Home

TDS3000C Series Digital Phosphor Oscilloscopes Service Manual

1. TDS3000C Series Service Manual 1 5 Operating Information 1 6 Charging the Battery The battery charges automatically when the oscilloscope is connected to line power You can also charge the battery with the optional external charger TDS3CHG Configuration Battery charging in oscilloscope with oscillo scope turned on or off Battery charging with TDS3CHG external charger Typical charging time 32 hours 6 hours NOTE Charge the battery before using it for the first time or after prolonged Storage Refer to the TDS3BATC Rechargeable Battery Pack Instructions Tektronix part number 071 0900 xx for information on battery storage and disposal and for Battery Maintenance Guidelines These instructions are available on the Tektronix Web site at www tektronix com manuals TDS3000C Series Service Manual Operating Information Installing an Application Module CAUTION To avoid damage to the oscilloscope or application module observe the ESD precautions described on page vii Optional application packages are available to extend the capability of your oscilloscope You can install up to four application modules at one time Application modules can go into the two slots with windows in the upper right corner of the front panel Two additional slots are directly behind the two you can see Application modules Contacts Refer to the TDS3000 TDS3
2. Signal Connections The adjustment procedure requires three types of equipment setups if you are adjusting a four channel oscilloscope or four types if you are adjusting a two channel oscilloscope For each step of the procedure the oscilloscope display indicates which setup is the correct one to use The equipment setups are described below Applying DC Voltageto The first adjustment procedures require a DC voltage or zero volts applied Input Channels simultaneously to all instrument channels A typical on screen instruction might read Apply 0 0000 V DC signal to all channels When you see an instruction similar to this connect the oscilloscope to the DC voltage source to all the channels as shown below and then set the DC voltage to the specified value DC voltage source Four channel oscilloscope Equal length BNC cables A BNC tees DC voltage Two channel oscilloscope source Equal length BNC cables BNC tee TDS3000C Series Service Manual 3 3 Adjustment Procedures Applying AC Voltage to a 3 4 Channel NOTE If the DC voltage source you are using has an output head use a female to female BNC adapter and a short BNC cable to make the connection to the first BNC tee A number of steps require setting the input voltage to 0 0000 V Some calibration equipment can inject a small amount of noise or have a very low level AC signal n
3. 1 GPIB port Connect to a controller for remote programmability 2 RS 232 port Connect to a controller or terminal for remote programmability or printing 3 VGA port Connect to a VGA monitor to display the screen image 1 20 TDS3000C Series Service Manual Operating Information Probe Compensation Perform this adjustment to match your probe to the input channel This should be done whenever you attach a passive probe for the first time to any input channel 1 Connect the oscilloscope probe to channel 1 AUTOSET Attach the probe tip and reference lead to the PROBE COMP button PROBE COMP connectors then push AUTO SET If using the probe hook tip ensure a proper O connection by firmly twisting the tip onto the probe CH1 2 Check the shape of the displayed waveform AAA Overcompensated AU A Undercompensated AEF Compensated correctly 3 If necessary adjust your probe P3010 P6139A Repeat as necessary mn TDS3000C Series Service Manual 1 21 Operating Information Self Calibration 1 22 The self calibration routine lets you quickly optimize the oscilloscope signal path for maximum measurement accuracy You can run the routine anytime but you should always run the routine if the ambient temperature changes by 10 C or more To compensate the signal path do the following steps 1 Disconnect any probes or cables from the channel input connectors 2 Push the UTILI
4. Removal Use this procedure to remove the rear chassis battery board power supply power supply bracket line filter fan and rear USB cable 1 Place the oscilloscope face down on soft surface such as an anti static mat with the bottom facing you Disconnect the following cables see Figure 4 5 a Line trigger cable from main board connector J980 b DC power cable from main board connector J900 c Display backlight power cable from the battery board Turn the oscilloscope around so the top is facing you and disconnect the following cables see Figure 4 5 a Rear USB cable from main board connector J815 b Ethernet cable from main board connector J920 TDS3000C Series Service Manual Maintenance 4 Remove the four screws that secure the rear chassis to the front chassis Two screws are near the Ethernet connector one screw is by the cooling fan and one screw is on the AC line filter shield see Figure 4 5 5 Lift the rear chassis assembly partially away from the front chassis 6 Unplug the braided cable from the rear chassis BNC connector four channel models only Note how the cable is routed for when you reassemble the instrument fa Ethernet connector J920 USB device connector J815 Screws T 15 2 Screws T 15 2 DC power connector J900 Line trigger connector J980 2507001 Figure 4 5 Rear chassis cables to the main board TDS3000C Series Servi
5. 7 Pull outward on the handle at the hub to release the display side hub assembly You may need to rotate the handle up and down slightly to help release the hub assembly See Figure 4 2 TDS3000C Series Service Manual 4 9 Maintenance Figure 4 2 Releasing the hub assembly 8 10 Locate the remaining hub on the opposite side of the oscilloscope Place the oscilloscope with the remaining hub facing you Keep the handle at the same position used in step 6 Use the needle nose pliers to pull the metal pin in the remaining hub outward approximately 6 mm 0 25 in Raise the handle to its full upright position The hub should rotate with the handle If the hub does not rotate with the handle return the handle to the down position pull the pin out a little farther and then rotate the handle toward the top of the oscilloscope TDS3000C Series Service Manual Maintenance 11 Pull outward on the handle to release the remaining hub assembly You may need to rotate the handle back and forth slightly to help release the hub assembly 12 Grasp the handle on both sides and pull outwards to remove the handle from the oscilloscope Installation Use this procedure to reinstall the handle 1 Place the oscilloscope on its feet on soft surface such as an anti static mat with the front facing you 2 Verify that the front and rear cases fit together tightly 3 Grasp the handle from both sides and stretc
6. Remove the front panel cable from connector J700 Remove the front panel USB Host cable from connector J805 If present start to remove the clip from the display cable at connector J500 to the position shown in the upper illustration in Figure 4 9 There is not sufficient clearance to completely remove the clip until the main board is loosened Use a magnetic TORX T 15 screwdriver long bit to remove the four screws that secure the main board to the front panel assembly See Figure 4 9 Release the two snaps that hold the main board see Figure 4 9 Lift the main board out of the front panel assembly Use the X inch flat bladed screwdriver to carefully lift the display cable from connector J500 on the main board See Figure 4 9 4 21 Maintenance Screws Clip sitting over the connector pe Display cable 4 connector J500 USB connector J805 Front panel connector J700 Pogo pin CAUTION Pogo pins are easily damaged handle with care Read caution note at bottom of this page Figure 4 9 Main Board CAUTION There are a number of small pogo style pins that extend from the main board to contact the front chassis These pins are easily damaged Use the following guidelines whenever you handle the main board m Always place the main board on your work surface with the pogo pins facing up m Do not apply any sideways force on the pogo pins or slide any objects across the pogo pins as t
7. Table 4 1 Internal inspection check list o oooomo o 4 3 Table 4 2 Removal and installation procedures 4 6 Table 5 1 TDS3000C Series options o oooomoomomo 5 1 TDS3000C Series Service Manual AS AE General Safety Summary To Avoid Fire or Personal Injury Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use Connect and Disconnect Properly Connect the probe output to the measurement instrument before connecting the probe to the circuit under test Disconnect the probe input and the probe ground from the circuit under test before disconnecting the probe from the measurement instrument Ground the Product When operating with AC power this product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded When operating with battery power this product must still be grounded To prevent electric shock always connect a grounding wire between the ground terminal on the rear panel and earth ground Observe All Terminal Ratings To avoid fire or
8. such as an anti static mat with the bottom facing you Position the rear chassis assembly above the oscilloscope assembly Dress the DC power cable under the power supply and toward you Insert the braided external trigger cable into the BNC connector on the rear chassis four channel models only Position the left side fan end of the rear chassis onto the two small tabs Secure the rear chassis to the front chassis with four screws two screws near the BNC connector one screw on the fan end of the chassis and one screw onto the AC filter shield See Figure 4 5 Connect the following cables see Figure 4 5 a Line trigger cable to main board connector J980 b DC power cable to main board connector J900 c Display backlight power cable to the battery board Turn the oscilloscope around so the top is facing you and connect the following cables see Figure 4 5 a Rear USB cable to main board connector J815 b Ethernet cable to main board connector J920 TDS3000C Series Service Manual Maintenance Main Board You will need a inch flat bladed screwdriver and a TORX T 15 screwdriver to remove the main board Removal Use this procedure to remove the front panel cable front USB cable display cable and main board Refer to figure 4 9 for these procedures 1 TDS3000C Series Service Manual Place the oscilloscope assembly face down on a soft surface such as an anti static mat with the bottom facing you
9. 4 9 Main Board o oooooooocoocroromcrcrco mr 4 22 Figure 4 10 Install the J500 connector clip 4 24 Figure 4 11 Taping trigger cable four channel models only and display cable cee cece cece cece cere eee e renee eees 4 25 Figure 4 12 Front chassis 0 cc cece cece ee eee e ee eees 4 26 Figure 4 13 Display module cc cece eee c ec ee eevee 4 27 Figure 4 14 Front panel cable routing oo oo oo oo 4 28 Figure 4 15 Front panel USB port removal o o ooo o o 4 29 Figure 4 16 Remove front panel knobs oo o ooo oo 4 30 Figure 4 17 Remove front panel board o oooomommo m o 4 31 Figure 4 18 Remove front panel keypads o o ooo oo 4 32 Figure 4 19 Checking front panel lock nuts 4 33 Figure 4 20 Primary troubleshooting procedure 4 36 Figure 4 21 AC power supply troubleshooting procedure 4 37 Figure 4 22 Module isolation troubleshooting procedure 4 38 Figure 6 1 Exploded view front case half o o 6 4 Figure 6 2 Exploded view LCD display o o o o o o 6 6 Figure 6 3 Exploded view main board ooooo ooo o o 6 8 Figure 6 4 Exploded view circuit board assembly and fan 6 10 Figure 6 5 Exploded view rear case half o o ooo oo 6 12 TDS3000C Series Service Manual iii Table of Contents List of Tables
