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Tektronix 80A00, Service Manual

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Tektronix 80A00 Service Manual Download Page 78

Troubleshooting

Table 2: Possible causes of instrument failure (cont.)

Failure symptom

Possible cause(s) / solutions

80C0X modules have no signals displayed

Module not fully installed in the slot. Reseat module (power down instrument

before reseating).

Wrong channel is selected; check Waveform Selector and Setup menus.

Signal cable not connected properly.

Possible optical cable problems.

Possible optical module or Time Base assembly problems. Contact Tektronix

Customer Service for help.

80C0X modules; poor noise performance

Male

fi

ber-

fi

ber connections need to be cleaned.

80C0X modules; frequency response exhibits
a steep negative "droop" in its plot.

Bad internal O/E RF ampli

fi

er de-coupling. Contact Tektronix Customer Service

for help.

BIOS error messages

Refer to the BIOS error message table. (See Table 3.)

Instrument locks up

Power off the instrument, and then restart. If the instrument has the same

problem, contact Tektronix Customer Support.

Replace the Power PC circuit board assembly.

62

DSA8300 Digital Serial Analyzer and Modules Service Manual

Summary of Contents for 80A00

Page 1: ...xx DSA8300 Digital Serial Analyzer 80A00 80C00 80E00 Sampling Modules ZZZ Service Manual P077057201 077 0572 01 ...

Page 2: ......

Page 3: ...Manual xx Revision A June 2015 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 077 0572 01 ...

Page 4: ...d and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support In North America call 1 800 833 ...

Page 5: ...ale preamplifier module 9 80A02 EOS ESD protection module 10 80A05 electrical clock recovery module 10 82A04B phase reference module 11 Adjustment procedures 13 Required equipment 13 Equipment hookup 14 Main instrument adjustments 14 Adjust DC calibration 15 Verify DC calibrator adjustment 16 Internal 10 MHz adjust 17 Maintenance 19 Preventing ESD 19 Inspection and cleaning 20 Removal and installa...

Page 6: ...ltage power supply 52 Electrical sampling modules 54 Optical sampling modules 56 80A00 and 82A00 series modules 57 Troubleshooting 60 Check for common problems 60 Isolating failures to the 80EXX 80CXX modules or the mainframe 63 Isolating to a board if power will not come up 64 Checking the power supply voltages 65 PPC and ATX PC diagnostics 66 BIOS beep codes 67 Firmware updates 68 After repair 6...

Page 7: ...gure 14 ATX assembly removal 46 Figure 15 Power PC board removal 48 Figure 16 Fan assembly removal 51 Figure 17 Sample of electrical module hardware removal 55 Figure 18 80A00 and 82A00 series module disassembly 58 Figure 19 Location of debug pins 64 Figure 20 External parts 74 Figure 21 Drives 76 Figure 22 Front panel and processors 78 Figure 23 ATX assembly 80 Figure 24 Front panel connectors 82...

Page 8: ... Table 8 ATX assembly replaceable parts list 81 Table 9 Front panel connectors replaceable parts list 83 Table 10 80E01 80E02 80E03 and 80E04 modules replaceable parts list 85 Table 11 80A05 module replaceable parts list 86 Table 12 80E06 module replaceable parts list 87 Table 13 80E07 B 80E08 B 80E09 B and 80E10 B modules replaceable parts list 88 Table 14 80C00 Optical modules replaceable parts ...

Page 9: ...ualified personnel who are aware of the hazards involved should remove the cover for repair maintenance or adjustment Before use always check the product with a known source to be sure it is operating correctly This product is not intended for detection of hazardous voltages Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed While us...

Page 10: ...mains or Category II III or IV circuits Do not operate without covers Do not operate this product with covers or panels removed or with the case open Hazardous voltage exposure is possible Avoid exposed circuitry Do not touch exposed connections and components when power is present Do not operate with suspected failures If you suspect that there is damage to this product have it inspected by quali...

Page 11: ...reduce the risk of personal injury or damage to the device get help when lifting or carrying the product Use only the Tektronix rackmount hardware specified for this product Service safety summary The Service safety summary section contains additional information required to safely perform service on the product Only qualified personnel should perform service procedures Read this Service safety su...

Page 12: ...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 When this symbol is marked on the product be sure to consult the manual to find out the nature of the potential h...

Page 13: ...tart User Manual for information on instrument compliance Environmental considerations See the DSA8300 Digital Serial Analyzer Quick Start User Manual for information on instrument environmental considerations DSA8300 Digital Serial Analyzer and Modules Service Manual ix ...

