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Troubleshooting

TLA721 Benchtop & TLA7XM Expansion Mainframe Service Manual

6- 53

Table 6- 9: Failure symptoms and possible causes

Symptom

Possible causes and recommended action

Mainframe does not power-on

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.

Expansion mainframe does not
power-on

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 0 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.

Front panel power switch light comes
on but the blower will not operate

Check for faulty blower cable.

Check for defective bower.

Power supply failure: contact your local Tektronix service center.

Monitor does not power-on

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.

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Содержание TLA7XM

Страница 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Страница 2: ...pplies 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 ...

Страница 3: ... 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...

Страница 4: ...ations 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 conne...

Страница 5: ......

Страница 6: ...tic Tables 1 2 Operating Infromation Installation 2 1 Mainframe Controls and Connectors 2 3 Benchtop Controller Controls and Connectors 2 16 Expansion Module Controls and Connectors 2 22 Operating System and Application Interface 2 23 Theory of Operation Benchtop Controller 3 1 Mainframe 3 4 Expansion Module 3 7 Performance Verification Summary Verification 4 1 Test Equipment 4 1 Functional Verifi...

Страница 7: ...erface Board 6 30 Fixed Hard Drive 6 34 CD ROM Drive 6 36 Button Battery 6 37 Main Memory 6 38 Floppy Disk Drive 6 39 Expansion Module Removal and Installation Procedures 6 45 Equipment Required 6 45 Ejector Handles 6 46 Expansion Module Cover 6 47 Expansion Module Circuit Board 6 48 Soldered On Components 6 49 Troubleshooting 6 51 Service Level 6 52 Check for Common Problems 6 52 Isolating System...

Страница 8: ...Table of Contents TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual iii Electrical Parts List Diagrams Mechanical Parts List Parts Ordering Information 10 1 Using the Replaceable Parts List 10 2 ...

Страница 9: ... for the benchtop mainframe and controller 3 2 Figure 3 2 Mainframe block diagram 3 5 Figure 3 3 Benchtop and expansion mainframe block diagram 3 8 Figure 4 1 Calibration certification procedure flow chart 4 2 Figure 4 2 Benchtop and expansion mainframe 25 pin rear panel connector 4 7 Figure 6 1 Installing the empty slot panel fillers 6 6 Figure 6 2 Location of blower assembly screws 6 8 Figure 6 ...

Страница 10: ...m the interface board 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 6 48 Figure 6 29 ResMan32 program output 6 58 Figure 6 30 Startup sequence 6 66 Figure 6 31 Benchtop controller troubleshooting tree 6 68 Figure 6 32 Mainframe troubleshooting tree 6 70 Figure 9 1 Interconnection d...

Страница 11: ... 3 P1 connector pinouts 2 13 Table 2 4 P2 connector pinouts for slots 1 12 2 14 Table 2 5 P2 connector pinouts for slot 0 2 15 Table 2 6 Mouse port pin assignments 2 17 Table 2 7 Keyboard port pin assignments 2 17 Table 2 8 PC CardBus32 port pin assignments 2 19 Table 2 9 USB pin assignments 2 19 Table 2 10 SVGA OUT pin assignments 2 20 Table 2 11 RS 232 Port pin assignments 2 20 Table 2 12 LPT po...

Страница 12: ...ed 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 6 60 Table 6 12 BIOS error codes and explanations 6 62 Table 7 1 TLA721 Service Options 7 1 Table 7 2 TLA7XM Service Options 7 1 ...

Страница 13: ...Table of Contents viii TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 14: ...Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Do not apply a potential to any terminal including the common terminal tha...

Страница 15: ... could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear...

Страница 16: ...s 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 r...

Страница 17: ...Service Safety Summary xii TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 18: ...nformation 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 H Theory of Operation contains a high level overview of the basic operation o...

Страница 19: ...r 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 a...

Страница 20: ...ating 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 The TLA7Dx TLA7EX Digitizing Oscillo scope Module Service Manual Provides service information for the DSO modules Isolati...

Страница 21: ...Preface xvi TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 22: ...may only be performed by a qualified service person Be sure to follow all warnings cautions and notes Adjustment and Certification Interval Generally you should perform the adjustments and certification calibration once per year or following repairs that may affect adjustment or calibration Service Strategy This manual supports and contains information needed for periodic maintenance of the mainfr...

Страница 23: ...r 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...

Страница 24: ...onix com Sales support 1 800 833 9200 select option 1 Service support 1 800 833 9200 select option 2 Technical support 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 s...

Страница 25: ...Introduction xx TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 26: ...hat 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 H Microsoft Windows operating system H Ten slots excluding three slots for the benchtop controller for compatibility with new and existing LA DSO and patgen ...