10. ACCY TRAY ACCESSORY BATTERY COMPARTMENT MANUAL TECH ENGLISH TDS3000C SERIES MANUAL TECH FRENCH TDS3000C SERIES MANUAL TECH ITALIAN TDS3000C SERIES MANUAL TECH GERMAN TDS3000C SERIES MANUAL TECH SPANISH TDS3000C SERIES MANUAL TECH JAPANESE TDS3000C SERIES MANUAL TECH PORTUGUESE TDS3000C SERIES MANUAL TECH SIMPLIFIED CHINESE TDS3000C SERIES MANUAL TECH TRADITIONAL CHINESE TDS3000C SERIES MANUAL TECH KOREAN TDS3000C SERIES MANUAL TECH RUSSIAN TDS3000C SERIES MANUAL TECH SERVICE TDS3000C SERIES TDS3AAM ADVANCED ANALYSIS APP MODULE TDS3LIM LIMIT TEST APP MODULE TDS3SDI 601 DIGITAL VIDEO APP MODULE TDS3TMT TELECOM MASK TEST APP MODULE TDS3VID EXTENDED VIDEO APP MODULE TDS3GV GPIB RS232 VGA COMM MODULE CABLE ASSY POWER OPTION COUNTRY P N AO NORTH AMERICA 161 0348 00 Al UNIVERSAL EURO 161 0343 00 A2 UNITED KINGDOM 161 0344 00 A3 AUSTRALIA 161 0346 00 A5 SWITZERLAND 161 0347 00 A6 JAPAN 161 0342 00 A10 CHINA 161 0341 00 A11 INDIA 161 0349 00 TDS3CHG EXTERNAL BATTERY CHARGER TDS3BATC RECHARGEABLE BATTERY PACK AC3000 OSC SOFT CARRY CASE RM3000 RACK MOUNT KIT NI LabVIEW SignalExpress Tektronix Edition software for OSC OpenChoice Desktop PC Communications software for OSC TDS3000C Series Service Manual
11. DC 0 5 V between line 1 and line 6 of the disconnected cable see figure at right WARNING Be careful when measuring near the AC power supply as there are line voltages present on exposed parts SS Are there 15 volts between pins 1 and 6 Pin 1 J180 Battery board Replace the AC Power Supply module AC power supply OK Return the TDS3000C oscilloscope to the nearest Tektronix Service Center for repair Figure 4 21 AC power supply troubleshooting procedure TDS3000C Series Service Manual 4 37 Maintenance This procedure assumes that the oscilloscope displays power up diagnostics messages Does the power up screen report any errors Oscilloscope is operating OK e Push UTILITY e Push System to select Diags e Push OK Confirm Run Test e Determine failure e Use table to select module to replace Failed Test__ Most Likely Cause Acquisition Main board CPU Main board Display Main board Front Panel Front Panel or Main board 1 0 Comm module or Main board ROM Main board App Modules Front Panel or App keys Figure 4 22 Module isolation troubleshooting procedure 4 38 TDS3000C Series Service Manual Maintenance Unpacking and Repacking Instructions This section contains the information needed to unpack the oscilloscope and repack it for shipment or storage Unpacking The oscilloscope and its standard accessories are carefully packed at th
12. Figure 4 13 Display module Installation Use this procedure to install the display module into the front chassis and install the front chassis 1 2 TDS3000C Series Service Manual Place the front chassis with the display facing you See Figure 4 13 Push the display module tabs through the chassis holes Use your thumbs to slide all four display module tabs down as far as possible to lock the display module in place on the front chassis Place the oscilloscope face down on a soft surface such as an anti static mat with the bottom facing you 4 27 Maintenance 5 Front panel cable Route the front panel cable so that it lies parallel to and along the top edge of the bezel button flex circuit Position the black vinyl cable cover so that the wires are exposed from the front panel connector to just over the edge of the front panel board Route the front panel cable through the cable post on the front panel and tuck part of the cable just under the bottom corner of the front panel board See Figure 4 14 Front chassis Cable post Figure 4 14 Front panel cable routing 7 Insert the front chassis assembly into the oscilloscope Insert the right end of the front chassis slightly ahead of the left end to clear a slight interference at the right end of the chassis Route the front panel cable through the notch located on the bottom edge of the front chassis See Figure 4 14 Use the TORX T 10 screwdri
13. Ion rechargeable batteries require routine maintenance and care in their use handling and disposal Refer to the TDS3BATC Rechargeable Battery Pack Instructions 071 0900 xx to safely use Lithium Ion batteries and achieve the maximum battery life span These instructions are available on the Tektronix Web site at www tektronix com manuals TDS3000C Series Service Manual Operating Information Operating Safely with Battery Power WARNING To avoid electric shock always connect the rear panel ground terminal to earth ground when operating the instrument from battery power For safe operation the oscilloscope chassis must remain at earth ground potential even when operating from battery power Without a connection between the chassis and earth ground you can receive a shock from exposed metal on the chassis if you connect an input to a hazardous voltage gt 30 Vrms gt 42 Vpx To protect against this condition attach the Tektronix supplied grounding wire from the terminal on the rear panel to earth ground If you use a different grounding wire it must be larger than 18 gauge 1 mm2 SO I When you start to use the battery pack an on screen message reminds you to connect the grounding wire between the ground terminal on the rear panel and earth ground If you choose not to attach the grounding wire you are not protected against electric s
14. connect the oscilloscope and the test equipment to the same AC power circuit Connect the oscilloscope and test instruments into a common power strip if you are unsure of the AC power circuit distribution Connecting the oscilloscope and test instruments into separate AC power circuits can result in offset voltages between the equipment which can invalidate the adjustment procedure 2 Locate the hole that provides access to the CAL switch on the rear panel CAL SSS E E Se SSS o c to lt ec I y 3 Put the adjustment tool into the CAL switch hole Push and hold the CAL switch in while you power on the oscilloscope Release the switch when the oscilloscope shows the power on message with the oscilloscope graticule in the background 4 Push the SAVE RECALL button 5 Push the Recall Factory Setup screen button 6 Push the OK Confirm Factory Init screen button to restore factory settings prior to doing the factory calibration NOTE Do not skip the Recall Factory Setup steps You must recall the factory settings in order to correctly start the factory adjustment procedure 7 Push the MENU OFF button TDS3000C Series Service Manual Adjustment Procedures 10 11 12 Push the UTILITY button Push the System screen button to select
15. store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive modules TDS3000C Series Service Manual 4 1 Maintenance 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these modules Do service of static sensitive modules only at a static free work station 4 Nothing capable of generating or holding a static charge should be allowed on the work station surface 5 Handle circuit boards by the edges when possible 6 Do not slide the modules over any surface 7 Avoid handling modules in areas that have a floor or work surface covering capable of generating a static charge Inspection and Cleaning General Care A Inspection and Cleaning Procedures This section describes how to inspect for dirt and damage and how to clean the oscilloscope Inspection and cleaning are done as preventive maintenance Preventive maintenance when done regularly may prevent malfunctions and enhance reliability Preventive maintenance consists of visually inspecting and cleaning the oscilloscope and using general care when operating it How often to do maintenance depends on the severity of the environment in which the oscillo scope is used A proper time to perform preventive maintenance is just before adjustment of the oscilloscope Protect the oscilloscope from adverse weather conditions The oscilloscop
16. the surface of the oscilloscope do not use any abrasive or chemical cleaning agents Inspection Interior During normal use the oscilloscope case protects the internal components against common dust and dirt However if it appears that the oscilloscope may have been damaged or has been exposed to an unusually dirty or wet environment you should inspect and clean the interior To inspect and clean the interior disassemble the oscilloscope according to the procedure Removal and Installation Procedures on page 4 5 Inspect the internal portions of the oscilloscope for damage and wear using Table 4 1 as a guide Defects found should be repaired immediately Table 4 1 Internal inspection check list Repair or replace defective hard Front and Rear Case Cracks or deformations Broken Cover doors or hinges Loose labels ware Metal chassis pieces Bent fractured or broken pieces Repair or replace defective hard ware Circuit boards Loose broken or corroded solder Remove failed module and replace connections Burned circuit with a new module boards Burned broken or cracked circuit run plating TDS3000C Series Service Manual 4 3 Maintenance Table 4 1 Internal inspection check list Cont Item Inspect for Repair action Solder connections Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Wiring and cables Loose plugs or connectors Burned broken or frayed wir
17. to remove and install the major mechanical and electrical modules It provides the following information m List of Modules on page 4 5 describes where to locate a list of replaceable modules m Summary of Procedures on page 4 6 lists the procedures for removal and installation of modules m Tools Required on page 4 7 describes the tools needed to perform the procedures m Handle on page 4 8 begins a series of procedures that describe the removal and installation of modules Preparation Please read the following warning statement Then read the following general instructions before removing a module WARNING Only qualified personnel should perform service procedures Before N doing this or any other procedure in this manual read the General Safety Summary and Service Safety Summary located at the beginning of this manual Also to prevent possible injury to service personnel or damage to electrical components read Preventing ESD on page vii 1 Read the Summary of Procedures on page 4 6 to understand which procedure to use to access a given module Then read Tools Required on page 4 7 for a list of tools needed to remove and install modules in the oscilloscope 2 If you are disassembling the oscilloscope for cleaning refer to the Inspection and Cleaning procedure on page 4 2 for cleaning instructions 3 Remove the optional battery pack and or communication module before disassembling the oscilloscope List of Modul