Page 14: ...Compliance information x DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 15: ...iliar with before beginning service Assemblies and modules This manual uses the term assembly An assembly is a related collection or unit of electrical and mechanical assemblies circuit cards interconnecting cables and a user accessible front panel References to an assembly are different than references to a module such as Sampling modules Phase Reference modules or Accessory modules which are pro...

Page 16: ...nload from the Tektronix Web site 077 0682 XX DSA8300 Service Manual this document Available for download from the Tektronix Web site 077 0572 XX 80C00 and 80E00 Series Optical and Electrical Sampling Modules User manual 071 3059 XX 80A01 Trigger Prescale Limiting Preamplifier Module User manual 071 0873 XX 80A02 EOS ESD Protection Module Instructions 071 1317 XX 80A03 TekConnect Probe Interface M...

Page 17: ...there Some topics of interest when servicing the product are listed in the following table The manuals are available at www tek com downloads Location of user topics Manual Topic Environmental requirements site considerations operating requirements rackmount requirements Module configuration Connecting peripherals such as monitor printer keyboard and mouse Powering the instrument on and off System...

Page 18: ...2 XX System and module performance verification procedures System hard drive rebuild procedure Software release notes Software installation Product software install instructions Tektronix part number 071 2050 XX Shipped with the product software disc Operating system reinstallation 2 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 19: ...l is the low 0 state Signal states may also be described as true meaning their active state or false meaning their nonactive state The specific voltages that constitute a high or low state vary among the electronic devices The instrument control system is a dual Wintel PowerPC based processor board The platform features XGA resolution flat panel display transparent touch screen and user front pane...

Page 20: ...frame overview This mainframe overview describes the basic operation of each functional circuit block as shown in the following figure Figure 1 DSA8300 block diagram 4 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 21: ...essor system The processor system contains a dual Wintel PowerPC The basic instrument configuration supports up to eight channels labeled Ch 1 through Ch 8 provides two external trigger inputs for direct and prescaled clock triggering through built in prescaler and is able to support four optional internal trigger sources associated with the large slot channels Display panel Color LCD display Acti...

Page 22: ...B 80E11 80E11X1 sampling modules nonTDR For two channel electrical modules a single strobe delivered from the instrument mainframe to both acquisition channels controls the timing of the strobe assertion to both channels If channel to channel deskew is zero and the channel delays if equipped are matched the sampling coincidence between channels is very close Acquisition deskew function is accompli...

Page 23: ...step generator turned off each channel functions as a normal sampling input In the TDR mode a fast rise time step is generated internally for each channel and applied to the input signal path for that channel The acquisition part of the TDR sampling module remains functional for monitoring the primary step and its reflected components The sampling module provides two self contained TDR channels Yo...

Page 24: ... the following ways A hardware filter inserted between the O E and the sampler and dominates the response No filter is used but the bandwidth of the sampler is adjusted The O E bandwidth is adjusted and dominates the response The power monitor is a second measure of the photo diode current that is independent of the sampler signal path Analog circuitry continuously senses the current flowing into ...

Page 25: ... Some optical modules such as the 80C10C and 80C15 have an optional clock recovery trigger pickoff CRTP function that provides a second high sensitivity optical input to drive electrical differential DATA and DATA outputs These differential data signals are connected to the BERTScope CR286A Clock Recovery instrument for clock recovery or error detection 80A01 trigger prescale preamplifier module T...

Page 26: ...provides this signal as a trigger source to the DSA8300 Front panel connectors provide a duplicate of the recovered clock signal The module uses one of two separate clock recovery circuits depending on the specified data rate The single ended or complementary input signals are split with a 1 2 divider and routed to the two circuits The low bandwidth circuit recovers clock and data from input data ...

Page 27: ...ection modes are free run where the module provides unit circle location information for the phase of the data sample and triggered where the module with the trigger signal provides both base positioning and refined positioning for the data sample The input connector is a precision 1 85 mm connector Phase correction works over the range of 2 5 GHz 25 GHz 82A04B or 2 5 GHz 60 GHz 82A04B 60G The LED...

Page 28: ...Theory of operation 12 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 29: ...ment and materials listed in the following table Category Specific equipment required Quantity Signal source Signal generator 50 MHz to 1 GHz 1 ppm frequency accuracy 1 Frequency counter Frequency resolution 12 digits 1 Meter Digital Multimeter with 6 5 plus digits 1 PC compatible computer with National Instruments GPIB Controller card and software running Windows XP Vista or 7 1 Instrument contro...

Page 30: ...es before starting the adjustment procedures Main instrument adjustments Compensate the DSA8300 CAUTION To prevent incorrect calibration values make sure that the instrument and test equipment have warmed up for at least 20 minutes before performing this procedure 1 Click Utilities Compensation 2 Select Mainframe 3 Select Compensate and Save 4 Click Execute 5 Click OK in dialog box 6 Click Close w...