Страница 27: ...ibility with new and existing LA DSO and patgen modules H Precision clock trigger line and event signaling between the mainframe and modules for real time triggering sequencing and correlation of events H Easy access to field replaceable units FRUs to provide a low mean time to repair MTTR for exchange modules H Fan airflow capacity to support a reduction in audible noise levels H Mainframe compat...

Страница 28: ...2 L2 write back cache Flash BIOS 512 KB Provides PC plug and play services with 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 PnP NVRAM retention time Typical Battery life i...

Страница 29: ...VGA or XGA monitors Display configuration 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 Display memory 4 MB S...

Страница 30: ... utilizing a mini DIN connector Keyboard port Front panel mounted PS2 compatible keyboard port utilizing a mini DIN connector Parallel interface port LPT 36 pin high density connector supports standard Centronics mode Enhanced Parallel Port EPP or Microsoft high speed mode ECP Serial interface port COM 9 pin male sub D connector to support an RS232 serial port PC CardBus32 port Standard Type I and...

Страница 31: ... RS232 Current readout accuracy Typical 5 of maximum power supply Imp Rear panel connector levels 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 s between ...

Страница 32: ... ECLTRG0 1 Signal 3 4 TTLTRG0 1 Input levels VIH VIL TTL compatible input 2 0 V 0 8 V Input mode Active true low level sensitive Input bandwidth1 Signal 1 2 ECLTRG0 1 Signal 3 4 TTLTRG0 1 50 MHz square wave minimum 10 MHz square wave minimum Active period Accepts signals during valid acquisition periods via real time gating Maximum input voltage 0 to 5 V peak System trigger output TTL compatible o...

Страница 33: ... wave minimum 10 MHz square wave minimum Active period Outputs signals during valid acquisition periods resets signals to false 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 bac...

Страница 34: ...MPL inverted logic on backplane 364 ns 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 syste...

Страница 35: ...ts 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 ...

Страница 36: ...tyle No 59 Fast acting Rating 15 A 250 V 207 V 250 VACRMS operation 159 0381 00 Safety IEC 127 Sheet 1 Size 5 mm 20 mm Style Fast acting F high breaking capacity Rating 6 3 A 250 V Inrush surge current 70 A maximum Steady state input current 16 5 ARMS maximum at 90 VACRMS 6 3 ARMS maximum at 207 VACRMS Power factor correction Typical 0 99 at 60 Hz operation and 0 95 at 400 Hz operation ON Standby ...

Страница 37: ...lots by opening the air flow shutter mechanism Optimizes cooling efficiency by only applying airflow to modules that are installed Pressurization Positive pressurization system all chambers including modules Slot airflow direction P2 to P1 bottom of module to top of module Mainframe air intake Lower fan pack rear face and bottom Mainframe air exhaust Top sides and top rear back Top rear back exhau...

Страница 38: ...y disk drive or CD ROM drive 20_C to 60_C 15_C hr maximum gradient non condensing Relative Humidity Operating and nonoperating 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 no...

Страница 39: ...ht 10 32 in 262 1 mm Width 1 25 in 31 75 mm Depth 14 75 in 373 4 mm Weight Mainframe with benchtop controller and slot fillers Typical 58 lbs 11 oz 26 7 kg Shipping configuration Typical 60 lbs 11 oz 26 7 kg minimum configuration with controller only and all standard accessories two manuals five dual wide and one single wide slot filler panels power cord empty pouch front cover keyboard software a...

Страница 40: ... 66 2 dBA weighted back Construction materials Chassis parts aluminum alloy Front panel and trim pieces plastic Circuit boards glass laminate 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 13 7 in ...

Страница 41: ...on 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 Complies with EMC provision of Radiocommunications Act per the following standard s Declaration of...

Страница 42: ...nic equipment Pollution Degree 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...

Страница 43: ...Specifications 1 18 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 44: ...eyboard 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 application If you are uncertain of the power requirements...

Страница 45: ...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 If you have an expansion mainframe connect the expansion mainframe to 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 switc...

Страница 46: ... 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 Figure 2 2 Front view of the benchtop chassis with a benchtop controller The On Standby switch on the top left corner of the front pa...

Страница 47: ...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 temperatu...

Страница 48: ...Operating Information TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 2 5 Pin 1 Pin 25 Figure 2 4 Passive monitor connector ...

Страница 49: ... an external battery Maximum of 1 A total pins 8 and 21 combined 2 9 GND Logic Ground 10 SYSRESET 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 T 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 wh...

Страница 50: ...an open collector device to drive this line The line is pulled up to 1 V internally 2 If you use pins 8 and 21 5 VB 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 3 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...

Страница 51: ... 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 sl...

Страница 52: ... 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 sup...