18. waveform Autoset Automatically sets the vertical horizontal and trigger controls for a usable display Force Trig Forces an immediate trigger event Waveform Intensity Controls waveform intensity B Trig Activates the B trigger Changes the trigger menu to set the B trigger parameters Delay Enables delayed acquisition relative to the trigger event Use Horizontal Position to set the amount of delay Horizontal Scale Adjusts the horizontal scale factor Horizontal zoom Splits the screen and magnifies the current acquisition horizontally Waveform Off Removes the selected waveform from the display Vertical Scale Adjusts the vertical scale factor of the selected waveform CH1 CH2 CH3 CH4 Math Displays a waveform and chooses the selected waveform Ref shows the reference waveform menu 1 13 Operating Information q 20 21 22 23 20 Hard copy Initiates a hard copy using the port selected in the Utility menu 21 Power Turns power to on or standby 22 Wrist strap ground Use to connect a wrist strap when working with ESD sensitive circuits This connector is not a safety ground 23 Menu Off Clears menu from the display 1 14 TDS3000C Series Service Manual Operating Information Identifying Items inthe The following items may appear in the display not all items are visible at any Display given time Some readouts move outsid
19. 0 17 174 3767 01 18 260 2443 00 19 384 1813 00 TDS3000C Series Service Manual Qty Name amp description Exploded view circuit board assembly and fan CKT BD ASSY BATTERY 1 CABLE ASSY SP DISCRETE POWER SUPPLY 2 WASHER FLAT 0 375 ID X 0 5 OD X 0 024 STL CD PL 1 CHASSIS REAR 0 050 AL 12 795 X 3 620 CHROMATE 7 SCREW MACHINE 6 32 X 0 250 PNH STL CDPL T 15 TORX DR 1 CONN RF JACK BNC PNL 50 OHM FEMALE 1 MARKER IDENT LABEL COVERUP NO EXT TRIG 1 FILTER RFI 6A 250VAC 400HZ 1 SHIELD STRAP FILTER TO ATTENUATOR SHIELD 1 FAN DC TUBEAXIAL 24V 2 09W 2450 RPM 41 CFM 92MM X 25MM 33 DBA 3610KL 05W B30 P00 1 SCREW 6 32X 0 25 PNH STL ZI PLT T 15 W CAPTIVE FLAT WASHER 1 CABLE ASSEMBLY DISCRETE LINE INPUT SENSE PSC 3 18 AWG 1 26 AWG 4 5 L 1X3 1 POWER SUPPLY 40W AC DC 90 264 VAC IN 15V 2 64 OR 3 3A 20 CFM NAN40 7615 1 CABLE 9 PIN FLAT FLEX ETHERNET 1 BRACKET POWER SUPPLY SUPPORT 0 050 AL 5 150 X 0 785 CHROMATE 1 CABLE ASSEMBLY 2 X 13 POWER 1 CA ASSY SP DISCRETE BACKLIGHT IDC 1 SWITCH PWR DPDT PUSH PUSH ALT ACT PC PINS 1 SHAFT BAYBLEND FR110 SILVER GREY 6 11 Replaceable Parts List EN A Figure 6 5 Exploded view rear case half 205 Westwood Ave Fax 732 222 7088 a salesteam Tequipment NET en l Long Branch NJ 07740 cquloment 1 877 742 TEST 8378 6 12 TDS3000C Series Service Manual Replaceable Parts List Replaceable parts list F
20. 00000 s MENU mn VERTICAL CH4 7a ER ACQUIRE iee T R 7 4 3 VERTICAL Math 1 VERTICAL Refl 6 1 al 1 Edge Trigger controls Push these screen buttons to set trigger parameters for edge trigger m Trigger controls if either B trigger or video trigger is selected 2 Cursor control Push this screen button to turn on cursors and select the cursor type Push the SELECT button to toggle between the two cursors to select the active cursor Use the general purpose knob to move the active cursor 4 Acquisition controls Push these screen buttons to set acquisition parameters 5 Channel vertical controls Push these screen buttons to set vertical controls for the selected channel Use the CH1 CH2 CH3 CH4 MATH and REF buttons to select the channel you want to control 6 Vertical controls if either the math waveform or a reference waveform is selected 7 Menu Push this screen button to select a specific QuickMenu display if more than one is available NOTE Items in the Scope QuickMenu display not mentioned above are also contained in the regular display Those items are described on page 1 15 Other QuickMenus Some optional application packages include a custom QuickMenu display Those QuickMenus contain specific features that are important for the application TDS3000C Series Service Manual 1 17 Operating Information Front Panel Connectors 1MQ 13pF lt 150 VRMS CATI 1M9 13pF lt
21. 000B and TDS3000C Series Application Module Installation manual that came with your application module for instructions on installing and testing an application module NOTE If you remove an application module the functions provided by the application module become unavailable You can reinstall the module to restore the functions TDS3000C Series Service Manual 1 7 Operating Information Installing a Communication Module CAUTION To avoid damage to the oscilloscope or communication module observe the ESD precautions described on page vii To install the optional communication module do these steps 1 Turn the oscilloscope power off 2 Press down on the latching tab to remove the blank cover 3 Slide the communication module into the compartment until the internal connectors are seated and the latching tab locks 4 Turn power on The communication module is now ready for your use To remove a communication module do these steps 1 Turn the oscilloscope power off 2 Press down on the latching tab and then use a small screwdriver to alternate ly pry out the sides of the communication module 3 Slide out the communication module and store it in an ESD shielded bag Install the blank cover if no other communication module is to be installed Latching tab 1 8 TDS3000C Series Service Manual Operating Information Front Panel Menus and Controls The front panel has buttons and controls for the f
22. 077 USA For product information sales service and technical support m In North America call 1 800 833 9200 m Worldwide visit www tektronix com to find contacts in your area Warranty 16 Tektronix warrants that the product will be free from defects in materials and workmanship for a period of three 3 years from the date of original purchase from an authorized Tektronix distributor If the product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product Batteries are excluded from this warranty Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix shipping charges prepaid and with a copy of customer proof of purchase Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for pa
23. 150 VRMS CATI PRO slo h CH1 CH2 CH EN 4 AS o N lt 1MQ 13pF lt 150 VRMS CATI S 1M9 17pF lt 150 VRMS CATI CH ey 2 PROJE COMP EXT TRIG vn A SANS A t E Si 3 1 PROBE COMP Square wave signal source to compensate probes 2 CH1 CH 2 CH3 CH4 Channel inputs with TekProbe interface 3 EXT TRIG External trigger input with TekProbe interface two channel models only Four channel models have an external trigger input on the rear of the oscilloscope 1 18 TDS3000C Series Service Manual Operating Information Rear Panel Connectors 1 Power input Attach to an AC power line with integral safety ground 2 Communication Module compartment Install optional communication modules 3 Ethernet port Connects the oscilloscope to a 10BaseT local area network 4 External Trigger input four channel models only See the Specifications appendix for external trigger signal requirements 5 Ground terminal Connect to earth ground when using battery power See page 1 3 for important safety information 6 CAL switch For use by authorized service personnel only TDS3000C Series Service Manual 1 19 Operating Information Communication Module Connectors TDS3GV No ollo
24. 205 Westwood Ave Long Branch NJ 07740 equipment Eee 1 877 742 TEST 8378 lt nr Fax 732 222 7088 N ET sn salesteam Tequipment NET TDS3000C Series Digital Phosphor Oscilloscopes Service Manual R100 10 uguni gono 10110 D MORA OO O O RO O Tektronix 071 2507 02 Y Service Manual Tektronix TDS3000C Series Digital Phosphor Oscilloscopes 071 2507 02 Issued January 2010 REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS AUTHORIZED FOR UNITED STATES OF AMERICA GOVERNMENT PURPOSES This document supports firmware version 4 00 and above for TDS3000C Series instruments only 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 Copyright O Tektronix All rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97
25. Cal Push the Factory screen button Push the OK Do Factory Calibration screen button to start the adjustment process Connect signals from the DC voltage source leveled sine wave or fast rise generator as instructed by the oscilloscope display After you connect the correct signal push the OK Do Next Step screen button to continue the process NOTE The oscilloscope adjusts itself automatically using the reference signal from the DC voltage source leveled sine wave or fast rise generator There are no manual oscilloscope adjustments that you need to make If you make an error such as connecting the wrong input signal you can repeat the last step by pushing the Return to Previous Screen screen button 13 14 TDS3000C Series Service Manual Continue the adjustment process until it is complete You can abort the process at any time by pushing the MENU OFF button or by changing to a different menu Do the performance verification tests found in the Specifications and Performance Verification technical reference available on the Web at www tektronix com manuals to verify that the adjustment procedure has correctly calibrated the oscilloscope Incorrect use of calibration equipment can cause the oscilloscope to pass the adjustment procedure but fail performance verification Refer to the note on page 3 4 regarding possible injected noise for 0 000V DC input levels 3 7 Adjustment Procedures 3 8 TDS3000C Series
26. SD on page vii Adjustment After Repair If you replace the main board you must adjust the instrument after repair Refer to the chapter Adjustment Procedures for information about adjustment Required Tools and You need the the following equipment to troubleshoot the instrument Equipment Tools and Equipment Example DMM 3 5 or greater digit DMM TDS3000C Series Service Manual 4 35 Maintenance Troubleshooting Procedure Figures 4 20 through 4 22 are troubleshooting procedure flowcharts Use them to troubleshoot an instrument failure Begin with Figure 4 20 NOTE Before performing the troubleshooting procedure remove the instrument cabinet see page 4 5 Power on the oscilloscope Does Perform the AC Power Supply the scope display the troubleshooting procedure power up screen Figure 4 21 Does Perform the Module Isolation the scope pass all the troubleshooting procedure diagnostics Figure 4 22 Figure 4 20 Primary troubleshooting procedure 4 36 TDS3000C Series Service Manual Maintenance Continued from Figure 4 20 e Power off oscilloscope e Disconnect AC power cord e Remove instrument case e Check that all cables are connected and fully seated into board connectors Are all cables e Reconnect loose cables connected e Return to top of Figure 4 20 Pin 6 e Disconnect J180 cable from Pin 1 battery board e Connect AC power cord e Measure for 15 V
27. Service Manual Y A Maintenance AAA AAA Maintenance This chapter contains the information needed to do periodic and corrective maintenance on the oscilloscope The following sections are included Preparation refers you to important information contained elsewhere in this manual m Preventing ESD provides general information on preventing damage to internal modules when doing maintenance m Inspection and Cleaning provides procedures for inspecting the oscilloscope and cleaning its external and internal modules m Removal and Installation Procedures provide procedures for the removal and installation of modules m Troubleshooting provides information for isolating failed modules m Unpacking and Repacking Instructions provides packaging information for shipment or storage Preparation Only qualified personnel should perform service procedures Read the Service Safety Summary and the General Safety Summary before performing any service procedures Also refer to the chapter Operating Information for information about using the oscilloscope Preventing ESD When performing any service which requires internal access to the oscilloscope adhere to the following precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD CAUTION Static discharge can damage any semiconductor component in this instrument 1 Minimize handling of static sensitive modules 2 Transport and
