Tektronix CSA7404B Service Manual Download Page 298

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Troubleshooting

6- 78

CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual

Table 6- 9: POST codes (Cont.)

Displayed
error code

Error message

Displayed
error code

Error message

07h

CPU initialization and CPU data area initialization
to be done.

80h

Keyboard test started. Clearing output buffer,
checking for stuck key, to issue keyboard reset
command.

08h

CMOS checksum calculation to be done next.

81h

Keyboard reset error/stuck key found.

0Bh

Any initialization before keyboard BAT to be done
next.

82h

Keyboard controller interface test over.

0Ch

KB controller I/B free. To issue the BAT command
to keyboard controller.

83h

Command byte written, global data initialization
done.

0Eh

Any initialization after KB controller BAT to be done
next.

84h

Lock--key checking over.

0Fh

Keyboard command byte to be written.

85h

Memory size check done.

10h

Going to issue Pin--23,24 blocking/unblocking
command.

86h

Password checked.

11h

Going to check pressing of <INS>, <END> key
during power--on.

87h

Programming before setup complete.

12h

To initialization CMOS if ”Init CMOS in every boot”
is set or <END> key is pressed. Going to disable
DMA and Interrupt controllers.

88h

Returned from CMOS setup program and screen is
cleared.

13h

Video display is disabled and port--B is initialized.
Chipset initialization about to begin.

89h

Programming after setup complete.

14h

8254 timer test about to start.

8Bh

First screen message displayed. <WAIT .>
message displayed.

19h

About to start memory refresh test.

8Ch

Setup options programming after CMOS setup
about to start.

1Ah

Memory Refresh line is toggling. Going to check
15

s ON/OFF time.

8Dh

Going for hard disk controller reset.

23h

To read 8042 input port and disable Megakey
GreenPC feature. Make BIOS code segment
writable.

8Fh

Hard disk controller reset done.

24h

To do any setup before Int vector initialization.

91h

Floppy setup complete.

25h

Interrupt vector initialization to begin. To clear
password if necessary.

95h

Init of different buses optional ROMs from C800 to
start.

27h

Any initialization before setting video mode to be
done.

96h

Going to do any initialization before C800 optional
ROM control.

28h

Going for monochrome mode and color mode
setting.

97h

Any initialization before C800 optional ROM control
is over.

2Ah

Different buses initialization (system, static, output
devices) to start if present.

98h

Optional ROM control is done.

2Bh

To give control for any setup required before
optional video ROM check.

99h

Initialization required after optional ROM test over.

Summary of Contents for CSA7404B

Page 1: ...B 071 1227 04 This document applies to firmware version 3 0 0 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 CSA7000B Series Revision C ...

Page 2: ...d and pending Information in this publication supercedes 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 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support H In North America call 1 800 83...

Page 3: ...s duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or ...

Page 4: ......

Page 5: ...1 3 Measurement Features 1 3 Trigger Features 1 4 Convenience Features 1 4 Specification Tables 1 5 Certifications and Compliances 1 28 Operating Information Operating Information 2 1 Installation 2 1 Before You Start 2 1 Environmental Considerations 2 1 Connect the Peripherals 2 1 Power On the Instrument 2 4 Powering Off the Instrument 2 5 Software Installation 2 5 Operating Information 2 7 Back ...

Page 6: ...5 Check DC Voltage Measurement Accuracy 4 45 Check DC Gain Accuracy 4 49 Check Offset Accuracy 4 68 Check Maximum Input Voltage 4 73 Check Analog Bandwidth 4 77 Check Delay Between Channels 4 82 Check Channel Isolation Crosstalk 4 86 Check Input Impedance 4 90 Time Base System Checks 4 92 Check Long Term Sample Rate and Delay Time Accuracy and Reference 4 92 Check Delta Time Measurement Accuracy 4...

Page 7: ...s 6 2 Interior Cleaning 6 3 Exterior Cleaning 6 4 Flat Panel Display Cleaning 6 4 Removal and Installation Procedures 6 9 Preparation 6 9 Procedures for External Modules 6 11 Procedures for Modules 6 23 Troubleshooting 6 65 Service Level 6 65 Check for Common Problems 6 65 Equipment Required 6 67 Fault Isolation Procedure 6 67 PPC and MicroATX PC Diagnostics 6 72 Software Updates 6 75 After Repair...

Page 8: ...l Options Options 7 1 Accessories 7 3 Electrical Parts List Electrical Parts List 8 1 Diagrams Symbols 9 1 Mechanical Parts List Parts Ordering Information 10 1 Module Servicing 10 1 Using the Replaceable Parts List 10 2 Abbreviations 10 2 Mfr Code to Manufacturer Cross Index 10 2 ...

Page 9: ...tial test hookup 4 50 Figure 4 10 Measurement of DC gain accuracy 4 67 Figure 4 11 Initial test hookup 4 69 Figure 4 12 Measurement of offset accuracy 4 72 Figure 4 13 Initial test hookup 4 74 Figure 4 14 Check of maximum input voltage 4 76 Figure 4 15 Initial test hookup 4 78 Figure 4 16 Measurement of analog bandwidth 4 80 Figure 4 17 Initial test hookup 4 83 Figure 4 18 Measurement of channel d...

Page 10: ...sitioning of the impulse 4 135 Figure 4 46 Optical impulse response 4 136 Figure 4 47 Equipment setup for maximum amplitude 4 138 Figure 6 1 Line fuse and line cord removal 6 12 Figure 6 2 Knob removal 6 13 Figure 6 3 Trim removal 6 15 Figure 6 4 Bottom cover removal 6 16 Figure 6 5 Cover removal 6 18 Figure 6 6 Cover removal 6 19 Figure 6 7 External modules 6 20 Figure 6 8 Internal modules 6 21 F...

Page 11: ...ure 6 36 Bridge board removal 6 55 Figure 6 37 Acquisition circuit board removal 6 57 Figure 6 38 Front panel combination assembly removal 6 58 Figure 6 39 TekConnect board and TekConnect bucket removal 6 59 Figure 6 40 Acquisition circuit board removal 6 62 Figure 6 41 Front panel combination assembly removal 6 63 Figure 6 42 TekConnect board and TekConnect bucket removal 6 64 Figure 6 43 Primary...

Page 12: ...ental specifications 1 27 Table 2 1 Additional accessory connection information 2 2 Table 2 2 Line fuses 2 4 Table 4 1 Vertical settings 4 9 Table 4 2 Test equipment 4 18 Table 4 3 DC Voltage measurement accuracy 4 47 Table 4 4 Gain accuracy 4 51 Table 4 5 Offset accuracy 4 70 Table 4 6 Maximum input voltage limit 4 75 Table 4 7 Analog bandwidth 4 79 Table 4 8 Delay between channels worksheet 4 85...

Page 13: ...iagnostic tests 6 72 Table 6 7 Action required for module replaced 6 76 Table 6 8 BIOS Error messages 6 76 Table 6 9 POST codes 6 77 Table 6 10 Different bus routines upper nibble high byte functions 6 81 Table 6 11 Beep codes 6 81 Table 6 12 DIP switch functions 6 82 Table 6 13 Diagnostic LED 6 83 Table 7 1 Options 7 1 Table 7 2 Standard accessories 7 3 Table 7 3 Optional accessories 7 4 ...

Page 14: ...Table of Contents x CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 15: ...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 The inputs are not rated for connection to mains or Category II III or IV circuits Connect the probe refere...

Page 16: ...y conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property These terms may appear on the product H DANGER indicates an injury hazard immediately accessible as you read the marking H WARNING indicates an injury hazard not immediately accessible as you read the marking...

Page 17: ...nts 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...

Page 18: ...Service Safety Summary xiv CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 19: ...s are reused or recycled appropriately The symbol shown to the left indicates that this product complies with the European Union s requirements according to Directive 2002 96 EC on waste electrical and electronic equipment WEEE For information about recycling options check the Support Service section of the Tektronix Web site www tektronix com Mercury Notification This product uses an LCD backligh...

Page 20: ...Environmental Considerations xvi CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 21: ... introductions provide important information needed to do the service correctly safely and efficiently Manual Conventions This manual uses certain conventions that you should become familiar with before attempting service Throughout this manual any replaceable component assembly or part is referred to by the term module A module is composed of electrical and mechanical assemblies circuit cards int...

Page 22: ...lowing related manuals are available for this instrument H CSA7000B TDS7000B User manual Tektronix part number 071 1227 XX H CSA7000B TDS7000B Reference manual Tektronix part number 071 0880 XX H CSA7000 TDS7000 TLA600 OTS9000 Series Rackmount Kit Option 1R Instructions Tektronix part number 071 0716 XX ...

Page 23: ...Specifications ...

Page 24: ......

Page 25: ...n an ambient temperature between 20 C and 30 C 68 F and 86 F H The instrument must be operating within the environmental limits listed in Table 1 12 on page 1 27 H The instrument must be powered from a source that meets the specifications listed in Table 1 10 on page 1 25 H The instrument must have been operating continuously for at least 20 min utes within the specified operating temperature rang...

Page 26: ...ls or intermittent signal irregularities Long Record Lengths Choose record lengths from 500 points up to 500 000 points per channel up 2 000 000 points on a single channel Extend the maximum record length up to a maximum of 64 000 000 points with memory options Peak Detect Acquisition Mode See pulses as narrow as 400 ps even at the slower time base settings Peak detect helps you see noise and glit...

Page 27: ... analyzer controls such as span and center frequency Color LCD Display Identify and differentiate waveforms easily with color coding Waveforms readouts and inputs are color matched to increase productivity and reduce operating errors Enhance visualization of waveforms with color grading Digital Phosphor The instrument can clearly display intensity modulation in your signals The instrument automati...

Page 28: ...omm Triggers Optional on TDS7000B Series Use comm triggers to trigger on communication signals Serial Triggers Optional on TDS7000B Series Use serial triggers to trigger on serial pattern data Recovered Clock and Data Triggers Use recovered clock and data internally to trigger your waveforms They are also available externally CSA7000B Series only Autoset Use Autoset to quickly set up the vertical ...

Page 29: ...for storage and retrieval of data The instrument has GPIB USB Centronics and Ethernet ports for input and output to other devices Online Help The instrument has a complete online help system that covers all features The help system is context sensitive help for the displayed control window is automatically shown if you touch the help button Graphical aids in the help windows assist you in getting ...

Page 30: ...ings for temperatrues 45 C 6 0 VRMS for 100 mV settings for temperatrues 45 C Number of digitized bits 8 bits Sensitivity range Fine adjustment available with 1 resolution 2 mV div to 1 V division in a 1 2 5 sequence DC gain accuracy Net offset is the nominal voltage that must be applied to the channel to bring the trace to center screen Net offset offset position volts division and is expressed i...

Page 31: ... voltage measurement between any two averages of 16 waveforms acquired under the same setup and ambient conditions 2 mV div to 3 98 mV div 2 5 6 net offset 1V reading 0 16 division V division setting ambient conditions 4 mV div to 99 5 mV div 2 2 net offset 1V reading 0 16 division V division setting 100 mV div to 1 V div 2 2 net offset 10V reading 0 16 division V division setting Net offset is th...

Page 32: ...1 digitization level DL differential 2 DL integral independently based Nonlinearity typical 1 digitization level DL differential 2 DL integral independently based Analog bandwidth DC 50 Ω coupling Full bandwidth TCA SMA or TCA N adapter operating ambient 15 C 0 C for TDS7 54B and 7154 to 50 C 59 F to 122 F derated by 15 C 0 C for TDS7 54B and 7154 to 50 C 59 F to 122 F derated by 30 MHz C below 15...

Page 33: ...5 GHz 10 mV div DC to 3 5 GHz Analog bandwidth with P7260 active probe or TCA BNC adapter typical TDS7704B Operating ambient 15 C to 30 C 59 F to 86 F at V div 10 mV div derated by 20 MHz C above 30 C 86 F TDS7704B SCALE range Bandwidth 2 mV div to 3 9 mV div DC to 1 GHz 4 mV div to 9 9 mV div DC to 1 25 GHz 10 mV div DC to 6 GHz Calculated rise time typical 1 TDS7704B 62 ps CSA7404B TDS7404B 100 ...

Page 34: ...et is the nominal voltage that must be applied to the channel to bring the trace to center screen Net offset offset position volts division Offset accuracy is the accuracy of this voltage level CSA7404B TDS7404B TDS7154B TDS SCALE range Offset accuracy TDS7254B 2 mV div to 9 95 mV div 0 2 net offset 1 5 mV 0 1 div V div setting 10 mV div to 99 5 mV div 0 35 net offset 1 5 mV 0 1 div V div setting ...

Page 35: ...TDS7404B only 4 9 bits 5 GHz TDS7704B only 4 5 bits 6 GHz TDS7704B only 3 5 bits 7 GHz TDS7704B only 3 0 bits Delay between channels 30 ps between any two channels with the same scale and coupling settings Channel to channel crosstalk 15 1 at rated bandwidth CSA7404B TDS7704B TDS7404B TDS7254Bonly and 80 1 at 1 5 GHz or the rated bandwidth whichever is less Assumes two channels with the same scale...

Page 36: ...f active channels and the record length options installed Maximum record length is less in serial trigger mode Standard 500 000 points 3 or 4 channels 1 000 000 points 1 or 2 channels only 1 000 000 points 1 or 2 channels only 2 000 000 points 1 channel only Option 2M installed 2 000 000 points 3 or 4 channels 4 000 000 points 1 or 2 channels only 8 000 000 points 1 channel only Option 3M installe...

Page 37: ...tect acquisition mode depending on memory option installed depending on memory option installed Frame length Maximum number of frames 50 points Standard 648 5872 Option 2M 2660 24088 Option 3M 5321 48192 Option 4M 5321 48192 Option 5M 10644 96408 500 points Standard 580 3560 Option 2M 2381 14632 Option 3M 4765 29272 Option 4M 4765 29272 Option 5M 9531 58552 5000 points Standard 163 720 Option 2M 6...

Page 38: ...Short term 2 ps rms records having duration 100 ms 800 fs rms records having duration 10 s Long term 15 parts per trillion rms records having duration 1 minute Time base delay time range 5 ns to 250 s n Delta time measurement accuracy For a single channel with signal amplitude 5 divisions reference level set at 50 interpolation set to sin x x with risetime 1 4 Ts and 4 Ts or 150 ps whichever is gr...

Page 39: ...t 2 5 GHz TDS7154B 1 div at 1 5 GHz Delayed trigger DC coupled 0 5 div from DC to 50 MHz CSA7404B TDS7704B TDS7404B 1 5 div at 3 GHz TDS7254B 1 div at 2 5 GHz TDS7154B 1 div at 1 5 GHz Auxiliary input DC coupled 150 mV from DC to 50 MHz increas ing to 500 mV at 2 5 GHz typical between 2 and 2 5 GHz Edge Trigger Sensitivity either slope DC l d t i l All sources for vertical scale settings 10 mV div...

Page 40: ...tes signals 20 kHz LF REJ Same as DC coupled limits for frequen cies 200 kHz attenuates signals 200 kHz Auxiliary trigger input characteristics typical 50 Ω 10 5 V DC peak AC Lowest frequency for Set Level to 50 typical 50 Hz Advanced trigger sensitivity typical For vertical scale settings 10 mV div and 1 V div Advanced triggers 1 0 div from DC to 1 GHz at the TekConnect connector Advanced trigger...

Page 41: ...anges Limits Glitch type 340 ps to 1 s Runt type time qualified 340 ps to 1 s Width type 340 ps to 10 s Timeout type 340 ps to 1 s Transition type 340 ps to 1 s Pattern type 340 ps to 1 s Window type 340 ps to 1 s Setup Hold type Setup and Hold timers Limits Setup time time from data transition to clock edge 100 ns to 100 ns Hold time time from clock edge to data transition 1 ns to 102 ns Setup ti...

Page 42: ...ger Source Accuracy Any channel 2 setting net offset 0 35 div volts div setting offset accuracy 10 mV div only Auxiliary Not specified where net offset offset position volts division B Event Delayed trigger Trigger After Time Trigger on nth Event Range Delay time 5 ns to 250 s Event count 1 to 107 Minimum pulse width typical 250 ps Minimum time between events typical 1 ns Trigger position error ty...

Page 43: ...long with regenerated data CSA7000B Series only Clock recovery jitter typical 0 25 bit period 2 ps rms for PRBS data patterns 0 25 bit period 1 2 ps rms for repeating 01 data patterns Clock recovery tracking acquisition range typical 2 of requested baud Minimum signal amplitude needed for clock recovery typical 1 division p p up to 1 25 GBd 1 5 divisions p p above 1 25 GBd Table 1 6 Display specif...

Page 44: ...nector supports the following modes standard output only bidirectional PS 2 compatible bidirectional enhanced parallel port IEEE 1284 standard mode 1 or mode 2 v 1 7 bidirectional high speed extended capabilities port ECP Serial port DB 9 COM1 port uses NS16C550 compatible UARTS transfer speeds up to 115 2 kb s Keyboard port PS 2 compatible instrument must be powered down to make connection Mouse ...

Page 45: ... load Vol 500 mV Voh 0 V typical 1 kHz 5 1 V from base to top 20 into a 1 ΜΩ load Vol 1 0 V Voh 0 V typical n Analog Signal Output amplitude BNC connector provides a buffered version of the signal that is attached to the channel 3 input when channel 3 is the trigger source 20 mV div 20 into a 1 MΩ load 20 mV div 20 into a 1 MΩ load 10 mV div 20 into a 50 Ω load Offset between 100 mV and 170 mV int...

Page 46: ...0 Ω load 0 7 V with 4 ma sink 0 25 V into 50 Ω load Serial data output baud rate range CSA7000B Series only Fbaud 1250 MBd Output swing of 1010 repeating pattern at this baud will be at least 200 mV into 50 Ω Serial clock output frequency range CSA7000B Series only Peak to peak output swing at 625 MHz is at least 200 mV p p into 50 Ω Higher frequencies are further attenuated by approximately 6 dB ...

Page 47: ...me setup and ambient conditions 2 2 net offset 1 mW reading 0 16 div W div Excludes normal variations due to fiber connection to the front of the instrument nOptical Channel Bandwidth includes O E O E to TekConnect adaptor and instrument 5 _C to 25 _C 2 4 GHz DC conversion gain linearity 4 mV div 4 5 6 net offset 4 mV div to 99 5 mV div 4 2 net offset 100 mV div to 1 0 V div 4 2 net offset 10 Abso...

Page 48: ...H1 input adapter and instrument Maximum falling edge 10 to 2 settling time ORR disabled typical The step response to a fast optical square OFF edge reaches toc within 2 of the final 0 level within 2 ns after the 10 transition point Smallest average power for mask test sensitivity typical 1310 nm and 1550 nm 40 W peak to peak 20 W 17 dBm average power assuming 50 average duty cycle 780 nm and 850 n...

Page 49: ...acteristic Description Power consumption 600 Watts 900 VA Source voltage and frequency 100 to 240 V 10 50 Hz to 60 Hz 115 V 10 400 Hz CAT II Fuse rating Either one of the following sizes can be used each size requires a different fuse cap Both fuses must be the same type Line and Neutral are fused 0 25 in 1 25 in size UL198G and CSA C22 2 No 59 fast acting 8 A 250 V Tektronix part number 159 0046 ...

Page 50: ... 9 in height 330 mm 13 in with feet extended 455 mm 17 9 in width 426 mm 16 75 in depth Rackmount configuration Option 1R With rack handles Without rack handles 267 mm 10 5 in height 502 mm 19 75 in width 486 mm 19 13 in depth 267 mm 10 5 in height 482 mm 19 in width 435 mm 17 13 in depth Cooling Fan forced air circulation with no air filter Required clearances Top 0 mm 0 in Bottom 19 mm 0 75 in m...

Page 51: ...of 29 C 84 F at or below 50 C 122 F noncondensing Upper limit derates to 25 relative humidity at 50 C 122 F Nonoperating With no diskette in floppy disk drive 20 to 90 relative humidity with a maximum wet bulb temperature of 29 C 84 F at or below 60 C 140 F noncondensing Upper limit derates to 20 relative humidity at 60 C 140 F Altitude operating 3 048 m 10 000 ft Nonoperating 12 190 m 40 000 ft R...

Page 52: ... 3 Voltage changes fluctuations and flicker Complies with EMC provision of Radiocommunications Act per these stan dard s H AS NZS 2064 1 2 Industrial Scientific and Medical Equipment 1992 1 Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object 2 If interconnect cables are used they must be low EMI shielded cables such as the followi...

Page 53: ...t for which they are rated H Polution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms H Polution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typical office home envi...

Page 54: ...d at the source of low voltage installation H Measurement Category III For measurements performed in the building installation H Measurement Category II For measurements performed on circuits directly connected to the low voltage installation H Measurement Category I For measurements performed on circuits not directly connected to MAINS Overvoltage Category II as defined in IEC 61010 1 Installatio...

Page 55: ...Operating Information ...

Page 56: ......

Page 57: ...he instrument is designed to operate on a bench or on a cart in the normal position on the bottom feet For proper cooling at least three inches 7 62 cm of clearance is required on both sides of the instrument and the bottom requires the clearance provided by the instrument feet If you operate the instrument while it is resting on the rear feet make sure that you properly route any cables coming ou...

Page 58: ...5 connector use the adapter cable that came with your printer to connect to the EPP connector For information on printer usage see Printing Waveforms in your user instrument manual Rackmount Refer to the CSA7000 TDS7000B Series Rackmount Installation Instructions for information on installing the rackmount kit Other Refer to the Application release notes on your product CD set for possible additio...

Page 59: ... only for dual display operation Printer RS 232 Network Keyboard Mouse USB Compact disk drive GPIB Instrument monitor large screen instrument display Description Icon Label Locations Audio line out Removable hard drive or floppy Audio line in Figure 2 1 Locations of peripheral connectors on rear panel ...

Page 60: ... 00 5 x 20 mm 6 3 A fast blow 250 V 159 0381 00 200 2265 00 Fuses AC power Power switch Figure 2 2 Line fuse and power cord connector locations rear panel CAUTION Connect the keyboard mouse and other accessories before applying power to the product 2 Connect the power cord 3 If you have an external monitor connect the power cord and power on the monitor 4 Turn the Power switch on at the rear panel...

Page 61: ...g installation procedures This file contains additional installation and operation information that supercedes other product documentation To view the README TXT file open the Notepad Windows accessory and open the file on the product software CD After installation you can also read the copy from a directory on the product C Program Files TekScope ReadMe txt Operating System Restoration Use the pr...

Page 62: ...ument Software Lock for Upgrades You can use the LockUpgrades utility to prevent users from installing unauthorized firmware upgrades on the instrument This utility requires that a user enter a password before an upgrade can be installed To use the utility run the LockUpgrades exe file and follow the on screen instructions The LockUpgrades exe file is in the following directory C Program Files Tek...

Page 63: ...oint to Programs Accessories System Tools and then click Backup 3 Use the Microsoft Backup tool to select your backup media and to select the files and folders that you want to back up Use the online help for informa tion on using the Backup tool You can back up to the floppy drive or to a third party storage device over the printer port rear panel This section shows the main parts of the user int...

Page 64: ...re along with cursors Readouts Display cursor readouts and measurement readouts in this area selectable from the menu bar or tool bar Controls Status Quick reference to vertical horizontal and trigger selections scale and parameters Multipurpose Knob Readouts Adjust parameters controlled by multipurpose knobs Buttons Menu Touch to toggle between tool bar and menu bar modes Waveform Handle Touch an...

Page 65: ...ls Press to return settings to default values Turn channel displays on and off Adjust the vertical scale and position Horizontally scale position delay and set record length resolution of selected waveform Turn knob to adjust waveform intensity Press to turn cursors on or off Turn the multipurpose knobs to adjust parameters selected from the screen interface Press a Fine button to toggle between n...

Page 66: ...drive Recovered clock output Optical input O E converter electrical output Probe compensation output Ground terminal Channel inputs Recovered data output Floppy disk drive Auxiliary trigger input Auxiliary trigger output CH 3 SIGNAL OUTPUT scale and offset controlled by CH3 controls Probe compensation output Ground terminal Channel inputs CSA7000B Series TDS7000B Series Front Panel I O Map ...

Page 67: ... 1 Select Instrument Calibration from the Utilities menu 2 Verify that the instrument has had a twenty minute warm up before continuing 3 Touch the Calibrate button to start the routine 4 Wait for the test to complete the test may take several minutes to complete 5 Verify that the word Pass appears under the Status label in the control window The user manual represents only part of the assistance ...

Page 68: ...nu bar mode you can access the help system from the drop down help menu Select Help on Window to display help on the current control window Select Contents and Index to display the standard Windows Contents Index and Find tabs You can also select other topics from the Help menu such as information on Technical Support or product specifications Moving the Help Topics to View the Instrument Display ...

Page 69: ...Theory of Operation ...

Page 70: ......

Page 71: ... The instrument features an XGA resolution flat panel display a transparent touch screen and a front panel with direct access to commonly used instrument functions You can also use the instrument with a mouse pointing device or keyboard A signal enters the instrument through a direct coaxial connection to the input connector or a probe connected to the front panel Acquisition Board The acquisition...

Page 72: ...he display board sends information from the touch panel to the processor Any changes in settings are reported to the processor system The ATX board reads the front panel switches and encoders Any changes in their settings are reported to the processor system The ATX board also turns the LEDs on and off Menu Switches Front panel menu switches are also read by the ATX board The touch screen processo...

Page 73: ... microphone input and earphone output exist on the ATX rear panel Ethernet connector is RJ 45 Keyboard and mouse are both PS 2 The low voltage power supply is a switching power converter with active power factor control It supplies power to all of the circuitry in the instrument The principal POWER switch located on the rear panel controls all power to the instrument including the Low Voltage Powe...

Page 74: ...Theory of Operation 3 4 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 75: ...Performance Verification ...

Page 76: ......

Page 77: ...t do the Self Tests just mentioned then do the brief procedures under Functional Tests that begin on page 4 6 Advantages These procedures require minimal additional time to perform require no additional equipment other than a BNC cable and BNC to SMA adapter or a TCA BNC adapter and these procedures more completely test the internal hardware of the instrument They can be used to quickly determine ...

Page 78: ...Second Subpart b Second Substep 2 Second Step H In steps and substeps the lead in statement in italics instructs you what to do while the instructions that follow tell you how to do it as in the example step below Initialize the instrument Push the front panel DEFAULT SETUP button STOP The STOP notation at the left is accompanied by information you must read to do the procedure properly H The term...

Page 79: ...r mode Click here to change to toolbar mode Menu bar Toolbar Figure 4 1 Toolbar and menu bar CSA7000B Series shown H The procedures assume you have connected a mouse to the instrument so you can click on the screen controls If you have not connected a mouse you can use the touch screen to operate all the screen controls ...

Page 80: ...Performance Verification 4 4 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 81: ...s Power on the instrument and allow a 20 minute warm up before doing this procedure 1 Verify that internal diagnostics pass Do the following substeps to verify passing of internal diagnostics a Display the System diagnostics menu H If the instrument is in toolbar mode click the MENU button to put the instrument into menu bar mode H Pull down the Utilities menu and select Instrument Diagnos tics Th...

Page 82: ...the instrument calibration control window 2 Return to regular service Click the Close button to exit the instrument calibration control window Functional Tests The purpose of these procedures is to confirm that the instrument functions properly The only equipment required is a P7240 probe P7260 probe with TDS7704B a probe calibration and deskew fixture a BNC cable BNC to SMA adapter or TCA BNC ada...

Page 83: ... may already be selected its label will be highlighted If this is the case it is not necessary to press the button Equipment required One P7240 probe P7260 probe for TDS7704B One 067 0405 xx 067 0484 xx for TDS7704B probe calibration and deskew fixture One BNC cable such as Tektronix part number 012 0076 xx or the cable that came with the deskew fixture 012 0208 xx Prerequisites None 1 Initialize ...

Page 84: ...N output to the A input of the Probe Calibration and Deskew Fixture Remove the jumper GAIN CAL connections TDS7704B BNC cable from the PROBE COMPENSATION output to the GAIN CAL SIG input on the fixture NOTE If a probe is not available connect the probe compensation output to the channel input using a BNC cable and adapters 067 0405 xx 067 0484 xx Figure 4 2 Universal test hookup for functional tes...

Page 85: ...ll down the Vert menu select Vertical Setup and then touch Offset Confirm that the Ch1 Offset is about 0 18 to 0 54 V depending on the probe used 0 0 V if not using a probe 6 Verify that the channel is operational Confirm that the following statements are true H Verify that the vertical scale readout and the waveform amplitude for the channel under test are as shown in Table 4 1 Table 4 1 Vertical...

Page 86: ...ively acquiring waveform on screen with the noise present in Sample mode peak detected H Hi Res mode displays an actively acquiring waveform on screen with the noise that was present in Sample mode reduced H Average mode displays an actively acquiring waveform on screen with the noise reduced H Envelope mode displays an actively acquiring waveform on screen with the noise displayed H Waveform Data...

Page 87: ... wave probe compensation signal is about five horizontal divisions on screen for the 200 s div horizontal scale setting H Rotating the horizontal SCALE knob clockwise expands the waveform on screen more horizontal divisions per waveform period counter clockwise rotation contracts it and returning the horizontal scale to 200 s div returns the period to about five divisions H The horizontal POSITION...

Page 88: ... toggle function H Rotate the front panel horizontal POSITION knob to center the falling edge horizontally on the screen H Change the horizontal SCALE to 40 ns div The rising edge of the waveform should remain near the center graticule H Readjust the delay setting to position the rising edge 2 divisions to the right of the center graticule line H Push the front panel DELAY button several times to ...

Page 89: ...ob H The trigger LEVEL knob can trigger and untrigger the square wave signal as you rotate it Leave the signal untriggered H Pushing the front panel trigger LEVEL knob sets the trigger level to the 50 amplitude point of the signal and triggers the signal that you just left untriggered Leave the signal triggered 7 Verify that the delayed trigger system operates a Set up the delayed trigger H Pull d...

Page 90: ...emove the test hookup Disconnect the BNC cable from the channel input and the probe compensation output Equipment required One BNC cable such as Tektronix part number 012 0076 00 One TCA BNC adapter One 1 44 Mbyte 3 5 inch DOS compatible formatted disk Prerequisites None 1 Initialize the instrument Push the front panel DEFAULT SETUP button 2 Hook up the signal source Connect the BNC cable from the...

Page 91: ...e floppy disk d Note the default file name and then click the Save button to save the setup to the default file name 9 Change the settings again Set the horizontal SCALE to 200 s div 10 Verify the file system works a Click the Recall Setups tab in the control window b Click the Recall button under Recall settings from file in the control window This displays a familiar Windows dialog box for locat...

Page 92: ...Brief Procedures 4 16 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 93: ...lity when the following requirements are met H The cabinet must be installed on the instrument H You must have performed and passed the procedures under Self Tests found on page 4 5 and those under Functional Tests found on page 4 6 H A signal path compensation must have been done within the recommended calibration interval and at a temperature within 5 _C of the present operating temperature If a...

Page 94: ...gnal termination for channel delay test 4 Cable Precision 50 Ω Coaxial three required 50 Ω 36 in male to male BNC connectors Tektronix part number 012 0482 00 Signal interconnection 5 Connector Dual Banana two required Female BNC to dual banana Tektronix part number 103 0090 00 Various accuracy tests 6 Connector BNC T Male BNC to dual female BNC Tektronix part number 103 0030 00 Checking trigger s...

Page 95: ...3 0045 00 Checking analog bandwidth 16 Adapter Female N to male BNC Tektronix part number 103 0058 00 Checking analog bandwidth 17 Adapter three required SMA female to female Tektronix part number 015 1012 00 Checking the delay between channels 18 Adapter three required SMA male to female BNC Tektronix part number 015 1018 00 Checking the delay between channels 19 Adapter four required SMA male to...

Page 96: ...33 Adapter O E electrical out to SMA Tektronix part number 013 0326 00 Used to test O E converter 34 Cable fiber optic two required multimode 2 m FC PC to FC PC Tektronix part number 174 2322 00 Tektronix part number 174 1910 00 35 Attenuator optical 30mm 10 dB FC to FC female to male Tektronix part number 119 5118 00 Tektronix part number 119 5118 00 36 Cable coaxial 50 Ω 39 37 in 1 0m male to ma...

Page 97: ..._______ 5 0607 V CH1 100 mV Vert scale setting 5 Div position setting 4 8 V offset 5 0607 V __________ __________ 4 9393 V CH1 1 0 V Vert scale setting 5 Div position setting 2 5 V offset 4 1738 V __________ __________ 4 8263 V CH1 1 0 V Vert scale setting 5 Div position setting 2 5 V offset 4 8263 V __________ __________ 4 1738 V CH2 2 mV Vert scale setting 5 Div position setting 0 5 V offset 512...

Page 98: ..._____ __________ 4 9393 V CH3 1 0 V Vert scale setting 5 Div position setting 2 5 V offset 4 1738 V __________ __________ 4 8263 V CH3 1 0 V Vert scale setting 5 Div position setting 2 5 V offset 4 8263 V __________ __________ 4 1738 V CH4 2 mV Vert scale setting 5 Div position setting 0 5 V offset 512 79 mV __________ __________ 519 21 mV CH4 2 mV Vert scale setting 5 Div position setting 0 5 V o...

Page 99: ... V offset 4 1475 V __________ __________ 4 8525 V CH1 1 0 V Vert scale setting 5 Div position setting 2 5 V offset 4 8525 V __________ __________ 4 1475 V CH2 2 mV Vert scale setting 5 Div position setting 0 5 V offset 511 99 mV __________ __________ 520 01 mV CH2 2 mV Vert scale setting 5 Div position setting 0 5 V offset 520 01 mV __________ __________ 511 99 mV CH2 50 mV Vert scale setting 5 Di...

Page 100: ...____ __________ 4 8525 V CH3 1 0 V Vert scale setting 5 Div position setting 2 5 V offset 4 8525 V __________ __________ 4 1475 V CH4 2 mV Vert scale setting 5 Div position setting 0 5 V offset 511 99 mV __________ __________ 520 01 mV CH4 2 mV Vert scale setting 5 Div position setting 0 5 V offset 520 01 mV __________ __________ 511 99 mV CH4 50 mV Vert scale setting 5 Div position setting 0 5 V ...

Page 101: ...tting 0 5 V offset 147 1 mV 147 1 mV __________ __________ __________ __________ 156 9 mV 156 9 mV CH1 50 mV Vert scale setting 0 Di i i i 0 V ff 372 4 V 387 6 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 372 4 mV 366 7 mV __________ __________ 387 6 mV 393 3 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 366 7 mV 366 7 mV __________ _______...

Page 102: ... 1 mV __________ __________ __________ __________ 156 9 mV 156 9 mV CH2 50 mV Vert scale setting 0 Di i i i 0 V ff 372 4 V 387 6 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 372 4 mV 366 7 mV __________ __________ 387 6 mV 393 3 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 366 7 mV 366 7 mV __________ __________ __________ __________ 393 3...

Page 103: ... 1 mV __________ __________ __________ __________ 156 9 mV 156 9 mV CH3 50 mV Vert scale setting 0 Di i i i 0 V ff 372 4 V 387 6 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 372 4 mV 366 7 mV __________ __________ 387 6 mV 393 3 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 366 7 mV 366 7 mV __________ __________ __________ __________ 393 3...

Page 104: ... 1 mV __________ __________ __________ __________ 156 9 mV 156 9 mV CH4 50 mV Vert scale setting 0 Di i i i 0 V ff 372 4 V 387 6 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 372 4 mV 366 7 mV __________ __________ 387 6 mV 393 3 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 366 7 mV 366 7 mV __________ __________ __________ __________ 393 3...

Page 105: ...g 0 5 V offset 146 4 mV 146 4 mV __________ __________ __________ __________ 157 6 mV 157 6 mV CH1 50 mV Vert scale setting 0 Di i i i 0 V ff 370 5 V 389 5 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 370 5 mV 364 8 mV __________ __________ 389 5 mV 395 2 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 364 8 mV 364 8 mV __________ __________ ...

Page 106: ...6 4 mV 146 4 mV __________ __________ __________ __________ 157 6 mV 157 6 mV CH2 50 mV Vert scale setting 0 Di i i i 0 V ff 370 5 V 389 5 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 370 5 mV 364 8 mV __________ __________ 389 5 mV 395 2 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 364 8 mV 364 8 mV __________ __________ __________ ______...

Page 107: ...6 4 mV 146 4 mV __________ __________ __________ __________ 157 6 mV 157 6 mV CH3 50 mV Vert scale setting 0 Di i i i 0 V ff 370 5 V 389 5 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 370 5 mV 364 8 mV __________ __________ 389 5 mV 395 2 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 364 8 mV 364 8 mV __________ __________ __________ ______...

Page 108: ...6 4 mV 146 4 mV __________ __________ __________ __________ 157 6 mV 157 6 mV CH4 50 mV Vert scale setting 0 Di i i i 0 V ff 370 5 V 389 5 V g 0 Div position setting 0 V offset 5 Div position setting 0 5 V offset 370 5 mV 364 8 mV __________ __________ 389 5 mV 395 2 mV 5 Div position setting 0 5 V offset 5 Div position setting 0 5 V offset 364 8 mV 364 8 mV __________ __________ __________ ______...

Page 109: ...on setting 2 5 V offset 0 Div position setting 0 V offset 2 37625 V 115 mV __________ __________ 2 62375 V 115 mV 0 Div position setting 0 V offset 0 Div position setting 2 5 V offset 115 mV 2 62375 V __________ __________ __________ __________ 115 mV 2 37625 V CH2 2 mV Vert scale setting 0 Di i i i 0 5 V ff 497 3 V 502 7 V g 0 Div position setting 0 5 V offset 0 Div position setting 0 V offset 49...

Page 110: ...Div position setting 0 V offset 2 37625 V 115 mV __________ __________ 2 62375 V 115 mV 0 Div position setting 0 V offset 0 Div position setting 2 5 V offset 115 mV 2 62375 V __________ __________ __________ __________ 115 mV 2 37625 V CH4 2 mV Vert scale setting 0 Di i i i 0 5 V ff 497 3 V 502 7 V g 0 Div position setting 0 5 V offset 0 Div position setting 0 V offset 497 3 mV 1 7 mV __________ _...

Page 111: ... mV 4 91 V CH1 1 0 V Vert scale setting 2 5 V ff 2 3725 V 2 6275 V g 2 5 V offset 0 V offset 2 3725 V 115 mV __________ __________ 2 6275 V 115 mV 0 V offset 2 5 V offset 115 mV 2 6275 V __________ __________ __________ __________ 115 mV 2 3725 V CH2 2 mV Vert scale setting 0 5 V ff 496 55 V 503 45 V g 0 5 V offset 0 V offset 496 55 mV 1 7 mV __________ __________ 503 45 mV 1 7 mV 0 V offset 0 5 V...

Page 112: ...CH3 1 0 V Vert scale setting 2 5 V ff 2 3725 V 2 6275 V g 2 5 V offset 0 V offset 2 3725 V 115 mV __________ __________ 2 6275 V 115 mV 0 V offset 2 5 V offset 115 mV 2 6275 V __________ __________ __________ __________ 115 mV 2 3725 V CH4 2 mV Vert scale setting 0 5 V ff 496 55 V 503 45 V g 0 5 V offset 0 V offset 496 55 mV 1 7 mV __________ __________ 503 45 mV 1 7 mV 0 V offset 0 5 V offset 1 7...

Page 113: ...input Pass Pass __________ __________ __________ __________ N A N A CH3 1 V Vert scale setting CH3 1 V Vert scale setting 5 V input Pass __________ __________ N A 5 V input 10 V input Pass Pass __________ __________ __________ __________ N A N A CH4 50 mV Vert scale setting CH4 50 mV Vert scale setting 1 V input Pass __________ __________ N A 1 V input 3 V input Pass Pass __________ __________ ___...

Page 114: ... __________ __________ __________ __________ N A N A Analog bandwidth CH1 1 V 500 mV 200 mV 100 mV 50 mV 20 mV 10 mV 5 mV 2 mV 3 535 V 2 12 V 848 mV 424 mV 212 mV 84 8 mV 42 4 mV 21 2 mV 8 48 mV __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ N A N A...

Page 115: ... 1 CH 2 CH 3 CH 4 10 mV CH 1 CH 2 CH 3 CH 4 N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ _______...

Page 116: ..._________ __________ __________ __________ __________ __________ __________ __________ __________ 51 25 Ω 51 25 Ω 51 25 Ω 51 25 Ω 51 25 Ω 51 25 Ω 51 25 Ω 51 25 Ω Time base system Long term sample rate delay time and internal reference accuracy 9999 975 kHz __________ __________ 10000 025 kHz Delta time measurement N A __________ __________ 0 015 ns Trigger system accuracy Time accuracy for pulse g...

Page 117: ...ss __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ _...

Page 118: ...s Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ _______...

Page 119: ...A N A N A __________ __________ __________ __________ __________ __________ 2 6 W 3 6 W 6 6 W O E noise output maximum CSA7404B 1550 and 1310 nm 850 nm 750 nm N A N A N A __________ __________ __________ __________ __________ __________ 4 35 W 5 35 W 5 85 W O E gain 780 nm 850 nm 1310 nm 1550 nm 27 mV 33 mV 64 mV 64 mV __________ __________ __________ __________ __________ __________ __________ __...

Page 120: ...Performance Tests 4 44 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 121: ... Be sure to set the DC calibration generator to off or 0 volts before connecting disconnect ing and or moving the test hookup during the performance of this procedure Also check that the calibrator does not have shorting straps installed between the DC output sense input or grounds 1 Install the test hookup and preset the instrument controls a Hook up the test signal source H Set the output of a D...

Page 122: ...CH 1 first skipping substep 2a since CH 1 is already selected from step 1 a Select an unchecked channel H From the tool bar touch MEAS and then Clear to remove the previous measurement H Press the Vertical button of the channel just confirmed to remove the channel from the display H Press the front panel Vertical button that corresponds to the channel you are to confirm H Set the generator output ...

Page 123: ...3 mV 100 mV 5 4 8 V 5 0 V 4 9393 V to 5 0607 V 5 4 8 V 5 0 V 5 0607 V to 4 9393 V 1 V 5 2 5 V 4 5 V 4 1738 V to 4 8263 V 5 2 5 V 4 5 V 4 8263 V to 4 1738 V TDS7704B 2 mV 5 0 5 V 516 mV 511 99 mV to 520 01 mV 5 0 5 V 516 mV 520 01 mV to 511 99 V 50 mV 5 0 5 V 900 mV 879 75 mV to 920 25 mV 5 0 5 V 900 mV 920 25 mV to 879 75 mV 100 mV 5 4 8 V 5 0 V 4 9298 V to 5 0702 V 5 4 8 V 5 0 V 5 0702 V to 4 929...

Page 124: ...Figure 4 8 Turn on the measurement called mean and read the results here Figure 4 8 Measurement of DC accuracy at maximum offset and position f Check against limits H CHECK that the readout for the measurement readout on screen is within the limits listed for the current vertical scale and position off set generator settings Enter value on test record H Repeat substep d reversing the polarity of t...

Page 125: ...tor to off or 0 volts before connecting disconnect ing and or moving the test hookup during the performance of this procedure Also check that the calibrator does not have shorting straps installed between the DC output sense input or grounds 1 Install the test hookup and preset the instrument controls a Hook up the test signal source H Set the output of a DC calibration generator to off or 0 volts...

Page 126: ...ipping substep 2a since CH 1 is already selected from step 1 a Select an unchecked channel H From the tool bar touch MEAS and then Clear to remove the previous measurement H Press the Vertical button of the channel just confirmed to remove the channel from the display H Press the front panel Vertical button that corresponds to the channel you are to confirm H Set the generator output to 0 V H Move...

Page 127: ...B CH1 2 mV 0 0 V 7 60 mV 14 80 mV to 15 60 mV 7 60 mV 5 0 5 V 517 6 mV 14 40 mV to 16 00 mV 502 4 mV 5 0 5 V 502 4 mV 14 40 mV to 16 00 mV 517 6 mV 5 mV 0 0 V 19 0 mV 37 24 mV to 38 76 mV 19 0 mV 5 0 5 V 544 mV 36 84 mV to 39 16 mV 506 mV 5 0 5 V 506 mV 36 84 mV to 39 16 mV 544 mV 10 mV 0 0 V 38 0 mV 74 48 mV to 77 52 mV 38 0 mV 5 0 5 V 588 mV 73 64 mV to 78 36 mV 512 mV 5 0 5 V 512 mV 73 64 mV to...

Page 128: ...0 mV 0 0 V 380 mV 744 8 mV to 775 2 mV 380 mV 0 4 5 V 4 88 V 738 0 mV to 782 0 mV 4 12 V 0 4 5 V 4 12 V 738 0 mV to 782 0 mV 4 88 V 200 mV 0 0 V 760 mV 1 490 V to 1 550 V 760 mV 2 4 6 V 4 96 V 1 477 V to 1 563 V 3 44 V 2 4 6 V 3 44 V 1 477 V to 1 563V 4 96 V 500 mV 0 0 V 1 90 V 3 724 V to 3 876 V 1 90 V 4 5 V 4 90 V 3 701 V to 3 899 V 1 10 V 4 5 V 1 10 V 3 701 V to 3 899 V 4 90 V 1 V 0 0 V 3 80 V ...

Page 129: ...17 6 mV 5 mV 0 0 V 19 0 mV 37 24 mV to 38 76 mV 19 0 mV 5 0 5 V 544 mV 36 84 mV to 39 16 mV 506 mV 5 0 5 V 506 mV 36 84 mV to 39 16 mV 544 mV 10 mV 0 0 V 38 0 mV 74 48 mV to 77 52 mV 38 0 mV 5 0 5 V 588 mV 73 64 mV to 78 36 mV 512 mV 5 0 5 V 512 mV 73 64 mV to 78 36 mV 588 mV 20 mV 0 0 V 76 0 mV 149 0 mV to 155 0 mV 76 0 mV 5 0 5 V 676 0 mV 147 1 mV to 156 9 mV 524 0 mV 5 0 5 V 524 0 mV 147 1 mV t...

Page 130: ... 0 4 5 V 4 88 V 738 0 mV to 782 0 mV 4 12 V 0 4 5 V 4 12 V 738 0 mV to 782 0 mV 4 88 V 200 mV 0 0 V 760 mV 1 490 V to 1 550 V 760 mV 2 4 6 V 4 96 V 1 477 V to 1 563 V 3 44 V 2 4 6 V 3 44 V 1 477 V to 1 563V 4 96 V 500 mV 0 0 V 1 90 V 3 724 V to 3 876 V 1 90 V 4 5 V 4 90 V 3 701 V to 3 899 V 1 10 V 4 5 V 1 10 V 3 701 V to 3 899 V 4 90 V 1 V 0 0 V 3 80 V 7 448 V to 7 752 V 3 80 V 0 2 0 V 5 00 V 5 85...

Page 131: ...17 6 mV 5 mV 0 0 V 19 0 mV 37 24 mV to 38 76 mV 19 0 mV 5 0 5 V 544 mV 36 84 mV to 39 16 mV 506 mV 5 0 5 V 506 mV 36 84 mV to 39 16 mV 544 mV 10 mV 0 0 V 38 0 mV 74 48 mV to 77 52 mV 38 0 mV 5 0 5 V 588 mV 73 64 mV to 78 36 mV 512 mV 5 0 5 V 512 mV 73 64 mV to 78 36 mV 588 mV 20 mV 0 0 V 76 0 mV 149 0 mV to 155 0 mV 76 0 mV 5 0 5 V 676 0 mV 147 1 mV to 156 9 mV 524 0 mV 5 0 5 V 524 0 mV 147 1 mV t...

Page 132: ... 0 4 5 V 4 88 V 738 0 mV to 782 0 mV 4 12 V 0 4 5 V 4 12 V 738 0 mV to 782 0 mV 4 88 V 200 mV 0 0 V 760 mV 1 490 V to 1 550 V 760 mV 2 4 6 V 4 96 V 1 477 V to 1 563 V 3 44 V 2 4 6 V 3 44 V 1 477 V to 1 563V 4 96 V 500 mV 0 0 V 1 90 V 3 724 V to 3 876 V 1 90 V 4 5 V 4 90 V 3 701 V to 3 899 V 1 10 V 4 5 V 1 10 V 3 701 V to 3 899 V 4 90 V 1 V 0 0 V 3 80 V 7 448 V to 7 752 V 3 80 V 0 2 0 V 5 00 V 5 85...

Page 133: ...17 6 mV 5 mV 0 0 V 19 0 mV 37 40 mV to 38 76 mV 19 0 mV 5 0 5 V 544 mV 36 84 mV to 39 16 mV 506 mV 5 0 5 V 506 mV 36 84 mV to 39 16 mV 544 mV 10 mV 0 0 V 38 0 mV 74 48 mV to 77 52 mV 38 0 mV 5 0 5 V 588 mV 73 64 mV to 78 36 mV 512 mV 5 0 5 V 512 mV 73 64 mV to 78 36 mV 588 mV 20 mV 0 0 V 76 0 mV 149 0 mV to 155 0 mV 76 0 mV 5 0 5 V 676 0 mV 147 1 mV to 156 9 mV 524 0 mV 5 0 5 V 524 0 mV 147 1 mV t...

Page 134: ... 0 4 5 V 4 88 V 738 0 mV to 782 0 mV 4 12 V 0 4 5 V 4 12 V 738 0 mV to 782 0 mV 4 88 V 200 mV 0 0 V 760 mV 1 490 V to 1 550 V 760 mV 2 4 6 V 4 96 V 1 477 V to 1 563 V 3 44 V 2 4 6 V 3 44 V 1 477 V to 1 563V 4 96 V 500 mV 0 0 V 1 90 V 3 724 V to 3 876 V 1 90 V 4 5 V 4 90 V 3 701 V to 3 899 V 1 10 V 4 5 V 1 10 V 3 701 V to 3 899 V 4 90 V 1 V 0 0 V 3 80 V 7 448 V to 7 752 V 3 80 V 0 2 0 V 5 00 V 5 85...

Page 135: ...2 4 mV 14 28 mV to 16 12 mV 517 6 mV 5 mV 0 0 V 19 0 mV 37 05 mV to 38 95 mV 19 0 mV 5 0 5 V 544 mV 36 65 mV to 39 35 mV 506 mV 5 0 5 V 506 mV 36 65 mV to 39 35 mV 544 mV 10 mV 0 0 V 38 0 mV 74 10 mV to 77 90 mV 38 0 mV 5 0 5 V 588 mV 73 26 mV to 78 74 mV 512 mV 5 0 5 V 512 mV 73 26 mV to 78 74 mV 588 mV 20 mV 0 0 V 76 0 mV 148 2 mV to 155 8 mV 76 0 mV 5 0 5 V 676 mV 146 4 mV to 157 6 mV 524 mV 5 ...

Page 136: ...V to 779 0 mV 380 mV 0 4 5 V 4 88 V 734 2 mV to 785 8 mV 4 12 V 0 4 5 V 4 12 V 734 2 mV to 785 8 mV 4 88V 200 mV 0 0 V 760 mV 1 482 V to 1 558 V 760 mV 2 4 6 V 4 96 V 1 469 V to 1 571 V 3 44 V 2 4 6 V 3 44 V 1 469 V to 1 571 V 4 96 V 500 mV 0 0 V 1 90 V 3 705 V to 3 895 V 1 90 V 4 5 V 4 90 V 3 682 V to 3 918 V 1 10 V 4 5 V 1 10 V 3 682 V to 3 918 V 4 90 V 1 V 0 0 V 3 80 V 7 410 V to 7 790 V 3 80 V...

Page 137: ...mV 517 6 mV 5 mV 0 0 V 19 0 mV 37 05 mV to 38 95 mV 19 0 mV 5 0 5 V 544 mV 36 65 mV to 39 35 mV 506 mV 5 0 5 V 506 mV 36 65 mV to 39 35 mV 544 mV 10 mV 0 0 V 38 0 mV 74 10 mV to 77 90 mV 38 0 mV 5 0 5 V 588 mV 73 26 mV to 78 74 mV 512 mV 5 0 5 V 512 mV 73 26 mV to 78 74 mV 588 mV 20 mV 0 0 V 76 0 mV 148 2 mV to 155 8 mV 76 0 mV 5 0 5 V 676 mV 146 4 mV to 157 6 mV 524 mV 5 0 5 V 524 mV 146 4 mV to ...

Page 138: ... 0 4 5 V 4 88 V 734 2 mV to 785 8 mV 4 12 V 0 4 5 V 4 12 V 734 2 mV to 785 8 mV 4 88V 200 mV 0 0 V 760 mV 1 482 V to 1 558 V 760 mV 2 4 6 V 4 96 V 1 469 V to 1 571 V 3 44 V 2 4 6 V 3 44 V 1 469 V to 1 571 V 4 96 V 500 mV 0 0 V 1 90 V 3 705 V to 3 895 V 1 90 V 4 5 V 4 90 V 3 682 V to 3 918 V 1 10 V 4 5 V 1 10 V 3 682 V to 3 918 V 4 90 V 1 V 0 0 V 3 80 V 7 410 V to 7 790 V 3 80 V 0 2 0 V 5 00 V 5 82...

Page 139: ...mV 517 6 mV 5 mV 0 0 V 19 0 mV 37 05 mV to 38 95 mV 19 0 mV 5 0 5 V 544 mV 36 65 mV to 39 35 mV 506 mV 5 0 5 V 506 mV 36 65 mV to 39 35 mV 544 mV 10 mV 0 0 V 38 0 mV 74 10 mV to 77 90 mV 38 0 mV 5 0 5 V 588 mV 73 26 mV to 78 74 mV 512 mV 5 0 5 V 512 mV 73 26 mV to 78 74 mV 588 mV 20 mV 0 0 V 76 0 mV 148 2 mV to 155 8 mV 76 0 mV 5 0 5 V 676 mV 146 4 mV to 157 6 mV 524 mV 5 0 5 V 524 mV 146 4 mV to ...

Page 140: ... 0 4 5 V 4 88 V 734 2 mV to 785 8 mV 4 12 V 0 4 5 V 4 12 V 734 2 mV to 785 8 mV 4 88V 200 mV 0 0 V 760 mV 1 482 V to 1 558 V 760 mV 2 4 6 V 4 96 V 1 469 V to 1 571 V 3 44 V 2 4 6 V 3 44 V 1 469 V to 1 571 V 4 96 V 500 mV 0 0 V 1 90 V 3 705 V to 3 895 V 1 90 V 4 5 V 4 90 V 3 682 V to 3 918 V 1 10 V 4 5 V 1 10 V 3 682 V to 3 918 V 4 90 V 1 V 0 0 V 3 80 V 7 410 V to 7 790 V 3 80 V 0 2 0 V 5 00 V 5 82...

Page 141: ...mV 517 6 mV 5 mV 0 0 V 19 0 mV 37 05 mV to 38 95 mV 19 0 mV 5 0 5 V 544 mV 36 65 mV to 39 35 mV 506 mV 5 0 5 V 506 mV 36 65 mV to 39 35 mV 544 mV 10 mV 0 0 V 38 0 mV 74 10 mV to 77 90 mV 38 0 mV 5 0 5 V 588 mV 73 26 mV to 78 74 mV 512 mV 5 0 5 V 512 mV 73 26 mV to 78 74 mV 588 mV 20 mV 0 0 V 76 0 mV 148 2 mV to 155 8 mV 76 0 mV 5 0 5 V 676 mV 146 4 mV to 157 6 mV 524 mV 5 0 5 V 524 mV 146 4 mV to ...

Page 142: ... 558 V 760 mV 2 4 6 V 4 96 V 1 469 V to 1 571 V 3 44 V 2 4 6 V 3 44 V 1 469 V to 1 571 V 4 96 V 500 mV 0 0 V 1 90 V 3 705 V to 3 895 V 1 90 V 4 5 V 4 90 V 3 682 V to 3 918 V 1 10 V 4 5 V 1 10 V 3 682 V to 3 918 V 4 90 V 1 V 0 0 V 3 80 V 7 410 V to 7 790 V 3 80 V 0 2 0 V 5 00 V 5 826 V to 6 174 V 1 00 V 0 2 0 V 1 00 V 5 826 V to 6 174 V 5 00 V d Display the test signal H From the tool bar touch VER...

Page 143: ...gnal Press Close H Read the measurement results at the measurement statistics measurement readout See Figure 4 10 H Record the Mean in the Measurement Mean column of Table 4 4 Turn on the measurement called mean and read the results here Figure 4 10 Measurement of DC gain accuracy f Measure second mean H Set the generator to the second level and polarity indicated in the table for the vertical sca...

Page 144: ...listed in Table 4 4 are checked for the channel under test j Test all channels Repeat substeps a through i for all four channels 3 Disconnect the hookup a Set the generator output to 0 V b Disconnect the cable and adapter from the generator output and the input connector of the channel last tested Equipment required Two dual banana connectors Item 5 One BNC T connector Item 6 One DC calibration ge...

Page 145: ...w connect the BNC T connector to CH 1 through an adapter See Figure 4 11 Instrument under test DC calibrator 50 Ω Coaxial cables Dual banana to BNC adapters BNC T connector Output Sense Figure 4 11 Initial test hookup b Initialize the instrument Press DEFAULT SETUP c Modify the default settings H From the tool bar touch Horiz and select the Acquisition tab H Touch Average and set the number of ave...

Page 146: ...set accuracy Scale setting Position setting Divs Offset setting1 Generator setting Accuracy limits CSA7404B TDS7404B TDS7254B TDS7154B 2 mV 0 0 5 V 500 mV 497 3 mV to 502 7 mV 0 V 0 0 mV 1 7 mV to 1 7 mV 0 5 V 500 mV 502 7 mV to 497 3 mV 50 mV 0 0 5 V 500 mV 491 75 mV to 508 25 mV 0 V 0 0 mV 6 5 mV to 6 5 mV 0 5 V 500 mV 508 25 mV to 491 75 mV 100 mV 0 5 V 5 0 V 4 9575 V to 5 0425 V 0 V 0 0 V 25 m...

Page 147: ...nstrument s offset resolution permits d Display the test signal H From the tool bar touch VERT and then touch Position H Use the keypad to set vertical position to 0 0 divisions press CLR and then ENTER on the keypad H Touch Offset H Use the keypad to set vertical offset to the positive polarity setting listed in the table for the current vertical scale setting The baseline level may move off scre...

Page 148: ...isted for the current vertical scale setting and position offset generator settings Enter the value on the test record H Repeat substep d using the negative polarity offset and generator settings as is listed in the table H CHECK that the Mean measurement readout on screen is within the limits listed for the current vertical scale setting and position offset generator settings Enter the value on t...

Page 149: ...uring the performance of this procedure Also check that the calibrator does not have shorting straps installed between the DC output sense input or grounds 1 Install the test hookup and preset the instrument controls a Hook up the test signal source H Set the output of a DC calibration generator to off or 0 volts H Connect the output of a DC calibration generator through a dual banana connector fo...

Page 150: ...ts for maximum input voltage Do the following substeps test CH 1 first skipping substep 2a since CH 1 is already selected from step 1 a Select an unchecked channel H From the tool bar touch MEAS and then Clear to remove the previous measurement H Press the Vertical button of the channel just confirmed to remove the channel from the display H Press the front panel Vertical button that corresponds t...

Page 151: ... Generator setting Readout with 10X attenuator Limits without 10X attenuator CSA7404B TDS7404B TDS7254B TDS7154B 50 mV 3 0 V 1 V 100 mV Coupling in CH readout stays Ω 3 V 300 mV Coupling changes to ground 1 V 3 0 V 5 V 500 mV Coupling in CH readout stays Ω 10 V 1 0 V Coupling changes to ground TDS7704B 50 mV 3 0 V 1 V 100 mV Coupling in CH readout stays Ω 3 V 300 mV Coupling changes to ground 1 V ...

Page 152: ...settings Turn on the measurement called high and read the results here After removing the 10X attenuator check the coupling readout of the channel you are testing Figure 4 14 Check of maximum input voltage e Check an unchecked generator setting against limits H Remove the 10X attenuator H CHECK that the coupling readout on screen for the selected channel is as listed for the current vertical scale...

Page 153: ...4 SMA Item 36 Attenuators Items 1 and 2 One SMA male to female BNC adapter Item 19 Prerequisites See page 4 17 1 Install the test hookup and preset the instrument controls a Initialize the instrument H Press DEFAULT SETUP b Modify the default settings H Turn the horizontal SCALE knob to 40 ns H From the tool bar touch Horiz and select the Acquisition tab Set the acquisition mode as follows TDS7704...

Page 154: ...omatic output amplitude leveling c Hook up the test signal source Connect the sine wave output of a leveled sine wave generator to CH 1 Set the output of the generator to a reference frequency of 10 MHz or less See Figure 4 15 Instrument under test Sine wave generator Output Figure 4 15 Initial test hookup 2 Confirm the input channels are within limits for analog bandwidth Do the following substep...

Page 155: ...Hz 42 4 mV 20 mV 120 mV 1 ns 7 GHz 4 GHz 2 5 GHz 1 5 GHz 84 8 mV 50 mV 300 mV 1 ns 7 GHz 4 GHz 2 5 GHz 1 5 GHz 212 mV 100 mV 600 mV 1 ns 7 GHz 4 GHz 2 5 GHz 1 5 GHz 424 mV 200 mV 1 2 V 1 ns 7 GHz 4 GHz 2 5 GHz 1 5 GHz 848 mV 500 mV 3 V1 1 ns 7 GHz 4 GHz 2 5 GHz 1 5 GHz 2 12 V1 1 V 5 V1 1 ns 7 GHz 4 GHz 2 5 GHz 1 5 GHz 3 535 V1 1 If your generator cannot output the required amplitude determine its ...

Page 156: ... vertical scale set in substep c See Figure 4 16 H Set the horizontal SCALE to the horizontal scale setting in Table 4 7 that corresponds to the vertical scale set in substep c Press PUSH TO SET 50 as necessary to trigger the signal H Read the results at the CHx Pk Pk mean readout which will automatically measure the amplitude of the test signal See Figure 4 16 Set the generator reference frequenc...

Page 157: ...tics ensures that the factory set adjustment constants that control the bandwidth for each vertical scale setting have not changed h Check remaining vertical scale settings against limits optional H If desired finish checking the remaining vertical scale settings for the channel under test by repeating substeps c through g for each of the remaining scale settings listed in Table 4 7 for the channe...

Page 158: ... so invalidates the test 1 Install the test hookup and preset the instrument controls a Initialize the front panel Press the DEFAULT SETUP button b Modify the initialized front panel control settings H Do not adjust the vertical position of any channel during this procedure H Set the horizontal SCALE to 500 ps H From the tool bar touch Horiz and select the Acquisition tab H Touch Average and set t...

Page 159: ... on screen b The horizontal SCALE should already be set to 500 ps Now set it to 100 ps c Save a CH 2 waveform Press the CH 2 Vertical button From the button bar touch the Refs button and select the Ref 2 tab Touch the Save Wfm to Ref2 Save button d Save CH 3 waveform H Move the power divider from CH 2 to CH 3 so that CH 1 and CH 3 are driven Press the Vertical CH 2 and CH 3 buttons Select the Ref ...

Page 160: ... crosses the center horizontal graticule line Next note the corresponding time reference point for the right most waveform See Figure 4 18 on page 4 84 H Press CURSORS and select the V Bars Cursors Type H Touch the Close button Locate the time reference points for these waveforms 2 Display the waveforms 1 Read results 4 Align each cursor to the time reference points 3 Figure 4 18 Measurement of ch...

Page 161: ... 2 skew measurement and divide the result by 2 Use Table 4 8 l Add the first CH 1 to CH 3 skew measurement to the second CH 1 to CH 3 skew measurement and divide the result by 2 Use Table 4 8 m Add the first CH 1 to CH 4 skew measurement to the second CH 1 to CH 4 skew measurement and divide the result by 2 Use Table 4 8 n Check against limits CHECK that the largest of the three results from steps...

Page 162: ...e 4 19 Initial test hookup 1 Install the test hookup and preset the instrument controls a Initialize the instrument Press the DEFAULT SETUP button b Modify the initialized control settings H Turn on all vertical channels press the Vertical button of any off channels CH 1 CH 2 CH 3 and CH 4 H Set the Horizontal SCALE to 1 ns H Set the Vertical SCALE of CH 1 CH 2 CH 3 and CH 4 to 100 mV H From the t...

Page 163: ...ignal H Set the generator to output a sine wave at the bandwidth of your instrument or 1 5 GHz whichever is less Set the test signal amplitude for about five divisions on screen Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is 500 mV Readout may fluctuate around 500 mV H Remove the 2X attenuator 3 Confirm the input channels are within limits for chan...

Page 164: ...ertical SCALE of CH 1 CH 2 CH 3 and CH 4 to 50 mV H Set the test signal amplitude for about five divisions on screen Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is 250 mV Readout may fluctuate around 250 mV H Remove the 2X attenuator H Repeat substeps a through g H Connect the 2X attenuator to CH 1 H Move the signal to the CH 1 input change the Tri...

Page 165: ... to do this H Remove the 2X attenuator 5 Confirm the input channels are within limits for channel isolation a Check Amplitude of each trace other than CH 1 is 0 67 division or less discount trace width Enter the largest amplitude on the test record b Move the signal to the CH 2 input connector change the Trigger SOURCE to CH 2 and move the 50 Ω termination to the CH 1 input c Check Amplitude of ea...

Page 166: ... the coaxial cable to CH 1 set the Trigger SOURCE to CH 1 and move the 50 Ω termination to the CH 4 input H Set the Vertical SCALE of CH 1 CH 2 CH 3 and CH 4 to 10 mV H Set the test signal amplitude for about five divisions on screen Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is 50 mV Readout may fluctuate around 50 mV H Remove the 2X attenuator H...

Page 167: ...ts a Measure the impedance Read and record the measured impedance b Remove the dual banana connector from the digital multimeter DMM turn it 180 degrees and reinsert it in the DMM input c Measure the impedance Read and record the measured impedance d Add the two measurements and divide the result by 2 e Check Average of the two measurements is 48 75 Ω and 51 25 Ω Enter average on the test record 3...

Page 168: ...nput Timer counter Instrument under test Figure 4 21 Initial test hookup 1 Install the test hookup and preset the instrument controls a Hook up the test signal source Connect through a 50 Ω precision coaxial cable the input of the timer counter to REF OUT see Figure 4 21 H Set the timer counter gate to 1 s H Set the timer counter to count the reference output b Initialize the instrument Press the ...

Page 169: ... buttons H Touch the Close button c Check REF OUT output against limits CHECK that the CH 1 High readout is 1 0 volt and that the CH 1 Low readout 0 25 volts 4 Disconnect the hookup Disconnect the cable and adapter from the instru ment Instrument under test 50 Ω Coaxial cable Output Sine wave generator Figure 4 22 Initial test hookup 5 Install the test hookup and preset the instrument controls a I...

Page 170: ...panel Ext Ref input see Figure 4 23 H Touch Menu to select menu mode H Touch Utilities and select External Signals H Touch the Internal button to select the external reference the button name changes to External 50 Ω Coaxial cable Output Sine wave generator Instrument under test Figure 4 23 Final test hookup 6 Confirm external reference a Perform a signal path compensation H Touch Utilities and se...

Page 171: ...tor BNC T male BNC to dual female BNC Item 6 One Pulse Generator Wavetek 9500 or equivalent Item 20 Two 50 Ω coaxial cable male to male SMA connectors Item 21 One SMA female to BNC male connector Item 23 One BNC elbow connector Item 24 One SMA T male to two SMA female connectors Item 22 Two SMA termination connectors short circuit Item 25 One SMA male to female BNC adapter Item 19 One 2X attenuato...

Page 172: ...ale BNC T connector The other side of the BNC T is connected to BNC male to SMA adapter The SMA side is connected to the male side of the SMA T connector Keep the distance between the BNC T and SMA T as short as possible Connect 20 inch 50 Ω coaxial cables to each female side of the SMA T connector Connect the SMA short to the remaining female SMA connector Now connect the male BNC T connector to ...

Page 173: ...ure the pulse width at the 75 mV level If the pulse you supply to the instrument is not a 120 mV pulse you may need to set the reference level MidRef to something other than 75 mV Set the reference level near the center of the pulse above any noise and below any overshoot or ringing on the pulse d Set up for statistics measurements H Press RUN STOP button to freeze the display H From the Button ba...

Page 174: ... or TDS7404B 150 ps 0 015 ns TDS7254B 160 ps to 200 ps 0 015 ns TDS7154B 160 ps to 240 ps 0 015 ns e Repeat for all other channels H Note the vertical scale setting of the channel just confirmed H Press the Vertical channel button for the channel just confirmed to remove the channel from display H Touch MEAS and the Clear to remove the measurement H Press the front panel button that corresponds to...

Page 175: ... the test hookup and preset the instrument controls a Initialize the instrument Press the DEFAULT SETUP button b Modify the default setup Set the horizontal SCALE to 2 5 ns c Hook up the test signal source Connect the output of the sine wave generator Item 12 to CH 1 Do this through a 50 Ω precision coaxial cable followed by a 2X attenuator and adapter See Figure 4 25 Instrument under test 50 Ω Co...

Page 176: ...l down on Trigger Type and select width triggering H Pull down Pulse Width and select Inside limits H Touch Upper Limit Use the keyboard to set the upper limit to 10 ns H Touch Lower Limit Use the keypad to set the lower limit to 2 ns b Display the test signal H Set the Horizontal SCALE to 20 ns H Set the output of the sine wave generator for a 100 MHz five division sine wave on screen Set the Ver...

Page 177: ...he time on the test record 3 Disconnect the hookup Disconnect the cable and adapter from the generator output and the input connector of CH 1 Equipment required One sine wave generator Item 12 Two precision 50 Ω coaxial cables Item 4 One 10X attenuator Item 1 One BNC T connector Item 6 One SMA male to female BNC adapter Item 19 One 5X attenuator Item 2 Prerequisites See page 4 17 1 Install the tes...

Page 178: ...enerator CSA7000B Instrument Figure 4 27 Initial test hookup 2 Confirm the trigger system is within sensitivity limits 50 MHz a Display the test signal H Set the generator frequency to 50 MHz H From the button bar touch MEAS H Touch Setup Ref Levs then touch the Min Max button H Touch the Setup button and select the Ampl tab then touch the Amplitude button H Touch Close H Press PUSH TO SET 50 H Se...

Page 179: ...Trigger Slope button to select the positive slope H Adjust the Trigger LEVEL knob so that there is a stable trigger CHECK that the trigger is stable for the test waveform on the positive slope H Press the Trigger Slope button to select the negative slope Adjust the Trigger LEVEL knob so that there is a stable trigger H CHECK that the trigger is stable for the test waveform on the negative slope H ...

Page 180: ...so return to the main trigger select the A B Seq tab and touch the A B Sequence A Only button Then select the A Event tab H Press Close 3 Confirm the AUX Trigger input at 50 MHz a Display the test signal H Remove the 10X attenuator and reconnect the cable to CH 1 H Set the signal amplitude as follows CSA7404B 2 5 divisions TDS7704B CSA7404B TDS7404B TDS7254B TDS7154B 1 5 divisions H Now fine adjus...

Page 181: ...idth as follows CSA7404B 3 GHz TDS7704B 3 GHz CSA7404B 3 GHz TDS7404B 3 GHz TDS7254B 2 5 GHz TDS7154B 1 5 GHz H Set the generator amplitude on screen as follows TDS7704B 7 divisions CSA7404B 7 divisions TDS7404B 7 divisions TDS7254B 5 divisions TDS7154B 5 divisions H Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is as follows Readout may fluctuate TD...

Page 182: ...o 200 ps H Remove the 5X attenuator and reconnect the cable to CH 1 H Set the generator amplitude on screen as follows CSA7404B 4 divisions TDS7704B CSA7404B TDS7404B TDS7254B TDS7154B 5 divisions H Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is as follows Readout may fluctuate CSA7404B 350 mV TDS7704B CSA7404B TDS7404B TDS7254B TDS7154B 500 mV g R...

Page 183: ...5 1 Install the test hookup and preset the instrument controls 50 Ω Coaxial cables To AUX OUT Calibration generator TDS7000B oscilloscope 50 Ω Coaxial cables To AUX OUT Calibration generator CSA7000B Instrument Figure 4 29 Initial test hookup a Hook up test signal source 1 See Figure 4 29 H Connect the standard amplitude output of a calibration generator through a 50 Ω precision coaxial cable to C...

Page 184: ...or output for 5 divisions of amplitude H From the tool bar touch Horiz and select the Acquisition tab H Touch Average and set the number of averages to 64 H Touch the Close button 2 Confirm AUX OUT is within limits for logic levels a Display the test signal H Press the Vertical CH 3 button to turn off CH 3 H Press the Vertical CH 2 button to display that channel H Set the Vertical SCALE to 500 mV ...

Page 185: ...LE to 50 mV H Press PUSH TO SET 50 H From the button bar touch MEAS and select the Ampl tab H Touch the Pk Pk button H Touch Close b Check against limits CHECK that the readout CH 2 Pk Pk is between 40 mV and 60 mV inclusive 4 Confirm SIGNAL OUT is within limits for offset H Disconnect the cable from the CH 3 input H From the button bar touch MEAS and select the Ampl tab H Touch the Low button H T...

Page 186: ...ccuracy For Long Term Sample Rate and Delay Time Accuracy and Reference on page 4 92 1 Install the test hookup and preset the instrument controls a Hook up test signal H Connect one of the 50 Ω cables to CH 1 through an adapter See Figure 4 31 H Connect the other end of the cable just installed to the PROBE COMPENSATION output See Figure 4 31 BNC cable from PROBE COMPENSATION output to CH 1 input ...

Page 187: ...ch Horiz and select the Acquisition tab H Touch Average and set the number of averages to 128 2 Confirm that the Probe Compensator signal is within limits for frequency a Measure the frequency of the probe compensation signal H From the button bar touch MEAS and select the Time tab H Touch the Freq button b Check against limits H CHECK that the CH 1 Freq readout is within 950 Hz to 1 050 kHz inclu...

Page 188: ...libration generator through a dual banana connector followed by a 50 Ω precision coaxial cable to one side of a BNC T connector See Figure 4 33 H Connect the Sense input of the generator through a second dual ba nana connector followed by a 50 Ω precision coaxial cable to the other side of the BNC T connector Now connect the BNC T connector to CH 1 through a TCA BNC or BNC to SMA adapter See Figur...

Page 189: ...isely overlaps the base lower level of the stored probe compensation signal This value will be near 500 mV H Record the setting of the DC generator f Press Close to remove the menus from the display See Figure 4 34 Figure 4 34 Measurement of probe compensator amplitude g Check against limits H Subtract the value just obtained base level from that obtained previously top level H CHECK that the diff...

Page 190: ... the test hookup and preset the instrument controls 50 Ω Coaxial cables Sine wave generator Instrument under test Figure 4 35 Initial test hookup a Hook Up the test signal source see Figure 4 35 H Connect the sine wave output of the sine wave generator through a 50 Ω precision coaxial cable to CH 1 through an adapter H Set the sine wave generator to output a 433 MHz sine wave b Initialize the inst...

Page 191: ...e Close button d Adjust the cursors until the Δt readout equals 800 ps one unit interval Center the cursors around the center graticule line see Figure 4 36 e From the button bar touch Trig select the A Event tab and touch the Select button f Touch the Serial button and then set the Standard to GB Ethernet g Touch the Editor button h Set the Format to Hex and then touch the Clear button i Enter da...

Page 192: ...Performance Tests 4 116 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual Triggered 1 UI before a 0 Triggered on a 0 Triggered 1 UI after a 0 Figure 4 36 Isolated 0 triggering ...

Page 193: ...Verify that the serial path and pattern matching circuits can do isolated 1s a Adjust the trigger LEVEL to trigger at 75 1 division on the sine wave b Touch the Clear button c Enter data into the Serial Pattern Data field for one of the settings in Table 4 11 that is not yet checked Start with the first setting listed d Touch Apply e Verify that the instrument triggers one Unit Interval UI before ...

Page 194: ...Performance Tests 4 118 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual Triggered 1 UI before a 1 Triggered on a 1 Triggered 1 UI after a 1 Figure 4 37 Isolated 1 triggering ...

Page 195: ... don t cares c Set the Serial Pattern Data pattern bits to XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXX12 d Touch Apply e Verify that the instrument triggers on a 1 see Figure 4 38 Enter pass or fail in the test record f Touch the Clear button g Set all Serial Pattern Data bits to X except for the nth bit where n is the step number For example if step 4c is step 1...

Page 196: ... CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual Triggering 2 clock cycles after a 1 Step 3 6 9 12 Triggering on a 1 Step 1 4 7 10 Triggering 1 clock cycle after a 1 Step 2 5 8 11 Figure 4 38 N modulo 3 triggering ...

Page 197: ...l test hookup a Hook up test signal source 1 See Figure 4 39 H Connect the sine wave output of the sine wave generator through a 50 Ω precision coaxial cable to CH 1 through an adapter H Set the sine wave generator to output a 1 5625 GHz sine wave b Initialize the instrument Press the DEFAULT SETUP button c Modify the initialized front panel control settings H Press the Vertical SCALE to 50 mV per...

Page 198: ... for the current input frequency NOTE The instrument will attempt to acquire lock once If the input data is disrupted removed or heavily distorted the instrument may not acquire lock or may loose lock If the recovered clock is not locked to the incoming data the waveform display will not be stable see Figure 4 40 Once the input data is available press the PUSH SET TO 50 knob to force the instrumen...

Page 199: ...aud 600 MHz 2400 Mbaud 575 00 MHz 2300 Mbaud 575 00 MHz 2185 Mbaud 546 25 MHz 2300 Mbaud 390 63 MHz 1562 5 Mbaud 388 13 MHz 1552 5 Mbaud 194 06 MHz 776 25 Mbaud 194 06 MHz 737 44 Mbaud 184 36 MHz 776 25 Mbaud 136 44 MHz 574 50Mbaud 143 27 MHz 545 78 Mbaud 97 031 MHz 388 13 Mbaud 48 766 MHz 195 06 Mbaud 24 383 MHz 97 531 Mbaud 12 191 MHz 48 766 Mbaud 6 0957 MHz 24 383 Mbaud 3 0479 MHz 12 191 Mbaud ...

Page 200: ...7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual Recovered clock locked 1 5625 GHz Recovered clock locked All frequencies except 1 5625 GHz A possible display with the recovered clock not locked Figure 4 40 Clock recovery ...

Page 201: ... Check DC Voltage Measurement Accuracy on page 4 45 1 Install the test hookup and preset the instrument controls a Hook up test signal source 1 See Figure 4 41 on page 4 125 H Install the O E Electrical Out to CH 1 Input adapter on the CSA Instrument H Install the fibre optic dust cap onto the OPTICAL INPUT connector of the O E converter O E Electrical Out to CH1 input adapter Dust cap CSA7000B In...

Page 202: ...ntrol settings H From the tool bar touch Meas and select the Ampl tab H Touch Mean H From the tool bar touch Horiz and select the Acquisition tab H Touch Average and set the number of averages to 64 H Touch the Close button H Set the Vertical SCALE to 10 W Table 4 13 Dark level Scale setting Accuracy limits 10 W 2 6 W 20 W 3 6 W 50 W 6 6 W 6 Confirm Dark Level is within limits Do the following sub...

Page 203: ...t hookup and preset the instrument controls See Figure 4 42 O E Electrical Out to CH1 input adapter Dust cap CSA7000B Instrument Figure 4 42 Initial test hookup a Install the fibre optic dust cap onto the OPTICAL INPUT connector of the O E converter b Install the O E Electrical Out to CH 1 Input adapter on the CSA Instru ment c Press the DEFAULT SETUP button d Select CH1 for the waveform source e ...

Page 204: ...ch Vert and select the Chan 1 tab b Select a calibrated Wavelength c Press the Close button d Change the Horizontal Scale and then return the Scale to 20 ns div e Confirm Optical Noise is within limits After a few seconds note the Mean and the Std Dev results displayed for the selected wavelength The mean of the histogram is the dark level value and the standard deviation of the histogram is the m...

Page 205: ...aser source Optical power meter Multimode optical attenuator Optical output Optical Input O E to SMA adapter SMA cable and TCA SMA adapter CSA7000B Instrument Figure 4 43 Initial test hookup a Hook up test signal source 1 See Figure 4 43 H Connect the O E Electrical Output to the CH 1 Input using an O E to SMA adapter SMA cable and TCA SMA adapter H Connect the output of a CW laser source through ...

Page 206: ...4 15 O E gain Wavelength setting Vertical scale setting Attenuator output setting Accuracy limits 780 nm 20 mV 0 1 mW 10 dBm 27 mV 850 nm 20 mV 0 1 mW 10 dBm 33 mV 1310 nm 50 mV 0 1 mW 10 dBm 64 mV 1550 nm 50 mV 0 1 mW 10 dBm 64 mV 2 Confirm O E Gain is within limits Do the following substeps test the first wavelength setting in Table 4 15 first skipping substep a since 780 nm is already selected ...

Page 207: ...the bandwidth of a device or system is defined as the frequency at which the power out of the same device or system is one half as compared with a frequency near DC In the voltage domain the power dissipated into a resistive load for example a 50 Ω termination of a sampler is the VRMS 2 R where VRMS is the RMS of the voltage swing seen at the resistive load and R is the resistance value A logarith...

Page 208: ...ady represents Optical Power in its linear form as opposed to having to square the voltage and divide by R For the O E converter then the bandwidth where the displayed optical power is one half that approaching DC is dB 10 log ᏋPowerf PowerDC Ꮠ 3 dB The Vf in such a system is one half 0 5 the VDC as opposed to 0 707 The optical bandwidth therefore corresponds to the traditional electrical bandwidt...

Page 209: ...m 35 O E Electrical Out to CH 1 Input adapter Item 32 Prerequisites See page 4 17 Before performing this procedure be sure you have completed the Optical Noise procedure on page 4 127 Install the test hookup and preset the controls 1 Install the test hookup as shown in Figure 4 44 2 Start with about 30 dB of attenuation on the variable attenuator NOTE To avoid dispersing the narrow optical impulse...

Page 210: ...l pulse later in the procedure b Set the Position to 15 0 This setting will make it easier to locate the first optical pulse later in the procedure c Set the Rec Length to 500 Verify that the sample rate is still set to 20 GS s 7 From the tool bar touch Vert do the the following a Set the Scale to 20 0 W div b Set Position to 2 0 div c Set the Calibrated Wavelength to 1550 nm 8 Press the PUSH TO S...

Page 211: ...elect the Math 1 tab b Press the Spectral Analysis Setup button and select the Create tab c Press the Magnitude button and then the Channel 1 button to create a magnitude FFT math waveform d From the Window Type drop down list select Rectangular e Select the Mag tab f Press the Scale dBm button g Press Freq Span and use the general purpose knobs to adjust the frequency span to 5 GHz Set the Center...

Page 212: ... selected d Select the Math tab and press Math 1 e Press Cursor2 select the Math tab and set to Math1 f Press Close NOTE Pressing the FINE button will change cursor speed g Position the first cursor at 400 MHz h Position the second cursor Δy to the 6 dBm point see Table 4 16 and Figure 4 46 Figure 4 46 Optical impulse response NOTE In Figure 4 46 the left cursor is at the DC frequency The right cu...

Page 213: ...a leveled sine wave generator the following procedure to level the output amplitude of your sine wave generator Equipment required Sine wave generator Item 12 Level meter and power sensor Item 13 Two male N to female BNC adapters Item 15 One SMA to BNC adapter Item 19 Two precision coaxial cables Item 4 Prerequisites See page 4 17 1 Install the test hookup Connect the equipment as shown in Figure ...

Page 214: ...om the instrument H Connect the sine wave generator to the power sensor H Note the level meter reading 4 Set the generator to the new frequency and reference level H Change the sine wave generator to the desired new frequency H Input the correction factor and or the new frequency into the level meter H Adjust the sine wave generator amplitude until the level meter again reads the value noted in st...

Page 215: ...Adjustment Procedures ...

Page 216: ......

Page 217: ...d make adjustments only if needed every 2000 hours of operation or once a year if the instrument is used infrequently Adjustment After Repair After removal and replacement of a module due to electrical failure you must either perform an adjustment or not depending on the module replaced Modules listed as customer replaceable have adjustment listed if required Modules not listed as customer replace...

Page 218: ...Adjustment Procedures 5 2 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 219: ...Maintenance ...

Page 220: ......

Page 221: ... of the trees make use of the internal diagnostic routines to speed fault isolation to a module H Repackaging Instructions Information on returning an instrument for service Preventing ESD Before servicing this product read the Safety Summary and Introduction at the front of the manual and the ESD information below CAUTION Static discharge can damage any semiconductor component in this instrument ...

Page 222: ...ting it How often to do maintenance depends on the severity of the environment in which the instrument is used A proper time to perform preventive maintenance is just before instrument adjustment The cabinet helps keep dust out of the instrument and should normally be in place when operating the instrument CSA7000B Series only Small dust particles and oils can easily contaminate optical connectors...

Page 223: ...t and spray the can into the air to purge any propellant 3 Spray the clean compressed air on the connectors to remove any loose particles or moisture 4 Moisten a clean optical swab with isopropyl alcohol and then lightly swab the surfaces of the connectors 5 Spray the clean compressed air on the connectors again to remove any loose particles or isopropyl alcohol 6 Blow clean compressed air through...

Page 224: ...e of cleaner consult your Tektronix Service Center or representative Inspection Exterior Inspect the outside of the instrument for damage wear and missing parts using Table 6 1 as a guide Immediately repair defects that could cause personal injury or lead to further damage to the instrument Table 6 1 External inspection check list Item Inspect for Repair action Cabinet front panel and cover Cracks...

Page 225: ... liquid to dampen the cloth or applicator Inspection Interior To access the inside of the instrument for inspection and cleaning refer to the Removal and Installation Procedures in this section Inspect the internal portions of the instrument for damage and wear using Table 6 2 as a guide Defects found should be repaired immediately If any circuit board is repaired or replaced check Table 6 2 in Se...

Page 226: ...ace defective hardware Cleaning Procedure Interior To clean the instrument interior do the following steps 1 Blow off dust with dry low pressure deionized air approximately 9 psi 2 Remove any remaining dust with a lint free cloth dampened in isopropyl alcohol 75 solution and rinse with warm deionized water A cotton tipped applicator is useful for cleaning in narrow spaces and on circuit boards STO...

Page 227: ...4B TDS7254B TDS7154B Service Manual 6 7 8 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 ...

Page 228: ...Maintenance 6 8 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 229: ...e procedures that follow H List of tools required to remove and disassemble all modules H Procedures for removal and reinstallation of the electrical and mechanical modules H A disassembly procedure for removal of all the major modules from the instrument at one time and for reassembly of those modules into the instrument Instructions for doing the actual cleaning are found under Inspection and Cl...

Page 230: ...wdriver handle Accepts Torx driver bits 620 440 2 T 10 Torx tip Used for removing the electrical or optical module chassis Torx driver bit for T 10 size screw heads 640 235 3 T 15 Torx tip Used for removing most instrument screws Torx driver bit for T 15 size screw heads 640 247 4 1 8 inch flat bladed screw driver Screwdriver for unlocking cable connectors Standard tool 5 0 Phillips screwdriver Sc...

Page 231: ...st of the instrument when you press the On Standby switch 3 Power off the rear panel power switch before servicing the line fuse or power cord 4 Orient the instrument Set the instrument so its bottom is down on the work surface and its rear is facing you 5 Remove line cord Find the line cord on the rear cover Pull the line cord away to remove from the AC power connector Reverse procedure to reinst...

Page 232: ... Orient the instrument Set the instrument so its bottom is down on the work surface and its front is facing you 3 Remove the knob s Grasp any knob you want to remove and pull it straight out from the front panel removing the knob See Figure 6 2 4 Reinstallation To reinstall align knob to shaft and push it in until it snaps CAUTION To prevent damage to the encoders located on the circuit board appl...

Page 233: ...Removal and Installation Procedures CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 6 13 Figure 6 2 Knob removal ...

Page 234: ...ling out of the front panel trim place a piece of tape over the button b Grasp 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 c Swing the bottom of the ring upward and off the front panel 4 Remove the acquisition trim Use Figure 6 3 page 6 15 as a guide a...

Page 235: ...l trim Acquisition trim Right side trim T 15 Torx screw 3 T 15 Torx screw 4 Top cover trim T 15 Torx screw 2 Carrying handle Snap stud 4 To remove the trim ring slide the flat end of a soldering aid into the side slot on the trim ring Press in then lift up to hook it underneath then pry up Soldering aid Figure 6 3 Trim removal ...

Page 236: ...ument Set the instrument so its top is down on the work surface and its bottom is facing you a Remove the four T 15 Torx screws that secure the bottom cover to the instrument b Remove the bottom cover from the instrument 3 Reinstallation Do in reverse steps a and b to reinstall the bottom cover Bottom cover T 15 Torx screw 4 Figure 6 4 Bottom cover removal Bottom Cover ...

Page 237: ...chassis b Remove the twelve T 15 Torx screws that secure the covers to the bottom of the chassis c Pull the bottom right cover down and slide to the right to remove from the instrument Pull the top left cover upward and slide to the left to remove from the instrument CAUTION Take care not to bind or snag the covers on the instrument internal cabling as you remove or install 3 Reinstallation Do in ...

Page 238: ...ation Procedures 6 18 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual All left and right cover mounting holes are indicated as shown Left side cover Right side cover T 15 Torx screw 11 Figure 6 5 Cover removal ...

Page 239: ...Removal and Installation Procedures CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 6 19 Right side cover T 15 Torx screw 12 Left side cover Figure 6 6 Cover removal ...

Page 240: ...04B TDS7404B TDS7254B TDS7154B Service Manual Pouch Top cover trim Left side cover Rear foot Right side cover Right side trim Acquisition trim Bottom cover Carrying handle Left side trim Front panel trim Front panel cover Chassis Figure 6 7 External modules ...

Page 241: ...ink Fan assembly Front panel assembly Front distribution board Low voltage power supply assembly Power PC PPC board Riser board Floppy disk drive Display module assembly Power flex circuit Display adapter board Hard drive Acquisition board Rear distribution board Front panel board Front panel keypad PA bus board ATX assembly Motherboard Figure 6 8 Internal modules ...

Page 242: ...Removal and Installation Procedures 6 22 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 243: ...k Drive H CD Drive H Front and Rear Power Distribution Boards PA Bus Board H Low Voltage Power Supply H Micro ATX Board H Microprocessor H Fan assembly H Power PC Board H Acquisition Board 1 Locate module to be removed Locate the Front panel assembly in Figure 6 9 on page 6 24 Additional modules to be Removed H Trim Front panel H Floppy Disk Drive or Front Hard Disk Drive 2 Remove the Front Panel ...

Page 244: ... carefully lift the J1 cable connector lock up to disconnect the J1 flex cable from the display module assembly See Figure 6 10 page 6 25 Note the pin 1 index mark and the black stripe on the cable for later reassembly d Pull the Front Panel assembly forward and remove from the instrument 4 Reinstallation Do in reverse steps a through d to reinstall the front panel assembly T 15 Torxdrive screw 6 ...

Page 245: ...nt Panel assembly Figure 6 9 page 6 24 Additional modules to be Removed H Front Panel Knobs H Trim front panel H Front Panel assembly 2 Remove the Front Panel board See Figure 6 11 page 6 26 a Remove the eight T 15 Torxdrive screws that secure the Front panel board to the Front panel assembly b Remove the board from the assembly 3 Reinstallation Do in reverse steps a through b to reinstall the fro...

Page 246: ...nel H Front Panel assembly H Front Panel Board 2 Remove the Front Panel keypad See Figure 6 11 a Pull on each of the keypad support guides to separate the keypad from the Front panel board Use a pair of tweezers or equivalent tool to pull the twelve keypad support guides b Remove the keypad from the front panel board T 15 Torxdrive screw 8 Keypad support guide 12 Front panel board Keypad Figure 6 ...

Page 247: ... assembly Figure 6 12 page 6 28 Additional modules to be Removed H Trim front panel top 2 Orient the instrument Set the instrument so its bottom is down on the work surface and its front panel is facing you CAUTION To avoid damage to the front panel Standby On switch assembly do not set the Display module assembly on a work surface Sliding the instrument over the edge of the work surface could bre...

Page 248: ... 29 and 6 30 CAUTION To prevent degradation of the display sharpness this procedure must be performed in a dust free environment The service technician should wear cotton gloves to prevent finger oils from contaminating any surfaces of the display glass a Disconnect cables J1 and J7 from the Display Adapter circuit board b Separate the assembly by carefully prying the Touch panel outer assembly fr...

Page 249: ...splay adapter board in the locator diagram Internal Modules Figure 6 8 on page 6 21 Additional modules to be Removed H Trim front panel top H Display assembly 2 Remove the Display Adapter Board See Figure 6 14 on page 6 30 a Disconnect cables J2 J3 J4 J5 J6 and J7 from the Display Adapter board b Remove the three T 15 Torxdrive screws that secure the Display Adapter circuit board to the Display as...

Page 250: ...nt panel H Display assembly 2 Orient the assembly Set the display assembly so its back is down on the work surface and its front is facing you 3 Remove the On Standby Switch power flex circuit See Figure 6 15 on page 6 31 a Peel the On Standby switch power flex circuit away from the front of the display assembly b Disconnect the flex circuit from J7 on the Display Adapter circuit board c Grasp the...

Page 251: ...ure the flex circuit connector aligns to J7 on the Display Adapter circuit board c Align the holes in the power flex circuit to the two index posts on the front side of the Display assembly d Firmly press the flex circuit to the Display assembly chassis surface Display assembly Front view Power flex circuit J7 Back view Power flex circuit Display adaptor board Figure 6 15 Power flex circuit remova...

Page 252: ...acing you a Remove the two T 15 Torxdrive screws that secure the floppy disk drive assembly to the drive tray b Remove the floppy drive from the instrument by pulling forward on the assembly tabs until the hand hold hole is exposed Grasp the hand hold and pull until the floppy drive disconnects from the connector Torx screw 2 Floppy drive Figure 6 16 Floppy disk drive assembly removal 4 Reinstalla...

Page 253: ...sk drive may be permanently damaged if it is removed while the instrument is powered on Always power off the instrument before removing the replaceable hard disk drive 2 Orient the instrument Set the instrument so its bottom is down on the work surface and its rear panel is facing you 3 Remove the hard disk drive See Figure 6 18 on page 6 34 a Verify that the instrument is powered down b Loosen th...

Page 254: ...B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual Loosen thumb screws Remove the hard disk drive Figure 6 18 Hard disk drive removal Pry detents 4 Drive cartridge top Drive cartridge bottom Figure 6 19 Separating the halves of the drive cartridge ...

Page 255: ...the slot in the bottom of the cartridge insert the blade of a small flat bladed screwdriver and twist Remove the top of the cartridge b Remove the four 0 Phillips screws that fasten the hard disk drive to the drive assembly c Carefully remove the hard disk drive from the cartridge by pulling forward on the drive removing the drive from the socket Remove 4 screws Hard drive cartridge back side Hard...

Page 256: ...emove the CD Drive assembly See Figure 6 21 on page 6 36 3 Orient the instrument Set the instrument so its bottom is down on the work surface and its rear panel is facing you a Remove the two T 15 Torxdrive screws that secure the CD Drive assembly to the rear chassis b Pull the drive until the connector disconnects c Slide the CD Drive assembly away from the rear of the chassis and remove it from ...

Page 257: ...Phillips screws that secure the bracket to the CD Drive Remove the CD Drive and Interface board from the bracket b Remove the Interface board from the CD Drive by pulling the Interface board straight back until they separate CD drive interface board 0 Phillips screw 4 CD drive bracket Figure 6 22 CD drive and bracket removal 5 Reinstallation Do in reverse steps 3 and 4 to reinstall the CD Drive as...

Page 258: ...bution board and pull it out from the instrument to disconnect it from the following connectors J2 Power supply board and J102 Acquisition board b Remove the Rear Power Distribution board Grasp the Rear Power Distribution board and pull it out from the instrument to disconnect it from the following connectors J610 Processor board J1 Power supply board and J102 Acquisition board c Remove the PA Bus...

Page 259: ...es Figure 6 8 on page 6 21 Additional modules to be Removed H Trim all H Bottom cover H Left and Right covers H Front and Rear Distribution Boards and the PA bus interconnect board 2 Orient the instrument Set the instrument so its bottom is down on the work surface and its right side is facing you 3 Remove the low voltage power supply See Figure 6 24 on page 6 40 a Remove the two T 15 Torxdrive sc...

Page 260: ...l c Grasp the low voltage power supply and carefully slide the assembly out of the instrument 4 Reinstallation Do in reverse steps a through c to reinstall the low voltage power supply T 15 Torxdrive screw 3 T 15 Torxdrive screw 2 Low voltage power supply Figure 6 24 Low voltage power supply removal ...

Page 261: ... cause the loss of some BIOS settings a Move the hold down spring away from the battery Pull the battery up and out of the instrument see Figure 6 25 Micro ATX board Micro ATX battery location Figure 6 25 Micro ATX battery removal 3 Reinstallation Reinstall the micro ATX battery as follows a Do in reverse step 2a to reinstall the micro ATX battery b Reinstall the default CMOS parameters H Press th...

Page 262: ... assembly 2 Remove the Micro ATX Board assembly See Figure 6 29 page 6 45 3 Orient the instrument Set the instrument so its bottom is down on the work surface and its top panel is facing you a Remove the six T 15 Torxdrive screws that secure the floppy drive hard drive frame to the chassis b Lift the rear of the frame and slide the frame to the rear and up out of the instrument c Remove the three ...

Page 263: ...of the ATX assembly and pull up on the assembly to disconnect the Bridge board from the ATX board edge connector f Slide the ATX assembly toward the front of the instrument g To troubleshoot the ATX board and the processor board you may prop up the right side of the ATX assembly Remove the power cable from the front cable clamp Lift the right edge of the assembly Release the arm at the front of th...

Page 264: ...ervice Manual ATX assembly right rear edge Bridge board Release and insert Rear of instrument Front of instrument Cable clamp Figure 6 27 ATX assembly troubleshooting position h To remove the ATX assembly from the instrument Disconnect J410 J510 J180 J182 and J182 from the processor board ...

Page 265: ...J410 J510 J180 J182 J183 Processor board Figure 6 28 Cables i Slide the assembly to the rear of the instrument and lift to remove the assembly j Remove the Micro ATX board assembly from the instrument Remove from the instrument Slide to the rear Rear of instrument Figure 6 29 Micro ATX assembly removal ...

Page 266: ... and 12 V cable connectors from the Micro ATX board J6H1 IDE J2H1 power 12V J9F2 front panel USB J6H2 IDE J9G1 USB Figure 6 30 Cables b Remove the six T 15 Torxdrive screws that secure Micro ATX board to the ATX assembly c Remove the 3 16 nut posts that secure the connectors to the rear of the ATX assembly d Remove the Micro ATX board from the assembly 5 Reinstallation Do in reverse steps 3 and 4 ...

Page 267: ...nd Installation Procedures CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 6 47 Micro ATX board T 15 Torxdrive screw 6 Micro ATX assembly chassis 3 16 Nut posts 6 Figure 6 31 Micro ATX board removal ...

Page 268: ... boards 2 Remove the microprocessor See Figure 6 32 page 6 49 a Disconnect the fan power cable J2F4 from the Micro ATX board b Pull up on the two latch arms on the microprocessor assembly c Lift each leg of the fan and heatsink assembly out of the locking channel d Lift the fan and heatsink assembly off the microprocessor e Lift the microprocessor socket locking lever upward Remove the microproces...

Page 269: ...S7704B TDS7404B TDS7254B TDS7154B Service Manual 6 49 Micro ATX board Microprocessor Fan and heatsink P2F4 Pull up to release the holding bracket J2F4 power cable Latch arm Latch arm Fan legs Socket Locking channel Figure 6 32 Microprocessor removal ...

Page 270: ... and its left side is facing you 3 Remove the fan See Figure 6 33 page 6 51 a Disconnect the fan from the processor board Disconnect the two fan power cables J291 and J390 located on the processor board Remove the fan power cables from under the cable clamp b Remove the two T 15 Torxdrive screws securing the fan assembly to the top main chassis c Lift the fan assembly up and out from the chassis 4...

Page 271: ...nstallation Procedures CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 6 51 Disconnect from J291 Disconnect from J390 T 15 Torxdrive screw 2 Processor board Fan assembly Figure 6 33 Fan assembly removal ...

Page 272: ... board should only be replaced by Tektronix H Trim all H Bottom cover H Left and Right covers H Hard Disk and CD Drive H Floppy Disk Drive H Micro ATX assembly H Rear Power Distribution and PA Bus Boards 2 Orient the instrument Set the instrument so its bottom is down on the work surface and its top panel is facing you 3 Remove the PC processor board assembly See Figure 6 36 on page 6 55 a Disconn...

Page 273: ... Processor board cables c Remove the two 3 16 nut posts that secure the bridge board connector to the rear of the chassis See Figure 6 35 on page 6 54 d Remove the seven T 15 Torxdrive screws securing the PPC processor to the chassis support e Remove the two 9 32 nut posts securing the PPC processor board assembly and connector to the rear chassis f Remove the PPC board ...

Page 274: ...ost 2 PPC Processor board Figure 6 35 PPC Processor board removal CAUTION Removing the Bridge board without first removing the PPC board will damage the connector g Grasp the Bridge board and pull it straight up to disconnect J870 edge card connector from the PPC board Remove the Bridge board from the PPC board assembly See Figure 6 36 page 6 55 ...

Page 275: ...es CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 6 55 Bridge board PPC Processor board Figure 6 36 Bridge board removal 4 Reinstallation Do in reverse step 3 to reinstall the PPC processor board assembly and Bridge board ...

Page 276: ...the instrument so its top is down on the work surface and its bottom is facing you 3 Remove the Acquisition board See Figure 6 37 page 6 57 a Disconnect EXT REF REF OUT SIGNAL OUT AUX OUT and AUX IN coaxial cables from the rear panel BNC connectors b Remove the 10 T 15 Torxdrive screws securing the Acquisition assembly to the front chassis c Remove the six T 15 Torxdrive screws securing the Acquis...

Page 277: ... circuit board T 15 Torx screw 10 Coaxial cables 5 Figure 6 37 Acquisition circuit board removal 4 Access the Front Panel Combination assembly See Figure 6 38 page 6 58 a Remove the TekConnect ribbon cable by grasping the sides of the connector and pulling up b Remove the 7 16 nut from the inside front of the 4 TekConnect buckets ...

Page 278: ...w 3 Nut and washer Cables 3 TekConnect ribbon cable Figure 6 38 Front panel combination assembly removal 5 Remove the TekConnect circuit board See Figure 6 39 page 6 59 Remove the five T 15 Torxdrive screws securing the TekConnect board to the combination assembly 6 Remove a TekConnect bucket See Figure 6 39 page 6 59 Remove the three T 15 Torxdrive screws securing the TekConnect bucket to the Fro...

Page 279: ...es and components requiring replacement of the Acquisition board and Front panel combination assembly Do not let either the board or assembly hang from be lifted by or in some other method stress the cables connected between the Acquisition board and the Front panel combination assembly TekConnect bucket T 15 Torx screw 3 T 15 Torx screw 5 TekConnect board Figure 6 39 TekConnect board and TekConne...

Page 280: ...s b Remove the eight T 15 Torxdrive screws securing the Acquisition assembly to the front chassis c Remove the six T 15 Torxdrive screws securing the Acquisition assembly to the chassis d Slide the Acquisition board toward the rear of the instrument Then lift the board out of the instrument NOTE If you are replacing the acquisition board assembly do not remove the remaining parts they are part of ...

Page 281: ...hassis at the front corners of the Acquisition board 5 Remove the TekConnect circuit board See Figure 6 42 page 6 64 Remove the five T 15 Torxdrive screws securing the TekConnect board to the combination assembly 6 Remove a TekConnect bucket See Figure 6 42 page 6 64 Remove the three T 15 Torxdrive screws securing the TekConnect bucket to the Front Panel Combination assembly ...

Page 282: ...ation Procedures 6 62 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual T 15 Torx screw 6 Acquisition circuit board T 15 Torx screw 8 Coaxial cables 2 Figure 6 40 Acquisition circuit board removal TDS7404B shown ...

Page 283: ...allation Procedures CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 6 63 T 15 Torx screw 3 Nut and washer Cables 4 TekConnect ribbon cable Figure 6 41 Front panel combination assembly removal TDS7404B shown ...

Page 284: ...stallation Procedures 6 64 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual TekConnect bucket T 15 Torx screw 3 T 15 Torx screw 5 TekConnect board Figure 6 42 TekConnect board and TekConnect bucket removal ...

Page 285: ...is manual For assistance contact your local Tektronix Service Center Service Level This subsection contains information and procedures designed to help you isolate faulty modules in the instrument If a module needs to be replaced follow the Removal and Installation Procedures located in this section Check for Common Problems Use Table 6 4 to quickly isolate possible failures The table lists proble...

Page 286: ...H Hold down on standby button on the PPC if system boots replace the power supply Hard disk drive related symptoms H Defective hard disk drive H Incorrect hard disk type selected in the BIOS setup H Replaceable hard disk drive not installed H Power supply failure H Corrupted BIOS module firmware reinstall firmware H Hard disk drive not configured as bootable slave master hard disk drive H Loose ca...

Page 287: ... cable from inverter board to display adapter board H Defective cable from inverter board to backlighting display lamp H Defective backlighting display lamp H Faulty display H Faulty controller board H Faulty inverter board H Faulty display adapter board BIOS error messages H Refer to the BIOS error message tables starting on page 6 77 Equipment Required You will need a digital voltmeter to check ...

Page 288: ...pe Will Not Boot on page 6 70 2 See Booting Into Windows on page 6 71 3 Boot to Safe Mode and restore the registry 4 Consult the troubleshooting section of your Microsoft Windows manual 5 See Troubleshooting Using Reset Circuits on page 6 84 Yes If the instrument Application is not already running start it from the Start menu No Done Yes External monitor blank if present Yes Yes No XGA OK No Reins...

Page 289: ...trument thinks power is on Remove boards one at a time to locate a fault the display floppy acquisition board front analog supply to acquisition board and power distribution board and the MicroATX and the bridge boards If you remove the MicroATX board you must also remove the bridge board The PPC board and the rear power distribution board are required for power to come up If removing the boards d...

Page 290: ...ower distribution board P1 and Power supply J1 Voltage Pins A B C1 3 5 7 9 11 3 3 V Pins A B C5 6 12 V Pins A B C13 15 V Pins A B C8 9 11 12 14 15 17 5 V Pins A B C15 15 V Pins A B C19 21 23 25 27 29 31 3 3 V Pins A B C17 18 20 21 22 5 V Pins B C3 fan voltage 9 8 V Pins A B C24 25 27 28 30 31 5 V Rear power distribution circuit board Front power distribution circuit board PA bus circuit board J2 a...

Page 291: ...isconnect the PPC board by installing J114 and J115 3 If the system boots It will only boot to Windows the instrument application will not run to the external MicroATX video port replace the PPC board If the instrument boots into Windows but the instrument application does not work the DPO Man graphic is displayed check the following 1 The application software 2 The Acquisition board 3 The PPC boa...

Page 292: ...lp you isolate problems to system modules The power on tests ensure that hardware is installed and can be accessed by the software The tests provide limited diagnostic information but do not provide any performance information The instrument diagnostics provide more extensive tests than the power on diagnostics The power on tests check the generic hardware including the keyboard mouse memory CPU a...

Page 293: ...r Codes Group test Display Registers 211 Display n Acquisition Registers 311 DAC 312 Demux 313 Atten 314 Preamp 315 PLL 316 ADC n Memory 321 MemData 322 MemAddr 323 DataFormat 324 MemSpeed n Acq Modes 331 SubSample 332 PeakDetect 333 HiRes n Interrupt 341 Bit Tests n HF Step 351 PhaseCal n n Vertical 371 50OhmOvld 372 ADC Connects n PLL 381 Clock Freq n ...

Page 294: ...tory Cal Data n Cal Integrity run cal 531 Cal Data n Factory Bank2 Integrity 541 Factory Bank2 n If the instrument passes all the BIOS tests and Windows boots the primary tree calls for you to run CheckIt Utilities diagnostics software CheckIt Utilities is a comprehensive diagnostic software application to check and verify the operation of the PC hardware in the instrument CheckIt Utilities To run...

Page 295: ...a bad module is found replace the module The two levels of diagnostics are the short confidence set and the extended set that tests the instrument circuitry in depth and takes more time At power on the instrument automatically executes the short set The extended set is optional and is executed by using the following procedure Prerequisites Power on the instrument and allow a 20 minute warm up befo...

Page 296: ...cation 80h and tries to write the codes to the display If the error is fatal then the POST code indicates the last successful checkpoint reached Table 6 9 lists the error messages displayed by the BIOS Table 6 8 lists the error messages displayed by the BIOS Once the display is enabled errors are written to the display as text messages These messages are always displayed unless the board is config...

Page 297: ...ry Size Decreased If no memory was removed the memory may be bad Memory Size Increased If no memory was added system may have a problem Memory Size Changed If no memory was added or removed the memory may be bad No Boot Device Available Boot device not found Off Board Parity Error Parity error occurred on an off board card On Board Parity Error Parity error occurred in on board memory Parity Error...

Page 298: ...88h Returned from CMOS setup program and screen is cleared 13h Video display is disabled and port B is initialized Chipset initialization about to begin 89h Programming after setup complete 14h 8254 timer test about to start 8Bh First screen message displayed WAIT message displayed 19h About to start memory refresh test 8Ch Setup options programming after CMOS setup about to start 1Ah Memory Refre...

Page 299: ...7h NMI and parity enabled 39h Display different buses initialization error mes sages A8h Initialization before E000 ROM control over 3Ah New cursor position read and saved To display the Hit DEL message A9h Returned from E000 ROM control 40h To prepare the descriptor tables AAh Initialization after E000 optional ROM control is over 42h To enter virtual mode for memory test ABh Put INT13 module run...

Page 300: ...ressed recovery code is uncompressed in F000 0000 in Shadow RAM and give control to recovery code in F000 Shadow RAM Initialize interrupt vector tables initialize system timer initialize DMA controller and interrupt controller 52h Memory testing initialization above 1M complete E8h Initialize extra Intel Recovery Module 53h Memory size information is saved CPU registers are saved E9h Initialize fl...

Page 301: ... powers on a number of the BIOS checkpoints generate an audible beep code on failure using the standard PC speaker also routed through the board audio system The beep codes are listed in Table 6 11 Codes are also written to I O port 80h and the video adapters External ROM modules may issue a series of tones on error detection The BIOS generates one short beep if the power up self tests complete wi...

Page 302: ...p on entire phase 2 POST This switch is checked at every loop iteration so it is possible to break out of this loop by moving switch 3 to the default position You can not loop on a single passing test 4 Allow debug output Suppress debug output Used by the console Checked at every write operation 5 Loop on failing test Continue past failing test If a test fails except DRAM march test and switch 6 i...

Page 303: ...est only an attempt to read the PCI bus Read the configuration space of the SIO The SIO should return the vendor device identifier 0x00021057 within MPC740 gpr2 register No data comparison or fault determination occurs DIP switches are not checked Set UART to 9600 n 8 1 No testing or fault reporting is performed Once completed console is usable Dip switches are not checked 1 First PCI access test ...

Page 304: ...to connect to host P Loading files from host Program has connected to host and is loading instrument files Load process complete Files have completed loading Troubleshooting Using Reset Circuits The Power PC PPC board uses a combination of removable jumpers and surface mount resistors to manipulate circuit reset for troubleshooting There are three PCI busses on the PPC board the MicroATX primary P...

Page 305: ... Windows side Note neither the Bridge board VGA port or the LCD will function if J115 is installed Use the MicroATX VIDEO port see Figure 6 47 NOTE The Tvia video adapter located on the Bridge board is the primary video adapter A second video adapter is located on the MicroATX board The second adapter is an Integrated MicroATX video adapter and the Tvia video adapter is a PCI bus video adapter The...

Page 306: ... following procedures CAUTION Only install CMOS parameters from Tektronix CMOS parameters from other manufactures may make your instrument inoperable If you cannot restore the CMOS memory replace the battery Restore the CMOS as follows 1 Press the F2 key during reboot to enter the BIOS SETUP UTILITY 2 In the BIOS SETUP UTILITY press the F9 key 3 Press the Enter key to Load Optimal Defaults 4 In th...

Page 307: ...personal computer Using ScanDisk attempt to fix the disk without destroying data on the disk To use ScanDisk perform the following steps 1 Remove the hard disk drive from the instrument 2 Install the hard disk drive into a personal computer 3 Power up the computer and run ScanDisk Set Scandisk to perform a thorough surface scan and to automatically fix errors H Using Microsoft Windows 2000 select ...

Page 308: ...Troubleshooting 6 88 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 309: ...n 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 ...

Page 310: ...Repackaging Instructions 6 90 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 311: ...Options ...

Page 312: ......

Page 313: ...Ms maximum n n n n n 3M Long record length 4 Ms per channel 16 Ms maximum n n n n n 4M Long record length 8 M per channel 32 Ms maximum n n n n n 5M Long record length 16 M per channel 64 Ms maximum n n n n n Power cords A0 North American 115 V 60 Hz power cord standard n n n n n A1 Universal European 230 V 50 Hz power cord n n n n n A2 United Kingdom 230 V 50 Hz power cord n n n n n A3 Australian...

Page 314: ...uires TDSUSBF USB test fixture n n n n n SM Serial Communications Mask Testing Standard on CSA7000B Series n n n n ST Serial Pattern Triggering Standard on CSA7000B Series n n n n TC1 Add one TCA 1MEG TekConnect high impedance buffer amplifier n n Field upgrades CSA7BUP Many are available Contact Tektronix see the back of the title page for a complete list of available CSA7UP options n TDS7BUP Man...

Page 315: ...enChoicet Solutions Kit 020 2513 xx Option SM and ST User Manual 071 1228 xx Online Help part of the application software Performance Verification a pdf file on the Product Software CD Programmer Online Guide files on the Product Software CD NIST Z540 1 and ISO9000 Calibration Certificate Four TekConnect to SMA adapters TDS7704B CSA7404B TDS7404B TCA SMA Four TekConnect to BNC adapters TDS7254B TD...

Page 316: ...art number Service Manual 071 1227 xx Transit Case 016 1522 xx Scope Cart K4000 Option 1K P6158 20x 1 kΩ low capacitance voltage divider probe1 P6158 P6245 1 5 GHz high speed active probe1 P6245 P6248 1 5 GHz differential probe1 P6248 P7240 active 4 GHz probe P7240 P7260 active 6 GHz probe TDS7704B P7260 P7330 differential 3 5 GHz probe P7330 P7350 differential 5 GHz probe P7350 P7380SMA 8 GHz Dif...

Page 317: ...1100 to 1650 nm 1 P6703A B AFTDS Telecomm differential electrical interface adapter for line rates 8 Mb s requires TCA BNC adapter 1 AFTDS TDSUSBF USB test fixture used with Option USB TDSUBF AMT75 1 GHz 75 Ω ohm adapter1 AMT75 TekConnect to SMA adapter TCA SMA TekConnect to BNC adapter TCA BNC TekConnect to N adapter TCA N TekConnect high impedance buffer amplifier 500 MHz 1 MΩ BNC to TekConnect ...

Page 318: ... FC PC SC PC 119 5115 00 119 5116 00 SC PC ST PC 119 5116 00 119 4513 00 ST PC 119 4513 00 DIN PC 47256 119 4546 00 Diamond 2 5 119 4556 00 Diamond 2 5 Diamond 3 5 119 4556 00 119 4558 00 Diamond 3 5 SMA 2 5 119 4558 00 119 4517 00 SMA 2 5 SMA 119 4517 00 119 4557 00 SMA 119 4557 00 Dust cap optical CSA7404B 200 4104 00 1 Requires TCA BNC TekConnect BNC adapter NOTE The P6339A probe is not support...

Page 319: ...Replaceable Electrical Parts ...

Page 320: ......

Page 321: ...lectrical Parts List The modules that make up this instrument are often a combination of mechanical and electrical subparts Therefore all replaceable modules are listed in Section 10 Mechanical Parts List Refer to that section for part numbers when using this manual ...

Page 322: ...Electrical Parts List 8 2 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

Page 323: ...Diagrams ...

Page 324: ......

Page 325: ...bology is based on ANSI IEEE Std 91 1984 in terms of positive logic Logic symbols depict the logic function performed and can differ from the manufacturer s data The tilde preceding a signal name indicates that the signal performs its intended function when in the low state Other standards used in the preparation of diagrams by Tektronix Inc are H Tektronix Standard 062 2476 Symbols and Practices ...

Page 326: ...ear Power Bus Front GPIB RS232 TTY0 Diags Cal adjust lock XGA Floppy Drive Display Panel Inverter Board Display Adapter Board Touch Panel Front Panel ON STANDBY Fans Aux In Aux Out Sig Out Ext Ref Ref Out Optical In Electrical Out O E Converter CSA7000B Series Recovered Data Recovered Clk CSA7000B Series HPI Probe Interface Ch1 Ch2 Ch3 Ch4 IDE Adapter Drive Adapter Board PA Bus Probe Comp J100 J10...

Page 327: ...Replaceable Mechanical Parts ...

Page 328: ......

Page 329: ...mber H Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance Module Ex...

Page 330: ... item name identification 7 Mfr Code This indicates the code of the actual manufacturer of the part Code to name and address cross reference is located after this page 8 Mfr Part Number This indicates the actual manufacturer s or vendor s part number Abbreviations conform to American National Standard ANSI Y1 1 1972 The following table cross indexes codes names and addresses of manufacturers or ve...

Page 331: ...37 55566 RAF ELECTRONIC HARDWARE INC 95 SILVERMINE ROAD SEYMOUR CT 06483 57924 BOURNS INC INTEGRATED TECHNOLOGY DIV 1400 NORTH 1000 WEST LOGAN UT 84321 5Y400 TRIAX METAL PRODUCTS INC 1880 SW MERLO DRIVE BEAVERTON OR 97006 61058 PANASONIC INDUSTRIAL CO ECG M S 7H 4 TWO PANASONIC WAY SECAUCUS NJ 07094 61935 SCHURTER INC 1016 CLEGG CT PO BOX 750158 PETALUMA CA 94975 0158 62786 HITACHI AMERICA LTD HIT...

Page 332: ...E OR 97070 TK6065 ACLARYN PLASTICS 5405 SE ALEXANDER ST STE L HILLSBORO OR 97123 8584 TK6106 R J SINGER INTERNATIONAL INC 4801 W JEFFERSON BLVD LOS ANGELES CA 90016 TK6121 TUMBLER CORP 4241 BUSINESS CENTER DR FREMONT CA 94538 TK6253 VOLEX INC 646 CARRIBEAN DR SUNNYVALE CA 94089 1108 TK6457 BEIJING MINGDAR TECHNOLOGY INC RM 213 LUIPU BLDG NO 5 XIAGUANG LI CHAOYANG DISTRICT BEIJING CN TK6592 SOURIAU...

Page 333: ... A B Y O L L A S B A C P E S A B E L D N A H T E K C A R B 1 0 0 7 8 8 4 7 0 4 2 1 FR 110 TEK BLUE TK2565 407 4887 00 0 0 5 7 7 4 0 0 2 3 4 9 1 K T T H G I R M O T T O B R E V O C 1 0 0 5 7 7 4 0 0 2 3 1 E G N A R D A E H L E N A P L 5 1 4 0 x D O 3 6 1 0 D I L O S T E V I R 1 0 0 4 6 1 0 0 1 2 STYLE NYLON 3M099 D30 0156 01 D A L C L Y N I V L A 0 4 0 0 T E E F W M O T T O B M E S S A R E V O C 1 ...

Page 334: ...me description Qty Serial no discont d Serial no effective Tektronix part number 335 0989 00 1 MARKER IDENT MKD TDS7154B W ADHESIVE 0KB05 335 0989 00 22 200 4825 00 1 COVER TOP LEFT 0 050 AL TK1943 200 4825 00 23 200 4521 00 1 COVER LEFT PC ABS 13 654L X 8 250W TEK BLUE 7X318 2TEK1632 24 200 4520 00 1 COVER TOP PC ABS 17 200L X 13 550W TEK BLUE 7X318 2TEK1637 ...

Page 335: ...Mechanical Parts List CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 10 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 16 17 18 19 20 21 22 23 24 15 Figure 10 1 External parts ...

Page 336: ...79 4840 00 1 CKT BD SUBASSY PRODUCTION PA BUS 80009 679 4840 00 18 679 4477 00 1 CKT BD SUBASSY REAR POWER DISTRIBUTION 80009 679 4477 00 19 679 4476 00 1 CKT BD SUBASSY FRONT POWER DISTRIBUTION 80009 679 4476 00 20 361 1762 00 1 SPACER SUPPORT 0 250 X 0 171 X 0 375 CKT BD NYLON 06915 CPST 4 01 21 614 1021 00 1 PANEL ASSEMBLY FRONT ITEMS 22 THROUGH 27 80009 614 1021 00 22 174 4872 00 1 CABLE ASSY ...

Page 337: ...5 01 41 650 4632 00 1 MODULE ASSY LCD INCLUDES ITEMS 42 THROUGH 44 80009 650 4632 00 42 174 4791 00 1 CABLE ASSEMBLY FLAT FLEX DISPLAY ADAPTER TO DISPLAY 1DM20 174 4791 00 43 679 5497 00 1 CKT BD DISPLAY ADAPTER 80009 679 5244 00 44 174 4794 00 1 CABLE ASSY SP RIBBON DISPLAY ADAPTER TO INVERTER CPR 28 AWG 9 5 L 1X5 0 049CTR 060D9 OBD 45 174 4267 00 2 CA ASSY FAN TRAY EXTENDER 060D9 174 4267 00 46 ...

Page 338: ...404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 6 27 28 29 30 6 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 6 46 47 48 49 Figure 10 2 Front panel and drives ...

Page 339: ...1 2368 00 8 214 3903 00 8 JACKSCREW 4 40 X 0 312 00779 554043 3 9 213 1061 00 2 JACKSCREW 6 32 X 0 320 EXT THD M3 5 X 0 6 6 INT THD X 0 215L GPIB BLACK 00779 554043 3 10 211 1050 00 17 SCREW MACHINE 6 32 X 0 312 L PNH STL CAD PLT T15 0KB01 OBD 11 679 5632 00 B010001 B019999 1 CKT BD SUBASSY ATX XGA BRIDGE 80009 679 5632 00 679 5632 01 B020100 1 CKT BD SUBASSY ATX XGA BRIDGE 80009 679 5632 01 12 No...

Page 340: ...Mfr part number Mfr code Name description Qty Serial no discont d Serial no effective Tektronix part number 27 343 1683 00 1 CLAMP VERTICLE WIRE SADDLE NYLON TK1943 343 1683 00 28 156 9442 00 1 IC MEMORY CMOS DRAM ATX 29 174 4906 00 2 CA ASSY RND RIBBON UDMA 060D9 174 4906 00 1 Replacement of this part must be performed by Tektronix ...

Page 341: ...Mechanical Parts List CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 10 13 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 8 Figure 10 3 Power supply ...

Page 342: ...174 2031 00 4 CABLE ASSY COAX RFP 50 OHM 6 5L PELTOLA BOTH ENDS 210 0775 00 210 0800 00 060D9 174 2031 00 5 174 4634 00 1 CA ASSY SP RIBBON IDC 8 26 AWG 3 5 L DUAL ENDED FE MALE STR 1X8 0 100 CTR 30 GOLD 060D9 174 4634 00 6 348 1719 00 1 GASKET SHIELD 5 250 X 1 0 URETHANE FOAM W ACRYLIC ADHESIVE ECCOSORB LS26 SS 3 2K262 348 1719 00 7 131 1315 01 4 CONN RF JACK BNC PNL 50 OHM FEMALE STR PELTOLA PNL...

Page 343: ...Mechanical Parts List CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 10 15 1 2 3 4 5 6 7 8 4 9 10 Figure 10 4 Acquisition assembly CSA7000B Series ...

Page 344: ...00 174 0206 00 2 CABLE ASSY RF 50 OHM COAX 11 25 L PELTOLA X PELTOLA 210 0800 00 RFP TDS7704B 060D9 ORDER BY DE SCRIPTION 5 174 0206 00 2 CABLE ASSY RF 50 OHM COAX 11 25 L PELTOLA X PELTOLA 210 0800 00 RFP 060D9 ORDER BY DE SCRIPTION 6 119 6562 00 1 COMBO ASSEMBLY BBO SUBASSY FRONT PANEL INCLUDES ITEMS 6 THROUGH 9 80009 119 6562 00 7 679 5236 00 1 CIRCUIT BD ASSY PROBE INTERFACE POGO 80009 679 523...

Page 345: ...Mechanical Parts List CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual 10 17 1 2 5 3 4 6 7 8 9 10 11 Figure 10 5 Acquisition assembly TDS7000B Series ...

Page 346: ...04 07 1 CA ASSY PWR 3 1 0MM SQ 240V 10A 2 5 METER FUSED OPTION A2 UNITED KINGDOM TK2541 ORDER BY DE SCRIPTION 4 161 0167 00 1 CA ASSY PWR 3 0 75MM SQ 250V 10A 2 5 METER OPTION A5 SWITZERLAND S3109 ORDER BY DE SCRIPTION 5 161 0306 00 1 CA ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER OPTION A10 CHINA TK6253 92 2637 250BKH 1 CABLE ASSY PWER 3 18 AWG 92 L STANDARD CABLE SEE FIG 10 1 6 S3109 ORDER BY DE SCRI...

Page 347: ...MANUAL W SW TK2548 020 2449 02 020 2513 00 1 ACCESSORY KIT GETTING STARTED WITH OPEN CHOICE SOLUTIONS W SW TK2548 020 2513 00 020 2450 12 1 ACCESSORY KIT OPTIONAL APPLICATIONS W SW TK2548 020 2450 12 063 3632 03 1 SOFTWARE PKG PRODUCT SOFTWARE V2 2 0 CD CSA7404B TDS7404B TDS7254B TDS7154B TK2548 063 3632 00 063 3633 03 1 SOFTWARE PKG PRODUCT SOFTWARE V2 2 0 CD TDS7704B TK2548 063 3633 03 200 4104 ...

Page 348: ...Mechanical Parts List 10 20 CSA7404B TDS7704B TDS7404B TDS7254B TDS7154B Service Manual ...

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