Страница 53: ...umper The Enhanced Monitor includes a 9 pin RS 232 connector that allows connec tion to a RS 232 host Figure 2 8 shows the pin assignments of the 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 Enhanced Monitor RS 232 Connector ...

Страница 54: ...Pin Description Shield Protective Ground 1 No Connection 2 Receive Data RxD 3 Transmit Data TxD 4 Data Terminal Ready DTR 5 Signal Ground GND 6 No Connection 7 Request to Send RTS 8 Clear to Send CTS 9 No Connection Pin 9 Pin 1 RS 232C I O levels 25 VDC MAX 1A MAX PER PIN Figure 2 8 Enhanced Monitor RS 232 connector ...

Страница 55: ...XM Expansion Mainframe Service Manual 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 0 P2 connector Backplane Connectors ...

Страница 56: ... BG1OUT D14 8 D07 BG2IN D15 9 GND BG2OUT GND 10 SYSCLK BG3IN SYSFAIL 11 GND BG3OUT BERR 12 DS1 BR0 SYSRESET 13 DS0 BR1 LWORD 14 WRITE BR2 AM5 15 GND BR3 A23 16 DTACK AM0 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 A11 28 A03 IRQ3 A10 29 A02 IRQ2 A09 30 A01 IRQ1 ...

Страница 57: ...02 A28 LBUSC02 9 LBUSA03 A29 LBUSC03 10 GND A30 GND 11 LBUSA04 A31 LBUSC04 12 LBUSA05 GND LBUSC05 13 5 2 V 5 V 2 V 14 LBUSA06 D16 LBUSC06 15 LBUSA07 D17 LBUSC07 16 GND D18 GND 17 LBUSA08 D19 LBUSC08 18 LBUSA09 D20 LBUSC09 19 5 2 V D21 5 2 V 20 LBUSA10 D22 LBUSC10 21 LBUSA11 D23 LBUSC11 22 GND GND GND 23 TTLTRG0 D24 TTLTRG1 24 TTLTRG2 D25 TTLTRG3 25 5 V D26 GND 26 TTLTRG4 D27 TTLTRG5 27 TTLTRG6 D28...

Страница 58: ...A28 LBUSC02 9 MODID09 A29 LBUSC03 10 GND A30 GND 11 MODID08 A31 LBUSC04 12 MODID07 GND LBUSC05 13 5 2 V 5 V 2 V 14 MODID06 D16 LBUSC06 15 MODID05 D17 LBUSC07 16 GND D18 GND 17 MODID04 D19 LBUSC08 18 MODID03 D20 LBUSC09 19 5 2 V D21 5 2 V 20 MODID02 D22 LBUSC10 21 MODID01 D23 LBUSC11 22 GND GND GND 23 TTLTRG0 D24 TTLTRG1 24 TTLTRG2 D25 TTLTRG3 25 5 V D26 GND 26 TTLTRG4 D27 TTLTRG5 27 TTLTRG6 D28 TT...

Страница 59: ...htop 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 Keyboard Secondary Video COM Port PCMCIA PC Cards 2 Mouse SYSTEM TRIG IN SYSTEM TRIG OUT EXTERNAL SIG IN EXTERNAL SIG OUT Floppy Disk Drive RUN Indicator SYSTEM FAIL Indicator TEST Indicator SLEEP Indicator Replaceable Hard Disk Driv...

Страница 60: ...ector 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 Pin number Pin Assignment 1 Data 2 No connection 3 GND 4 5 V 5 Clock 6 GND The keyboard connector is a standard six pin PS 2 compliant DIN connector The keyboard port can be...

Страница 61: ... 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...

Страница 62: ... 56 A25 11 A9 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 There are two USB universal serial bus ports The USB ports can be used for any USB complaint device Table 2 9 shows the...

Страница 63: ...he 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...

Страница 64: ...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 assignments Pin number Pin function Pin number Pin function 1 BUSY 19 GND 2 SLCT 20 GND 3 ACK 21 GND 4 ERR 22 GND 5 PE 23 GND 6 D0 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...

Страница 65: ...sion mainframe The expansion module must be located in slot 0 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 contr...

Страница 66: ...elp 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 ...

Страница 67: ...l waveforms All defined channels display as Busforms for the logic analyzer and as individual data channels for the DSO 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 Waveform Window Other Windows ...

Страница 68: ...e 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 Benchtop Controller 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...

Страница 69: ...d CD ROM drive Floppy disk drive Hard Disk Interface Figure 3 1 Interconnection and block diagram for the benchtop mainframe and controller The PC controller uses a standard Intel Pentium III microprocessor using the 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...

Страница 70: ... These features include time interpolation to support the use of the VTC ASIC in individual module applications 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 FPG...

Страница 71: ...e 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 devices to the controller Mainframe The benchtop and expansion mainframes are identical and contain the following major modules H Power supply H Backplane H Enhanced monitor board H Temperature sense board Refer...