28. TDS3000C Series Service Manual vii General Safety Summary viii TDS3000C Series Service Manual AAA AAA Service Safety Summary Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power Use Care When Servicing With Power On Dangerous voltages or currents may exist in this product Disconnect power remove battery if applicable and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections TDS3000C Series Service Manual ix Service Safety Summary x TDS3000C Series Service Manual AA AA Preface This Service manual provides information to troubleshoot disassemble and repair the following TDS3000C Series Digital Phosphor Oscilloscopes instru ment to the module level m TDS3012C m TDS3014C m TDS3032C m TDS3034C m TDS3052C m TDS3054C TDS3000C Series Service Manual xi Preface xii TDS3000C Series Service Manual AS AAA Operating Information AA AS Operating Information This chapter provides an overview of t
29. TY button 3 Push the System screen button to select Cal 4 Push the Signal Path screen button 5 Push OK Compensate Signal Path This procedure takes several minutes to complete NOTE The signal path compensation does not include calibration to the probe tip TDS3000C Series Service Manual Operating Information Transporting the Oscilloscope When transporting the oscilloscope wrap the cord around the handle as shown below Use a cord retainer if the power plug does not have a molded in retainer a retainer is not shipped with newer oscilloscopes The oscilloscope front cover has a convenient place to store TDS3000C Series 1 4 size user and reference manuals 2507 008 If you are not using a battery you can use the accessory tray in the battery compartment to store probes and other accessories TDS3000C Series Service Manual 1 23 Operating Information 1 24 TDS3000C Series Service Manual A Theory of Operation E Theory of Operation This chapter describes the electrical operation of the oscilloscope to the module level Figure 2 1 shows the oscilloscope module interconnections Display back light inverter power LCD Display AC Line a Comm module connector Input ports for J180 J120 Battery bd J100 application modules J170 J200 Main board J700 Front panel USB Flash Drive port o ema ttenuator circuit connector CO _ me _ Zonen OB mn l Chi Ch2 E
30. USHBUTTON 4 CH 1 FLEX CIRCUIT BEZEL BUTTONS POLYESTER 1 CKT BD SUBASSY OEM FRONT PANEL 1 COVER OPTION KEY DOOR 0 7270 X 1 2250 X 0 310 PC ABS FR110 SILVER GRAY 2 NUT PL ASSEM WA 6 32 X 0 312 STL CD PL W LOCKWASHER 1 COVER FRONT PROTECTIVE 13 850 X 7 090 X 2 050 PC ABS FR110 BLUE 4 KNOB CAP PC ABS BAYBLEND FR110 SIVER GRAY 0 425 DIA X 0 520 H 3 KNOB CAP PC ABS BAYBLEND FR110 SILVER GRAY 0 650 DIA X 0 520 H 6 5 Replaceable Parts List Figure 6 2 Exploded view LCD display 6 6 TDS3000C Series Service Manual Replaceable Parts List Figure 6 2 Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discont d 6 2 1 441 2506 00 650 5119 00 211 0927 00 174 5411 00 131 6521 00 1 1 i 1 a gt am m TDS3000C Series Service Manual Qty Name amp description Exploded view LCD display 1 CHASSIS FRONT 0 050 AL 13 020 X 2 860 1 LCD MODULE ASSY TDS3000C SERIES 2 SCREW PT K35 1 57 X 10 0MM T10 STL BLACK 1 CABLE EXTENSION USB HOST 4 CONTACT ELEC EMI CLIP ON 0 38 L X 0 500 W 2 CONTACTS X 0 45 HIGH ELECTROLESS NICKEL PLATE 6 7 Replaceable Parts List Co AX _ Y a ae Figure 6 3 Exploded view main board TDS3000C Series Service Manual 6 8 Replaceable Parts List Figure 6 3 Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber ef
31. XT 2 chammelosciloscopes Figure 2 1 TDS3000C series block diagram Power Supply The power supply converts AC line voltage to 15 VDC to power all internal circuits It also supplies power to charge the optional battery pack TDS3000C Series Service Manual 2 1 Theory of Operation Battery Board Main Board Acquisition System Trigger System Display System 2 2 The battery board provides the following functions m Interfaces to the optional battery pack powers the oscilloscope from the battery pack or charges the battery pack when the oscilloscope is connected to AC line m Turns on DC power to the oscilloscope m Converts 15 VDC from the power supply to 5 VDC for the main and front panel boards and 15 VDC for probe power m Powers the cooling fan m Provides power to the display backlight inverter board m Provides an Ethernet 10BaseT connector to connect the oscilloscope to a network The Main Board module contains the following functions The acquisition system begins with the analog signal path and ends with a digitized signal in memory The signal enters a channel input and then passes through an attenuator and preamplifier The analog signal from each preamplifier goes through a sampler and digitizer a time base controller and then into acquisition memory The analog signal from each preamplifier is also distributed to a trigger circuit The trigger system processes the analog signals from the pre
32. ae 3 3 Factory Adjustment Procedure 0 0 cece eee eee eee 3 6 Preparatoria ne ee 4 1 Preventing ESD 1 4 0 En dd id aid ad athe al died 4 1 Inspection and Cleaning 00 eee ee cee eet ee eens 4 2 Removal and Installation Procedures 0 0 cee eee eee eee eee 4 5 Troubleshooting u Se doe en an wees Gea 4 35 Troubleshooting Procedure 0 eee ect e ee een eee 4 36 Unpacking and Repacking Instructions 0 0 cee eee eee eee eee 4 39 OPUONS rt oi eek Screen ee eg ag rae ie 5 1 TDS3000C Series Service Manual i Table of Contents Replaceable Parts List Replaceable Parts List Parts Ordering Information Using the Replaceable Parts List ooooooooooooooomom o ro nenn TDS3000C Series Service Manual Table of Contents List of Figures Figure 2 1 TDS3000C series block diagram 2 1 Figure 4 1 Pulling the hub pin ooooooooooomo m o 4 9 Figure 4 2 Releasing the hub assembly oooooooo m 4 10 Figure 4 3 Reinstalling a hub cover ooooooooomommo m 4 12 Figure 4 4 Communication module guide 4 13 Figure 4 5 Rear chassis cables to the main board 4 15 Figure 4 6 Installing the fan line filter and line power cable 4 17 Figure 4 7 Installing the AC line filter and shield 4 18 Figure 4 8 Installing the line filter and line power cable 4 19 Figure
33. amplifiers and sends trigger information to the time base controller Advanced trigger functions are enabled only when the appropriate application modules and supporting software is installed The display system combines live waveform data from acquisition memory with menus and text and stores this information in display memory It then uses this data to refresh the VGA display module LCD TDS3000C Series Service Manual Theory of Operation Processor System The processor system contains a MPC860 Power PC microprocessor that controls the entire instrument The processor system also contains FLASH ROM system RAM and interfaces to communication modules and the front panel USB Flash Drive port Power Converter The power converter receives 15 VDC or battery voltage from the battery board and generates voltages for the analog and digital circuitry on the main board Display Module The display module consists of a color liquid crystal display LCD a display driver a pair of fluorescent back light tubes and a high voltage back light power supply Front Panel Board The front panel board contains a microprocessor that reads the front panel buttons and controls and then sends this information to the processor system The front panel board also generates the probe compensation output signal and provides an interface to the application modules USB Port The front panel USB Flash Drive port is a host port This port is only for u
34. ay cable TDS3000C Series Service Manual 4 25 Maintenance Front Chassis and Display You will need a long bit TORX T 10 screwdriver to remove the front chassis Module Removal Use this procedure to remove the front chassis and the display module 1 Place the oscilloscope face down on a soft surface such as an anti static mat with the bottom facing you 2 Use the magnetic long bit TORX T 10 screwdriver to remove the two screws that secure the front chassis to the front case See Figure 4 12 Screws ON Front panel assembly Front chassis 30704 Figure 4 12 Front chassis 3 Lift the front chassis out of the front case Lifting the left end of the chassis slightly ahead of the right end helps to clear a slight interference at the right end of the chassis NOTE It is possible to remove the inverter board without removing the front chassis or display module If this is the only thing you need to do skip to step NO TAG on page NO TAG 4 Place the front chassis with the display facing you See Figure 4 13 5 Use your thumbs to slide the top display module tabs up until the overhang ing part of the tabs clear the chassis holes See Figure 4 13 4 26 TDS3000C Series Service Manual Maintenance 6 Push the tabs through the chassis holes to remove the display module Display chassis Chassis assembly gt en Side up and push out
35. ce Manual 4 15 Maintenance STOP If you do not need to disassemble the rear chassis assembly go to the Main Board procedure on page 4 21 The following instructions describe complete disassembly of the rear chassis assembly However you can just remove the modules from the rear chassis that appear to be in the way of the module you need to access Battery Board Removal Use the following steps to remove the battery board from the rear chassis 1 Remove the plastic power switch extension from the power switch if necessary Remove the two screws that secure the battery board to the rear chassis Unsnap the battery board from the rear chassis You can use the X inch flat bladed screwdriver to help release the board from the snap post Disconnect the fan cable from the battery board You can use the inch flat bladed screwdriver to help undo the connection Disconnect the six wire connector from J180 on the battery board The battery board is now completely disconnected from the rear chassis Power Supply Board Removal Use the following steps to remove the power supply board from the rear chassis 1 2 Disconnect the AC line power cable from the power supply Remove the two screws that secure the power supply to the rear chassis The power supply board is now completely disconnected from the rear chassis If you are replacing the power supply board remove the two screws that secure the power supply to the power
36. ct with any components on the bottom of the circuit board Board damage may result 5 Push down on the two main board corners to engage the snaps TDS3000C Series Service Manual 4 23 Maintenance Clip sitting over the connector Make sure the clip legs go under the board and do not touch any compmponents Figure 4 10 Install the J500 connector clip 6 Use a magnetic long bit TORX T 15 screwdriver to install the four screws that secure the main board to the front panel assembly NOTE If after assembling the oscilloscope the display shows streaks bars garbled data or no image open the instrument case and make sure that the display cable is firmly and completely seated into connector J500 x Connect the front panel cable to the main board at J700 s Connect the front panel USB cable to the main board at J805 Use Kapton tape to secure the display cable as shown in Figure 4 11 Cut the tape around the inverter power connector 10 On four channel models use Kapton tape to secure the trigger cable to the side of the chassis Arrange the cable for the most clearance between the trigger cable and the display cable 4 24 TDS3000C Series Service Manual Maintenance Tigger cable Keep away Black represents tapes Dress the cable Cut off the tape 25 shown Assemble the tape on the LCD bracket Figure 4 11 Taping trigger cable four channel models only and displ
