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Tektronix TDS 310 Service Manual
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Tektronix TDS 310 Service Manual

Tektronix TDS 310 Service Manual

Two channel oscilloscope
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Service Manual
TDS 310, TDS 320 & TDS 350
Two Channel Oscilloscopes
070-8570-05
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 the Safety Summary prior to
performing service.
This document applies for TDS 310, TDS 320,
and TDS 350 Oscilloscopes with serial numbers
B040100 and above.
www.valuetronics.com

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Summary of Contents for Tektronix TDS 310

  • Page 1 To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to the Safety Summary prior to performing service. This document applies for TDS 310, TDS 320, and TDS 350 Oscilloscopes with serial numbers B040100 and above. www.valuetronics.com...
  • Page 2 Instrument Serial Numbers Each instrument manufactured by Tektronix has a serial number on a panel insert or tag, or stamped on the chassis. The first letter in the serial number designates the country of manufacture. The last five digits of the serial number are assigned sequentially and are unique to each instrument.
  • Page 3 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located.
  • Page 4 www.valuetronics.com...
  • Page 5 ........... . . 3 12 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 6: Table Of Contents

    Table of Contents Performance Verification Conventions ..........Test Equipment .
  • Page 7 ....... . 10 1 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 8 Table of Contents Section Name (Nm:Sect) www.valuetronics.com...

  • Page 9: List Of Figures

    ......Figure 3 2: TDS 300 Block Diagram (TDS 310, TDS 320, and TDS 350 SN B030100 and Above) .
  • Page 10 ....Figure 9 3: A1 Main Board (TDS 310, TDS 320, and TDS 350 SN B040100 and Above, Section A, B) .

  • Page 11: List Of Tables

    ........TDS 310, TDS 320 & TDS 350 Service Manual...
  • Page 12 List of Tables viii Section Name (Nm:Sect) www.valuetronics.com...

  • Page 13: Safety Summary

    DANGER indicates a personal injury hazard immediately accessible as one reads the marking. This symbol appears in manuals: Static Sensitive Devices These symbols appear on equipment: DANGER Protective ATTENTION High Voltage ground (earth) Refer to terminal manual TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 14: Specific Precautions

    Disconnect power before removing protective panels, soldering, or replacing components. Power Source The TDS 310, TDS 320, and TDS 350 operate from a power source that does not apply more than 250 V between the supply conductors or between either supply conductor and ground. A protective ground connection, through the grounding conductor in the power cord, is essential for safe system operation.
  • Page 15 Do not operate the oscilloscope in an atmosphere of explosive gasses. Electric Overload Never apply a voltage to a connector on the oscilloscope that is outside the range specified for that connector. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 16 Safety Summary Section Name (Nm:Sect) www.valuetronics.com...

  • Page 17: Specifications

    Specifications www.valuetronics.com...
  • Page 18 Specifications This section contains complete specifications for the TDS 310, TDS 320, and TDS 350. The specifications are divided into three subsections, one for each of three classes of traits: warranted characteristics, typical characteristics, and nominal traits. TDS 310, TDS 320 & TDS 350 Service Manual...
  • Page 19 Specifications Specifications www.valuetronics.com...

  • Page 20: Performance Conditions

    TDS 310: 10 ms/div - 10 ns/div The greater of 10 ns or TDS 320: 10 ms/div - 5 ns/div .02  sec/div setting TDS 350: 10 ms/div - 2.5 ns/div TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 21 ±(0.4%  |Net Offset + 300 mV + 0.1 div  V/div set ting) TDS 310: DC - ≥50 MHz Analog Bandwidth, DC Coupled TDS 320: DC - ≥100 MHz TDS 350: DC - ≥200 MHz; DC - ≥180 MHz for 2 mV/div ≥100:1 at 50 MHz with equal Volts/Div settings on each channel...

  • Page 22: Table 1 2: Warranted Characteristics

    Net Offset = Offset - (Position  Volts/Div). Net Offset is the voltage level at the center of the A D converter dynamic range. Offset Accuracy is the accuracy of this voltage level. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 23: Table 1 4: Power Requirements

    EN 60555-2 power harmonics VFG 0243 FCC Rules and Regulations, 47 CFR, Part 15, Subpart B, Class A TDS 310 and TDS 320: ≤±0.2 division waveform displacement, or Susceptibility ≤0.4 division increase in p p noise. TDS 350: ≤±0.2 division waveform displacement, or ≤0.4 division increase in p p noise below 200 MHz.

  • Page 24: Table 1 6: Typical Characteristics

    ±3% for sec/div settings from 5 Sec/Div to 25 msec/div; Acquisition Mode TDS 310: ±2% for sec/div settings from 10 ms/div to 10 ns/div; TDS 320: ±2% for sec/div settings from 10 ms/div to 5 ns/div; TDS 350: ±2% for sec/div settings from 10 ms/div to 2.5 ns/div...

  • Page 25: Table 1 7: Typical Characteristics

    Typical Characteristics Table 1 7: Typical Characteristics Triggering System Name Description Error, Trigger Position, Edge Triggering Acquire Mode Trigger Position Error Sample, Average ±(1 WI + 2 ns) Peak Detect, Envelope ±(2 WI + 2 ns) Sensitivity, Video Type Trigger Source Typical Sensitivity CH1 or CH2...

  • Page 26: Table 1 9: Typical Characteristics

    The time that reference waveforms, stored setups, and calibration constants are retained when there is no power to the oscilloscope. Data is maintained by a lithium poly carbon monofluoride battery. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 27 Typical Characteristics 1 10 Specifications www.valuetronics.com...
  • Page 28 1% of the more sensitive setting. For example, between 50 mV/div and 100 mV/div, the volts/division can be set with 0.5 mV resolution. 1 11 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 29: Table 1 11: Nominal Traits

    Name Description Range, Sample Rate TDS 310: 10 Samples/s to 200 MSamples/s in a 1-2-5 sequence TDS 320: 10 Samples/s to 500 MSamples/s in a 1-2-5 sequence TDS 350: 10 Samples/s to 1 GSamples/s in a 1-2-5 sequence Range, Seconds/Division TDS 310: 10 ns/div to 5 s/div in a 1-2.5-5 sequence...

  • Page 30: Table 1 13: Nominal Traits

    Table 1 15: Nominal Traits Power Distribution System Name Description 5 mm × 20 mm, (UL 198 G): 3 A Slow, 250 V, (IEC 127): 3.15 A (T), Fuse Rating 250 V 1 13 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 31: Table 1 16: Nominal Traits

    Nominal Traits Table 1 16: Nominal Traits Safety Characteristics Name Description Safety Certification Listed UL 1244; Category Certified CAN/CSA-C22.2 No. 231 Se ries M89 Table 1 17: Nominal Traits Mechanical Characteristics Name Description Weight Standard Instrument 6.8 kg (15 lbs) stand alone instrument; 8.4 kg (18.5 lbs) with front cover, accessories, and accessories pouch installed;...

  • Page 32: Figure 1 1: Tds 310, Tds 320, And Tds 350 Dimensions

    Nominal Traits 362 mm (14.25 in) 564 mm (22.2 in) 165 mm (6.5 in) Figure 1 1: TDS 310, TDS 320, and TDS 350 Dimensions 1 15 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 33 Nominal Traits 1 16 Specifications www.valuetronics.com...

