Trig PC Controller Bridge ASIC ASIC Display and I O Hard Disk Interface Adapter Board Floppy disk drive Benchtop Chassis Module Slot 3 Module Slot 4 Module Slot 12 Power Supply Backplane Enhanced Monitor Figure 3 1 Interconnection and block diagram for the benchtop mainframe and controller PC Controller Display The PC controller uses a standard Intel Pentium III microprocessor using the and I O 815E chip set The controller has a 733 MHz Pentium III processor with 512 MB of SDRAM 512 KB of L2 cache and 512 KB of flash based BIOS A Texas Instrument TI PCI1251B controls the two CardBus 32 slots A Silicon Motion Lynx3DM SVGA XGA display controller with up to 4 MB of internal DRAM supports both the integrated color TFT LCD flat panel and external SVGA port 3 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Theory of Operation An ECP EPP Centronics compatible parallel port two USB ports and two 16550 based serial RS 322 COM ports one external support standard PC based T O peripherals PCI to Backplane Bridge The backplane bus interface appears as a standard PCI device to the PC based ASIC controller The PCI to Backplan
69. and without Microsoft Windows operating system Flash based BIOS field upgradable via a floppy disk Forced recovery jumper is provided Real time clock and CMOS setups NVRAM Real time clock calendar Standard and advanced PC CMOS setups see BIOS specifications RTC CMOS setup amp PnP NVRAM retention time Typical Battery life is typically gt 7 years Floppy disk drive Standard 3 5 inch 1 44 MB high density double sided PC compatible high density floppy disk drive Transfer rate 500 Kbits per second Access time ave 194 ms Bootable replaceable hard disk drive Standard PC compatible IDE Integrated device Electronics hard disk drive residing on an EIDE interface Size Maximum 30 GByte Continually subject to change due to the fast moving PC component environment These storage capacities valid at product introduction Interface ATA 5 Enhanced IDE EIDE TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 3 Specifications Table 1 1 Benchtop controller characteristics Cont Characteristic Average seek time I O data transfer rate Average latency Cache buffer CD ROM drive Applicable formats Interface Average access time Data transfer rate burst sustained Display classification Display configuration Display memory Description Read 12 ms 33 3 MB s maximum U DMA mode 2 7 14 ms 512 KB Standard PC compatible IDE Integrated device Elect
70. ane at J22 the switch controls the power on functions If the switch is connected to J23 the front panel switch is disabled however the light still illuminates when the chassis is powered on 7 From the rear of the mainframe remove the five 6 32 screws on the top of the backplane remove the seven 6 32 screws from the center and then remove the five 6 32 screws from the bottom refer to Figure 6 12 if necessary 8 After removing all of the screws from the backplane remove the backplane from the mainframe by sliding it out of the right side 6 20 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Connector 0J4 Figure 6 12 Removing the backplane TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 21 Mainframe Removal and Installation Procedures Installation 6 22 Complete the following steps to install the backplane board in the mainframe 1 Before installing the backplane board in the mainframe verify the correct position and location of the jumpers refer to Figure 6 13 and to Table 6 5 The jumper settings are different for the benchtop mainframe and the expansion mainframe The jumper settings determine how the mainframes power down Table 6 5 Mainframe backplane jumpers Jumpers location Benchtop mainframe Expansion mainframe No Jumper installed Jumper both pins
71. ation If you are uncertain of the power requirements of the instru ment refer to Power Cord and Line Fuse Requirements for the Benchtop and Expansion Mainframes in the Tektronix Logic Analyzer Family User Manual This information is important to avoid overloading the power distribution system and to comply with the National Electrical Code For card cage loads in the nonshaded region of Figure 2 1 use the power cord with the 15 A plug Tektronix part number 161 0213 XX or the power cord with the 20 A plug Tektronix part number 161 0218 XX For high card cage loads combined with low input line voltages shaded region use only the power cord with the 20 A plug TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 1 Operating Information Select the proper fuse based on the ranges shown in Figure 2 1 lt Power Cord with 20A plug NEMA 5 20P ONLY Power Cord with 15A plug NEMA 5 15P Power Cord with 20A plug NEMA 5 20P Card Cage Power Consumption Watts 0 90 110 130 150 170 190 210 230 250 115 Input Line Voltage Volts AC 20AT Fuse 15AF Fuse 6 3AF Fuse Figure 2 1 Power cord identification chart Power on Procedure Complete the following steps to power on the instrument 1 If you have not already done so select the proper power cord and fuse as described in the previous paragraphs 2 Ifyou have an expansion mainframe connect the expansion mainframe to
72. attery The 3 V Lithium battery is located on the processor board Removal You need to remove the hard disk drive interface board to access the processor board 1 Remove the left and rear covers by completing the Cover Removal proce dures on page 6 29 2 Remove the injector handles by completing the procedure on page 6 28 3 Remove the front panel and the hard disk drive interface board by following the procedure beginning on page 6 30 4 Locate the battery on the processor board see Figure 6 22 5 To remove the battery slip the battery out of the clip Processor board shown alone for clarity Memory SO DIMM sockets Figure 6 22 Removal and installation of the button battery and memory Installation Install the new battery in the battery clip Reinstall the hard disk drive interface board the left side and rear covers and then the ejector handles TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 37 Benchtop Controller Removal and Installation Procedures Main Memory Removal Installation A 6 38 The main memory is located on the processor board You need to remove the hard drive interface board to access the processor board 1 Remove the left and rear covers by completing the Cover Removal proce dures on page 6 29 Remove the injector handles by completing the procedure on page 6 28 Remove the front panel and the hard disk drive interface board by following the procedu
73. ay have to be reset Action to be taken This is an information message Verify that the CMOS setup is configured correctly The controller board may be defective Replace the benchtop controller The system will run without shadow RAM but it will run slow Exchange the SO DIMMs if one of the SO DIMMs are defective the error address should change The system battery is internal to the RAM Calender component To replace the system battery replace the RAM Calender component Note After replacing the RAM Calen dar component you must reflash the BIOS Refer to Update the BIOS and perform the procedures to reflash the BIOS System BIOS shadowed The system BIOS was copied to shadow RAM This is an informational mes sage No action needs to be performed System cache error Cache When the system BIOS failed the cache test the cache was disabled The system will run without cache RAM but it will run slow disabled eer Reboot the system System CMOS The system CMOS settings may be This is an information message checksum bad incorrect or modified incorrectly by some run SETUP application The CMOS setup may have Reboot the system first then to be redefined verify that the CMOS setup is configured correctly TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting Table 6 12 BIOS error codes and explanations Cont Error code Er
74. ble 2 8 PC CardBus32 port pin assignments Pin number Pin assignment Pin number Pin assignment Pin number Pin assignment 1 GND 24 A5 47 A18 2 D3 25 A4 48 A19 3 D4 26 A3 49 A20 4 D5 27 A2 50 A21 5 D6 28 Al 51 VCC 6 D7 29 AO 52 VPP2 7 CE1 30 DO 53 A22 8 A10 31 D1 54 A23 9 OE 32 D2 55 A24 10 A11 33 1S116 56 A25 11 AQ 34 GND 57 VS2 12 A8 35 GND 58 RESET 13 A13 36 CD1 59 WAIT 14 A14 37 D11 60 INPACK 15 WE 38 D12 61 REG 16 IREQ 39 D13 62 SPKR 17 VCC 40 D14 63 STSCHG 18 VPP1 41 D15 64 D8 19 A16 42 CE2 65 D9 20 A15 43 VS1 66 D10 21 A12 44 IORD 67 CD2 22 A7 45 IOWR 68 GND 23 A6 46 A17 USB Ports There are two USB universal serial bus ports The USB ports can be used for any USB complaint device Table 2 9 shows the pin assignments for the USB ports Table 2 9 USB pin assignments Pin number Pin function Pin number Pin function A1 Vcc B1 Vcc A2 A DATA B2 B DATA A3 A DATA B3 B DATA A4 GND B4 GND TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 19 Operating Information SVGA Ports Two SVGA ports Primary and Secondary support industry standard SVGA color monitors Table 2 10 lists the pin assignments for both ports Table 2 10 SVGA OUT pin assignments COM Port System Trig In Connector 2 20 System Trig Out Connector Ext Sig In Connector Pin number Pin function Pin number Pin function 1 Red 2 Green 3 Blue 4 DDC DB2
75. cedures for functional verification certification and performance verification procedures for the TLA721 Benchtop Mainframe and TLA7XM Expansion Mainframe Generally you should perform these proce dures once per year or following repairs that affect certification Functional verification procedures verify the basic functionality of the instru ment inputs outputs and basic instrument actions These procedures include power on diagnostics extended diagnostics and manual check procedures These procedures can be used for incoming inspection purposes Certification procedures certify the accuracy of an instrument and provide a traceability path to national standards Certification data is recorded on calibra tion data reports provided with this manual The calibration data reports are intended to be copied and used for calibration certification procedures After completing the performance verification procedures or the certification procedures you can fill out a calibration data report to keep on file with your instrument Performance verification procedures confirm that a product meets or exceeds the performance requirements for the published specifications documented in the Specifications chapter of this manual Refer to Figure 4 1 on page 4 2 for a graphic overview of the procedures These procedures use external traceable signal sources to directly test character istics that are designated as checked 14 in the Specifications chapte
76. change in part number Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance Module Exchange In some cases you may exchange your module for a reman ufactured module These modules cost significantly less than new modules and meet the same factory specifications For more information about the module exchange program call 1 800 833 9200 Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices www tektronix com Module Repair and Return You may ship your module to us for repair after which we will return it to you New Modules You may purchase replacement modules in the same way as other replacement parts TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 10 1 Mechanical Parts List Using the Replaceable Parts List This section contains a list of the mechanical and or electrical components that are replaceable for the TLA721 Benchtop Mainframe and TLA7XM Expansion Mainframe Use this list to identify and order replacement parts The following table describes each column in the parts list Parts list column descriptions Column Column name Description 1 Figure 4 index number Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow 2 Tektronix part number Use this part number when orderin
77. crements user selectable 10 32 in 262 1 mm 2 39 in 60 7 mm 14 75 in 373 4 mm 10 32 in 262 1 mm 1 25 in 31 75 mm 14 75 in 373 4 mm 58 lbs 11 0z 26 7 kg Typical Shipping configuration 60 Ibs 11 oz 26 7 kg minimum configuration with controller only and all standard Typical accessories two manuals five dual wide and one single wide slot filler panels power cord empty pouch front cover keyboard software and cables 187 lbs 85 kg fully configured Same as above with the addition of five LA modules four TLA7P4 modules one TLA7N4 module and all module standard accessories probes and clips Benchtop controller 6 lbs 10 oz 3 0 kg Expansion module 3 lbs 1 4 kg Maximum per slot 5 Ibs 2 27 kg Rackmount kit adder 20 Ibs 9 1 kg Size Benchtop controller Three slots wide Expansion module Single slot wide TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Table 1 10 Mechanical characteristics Cont Characteristic Acoustic noise level Typical Variable fan speed at 860 RPM Full speed fan swi Construction materials tched at rear Description 43 2 dBA weighted front 43 8 dBA weighted back 66 2 dBA weighted front 66 2 dBA weighted back Chassis parts aluminum alloy Front panel and trim pieces plastic Circuit boards glass laminate
78. ct System Configuration from the System menu 4 In the System Configuration dialog box select 10 MHz Clock from the list of routable signals in the External Signal Out selection box and click OK 5 Verify that the output frequency at the External Signal Out TTL connector is 10 MHz 1 kHz Record the measurement on a copy of the calibration data report and disconnect the frequency counter 6 In the System Configuration dialog box reset the External Signal Out signal to None TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AA AA Calibration Data Report TLA721 Benchtop Mainframe Instrument model number Serial number Certificate number Verification performed by Verification date System Clock Test Data Procedure Characteristic Specification Tolerance reference Incoming data Outgoing data Clock frequency 10 MHz 1 kHz 9 9990 MHz 10 0010 MHz Page 4 8 Pood Step 5 Tektronix AAA AAA Adjustment Procedures There are no adjustments for the TLA721 Benchtop Mainframe or TLA7XM Expansion Mainframe For adjustment procedures on the individual modules refer to the appropriate module service manual TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 5 1 Adjustment Procedures 5 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Maintenance Preparation A Preventing ESD This chapter provides information and procedures for inspecting cleaning remo
79. e 12 hex drive screws 6 on each side using a 3 32 Allen wrench Remove the eight T 7 screws four on the top front and four on the top rear Lift the front bottom corners up After tilting the cover up about 3 inches lift the cover straight off the instrument Perce Fer er PAR ja E E Fe mee Er al FerF que E FE E F So gt E amp F N oO ME Ss x S o U o o 6 7 o o U EFE F r EE FE Fern rre Err ae E E E Fer a cr E FE igure PEE mE ee KOT Ferre o E E Fe ore pp o o o o o a oh 00 loo o o o o of Figure 6 7 Removing the mainframe cover TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Installation Complete the following steps to install the mainframe cover refer to Figure 6 7 as necessary 1 2 Card Guides Slide the cover over the mainframe Tilt the rear of the cover in place and then lower the front until the cover binds slightly do not force the cover down Slowly push the cover down until the screw holes on the sides of the cover line up with those on the mainframe Use care not to damage the front panel label while installing the cover Install the eight T 7 screws on the top of the mainframe cover tighten them to 4 in Ibs Install the remaining 12 screws on the sides of the mainframe Tighten all sc
80. e interface is managed by a Tektronix designed ADG343 CMOS ASIC which includes support for DMA transfers with FIFO IRQ management programmable byte swapping backplane address space management and windowing A16 A24 and A32 space backplane control lines and MODID control lines Trigger Crossbar ASIC The trigger lines are managed through the Tektronix designed Trigger Crossbar VTC ASIC The VTC ASIC cross connects any of the ten backplane trigger lines ECL and TTL to any of the four SMB connector ports on the front panel The logic analyzer uses four SMB ports to accommodate two inputs System Trigger In and External Signal In and two outputs System Trigger Out and External Signal Out The VTC ASIC also supports several standard backplane protocols including START STOP which support a synchronous start of all installed modules to System Time Zero STZ and several custom features These features include time interpolation to support the use of the VTC ASIC in individual module applications Adapter Board The Adapter board integrates the TLA715 Portable Mainframe controller into the TLA721 Benchtop Mainframe controller by providing electrical and mechanical support for the controller board floppy disk drives keyboard and mouse ports PC speaker decoding of additional MODID lines via an FPGA and buffering of the backplane signal lines to comply with VXI System Specification 1 4 and VMEbus ANSI IEEE Std 1014 1987 standards Hard D
81. e product manual for further ratings information before making connections to the product 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 Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual ix General Safety Summary Symbols and Terms A A 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 markin
82. eady done so power on the instrument and wait for the logic analyzer application to start 2 Go to the System menu and select Calibration and Diagnostics 3 Verify that all power on diagnostics pass 4 Click the Extended Diagnostics tab TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Performance Verification Procedures TLA Mainframe Diagnostics Checklt Utilities Certification Benchtop Mainframe 5 Select All Modules All Tests and then click the Run button on the property sheet All tests that displayed an Unknown status will change to a Pass or Fail status depending on the outcome of the tests 6 Scroll through the tests and verify that all tests pass The TLA Mainframe Diagnostics are a comprehensive software test that checks the functionality of the mainframes To run these diagnostics do the following steps 1 Quit the logic analyzer application 2 Click the Windows Start button 3 Select Programs Tektronix Logic Analyzer gt TLA Mainframe Diagnos tics 4 Run the mainframe diagnostics Checklt Utilities is a comprehensive software application used to check and verify the operation of the PC hardware in the portable mainframe To run the software you must have either a keyboard mouse or other pointing device NOTE To check the floppy disk drive or the CD ROM drive you must have a test floppy disk or CD installed before starting the Checklt Utilities To r
83. ents for the DSO modules Isolating and correcting failures in the pattern generator module Performing periodic or after repair function al or performance verifications calibrations and certifications for the pattern generator modules TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual XV Preface xvi TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Introduction This manual contains information needed to properly service the portable mainframe This introduction contains information critical to safe and effective servicing To prevent personal injury or damage to the instrument consider the following requirements before attempting service Read the General Safety Summary and Service Safety Summary found at the beginning of this manual Read the Operating Basics chapter for information on the controls connectors and operating system This information is useful before servicing the instrument The procedures in this manual may only be performed by a qualified service person Be sure to follow all warnings cautions and notes Adjustment and Certification Interval Service Strategy Generally you should perform the adjustments and certification calibration once per year or following repairs that may affect adjustment or calibration This manual supports and contains information needed for periodic maintenance of the mainframe It supports and contains information for correct
84. es may be set up to disable hard power off Check the setting of the mainframe utilities the mainframe utilities are located in the Windows Control Panel This is a Windows operating system problem Try powering off the mainframe using the Windows shutdown procedure If the mainframe still does not power off disconnect power cord and reconnect after 10 seconds to reboot the mainframe If the expansion mainframe was incorrectly shut down for example the power cord was disconnected while the expansion mainframe was running the expansion mainframe utility still thinks that the expansion mainframe is on To correct this condition press and hold the power switch for three to four seconds The expansion mainframe will power down on its own Power off the benchtop mainframe Power on the benchtop mainframe the expansion mainframe will power up normally Isolating System Problems 6 56 If you have looked at Table 6 9 and the Tektronix Logic Analyzer application fails to display any modules in the System window you may have a system problem Check for the following m Verify that the module address switches are set correctly Power off the mainframe and remove the modules Set the address switches to FF and reinstall the modules m Verify that the modules do not have the flash programming jumper installed on the rear of the module Power off the mainframe and remove the modules Remove the jumper and reinstall the modules m Try
85. es to the controller The benchtop and expansion mainframes are identical and contain the following major modules m Power supply m Backplane m Enhanced monitor board m Temperature sense board Refer to Figure 3 2 while reading the following paragraphs on the mainframe TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Theory of Operation External Monitor Power Logical Addr RS232 Passive Monitor Fan Speed Switch 10 P9 S3 J7 J8 Enhanced Power Supply Monitor A7 P25 P26 P27 P28 L Eu 1 o J25 J26 J27 J28 A4 Backplane OP1 1P1 2P1 3P1 4P1 5P1 6P1 7P1 8P1 9P1 10P1 11P1 12P1 0P2 1P2 2P2 3P2 4P2 5P2 6P2 7P2 8P2 9P2 10P2 11P2 12P2 A2 Temperature Sense Board On Standby SlotO Slot1 Slot2 Slot3 Slot4 Slot5 Slot6 Slot7 Slot8 Slot9 Slot10 Slot11 Slot 12 Switch Figure 3 2 Mainframe block diagram Power Supply and Power The power supply is a custom power supply capable of supplying 1000 Watts of Supply Interface secondary power to the overall mainframe with an input power of up to 1450 Watts operating at it s minimum 70 efficiency The power supply incorporates a continuous AC source operating in the range of 90 to 250 VAC from 45 Hz to 66 Hz and 100 to 132 VAC from 360 Hz to 440 Hz This covers virtually all international power combinations The power supply al
86. f the modules are fully inserted in the mainframe and either LED stays on contact your local Tektronix service center Check the status of the READY and ACCESSED LEDs on the front panel of the application modules The READY LED turns on when the module passes the power on diagnostics and when the module is ready to communicate with the controller The ACCESSED LED turns on any time the controller accesses the module Check for disk in floppy disk drive make sure mainframe boots from the hard disk drive Check for faulty module Remove modules one at a time and power on the mainframe If mainframe completes the power on sequence replace faulty module Possible software failure or corrupted hard disk try reinstalling the software Faulty hard disk drive try booting to the floppy disk drive or CD ROM drive Corrupted controller BIOS module firmware reinstall firmware refer to the instructions in the Tektronix Logic Analyzer Family User Manual Controller BIOS setup problem verify BIOS settings in the Tektronix Logic Analyzer Family User Manual or check Table 6 12 on page 6 62 for information on BIOS error codes and messages Replaceable hard disk drive not installed Replaceable hard disk drive or fixed hard disk drive not configured properly for master slave operation reconfigure master slave jumpers on the respective drives Faulty hard disk drive contact your local Tektronix service center Faulty benchtop controller contact
87. ff so that you can access the flat head T 10 screws underneath the front panel be careful so that you do not damage the cable from the COM A connector 6 30 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures a 5 SS N a N N 2 QS OS 2 Figure 6 19 Removing and installing the front panel hardware 7 Refer to Figure 6 20 and remove the four T 10 screws from the front of the controller 8 Remove the four flat head T 10 screws on the top and bottom covers that hold the hard drive interface board in place See Figure 6 20 9 Disconnect the two ribbon cables located on the rear of the hard disk interface board 10 Slide the hard drive interface board out of the chassis TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 31 Benchtop Controller Removal and Installation Procedures Hard disk drive interface board N Remove screws 4 Disconnect cable Remove screws 4 Figure 6 20 Removing screws from the front and sides of the controller Installation To install the hard disk drive interface board and the front panel complete the following steps 1 If you have not already done so Place front panel near the front of the chassis and thread the COM A connector cable through the hole in the chassis 2 Connect the COM cable connector to the COM connector on the processo
88. following services can be tailored to fit your requirements for calibration and or repair of your 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 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 Service agreements may be custom ized to meet special turn around time and or on site requirements Service on Demand Tektronix offers calibration and repair services on a per incident basis that is available with standard prices 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 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Introduction Contacting Tektronix Phone Address Web site Sales support Service support Technical support 1 800 833 9200 Tektronix Inc Depa
89. following steps 1 Remove the mainframe cover by following the Mainframe Cover removal procedure on page 6 13 2 Disconnect the ribbon cable from the temperature sense board 3 Refer to Figure 6 10 and gently pry back on each retainer holding the temperature sense board in place 4 Tilt the board forward and lift it out of the holes at the top of the mainframe being careful not to damage any components on the circuit board Installation Complete the following steps to install the temperature sense board in the mainframe 1 Refer to Figure 6 10 and install the temperature sense board in the main frame as shown 2 Make sure that the circuit board snaps into place under each retainer 3 Reconnect the ribbon cable 4 Reinstall the mainframe cover TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 17 Mainframe Removal and Installation Procedures Temperature sense board Figure 6 10 Removing the temperature sense board 6 18 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures EMI DIN Shields Removal Perform the following steps to remove the EMI DIN shields 1 Remove any modules surrounding the slots where you intend to remove the Backplane EMI DIN shields Refer to Figure 6 11 2 Remove two 4 40 Torxdrive T 10 screws that secure each EMI DIN shield to the backplane 3 Remove EMI DIN shield from the back
90. ft above 5000 foot altitude Line voltage derated for temperatures gt 40 maximum output power reduced 15W C for line voltage lt 110 VAC Nonoperating no media in floppy disk drive or CD ROM drive 20 C to 60 C 15 C hr maximum gradient non condensing Operating no media in floppy disk drive or CD ROM drive 20 to 80 relative humidity non condensing Maximum wet bulb temperature 29 C derates relative humidity to approximately 22 at 50 C Nonoperating no media in floppy disk drive or CD ROM drive 8 to 80 relative humidity non condensing Maximum wet bulb temperature 29 C derates relative humidity to approximately 22 at 50 C Operating To 10 000 ft 3048 m derated 1 C per 1000 ft 305 m above 5000 ft 1524 m altitude Nonoperating 40 000 ft 12192 m TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 13 Specifications Table 1 10 Mechanical characteristics Characteristic Mainframe dimensions Standard Height with feet Width Depth Rackmount Height Width Depth Benchtop controller dimensions Height Width Depth Expansion module dimensions Height Width Depth Weight Mainframe with benchtop controller and slot fillers Description See Figures 1 1 and 1 2 for overall dimensions 13 7 in 346 7 mm including feet 16 7 in 424 2 mm 26 5 in 673 1 mm 13 25 in 336 6 mm 18 9 in 480 1 mm 28 9 in to 33 9 in 734 1 mm to 861 1 mm in 0 5 in in
91. g WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product A A CAUTION WARNING Protective Ground Refer to Manual High Voltage Earth Terminal TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AAA AAA Service Safety Summary Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power 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 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual xi Service Safety Summary xii TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Preface Manual Structure This is the service manual for the TLA721 Benchtop Mainframe and the TLA7XM E
92. g replacement parts from Tektronix 3and4 Serial number Column three indicates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entry indicates the part is good for all serial numbers 5 Qty This indicates the quantity of parts used 6 Name amp description An item name is separated from the description by a colon Because of space limitations an item name may sometimes appear as incomplete Use the U S Federal Catalog handbook H6 1 for further item name identification 7 Mir code This indicates the code of the actual manufacturer of the part 8 Mfr part number This indicates the actual manufacturer s or vendor s part number Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 Mfr Code to Manufacturer 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 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mechanical Parts List Manufacturers cross index Mfr code Manufacturer 00779 TYCO ELECTRONICS CORPORATION 01295 TEXAS INSTRUMENTS INC 01963 CHERRY ELECTRICAL PRODUCTS CO 04713 MOTOROLA INC 06383 PANDUIT CORP 060D9 TENSOLITE COMPANY 09922 FCI USA INC 0B445 ELECTRI CORD MFG CO INC 0DiM6 NMB TECHNOLOGIES INC 0J9P4 DELTA ENGINEERING 8 MFG CO 0KB01 STAUFFER SU
93. ge Figure 6 18 Removing and installing the left and rear covers TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 29 Benchtop Controller Removal and Installation Procedures Installation Use the following instructions and refer to Figure 6 18 to install the controller covers 1 Place the left side cover on the chassis 2 Secure the rear cover to the module 3 Make sure that all the holes line up and then install the T 10 Torx drive screws tighten the screws to 4 in Ibs Front Panel and Hard Disk Drive Interface Board You must remove the front panel and then the hard disk drive interface board before you can access the other replaceable components in the benchtop controller You will need a screwdriver with a T 10 Torx tip a 1 4 inch nut driver a 3 16 nut driver and a small flat blade screwdriver to complete the procedures Removal To remove the front panel complete the following steps 1 Remove the injector handles by completing the procedure on page 6 28 2 Remove the left and rear covers by completing the procedures on page 6 29 3 Remove the five 4 inch nuts on the back of the front panel 4 Using a small flat blade screw driver remove the two screws from the printer port connector on the front panel see Figure 6 19 5 Using the 3 6 nut driver remove the four standoffs from the two video port connectors do not remove the standoffs at the COM A connector 6 Pull the front panel o
94. h 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 AAA AAA Table of Contents Specifications Operating Infromation Theory of Operation General Safety Summary oooooocococcococrononnc no ix Service Safety Summary cece cece cere cere ence eee xii Preface ieoi ork Dr TS xiii Manual Stricture ii A Ein xiii Manual Conventions sisi 2 ee ea era xiv Relat d Manuals 20000 A A is alas xiv Introduction 20 0 0 ccc cece ccc ce E ee cee eee e eter e rene eens xvii Adjustment and Certification Interval 0 0 cece ee eee ooo xvil Service Strategy e nn o rn ea ei ae xvil Service Offerings lei dra es white xviii Contacting Tektronix su asle peia a a eek e oa aiea xix Product Descriptio eerie ale 1 1 Characteristic Tables 05 sche a Seth ened deb a 1 2 Installation a Cath hed
95. he most significant digit the bottom switch sets the least significant digit It is recommended that you set the address switches to FF so that the resource manger can dynamically configure the instruments address if you select any other address you must be careful to select a unique address The green READY indicator lights after the power on diagnostics are complete and there are no failures During normal operation the light flashes if there is a pending error message Once all error messages have been retrieved the READY indicator stops flashing and remains on The amber ACCESSED indicator lights when the MODID line is accessed by the slot O device An auxiliary power connector MONITOR BACKUP POWER SUPPLY allows you to apply 5 V to the enhanced monitor board to provide RS 232 commu nication with the enhanced monitor while the mainframe is not powered on The jumper located just above the power connector determines whether you source the 5 V standby voltage from the monitor backup power supply connector or from the 25 pin connector TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information The enhanced monitor board has two jumpers accessible from the rear of the mainframe Figure 2 6 shows the factory default settings of these jumpers _ ese 5V Standby sourced from monitor backup power supply default 7 5V Standby sourced from P9 pins 8 4 21
96. he online help by clicking on the Help button in the property page TLA Mainframe The TLA Mainframe Diagnostics are comprehensive software tests that check Diagnostics benchtop mainframe as well as the benchtop controller If the TLA Mainframe Diagnostics test fails to run correctly the benchtop controller is defective To run the TLA Mainframe diagnostics do the following steps 1 Quit all other applications on the instrument Click on START in the tool bar Select Programs from the Start menu Select Tektronix Logic Analyzer from the Programs menu mir cakes Ges ab Select TLA Mainframe Diagnostics from the Tektronix Logic Analyzer menu Refer to the online help in the TLA Mainframe Diagnostics application for information on running the TLA Mainframe Diagnostics Expansion Mainframe At power on the instrument runs two power on diagnostics for any attached Diagnostics expansion mainframes Power Cables A amp B and config and Cable C Connection Test If either of these power on diagnostics fail none of the modules associated with the expansion mainframe and possibly the expansion mainframe itself will be recognized The result will be as if the expansion mainframe was not connected Checklt Utilities If the instrument passes all other diagnostics and you still suspect problems you can run the Checklt Utilities The Checklt Utilities is a third party software that allows you to check the main part of the PC con
97. heck for Common Problems ossea atsa sery cece eee cece eee eee 6 52 Isolating System Problems da seir nita eee eee 6 56 Eliminate other Problem Sources 2 22 00 cee eee 6 59 Diagnostics u a ae ia Pala A by ten 6 59 BIOS Error Messages oi na pa Sai gee Sew la deste one 6 62 ELA Startup Sequence 2 a ae ner dang ae 6 65 Troubleshoot the Benchtop Controller ooooooooooommmo roo nenn 6 66 Troubleshoot the Mainframe 0 0c cee ee eee eee 6 68 Troubleshoot the Expansion Mainframe 0 0 0 ee eee ee eee 6 71 Adjustments after Repair 0 0 cc ee eee eee 6 72 Repackaging Instructions 0c cece cece cree e eee e eee 6 73 ET A k rea I ate aa eee a a 6 73 Shipping to the Service Center 2 0 ee eee eee eee eee 6 73 SEIVICEOPLONS ee u es 7 1 Product Options vid wee Ne SSS ee Rn eee ds 7 2 Power Cord Options erger heessa with weed eevee dw eb weds 7 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Table of Contents Electrical Parts List Diagrams Mechanical Parts List Parts Ordering Information 0 0 cece cece een eee Using the Replaceable Parts List ooooooocoocoooooomocmmo eee TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Table of Contents List of Figures Figure 1 1 Dimensions of the benchtop and expansion mainframe Figure 1 2 Dimensions of the benchtop and expansion mainframe with rackmount
98. inframe can be a TLA715 Portable Mainframe a TLA721 Benchtop Mainframe or another TLA7XM Expansion Mainframe The external mainframe also has an expansion module that routes the backplane signals from the external mainframe through three cables to the expansion module in the expansion mainframe The theory of operation is broken down according to the benchtop controller mainframe and expansion controller The Diagrams chapter contains block diagrams and interconnection diagrams separate from this chapter that you may want to use while servicing the instrument Refer to Figure 3 1 while reading the following paragraphs on the benchtop controller The benchtop controller provides all the benefits of a high performance PC based controller architecture including graphics and I O The main difference between the benchtop controller and a standard PC is the interface used to communicate with the modules installed in the mainframe The benchtop controller is installed in a three wide controller module that supports integration with the mainframe The benchtop controller uses the same Pentium III controller found in the TLA715 Portable Mainframe However the parts are rearranged to provide access to the PC I O connectors found on the front of the controller An additional adapter board interfaces the controller board to the backplane and additional peripherals A hard disk drive board mounts the hard disk drive and CD ROM drive TLA721 Benchtop
99. isk Drive Board The hard disk drive board provides electrical and mechanical support for the hard disk drive and the CD ROM drive Hard Disk Drive The hard disk drive HDD is a standard 2 5 inch IDE drive which interfaces directly to the controller through the Enhanced Integrated Device Electronics IDE interface The hard disk drive is easily replaceable without removing any of the covers or screws on the controller The hard disk drive is only available in the maximum configuration The sizes of the hard disk drive are dependent on the current cost and availability The benchtop controller is electrically capable of accepting dual master slave IDE HDD configurations for a total of three hard disk drives however the CD ROM takes one of the configurations but is currently limited to mounting two hard TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 3 3 Theory of Operation Floppy Disk Drive CD ROM Drive Mouse and Keyboard Mainframe 3 4 Ports USB Ports disk drives A second hard disk drive can be added to the controller with one of the options in the TLA7UP upgrade kits The floppy disk drive is a standard 0 5 inch drive supporting 3 5 inch 1 44 MB high density double sided floppy disks The CD ROM drive is a standard 24X CD ROM drive The mouse and keyboard ports are standard PS2 compliant ports They interface to the controller board through the Adapter board A dual USB port connects USB devic
100. ity of installation and on site services depends on the product and geography Upgrade options are ordered with the mainframe products and cover individual modules Table 7 1 TLA721 Service Options Option Description C3 Provides factory calibration certification on delivery plus two more years of calibration coverage D1 Provides initial test data report from factory on delivery D3 Provides test data on delivery plus a test data report for every calibration performed during three years of coverage requires Option 3C IN Provides initial product installation configuration and start up training session including front panel and product familiarization R3 Extends product repair warranty to a total of three years S1 Upgrades the standard one year return to depot warranty to an on site warranty 3 Upgrades any C3 D3 and R3 options purchased to on site coverage for three years Table 7 2 TLA7XM Service Options Option Description IN Provides initial product installation configuration and start up training session including front panel and product familiarization R3 Extends product repair warranty to a total of three years S1 Upgrades the standard one year return to depot warranty to an on site warranty 3 Upgrades any C3 D3 and R3 options purchased to on site coverage for three years TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 7 1 Options Product O
101. ive mainte nance of this product supports isolation of faults to the failed circuit board or assembly level shown in the Replaceable Parts List supports removal and replacement of boards or assemblies supports removal and replacement of the fuse knobs chassis and other mechanical parts listed in the parts lists This manual does not support component level fault isolation and replacement TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual xvii Introduction Service Offerings Warranty Repair Service xviii 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 equipped to service the instrument 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 is located behind the title page in this manual Tektronix technicians provide warranty service at most Tektronix service locations worldwide The Tektronix product catalog lists all service locations worldwide In addition to warranty repair Tektronix Service offers calibration and other services which provide solutions to your service needs and quality standards compliance requirements The
102. lat washers that secure the handle to the chassis Remove the handle Screw Washer 5 ra Sleeves SY Ejector handles Q Figure 6 26 Removal and installation of the ejector handles Install the ejector handle through the front panel cutout onto the mounting post and install the screws and flat washers to secure the handle to the chassis as shown in Figure 6 26 NOTE The top and bottom ejector handles are not interchangeable TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Expansion Module Removal and Installation Procedures Expansion Module Cover You will need T 10 Torx tip driver to remove the cover and gain access to the internal circuit board Removal Remove the screws shown in Figure 6 27 and lift the cover off Remove screws 6 Figure 6 27 Removal and installation of the cover Installation Place the cover on the chassis by sliding the three EMI tabs under the lip of the front cover Make sure that the cover is fully seated and with no gaps against the front and rear chassis flanges Secure cover with the screws removed from the top and bottom of the enclosure TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 47 Expansion Module Removal and Installation Procedures Expansion Module Circuit Board You will need T 10 Torx tip driver to remove and install the circuit board Removal Refer to Figure 6 28 and follow these instructions 1 Remo
103. level of complexity to troubleshooting problems this section will concentrate on tips to aid you in troubleshooting expansion mainframe related problems There are certain signs that the expansion mainframe is not powering on correctly By looking and listening you can determine if the expansion main frame is not powering on because the expansion mainframe is not receiving a signal from the expansion module Upon powering on the benchtop mainframe or portable mainframe the expansion module in the benchtop mainframe sends a signal to the expansion module in the expansion mainframe via the three expansion cables If the expansion mainframe does not receive this signal the expansion mainframe will not be prompted to power on If the expansion mainframe receives the power on signal the fan will start and the lamp on the mainframe will light Further indications that the mainframe is receiving signals from the expansion module is that the lights on the expansion module and any other installed modules will blink indicating that signals are being received If you have available a known good expansion module complete the following steps 1 Remove the suspect expansion module from the expansion mainframe The expansion module is a Slot O device when installed in the expansion mainframe Verify that the expansion module is installed in Slot O and that the MODID switches on the back of the module are set to FF 2 Try swapping the expansion m
104. lf test diagnostics default ResMan32 records the resource manager actions in the text window in a short form or nonverbose mode ResMan32 will terminate the tests and display the resultant action information in the text window ResMan32 will perform the mainframe power on self test diagnostics ResMan32 records all actions in a text window in the verbose mode default ResMan32 will not display the text window and the tests will terminate after executing regardless of the error conditions ResMan32 displays in a minimized window 1 Quit the logic analyzer application and any other applications on the desktop 2 Click on the Window Start button and select Run 3 In the dialog box enter the following path C Program Files TLA700 System ResMan32 exe 4 Click on OK The ResMan32 program will check all of the installed modules and their address locations The program will print out data similar to that in Figure 6 29 on page 6 58 In this example the mainframe has two logic analyzer modules installed If ResMan32 encounters any errors such as an unsupported instrument or application module the resource manager will stop further communications and display information on why or at what point the instrument module was disabled TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 57 Troubleshooting Auto Exit Off Identify Static Configure Devices Found a device at LA 1 Found a device at LA 2
105. ls within the controller Fault Isolation Use the troubleshooting tree in Figure 6 31 to identify problems in the benchtop controller TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 67 Troubleshooting Windows Ensure the the removable Boots hard disk drive is properly installed With mainframe powered off insert benchtop controller into slot O and 1 Turn on power Run Checklt Utilities Possible cause 1 Verify monitor power cord is plugged in 2 Failed fuse 3 Defective monitor Monitor powers on Passes all tests Repair replace failed part Possible cause 1 DIMMs incorrectly installed or missing 2 Defective controller board Controller appears dead dead screen Run TLA mainframe diagnostics Possible cause 1 Monitor cable detective or not connected to mainframe 2 External monitor controls turned down Monitor 3 Defective monitor display is blank Passes all Controller board tests defective If the TLA Application is not running start it from the START menu BIOS error See BIOS error message code table 6 12 TLA Reinstall TLA software on page 6 62 Application see TLA User manual Yes Figure 6 31 Benchtop controller troubleshooting tree Troubleshoot the Mainframe Use the following steps to troubleshoot problems in the benchtop mainframe This procedures assume that the bencht
106. lug the blower cable and set the blower assembly aside on a clean working surface To remove the blower remove the ten screws with the Allen wrench holding the shroud part of the blower assembly to the chassis part of the assembly Set the shroud aside There are three screws on each side and four on the bottom See Figure 6 4 Remove the two sheet metal screws at the top of the blower Remove the four screws that hold the blower to the chassis part of the blower assembly For convenience replace the two sheet metal screws from step 6 onto the top of the blower Installation Install the blower assembly by following the removal procedures in reverse order NOTE When reconnecting the blower cables to the chassis verify that you connect the blower cable to J8 1 BLOWER TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 7 6 8 Mainframe Removal and Installation Procedures 8 32 Captive screw fan housing 8 32 Captive gt 8 32 Captive screw fan housing masse vonon screw Enhance monitor or 8 32 Captive 8 32 Captive wN screw cable cover screw fan housing Q e o u o 4 8 32 Cap
107. mber partnumber effective discontd Qty Name amp description Mfr code Mfr part number POWER SUPPLY MONITOR AND BLOWER 10 3 1 671 3982 01 BOt0100 B019999 1 CIRCUIT BD ASSY ENHANCED MONITOR 80009 671 3982 00 CONTAINS ITEMS 1 THRU 4 1 671 3982 02 B020000 1 CIRCUIT BD ASSY ENHANCED MONITOR 80009 671 3982 02 CONTAINS ITEMS 1 THRU 4 2 333 4236 00 1 PANEL MONITOR ENHANCED 0 062 AL W LEXAN TK1943 333423600 OVERLAY 3 214 3903 01 4 SCREW JACK 4 40 X 0 312 EXT THD 4 40 INT 0KB01 214 3903 01 THD 0 188 HEX STEEL CADPLATE 4 211 0747 00 4 SCREW MACHINE 6 32 X 0 188 PNH STL CDPL 0KB01 ORDER BY T 15 DESCRIPTION 5 200 4344 00 1 COVER BLOWER CABLE 0 040 A1 ALLOY TK1943 200 4344 00 6 380 1112 00 1 HOUSING BLOWER HOUSING BLOWER TK1943 380 1112 00 7 212 0193 00 10 SCREW EXT RLV 8 32 X 0 375 BUTTON HEAD 0KB01 212 0193 00 HEX DRIVE STAINLESS STEEL BLACK OXIDE FINISH 0 093 DRIV 8 119 5199 00 1 FAN DC BLOWER 48V DUAL INLET 450 CFM 80009 119 5199 00 177 W WITH 6 SCREWS 9 212 0400 00 4 SCREW MACHINE 8 32 X 0 250 PNH STL ZINC 3M099 BY DESCRIPTION T 20 10 334 9921 00 1 MARKER IDENT LABEL REAR POWER RATING 0KB05 334 9921 00 0 010 LEXAN 1 500 X 7 500 BACKGROUND SILVER GRAY 11 119 5553 XX 1 POWER SUPPLY VXI MAINFRAME 925W 80009 119 5553 XX 12 367 0494 00 1 HANDLE EJECTOR POWER SUPPLY TK1943 367 0494 00 0BD 13 211 0932 00 2 SCREW SHLDR 8 32 X 0 187 OD X 0 125 L 0 187 L 24931 PZ 6 3 10 10 TLA721 Benchtop TLA
108. me Characteristic Tables 1 2 Easy access to field replaceable units FRUs to provide a low mean time to repair MTTR for exchange modules Fan airflow capacity to support a reduction in audible noise levels Mainframe compatible with international power standards certified to international safety and EMC requirements and tested to rugged environ mental standards 100 hardware and software compatibility with the TLA715 Portable Mainframe allowing you to transport modules data and end user applica tion programs between mainframes The expansion mainframe comprises of a benchtop chassis and the expansion module The expansion module is a single wide C size modules that provides cable connections to a benchtop mainframe or to a portable mainframe The expansion mainframe has the following key features Microsoft Windows operating system 12 slots excluding one slot for the expansion module for compatibility with new and existing LA DSO and patgen modules Precision clock trigger line and event signaling between the mainframe and modules for real time triggering sequencing and correlation of events Easy access to field replaceable units FRUs to provide a low mean time to repair MTTR for exchange modules Fan airflow capacity to support a reduction in audible noise levels Mainframe compatible with international power standards certified to international safety and EMC requirements and tested to rugged environ
109. me Service Manual 6 27 Benchtop Controller Removal and Installation Procedures Injector Ejector Handles You will need a T 10 Torx tip driver to replace the injector ejector handles NOTE The labels can be replaced without removing the handles Removal To remove the injector ejector handles place the controller on the right side as shown in Figure 6 17 Remove the screws that secure the handle to the chassis and then remove the handle Ejector handles 2 Figure 6 17 Removal and installation of the ejectors Installation Install the injector ejector handle through the front panel cutout onto the mounting post and install the screws to secure the handle to the chassis NOTE The top and bottom injector ejector handles are not interchangeable 6 28 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures Covers Remove the controller cover to gain access internal components and memory You will need a screwdriver with a T 10 Torx tip to perform the following procedure Removal Remove the ten flat head T 10 Torx drive screws shown in Figure 6 18 and lift off the controller left and rear covers Left side cover Screws 10 d l A O N A i ies A J N A N g f X Nx ie SH f gt ES N Sy SS gt l A Pg 0 gt SS ade SI a anaes a ODA l A 00000
110. me and expansion mainframe Benchtop Controller Mouse amp Replaceable Keyboard hard disk drive disk drive PC Cards SVGA COM USB EPP amp Trigger Ports PCI to Backplane VTC Trig PC Controller Bridge ASIC ASIC Display and I O Hard Disk Interface Adapter Board Floppy disk drive Benchtop or Expansion Mainframe Module Slot Module Slot Module Slot Power Supply Backplane Enhanced Monitor Figure 9 1 Interconnection diagram TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 9 1 Diagrams External Monitor Power Logical Addr 2 RS232 Passive Monitor Fan Speed Switch 10 P9 S3 J7 J8 Enhanced Power Supply Monitor A7 P25 P26 P27 P28 L j 102 Ras J25 J26 J27 J28 am A4 Backplane 0P1 1P1 2P1 3P1 4P1 5P1 6P1 7P1 8P1 9P1 10P1 11P1 12P1 0P2 1P2 2P2 3P2 4P2 5P2 6P2 7P2 8P2 9P2 10P2 11P2 12P2 A2 Temperature Sense Board On Standby SlotO Slot1 Slot2 Slot3 Slot4 Slot5 Slot6 Slot7 Slot8 Slot9 Slot10 Slot 11 Slot 12 Switch Figure 9 2 Benchtop mainframe block diagram Figure 9 3 shows the block diagram for the expansion mainframe when it is connected to a benchtop mainframe 9 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Diagrams Primary Expansion Module VXI Register based interface CPU Bus Buffers
111. n adapters 5 0 025 inch square pin 6 Digital multimeter with test leads 7 Cable precision 50 Q coaxial 8 SMB to BNC cable Minimum requirements TLA721 Benchtop Mainframe with a LA DSO or Patgen module installed TLA7XM Expansion Mainframe with a LA DSO or Patgen module installed Expansion mainframe should be connected to the TLA721 Benchtop Mainframe Frequency accuracy lt 0 0025 Frequency range 1 kHz to 100 MHz Two required 3 4 inch length two required VDC accuracy 0 1 from 10 V to 100 V 50 Q 36 in male to male BNC connectors One required Functional Verification TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Example Hewlett Packard 5314A Tektronix part number 103 0177 XX Tektronix part number 131 1426 XX Tektronix DMM 900 Series Tektronix part number 012 0482 XX Tektronix P6041 Table 4 2 lists the functional verification procedures that are available for the benchtop and expansion mainframes If you have an expansion mainframe these procedures assume that the expansion mainframe is properly connected to the TLA721 Benchtop Mainframe If necessary refer to the Tektronix Logic Analyzer Family User Manual for installation instructions Table 4 2 Functional verification procedures Instrument Benchtop and expansion mainframe Procedure Power on and fan operation Power up diagnostics Extended diagnostics TLA Mainframe diagnostics
112. n the mainframe are the same as with Microsoft Windows running on a high per formance personal computer Windows Help is available from the Start menu of the Windows Task Bar The instrument also comes with the Tektronix Logic Analyzer Family applica tion software configured at the factory to launch after the logic analyzer boots up and the operating system is running The application software controls data acquisition and processing by the logic analyzer The application software is included with the product refer to the Tektronix Logic Analyzer Family User Manual if you need to reinstall any software Most of the user information for operating the logic analyzer is available through online help Refer to the online help for more information on the individual menus icons and fields within each window The System window provides an overview of the entire logic analyzer Use the System window to navigate through the logic analyzer The center of the system window displays icons that represent logic analyzer modules DSO modules or pattern generator modules These icons provide links to other windows in the instrument A setup window exists for each module in the instrument It contains the setup information for the module such as clocking memory depth threshold information and channel information Each trigger window provides access to the trigger setups DSO and logic analyzers have their own trigger windows Use the trigger window
113. n mainframe is not recog nized by the system Expansion mainframe does not show up in the system window Possible causes and recommended action Mainframe not set up to start application at power on Start application from the desktop by double clicking on the Tektronix Logic Analyzer icon on the desktop Faulty or corrupt software reinstall the application software Exit the Safe mode and restart the mainframe Incompatible hardware and hardware driver software Either install hardware driver or remove the incompatible hardware Module firmware has not been updated reflashed The flash jumper was not removed after the module firmware was reflashed Power off mainframe and check that all modules are fully inserted Module address switches not set correctly Power off mainframe and remove module Set address switches to FF and reinstall module Module failure replace with known good module or contact your local Tektronix service center Mainframe failure contact your local Tektronix service center Power down the mainframe and expansion mainframe s Check that both of the TLA7XM expansion modules are firmly seated and that the mounting screws on the TLA7XM expansion modules are tightened Remove the two blue expansion cables and the gray expansion cable Examine the connectors on the cables for bent or broken pins Examine the connectors on the expansion mainframe Reconnect the two blue expansion cables and the gray expa
114. nal packaging If the packaging is unavailable or unfit for use contact your local Tektronix representa tive to obtain new packaging Seal the shipping carton with an industrial stapler or strapping tape Shipping to the Service Center Contact the Service Center to get an RMA return material authorization number and any return or shipping information you may need If the instrument is being shipped to a Tektronix Service Center enclose the following information m The RMA number m The owner s address m Name and phone number of a contact person m Type and serial number of the instrument m Reason for returning Acomplete description of the service required Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 73 Repackaging Instructions 6 74 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Options This chapter lists the advertised options and optional accessories for the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe Refer to the Mechanical Parts List for a list of standard and optional accessories for the mainframes Service Options Tektronix Service Options are available at the time you order your instrument Table and Table list the service options available for the TLA721 Benchtop Mainframe and TLA7XM Expansion Mainframe The availabil
115. nix Logic Analyzer application which performs the following tasks m Power on diagnostics on all installed modules m Power on diagnostics on the logic analyzer system m Records the Pass Fail status in the Calibration and Diagnostics property sheet TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 65 Troubleshooting If no failures occur the logic analyzer application is ready to use for regular tasks Y Y Mainframe kernel test Module 1 Module 2 Module 3 I Module n kernel test kernel test kernel test kernel test Pass Fail Pass Fail Pass Fail Pass Fail T Terminate and i display error Verify kernel self test status code Inhibit failed modules zer Pass Log failures and build configuration MS Windows boot Start logic analyzer application Start resource manager System controller 5 tests TLA system power on diagnostics Records failures in Calibration and Diagnostic property sheet Module power on diagnostics Figure 6 30 Startup sequence Troubleshoot the Benchtop Controller This subsection provides additional information to help you troubleshoot the benchtop controller The procedures assume that the benchtop mainframe is fully functional 6 66 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting Required Equipment No special equipment is required since there are no accessible test points to measure voltages and signa
116. nnector cable on the processor board and set the front panel aside Refer to Figure 6 23 and remove the two T 9 Torx screws holding the mouse and keyboard connectors to the front of the chassis Refer to Figure 6 23 and remove the two T 10 Torx screws holding the PC card connector housing to the front of the chassis Disconnect the four SMB cables from the processor board Refer to Figure 6 23 and remove the six T 10 Torx screws from the interface bottom board that secure the two boards to the chassis TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 39 Benchtop Controller Removal and Installation Procedures Screws 6 p V Figure 6 23 Removing the processor and interface boards 7 Lift the two boards out of the chassis 8 Disconnect the ribbon cable at the back of the processor board 9 To separate the two boards refer to Figure 6 24 and remove the five T 10 screws and then carefully separate the two boards The boards are connected by two pass through connectors 6 40 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures Processor board Interface board Figure 6 24 Separating the processor and interface boards 10 Remove the four T 10 screws on the bottom side of the interface board that attach the floppy disk drive bracket to the circuit board as shown in Figure 6 25
117. nsion cable and tighten the screws on the connectors Verify that the cables are not crossed verify that the cables are connected A A B B and C C Power on the mainframe and expansion mainframe s The mainframe power must be recycled in order for the ResMan32 resource manager application to correctly configure Expansion mainframe failure contact your local Tektronix service center Expansion mainframe is recognized by the system but installed modules are not Power down the mainframe and expansion mainframe s Power on the mainframe and expansion mainframe s The mainframe power must be recycled in order for the ResMan32 resource manager application to correctly configure Module address switches not set correctly Power off mainframe and remove module Set address switches to FF and reinstall module Power down all mainframes install a known good module from the benchtop mainframe into the expansion mainframe where the modules were not recognized Power up all mainframes and retry Module failure contact your local Tektronix service center TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 55 Troubleshooting Table 6 9 Failure symptoms and possible causes Cont Symptom Portable Mainframe will not power off with On Standby switch Expansion Mainframe will not power off with On Standby switch Possible causes and recommended action The mainframe utiliti
118. nsion controller module Expansion mainframes are used to expand the capabilities of a single TLA700 Logic Analyzer Throughout this manual the term module refers to a TLA700 Series Logic Analyzer DSO unit or pattern generator unit that mounts inside the mainframe A module is composed of circuit cards interconnecting cables and a user acces sible front panel enclosed in a mechanical frame 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 Symbols and terms related to safety appear in the Service Safety Summary found at the beginning of this manual The following manuals are available as part of the Tektronix Logic Analyzer Family documentation set The procedures in this manual assume that the service personnel have access to all manuals listed in the following table Other manuals may exist outside of the table as the product line offerings change Contact your local Tektronix Service Representative for the latest part numbers of the service documentation You can also obtain part numbers from the online help for the instrument TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Preface Table i Tektronix Logic Analyzer Family Documentation
119. nterior Inspection TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Clean the exterior surfaces with a soft dry lint free cloth or a soft bristle brush If any dirt remains use a soft 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 cleaning compounds CAUTION Avoid getting moisture inside the instrument during exterior cleaning use just enough moisture to dampen the cloth or swab Use only deionized 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 Remove the module covers to access the inside of the benchtop controller or the expansion module for inspection and cleaning Refer to the Removal and Installation Procedures for detailed information on cover removal Inspect the internal portions of the modules and the mainframes for damage and wear using Table 6 2 as a guide Defects found should be repaired immediately Maintenance A Interior Cleaning Procedure 6 4 Table 6 2 Internal inspection check list Item Inspect for Repair action Circuit boards Loose broken or corroded Return to a Tektronix Service Center solder connections Burned circuit boards Burned broken or cracked circuit
120. odule from the benchtop mainframe or portable mainframe with the expansion module from the expansion chassis This sometimes works because one module is a sender while the other module is a receiver CAUTION The single wide expansion module requires up to 60 lbs of insertion force to engage it into the back plane Do not use the mounting screws to engage the module into the backplane of the mainframe The mounting screws will not provide enough force to seat the expansion module and you can easily be strip the threads 3 Power on the mainframe and check for normal operation TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 71 Troubleshooting 4 If the mainframe still fails to operate properly install the known good expansion module in Slot O of the expansion mainframe 5 Ifthe failure symptoms are still present with the known good expansion module installed try new expansion cables between the mainframes 6 If the symptoms are still present after using a known good expansion module and known good cables the problem is most likely in the expansion mainframe and the module needs to be serviced Check the Expansion If you do not have a known good expansion module perform the following steps Mainframe to make sure the expansion mainframe is not the source of the failure m Remove all plug in modules from the expansion mainframe except the expansion module m Power on the benchtop mainframe and dete
121. ollution Degree 2 as defined in IEC61010 1 Note Rated for indoor use only TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 17 Specifications 1 18 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AAA AAA Operating Information Installation A Selecting the Correct Power Cord and Fuse This chapter contains high level information about operating the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe It also provides information on the controls and connectors on the instrument The last part of the chapter contains information on SCPI commands that you can use to service the mainframe from a remote host Complete installation procedures are described in the Tektronix Logic Analyzer Family User Manual refer to that manual for detailed installation instructions Install any modules that are required for your application before applying power to the instrument If you are operating the instrument on a bench without a rackmount ensure a two inch 5 1 cm clearance around the instrument for proper cooling CAUTION Connect the keyboard mouse and other accessories before applying power to the instrument Connecting accessories after applying power to the instrument can damage the instrument or the accessories The mainframe comes standard with two power cords and three fuses Before installing the instrument you must determine the correct fuse and power cord for your applic
122. one of the ground pins 2 Connect the other lead of the digital voltmeter to the supply pins of the 25 pin connector on the right rear panel of the mainframe 3 Measure the power supply voltages with the voltmeter and compare each reading to the values listed in Table 4 4 If the voltages are within the specified ranges the mainframe is operating properly Table 4 4 Power supply voltages at the 25 pin connector Pin Supply Acceptable voltage range 1 5 V 4 875 V to 5 250 V 2 12V 12 60 V to 11 64 V 3 24 V 25 20 V to 23 28 V 4 2 V 2 10 V to 1 90 V 14 12 V 11 64 V to 12 60 V 15 24 V 23 28 V to 25 20 V 16 5 2 V 5 460 V to 5 044 V 9 17 20 22 24 Logic Ground TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 4 7 Performance Verification Procedures 4 8 Checking the 10 MHz The following procedure checks the accuracy of the 10 MHz system clock This System Clock CLK10 procedure is only required on the benchtop mainframe it is not required for the expansion mainframe Frequency counter item 3 SMB to BNC cable item 8 Warm up time 30 minutes Equipment required Prerequisites Power up mainframe and Checklt diagnostics pass 1 Verify that all of the prerequisites above are met for the procedure 2 Connect the frequency counter to the External Signal Out TTL SMB connector on the benchtop mainframe controller 3 Go to the System window and sele
123. ontrols the power on functions If the switch is connected to J23 the front panel switch is disabled however the light still illuminates when the chassis is powered on To configure the mainframe to disable the front panel On Standby switch disconnect the power cord from the mainframe Refer to Figure 6 14 and remove the cover from the mainframe Locate the two connectors at the top of the backplane and disconnect the On Standby switch cable at J22 and connect it to J23 Replace the mainframe cover Connect the momentary switch to pins 5 and 18 return side of the 25 pin rear panel connector TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 23 Mainframe Removal and Installation Procedures Power switch connector lt Backplane O Figure 6 14 Power switch connectors 6 24 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AS eee Benchtop Controller Removal and Installation Procedures This section provides procedures for removing and installing mechanical and electrical modules in the benchtop controller Individual boards inside the controller are not individually replaceable If you isolate faults to a circuit board you must return the entire controller module to Tektronix for repair CAUTION Do not remove or install the benchtop controller or any other modules while the mainframe is powered on Installing or removing modules while the mainframe is powered
124. op mainframe is not connected to any 6 68 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting expansion mainframes and that the benchtop controller is fully functional You can use these procedures to also troubleshoot the expansion mainframe once you have isolated problems to the mainframe itself Most of the problems in the mainframe can be isolated to power supply problems or to cooling problems If the front panel Standby On switch lights up when you turn the switch on you should verify that the blower operates and then check the power supply voltages You can also isolate problems in the mainframe by using the troubleshooting tree shown in Figure 6 32 Power Supply Problems You can easily check the power supply voltages by following the Checking the Power Supply Voltages beginning on page 4 6 If the power supply voltages are not correct this could be due to several reasons m Open fuses m Faulty power supply m Faulty modules Remove the modules and try the power supply checks again Alternately try installing a known good module Inadequate Cooling If there is a cooling problem check for the following m Blower not working properly Faulty shutters Verify that all of the empty slots in the mainframe are closed when no modules are installed If necessary replace the shutters m Verify that the instrument has adequate clearance near the ventilation holes around the instrument m Ifthe in
125. ory may not be configured correctly or the extended memory is defective at HEX address nnnn Action to be taken In BIOS Setup enter the correct date and time Verify the floppy disk drive is configured correctly in the CMOS setup Verify that the floppy disk drive cable is connected on the floppy disk drive and the adapter board Verify that the extended memory is configured correctly in the CMOS setup Exchange the SO DIMMs if one of the SO DIMMs are defective the error address should change Failing Bits The RAM address mapped to HEX nnnn Exchange the SO DIMMs if one nnnn in the system shadow or extended of the SO DIMMs are defective memory has failed the error address should change A 1 in the map indicates a failed bit Fixed Disk 0 The hard disk drive may not be defined Verify the hard disk drive is Failure correctly in the CMOS setup configured correctly in the CMOS or setup Fixed Disk ul The hard disk drive may not be connected Verify that the hard disk drive Failure correctly The hard disk drive may be cable is connected on the hard defective The replaceable hard disk drive may not be installed disk drive Verify that the replaceable hard disk drive is installed Incorrect Drive A Type run Setup The floppy disk drive may not be defined correctly in the CMOS setup Verify the floppy disk drive is configured correctly in the CMOS setup TLA721 Benchtop amp
126. ou may want to refer to this illustration while reading the following text The primary expansion module located in the primary benchtop mainframe or portable mainframe is connected to the expansion module located in second expansion mainframe by routing signals through three expansion cables The expansion module both receives and drives the bus signals in both mainframes The expansion modules are connected together by two TTL cables and one ECL cable Slot 0 Interface The MODID register is enabled only when the expansion module is installed in slot O of the expansion mainframe During power up the value of the MODIDO signal is sampled If the signal on MODIDO is low the expansion module is determined to be installed in slot 0 If the signal on MODIDO is high the expansion module is determined to be installed in slot 1 12 System Clock The SYSCLK system clock is buffered and transmitted to the expansion mainframe from the benchtop mainframe Slot 0 Interface The MODID register is enabled only when the expansion module is installed in slot O of the expansion mainframe During power up the value of the MODIDO signal is sampled If the signal on MODIDO is low the expansion module is determined to be installed in slot 0 If the signal on MODIDO is high the expansion module is determined to be installed in slot 1 12 System Clock The SYSCLK system clock is buffered and transmitted to the expansion mainframe from the benchtop mainframe
127. pection and cleaning proce dures Inspect the outside of the instrument for damage wear and missing parts Use Table 6 1 as a guide Modules that appear to have been dropped or otherwise abused should be checked thoroughly to verify correct operation and perfor mance Immediately repair defects that could cause personal injury or lead to further damage to the benchtop controller expansion module or the mainframes that the module plug into TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Maintenance Table 6 1 External inspection check list Item Front panel and side cover Front panel connectors Rear connectors Accessories Inspect for Cracks scratches deformations missing or damaged retainer screws or ejector handles Broken shells cracked insulation and deformed contacts Dirt in connectors Cracked or broken shells dam aged or missing contacts Dirt in connectors Missing items or parts of items bent pins broken or frayed cables and damaged connectors Repair action Replace defective or missing parts Replace defective parts Clear dirt out of connectors Replace defective parts Clear dirt out of connectors Replace damaged or missing parts frayed cables A CAUTION To prevent damage to electrical components from moisture during external cleaning use only enough liquid to dampen the cloth or applicator Exterior Cleaning Procedure A I
128. periods via real time gating Maximum input voltage 0 to 5 V peak System trigger output TTL compatible output via front panel mounted SMB connectors benchtop controller Source selection System trigger TTLTRG7 Source mode Active true low falling edge latched Active period Outputs system trigger state during valid acquisition period resets system trigger output to false state between valid acquisitions via software Output levels VoH VoL 50 Q back terminated TTL compatible output 24 V into open circuit gt 2 V into 50 2 to ground lt 0 7 V sinking 10 ma Output protection Short circuit protected to ground External signal output TTL compatible outputs via front panel mounted SMB connectors benchtop controller Source selection Signal 1 2 ECLTRGO 1 Signal 3 4 TTLTRGO 1 10 MHz clock TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 7 Specifications Table 1 4 External signal interface Cont Characteristic Description Output modes User definable Level sensitive Active true low or active true high Output levels 50 Q back terminated TTL output Vo gt 4 V into open circuit 2 V into 50 Q to ground VoL lt 0 7 V sinking 10 ma Output bandwidth Signal 1 2 ECLTRGO 1 50 MHz square wave minimum Signal 3 4 TTLTRGO 1 10 MHz square wave minimum Active period Outputs signals during valid acquisition periods resets signals to false
129. plane Installation Install the EMI DIN shield by reversing the removal procedure Polarization hole N OOOQOOOOOOOOOOOOOOOOOOOOOOOOOOOOO X SSODDODODO FOIA JOO Y Screws 2 Ea Backplane EM gt DIN shield y PODO0DO0O0OOOODO OOOO OOOO OOO ODOOODOODOO OOOOOOOQOOOOOOOOOOOOOOOOOOOOOOOOO X OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO OOOQOOOOOOOOOOOOOOOOOOOOOOOOOOOOO DOOR DTT DLV TV LVL TIT TT TLL LT LTT N N SR 888 Figure 6 11 Removing the backplane EMI DIN shields TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 19 Mainframe Removal and Installation Procedures Backplane Removal To remove the backplane from the mainframe complete the following steps 1 Follow the instructions on page 6 7 to remove the blower assembly from the mainframe 2 Follow the instructions on page 6 10 to remove the enhanced monitor board from the mainframe 3 Follow the instructions on page 6 12 to remove the power supply from the mainframe 4 Follow the instructions on page 6 13 to remove the cover from the mainframe 5 Refer to Figure 6 12 and disconnect the ribbon cable on the right side of the backplane 6 Note the location of the power switch cable at J22 or from J23 at the top of the backplane and disconnect the cable NOTE If the front panel switch is connected to the backpl
130. plication module Table 6 11 Power on diagnostic tests Component Group amp test Power on Extended TLA Mainframe VTC Reset Test VTC Walk1 Test ADG Register Test ADG VXI Addr Test ADG VXI Data Test TLA System Interrupt Lines NADAR Trigger Lines The extended diagnostics provide more in depth information than the power on diagnostics The extended diagnostics test modules in the mainframe and in the expansion mainframe You can use the extended diagnostics to isolate problems to a single module or to a mainframe To display the extended diagnostics select the Extended tab in the Calibration and Diagnostics property page Disconnect probes attached to module before starting the diagnostics TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting You can run individual tests loop on tests or run until a failure occurs by selecting the options at the right side of the property page When you first display the extended diagnostics property page some of the test results may display an Unknown test result This indicates that parts of the tests did not get checked by the power on tests When you click the Run button on the property page the extended diagnostics run and the unknown state should change to either Pass or Fail Table 6 11 indicates the system tests that are checked in more detail with the extended diagnostics For more information on the extended diagnostics refer to t
131. ptions The following product options are available for the TLA721 Benchtop Main frame m Option 1A add 10 100 LAN CardBus 32 bit PC card 10BaseT m Option 1C add View cable m Option 1K add LACART logic analyzer cart m Option 3M add 18 inch LCD flat panel monitor m Option 4M add 21 inch LCD flat panel monitor Power Cord Options The following power cord options are available for the TLA721 Benchtop Mainframes m Option Al Universal European 230 V m Option A2 United Kingdom 230 V m Option A3 Australian 230 V m Option A4 North American 230 V m Option A5 Swiss 230 V m Option 99 no power cord The following power cord options are available for the TLA7XM Expansion Mainframes m Option Al Universal European 230 V m Option A2 United Kingdom 230 V m Option A3 Australian 230 V m Option A4 North American 230 V m Option A5 Swiss 230 V m Option 99 no power cord 7 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AAA AD AA Electrical Parts List Refer to the Mechanical Parts List chapter for a complete listing and description of replaceable parts for the TLA721 Benchtop Mainframe and the TLA7XM Expansion mainframe TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 8 1 Electrical Parts List 8 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual AAA A Diagrams This chapter contains the interconnection and block diagrams for the benchtop mainfra
132. r board 3 Install the hard disk drive interface board in the chassis making sure that the CD ROM drive fits into the opening at the front of the chassis 4 Install the four flat head T 10 screws on the top and bottom of the chassis tighten the screws to 4 in Ibs 6 32 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures 5 Connect the two ribbon cables from the processor to the hard disk drive interface board 6 Install the four flat head T 10 screws on the front of the chassis tighten the screws to 4 in Ibs 7 Secure the front panel in place by lining up the five studs on front panel with the holes on the front of the chassis Install and tighten the five 4 inch nuts on the back of the front panel to 4 in Ibs 8 Using the 3 6 nut driver install the four standoffs to the two video port connectors Tighten the standoffs to 3 in Ibs 9 Install the two screws on the printer port connector using a small flat blade screw driver 10 Install the left side cover and the rear cover 11 Install the ejector handles TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 33 Benchtop Controller Removal and Installation Procedures Fixed Hard Drive 6 34 Removal Installation You must remove the hard disk drive interface board so that you can access the small screws on the hard disk drive bracket You will need a screwdriver with
133. r of this manual Table 4 1 on page 4 3 shows the required equipment list Always warm up the equipment for 30 minutes before beginning the procedures TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 4 1 Performance Verification Procedures Determine equipment to certify Go to appropriate procedure s Gather required test equipment Photocopy the required Calibration Data Report s Enter product model and serial number s on the Calibration Data Report s Is it OK Use with customer to Tektronix supplied remove reconnect probes probes from System Under Test Select procedure Configure customer s mainframe and modules as described in procedure Set up test equipment Allow all mainframes modules and equipment to warm up 30 minutes Perform procedure Repair or adjust Are equipment as measurements required within tolerance Enter measurements on the appropriate Calibration Data Report Create necessary Calibration Certificate Are all certifications complete Figure 4 1 Calibration certification procedure flow chart 4 2 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Performance Verification Procedures Table 4 1 Test equipment Item number and description 1 Benchtop Mainframe 2 Expansion Mainframe 3 Frequency counter 4 Miniature probe to square pi
134. ration with no filters for the power supply and 13 module slots Rear panel switch selects between full speed and variable speed Slot exhaust temperature and ambient air temperature are monitored such that a constant delta temperature is maintained Installing a module activates the cooling for the corresponding occupied slots by opening the air flow shutter mechanism Optimizes cooling efficiency by only applying airflow to modules that are installed Positive pressurization system all chambers including modules P2 to P1 bottom of module to top of module Lower fan pack rear face and bottom Top sides and top rear back Top rear back exhaust redirected to the sides by the fan pack housing to minimize reentry into the intake 100 mV C with 0 C corresponding to 0 V output 10 C to 90 C delta temperature lt 50 C 2 in 51 mm rear top and sides RPM 20 x Tach frequency or 10 Pulse Width where Pulse Width is the positive width of the TACH1 fan output signal measured in seconds 650 to 2250 RPM TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Table 1 9 Atmospheric characteristics Characteristic Temperature Operating and nonoperating Relative Humidity Operating and nonoperating Altitude Operating and nonoperating Description Operating no media in floppy disk drive 5 C to 50 C 15 C hr maximum gradient non condensing derated 1 C per 1000
135. re beginning on page 6 30 Locate the SO DIMM on the processor board see Figure 6 22 Remove the SO DIMM by depressing the tabs on each side and lift it out of the socket To replace memory complete the following steps CAUTION Always use SO DIMM modules with gold plated contacts Using SO DIMM modules that do not have gold plated contacts will result in eventual failure of the SO DIMM module Populate SO DIMM 0 first Align the memory SO DIMM with the socket Gently push the SO DIMM into the socket The locking tabs on each side will engage Reinstall the hard disk drive interface board the left side and rear covers and then the ejector handles TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures Floppy Disk Drive The floppy disk drive is located on the interface board You must remove the processor board and the interface board to access the floppy disk drive You will need a T 9 and a T 10 Torx tip driver to complete the following procedures NOTE The internal boards are not individually replaceable If faults are isolated to the boards the entire benchtop controller must be returned to a Tektronix Service Center for repair Removal To remove the front panel hardware follow these steps 1 Complete the instructions for removing the front panel and the hard disk drive interface board found on page 6 30 Disconnect the COM A co
136. rews Removal The card guides at the top and bottom of the mainframe are very similar The main difference is that the bottom guides include the spring loaded shutters to redirect air into the mainframe The procedure for removing both guides is identical Refer to Figure 6 8 while performing the following steps 1 Use a small flat blade screwdriver to pry up the tab of the card guide at the front of the mainframe being careful not to damage the card guide or the mainframe Gently pull the card guide forward until it pops out of place Remove the card guide Installation Refer to Figure 6 8 while completing the following steps NOTE The bottom card guides are replaced as a unit These guides are not intended to be disassembled 1 2 6 14 Slide the card guide towards the rear of the mainframe and allow the front of the card guide to snap into place Test the card guides in the mainframe and verify that they do not move TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Installing card guides Slide the card guides toward the rear of the mainframe allow the front of the card guide to snap into place TAS AS ANAS AS ESS YR ALS REEBREREREES EE D TAN ARAN Ee ck FERERAEU TARA WAR A NANNY NA A PARRA TARA SAAN ANANA A Removing card guides Gently pull the card guide forward until it pops out of
137. rmine if the expansion mainframe is recognized by the TLA system Replace the Expansion Another way to isolate problems would be to trick the expansion mainframe Module with a Benchtop into thinking it was a benchtop mainframe You can do this by removing the Controller Module expansion module from the Slot 0 position in the expansion mainframe and replacing it with a known good benchtop controller module from your benchtop mainframe Because the expansion mainframe is set up to power on from a signal from the expansion module which is no longer present you will have to press and hold the power switch on the expansion mainframe for three to four seconds If the expansion mainframe powers on correctly the problem can be isolated to either the expansion modules or to the expansion cables Adjustments after Repair There are no adjustment procedures required after replacing any part of the benchtop controller expansion module or mainframes You should however power on the instrument and verify that all diagnostics pass There may be adjustment procedures required for some of the installed modules Check the appropriate service manual for additional information 6 72 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual SS ae Repackaging Instructions This section contains the information needed to repackage the instrument for shipment or storage Packaging When repacking the instrument for shipment use the origi
138. ronics 24X minimum CD ROM drive residing on an EIDE interface Continually subject to change due to the fast moving PC component environment CD DA CE ROM Mode 1 Mode 2 CD ROM XA Mode 2 Form 1 Form 2 Photo CD single multi session Enhanced CD IDE ATAPI 130 ms 16 7 MB per second maximum 1290 3000 KB per second Standard PC graphics accelerator technology bitBLT based residing on the Peripheral Component Interconnect PCI bus capable of supporting external color VGA SVGA or XGA monitors Hardware automatically senses a missing flat panel LCD in the benchtop mainframe and defaults to the external SVGA monitor output during the BIOS boot sequence no internal TFT LCD display exists This is indicated by a single beep during the boot sequence Dynamic Display Configuration 1 DDC1 support for the external monitor is provided 4 MB SDRAM is on board the video controller there is no external video memory Display drive One VGA SVGA or XGA compatible analog output port Display size User selected via Microsoft Windows Plug and Play support for DDC1 and DDC2 A and B Primary with Silicon Motion Chip Resolution Pixels Colors Refresh Rates 640 x 480 256 64 K 16 8 M 60 75 85 800 x 600 256 64 K 16 8 M 60 75 85 1024 x768 256 64 K 16 8 M 60 75 85 1280 x 1024 256 64 K 16 8 M 60 1600 x 600 256 64 K 60 1600 x 1200 256 64 K 60 Secondary with 815E Chip set Resolution Pixels Colors Refresh Rates 640 x 480 256
139. ror code explanation Action to be taken System RAM The system RAM at HEX address nnnn Exchange the SO DIMMs Failed at offset may be defective fess as oe If one of the SO DIMMs are defective the error address should change System timer The BIOS failed the timer test The Try rebooting the system first If error controller board may be defective this message keeps reappearing the benchtop controller is defec tive Replace the benchtop controller TLA Startup Sequence The following information is intended to provide troubleshooting hints in case the logic analyzer fails to complete the startup sequence You may want to refer to Figure 6 30 on page 6 66 while reading the following paragraphs At power on the mainframe software starts the mainframe and module kernel tests If the mainframe passes the kernel tests it attempts to boot the Windows operating system If the mainframe fails the kernel tests it displays the error code s beeps and terminates the startup sequence The Windows operating system starts the resource manager The resource manager performs the following tasks m Mainframe power on self tests m Verifies the power on self test status m Inhibits any failed modules m Records the power on self test failures m Determines the logic analyzer configuration m Executes the system controller power on diagnostics After completing all of the above tasks the logic analyzer starts the Tektro
140. rt 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 4 Nothing capable of generating or holding a static charge should be allowed on the work station surface 5 Handle circuit boards by the edges when possible 6 Do not slide the circuit boards over any surface 7 Avoid handling circuit boards in areas that have a floor or work surface covering capable of generating a static charge Inspection and Cleaning Exterior Inspection The instrument 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 for physical damage incurred during transit Retain the 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 Periodic cleaning reduces instrument breakdown and increases reliability Clean the instrument as needed based on your operating environment These procedures equally to the mainframes benchtop controller and expansion modules You will have to remove the benchtop controller and the expansion module from the mainframes to complete the ins
141. rtment or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA www tektronix com 1 800 833 9200 select option 1 1 800 833 9200 select option 2 Email techsupport tektronix com 1 800 833 9200 select option 3 1 503 627 2400 6 00 a m 5 00 p m Pacific time This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual xix Introduction XX TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Product Description Benchtop Mainframe This chapter provides a brief product description and lists the warranted characteristics nominal traits and typical characteristics of the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe Both the benchtop mainframe and the expansion mainframes are basically identical with the exception of the controllers The benchtop mainframe includes a PC controller that controls the entire instrument The expansion mainframe includes an expansion module that expands the capabilities of a benchtop mainframe or a TLA715 Portable Mainframe Each mainframe can function as a logic analyzer a digital storage oscilloscope or a pattern generator depending on the module cards installed in its slots The bench
142. s SMPL 385 ns SMPL DSO probe tip to external system trigger out 68 ns 104 ns DSO Probe tip to external signal out via Signal 3 43 OR function 65 ns 101 ns AND function 75 ns 111 ns DSO probe tip to external signal out via Signal 1 23 6 normal function 68 ns 89 ns inverted logic on backplane 71 ns 92 ns Inter module latencies Typical LA to DSO inter module system trigger TTLTRG8 1 358 ns SMPL 394 ns SMPL LA Trigger All Modules DSO Wait for System Trigger LA to LA inter module system trigger TTLTRG7 1 66 ns SMPL 102 ns SMPL LA2 Trigger All Modules LA1 Do Nothing LA to DSO inter module ARM TTLTRG2 4 5 6 360 ns SMPL 396 ns SMPL LA to LA inter module ARM TTLTRG2 4 5 6 15 108 ns SMPL Clk 144 ns SMPL Clk LA to LA inter module via Signal 1 2 ECLTRGO 1 15 6 116 ns SMPL Clk 137 ns SMPL Clk LA2 Trigger then set Signal 2 LA1 If Signal 2 is true trigger LA to LA inter module via Signal 3 4 TTLTRGO 1 15 116 ns SMPL Clk 152 ns SMPL Clk LA2 Trigger then set Signal 3 LA1 If Signal 3 is true trigger TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 9 Specifications Table 1 5 Backplane latencies Cont Characteristic Benchtop mainframe Expansion mainframe DSO to LA inter module System Trigger TTLTRG7 240 ns 204 ns DSO Trigger all Modules LA Do Nothing DSO to DSO inter module System Trigger TTLTRG7 4 50 ns 86 ns DSO1 Trigger all
143. sed empty slots in your mainframe you may install the empty slot Panel Fillers Install either the single wide or double wide fillers that came with your mainframe Refer to Figure 6 1 for information on installing the slot fillers CAUTION To avoid damage caused by heat use only Tektronix front panels N otherwise the shutters may activate effectively robbing airflow from installed modules Installing the fillers provides improved cooling for installed modules improved EMI shielding and more accurate air temperature sensing to control the fan speeds m 0000 N Y N x EN MN A Single panel fillers gt S PR OO o O N IN Double panel fillers gt S Figure 6 1 Installing the empty slot panel fillers 6 6 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures Blower Assembly You will need a Phillips 1 screwdriver and an Allen wrench to complete these procedures Removal To remove the blower assembly refer to Figures 6 2 6 3 and Figure 6 4 while performing the following steps 1 From the back of the chassis loosen the five captive screws including the safety ground refer to Figure 6 2 for the screw locations Loosen the four 8 32 hex screws see Figure 6 4 on page 6 9 under the mainframe so that you can easily remove the blower assembly Remove the cable cover Unp
144. sed to connect more than one instrument to a common ground point The fan speed switch controls the speed of the fan blower When the switch is set to the VAR variable position the mainframe automatically controls the speed of the blower depending on the air temperature and amount of cooling required by the modules When the switch is in the FULL position the blower operates at full speed The 25 pin Sub D connector lets you monitor the power supply voltages fan speed and the maximum slot temperature rise within the mainframe The connector also provides remote on and off capability and access to the SYS RESET and ACFAIL signals Figure 2 4 shows the location of the Passive Monitor Connector Table 2 1 lists the pin out of the Passive Monitor Connector and its function TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information N 45VM 12VM Oo 12VM 24vM er O 24vM 5 2vM LI se 3 Oo 2vm GND D O0 onst GND ES QO sve GND Oo 12VC GND EN S O svB 5VB All EN SO GND GND O N o O SYSRS ACFAIL ams ON ollar GND TACHI RSV RE y ss E gt MSD 1so Pin 25 O O ACCESSED HA 0O Figure 2 4 Passive monitor connector TLA721 Benchtop amp TLA7XM Expansion Mainframe Service
145. signments 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 P1284 C for pin connection definitions for other modes TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 2 21 Operating Information Expansion Module Controls and Connectors The expansion module is a control module that is an integral part of the expansion mainframe The expansion module must be located in slot O of the expansion mainframe The front panel of the expansion module has three connectors two of the connectors handle TTL signals the other connector handles ECL signals The cables for the three connectors connect to another expansion module in the host benchtop mainframe or portable mainframe Figure 2 10 Front view of the benchtop controller 2 22 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Operating System and Application Interface Online Help System Window Setup Window Trigger Window Listing Window The TLA721 Benchtop Mainframe comes with the Microsoft Windows 2000 operating system factory installed Operations and capabilities when running o
146. so supports automatic power factor correction and over voltage current and thermal protection mechanisms TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 3 5 Theory of Operation Backplane Enhanced Monitor Board 3 6 A Blower The power supply connects to the backplane at J1 and J2 through the power supply interface board The backplane A4 provides all the connections to module slots 0 through 12 in the chassis It also has connections to all other circuit boards and modules in the chassis The front panel On Standby DC switch connects to one of two connectors at the top of the backplane When the switch is connected to J22 the switch controls the power in the chassis When the switch is connected to J23 the power on functions are controlled by an external source through the 25 pin connector on the enhanced monitor board Although the switch still illuminates when power is applied to the chassis the on off function of the switch is disabled A 34 wide ribbon cable at 0J4 on the backplane connects to J16 on the tempera ture sense board Connectors 0J1 0J2 and OP3 carry instrument monitoring information from the backplane to the enhanced monitor board The enhanced monitor board A3 collects the monitoring information from the power supply blower and temperature sense board and passes the information to the 25 pin D connector The enhanced monitor board connects directly to the backplane at 0J3 OP1
147. state between valid acquisitions Outputs 10 MHz clock continuously Output protection Short circuit protected to ground 1 The Input Bandwidth specification only applies to signals to the modules it does not apply to signals applied to the External Signal Input and sent back to the External Signal Output 2 The Output Bandwidth specification only applies to signals from the modules it does not apply to signals applied to the External Signal Input and sent back to the External Signal Output 1 8 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications Table 1 5 Backplane latencies Characteristic System trigger and external signal input latencies Typical Benchtop mainframe Expansion mainframe External system trigger input to LA probe tip 266 ns 230 ns External signal input to LA probe tip via Signal 3 4 212 ns Clk 176 ns Clk External signal input to LA probe tip via Signal 1 25 6 208 ns Clk 187 ns Clk External system trigger input to DSO probe tipt 25 ns 11 ns System trigger and external signal output latencies Typical LA probe tip to external system trigger out 376 ns SMPL 412 ns SMPL LA probe tip to external signal out via Signal 3 43 OR function 366 ns SMPL 402 ns SMPL AND function 379 ns SMPL 415 ns SMPL LA probe tip to external signal out via Signal 1 236 normal function 364 ns SMPL 385 ns SMPL inverted logic on backplane 364 n
148. stments for the instrument For adjustment information on the product modules refer to the appropriate service module manual m Maintenance contains information and procedures for doing preventative and corrective maintenance on the instrument Included are instructions for cleaning for removal and installation of replaceable parts and for trouble shooting product failures Instructions for shipping the instrument are included in this chapter m Options contains information on factory installed options and accessories that may be purchased for your instrument TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual xiii Preface Manual Conventions Mainframes Modules Replaceable Parts Safety Related Manuals xiv m Diagrams contains block diagrams of the instrument and interconnection diagrams useful for isolating failures in the instrument m Mechanical Parts List includes tables of all replaceable parts for the instrument along with the Tektronix part number This manual uses certain conventions that you should become familiar with before attempting service This manual covers at least two different kinds of mainframes The benchtop mainframe consists of a mainframe with a benchtop controller module Other slots are available for installing logic analyzer LA modules digitizing oscilloscope DSO modules or pattern generator Patgen modules The expansion mainframe consists of a mainframe with an expa
149. strument has shut down due to overheating and you have exhausted all other troubleshooting suggestions you may have a faulty controller replace the controller module TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 69 Troubleshooting Remove all modules except the controller Turn on the mainframe power switch Plug in cord at both ends Power cord connected to mainframe and power source Yes Yes No Blower No No operates Blower operates Front panel LED on No Yes Yes No 5VM voltage OK No Check for failure at power supply Supply voltages OK Replace rear panel Rear panel fuse closed fuse Yes Yes Yes Check for failure at blower Check for failure at front panel LED LED cable from LED to J22 on backplane board or series resistor R60 on enhanced monitor board 49 9 Q Fan control board blower cable or blower Check for failure at power supply backplane board blown fuse or bad board Supply No voltages OK Power off mainframe Mainframe OK Figure 6 32 Mainframe troubleshooting tree 6 70 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual Troubleshooting Troubleshoot the Expansion Mainframe Check the Power on Sequence Substitute a Known Good Expansion Module Because the expansion mainframe adds a
150. sts that apply to the mainframe and benchtop controller are listed here For information on diagnostics that are run on individual product modules refer to the appropriate service manual m Power on BIOS test m Power on diagnostics m Extended diagnostics TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 59 Troubleshooting 6 60 Power on BIOS Test Power on Diagnostics Extended Diagnostics m Checklt Utilities m TLA Mainframe diagnostics On power up the instrument automatically runs the power on BIOS test If the power on BIOS test detects a problem BIOS error s will be displayed The BIOS error messages are found in Table 6 12 on page 6 62 The power on diagnostics check the basic functionality of the instrument at every power on If any failures occur at power on the screen displays the calibration and diagnostics property page Table 6 11 lists a subset of the power on tests Use the results of the tests to help you isolate problems You can also select the Calibration and Diagnostics property page from the System menu of the logic analyzer application 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 Mainframe diagnostics provide more extensive tests than the power on diagnostics The interrupt lines and trigger lines are tested for each installed ap
151. t 3 Install the four 3 16 inch flat blade screws to secure the fixed hard disk drive to the brackets as shown in Figure 6 21 tighten the screws to 1 in Ibs 4 Tighten the fixed hard disk drive bracket T 10 Torx drive screws to secure the fixed hard disk drive brackets to the interface board tighten the screws to 3 in Ibs TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Benchtop Controller Removal and Installation Procedures 5 Install the hard disk drive interface board and the front panel 6 Install the covers and the injector handles CD ROM CD ROM Bracket Screws 4 Fixed hard disk drive Sik Fess lt lt cable 0 y Fixed hard disk drive brackets Figure 6 21 Removing and installing the fixed hard disk drive and CD ROM drive TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 35 Benchtop Controller Removal and Installation Procedures CD ROM Drive 6 36 Removal Installation You must remove the hard disk drive interface board so that you can access the CD ROM drive You will need a screwdriver with a T 10 Torx tip and a 0 Phillips head screwdriver to remove the CD ROM drive The CD ROM drive is located on the hard drive interface board Complete the following steps to remove the CD ROM drive 1 Remove the left and rear covers by completing the Cover Removal proce dures on page 6 29 2 Remove the injector handles
152. ta LA to DSO normal data utilizing an internal clock34 LA to DSO normal data utilizing an external clock3 5 DSO to DSO Enhanced monitor Voltage readout Voltage readout accuracy Typical Current readout Current readout accuracy Typical Rear panel connector levels Description 13 13 10 MHz 100 PPM 2ns 1 LA sample 0 5 ns 2 ns 3 ns 1 LA sample 2 ns 3 ns 3ns 24 V 24 V 12 V 12V 5 V 5 2 V 2 V 5 Vstandby if present and 5 VExterna Via RS232 3 maximum Readout of the present current on the 24 V 24 V 12 V 12 V 5 V 2 V 5 2 V rails via RS232 5 of maximum power supply Imp 25 VDC maximum 1 A maximum per pin Provides access for RS 232 host to enhanced monitor 1 Includes typical jitter slot to slot skew and probe to probe variations to provide a typical number for the measure ment Assumes standard accessory probes are utilized 2 For time intervals longer than 1 us between modules add 0 01 of the difference between the absolute time measurements to the relative time correlation error to account for the inaccuracy of the CLK10 source 3 The DSO module time correlation is measured at the maximum sample rate on one channel only 4 Sample represents the time from the event to the next valid data sample at the probe tip of the LA In the normal Internal clock mode this represents the delta time to the next sample clock 5 On this measurement
153. ta PCMCIA PC Cards 2 TEST Indicator l CD ROM Drive Floppy Disk Drive gt foo O rn O Secondary Video gt Q O Ko COM Port oll 210 Primary Video gt is Replaceable Hard Disk Drive Is O SYSTEM TRIG IN O SYSTEM TRIG OUT Mouse gt 2 __ _ EXTERNAL SIG IN Keyboard r gt E O EXTERNAL SIG OUT o a Hol y Jaf USB Ports 2 gt Figure 2 9 Front view of the benchtop controller 2 16 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Operating Information Mouse Port Keyboard Port TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual SLEEP Indicator Indicates that the benchtop controller is in sleep mode RUN Indicator Indicates that the memory is accessing data SYSTEM FAIL Indicator Indicates a SYSFAIL condition exists on the communica tions bus TEST Indicator Indicates that the benchtop controller is executing a power on self test POST diagnostic test sequence 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 compliant three but ton wheel mouse Table 2 6 lists the pin assignments Table 2 6 Mouse port pin assignments
154. te the mainframe and other modules as possible sources of the failure Substitute a Good Module If you have available a known good controller perform the following procedure 1 Remove the suspect benchtop controller from the mainframe The benchtop controller is a slot zero device First verify that the benchtop controller is installed in Slot 0 of the mainframe 2 Power on the mainframe and check for normal operation 3 Ifthe failure symptoms are still present with the known good benchtop controller installed the problem is most likely in the benchtop mainframe not in the controller 4 If your benchtop chassis operates normally with the known good benchtop controller installed then the suspect controller is at fault refer to the Troubleshoot the Benchtop Controller Module on page 6 66 for more information Check the Benchtop If you do not have a known good benchtop controller perform the following Mainframe procedure to make sure the benchtop mainframe is not the source of the failure m Disconnect any attached expansion mainframes m Remove all plug in modules from the mainframe except the benchtop controller m Power on the mainframe and check for normal operation If the instrument powers on then the problem is in one of the modules that you removed earlier the expansion mainframe or cables connecting the expansion mainframe Diagnostics The following diagnostics are available for the logic analyzer Only those te
155. tive screw fan housing 8 32 Captive A screw Enhance monitor 8 32 Captive screw fan housing Figure 6 2 Location of blower assembly screws TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Mainframe Removal and Installation Procedures A A Power supply 4 A rece l Ae tee a Fr ia IIA f EEE o ce r er er wn er chet eef Pe rer rere A peer r y Cect o cert perecer 0 KD fer peer g br Fr Al 0 7 a 0 o 0 ean o gt i 0 O N i JO o lo gt Cable cover 6 Fan cable Blower assembly Figure 6 3 Removing the blower assembly Blower assembly SS SSE SSE Uy Sf Cable tie lt oN y Screws 4 8 Screws 6 Screws an Figure 6 4 Removing the blower TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 9 Mainframe Removal and Installation Procedures Removing the Enhanced Monitor Board Removal To remove the enhanced monitor board complete the following steps 1 Refer to Figure 6 3 and unscrew the captive screw that attaches the cable cover Remove the cable cover and set it aside q Unplug the blower cable from the connector labeled 1 BLOWER Unscrew the two captive screws that attach the monitor board to the mainframe 4 Slide the enhanced monitor board out of the mainframe as shown in Figure 6 5 coe cocker ELELE NA Feier gt pper ge Pa
156. top mainframe comprises of a benchtop chassis and the benchtop controller The benchtop controller is a Pentium III based three wide C size embedded Slot 0 Controller that incorporates the same controller as the TLA715 Portable Mainframe The benchtop chassis is based on the high power 13 slot VX1420A Mainframe without a readout and with additional labels The benchtop mainframe has the following key features m Microsoft Windows operating system m Ten slots excluding three slots for the benchtop controller for compatibility with new and existing LA DSO and patgen modules m Personal computer PC based processor architecture that provides a cost effective high performance system controller with automatic PC connec tivity to a multitude off the shelf devices such as Ethernet modem printers via standard PC I O ports and two PC card CardBus slots m High performance PC based display system capable of driving large high resolution external monitors in multiple user selected formats via an external SVGA port m Easy configuration of modules between slots and mainframes through the automatic system configuration support of the resource manager and application software m Precision clock trigger line and event signaling between the mainframe and modules for real time triggering sequencing and correlation of events TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 1 1 Specifications Expansion Mainfra
157. troller such as memory I O ports disk drives keyboard and mouse To run the Checklt Utilities you must have either a working keyboard a pointing device mouse and Windows must be running Before starting the utilities install a test floppy disk in the floppy disk drive and a test CD in the CD ROM drive Refer to the Checklt Utilities online help for additional information on running the utilities TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 61 Troubleshooting BIOS Error Messages 6 62 The instrument runs a BIOS test on when you first power on the instrument If the BIOS test encounters any problem the program displays the error on the external monitor Table 6 12 lists the error codes an explanation of each error code and actions that can be taken Refer to the Tektronix Logic Analyzer Family User Manual for information on BIOS setup parameters and feature settings Table 6 12 BIOS error codes and explanations Error code Check Date and Time Set tings Diskette drive A error Extended RAM Failed at offset nnnn Error code explanation The date and time settings have been reset to their factory default values The BIOS test recognizes the presence of the floppy disk drive but the floppy disk drive fails the POST test The floppy disk drive may be defined incorrectly in the CMOS setup The floppy disk drive may not be con nected correctly on the adapter board The extended mem
158. uipment for measurement control and laboratory use IEC 61000 4 2 Electrostatic discharge immunity Performance criterion B IEC 61000 4 3 RF electromagnetic field immunity Performance criterion A IEC 61000 4 4 Electrical fast transient burst immunity Performance criterion B IEC 61000 4 5 Power line surge immunity Performance criterion B IEC 61000 4 6 Conducted RF immunity Performance criterion A IEC 61000 4 11 Voltage dips and interruptions immunity Performance criterion B EN 61000 3 2 AC power line harmonic emissions Australia New Zealand Declaration of Conformity EMC Complies with EMC provision of Radiocommunications Act per the following standard s AS NZS 2064 1 2 Industrial Scientific and Medical Equipment 1992 EC Declaration of Conformity Low Voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities Low Voltage Directive 73 23 EEC amended by 93 68 EEC EN 61010 1 A2 1995 Safety requirements for electrical equipment for measurement control and laboratory use Canadian Certification CAN CSA C22 2 No 1010 1 Safety requirements for electrical equipment for measurement control and laboratory use 1 Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object 1 16 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Specifications
159. uments that meet or exceed the minimum requirements specified Table 4 3 Performance verification procedures Parameter Procedure Power supply voltages Voltage level check at the 25 pin connector System clock CLK 10 10 MHz system clock test 1 Certifiable parameter Use a digital voltmeter to check the voltages on the pins of the 25 pin connector and compare the results against the range listed in Table 4 4 The connector is located on the right rear panel of the mainframe see Figure 4 2 Equipment Digital multimeter with test leads item 6 required Two 0 025 inch square pins item 5 Two miniature probe to square pin adapters item 4 Prerequisites Warm up time 30 minutes CAUTION To prevent damaging the 25 pin connector use care when probing the connector with the square pins TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Performance Verification Procedures Pin 1 NOT RS232C i P COMPATIBLE 5VM O H 12VM 12VM 00 24 M 24VM O 7 5 2VM 2VM 5 E GND ON ST 5 GND 5VC E an En 2o 5VB O GND 5 GND TACH4 SYSRS o2 ACFAIL AT 99 GND TACH3 TACHI oF RSV mi al Pin 25 Figure 4 2 Benchtop and expansion mainframe 25 pin rear panel connector 1 Connect the reference lead of the digital voltmeter to
160. un Checklt Utilities follow these instructions 1 Quit the logic analyzer application 2 Click the Windows Start button 3 Select Programs Checklt Utilities 4 Run the tests If necessary refer to the Checklt Utilities online help for information on running the software and the individual tests The system clock of the controller is checked for accuracy The instrument is certifiable if this parameter meets specifications This procedure is described under Checking the 10 MHz System Clock CLK10 on page 4 8 Record the results in a copy of the Calibration Data Report at the end of this chapter TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 4 5 Performance Verification Procedures Expansion Mainframe There are no certifiable parameters for the TLA7XM Expansion Mainframe Performance Verification Procedures Tests Performed Checking Power Supply Voltages A 4 6 This section contains procedures to verify that the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe perform as warranted Verify instru ment performance whenever the accuracy or function of your instrument is in question Do the following tests listed in Table 4 3 to verify the performance of the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe You will need some of the equipment shown in Table 4 1 on page 4 3 to complete the performance verification procedures If you substitute equipment always choose instr
161. ve the cover following the instructions on page 6 29 Remove the six connector mounting standoffs 2 3 Remove the screws from the circuit board as shown in Figure 6 28 4 Remove the circuit board Remove screws 7 Remove screws 6 Figure 6 28 Removing the circuit board 6 48 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Expansion Module Removal and Installation Procedures Installation Refer to Figure 6 28 and follow these instructions 1 Install the circuit board into the frame as shown in Figure 6 28 2 Install the six connector mounting standoffs 3 Install the screws into the circuit board as shown in Figure 6 28 4 Replace the cover following the instructions on page 6 47 Soldered On Components person is skilled in the servicing of through hole and surface mount technology fh CAUTION Removing soldered on components requires that a qualified service on printed circuit boards Self servicing may impact the warranty Check with your Tektronix Service Center before servicing Every reasonable precaution shall be made by the service person to eliminate damage to the circuit board None of the soldered on components are considered replaceable You should not have to replace any soldered on components Please return the entire module to your local Tektronix service center to replace any soldered on components TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 49 E
162. ving and replacing components and troubleshooting the TLA721 Benchtop Mainframe and the TLA7XM Expansion Mainframe The procedures isolate problems to a module lever rather than a component level This chapter is divided up as follows m Preventing electrostatic discharge ESD m Inspection and cleaning m Mainframe removal and replacement procedures m Benchtop controller removal and replacement procedures m Expansion module removal and replacement procedures m Troubleshooting m Repackaging instructions 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 WARNING To avoid electric shock always power off the instrument and disconnect the power cord before cleaning or servicing the instrument 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 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual 6 1 Maintenance CAUTION Many components within the instrument are susceptible to static discharge damage Service the instrument only in a static free environment Observe standard handling precautions for static sensitive devices 1 Minimize handling of static sensitive circuit boards 2 Transpo
163. xpansion 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 This manual is divided into chapters which are made up of related subordinate topics These topics can be cross referenced as sections Be sure to read the introductions to all procedures These introductions provide important information needed to do the service correctly safely and efficiently A brief description of each chapter follows m Specifications contains a product description of the instrument and tables of the characteristics and descriptions that apply to it m Operating information includes basic controls and connectors on the instrument It also provides a high level overview of the operating system and application interface Refer to the Tektronix Logic Analyzer Family User Manual for detailed information on the operating system and for installation information not found in this document m Theory of Operation contains a high level overview of the basic operation of the instrument to help you service the instrument to a module level m Performance Verification contains the performance verification and certification procedures for the instrument m Adjustments notes that there are no adju
164. xpansion Module Removal and Installation Procedures 6 50 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting WARNING Read the General Safety Summary and Service Safety Summary found at the beginning of this manual before doing this or any other procedure To prevent possible injury to service personnel or damage to electrical compo nents read Preventing ESD on page 6 1 This section contains information and procedures designed to help you isolate faults to the replaceable part level The following subsections are included Check for Common Problems beginning on page 6 52 describes common problems and suggestions that you may encounter Isolating System Problems beginning on page 6 56 describes problems that may be due to the overall system Eliminate other Problem Sources beginning on page 6 59 describes other problem sources that may indicate a faulty instrument Diagnostics beginning on page 6 59 provides an overview of the various diagnostics available to help you service the instrument BIOS Error Messages beginning on page 6 62 provides information on any BIOS error messages may appear while you service the instrument TLA Start up Sequence beginning on page 6 65 describes the start up sequence for the logic analyzer Troubleshoot the Benchtop Controller beginning on page 6 66 describes troubleshooting procedures for the benchtop controller Troubleshoot the Mainframe beginning on p
165. your local Tektronix service center Isolate problem to faulty mainframe or to faulty module Multiple diagnostic failures across modules indicate a faulty mainframe Diagnostic failures confined to an single module most likely indicate a faulty module Contact your local Tektronix service center Mainframe does not recognize accessories such as monitor printer or keyboard Check that accessories are properly connected or installed Try connecting other standard PC accessories or contact your local Tektronix service center CD ROM drive related failure Defective CD ROM drive substitute known good CD ROM drive Defective CD ROM drive cable Defective CD ROM drive board Incorrect CD ROM drive configuration in BIOS table refer to the Tektronix Logic Analyzer Family User Manual for the correct settings LA Module merge not allowed in the Tektronix Logic Analyzer application Merge cable between LA modules not installed LA modules are not compatible check the merge rules in the online help and in the Tektronix Logic Analyzer Family User Manual 6 54 TLA721 Benchtop amp TLA7XM Expansion Mainframe Service Manual Troubleshooting Table 6 9 Failure symptoms and possible causes Cont Symptom MS Windows comes up but the Tektronix Logic Analyzer application does not MS Windows comes up in Safe mode Tektronix Logic Analyzer application starts but modules do not display in System window Expansio

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TLA721 & TLA7XM Service Manual