37. de power cords and documentation packages for international customers Table 5 1 TDS3000C Series options Option A0 A1 A2 A3 A5 A6 A10 A11 A99 LO L1 L3 L4 L5 L6 L7 L10 L99 E1 TDS3000C Series Service Manual Description North America power Universal EURO power United Kingdom power Australia power Switzerland power Japan power China power India power No power cord English documentation package French language documentation package Italian language documentation package German language documentation package Spanish language documentation package Japanese language documentation package Portuguese language documentation package Simplified Chinese language documentation package Traditional Chinese language documentation package Korean language documentation package Russian language documentation package No documentation package English language documentation package plus Options A1 A2 A5 L1 and L3 5 1 Options 5 2 TDS3000C Series Service Manual Replaceable Parts List A CAS Replaceable Parts List This chapter contains a list of the replaceable modules for the TDS3000B series oscilloscope Use this list to identify and order replacement parts Parts Ordering Information Part Number Revision Level Replacement parts are available through your local Tektronix field office or representative Changes to Tektronix products are sometimes made to accommodate improved components a
38. e installing the front panel keypad and board These nuts are pressure fit and can come loose See Figure 4 19 Make sure lock nuts are in place Figure 4 19 Checking front panel lock nuts TDS3000C Series Service Manual Install the front panel keypad into the front panel Do not touch the keypad contacts See Figure 4 18 Insert the front panel board by aligning the board with the alignment posts Then press firmly on the board starting at the top edge to engage the board snaps Install the bezel button flex circuit align the the flex circuit on the front panel bezel button pins and gently press the flex circuit flat Connect the bezel button flex circuit to J200 Route the front panel cable as described in steps 5 and 6 on page 4 28 Install the front panel knobs by firmly pushing each knob onto the front panel knob shaft Align the flat side of the knob shaft with the flat part of the knob hole 4 33 Maintenance 4 34 TDS3000C Series Service Manual Maintenance Troubleshooting This section contains information and procedures to help you isolate a defective module in a TDS3000C series oscilloscope WARNING Before doing this or any other procedure in this manual read the N General Safety Summary and Service Safety Summary found at the beginning of this manual Also to prevent possible injury to service personnel or damage to electrical components read Preventing E
39. e such as an anti static mat Remove the front panel knobs by firmly pulling each knob away from the front panel Careful prying with a small screwdriver or similar tool may be be necessary See Figure 4 16 TDS3000C Series Service Manual Maintenance 3 Place the oscilloscope face down on a soft surface such as an anti static mat with the bottom facing you 4 Disconnect the bezel button flex circuit from J200 by gently pulling the flex circuit out of the connector Gently remove the flex circuit from the front panel and place on a clean protected surface 5 Remove the front panel board by pulling back board snaps and lifting the lower right corner of the front panel board Pull back the board snaps in numeric order starting with snap one as shown in Figure 4 17 Board snap 6 DS Board snap 3 Board snap 1 Lift board from this corner Figure 4 17 Remove front panel board TDS3000C Series Service Manual 4 31 Maintenance 6 Remove the front panel and bezel button keypads by lifting them away from the front panel Do not touch the keypad contacts or place them on a contaminated surface See Figure 4 18 Front panel keypad Figure 4 18 Remove front panel keypads 4 32 TDS3000C Series Service Manual Maintenance Installation Use this procedure to reinstall the front panel board 1 Check that the front panel lock nuts are still in the front panel befor
40. e factory in a shipping carton If upon receipt damage to the shipping carton is evident notify the shipper Tektronix Inc is not responsible for damage caused during shipping If you have not already done so carefully remove the oscilloscope and its accessories from the shipping carton and inspect them for damage Save the shipping carton for repacking or storage Repacking Use a corrugated cardboard shipping carton having a test strength of at least 275 pounds 125 kg and with an inside dimension at least six inches 15 25 cm greater than the instrument dimensions If the instrument is being shipped to a Tektronix Service Center enclose the following information m The owner s address m Name and phone number of a contact person m Type and serial number of the instrument m Reason for returning A complete description of the service required Seal the shipping carton with an industrial stapler or strapping tape Mark the address of the Tektronix Service Center and also your own return address on the shipping carton in two prominent locations Storage The oscilloscope should be stored in a clean dry environment See the TDS3000C Specifications and Performance Verification manual for a complete listing of the environmental characteristics TDS3000C Series Service Manual 4 39 Maintenance 4 40 TDS3000C Series Service Manual NAAA AAA Options Options The TDS3000C series options listed in Table 5 1 provi
41. e is not waterproof Do not store or leave the oscilloscope where the LCD display will be exposed to direct sunlight for long periods of time CAUTION To avoid damage to the oscilloscope do not expose it to any sprays liquids or solvents Inspect and clean the oscilloscope as often as operating conditions require The collection of dirt on internal components can cause them to overheat and breakdown Dirt acts as an insulating blanket preventing efficient heat dissipa tion Dirt also provides an electrical conduction path that could cause an oscilloscope failure especially under high humidity conditions TDS3000C Series Service Manual Maintenance Inspection Exterior Inspect the outside of the oscilloscope for damage wear and missing parts An oscilloscope that appears to have been dropped or otherwise abused should be checked thoroughly to verify correct operation and performance Immediately repair defects that could cause personal injury or lead to further damage to the oscilloscope Cleaning Procedure Exterior To clean the oscilloscope exterior perform the following steps 1 Remove loose dust on the outside of the oscilloscope with a lint free cloth Use care to avoid scratching the clear plastic display filter 2 Use a soft cloth or paper towel dampened with water to clean the oscillo scope You can use a 75 isopropyl alcohol solution for more efficient cleaning N CAUTION To avoid damage to
42. e the graticule area when menus are turned off TDS3000C Series Service Manual a chi Freq 599 5H2 1 Chi Ampl 212m 78 4 Refi Freq Y 1 001kHz y Ma00us Al Chi 66 0mV 9 Ref1 Y 1 00m r1 33 00ms 10 12 11 Waveform baseline icons show the zero volt level of the waveforms ignoring the effect of offset The icon colors correspond to the waveform colors Acquisition readout shows when acquisition is running stopped or when acquisition preview is in effect Trigger position icon shows the trigger location in the waveforms Expansion point icon shows the point that the horizontal scale expands and compresses around Waveform record icon shows the trigger location relative to the waveform record The line color corresponds to the selected waveform color Trigger status readout shows trigger status Trigger level icon shows the trigger level on the waveform The icon color corresponds to the trigger source channel color Cursor and measurement readouts show results and messages Trigger readouts show the trigger sources slopes and levels and position Readout shows the delay setting or the trigger location within the record Horizontal readout shows the main or zoom time division 1 15 Operating Information Using Quick Menus 12 Auxiliary waveform readouts show the vertical and horizontal scale factors of the math or reference waveforms 13 Channel readouts show the c
43. e to set the generator source impedance to 50 ohms Set the fast rise signal repetition rate to anywhere between 100 Hz and 1 MHz inclusive The fast rise signal Pk Pk range is 2 2 V to 0 V unloaded Measure the fast rise signal using an independent device with an input termination set to 1 MQ or greater to verify that the fast rise signal does vary between 2 2 V and 0 V regardless of the generator s programmed value This ensures that there is enough signal range to adjust either 2 channel or 4 channel oscilloscopes Make sure that the coax cable connection path length is the same for all channels Applying DC Voltage to If you are adjusting a two channel oscilloscope a DC voltage needs to be the External Trigger applied to the external trigger input A typical on screen instruction might read Apply 5 00 V DC signal to external trigger input When you see an instruction similar to this connect the oscilloscope to the DC voltage source and set the DC voltage to the specified value DC voltage source Oscilloscope Ext Trig NOTE If the DC voltage source you are using has an output head connect the head directly to the external trigger input TDS3000C Series Service Manual 3 5 Adjustment Procedures Factory Adjustment Procedure 3 6 To perform the factory adjustment procedure do these steps 1 Connect the oscilloscope to an AC power source NOTE You must
44. ear ground This can result in failure of the performance verification procedure even though the instrument passes the factory adjustment procedure If you think that your calibration equipment injects noise or AC at zero volts make sure to disconnect signal cables from the oscilloscope for all steps that require 0 000 V input Later in the procedure a leveled sine wave needs to be applied to each channel one channel at a time A typical on screen instruction might read Apply 400 00 mV Pk Pk 80 MHz sine wave signal to channel 1 only When you see an instruction similar to this connect the leveled sine wave generator to the specified channel and then set the amplitude and frequency to the specified values Leveled sine wave generator Oscilloscope Chi NOTE If the leveled sine wave generator you are using has an output head connect the head directly to the channel input Make sure that the AC generator output is set for a 50 ohm load for all AC source steps TDS3000C Series Service Manual Adjustment Procedures Applying Fast Rise Step During the procedure a fast rise step signal needs to be applied simultaneously to Signals to all Channels all channels A typical on screen instruction might read Apply 2 2 V to 0 V unloaded fast rise signal lt 1 ns to all channels Use the Applying DC Voltage to Input Channels equipment setup shown on page 3 3 NOTE Make sur