  • Page 34: Operating Information

    Operating Information www.valuetronics.com...

  • Page 35: Figure 2 1: The Tds 320 Oscilloscope Front Panel

    The menus are easy to use. For example, to make a change to the vertical operating system, press the VERTICAL MENU button to display the menu choices. This section illustrates each control and connector and contains brief descriptions of its use or function. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 36: Display And Power Controls

    Front Panel Display and Power Controls The Side Menu buttons provide access to side menu selections. The CLEAR MENU button clears all The ON/STBY button toggles The Main Menu buttons provide menus from the screen. instrument power. access to main menu selections. Operating Information www.valuetronics.com...

  • Page 37: Vertical Controls

    The VOLTS/DIV knob controls the vertical scale of the presently selected waveform. The WAVEFORM OFF button turns off the presently selected Connector to chassis ground. waveform. Probe compensation output. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 38: Horizontal Controls

    Front Panel Horizontal Controls The Horizontal POSITION knob controls the horizontal position of all waveforms. The HORIZONTAL MENU button calls up the horizontal operations menu. The SEC/DIV knob controls the horizontal scale of the active waveforms. Operating Information www.valuetronics.com...

  • Page 39: Trigger Controls

    This button has no effect if the acquisition system is stopped. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 40 Front Panel Miscellaneous Controls The MEASURE button calls up the automated measurements menu. The RUN/STOP button starts The UTILITY button calls up the utility and stops acquisition. menu. The HARDCOPY button starts The AUTOSET button automatically print operations. sets up the instrument to produce a usable display of the input signals.

  • Page 41: Display Map

    M indicates (M)ain time base, trigger feature (Field 1, D indicates (D)elayed time Field 2, or Lines). base. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 42 Front Panel Inputs The channel BNC inputs (CH1 The EXT TRIG input accepts and CH2) accept electrical external trigger signals. signals for display. Operating Information www.valuetronics.com...

  • Page 43: Rear Panel

    You can use the GPIB and RS 232 interfaces to operate and program the oscilloscope from a GPIB controller; see the TDS 310, 320, & 350 Programmer Manual for more information. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 44 Rear Panel 2 10 Operating Information www.valuetronics.com...
  • Page 45 Menu Maps Most TDS 310, TDS 320, and TDS 350 features are menu driven. This section contains two menu maps: one of the primary functions (vertical, horizontal, and triggering functions) and one of the secondary functions (acquisition functions, utilities, and so on).

  • Page 46: Figure 2 2: Primary Functions Menu Map

    Menu Maps Side Menu Side Menu CH 1 Main Menu CH 2 Ext/10 Pop-up Ext/10 AC Line AC Line Source Field 1 Field 2 Trigger On Main Menu Type Any Field Video Scan Rate Lines HF Reject Left-most Pop-up LF Reject Mode Rate 1 main menu...

  • Page 47: Figure 2 3: Secondary Functions Menu Map

    Off Bus Max/min External Trigger RS-232C Set Levels In Execute Configuration High Ref Loop Mid Ref Error Log OK Confirm Low Ref Figure 2 3: Secondary Functions Menu Map 2 13 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 48 Menu Maps 2 14 Operating Information www.valuetronics.com...

  • Page 49: Theory Of Operation

    Theory of Operation www.valuetronics.com...

  • Page 50: Logic Conventions

    (~RESET). Signal names are considered to be either active high, active low, or to have both active high and active low states. Figures 3 1 and 3 2 show the interconnection paths between the modules of Module the oscilloscope. Interconnection TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 51: Figure 3 1: Block Diagram (Tds 310, Tds 320, And Tds 350 Sn B029999 And Below)

    J605 Option RS232 9 Pins J602 P601 50 Pins 50 Terminations J606 25 Pins GPIB TRIG J607 CENTRONICS 25 Pins Figure 3 1: Block Diagram (TDS 310, TDS 320, and TDS 350 SN B029999 and Below) Theory of Operation www.valuetronics.com...

  • Page 52: Figure 3 2: Tds 300 Block Diagram (Tds 310, Tds 320, And Tds 350 Sn B030100 And Above)

    50 Pins 50 Terminations J606 25 Pins GPIB TRIG J607 CENTRONICS 25 Pins Figure 3 2: TDS 300 Block Diagram (TDS 310, TDS 320, and TDS 350 SN B030100 and Above) TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 53: Acquisition System

    Theory of Operation A signal enters the oscilloscope through a probe connected to a BNC on the A1 Main Board A1 Main Board. Attenuators A1 Circuitry in the attenuator selects the input coupling and attenuation factor. The processor system controls the attenuators with a serial interface as well as through voltage changes with the daculator.

  • Page 54: Figure 3 3: Acquisition System Block Diagram

    A/D converter. A/D Converter The A/D converter (U403) converts CH 1 and CH 2 analog samples from the sampler to 8 bit digital values. The A/D reference voltage is "1.0 V. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 55: Acquisition Memory

    Theory of Operation Time Base Controller (TBC) The time base controller (TBC) provides the horizontal acquisition control for the oscilloscope. It counts pretrigger and posttrigger samples and writes data points into acquisition memory. Programming and control of the sampler is through the TBC. CPU access to acquisition memory is also through the TBC.

  • Page 56: Analog Trigger

    The output of the analog trigger is a differential pair of +5 V referenced ECL signals. Output pins 20 and 21 swing full ECL levels, terminated at 75 W into the trigger logic. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 57: Trigger Logic

    Dynamic RAM (U704 for models TDS 310, TDS 350 and TDS 320 with SN B030100 and above; U702-U705 for model TDS 320 with SN B029999 and below) is organized as 256 K 16 for a total of 512 kbytes.
  • Page 58 Vector Lists Four vector lists available from two DRAMs U706 and U707 (TDS 320 SN B029999 and below) or U706 (TDS 310 and TDS 350 and TDS 320 SN B030100 and above) store waveform sample data. Before starting a normal display mode, the CPU writes data to a vector list.
  • Page 59 Theory of Operation The GPIB circuitry is composed of GPIB controller U8, with transceivers U9 and U10 buffering signals to and from the GPIB on the option board. Refer to schematic A2 . The RS 232 portion of the board connects to the rear panel through port J2.

  • Page 60: A26 Monitor Assembly

    31.5 kHz line rates. This CRT display circuitry is similar to a television monitor. Inputs, Video, and Vertical Deflection A26 The +12 V regulator is a three terminal regulator (U130). 3 11 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 61 Theory of Operation The Vertical Yoke Winding Driver provides the scan current (ramp) for the vertical (field) deflection coil. A vertical sync signal, a negative pulse at the deflection rate, causes the ramp to retrace" to the top of the CRT screen. A large pulse is generated during vertical retrace.
  • Page 62 www.valuetronics.com...

  • Page 63: Performance Verification

    Side menu" refers to the menu that labels the five buttons to the right of the display. Pop up menu" refers to a menu that pops up when a main menu button is pressed. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 64: Figure 4 1: Menu Locations

    Performance Verification Where instructed to use a front panel button or knob, select from a main or side menu, or verify a readout or status message, the name of the button or knob appears in boldface type. Instructions for menu selection follow this format: FRONT PANEL BUT TON ! Pop Up (if necessary) ! Main Menu Button ! Side Menu Button.