Страница 72: ...1 Slot 12 5 S 1 2 J10 P9 S3 J7 J8 4 2 12 9 25 3 0J3 0P1 0P2 J6 P26 P28 P27 J26 J28 J29 1 Logical Addr Figure 3 2 Mainframe block diagram The power supply is a custom power supply capable of supplying 1000 Watts of 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...

Страница 73: ...ced 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 0P1 and 0P2 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 ...

Страница 74: ...e During power up the value of the MODID0 signal is sampled If the signal on MODID0 is low the expansion module is determined to be installed in slot 0 If the signal on MODID0 is high the expansion module is determined to be installed in slot 1 12 The SYSCLK system clock is buffered and transmitted to the expansion mainframe from the benchtop mainframe The MODID register is enabled only when the e...

Страница 75: ... MF backplane Expansion MF backplane 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 a...

Страница 76: ...eability 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 Perf...

Страница 77: ...ure customer s mainframe and modules as described in procedure Set up test equipment Select procedure Perform procedure Enter measurements on the appropriate Calibration Data Report Are measurements within tolerance Repair or adjust equipment as required Are all certifications complete Done Is it OK with customer to remove reconnect probes from System Under Test No No Yes Yes Yes No Create necessa...

Страница 78: ...x part number 131 1426 XX 6 Digital multimeter with test leads VDC accuracy 0 1 from 10 V to 100 V Tektronix DMM 900 Series 7 Cable precision 50 Ω coaxial 50 Ω 36 in male to male BNC connectors Tektronix part number 012 0482 XX 8 SMB to BNC cable One required Tektronix P6041 Functional Verification Table 4 2 lists the functional verification procedures that are available for the benchtop and expan...

Страница 79: ...he 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...

Страница 80: ...d 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 CheckIt Utilities To run CheckIt Utilities follow these instructions 1 Quit the logic analyzer application 2 Click the Windo...

Страница 81: ...s If you substitute equipment always choose instruments 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 1 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 ...

Страница 82: ...onnector 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 12 V 12 60 V to 11 64 V 3 24 V 25...

Страница 83: ...et 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 select 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...

Страница 84: ...del number Serial number Certificate number Verification performed by Verification date System Clock Test Data Characteristic Specification Tolerance Procedure reference Incoming data Outgoing data Clock frequency 10 MHz 1 kHz 9 9990 MHz 10 0010 MHz Page 4 8 Step 5 ...

Страница 85: ......

Страница 86: ...inframe Service Manual 5 1 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 ...

Страница 87: ...Adjustment Procedures 5 2 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 88: ...oller removal and replacement procedures H Expansion module removal and replacement procedures H Troubleshooting H Repackaging instructions Preparation 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...

Страница 89: ...ected 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 i...

Страница 90: ...xterior 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 o...

Страница 91: ... with defective wires or cables Chassis Dents deformations and damaged hardware Straighten repair or replace defective 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 clean...

Страница 92: ...sts 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 siz...

Страница 93: ...me 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 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 f...

Страница 94: ...cable cover 4 Unplug the blower cable and set the blower assembly aside on a clean working surface 5 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 6 Remove the two sheet metal screws at the top of the bl...

Страница 95: ...ual 8 32 Captive screw fan housing 8 32 Captive screw Enhance monitor 8 32 Captive screw cable cover 8 32 Captive screw fan housing 8 32 Captive screw fan housing 8 32 Captive screw fan housing 8 32 Captive screw Enhance monitor 8 32 Captive screw fan housing Figure 6 2 Location of blower assembly screws ...

Страница 96: ...chtop TLA7XM Expansion Mainframe Service Manual 6 9 Blower assembly Power supply Fan cable Cable cover Figure 6 3 Removing the blower assembly Cable tie Blower assembly Blower Screws 2 Screws 4 Screws 6 Screws 4 Chassis Shroud Figure 6 4 Removing the blower ...

Страница 97: ... 1 Refer to Figure 6 3 and unscrew the captive screw that attaches the cable cover Remove the cable cover and set it aside 2 Unplug the blower cable from the connector labeled 1 BLOWER 3 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 Monitor board Figure 6 5 Removing the enhanced monitor b...

Страница 98: ...J2 top of board 1 2 and 3 4 TLA721 J38 middle of board 2 3 Blower J19 bottom of board 2 3 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 t...

Страница 99: ...rear of the mainframe 2 Remove the two 3 32 hex drive screws and washers to remove the handle from the power supply Power supply Handle Mainframe 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 hand...

Страница 100: ...s not include any rails for the rackmount option if it does remove the rails before continuing this procedure 1 Remove the 12 hex drive screws 6 on each side using a 3 32 Allen wrench 2 Remove the eight T 7 screws four on the top front and four on the top rear 3 Lift the front bottom corners up 4 After tilting the cover up about 3 inches lift the cover straight off the instrument Remove screws 20 ...