45. ee required 1 TDS3000C Series Service Manual Minimum requirements 50 mV to 70 V 0 1 amplitude accuracy 30 kHz to 80 MHz 100 ppm frequency accuracy 3 ampli tude accuracy 100 Hz 1 MHz repetition rate 2 2 V Pk Pk signal 2 2 V to 0 V unloaded signal lt 1 ns rise time BNC male to BNC male 10 in 25 cm long One male and two female BNC connectors Example Wavetek 9500 Oscilloscope Calibrator with one 9510 Output Module Tektronix part number 012 0208 00 Tektronix part number 103 0030 00 3 1 Adjustment Procedures Minimum Description requirements Example BNC female to female Two female BNC connectors Tektronix part number adapter 103 0028 00 Adjustment tool Non conducting shaft with diame Tektronix part number ter lt 2 5 mm lt 0 1 in 003 1433 02 1 The number required is reduced by two if you are adjusting a two channel oscilloscope Overview of the Adjustment Process The oscilloscope is protected from inadvertently changing factory adjustments by a rear panel switch To perform the factory adjustment you must push and hold the switch while you power on the oscilloscope Before performing adjustment procedures you must warm up the oscilloscope at least ten minutes in an ambient temperature between 20 C and 30 C Adjust ments performed prior to warm up or outside this temperature range may result in poor performance You must also recall the default factory settin
46. es The Mechanical Parts List chapter provides a list of all replaceable modules Any electrical or mechanical module assembly or part listed in the parts list is referred to as a module TDS3000C Series Service Manual 4 5 Maintenance Summary of Procedures Table 4 2 lists the removal and installation procedures in order of increasing complexity Within each procedure only perform the steps that are required to access the modules that need repair Table 4 2 Removal and installation procedures Procedure Modules accessed Begins on page Handle Handle 4 8 Hub cover Hub assembly Rear case Rear case Communication module cover Communication module guide Feet Rear chassis Rear chassis Battery board Power supply Power supply bracket Line filter DC power cable AC line power cable Fan Main board Main board Display cable USB cable Front chassis and display Front chassis Module Display module Front panel USB port Inverter cable Inverter board Display module Display Inverter board Inverter board NO TAG and backlights Backlight tubes Front panel Knobs Front panel board Flex circuit keypad contacts Keypads 4 6 TDS3000C Series Service Manual Maintenance Tools Required You will need the following tools to remove and replace all the modules in the oscilloscope TDS3000C Series Service Manual Torque limiting screwdriver 12 in lb 1 3 N m range with TORX T 10 and T 15 tips If you are using a magn
47. etic screwdriver with interchangeable bits the T 15 bit must be a long bit at least 5 cm 2 in overall length Screwdriver with l inch flat blade Needle nose pliers 4 7 Maintenance Handle You will need a l inch flat bladed screwdriver and needle nose pliers to remove the handle Removal Use this procedure to remove the handle 1 Use the lg inch flat bladed screwdriver to pry the hub cover off of each side of the handle 2 Rotate the handle to its full upright position 3 Locate the handle hub on the display side of the oscilloscope NOTE Do not remove the screw at the center of the handle hub 4 See Figure 4 1 Use the needle nose pliers to pull the metal pin in the display side hub outward approximately 6 mm 0 25 in If you accidentally pull the metal pin all the way out reinsert it half way The pin may be positioned at either the top or bottom of the hub assembly 4 8 TDS3000C Series Service Manual Maintenance Assembly Figure 4 1 Pulling the hub pin 5 Place the oscilloscope on its feet on soft surface such as an anti static mat with the display side hub facing you 6 Rotate the handle two detent positions toward the rear of the oscilloscope The hub should rotate with the handle If the hub does not rotate with the handle return the handle to the upright position pull the pin out a little farther and then rotate the handle toward the rear of the oscilloscope
48. fective discont d 6 3 1 174 5476 00 2 174 5424 00 3 343 1676 00 4 671 6425 00 671 6426 00 671 6427 00 671 6428 00 671 6429 00 671 6430 00 5 211 0721 00 6 351 1025 00 TDS3000C Series Service Manual Qty Name amp description Exploded view main board 1 CA ASSY EXTERNAL TRIGGER 4 channel models only 1 CABLE ASSY SP FLAT FLEX DISPLAY LCD 33 AWG 0 5MM CTR 31 POS 2 0 L TIN LEAD PLATED CONDUCTORS 1 CLAMP CABLE 1 CIRCUIT BD ASSY MAIN 2 CH 100 MHZ TDS3012C ONLY 1 CIRCUIT BD ASSY MAIN 2 CH 300 MHZ TDS3032C ONLY 1 CIRCUIT BD ASSY MAIN 2 CH 500 MHZ TDS3052C ONY 1 CIRCUIT BD ASSY MAIN 4 CH 100 MHZ TDS3014C ONLY 1 CIRCUIT BD ASSY MAIN 4 CH 300 MHZ TDS3034C ONLY 1 CIRCUIT BD ASSY MAIN 4 CH 500 MHZ TDS3054C ONLY 4 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX DR 1 GUIDE OPTION MODULE POLY ABS ALLY BAYBLEND FR 110 6 9 Replaceable Parts List Figure 6 4 Exploded view circuit board assembly and fan 6 10 TDS3000C Series Service Manual Replaceable Parts List Figure 6 4 Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discontd 6 4 1 870 0087 01 2 174 4533 00 3 210 0978 00 4 441 2507 00 5 211 0711 00 6 131 1315 01 7 335 0519 00 8 119 0420 00 9 337 4254 01 10 119 5848 00 11 211 0967 00 12 174 3764 00 13 119 7088 00 14 174 5470 00 15 407 4530 00 16 174 5459 0
49. gs before starting the factory adjustment procedure The factory adjustment procedure consists of a series of steps as you move through these steps the oscilloscope display provides instructions that describe the specific input signal requirements for each step If the the step passes the oscilloscope moves on to the next step If any step fails you can repeat the step or choose to abort the procedure NOTE Do not turn any knobs or push any front panel buttons other than the Next Step or Previous Step buttons during the adjustment procedure Doing so will cause the oscilloscope to abort the adjustment procedure The oscilloscope uses the previous calibration constants if the adjustment procedure is aborted The screen does not display the actual oscilloscope settings such as channel input impedance vertical and horizontal settings and so on during the adjustment procedure The oscilloscope automatically sets the instrument settings but these settings may not read out correctly on the display During some steps the instrument may appear to be idle for several minutes while it is processing information internally Please have patience If all steps in the procedure are completed successfully a Pass message is displayed and the new calibration constants take affect If the procedure fails for any reason the oscilloscope reverts to the previous calibration settings TDS3000C Series Service Manual Adjustment Procedures
50. h it over the over the top of the oscilloscope Rotate the handle into its full upright position The Tektronix logo should appear right side up when looking down on the handle 4 Insert one hub assembly into the handle on the right side non display side of the oscilloscope The hub assembly can go in one of two ways 180 apart either way is ok 5 While pressing in on the hub assembly with your fingers rotate the handle away from you into its lowest position The hub assembly should rotate with the handle 6 Use the 1 inch flat bladed screwdriver to push the metal pin in to lock the hub assembly Once locked the hub assembly should not rotate when you rotate the handle NOTE Do not push the metal pin completely into the hub assembly Leave it out approximately 1 5 mm 1 16 inch 7 With the handle in its lowest position insert the remaining hub assembly into the handle on the display side of the oscilloscope 205 Westwood Ave Long Branch NJ 07740 equipment 1 877 742 TEST 8378 f Fax 732 222 7088 a salesteam Tequipment NET TDS3000C Series Service Manual 4 11 Maintenance Rear Case 8 While pressing in on the hub assembly with your fingers rotate the handle to its full upright position The hub assembly should rotate with the handle 9 Use the 1 inch flat bladed screwdriver to push the metal pin in to lock the hub assembly NOTE Do not push the metal pin completely into the hub asse
51. hannel scale factor coupling input resistance bandwidth limit and invert status N E I Ep 14 15 14 A triangle icon with the battery icon indicates that a battery is installed and battery power is in use The battery icon shows the approximate charge level of the battery See page 1 3 for important safety information 15 A power plug icon with the battery icon indicates that a battery is installed but line power is in use The battery may be charging The battery icon shows the approximate charge level The QuickMenu feature simplifies the use of the oscilloscope When you push the QuickMenu button a set of frequently used menu functions show on the display Then push the screen buttons around the display to operate the QuickMenu Using the Scope QuickMenu Scope is one type of QuickMenu that you can use to control the basic oscilloscope functions You can perform many tasks without using the regular menu system If you need to use a function that is not contained in the Scope QuickMenu push the button you would normally push to access that function For example if you want to add an automatic measurement push the Meas button to set up the measurement Then push the QuickMenu button to return to the Scope QuickMenu with the measurement also in the display TDS3000C Series Service Manual Operating Information 1 2 M1 00us A Ch4 S 2 70 v 1 00v f lt fie 0
52. he following topics Connecting power and using the battery pack Installing an application module Installing a communication module Front panel menus and controls Front and rear panel connectors Probe compensation Self calibration Transporting the oscilloscope For details about operating information see the TDS3000C Series Digital Phosphor Oscilloscope User Manual For information about unpacking and inspecting the instrument see Unpacking and Repacking Instructions on page 4 39 of this manual TDS3000C Series Service Manual 1 1 Operating Information Connecting Power 1 2 Using Battery Power A To connect power to the instrument connect the power cord to the power input connector on the rear panel You can operate the oscilloscope from a grounded mains supply with line voltage between 90 Vac and 250 Vac and frequency between 47 Hz and 440 Hz The oscilloscope is grounded through the power cord The line fuse is internal and is not user replaceable You can operate the oscilloscope continuously for up to three hours from the TDS3BATC rechargeable battery pack A triangle icon in the display A shows when the battery is in use a power plug icon D shows when line power is connected and a gauge icon m_p shows the relative charge level in the battery The oscilloscope turns off automatically when the battery runs low CAUTION This product uses Lithium Ion rechargeable batteries Lithium
53. he product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product TDS3000C Series Service Manual General Safety Summary Symbols on the Product These symbols may appear on the product A A WARNING Protective Ground CAUTION Battery High Voltage Earth Terminal Refer to Manual Information gt rh Ethernet Port Chassis Ground Preventing Electrostatic Damage oscilloscope and its accessories To prevent ESD observe these precautions N CAUTION Electrostatic discharge ESD can damage components in the when directed to do so Use a Ground Strap Wear a grounded antistatic wrist strap to discharge the static voltage from your body while installing or removing sensitive components Use a Safe Work Area Do not use any devices capable of generating or holding a static charge in the work area where you install or remove sensitive components Avoid handling sensitive components in areas that have a floor or benchtop surface capable of generating a static charge Handle Components Carefully Do not slide sensitive components over any surface Do not touch exposed connector pins Handle sensitive components as little as possible Transport and Store Carefully Transport and store sensitive components in a static protected bag or container