  • Page 65: Test Equipment

    (TDS 350) probe TDS 320) or P6111B (TDS 350) Photocopy the next page and use it to record the performance test results Test Record for your instrument. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 66 Performance Verification TDS 310, TDS 320, and TDS 350 Test Record Instrument Serial Number: Certificate Number: Temperature: RH %: Date of Calibration: Technician: Performance Test Minimum Incoming Outgoing Maximum DC Voltage Measurement Accuracy CH1 VOLTS/DIV +97.1 V __________ __________ +98.9 V 200 mV +8.28 V...

  • Page 67: Self Test

    Reference, Timing, and Ext Trig menu labels. (See Figure 4 2.) If any of the labels read Fail, the instrument has failed the self test. Proceed immediately to the system calibration procedure on page 5 2. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 68: Figure 4 2: Verifying Adjustments And Signal Path Compensation

    7. Check that the word Pass appears under Signal Path in the main menu. (See Figure 4 2.) If Pass does not appear, the instrument has failed the performance verification; return it to Tektronix for servicing. Performance Verification www.valuetronics.com...

  • Page 69: Functional Test

    If the oscilloscope fails any of these checks it has failed the perfor mance verification. To diagnose the causes of a failure, proceed to the troubleshooting procedures on page 6 33. Equipment Required: One P6109B (TDS 310 and TDS 320) or P6111B (TDS 350) probe (Item 9). Time Required: Approximately 5 minutes.

  • Page 70: Figure 4 3: Hookup For Functional Test

    Functional Test Figure 4 3: Hookup for Functional Test 2. Press SAVE/RECALL SETUP ! Recall Factory Setup ! OK Confirm Factory Init. 3. Press AUTOSET. 4. Set the VOLTS/DIV to 1 V. Use the vertical POSITION knob to center the waveform vertically on screen.
  • Page 71 19. Press CH 2 and move the probe to the CH 2 input. 20. Repeat steps 3 through 17 for Channel 2. 21. Disconnect the probe from the channel input and the PROBE COMP terminal. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 72 Functional Test 4 10 Performance Verification www.valuetronics.com...

  • Page 73: Performance Tests

    Time Required: Approximately 35 minutes. Prerequisites: The oscilloscope must meet the prerequisites listed on page 4 11. Procedure: 1. Set the output of a DC calibration generator to 0 volts. 4 11 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 74: Figure 4 4: Hookup For Dc Voltage Measurement Accuracy Check

    Performance Tests 2. Connect the output of a DC calibration generator through a dual banana connector followed by a 50 W precision coaxial cable to CH 1, as shown in Figure 4 4. DC Calibrator Output Sense Dual Banana to BNC Adapter Coaxial Cable Figure 4 4: Hookup for DC Voltage Measurement Accuracy Check...

  • Page 75: Dc Gain Accuracy

    DC voltage measurement accuracy (in the previous procedure). Offset Accuracy Offset accuracy is verified by successful completion of the Self Tests and the DC voltage measurement accuracy (in the previous procedure). 4 13 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 76: Check Analog Bandwidth

    10. Increase the frequency of the generator output to 50 MHz (TDS 310), 100 MHz (TDS 320), or 200 MHz (TDS 350). 11. Set the SEC/DIV to 10 ns (TDS 310), 5 ns (TDS 320), or 2.5 ns (TDS 350).

  • Page 77: Figure 4 6: Measuring Analog Bandwidth

    17. Press TRIGGER MENU ! Source ! CH 2. 18. Repeat steps 6 through 13 for CH 2. 19. Disconnect the test hook up from the CH 2 input connector. 4 15 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 78: Time Base System Checks

    Performance Tests This procedure checks those characteristics that relate to the Main and Time Base System Delayed time base system and are listed as checked under Warranted Checks Characteristics in the Specifications section. Check Long Term Sample Rate and Delay Time Accuracy Equipment Required: One time marker generator (Item 8), one precision coaxial cable, (Item 2) and one 50 W termination (Item 1).

  • Page 79: Trigger System Checks

    7. Connect the BNC T connector to CH 1; connect the cable to the EXT TRIG input through a 50 W termination as shown in Figure 4 8. 4 17 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 80: Figure 4 8: Hookup For Trigger Sensitivity Check

    36 Inch Cables Figure 4 8: Hookup for Trigger Sensitivity Check 8. Set the generator frequency to 50 MHz (TDS 310), 100 MHz (TDS 320), or 200 MHz (TDS 350). 9. Press MEASURE ! High Low Setup ! Min Max.

  • Page 81: Figure 4 9: Measuring Trigger Sensitivity

    Trigger Level Accuracy, DC Coupled Trigger level accuracy is verified by the successful completion of the Self Tests and the DC voltage measurement accuracy procedure on page 4 11. 4 19 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 82 Performance Tests 4 20 Performance Verification www.valuetronics.com...
  • Page 83 www.valuetronics.com...

  • Page 84: Adjustment

    Adjustment This section contains information you need to adjust the TDS 310, TDS 320, and TDS 350. There are only three types of adjustments you can perform on the oscilloscope: the automated and semiautomated adjustments in the system calibration menu, attenuator adjustments, and monitor adjustments.

  • Page 85: The System Calibration Menu

    Adjustment The oscilloscope has four onboard calibration routines. You can access The System these routines through the system calibration menu. Use the following Calibration Menu procedure. NOTE Except for early TDS 320 oscilloscopes, the Voltage, Timing, and External Trigger calibration routines are disabled at the factory. To enable the calibration menus, see Enabling Calibration Menus, on page 6 35.
  • Page 86 VOLTS/DIV to 50 mV, and set the SEC/DIV to 250 ns. This should result in a waveform similar to the one shown in Figure 5 2. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 87: Attenuator Adjustment

    Adjustment Figure 5 2: Timing Compensation Waveform 18. Press UTILITY. 19. Press the main menu button Timing. Read the on screen text before continuing. 20. Press the side menu button OK Compensate Timing. Follow the instructions on the screen. Use this procedure to adjust the low frequency compensation of the channel Attenuator 1 and channel 2 attenuators.

  • Page 88: Figure 5 3: Attenuator Adjustment Setup And Locations

    18. Use an adjustment tool to adjust the CH 1 100X capacitor for the flattest response. 19. Press WAVEFORM OFF, CH 2, and TRIGGER MENU, in that order. 20. Press the main menu button SOURCE; then press the side menu button Ch2. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 89: Monitor Adjustments

    Adjustment 21. Move the coaxial cable to the CH 2 BNC input, reinstalling the 50 W termination. 22. Repeat steps 7 through 18 for channel 2. 23. Reinstall the instrument cabinet. There are no set performance requirements for the monitor. You may use Monitor Adjustments this procedure to change monitor parameters whenever the brightness, contrast, horizontal position, or vertical position of the display is not to your...
  • Page 90 9. Locate the vertical position potentiometer. Adjust the vertical position until the display is vertically centered on the screen. 10. Locate the horizontal position potentiometer. Adjust the horizontal posi tion until the display is horizontally centered on the screen. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 91 Adjustment Adjustment Procedures www.valuetronics.com...
  • Page 92 www.valuetronics.com...

  • Page 93: Inspection And Cleaning

    5. Nothing capable of generating or holding a static charge should be allowed on the work station surface. 6. Handle circuit boards by the edges when possible. 7. Do not slide the modules over any surface. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 94: General Care

    Use a 75% isopropyl alcohol solution as a cleaner and rinse with deionized water. Before using any other type of cleaner, consult your Tektronix Service Center or representative. Avoid the use of high pressure compressed air when cleaning dust from the interior of this instrument.

  • Page 95: Table 6 1: External Inspection Check List

    Inspect the internal portions of the oscilloscope for damage and wear, using Table 6 2 as a guide. You should repair defects immediately. If you replace any electrical module, perform the adjustment procedures, beginning on page 5 1. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 96: Table 6 2: Internal Inspection Check List

    Inspection and Cleaning CAUTION To prevent damage from electrical arcing, ensure that circuit boards and components are dry before applying power to the oscil loscope. Table 6 2: Internal Inspection Check List Item Inspect For Repair Action Circuit boards Loose, broken, or corroded solder con nections.
  • Page 97 6. Dry all parts with low pressure, deionized air. 7. Dry all components and assemblies in an oven or drying compartment using low temperature (125_ F to 150_ F or 51.7_ C to 65.5_ C) circulat ing air. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 98 Inspection and Cleaning Maintenance www.valuetronics.com...

  • Page 99: Removal And Replacement

    (page 6 13) and then perform the removal procedure for that module. The internal modules are independently removable. Procedures will refer to front," rear," top," etc. of the oscilloscope; note from Figure 6 1 which sides are referenced. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 100: Figure 6 1: Oscilloscope Orientation

    Removal and Replacement Figure 6 1: Oscilloscope Orientation Equipment Required The following tools are required to completely disassemble the oscilloscope into its modules. The tools required to remove an individual module are listed in the first step of its procedure. Table 6 3: Tools Required for Module Removal Item Name...

  • Page 101: Line Fuse And Line Cord

    1. Have handy a flat bladed screwdriver (Item 4). 2. Set the oscilloscope so its bottom is down on the work surface and its rear is facing you. TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 102: Figure 6 2: Line Cord Removal

    Removal and Replacement (1) Unplug (2) Rotate (3) Pull Figure 6 2: Line Cord Removal 3. Find the line cord on the rear cover. (See Figure 6 2.) Now, remove the line cord retaining clamp by first unplugging the line cord from its recep tacle.

  • Page 103: Front Panel Knobs And Shafts

    4. Insert the tweezers between the knob and front panel and use them to remove the knob and its shaft. 5. Pull the shaft out of the knob to remove. 6 11 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 104: Figure 6 4: Knob And Shaft Removal

    Removal and Replacement 6. Reinstallation: a. To reinstall, align the inside of the knob to end of the shaft and push it in until it snaps. b. Insert the shaft of the assembled knob into its hole in the front panel assembly until it stops.

  • Page 105: Rear Cover, Cabinet, And Cabinet Handle

    Install the four screws at the rear panel before installing the single screw at the left side of the cabinet. 6 13 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 106: Figure 6 5: Rear Cover, Cabinet, And Cabinet Handle And Feet Removal

    Removal and Replacement Mounting Screws (4) EMI Gasket: Access from the front of cabinet. Handle Assembly: Remove the internal screws and pull out handle hubs to remove. Front Foot: Rotate and remove. Mounting Screw Figure 6 5: Rear Cover, Cabinet, and Cabinet Handle and Feet Removal 6 14 Maintenance www.valuetronics.com...

  • Page 107: Trim Ring, Menu Elastomer, Menu Buttons, And Front Emi Gaskets

    6. If you are servicing the menu elastomer, lift it out of the trim ring. 7. If you are servicing the menu buttons, lift them out of the trim ring. 6 15 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 108: Figure 6 7: Emi Gasket Removal And Installation

    Removal and Replacement 8. Reinstallation: a. Insert each button into its hole in the trim ring. b. Align the menu elastomer over the menu button holes in the trim ring and press it in to install. Avoid touching the carbon contact points on the elastomer when installing.

  • Page 109: Front Panel Assembly And Menu Flex Circuit

    7. Finally, lift the front panel assembly out of the front of the main chassis to complete the removal. Menu Flex Circuit Front Panel Assembly Press Latch to Release Figure 6 8: Front Panel Assembly and Menu Flex Circuit Removal 6 17 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 110 Removal and Replacement 8. If you are removing the menu flex circuit, pull the circuit away from the front of the main chassis. 9. If you do not need to perform component level service on the front panel assembly, skip to step 16 for reinstallation instructions. 10.

  • Page 111: Figure 6 9: Disassembly Of Front Panel Assembly

    Flex latches (3) downward to release board. Then, rotate board and pull down. Ground Spring View A Rear of Front Panel Figure 6 9: Disassembly of Front Panel Assembly 6 19 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 112: Main Board Assembly

    Removal and Replacement 1. Have handy a screwdriver with a size T 15 TorxR tip (Items 1 and 2), Main Board BNC wrench (Item 14), BNC fixture (Item 15), and soldering iron Assembly (Item 12). 2. Remove the front trim ring as outlined on page 6 15. 3.

  • Page 113: Figure 6 10: Main Board Removal

    Grasp the EMI shield with both hands and carefully pull it straight up to remove the shield. b. Unsolder all 34 leads to the attenuator hybrid. 6 21 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 114: Figure 6 11: Bnc And Hybrid Removal

    Removal and Replacement c. Lift the hybrid away from the main board to complete its removal. 13. If you need to remove a BNC perform the following subparts: a. Unsolder the wire to the center conductor of the BNC. b. From the back of the board, remove the BNC nut and washer using the BNC wrench (Item 14).

  • Page 115: Monitor Assembly

    5. Remove the three T 15 Torx screws securing the monitor assembly to the bottom of the main chassis. Rotate the oscilloscope so its bottom is down on the work surface. 6 23 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 116 Removal and Replacement WARNING To avoid injury or death, do not unplug the anode from the monitor when removing or replacing the monitor module. 6. Remove the three T 15 Torx® screws securing the monitor assembly to the top of the chassis. (See Figure 6 12 to locate the screws.) 7.

  • Page 117: Figure 6 12: Monitor Assembly Removal

    Removal and Replacement Monitor Assembly Trim Ring Mounting Screws (6) Figure 6 12: Monitor Assembly Removal 6 25 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 118: Power Supply Assembly

    Removal and Replacement Power Supply 1. Have handy a screwdriver with a size T 15 Torx tip (Items 1 and 2). Assembly 2. Set the oscilloscope so its right side is down on the work surface, with its bottom facing you. 3.

  • Page 119: Figure 6 13: Low Voltage Power Supply Removal

    9. Gently pull the power supply assembly up and out of the main chassis. 10. Reinstallation: Perform in reverse order steps 9 through 7, reversing the removal instructions in each substep to reinstall the assembly. 6 27 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 120: Option 14 Assembly

    Removal and Replacement Option 14 Assembly 1. Have handy a screwdriver with a size T 15 Torx tip (Items 1 and 2) and a 3/16 inch nut driver (Item 6). 2. Set the oscilloscope so its top is down on the work surface, with its front facing towards you.

  • Page 121: Figure 6 14: Option 14 Disassembly

    Removal and Replacement Figure 6 14: Option 14 Disassembly 13. Reinstallation: Perform steps 12 through 3 in reverse order. 6 29 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 122: Fan And Fan Mount

    Removal and Replacement Tied cables if not used Chassis Top Communications Tied Cables Cable Option Board Power Cable To Option Communications Cable Acquisition Cable Board Clamp Video Cable Chassis Bottom Bottom of Oscilloscope Figure 6 15: Option 14 Assembly Removal 1.

  • Page 123: Figure 6 16: Fan And Fan Mount Removal

    Perform in reverse order steps 3 and 2 to reinstall the fan. 6 31 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 124 Removal and Replacement 6 32 Maintenance www.valuetronics.com...

  • Page 125: Troubleshooting

    3. Repeatedly press the main menu button System until Diag is high lighted in the pop up menu. This calls up the diagnostics menu, shown in Figure 6 17. 6 33 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 126: Figure 6 17: The Diagnostics Menu

    Error Log. NOTE The RS232 Line Snapshot and RS232 Errors are reset at each power on. For more RS 232 information, see the TDS 310, TDS 320, & TDS 350 Programmer Manual. 6 34 Maintenance www.valuetronics.com...

  • Page 127: Figure 6 18: The Error Log

    2. Remove the Rear Cover and Cabinet as described on page 6 13. 3. Set the oscilloscope so its top side is down on the work surface and its front is facing you. 6 35 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 128: Figure 6 19: Main Board Cal Jumper

    Troubleshooting 4. Remove cal jumper J609 from the main board (see Figure 6 19). Save the jumper. After calibration and to protect the calibration settings, reinstall the jumper. 5. Reinstallation: Perform in reverse order steps 1 and 2, reversing the removal instructions in each substep.

  • Page 129: Figure 6 20: Primary Troubleshooting Procedure

    Does Perform the Module the scope power Isolation on and pass all the troubleshooting diagnostics? procedure (Figure 6 21). Done. Figure 6 20: Primary Troubleshooting Procedure 6 37 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 130: Figure 6 21: Module Isolation Troubleshooting Procedure

    Troubleshooting This procedure assumes that the oscilloscope is up and running and you can read the display. Does Select the extended Are any the Error Log The oscilloscope diagnostics menu failures report any is ok. and run all tests. reported? errors? Check the last failure on the list.

  • Page 131: Figure 6 22: Front Panel/Processor Troubleshooting Procedure

    J30 and J603 and is Front Panel Front Panel cable. the cable Module is ok. Replace the Main board. Figure 6 22: Front Panel/Processor Troubleshooting Procedure 6 39 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 132: Figure 6 23: Monitor Troubleshooting Procedure

    Troubleshooting Use this procedure to troubleshoot display problems. Is the Does display legible pin 2 of J901 Replace the but the horizontal have a signal Monitor module. and/or vertical similar to display not Figure 6 25? stable? Power off the oscilloscope Does and disconnect the cable from pin 7 of J901 have...

  • Page 133: Figure 6 24: J901 Pin 7 Signal

    Troubleshooting Figure 6 24: J901 Pin 7 Signal Figure 6 25: J901 Pin 2 Signal 6 41 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 134: Figure 6 26: J901 Pin 5 Signal

    Troubleshooting Figure 6 26: J901 Pin 5 Signal 6 42 Maintenance www.valuetronics.com...

  • Page 135: Figure 6 27: Power Supply Troubleshooting Procedure

    LVPS module. voltages voltages Reconnect power. Replace the option module. Perform the Supply Overload troubleshooting procedure (Figure 6 29). Figure 6 27: Power Supply Troubleshooting Procedure 6 43 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 136: Table 6 4: Power Supply Secondary Voltages

    Troubleshooting Table 6 4: Power Supply Secondary Voltages Location (See Figure 6 28) Minimum Maximum J1 pin 2 +8.38 V +8.82 V J1 pins 5 and 6 +4.87 V +5.13 V J1 pin 8 +4.87 V +5.13 V J1 pin 10 -8.38 V -8.82 V J1 pin 11...

  • Page 137: Figure 6 28: Power Supply Connector Locations

    J3 To Fan Top of Instrument To Option 14 (If Used) To Monitor Front of Instrument To Main Board Bottom of Instrument Figure 6 28: Power Supply Connector Locations 6 45 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 138: Figure 6 29: Supply Overload Troubleshooting Procedure

    Troubleshooting Use this procedure to troubleshoot a Supply Overload problem. WARNING Turn the oscilloscope off before disconnecting a cable. Disconnect J603 from the Main board. Does Replace the Front supply Panel module. work? Disconnect J4 from the Main board. Does Replace the Option supply module.

  • Page 139: Figure 6 30: I/O Interfaces Option Troubleshooting Procedure

    Replace the I/O Replace the Main monitor stable interface. board. and legible? The I/O interface module is OK. Figure 6 30: I/O Interfaces Option Troubleshooting Procedure 6 47 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 140 Troubleshooting 6 48 Maintenance www.valuetronics.com...

  • Page 141: Repackaging Instructions

    170 kg (375 pound) test strength. 2. If you are shipping the oscilloscope to a Tektronix field office for repair, attach a tag to the oscilloscope showing the instrument owner and address, the name of the person to contact about the instrument, the instrument type, and the serial number.
  • Page 142 Repackaging Instructions 6 50 Maintenance www.valuetronics.com...
  • Page 143 Options www.valuetronics.com...

  • Page 144: Options And Accessories

    Option 14: I/O Interfaces This option includes GPIB, RS 232, and Centronics interfaces, VGA video output, and power for the Option 3P printer. It also includes the TDS 310, 320 & 350 Programmer Manual. You can connect a remote display to the VGA 9 pin D connector on the rear panel.
  • Page 145 Option 9C: Certificate of Calibration and Test Data Report Tektronix ships a Certificate of Calibration that states this instrument meets or exceeds all warranted specifications and has been calibrated using standards and instruments whose accuracies are traceable to the National Institute of Standards and Technology, an accepted value of a natural physical constant or a ratio calibration technique.

  • Page 146: Table 7 3: Standard Accessories

    Options and Accessories Standard The standard accessories listed in Table 7 3 come with the TDS 310, Accessories TDS 320, and TDS 350. Table 7 3: Standard Accessories Accessory Reference Instruction Manual XYZs of Analog and Digital Oscilloscopes U.S. Power Cord...

  • Page 147: Accessory Probes

    P6009 High Voltage Probe AM503S DC/AC Current Probe System P6561 SMT Probe Accessory Cables Table 7 5 lists cables you can use with the TDS 310, TDS 320, and TDS 350. You can order them separately. Table 7 6: Accessory Cables Software Part Number GPIB,1 meter (3.3 feet)

  • Page 148: Electrical Parts List

    Electrical Parts List www.valuetronics.com...

  • Page 149: Replaceable Electrical Parts

    Replaceable Electrical Parts Replacement parts are available from or through your local Tektronix, Inc. Parts Ordering Field Office or representative. Information When ordering parts, include the following information in your order: part number, instrument type or number, serial number, and modification number if applicable.
  • Page 150 Chassis mounted parts have no assembly number prefix and are at the end of the electrical parts list. This column indicates part number to use when ordering replacement part Tektronix Part No. from Tektronix. (column 2 of the parts list) Column three (3) indicates the serial number at which the part was first Serial No.

  • Page 151: Cross Index - Mfr. Code Number To Manufacturer

    PO BOX 760 MINERAL WELLS TX 76067-0760 PRODUCTS DIV RESISTIVE PRODUCTS FACILITY AIRPORT ROAD 20932 KYOCERA INTERNATIONAL INC 11620 SORRENTO VALLEY RD SAN DIEGO CA 92121 PO BOX 81543 PLANT NO 1 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 152 1000 E BELL RD PHOENIX AZ 85022-2649 75569 PERFORMANCE SEMICONDUCTOR CORP 610 E WEDDELL DR SUNNYVALE CA 94089 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON OR 97077-0001 PO BOX 500 84411 AMERICAN SHIZUKI CORP 301 WEST O ST...
  • Page 153 B030100 CIRCUIT BD ASSY:OPTION 80009 671264501 (TDS320 ONLY-OPTION 14 ONLY) 671-3105-00 B020100 CIRCUIT BD ASSY:PRINTER POWER 80009 671310500 (TDS310/350 ONLY) 671-3105-00 B030100 CIRCUIT BD ASSY:PRINTER POWER 80009 671310500 (TDS320 ONLY) TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 154 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. 671-2911-00 CIRCUIT BD ASSY:FRONT PANEL 80009 671291100 119-5029-01 B010100 B020099 POWER SUPPLY:IN 90-280 VAC,45-440HZ,100W TK2430 119-5029-01 (TDS310/350 ONLY) 119-5029-02 B020100...
  • Page 155 B010100 B011094 MICROCKT,HYBRID:1 MEGOHM ATTEN/PREAMP 80009 165250000 (TDS320 ONLY) A1AT205 165-2500-01 B011095 B021867 MICROCKT,HYBRID:1 MEGOHM ATTEN/PREAMP 80009 165250001 (TDS320 ONLY) A1AT205 165-2500-03 B021868 MICROCKT,HYBRID:1 MEGOHM ATTEN/PREAMP 80009 165250003 (TDS320 ONLY) TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 156 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1AT206 165-2500-03 MICROCKT,HYBRID:1 MEGOHM ATTEN/PREAMP 80009 165250003 (TDS310/350 ONLY) A1AT206 165-2500-00 B010100 B011094 MICROCKT,HYBRID:1 MEGOHM ATTEN/PREAMP 80009 165250000 (TDS320 ONLY)
  • Page 157 CAP ,FXD,ELCTLT:220UF,+50-20%,25WVDC 1W344 SME35VB221M10X1 A1C221 283-5267-00 CAP ,FXD,CERAMIC:1.0UF,25V,Y5V,+80-20%,SMD 04222 12063G105ZAT1A (TDS310/350 ONLY) A1C230 283-5195-00 CAP ,FXD,CER DI:10PF,5%,100V 04222 12061A100JAT1A (TDS310 ONLY) A1C231 283-5195-00 CAP ,FXD,CER DI:10PF,5%,100V 04222 12061A100JAT1A (TDS310 ONLY) TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 158 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1C250 283-5267-00 CAP ,FXD,CERAMIC:1.0UF,25V,Y5V,+80-20%,SMD 04222 12063G105ZAT1A A1C305 283-5196-00 CAP ,FXD,CER DI:47PF,5%,100V 04222 12061A470JAT1A A1C307 283-5196-00 CAP ,FXD,CER DI:47PF,5%,100V 04222 12061A470JAT1A...
  • Page 159 MMBD1203-HIGH A1CR554 152-5018-00 DIODE,SIG:,ULTRA FAST;100V,0.74VF,4NS,2.0PF 27014 MMBD1203-HIGH A1J51 131-3731-00 CONN,RF JACK:BNC,;50 OHM,FEMALE,STR 24931 28JR377-1 A1J52 131-3731-00 CONN,RF JACK:BNC,;50 OHM,FEMALE,STR 24931 28JR377-1 A1J53 131-3731-00 CONN,RF JACK:BNC,;50 OHM,FEMALE,STR 24931 28JR377-1 8 11 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 160 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1J601 131-3147-00 CONN,HDR:PCB,;MALE,STR,2 X 25,0.1 CTR,0.365D 53387 2550-6002UB A1J603 131-5344-00 CONN,HDR:PCB,;MALE,STR,1 X 16,0.1 CTR 00779 1-103670-5 A1J609 131-5203-00 CONN,HDR:PCB,;MALE,STR,1 X 2,0.1 CTR...
  • Page 161 TRANSISTOR,SIG:BIPOLAR,NPN;40V,200MA 04713 MMBT3904T1/T2 A1Q509 151-5058-00 TRANSISTOR,SIG:BIPOLAR,PNP;12V,80MA 04713 MMBT3640LT1 A1Q510 151-5058-00 TRANSISTOR,SIG:BIPOLAR,PNP;12V,80MA 04713 MMBT3640LT1 A1Q701 151-5000-00 TRANSISTOR,SIG:BIPOLAR,PNP;40V,200MA 04713 MMBT3906LT1 A1Q702 151-5000-00 TRANSISTOR,SIG:BIPOLAR,PNP;40V,200MA 04713 MMBT3906LT1 A1Q703 151-5000-00 TRANSISTOR,SIG:BIPOLAR,PNP;40V,200MA 04713 MMBT3906LT1 8 13 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 162 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1Q704 151-5000-00 TRANSISTOR,SIG:BIPOLAR,PNP;40V,200MA 04713 MMBT3906LT1 A1R50 313-1390-00 RES,FXD,FILM:39 OHM,5%,0.2W 91637 CCF50-2-39R00J A1R101 321-5006-00 RES,FXD:METAL FILM;100 OHM,1%,0.125W 91637 CRCW12061000FT A1R102 321-5020-00 RES,FXD:METAL FILM;1.5K OHM,1%,0.125W...
  • Page 163 RES,FXD:METAL FILM;75 OHM,1%,0.125W 56845 CRCW120675ROFT A1R211 321-5113-00 RES,FXD:METAL FILM;75 OHM,1%,0.125W 56845 CRCW120675ROFT A1R212 321-5113-00 RES,FXD:METAL FILM;75 OHM,1%,0.125W 56845 CRCW120675ROFT (TDS320 ONLY) A1R215 321-5018-00 RES,FXD:METAL FILM;1.0K OHM,1%,0.125W 91637 CRCW12061001FT 8 15 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 164 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1R216 321-5038-00 RES,FXD:METAL FILM;47.5K OHM,1%,0.125W 91637 CRCW12064752FT A1R217 321-5032-00 RES,FXD:METAL FILM;15.0K OHM,1%,0.125W 91637 CRCW12061502FT A1R218 321-5019-00 RES,FXD:METAL FILM;1.21K OHM,1%,0.125W 91637...
  • Page 165 A1R310 321-5014-00 RES,FXD:METAL FILM;475 OHM,1%,0.125W 91637 CRCW12064750FT A1R314 321-5007-00 RES,FXD:METAL FILM;121 OHM,1%,0.125W 91637 CRCW12061210FT A1R315 321-5007-00 RES,FXD:METAL FILM;121 OHM,1%,0.125W 91637 CRCW12061210FT A1R316 321-5007-00 RES,FXD:METAL FILM;121 OHM,1%,0.125W 91637 CRCW12061210FT 8 17 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 166 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1R317 321-5014-00 RES,FXD:METAL FILM;475 OHM,1%,0.125W 91637 CRCW12064750FT A1R318 321-5005-00 RES,FXD:METAL FILM;27.4 OHM,1%,0.125W 91637 CRCW120627R4FT A1R319 321-5005-00 RES,FXD:METAL FILM;27.4 OHM,1%,0.125W 91637...
  • Page 167 CRCW12062211FT A1R516 321-5030-00 RES,FXD:METAL FILM;10.0K OHM,1%,0.125W 91637 CRCW12061002FT A1R521 321-5018-00 RES,FXD:METAL FILM;1.0K OHM,1%,0.125W 91637 CRCW12061001FT A1R523 321-5018-00 RES,FXD:METAL FILM;1.0K OHM,1%,0.125W 91637 CRCW12061001FT A1R525 321-5370-00 RES,FXD,FILM:0.25 OHM,10%,0.33W 57489 L1206MR250KB 8 19 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 168 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1R526 321-5370-00 RES,FXD,FILM:0.25 OHM,10%,0.33W 57489 L1206MR250KB A1R527 321-5005-00 RES,FXD:METAL FILM;27.4 OHM,1%,0.125W 91637 CRCW120627R4FT A1R528 321-5030-00 RES,FXD:METAL FILM;10.0K OHM,1%,0.125W 91637 CRCW12061002FT...
  • Page 169 RES,FXD:METAL FILM;49.9 OHM,1%,0.125W 91637 CRCW-1206-49R9 A1R709 321-5194-00 RES,FXD:METAL FILM;49.9 OHM,1%,0.125W 91637 CRCW-1206-49R9 A1R710 321-5013-00 RES,FXD:METAL FILM;392 OHM,1%,0.125W 91637 CRCW12063920FT (TDS310/350 ONLY) A1R711 321-5013-00 RES,FXD:METAL FILM;392 OHM,1%,0.125W 91637 CRCW12063920FT (TDS310/350 ONLY) 8 21 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 170 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1R712 321-5113-00 RES,FXD:METAL FILM;75 OHM,1%,0.125W 56845 CRCW120675ROFT (TDS310/350 ONLY) A1R713 321-5194-00 RES,FXD:METAL FILM;49.9 OHM,1%,0.125W 91637 CRCW-1206-49R9 (TDS310/350 ONLY) A1R714 321-5194-00 RES,FXD:METAL FILM;49.9 OHM,1%,0.125W...
  • Page 171 IC,MEMORY:CMOS,DRAM,256K X 16,80NS 0JR04 TC514260BJL-80 (TDS310/350 ONLY) A1U704 156-5962-01 B010100 B021867 IC,MEMORY:CMOS,DRAM;256K X 4,70NS 0JR04 TC514256AJL-70 (TDS320 ONLY) A1U704 156-6484-01 B021868 IC,MEMORY:CMOS,DRAM,256K X 16,80NS 0JR04 TC514260BJL-80 (TDS320 ONLY) 8 23 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 172 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A1U705 156-5962-01 B010100 B021867 IC,MEMORY:CMOS,DRAM;256K X 4,70NS 0JR04 TC514256AJL-70 (TDS320 ONLY) A1U705 156-6484-01 B021868 IC,MEMORY:CMOS,DRAM,256K X 16,80NS 0JR04 TC514260BJL-80 (TDS320 ONLY)
  • Page 173 IC,DIGITAL:LSTTL,GATES;HEX INV BUS DRIVER 01295 SN74LS368D A2U13 156-5075-00 IC,DIGITAL:HCMOS,GATE;QUAD 2-INPUT NAND 0JR04 TC74HC00AFN A2W1 174-3196-00 CA ASSY,SP:DESCRETE,PWR,2,26AWG,5.0L 80009 174319600 A2Y1 158-5017-00 XTAL UNIT,QTZ:3.6864 MHZ,+/- 0.01%,PARALLEL 61429 FPX-SM 3.6864 M 8 25 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 174 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. 671-3105-00 B020100 CIRCUIT BD ASSY:PRINTER POWER 80009 671310500 (TDS310/350 ONLY) 671-3105-00 B030100 CIRCUIT BD ASSY:PRINTER POWER 80009 671310500 (TDS320 ONLY)
  • Page 175 A4DS203 150-5008-00 DIODE,OPTO:,LED;GRN,569NM,4.2MCD AT 10MA 50434 HLMP-6505-T21 A4DS204 150-5008-00 DIODE,OPTO:,LED;GRN,569NM,4.2MCD AT 10MA 50434 HLMP-6505-T21 A4DS205 150-5008-00 DIODE,OPTO:,LED;GRN,569NM,4.2MCD AT 10MA 50434 HLMP-6505-T21 A4DS206 150-5008-00 DIODE,OPTO:,LED;GRN,569NM,4.2MCD AT 10MA 50434 HLMP-6505-T21 8 27 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 176 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A4DS207 150-5008-00 DIODE,OPTO:,LED;GRN,569NM,4.2MCD AT 10MA 50434 HLMP-6505-T21 A4DS208 150-5008-00 DIODE,OPTO:,LED;GRN,569NM,4.2MCD AT 10MA 50434 HLMP-6505-T21 A4J30 131-5344-00 CONN,HDR:PCB,;MALE,STR,1 X 16,0.1 CTR...
  • Page 177 74HC259 A4U304 156-6135-01 IC,DIGITAL:HCMOS,DEMUX/DECODER;3-TO-8 01295 SN74HC138DR A4U305 156-6135-01 IC,DIGITAL:HCMOS,DEMUX/DECODER;3-TO-8 01295 SN74HC138DR A4U420 156-5050-01 IC,MISC:HCMOS,ANALOG MUX;8-CHANNEL 18324 74HC4051DT A4U421 156-5050-01 IC,MISC:HCMOS,ANALOG MUX;8-CHANNEL 18324 74HC4051DT A4Y140 119-4061-00 RESONATOR,CERAM:2.4576MHZ,50VAC,0.5% 20932 KBR-2.45MS 8 29 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 178 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. 119-5029-01 B010100 B020099 POWER SUPPLY:IN 90-280 VAC,45-440HZ,100W TK2430 119-5029-01 (TDS310/350 ONLY) 119-5029-02 B020100 POWER SUPPLY:IN 90-280 VAC,45-440HZ,100W TK2430 119-5029-02 (TDS310/350 ONLY)
  • Page 179 CAP ,FXD,ALUM:2.2UF,+50-20%,160V,8 X 11.5MM 1W344 SME250VB2R2M8X1 A26C430 285-1189-00 CAP ,FXD,MTLZD:0.1 UF,5%,100 V 05292 PMT 3R .1J 100 A26C450 281-0791-00 CAP ,FXD,CERAMIC:MLC;270PF,10%,100V 04222 SA102C271KAA A26C451 281-0775-01 CAP ,FXD,CERAMIC:MCL;0.1UF,20%,50V,Z5U,0.170 04222 SA105E104MAA 8 31 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 180 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A26C452 281-0772-00 CAP ,FXD,CERAMIC:MLC;4700PF,10%,100V,0.100 X 04222 SA101C472KAA A26C460 281-0812-00 CAP ,FXD,CERAMIC:MLC;1000PF,10%,100V 04222 SA101C102KAA A26C461 281-0813-00 CAP ,FXD,CERAMIC:MLC;0.047UF,20%,50V 04222 SA105E473MAA A26C462 285-1340-00 CAP ,FXD,PLASTIC:METALIZED FILM;0.01UF,10%...
  • Page 181 RES,FXD,FILM:4.7K OHM,5%,0.25W TK1727 SFR25 2322-181- A26R420 313-1100-00 RES,FXD,FILM:10 OHM,5%,0.2W 91637 CCF50-2-10R00J A26R421 313-1184-00 RES,FXD,FILM:180K OHM,5%,0.2W 91637 CCF50-2-18002J A26R422 313-1624-00 RES,FXD,FILM:620K OHM,5%,0.2W 91637 CCF5062002J A26R423 313-1244-00 RES,FXD,FILM:240K OHM,5%,0.2W 91637 CCF50-2-24002J 8 33 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 182 Replaceable Electrical Parts Component Tektronix Serial No. Mfr. Number Part No. Effective Dscont Name & Description Code Mfr. Part No. A26R430 313-1272-00 RES,FXD,FILM:2.7K OHM,5%,0.2W 91637 CCF50-2-27000J A26R431 313-1151-00 RES,FXD,FILM:150 OHM,5%,0.2W 91637 CCF50-2-150R0J A26R440 313-1753-00 RES,FXD,FILM:75K OHM,5%,0.2W 91637 CCF50-2-75001J A26R441 313-1184-00 RES,FXD,FILM:180K OHM,5%,0.2W...
  • Page 183 Diagrams www.valuetronics.com...

  • Page 184: Diagrams And Circuit Board Illustrations

    The tilde (~) preceding a signal name indicates that the signal performs its intended function when in the low state. Other standards used in the preparation of diagrams by Tektronix. Inc are: Tektronix Standard 062 2476 Symbols and Practices for Schematic Drafting ANSI Y14.159 1971 Interconnection Diagrams...

  • Page 185: Figure 9 1: Graphic Items And Special Symbols Used In This Manual

    Diagrams and Circuit Board Illustrations Locator Grid Power Termination Component on Function Block back of board Title Board Outline Strap Internal Screw Adjustment Refer to Waveform Panel Assembly Number Control Onboard Jumper Digital Ground Male Coaxial Refer to Assembly Connector &...

  • Page 186: Mechanical Parts List

    Mechanical Parts List www.valuetronics.com...

  • Page 187: Replaceable Mechanical Parts

    This section contains a list of the mechanical components that are replaceable for the TDS 300 Series. As described below, use this list to identify and order replacement parts. Replacement parts are available from or through your local Tektronix, Inc., Parts Ordering service center or representative.

  • Page 188: Indentation System

    Replaceable Mechanical Parts Indentation System This parts list is indented to show the relationship between items. The following illustrates the indentation system in the Description column: Name & Description Assembly and/or Component Attaching parts for Assembly and/or Component (END ATTACHING PARTS) Detail Part of Assembly and/or Component Attaching parts for Detail Part (END ATTACHING PARTS)
  • Page 189 COLD SPRING KY 41076-9749 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON OR 97077-0001 PO BOX 500 86928 SEASTROM MFG CO INC 701 SONORA AVE GLENDALE CA 91201-2431 10 3 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 190 Replaceable Mechanical Parts Fig. & Index Tektronix Serial No. Mfr. Part No. Effective Dscont 12345 Name & Description Code Mfr. Part No. 10-1-1 334-8202-00 MARKER,IDENT:MKD HANDLE 80009 334820200 390-1109-00 CABINET,SCOPE:ALUMINUM,TEK BLUE TK1935 ORDER BY DESC 367-0289-02 HANDLE,CARRING:13.855,DTT 80009 367028902 212-0144-00 SCREW,TPG,TF:8-16 X 0.562 L,PLASTITE...

  • Page 191: Figure 10 1: Cabinet

    Replaceable Mechanical Parts Figure 10 1: Cabinet 10 5 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 192 Replaceable Mechanical Parts Fig. & Index Tektronix Serial No. Mfr. Part No. Effective Dscont 12345 Name & Description Code Mfr. Part No. 10-2-1 200-3232-00 COVER,FRONT:ABS TK1908 ORDER BY DESC (OPTIONAL ACCESSORY) 334-8737-00 MARKER,IDENT:MKD TDS310 80009 334873700 334-8323-00 MARKER,IDENT:MKD TDS320 80009...

  • Page 193: Figure 10 2: Front Panel Assembly

    Replaceable Mechanical Parts Figure 10 2: Front Panel Assembly 10 7 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 194 Replaceable Mechanical Parts Fig. & Index Tektronix Serial No. Mfr. Part No. Effective Dscont 12345 Name & Description Code Mfr. Part No. 10-3-1 426-2436-00 B010100 B020099 FRAME,CRT FLTR:POLYCARBONATE TK1163 ORDER BY DESC (TDS310/350 ONLY) 426-2436-01 B020100 FRAME,CRT FLTR:POLYCARBONATE TK1163 ORDER BY DESC...

  • Page 195: Figure 10 3: Crt, Power Supply, And Circuit Boards

    Replaceable Mechanical Parts Figure 10 3: CRT, Power Supply, and Circuit Boards 10 9 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...

  • Page 196: Figure 10 4: Accessories-Cable Options

    Replaceable Mechanical Parts Fig. & Index Tektronix Serial No. Mfr. Part No. Effective Dscont 12345 Name & Description Code Mfr. Part No. STANDARD ACCESSORIES 10-4-1 161-0104-05 CABLE ASSY,PWR,:3,18 AWG,240V,98.0 L S3109 SAA/3-OD3CCFC3X (OPTION A3-AUSTRALIAN) 161-0104-06 CABLE ASSY,PWR,:3 X 0.75MM SQ,220V,98.0 L...
  • Page 197 016115800 016-1159-00 POUCH:POUCH & PLATE,GPS SIZE 80009 016115900 016-1166-00 RACKMOUNT KIT: 80009 016116600 -------- COVER,FRONT:ABS (SEE FIGURE 10-2-1) 070-8571-04 MANUAL,TECH:PROGRAMMER 80009 070857104 070-8722-02 MANUAL,TECH:INSTRUCTION, OPT 3P 80009 070872202 10 11 TDS 310, TDS 320 & TDS 350 Service Manual www.valuetronics.com...
  • Page 198 Replaceable Mechanical Parts 10 12 Mechanical Parts List www.valuetronics.com...
  • Page 199 www.valuetronics.com...
  • Page 200 www.valuetronics.com...

This manual is also suitable for:

Tds 320Tds 350