Page 31: ...C calibrator output to 0 Volts by entering the following GPIB command CALIBRATE DCCALIBRATOR 0 0 7 Record the DMM reading 8 Set the instrument DC calibrator offset cal constant to 1 DMM reading by entering the following GPIB command CALCOMP DOUBLE DcCalOffsetAdj 1 0 the DMM reading Example CALCOMP DOUBLE DcCalOffsetAdj 3 2e 4 9 Set the instrument calibrator to 1 0 V by entering the following GPIB ...

Page 32: ...o verify that the DC calibration adjustment was successful do the following 1 Set the instrument DC calibrator to 1 0 V by entering the following GPIB command CALIBRATE DCCALIBRATOR 1 0 2 Verify that the DMM reads 1 0 V 1 mV 3 Set the instrument DC calibrator to 1 0 V by entering the following GPIB command CALIBRATE DCCALIBRATOR 1 0 4 Verify that the DMM reads 1 0 V 1 mV 5 Set the instrument DC ca...

Page 33: ...s shown in the following figure 2 Set the signal generator as follows Frequency 1 GHz Amplitude 1 0 V peak to peak Output On 3 Set the frequency counter as follows Frequency 200 kHz Number of digits 9 4 Set the DSA8300 as follows Trigger source to TDR Setup Mode Trigger select TDR for Trigger Source TDR trigger source clock rate to 200 kHz TDR Trigger mode to External Setup Mode Trigger Advanced T...

Page 34: ...eading2 Reading1 10M 11 Measure the TDR Clock Out frequency Recheck 12 Verify that the reading is10 MHz 1 kHz 13 If all readings are correct entering the following GPIB command to save the new calibration constants to the mainframe factory settings memory CAL SAV FACTORY MAIN 14 Update the mainframe calibration time date temperature stamp by entering the following GPIB command CAL UPDATEINFO MAIN ...

Page 35: ...protected containers or on a metal rail Label any package that contains static sensitive boards Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these assemblies Service static sensitive assemblies only at a static free work station Discharge cables to ground before connecting them to the instrument or modules Do not create an ESD antenna by l...

Page 36: ...d disconnect it from line voltage before performing any procedure that follows Flat panel display cleaning The mainframe display is a soft plastic display and must be treated with care during cleaning CAUTION Improper cleaning agents or methods can damage the flat panel display To avoid damage do not use abrasive cleaners or commercial glass cleaners to clean the display surface Do not spray liqui...

Page 37: ... the switch directly Exterior inspection Use the following table to inspect the outside of the instrument for damage or missing parts Immediately repair defects that could cause personal injury or lead to further damage to the instrument External inspection checklist Item Inspect for Repair action Cabinet front panel and cover Cracks scratches deformations damaged hardware Repair or replace defect...

Page 38: ...cked broken blistered condition Remove and replace damaged circuit board Capacitors Damaged or leaking cases Corroded solder on leads or terminals Remove and replace damaged circuit board Wiring and cables Loose plugs or connectors Burned broken or frayed wiring Firmly seat connectors Repair or replace modules with defective wires or cables Chassis Dents deformations and damaged hardware Straighte...

Page 39: ...40 F deionized water to thoroughly rinse them 6 Dry all parts with low pressure deionized air 7 Dry all components and assemblies in an oven or drying compartment using low temperature 125 F to 150 F circulating air Lubrication There is no periodic lubrication required for this instrument DSA8300 Digital Serial Analyzer and Modules Service Manual 23 ...

Page 40: ...you to remove or install a screw unless a different size screwdriver is specified in that step Table 1 Required equipment for removal and replacement Item No Name Description Part number 1 Screwdriver handle Accepts Torx driver bits General Tool 620 440 2 Screwdriver handle extended length 10 5 to 12 inches Accepts Torx driver bits and 3 16 socket tip Used for removing the T 10 screws and 3 16 inc...

Page 41: ...n end wrench Used to remove the rear panel nut posts Standard tool 11 5 16 inch open end wrench Used to remove the rear panel nut posts Standard tool 12 Coaxial cable connector tool Used to remove coaxial connectors from d subminiature connector housings Amp 58095 1 External assemblies WARNING Before performing any procedure in this section disconnect the power cord from the line voltage source Fa...

Page 42: ...Removal and installation Figure 2 External assemblies 26 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 43: ...the instrument using the Windows shut down process and then push the rear panel power switch or disconnect the AC power cord to remove power from the mainframe 2 Place the bottom of the instrument on the work surface with the rear facing you Locate the two line fuse caps and the AC power cord near the center of the rear panel 3 To remove line fuses Remove both fuse caps by turning them countercloc...

Page 44: ... the angled tip tweezers between the knob and front panel and use them to remove the knob See Figure 3 on page 28 c For replacement knob part numbers refer to the exploded view and replaceable parts table See Figure 22 on page 78 Figure 3 Knob removal CAUTION To prevent damage to the encoders located on the circuit board apply pressure to the backs of the encoders while pushing the knob on the sha...

Page 45: ...owing the tabs to clear the cover openings then pull out to remove the panels from the instrument 3 To remove the front panel trim a Hold the trim ring by its top edge and pull toward you to detach the three plastic snaps Alternatively you can use a flat bladed screwdriver or other small prying tool to help you detach the snaps b Swing the bottom of the ring up and off the front panel 4 To remove ...

Page 46: ...E All mounting screw holes are indicated by a star etched around the mounting hole a Place the rear of the instrument on the work surface with the front facing you b Remove the thirteen T 15 Torx drive screws that attach the covers to the top and both sides of the chassis See Figure 20 on page 74 c Remove the nine T 15 Torx drive screws that attach the covers to the bottom of the chassis d Pull th...

Page 47: ...ion Internal assemblies Before removing internal assemblies you must remove the external assemblies See page 25 External assemblies Figure 4 Internal assemblies DSA8300 Digital Serial Analyzer and Modules Service Manual 31 ...

Page 48: ... catches d From the side insert the tip of a flat blade screwdriver directly above the USB port and below the Front Panel assembly There is a piece of flexible metal there that keeps the front panel from slipping over the USB port e Push up on the flexible piece of metal as you pull the Front Panel assembly forward and away from the instrument f Use the1 8 inch flat bladed screwdriver to carefully...

Page 49: ...e Figure 4 on page 31 See Figure 22 on page 78 a Remove the eight T 15 Torx drive screws that attach the Front Panel board to the Front Panel assembly b Pry the board up off the alignment studs Place a flat bladed screwdriver in the pry point access holes to pry the board up from the assembly c Remove the board from the assembly 3 To reinstall the Front Panel board Reverse the steps Verify that th...

Page 50: ...nt Panel board See Figure 22 on page 78 3 To reinstall the front panel keypad Reverse the steps Make sure that the keypad is properly aligned on the Front Panel board and that the ribbon cable is routed correctly when installing the Front Panel in the chassis Refer to the cable connections table for information about where to connect cables See page 72 Cable connections Display assembly You will n...

Page 51: ... Display assembly and pull forward far enough to allow access to the ribbon cable connector d Disconnect the J2 and J3 ribbon cables from the Display assembly CAUTION Do not set the Display assembly on a work surface Sliding the instrument over the edge of the work surface could break off the Standby On switch assembly e Remove the Display assembly from the instrument f To reinstall the Display as...

Page 52: ...ard remove these assemblies Display assembly See page 34 2 To remove the Display Adapter Board from the Display assembly a Disconnect the cables from the Display Adapter board See Figure 7 b Remove the four T 15 Torx drive screws that attach the Display Adapter board to the Display assembly See Figure 22 c Remove the Display Adapter board from the Display assembly 3 To reinstall the Display Adapte...

Page 53: ...Removal and installation Figure 7 Display adaptor board removal DSA8300 Digital Serial Analyzer and Modules Service Manual 37 ...

Page 54: ... of the Display assembly and is not individually customer replaceable If this component must be replaced you must return the instrument to Tektronix for repair See the Contacting Tektronix information at the front of this manual For reference refer to the exploded view See Figure 22 38 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 55: ... panel facing you b Detach the J1 cable c Remove the T 15 Torx drive screw d Pull the USB assembly toward you to detach it from the instrument 2 To reinstall the USB assembly Reverse the steps Refer to the cable connections table for information about where to connect cables See page 72 Cable connections Figure 9 USB assembly removal DSA8300 Digital Serial Analyzer and Modules Service Manual 39 ...

Page 56: ...Figure 4 on page 31 d Remove the two thumbscrews from the front of the hard disk drive assembly e Hold the hard disk drive assembly and slide it out of the instrument 3 To remove the hard disk drive from the assembly See Figure 10 on page 41 a Remove the four 0 Phillips screws that fasten the hard disk drive to the cartridge b Carefully remove the hard disk drive from the cartridge 4 To reinstall ...

Page 57: ...remove the CD DVD RW disk drive assembly See Figure 4 on page 31 See Figure 11 on page 42 a Place the instrument bottom on the work surface with the front panel facing you b Remove the two Phillips screws that hold the CD DVD RW drive trim to the mounting frame and remove the trim c Place one thumb on each side of the front of the CD DVD RW drive and your forefingers on the back of the drive DSA83...

Page 58: ...age 43 a Remove the four small Phillips screws that fasten the CD DVD RW drive to the mounting frame b Remove the drive from the mounting frame 4 Detach the interface circuit board from the CD DVD RW drive 5 To reinstall the assembly Reverse the steps Refer to the cable connections table for information about where to connect cables See page 72 Cable connections 42 DSA8300 Digital Serial Analyzer ...

Page 59: ...See page 41 Hard drive See page 40 2 To remove the mounting frame a Place the instrument bottom on the work surface so that you can access the mounting drive frame See Figure 13 b Remove the six T 15 Torx drive screws that attach the mounting frame to the ATX chassis c Remove the CDD HDD drive cable from the hard drive d Remove the CD DVD RW drive cable from the CD DVD RW drive DSA8300 Digital Ser...

Page 60: ...side to side as you pull it to the rear until you can remove it completely 3 To reinstall the mounting frame Reverse the steps Refer to the cable connections table for information about where to connect cables See page 72 Cable connections Figure 13 Hard drive and CD RW DVD drive mounting frame removal 44 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 61: ...DVD and hard drive mounting frame See page 43 2 To remove the ATX Assembly See Figure 14 a Place the instrument bottom on the work surface with the side panel facing you b Remove the three T 15 Torx drive screws that attach ATX assembly to the chassis c Remove the six T 15 Torx drive screws that attach ATX assembly to the rear chassis d Hold the front edge of the ATX assembly and pull up on the as...

Page 62: ...Removal and installation Figure 14 ATX assembly removal 46 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 63: ...top panel facing you b Disconnect the ribbon cables from the Power PC board c Remove the ten T 15 Torx drive screws securing the Power PC board to the chassis support d Remove the two 3 16 inch securing nuts that attach the GPIB connector to the rear of the support bracket e Remove the two 3 16 inch securing nuts that attach the Video out connector to the rear of the support bracket f Lift the Pow...

Page 64: ...Removal and installation Figure 15 Power PC board removal 48 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 65: ...reful to align the connectors on the Side Power board with the connectors on the Low Voltage board and the Power PC board NOTE Make sure that the connectors on J11 J12 and J13 are fully seated and that the latches are engaged Reconnect the Power Side board to the Power PC board and the Low Voltage Power supply carefully making sure that all of the pins match up with the connectors and are fully se...

Page 66: ...nnect the left and right fan cables from the left and right extender cables c Remove the two T 15 Torx drive screws that attach the fan assembly to the top main chassis d Lift the fan assembly up and out from the chassis 3 To reinstall the fan assembly Reverse the steps Be sure to connect the cable marked Left to the cable extender matched with J391 Connect the cable marked Right to the cable exte...

Page 67: ...Removal and installation Figure 16 Fan assembly removal DSA8300 Digital Serial Analyzer and Modules Service Manual 51 ...

Page 68: ... cable in place To do so can cause EMI issues 2 Remove the low voltage power supply as follows a Set the instrument with the bottom on the work surface and the right side facing you b Disconnect J611 ribbon cable connector from the PC Processor board See Figure 23 c Remove the two T 15 Torx drive screws securing the low voltage power supply to the right side chassis support d Remove the three T 15...

Page 69: ...racket the Electrical Front End circuit board and chassis and the Optical Front End circuit board and chassis The circuit boards are not customer replaceable If any of these circuit boards must be replaced return the instrument to Tektronix for repair DSA8300 Digital Serial Analyzer and Modules Service Manual 53 ...

Page 70: ...u install your cover and front panel on the new chassis using the following instructions in reverse as appropriate Removing the cover NOTE The 80E07 B 80E08 B 80E09 B and 80E10 B Electrical Remote Sampling modules should not be disassembled Return the entire module assembly CAUTION Static discharge can damage any semiconductor in the instrument or sampling module Wear wrist and foot grounding stra...

Page 71: ...circuit board Hold the exposed module by the edges of the circuit board or the rear or front housings 1 Reinstall the chassis into the cover by reversing the removal procedure See page 54 Removing the cover WARNING Do not install or remove any sampling modules while the instrument is powered on Electrical shock may occur Always power the instrument down before attempting to remove or insert any sa...

Page 72: ...or a 2 channel sampling module either channel can be specified in step b For an 80E01 sampling module use only the lower numbered channel number such as CH1 or CH3 c SYSTem PROTect ON 6 Verify the serial number change Pull down the Utility menu and then select System Properties Sampling Modules Click the channel you want to verify such as C3 or C4 This display will confirm the sampling module seri...

Page 73: ...to you install your cover and front panel on the repaired or new chassis using the following instructions in reverse as appropriate CAUTION Static discharge can damage any semiconductor in the instrument or sampling module To prevent damage from static discharge have a qualified service technician do module disassembly assembly work at a static free work station wearing wrist and foot grounding st...

Page 74: ...ing procedure and refer to the above diagram to disassemble the module front panel and cover 1 Set the module on the work surface with the front facing you and the top of the module facing up 2 To remove the front panel a Remove all coaxial terminators from the front panel connectors b Remove the screw on the top near the center of the front panel edge Flip the module on the top side bottom up 58 ...

Page 75: ...t the lock down shaft 5 To reassemble the module Perform the disassembly steps in reverse order to reassemble the module considering the following sub steps as they apply a If installing a replacement front panel perform the following steps before installing the front panel Remove the backing from the front panel label Align the holes and attach the label to the new front panel b If installing a r...

Page 76: ...nitor not connected properly Front panel light comes on mainframe powers on but one or more fans will not operate Faulty fan cable Defective fan assembly Faulty power supply Mainframe powers on but no signal displayed Wrong channel is selected select correct channel from front panel channel selector or vertical setup menu Module not fully installed in the slot Signal cable not connected properly W...

Page 77: ...r hard disk drive Faulty benchtop controller CD RW DVD related symptoms Defective CD RW DVD Defective CD RW DVD drive cable Diagnostic errors Remove all electrical and optical modules from the instrument then run diagnostics again If the instrument passes diagnostics check for the electrical and optical module that is causing the failures Then run diagnostics again If the instrument still fails th...

Page 78: ...embly problems Contact Tektronix Customer Service for help 80C0X modules poor noise performance Male fiber fiber connections need to be cleaned 80C0X modules frequency response exhibits a steep negative droop in its plot Bad internal O E RF amplifier de coupling Contact Tektronix Customer Service for help BIOS error messages Refer to the BIOS error message table See Table 3 Instrument locks up Pow...

Page 79: ...urement remove the sampling module and install it in another slot 4 Repeat steps 1 and 2 and then take the following action If the instrument successfully completes the measurement there is a good chance that the mainframe channel has failed Perform other mainframe diagnostics in this section If the instrument fails to complete the measurement there is a good chance the sampling module has failed ...

Page 80: ...d board the Electrical Front End board The Power Side board the ATX board and the Bridge board See Figure 4 on page 31 If you remove the ATX board you must jumper the debug power on pin This pin J401 is on the front of the Power Side board which faces to the inside of the instrument Locate the Force Power label on the back of the board which faces you and then reach around the edge of the board to...

Page 81: ...A13 B13 C13 15 VA 5 Measure the power supply voltages with the voltmeter and compare each reading to the values listed in the table If the voltages are within about 5 of the nominal voltages your power supply is functional For more information about the power supply refer to the description of the low voltage power supply See page 6 If the instrument will not boot If a monitor connected to the DVI...

Page 82: ... on diagnostics and the instrument diagnostics as described in the following paragraphs Power On diagnostics 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 The power on tests verify that hardware is installed and can be accessed by the software The tests p...

Page 83: ...tronix field office 6 Keyboard controller BAT test error Fatal error indicating a serious problem with the system Contact your Tektronix field office 7 General exception error Fatal error indicating a serious problem with the system Contact your Tektronix field office 8 Display memory error If the system video adapter is an add in card replace or reseat the video adapter If the video adapter is an...

Page 84: ...lacement of an assembly due to electrical failure you may need to perform an adjustment or software update as indicated in the following table Table 4 Action required for assembly replaced Action required for assembly replaced Assembly replaced Adjustment required Software update required Front panel assembly No None Time Base board Yes None Optical Front End board Yes None Electrical Front End bo...

Page 85: ...fore generating or setting the key a Connect a PC with a GPIB interface to the GPIB interface of the instrument b Enter the following GPIB commands to install a new instrument model number SYST PROT OFF SYST PROP MAI MODE DSA8300 SYST PROT ON NOTE These commands take effect immediately c Enter the following GPIB commands to install a new instrument serial number SYST PROT OFF SYST PROP MAI SER ser...

Page 86: ...ping carton with an industrial stapler or strapping tape Shipping to the service center 1 Contact the Service Center to get an RMA return material authorization number and any return or shipping information you may need 2 If the instrument is being shipped to a Tektronix Service Center enclose the following information The RMA number The owner s address Name and phone number of a contact person Ty...

Page 87: ...eplaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Module servicing 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 remanufactured...

Page 88: ... 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 as incomplete Use the U S Federal Catalog handbook H6 1 for further item name identification Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 E...

Page 89: ...Replaceable parts list This page intentionally blank parts diagrams and tables start on the next page DSA8300 Digital Serial Analyzer and Modules Service Manual 73 ...

Page 90: ...Replaceable parts list Figure 20 External parts 74 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 91: ... 20 MM 6 3A 250 V FAST BLOW HIGH BREAKING CAPACITY 200 2264 00 2 CAP FUSEHOLDER 3AG FUSES AMERICAN 8 200 2265 00 2 CAP FUSEHOLDER 5 X 20MM FUSES EUROPEAN 9 200 4522 00 1 RIGHT SIDE TRIM BLUE 10 407 4887 00 1 BRACKET HANDLE BASE PC ABS ALLOY BLUE 11 212 0232 00 2 SCREW MACHINE 8 32 X 1 125L PNH STL BLACK OXIDE T 20 12 367 0528 00 1 HANDLE CARRYING POLYPROPYLENE VINYL GRIP SECTION 13 200 5117 00 1 R...

Page 92: ...Replaceable parts list Figure 21 Drives 76 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 93: ...HINE 6 32 X 0 312 L PNH STL CAD PLT T15 6 441 2636 00 1 CHASSIS DRIVE FRAME BOTTOM 7 211 0950 00 2 SCREW MACHINE M2X 4X3L PHL PNH STL NI PL 8 407 5288 00 1 BRACKET DVD CD RW SATA ADAPTER FOR SLIMLINE 9 211 0738 00 2 SCREW MACHINE 6 32 X 0 625 PNH STL BLK ZI TORX 10 200 5079 00 1 COVER CD 11 065 0807 01 1 DISK DRIVE OPTICAL CD RW DVD R RW 16 7 MB SEC 650MEG 8 5GIG SATA ATAPI 12 174 5650 00 1 CA ASS...

Page 94: ...Replaceable parts list Figure 22 Front panel and processors 78 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 95: ...ABLE POWER 24 CONDUCTOR 8 IN 10 174 5624 00 2 CABLE POWER 24 CONDUCTOR 5 IN 11 679 5660 00 1 CIRCUIT BD ASSY USB 12 679 6297 00 1 CIRCUIT BD ASSY FRONT PANEL 13 260 2724 01 1 SWITCH KEYPAD ELASTOMERIC FRONT PANEL 14 366 0770 00 3 KNOB CAP 0 925 DIA 15 366 0771 00 2 KNOB CAP SILVER GRAY 0 650 DIA X 0 520 H 16 366 0772 00 3 KNOB CAP SIVER GRAY 0 425 DIA X 0 520 H 17 333 4642 00 1 FRONT PANEL BRACKET...

Page 96: ...Replaceable parts list Figure 23 ATX assembly 80 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 97: ...acement is needed 7 1 BATTERY DRY 3 0 V LITHIUM MANGANESE DIOXIDE COINCELL CR2032 8 679 6477 00 1 CIRCUIT BD ASSY BRIDGE 9 174 4798 00 1 CA ASSY 4 PIN P4 POWER 10 174 4348 00 1 CA ASSY RF COAXIAL 50 OHM 11 119 7333 00 1 P4 LGA775 FAN SINK BRACKET FROM AVC SAFETY CONTROLLED 12 1 PROCESSOR INTEL CORE 2 DUO 3 0 GHZ W O FAN HEATSINK Contact Tektronix if replacement is needed 13 174 4797 00 1 CA ASSY 2...

Page 98: ...Replaceable parts list Figure 24 Front panel connectors 82 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 99: ...57 00 1 CONN PANEL MOUNT BNC TO MCX 3 131 0850 00 2 CONN JACK RF SMA FEED THRU DUAL FEMALE STR 50 OHM 0 25 MTG W 0 375 HEX 0 59 X 0 24 MLG 4 210 0457 00 1 NUT PL ASSEM WA 6 32 X 0 312 W LCKWSHR 5 210 0465 00 1 NUT PLAIN HEX 0 25 32 X 0 375 6 650 4086 00 1 CA ASSEMBLY ELECT ANTI STATIC 7 210 1443 00 1 WASHER FLAT 0 25 ID X 0 375 OD X 0 265 8 136 0140 00 1 JACK TIP BANANA CHARCOAL GRAY DSA8300 Digit...

Page 100: ...Replaceable parts list Figure 25 80E01 80E02 80E03 and 80E04 modules 84 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 101: ...80E01 6 366 0804 00 2 KNOB PUSH BUTTON 0 11 OD 0 33L DELRIN GRAY 80E02 80E03 80E04 7 211 0087 00 2 SCREW MACHINE 2 56 X 0 188 FLH 82 DEG SST POZ 8 214 4081 00 1 MTG SCR LOCKDWN ALUMINUM 9 380 1132 00 1 HOUSING SAMPLING HEAD AL 80E02 10 333 4340 00 1 PANEL FRONT ALUMINUM CHROMATE W TEK SILVERGRAY 335 0151 00 1 MARKER IDENT LABEL 0 010 POLY W ADHESIVE 80E02 335 0152 00 1 MARKER IDENT LABEL 0 010 POL...

Page 102: ...scription 26 1 200 4568 00 1 COVER OPTICAL MODULE 0 050 AL 2 335 0370 00 1 MARKER IDENT ANTI STATIC LABEL 12 SCREW MACHINE 4 40 X 0 250 PNH STL CD PLT T10 3 211 0373 00 13 SCREW MACHINE 4 40 X 0 250 PNH STL CD PLT T10 OPTION 10G 4 105 1115 00 2 LATCH ADJUSTABLE GRIP 5 TERM RF SMA PLUG STR SST 5 011 0176 00 6 TERM RF SMA PLUG STR SST OPTION 10G 86 DSA8300 Digital Serial Analyzer and Modules Service...

Page 103: ...1159 00 1 HOUSING SAMPLING HEAD ALUMINUM 80E06 SAFETY CONTROLLED 2 211 0087 00 2 SCREW MACHINE 2 56 X 0 188 FLH 82 DEG SST POZ 3 1 PANEL FRONT NSD HEADS BLANK 386 5603 00 80E06 4 335 0863 00 1 MARKER IDENT SAMPLING HEAD 2 760 X 0 810 0 010 POLY W ADHESIVE 80E06 SAFETY CONTROLLED 5 211 0088 00 4 SCREW MACHINE 2 56 X 0 281 FLH 82 DEG STL BK OXD POZ DSA8300 Digital Serial Analyzer and Modules Service...

Page 104: ...ceable parts list Fig index number Tektronix part number Serial number effective Serial number discont d Qty Name description 28 1 011 0176 00 2 TERM RF SMA PLUG STR SST W BEAD CHAIN 2 011 0157 00 2 ADAPTER RF PRCN 2 4MM OR 1 85 MM MALE TO 2 92 MM FEMALE 80E08 AND 80E10 ONLY 88 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

Page 105: ... Serial number discont d Qty Name description 29 1 200 4568 00 1 COVER OPTICAL MODULE 0 050 AL 2 335 0370 00 1 MARKER IDENT ANTI STATIC LABEL 0 005 POLY 3 211 0373 00 7 SCREW MACHINE 4 40 X 0 250 PNH STL CD PLT T10 4 105 1115 00 2 LATCH ADJUSTABLE GRIP 16 10 511 16 5 200 4104 00 1 CAP DUST ELAY M75 M80 SHORE BLACK MATT TEXTURED DSA8300 Digital Serial Analyzer and Modules Service Manual 89 ...

Page 106: ... PNH SST PASS POZI DR 4 015 1022 01 1 TERMINATOR COAXIAL 50 OHM 0 5W SMA 5 335 0370 00 1 MARKER IDENT ANTI STATIC LABEL 0 005 POLY 6 211 0088 00 8 SCREW MACHINE 2 56 X 0 281 FLH 82 DEG STL BK OXD POZ 7 380 1151 00 1 HOUSING SAMPLING MODULE TRIGGER PRESCALE LIMITING PREAMP 8 211 0087 00 2 SCREW MACHINE 2 56 X 0 188 FLH 82 DEG SST POZ 9 333 4392 00 1 PANEL FRONT TRIGGER PRESCALE LIMITING PREAMP AL A...

Page 107: ...00 1 PLATE FRICTION 3 384 1838 00 1 SHAFT SCREW LOCKDOWN 303 SST R05HDSCR 4 391 0239 00 1 LOCK SCREW MOUNTING BLOCK 5 335 0370 00 1 MARKER IDENT ANTI STATIC LABEL 6 211 0087 00 3 SCREW MACH 2 56 X 0 188 FLH POZ 7 380 1171 00 1 HOUSING SAMPLING HEAD ALUMINUM 8 333 4476 00 1 PANEL FRONT PHASE REF MODULE 9 335 1036 00 1 MARKER IDENT LABEL 82A04 MODULE 10 015 1022 01 1 TERMINATOR COAXIAL 50 OHM 0 5W S...

Page 108: ...Replaceable parts list End of service manual 92 DSA8300 Digital Serial Analyzer and Modules Service Manual ...

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