54. hey are easily bent m If replacing the main board place the old main board on the main board foam carrier that came with the new main board 4 22 TDS3000C Series Service Manual Maintenance m Ifyou are temporarily placing the main board in an anti static bag for protection use a bag that is large enough to prevent putting strain on the pogo pins m Ifyou are temporarily placing the main board in an anti static bag for protection hold the bag open while inserting the main board do not allow the bag to slide across the pogo pins Installation Use this procedure to install the main board and reconnect cables 1 Place the oscilloscope front panel assembly face down on soft surface such as an anti static mat with the bottom facing you 2 With the front panel cable dressed out of the way lower the main board into the front chassis assembly Be careful not to bend or damage any of the pogo pins while handling or installing the main board 3 Insert the display cable into the J500 connector support the main board and push down firmly on the connector to seat it CAUTION Do not flex the main board while seating the display cable into main board connector J500 Board damage may result Carefully support the area under J500 while seating the cable connector 4 If present reinstall the J500 display cable connector clip See Figure 4 10 CAUTION Make sure that the lower legs of the connector clip are not in conta
55. hock if you connect the oscilloscope to a hazardous voltage You can still use the oscilloscope if you do not connect a signal greater than 30 VRMs 42 Vik to the probe tip the BNC connector center or the common lead Ensure that all probe common leads are connected to the same voltage WARNING Hazardous voltages may exist in unexpected places due to faulty circuitry in the device under test CAUTION When operating the oscilloscope on battery power do not connect a grounded device such as a printer or computer to the oscilloscope unless the grounding wire of the oscilloscope is connected to the earth ground TDS3000C Series Service Manual 1 3 Operating Information Installing and Removing To install the optional battery pack do these steps the Battery 1 Open the battery compartment door on the rear panel and remove the accessory tray ai ES E E C C gt Battery door 2 Slide the battery into the compartment and press it in from both sides until you hear the latches click 3 Press on both sides of the battery compartment door to snap it closed 1 4 TDS3000C Series Service Manual Operating Information To remove the battery do these steps 1 Open the battery compartment door 2 Lift the battery handles and pull the battery out of the oscilloscope
56. ig amp index Tektronix Serial no number partnumber effective 6 5 1 367 0498 00 200 4415 00 211 0722 00 436 0371 00 200 4394 00 401 0785 01 343 1213 00 1 1 1 1 i i N D a gt ao m 8 202 0455 01 9 348 1582 00 Serial no discont d See below C011916 C012219 C010774 C012332 C010924 C011956 TDS3000C Series Service Manual Qty Name amp description Exploded view rear case half HANDLE CARRYING 14 5740 X 6 3230 COVER OPTION MODULE OPENING 5 1440 X 0 910 X 0 9950 PC ABS FR110 BLUE SCREW MACHINE 6 32 X 0 250 PNH STL CDPL T 15 TORX DR TRAY ACCESSORY BATTERY COMPARTMENT COVER HUB POLY 1 60 DIAMETER HUB ASSY NYLON CLAMP PWR CORD POLYMIDE TDS3012C TDS3014C TDS3032C TDS3034C TDS3052C TDS3054C CASE ASSEMBLY CASE W REAR DOOR REAR FOOT amp CUSHION TDS3000C SAFETY CONTROLLED FOOT ASSY FRONT HINGED HOUSING 380 1118 00 FRONT FOOT 348 1557 00 6 13 Replaceable Parts List Accessories list Fig amp index Tektronix number part number 200 4416 01 436 0371 00 071 2308 XX 071 2309 XX 071 2310 XX 071 2311 XX 071 2312 XX 071 2313 XX 071 2314 XX 071 2315 XX 071 2316 XX 071 2317 XX 071 2318 XX 071 2507 XX 650 4285 XX 650 4286 XX 650 4203 XX 650 4125 XX 650 3899 XX 650 4289 XX See Description 6 14 Serial no effective Serial no discont d Qty Name amp description 1 COVER FRONT PROTECTIVE SEE FIGURE 6 1 8 P6139A PASSIVE PROBE 10X 300 amp 500MHZ W
57. ing Firmly seat connectors Repair or replace modules with defective wires or cables Cleaning Procedure Interior To clean the oscilloscope interior perform 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 STOP If after performing steps 1 and 2 a module is clean upon inspection skip steps 3 and 4 Proceed with step 5 If steps 1 and 2 do not remove all the dust or dirt all modules in the oscilloscope except the Display Module and the Fan may be spray washed using a solution of 75 isopropyl alcohol Proceed with step 3 3 Spray wash dirty parts with the 75 isopropyl alcohol solution and wait 60 seconds for the majority of the alcohol to evaporate 4 Use hot 49 C to 60 C 120 F to 140 F deionized water to thoroughly rinse the parts 5 Dry all parts with low pressure deionized air 6 Dry all components and assemblies in an oven or drying compartment using low temperature 52 Cto 66 C 125 F to 150 E circulating air Lubrication There is no periodic lubrication required for the oscilloscope 4 4 TDS3000C Series Service Manual Maintenance Removal and Installation Procedures This section describes how
58. lling the AC line filter and shield 4 18 TDS3000C Series Service Manual Maintenance 3 Connect the line power cable connectors to the line filter and the tab on the rear chassis See Figure 4 8 O O AC line j power cable connector to power supply 5 Green wire ground conductor Blue wire Green wire gt Brown wire EA Power supply board Figure 4 8 Installing the line filter and line power cable 4 Attach the power supply to the rear chassis with two screws The fuse side of the power supply board should face the line filter 5 If you installed a new power supply attach the power supply bracket to the power supply with two screws The snap post on the bracket should be on the side of the power supply that is opposite the fuse Attach the AC line power cable to the power supply Attach the DC power cable to the power supply Connect the fan power cable to the battery board at J170 eer A Connect the DC power cable to the battery board at J180 TDS3000C Series Service Manual 4 19 Maintenance 10 11 12 13 14 15 16 17 18 19 20 4 20 Snap the battery board onto the post on the rear chassis Install two screws to secure the battery board to the rear chassis Install the power switch extension onto the power switch so that it angles outward and to the side of the rear chassis assembly Place the oscilloscope assembly face down on soft surface
59. m the description by a colon Because of space limitations an item name may sometimes appear as incomplete Use the U S Federal Catalog handbook H6 1 for further item name identification Abbreviations conform to American National Standard ANSI Y1 1 1972 Figures 6 1 through 6 5 on the following pages show the module level exploded views of the TDS3000B series oscilloscope The adjacent page is the list of components for that exploded view indexed by the numbers in the figure TDS3000C Series Service Manual 6 3 Replaceable Parts List 0 UL OB Figure 6 1 Exploded view front case half 6 4 TDS3000C Series Service Manual Replaceable Parts List Figure 6 1 Replaceable parts list Fig amp index Tektronix Serial no Serial no number partnumber effective discont d 6 1 1 050 3698 00 050 3697 00 2 260 2878 00 3 260 2876 00 260 2877 00 4 259 0149 00 5 671 5370 01 6 200 4418 00 7 210 0457 00 8 200 4416 01 9 366 0772 00 10 366 0771 00 TDS3000C Series Service Manual Qty Name amp description Exploded view front case half 1 PARTS REPL KIT FRONT CASE ASSY 2 CH W LABELS TDS3012C TDS3032C TDS3052C 1 PARTS REPL KIT FRONT CASE ASSY 4 CH W LABELS TDS3014C TDS3034C TDS3054C 1 SWITCH KEYPAD SILICONE RUBBER EMAT SET BEZEL 1 SWITCH KEYPAD ELASTOMERIC FRONT PANEL PUSHBUTTON 2 CH 1 SWITCH KEYPAD ELASTOMERIC FRONT PANEL P
60. mbly Leave it out approximately 1 5 mm j6 inch 10 Verify that neither hub assembly rotates when you rotate the handle 11 Snap the hub covers into place over the hub assemblies See Figure 4 3 on Bars p TA y ES Hub cover EX LS a ge 3 90g a8 DOS 400 Figure 4 3 Reinstalling a hub cover You will need a TORX T 15 screwdriver to remove the rear case Removal Use this procedure to remove the rear case feet communication module cover and communication module guide NOTE You must remove the handle assembly before you can remove the rear case Follow the procedure on page 4 8 to remove the handle 1 Place the oscilloscope face down on soft surface such as an anti static mat with the bottom facing you 2 Remove the T 15 TORX screw just above the power plug 3 Remove the communication module cover or any communication module that may be installed TDS3000C Series Service Manual Maintenance 4 Lift the rear cover off of the oscilloscope chassis 5 Remove both feet if necessary to replace them otherwise leave the feet installed in the back cabinet 6 To remove the communication module guide gently lift the chassis to release the small communication module guide tab move the module guide slightly away from the chassis and then lift the module guide away from the oscilloscope See Figure 4 4 Note that there are alignment pins along the front edge of
61. r module for a reman ufactured module These modules cost significantly less than new modules and meet the same factory specifications For more information about the module exchange program call 1 800 TEK WIDE extension 6630 Module Repair and Return You may ship your module to us for repair after which we will return it to you New Modules You may purchase replacement modules in the same way as other replacement parts TDS3000C Series Service Manual Replaceable Parts List Using the Replaceable Parts List Parts list column descriptions Column Column name 1 Figure amp index number 2 Tektronix part number 3and4 Serial number 5 Qty 6 Name amp description Abbreviations Exploded Views This section contains a list of the mechanical and or electrical components that are replaceable for the oscilloscope Use this list to identify and order replace ment parts The following table describes each column in the parts list Description Items in this section are referenced by figure and index numbers to the exploded view illustrations that precede the list Use this part number when ordering replacement parts from Tektronix Column three indicates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entries indicates the part is good for all serial numbers This indicates the quantity of parts used An item name is separated fro
62. resets the delay time and accesses the WaveAlert menu These dedicated buttons and controls generally control waveforms and cursors without the use of menus QuickMenu Meas Saal M 2 m 1 Acquire E Single o 8 2 nr et zur Soe mem 10 A 11 19 S Scale lt gt Force Waveform Trig Intensity E Math Ref Menu O 18 17 ore O BTrig de ME 2308 041 16 15 14 Coarse Causes the general purpose knob and position knobs to make adjustments more quickly Select Toggles between the two cursors to select the active cursor General purpose knob Moves the cursors Sets numerical parameter values for some menu items Push Coarse to make adjustments quickly Vertical Position Adjusts the vertical position of the selected waveform Push Coarse to make adjustments more quickly Horizontal Position Adjusts the trigger point location relative to the acquired waveforms Push Coarse to make adjustments quickly TDS3000C Series Service Manual Operating Information 10 11 12 13 14 15 16 17 18 19 TDS3000C Series Service Manual Trigger Level Adjusts the trigger level Run Stop Stops and restarts acquisition Single Seq Sets acquisition display and trigger parameters for a single shot single sequence acquisition Set To 50 Sets the trigger level to the midpoint of the