Страница 101: ...ides 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 mainf...

Страница 102: ...rvice Manual 6 15 Slide the card guides toward the rear of the mainframe allow the front of the card guide to snap into place Gently pull the card guide forward until it pops out of place Installing card guides Removing card guides Front Rear Figure 6 8 Removing the top and bottom card guides ...

Страница 103: ...chassis 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 Top ...

Страница 104: ...al 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 Complete the following steps to install the temperature sens...

Страница 105: ...Mainframe Removal and Installation Procedures 6 18 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual Cable Retainer Temperature sense board Figure 6 10 Removing the temperature sense board ...

Страница 106: ...nding 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 backplane Install the EMI DIN shield by reversing the removal procedure Screws 2 Polarization hole Backplane EMI DIN shield Figure 6 11 Removing the backplane EMI DIN shields Removal I...

Страница 107: ...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 backplane 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 chass...

Страница 108: ...rame Removal and Installation Procedures TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 6 21 6 32 Screws 17 Connector 0J4 J22 J23 J29 J24 Power switch connector Figure 6 12 Removing the backplane ...

Страница 109: ...umpers 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 JP1 No Jumper installed Jumper both pins JP2 2 5 2 5 JP1 JP2 1 2 3 4 5 Figure 6 13 Soft power down jumper settin...

Страница 110: ...s 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...

Страница 111: ...Mainframe Removal and Installation Procedures 6 24 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual Power switch connector Backplane J22 J23 Figure 6 14 Power switch connectors ...

Страница 112: ...fy 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 han...

Страница 113: ...roller CAUTION Do not remove the replaceable hard disk drive while the mainframe is 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 1 Power down the mainframe 2 Press the latch on the front of the controller as shown in Figure 6 15 to unlatch the...

Страница 114: ...rive 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 lbs Remove 4 screws Figure 6 16 Removing the hard disk drive from the cartridge NOTE The remaining procedures in this section assume that the removable hard...

Страница 115: ...njector 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 Remove screws 4 Figure 6 17 Removal and installation of the ejectors Install the injector ejector handle through the front panel cutout onto the mounting post and install the screws to secure the handle to the ch...

Страница 116: ...gain access internal components and memory You will need a screwdriver with a T 10 Torx tip to perform the following procedure Remove the ten flat head T 10 Torx drive screws shown in Figure 6 18 and lift off the controller left and rear covers Chassis Left side cover Screws 10 Rear cover Figure 6 18 Removing and installing the left and rear covers Removal ...

Страница 117: ... 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 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 1 4 inch nuts on the back of the front panel 4 Using a small fl...

Страница 118: ...ront 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 ...

Страница 119: ... 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 processor 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 f...

Страница 120: ... lbs 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 1 4 inch nuts on the back of the front panel to 4 in lbs 8 Using the 3 16 nut driver install the four standoffs to the two video port connectors Tighten the standoffs to 3 in lbs 9 Install the two screws on the printer port connector using a smal...

Страница 121: ...cuit 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...

Страница 122: ...al 6 35 5 Install the hard disk drive interface board and the front panel 6 Install the covers and the injector handles Fixed hard disk drive brackets Fixed hard disk drive Screws 4 Screws 4 Screws 6 CD ROM Bracket CD ROM Ribbon cable Figure 6 21 Removing and installing the fixed hard disk drive and CD ROM drive ...

Страница 123: ...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 c...

Страница 124: ...s 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 Memory SO DIMM sockets Processor board shown alone for clarity NVRAM button battery Figure 6 22 Removal and installation of t...

Страница 125: ...llowing the procedure beginning on page 6 30 4 Locate the SO DIMM on the processor board see Figure 6 22 5 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 S...

Страница 126: ...ce Center for repair 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 2 Disconnect the COM A connector cable on the processor board and set the front panel aside 3 Refer to Figure 6 23 and remove the two T 9 Torx screws holding the mouse and keyboard connectors to the front of t...

Страница 127: ...es 4 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 ...

Страница 128: ... side of the interface board that attach the floppy disk drive bracket to the circuit board as shown in Figure 6 25 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 flop...

Страница 129: ... 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 lock...

Страница 130: ...so 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 connector housing tighten the screws to 4 in lbs 12 Install the two T 9 screws from the front of the chassis to the mouse and keyboard connectors tighten the screw...

Страница 131: ...Benchtop Controller Removal and Installation Procedures 6 44 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 132: ...r 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...

Страница 133: ...ule on its right side as shown in Figure 6 26 and remove the screws and flat washers that secure the handle to the chassis Remove the handle Ejector handles Sleeves Screw Washer 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 sh...

Страница 134: ... board Remove the screws shown in Figure 6 27 and lift the cover off Remove screws 6 Cover Figure 6 27 Removal and installation of the cover 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 ...

Страница 135: ... driver to remove and install the circuit board Refer to Figure 6 28 and follow these instructions 1 Remove the cover following the instructions on page 6 29 2 Remove the six connector mounting standoffs 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 Removal ...

Страница 136: ...ents CAUTION Removing soldered on components requires that a qualified service person is skilled in the servicing of through hole and surface mount technology 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 s...

Страница 137: ...Expansion Module Removal and Installation Procedures 6 50 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 138: ...overall system H Eliminate other Problem Sources beginning on page 6 59 describes other problem sources that may indicate a faulty instrument H Diagnostics beginning on page 6 59 provides an overview of the various diagnostics available to help you service the instrument H BIOS Error Messages beginning on page 6 62 provides information on any BIOS error messages may appear while you service the in...

Страница 139: ...semblies to Tektronix for repair Check for Common Problems 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 sympt...

Страница 140: ...on chassis Check that power is available at the power source Check for failed fuses Expansion mainframe failure contact your local Tektronix service center Front panel power switch light comes on but the blower will not operate Check for faulty blower cable Check for defective bower Power supply failure contact your local Tektronix service center Monitor does not power on Check the monitor power c...

Страница 141: ...ions 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 ma...

Страница 142: ...s not show up in the system window 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 mainfr...

Страница 143: ...y Isolating System Problems 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 H 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 H Verify that the modules d...

Страница 144: ...2 will perform the mainframe power on self test diagnostics v V ResMan32 records all actions in a text window in the verbose mode default t T ResMan32 will not display the text window and the tests will terminate after executing regardless of the error conditions m M ResMan32 displays in a minimized window 1 Quit the logic analyzer application and any other applications on the desktop 2 Click on t...

Страница 145: ...g 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 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 ...

Страница 146: ...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 If you do not have a known good benchtop controller perform the following procedure to make sure the benchtop mainframe is not the source of the failure H Disconnect any attached expansion mainframes H Remove all plug in modules from ...

Страница 147: ...he 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 application module Table 6 11 Power on diagnostic tests Component Group test Power on Extended TLA Mainframe VTC Reset Test n VTC ...

Страница 148: ...ct Programs from the Start menu 4 Select Tektronix Logic Analyzer from the Programs menu 5 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 At power on the instrument runs two power on diagnostics for any attached expansion mainframes Power Cables A ...

Страница 149: ...p Verify that the floppy disk drive cable is connected on the floppy disk drive and the adapter board Extended RAM Failed at offset nnnn The extended memory may not be configured correctly or the extended memory is defective at HEX address nnnn 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 shou...

Страница 150: ...d on the commu nications bus The BIOS will return the address of the error or display if it cannot 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 ...

Страница 151: ... DIMMs are defective the error address should change System battery is dead Re place and run SETUP The CMOS clock may be dead or disconnected The CMOS setup may have to be reset 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 B...

Страница 152: ...ile 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 perf...

Страница 153: ...ilures and build configuration Start logic analyzer application Module power on diagnostics TLA system power on diagnostics Records failures in Calibration and Diagnostic property sheet Ready Fail Terminate and display error code Pass MS Windows boot Start resource manager System controller tests Module n kernel test Pass Fail Figure 6 30 Startup sequence Troubleshoot the Benchtop Controller This ...

Страница 154: ... Manual 6 67 No special equipment is required since there are no accessible test points to measure voltages and signals within the controller Use the troubleshooting tree in Figure 6 31 to identify problems in the benchtop controller Required Equipment Fault Isolation ...

Страница 155: ...urned down 3 Defective monitor BIOS error message Yes See BIOS error code table 6 12 on page 6 62 Run CheckIt Utilities Passes all tests No Repair replace failed part Run TLA mainframe diagnostics Passes all tests No Controller board defective Start No Yes Yes No Windows Boots No Ensure the the removable hard disk drive is properly installed Yes If the TLA Application is not running start it from ...

Страница 156: ...r 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 H Open fuses H Faulty power supply H Faulty modules Remove the modules and try the power supply checks again Alternately try installing a known good module If there is a cooling problem check for the following H Blower not wor...

Страница 157: ...able or blower No No Yes Power off mainframe Mainframe OK Check for failure at power supply backplane board blown fuse or bad board No Yes Power cord connected to mainframe and power source Rear panel fuse closed Yes No Replace rear panel fuse Plug in cord at both ends Check for failure at power supply Check for failure at front panel LED LED cable from LED to J22 on backplane board or series resi...

Страница 158: ...hat 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 0 device when installed in ...

Страница 159: ...lems would be to trick the expansion mainframe into thinking it was a benchtop mainframe You can do this by removing the 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 presen...

Страница 160: ... 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 H The RMA number H The owner s address H Name and phone number of a contact person H Type and serial n...

Страница 161: ...Repackaging Instructions 6 74 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 162: ...o 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 ...

Страница 163: ...D flat panel monitor Power Cord Options The following power cord options are available for the TLA721 Benchtop Mainframes H Option A1 Universal European 230 V H Option A2 United Kingdom 230 V H Option A3 Australian 230 V H Option A4 North American 230 V H Option A5 Swiss 230 V H Option 99 no power cord The following power cord options are available for the TLA7XM Expansion Mainframes H Option A1 U...

Страница 164: ...nsion Mainframe Service Manual 8 1 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 ...

Страница 165: ...Electrical Parts List 8 2 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 166: ...Benchtop or Expansion Mainframe Module Slot Module Slot Module Slot Power Supply Enhanced Monitor Blower Benchtop Controller Fixed hard disk drive Replaceable hard disk drive PCI to Backplane Bridge ASIC VTC Trig ASIC PC Controller Display and I O PC Cards SVGA COM USB EPP Trigger Ports Backplane Mouse Keyboard CD ROM drive Floppy disk drive Hard Disk Interface Figure 9 1 Interconnection diagram ...

Страница 167: ... J23 J22 5 5 J25 J27 J24 0P2 0P1 1P1 2P1 3P1 4P1 5P1 6P1 7P1 8P1 9P1 10P1 11P1 12P1 1P2 2P2 3P2 4P2 5P2 6P2 7P2 8P2 9P2 10P2 11P2 12P2 J16 Slot 0 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9 Slot 10 Slot 11 Slot 12 5 S 1 2 J10 P9 S3 J7 J8 4 2 12 9 25 3 0J3 0P1 0P2 J6 P26 P28 P27 J26 J28 J29 1 Logical Addr Figure 9 2 Benchtop mainframe block diagram Figure 9 3 shows the block diag...

Страница 168: ...ce Primary Expansion Module Secondary Expansion Module CPU Bus Buffers VXI Trigger and Clock Buffers Control and Diagnostic Registers CPU Bus Buffers VXI Trigger and Clock Buffers Expansion Cable s Primary MF Backplane Expansion MF Backplane Figure 9 3 Benchtop and expansion mainframe block diagram ...

Страница 169: ...Diagrams 9 4 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 170: ...plicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number 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 ...

Страница 171: ...lumn 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 description An item name is separated from the description by a colon Because of space limitations an item name may sometimes appear a...

Страница 172: ... 5353 BETSY ROSS DRIVE SANTA CLARA CA 95052 8145 1GM54 ZYTEC CORP 7575 MARKET PLACE DR EDEN PRAIRIE MN 55344 24931 BERG ELECTRONICS INC BERG ELECTRONICS RF COAXIAL DIV 2100 EARLYWOOD DR PO BOX 547 FRANKLIN IN 46131 26742 METHODE ELECTRONICS INC 7444 WEST WILSON AVE CHICAGO IL 60656 4548 27264 MOLEX PRODUCTS COMPANY 2222 WELLINGTON CT LISLE IL 60532 2W733 BELDEN WIRE CABLE COMPANY 2200 US HWY 27 SO...

Страница 173: ...RD 516 18TH AVE ROCKFORD IL 611045181 9F560 IBM CORPORATION 420 E SOUTH TEMPLE ST SALT LAKE CITY UT 84145 H2329 AEG NEDERLAND NV ALETTA JACOBSLAAN 7 POSTBUS 18 1066 BP AMSTERDAM NETHERLANDS 34416 PARSONS MANUFACTURING CORP 1055 O BRIEN DRIVE MENLO PARK CA 940251476 S3109 FELLER U S CORPORATION 72 VERONICA AVE SOMERSET NJ 08873 TK0588 UNIVERSAL PRECISION PRODUCT 1775 NW CORNELIUS PASS RD HILLSBORO ...

Страница 174: ...RTH AMERICAN 0B445 161 0213 00 161 0218 00 1 CABLE ASSY PWR 3 14 AWG 100 L SJT BLK 60 DEG C 5 20P X BME 3S 15A 125V 0B445 161 0218 00 Optional Accessories 020 2369 XX 1 RACKMOUNT KIT COMPONENTS SILVER GRAY TLA72X TLA7XM 80009 020 2369 00 012 0057 01 1 CABLE ASSEMBLY Coaxial RFD 50 Ohm 43 inch L BNC 060D9 012 0057 01 012 1241 00 1 CABLE INTERCON 09922 902318 012 1468 00 1 PARALLEL CABLE CONNECT HIG...

Страница 175: ...8 32 X 0 375 BUTTON HEAD HEX DRIVE STAINLESS STEEL BLACK OXIDE FINISH 0 093 DRIV 0KB01 ORDER BY DESCRIPTION 2 211 1093 00 8 SCREW MACHINE 4 40 X 0 25 FLH 100 DEG STL BLK OXIDE T7 0KB01 211 1093 00 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...

Страница 176: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 7 1 2 3 4 5 6 Figure 10 1 Cabinet and chassis assembly ...

Страница 177: ...TL CDPL T 15 TORX DR 0KB01 ORDER BY DESCRIPTION 7 118 9417 XX 1 BACKPLANE VXI BACKPLANE VXI COMPATIBLE WITH 13 C SIZE SLOTS ELECTRONIC AUTOMATIC 80009 118 9417 00 8 343 0775 00 2 CABLE CLAMP RIBBON 1 0X1 0 GRAY POLYVI NYL W URETHANE FOAM TAPE BACKING 52152 80610029243 3484 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...

Страница 178: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 9 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Figure 10 2 Circuit boards and chassis parts ...

Страница 179: ... 01 4 211 0747 00 4 SCREW MACHINE 6 32 X 0 188 PNH STL CDPL T 15 0KB01 ORDER BY 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 HEX DRIVE STAINLESS STEEL BLACK OXIDE FINISH 0 093 DRIV 0KB01 212 0193 00 8 119 5199 00 1 FAN DC BLOWER 48V DUAL INLET...

Страница 180: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 11 1 2 3 4 5 6 7 8 9 10 11 12 13 6 Figure 10 3 Power supply monitor and fan assembly ...

Страница 181: ...R 0 350 W X 7 5 L RIVIT MTG SNAP IN RIVIT SPACING 1 5 IN 0KM03 0493 0070 00 3 367 0484 00 1 HANDLE EJECTOR INJECTOR EJECTOR ASSEMBLY TWO WIDE VXI W OUT KEYING SPRING LOADED PLASTIC 20 GL 80009 367 0484 00 4 335 0646 00 1 MARKER INDENT EJECTOR LABEL BOTTOM 0 745 X 0 520 0KB05 335064600 5 334 9236 00 1 MARKER IDENT MKD TEKTRONIX TOP INJECTOR EJECTOR LABEL BENCHTOP CONTROLLER 0KB05 334923600 6 367 04...

Страница 182: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 13 1 2 3 4 5 6 Figure 10 4 Benchtop controller exploded view covers and handles ...

Страница 183: ...AH LITHIUM COIN CELL 1 IN DIA X 0 3 IN HEIGHT SAFETY CONTROLLED TK6379 CR2477N 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 SET OF FOUR 060D9 44 0162 01 8 119 6494 00 1 DISK DRIVE WINCHESTER 2 5 IN 30 0GB SINGLE PLATTER IDE 07N4392 9F560 119 6494 00 9 174 3925 00 1 CA ASSY SP RIBBON CD ROM AUDIO CABLE IDC 44 28 AWG 1MM 1 0 L 2 ...

Страница 184: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 15 1 2 3 4 5 6 7 8 9 10 11 12 Figure 10 5 Benchtop controller exploded view internal parts ...

Страница 185: ...CHROMATE TLA7XM TK1943 386 7267 00 8 367 0410 00 1 HANDLE EJECTOR BOTTOM SINGLE WIDE MODULE 62559 20817 327 9 335 0646 00 1 MARKER IDENT LABEL MKD FOR USE WITH TLA700 SERIES BOTTOM INJECTOR EJECTOR 0 745 X 0 520 0 010 0KB05 335 0646 00 10 950 4827 00 2 SCREW PHIL M 2 5 X 8 CSK CDS 92502 25008 93907 ORDER BY DESCRIPTION 11 950 3794 00 2 WASHER WAVY 2 7MM CDS 92505 25005 H2329 409 013 911 12 950 444...

Страница 186: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 17 1 2 3 4 5 4 4 6 7 8 9 10 11 12 13 14 15 16 17 Figure 10 6 Expansion module exploded view ...

Страница 187: ...me description Mfr code Mfr part number 10 7 1 174 4363 00 2 CA ASSY SP ELEC 30 AWG 48 0L 80 TW PAIR W D SUB BOTH ENDS PLUG TO PLUG 27264 174 4363 00 2 174 4350 00 1 CA ASSY SP SHLD 25 TW PR 24 AWG 36 00L 25 POS RECPT DSUB CRIMP BOTH ENDS TK6314 174 4350 00 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 ...

Страница 188: ...Mechanical Parts List TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual 10 19 1 2 Figure 10 7 Expansion module exploded view 1 2 Figure 10 8 IView cables ...

Страница 189: ...Mechanical Parts List 10 20 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...

Страница 190: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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