63. s they become available and to give you the benefit of the latest improvements Therefore when ordering parts it is important to include the following information in your order m Part number see Part Number Revision Level below m Instrument type or model number Instrument serial number Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Tektronix part numbers contain two digits that show the revision level of the part For some parts in this manual you will find the letters XX in place of the revision level number Part Number Revision Level Revision Level May Show as XX A A 670 7918 03 670 7918 XX When you order parts Tektronix will provide you with the most current part for your product type serial number and modification if applicable At the time of your order Tektronix will determine the part number revision level needed for your product based on the information you provide TDS3000C Series Service Manual 6 1 Replaceable Parts List 6 2 Module Servicing Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance Module Exchange In some cases you may exchange you
64. se with a USB flash drive TDS3000C Series Service Manual 2 3 Theory of Operation 2 4 TDS3000C Series Service Manual AAA AAA Adjustment Procedures AS AA Adjustment Procedures Required Equipment This chapter contains the factory adjustment procedures for the TDS3000C series oscilloscopes Only qualified personnel should perform adjustment procedures Read the Service Safety Summary and the General Safety Summary before performing any service procedures Also refer to the chapter Operating Information for information about using the oscilloscope NOTE The voltage references inside the oscilloscope are very stable over time and should not require routine adjustment Before performing any procedure in this chapter do the Performance Verification procedures found in the Specifica tions and Performance Verification technical reference available on the Web at www tektronix com manuals to check whether or not the oscilloscope meets specifications Successful completion of this adjustment procedure automatically updates the instrument Calibration Due date and time Successful completion of the Performance Verification procedure does not update the instrument Calibration Due date and time The following equipment or a suitable equivalent is required to complete these procedures Description DC voltage source Leveled sine wave generator Fast rise generator 50 Q BNC cable five required 1 BNC T thr
65. se knob to adjust the parameter value Push the Coarse button to make larger adjustments 11 Offset Vertical Offset any Settoov f TES Vertical S Position NE 2 TDS3000C Series Service Manual Operating Information Using the Menu Buttons You can use the menu buttons to perform many functions in the oscilloscope QuickMenu si u 0 Mess Recall o He Y 73 C 12 3456 1 Meas Performs automated measurements of waveforms 2 Cursor Activates the cursors 3 Save Recall Saves and recalls setups and waveforms to memory or a USB flash drive 4 Display Changes the appearance of waveforms and the display screen 5 QuickMenu Activates QuickMenus such as the built in Scope QuickMenu 6 Utility Activates the system utility functions such as selecting a language Vertical Horizontal Trigger Position lt b Level Acquire Run Single o 2 O Sotto Autoset 3 Scale lt b Force Waveform FEA Trig Intensity Math a O Menu Ref 2308 040 E E o g 30 Oo NI TDS3000C Series Service Manual 1 11 Operating Information Using the Dedicated Controls Vertical Menu Adjusts the scale position and offset of waveforms Sets the input parameters Trigger Menu Adjusts the trigger functions Acquire Menu Sets the acquisition modes and horizontal resolution
66. shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Connect the ground lead of the probe to earth ground only TDS3000C Series Service Manual v General Safety Summary Safety Terms and Symbols A A vi Replace Batteries Properly Replace batteries only with the proper type and rating specified Recharge Batteries Properly Recharge batteries for the recommended charge cycle only Do Not Operate Without Covers Do not operate this product with covers or panels removed Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on t
67. supply bracket and install the bracket on the new power supply board TDS3000C Series Service Manual Maintenance AC Filter and Fan Removal Use the following steps to remove the AC filter and fan from the rear chassis 1 Remove the AC line power cable from the line filter and from the tab on the chassis 2 Remove the two screws that secure the line filter to the rear chassis 3 Carefully bend the tabs that secure the fan to the rear chassis and remove the fan Installation Use this procedure to install the fan line filter external power jack power supply battery board and rear chassis Skip the steps for modules that are already installed 1 Insert the fan cable through the hole in the rear chassis and place the fan in its cavity The fan label should face toward the rear chassis See Figure 4 6 Fan cable Rear chassis hole Bend the tabs Figure 4 6 Installing the fan line filter and line power cable TDS3000C Series Service Manual 4 17 Maintenance 2 Place the AC filter shield over the rear chassis AC line filter opening and then insert the line filter into the rear chassis Position the AC line filter so that the ground conductor tab faces toward the bottom of the instrument Secure the AC shield filter assembly with two screws See Figure 4 7 O Mar gt e Line power conductor e p AC Filter shield LP AD supply board Figure 4 7 Insta
68. the module guide that insert into the main board when you reinstall the module guide ES I m Communication Pel module guide Figure 4 4 Communication module guide Installation Use this procedure to install the communication module guide feet rear case and communication module cover 1 Place the oscilloscope face down on soft surface such as an anti static mat with the bottom facing you TDS3000C Series Service Manual 4 13 Maintenance Rear Chassis Install the communication module guide into the chassis Make sure that the four pins on the module guide align with the four holes on the main board Gently lift the rear chassis and insert the small tab in the chassis slot Install the feet into the front case if you removed them in a previous step Place the rear case over the oscilloscope chassis and lower it The rear case should fit over and capture the feet Press the rear case downward so that it is seated completely Install the T 15 screw above the power connector NOTE The screw installed above the power connector is 0 25 inches long Make sure you use the correct length screw when attaching the rear cabinet to the rear chassis Te Install the communication module cover or a communication module You will need a TORX T 15 screwdriver to remove the rear chassis NOTE You must remove the handle assembly and the rear case before you can remove the rear chassis
69. unctions you use most often The front panel has menus to access more specialized functions Using the Menu System To use the menu system follow the steps shown on the next two pages 1 Push a front panel menu button to display the menu you want to use QuickMenu Select meas Rew M o Cursor Display Utility Vertical Horizontal Trigger Acquire I Position lt p Level 3 ES TE SOS o A 2 E La l a 3 Scale lt gt A last i ntensi 4 Trig y o Math B Trig e el 238 035 2 Push a bottom screen button to select a menu item If a pop up menu appears continue to push the screen button to select an item from the pop up menu Y 2 00V I M40 00s A Chi 2 x 1150 00 pala Invor Eandwidth Fine Scale Position Offset Probe 0 000 SP TDS3000C Series Service Manual 1 9 Operating Information 3 Push a side screen button to choose a menu item If the menu item contains more than one choice push the side screen button again to make the choice chi Coupling amp Impedance Hl DC 4 AC GND f 2 004 Probe Q E e an Offset iv 000V ETRE r Setup 10X DOODO 4 Certain menu choices require you to set a numerical value to complete the setup Use the general purpo
70. ver to insert the two screws that secure the front chassis to the front case TDS3000C Series Service Manual Maintenance Front panel USB port You will need a inch flat bladed screwdriver and a pair of pliers to remove and reinstall the front panel USB port Removal Use this procedure to remove the front panel USB port from the front chassis 1 Use a screwdriver to bend the metal securing tabs slightly away from the USB connector as shown in Figure 4 15 2 Slide the USB connector and cable out toward the front of the front chassis et Y i a Slide out toward the front Figure 4 15 Front panel USB port removal Installation Use this procedure to reinstall the front panel USB port 1 Use a pair of pliers to straighten the tabs on the front chassis if needed 2 Insert the USB cable through the front chassis from the front 3 Insert the USB connector into the front chassis The connector will only fit into the chassis cutout when it is in the correct orientation Push the connector in until it snaps into place TDS3000C Series Service Manual 4 29 Maintenance 4 30 Front Panel You do not need any tools to remove the front panel board Removal Use this procedure to remove the front panel front panel buttons bezel button flex circuit and bezel buttons 1 2 DOS Sie la e Figure 4 16 Remove front panel knobs Place the oscilloscope face up on a soft surfac
71. y of Operation General Safety Summary 0 cece cece cece rece ee cees v Service Safety Summary sesssssssesesssossossosssseseosso ix Preface csore ee ren xi Adjustment Procedures Maintenance Options Operating Information 0 0 cece cee eee neren 1 1 Connecting Power nt alae bad Mane bated elie Pan sealed eas 1 2 Installing an Application Module 2 0 0 cece eee eee eee eee eee 1 7 Installing a Communication Module 0 0 ee eee eee eee eee 1 8 Front Panel Menus and Controls 2 0 cece eee ee eee 1 9 Front Panel Connectors esessesereseseereseseerenesesesreses 1 18 Rear Panel Connectors 0 cece ec eee ence ene ees 1 19 Communication Module Connectors 2 00 cee eee cee eee eee 1 20 Probe Compensation 2202cneeeeeeeeneneeeeenreneneen nenn 1 21 Self Calibration see wis ee re dd les lobos ete Dd 1 22 Transporting the Oscilloscope 0 cece cece ee ete ee eens 1 23 Power Supply u 2 gael gee ca i Peleg ha eed athe Bere ee 2 1 Battery Board sarki 2 elke cel ian Ree kein aaah 2 2 Main Board atacada o ead Die EB De 2 2 Display Module io ia ss ne Rn al ect 2 3 Front Pan l Board iio 2 en uk De saat 2 3 USB POtt sei pete wig ar Ries GS Ren all Se Bae 2 3 Required Equipment diona ce 22 2 2 en soa de de ea 3 1 Overview of the Adjustment Process 0 0 c cece cece eee eee ee 3 2 Signal Connections 2 2 sn eee as ew a ee ea eo a
72. ying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES CA A Table of Contents Operating Information Theor

TDS3000C Series Digital Phosphor Oscilloscopes Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents