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Tektronix TDS 340A Technical Reference

Tektronix TDS 340A Technical Reference

Digital real-time oscilloscopes
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Enlarged version
Technical Reference
TDS 340A, TDS 360 & TDS 380
Digital Real-Time Oscilloscopes
070-9436-04
This document applies to firmware version 1.05
and above.
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.

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Summary of Contents for Tektronix TDS 340A

  • Page 1 Technical Reference TDS 340A, TDS 360 & TDS 380 Digital Real-Time Oscilloscopes 070-9436-04 This document applies to firmware version 1.05 and above. Warning The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so.
  • Page 2 Copyright Tektronix, Inc. All rights reserved. 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. Printed in the U.S.A. Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000...
  • Page 3 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.
  • Page 5 ......4–20 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 6 ........10–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 7: Table Of Contents

    ........6–14 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 8 ....9–14 Figure 9–7: A11, A12 Main board (TDS 340A, TDS 360) (section A, B) ......... . .
  • Page 9 Contents Figure 9–8: A11, A12 Main board (TDS 340A, TDS 360) (section C, D) ......... . .
  • Page 10 ....6–6 Table 6–4: Power supply secondary voltages ..... . 6–40 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 11 ........7–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 12 Contents viii TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 13 Do not touch exposed connections and components when power is present. Keep Probe Surface Clean and Dry. To avoid electric shock and erroneous readings, keep probe surface clean and dry. TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 14 Protective Ground ATTENTION Double High Voltage (Earth) Terminal Refer to Manual Insulated Certifications and Refer to the specifications section for a listing of certifications and compliances Compliances that apply to this product. TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 15 To avoid electric shock, do not touch exposed connections. X-Radiation. To avoid x-radiation exposure, do not modify or otherwise alter the high-voltage circuitry or the CRT enclosure. X-ray emissions generated within this product have been sufficiently shielded. TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 16 Service Safety Summary TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 17 Preface This technical reference manual provides service information for the TDS 340A, TDS 360, and TDS 380 Digitizing Oscilloscopes. Manual Structure This manual is divided into Chapters such as Specifications and Theory of Operation. Further, it is divided into subsections such as Product Description and Removal and Installation Procedures.
  • Page 18 Related Manuals These other manuals are available for the TDS 340A, TDS 360, and TDS 380 Digitizing Oscilloscopes. The Reference Manual gives you a quick overview of how to operate your oscilloscope.

  • Page 20: Table 1-1: Warranted Characteristics - Signal Acquisition

    Specifications This appendix contains complete specifications for the TDS 340A, TDS 360, and TDS 380. The specifications are divided into three subsections, one for each of three classes of traits: Warranted Characteristics, Typical Characteristics, and Nominal Traits. Warranted Characteristics Warranted characteristics are described in terms of quantifiable performance limits that are warranted.

  • Page 21: Table 1-2: Warranted Characteristics - Time Base System

    The WI (waveform interval) is the time between the samples in the waveform record. Also, see the footnotes for Sample Rate Range and Equivalent Time or Interpolated Waveform Rates in Table 1–11 on page 1–8. 1–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 22: Table 1-3: Warranted Characteristics - Triggering System

    TDS 380: 0.35 division from DC to 50 MHz, increasing to 1 div at 400 MHz External TDS 340A: 50 mV from DC to 20 MHz, increasing to 150 mV at 100 MHz TDS 360: 50 mV from DC to 50 MHz,...

  • Page 23: Table 1-5: Warranted Characteristics - Environmental

    Random vibration without diskette in floppy disk drive: 0.31 g , from 5 to 500 Hz, 10 minutes each axis, operating; 2.46 g , from 5 to 500 Hz, 10 minutes each axis, non-operating 1–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 24: Table 1-6: Typical Characteristics - Signal Acquisition System

    3% for sec/div settings from 5 Sec/Div to 25 sec/div; Acquisition Mode 2% for sec/div settings from 10 s/div to 5 ns/div (TDS 340A); 2% for sec/div settings from 10 s/div to 2.5 ns/div (TDS 360); 2% for sec/div settings from 10 s/div to 1 ns/div (TDS 380)

  • Page 25: Table 1-7: Typical Characteristics - Triggering System

    Table 1–8: Typical characteristics — probe compensator output Name Description Output Voltage and Frequency, Characteristic Pro e om e s tor Probe Compensator Voltage 5.0 V (low-high) into a 1 M load Frequency 1 kHz 1–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 26: Table 1-9: Typical Characteristics - Data Handling

    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. 1–7 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 27: Table 1-11: Nominal Traits - Time Base System

    Table 1–11: Nominal traits — time base system Name Description Range, Sample-Rate TDS 340A: 10 Samples/s to 500 MSamples/s in a 1–2–5 sequence TDS 360: 10 Samples/s to 1 GSamples/s in a 1–2–5 sequence TDS 380: 10 Samples/s to 2 GSamples/s in a 1–2–5 sequence Range, Seconds/Division TDS 340A: 5 ns/div to 5 s/div in a 1–2.5–5 sequence...

  • Page 28: Table 1-13: Nominal Traits - Display System

    Table 1–15: Nominal traits — power distribution system Name Description 5 mm 20 mm, 3.15 A (T), 250 V; or 1.25 in 0.25 in, 3 A (T), 250 V Fuse Rating 1–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 29: Table 1-16: Nominal Traits - Mechanical Characteristics

    564 mm (22.2 in) with handle extended Rackmount Instrument Height: 178 mm (7 in) Width: 483 mm (19 in) Depth: 472 mm (18.6 in) without handles; 517 mm (20.35 in) including handles 1–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 30: Figure 1-1: Oscilloscope Dimensions

    Specifications 471 mm 327.2 mm (18.55 in.) (12.88 in.) 165 mm (6.5 in.) 308.1 mm (12.13 in.) 569 mm (22.4 in.) 381 mm (15 in.) Figure 1–1: Oscilloscope dimensions 1–11 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 31: Table 1-17: Certifications And Compliances

    Local-level mains, appliances, portable equipment CAT I Signal levels in special equipment or parts of equipment, telecommu- nications, electronics Pollution Degree 2 Do not operate in environments where conductive pollutants may be present. 1–12 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 33 This chapter identifies and describes each control and connector on the TDS 300 Series oscilloscope. This chapter also describes how to use the oscilloscope menu system. Refer to the TDS 340A, TDS 360 & TDS 380 User Manual for more information on setting up and taking measurements with the oscilloscope.
  • Page 34 The Horizontal POSITION knob controls the horizontal position of all waveforms. The HORIZONTAL MENU button calls up the horizontal operations menu. The SCALE knob controls the horizontal scale of the active waveforms. 2–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 35 Inputs The channel BNC inputs (CH1 and The EXT TRIG input accepts external CH2) accept electrical signals for trigger signals. display. 2–3 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 36 The ACQUIRE button calls up the cursor to cursor. acquisition menu. The SAVE/RECALL button calls up the save/recall menu. The CURSOR button calls up the cursor menu. The DISPLAY button calls up the display menu. 2–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 37 The Time base readout shows the and trigger feature (Field 1, choice of major actions. time base setting. M indicates Field 2, or Lines). (M)ain time base, D indicates (D)elayed time base. 2–5 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 38 You can use the GPIB and RS-232 interfaces to operate and program the oscilloscope from a GPIB or RS-232 controller; refer to the TDS 340A, TDS 360 & TDS 380 Programmer Manual for more information.
  • Page 39 Figure 2–2 provides a graphic overview of using the menu system. 2–7 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 40: Figure 2-1: A Pop-Up Menu

    3. Push a side-menu button to select a subfunction. 4. Use the General Purpose knob to change variable-function or subfunction settings. 5. Press the CLEAR MENU button to remove a menu from the screen. 2–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 41: Figure 2-2: Using Menus

    Select an item from the main menu or use leftmost button to pop up selections. Select an item from the side menu, if displayed. Adjust menu item values with general purpose knob. Figure 2–2: Using menus 2–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 42 Operating Information 2–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 44 Theory of Operation This chapter describes the electrical operation of the TDS 340A, TDS 360, and TDS 380 at the module level. Logic Conventions This manual refers to digital logic circuits with standard logic symbols and terms. Unless otherwise stated, all logic functions are described using the positive logic convention: the more positive of the two logic levels is the high (1) state and the more negative level is the low (0) state.

  • Page 45: Figure 3-1: Block Diagram

    16 Pins J702 10 Pins 8 Pins J605 Floppy interface Floppy disk drive board J602 J606 26 Pins 50 Pins 50 Pins 26 Pins TRIG J607 Figure 3–1: Block diagram 3–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 46: Figure 3-2: Block Diagram With Option 14 Installed

    50 Pins TRIG J607 P601 Option 14 RS232 9 Pins I/O Interfaces 25 Pins GPIB 50 Pins CENTRONICS 25 Pins 50 Terminations Figure 3–2: Block diagram with Option 14 installed 3–3 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 47 The A2 Option 14 board has GPIB, RS-232, and Centronics interfaces for external control and hardcopy operations. Also included is the A3 board with a VGA video output port and a power connector for the Option 3P printer. 3–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 48 Low Voltage Power Supply. The fan provides forced air cooling for the oscilloscope. It connects to a 12 V connector on the Low Voltage Power Supply. 3–5 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 49 Theory of Operation 3–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 50 A11/A12/A13 Main Board A signal enters the oscilloscope through a probe connected to a BNC on the A11 (TDS 340A), A12 (TDS 360), or A13 (TDS380) Main Board. Attenuators. 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 51 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. 3–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 52 The dual ramp consists of a short-duration, positive-going ramp and a long-dura- tion, negative-going ramp. The ramps are the result of charging or discharging integrating capacitors C307 and C305 from constant current sources. The 3–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 53 Next, the signal is compared to a reference threshold (i.e., trigger level). The polarity of the comparator can be switched to change the trigger slope. A shift register controls filter selection, slope selection, and mode selection. The trigger 3–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 54 400 ms after the +5 V supply stabilizes. Power-off reset asserts when the supply falls below a usable threshold. Memory. The memory subsystem includes 32 K 8 NVRAM for power-off storage and dynamic RAM for the main system RAM. 3–11 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 55 HSYNC (31.25 Hz) and VSYNC (60 Hz). U703D, U708D, and U709 generate AUX HSYNC, AUX VSYNC and AUX VIDEO for the Option 14 VGA Video output connector. 3–12 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 56 ON/STBY button; its signal passes through the Front-Panel Board and the Main Board to the A20 Low Voltage Power Supply. The front panel also generates the probe compensation signal. 3–13 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 57 The Low Voltage Power Supply does not have a main power switch. The ON/STBY switch, located on the front panel, controls all the power to the oscilloscope except the standby circuits in the Low Voltage Power Supply. 3–14 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 58 Transformer T210 generates the CRT high voltage from the large voltage pulse that occurs during horizontal retrace (flyback pulse). Other secondary voltages are also derived from the flyback pulse. 3–15 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 59 Theory of Operation 3–16 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 61 Performance Verification The procedures in this chapter verify that the TDS 340A, TDS 360, and TDS 380 oscilloscopes meet warranted specifications. There are three perfor- mance tests that you can do. To rapidly confirm that this oscilloscope functions, do the Self Test procedures that begin on page 4–5.

  • Page 62: Figure 4-1: Menu Locations

    Button. For example, “Push TRIGGER MENU Type: Video Trig- ger On Lines.” STOP. This symbol denotes information you must read to do the procedure properly. Side Menu Pop-Up Menu Main Menu Figure 4–1: Menu locations 4–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 63: Table 4-1: Test Equipment

    (TDS 380) The high frequency leveled sine wave generator is only required to verify the TDS 380, not the TDS 340A or TDS 360. If you use the example equipment, refer to Sine Wave Generator Leveling Procedure on page 4–20 for information on...
  • Page 64 Performance Verification Test Record Photocopy this page and use it to record the performance test results for your instrument. TDS 340A, TDS 360, and TDS 380 test record Instrument Serial Number: Certificate Number: Temperature: RH %: Date of Calibration: Technician:...
  • Page 65 When finished, status messages appear on the screen. 4. Check that the screen reports no failures. If it reports a failure, the oscillo- scope has failed the self test. Contact your Tektronix representative for assistance. 5. Press CLEAR MENU.

  • Page 66: Figure 4-2: Verifying Adjustments And Signal Path

    9. Check that the word Pass appears under Signal Path in the main menu. (See Figure 4–2.) If Pass does not appear, the oscilloscope has failed the performance verification; return it to Tektronix for servicing. 4–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 67: Figure 4-3: Hookup For Functional Test

    If you make changes to these settings other than those called out in the procedure, you may obtain invalid results. In this case, just redo the procedure from step 1. Equipment Required: One P6109B (TDS 340A), P6111B (TDS 360), or P6114B (TDS 380) probe. Time Required: Approximately 5 minutes.
  • Page 68 18. Press CH 2 and move the probe to the CH 2 input. 19. Repeat steps 3 through 16 for Channel 2. 20. Disconnect the probe from the channel input and the PROBE COMP terminal. 4–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 69: Figure 4-4: Hookup For File System Functional Test

    , then containing five digits, and a .SET extension. For example, if you are using a blank disk, the file name will be 11. Push the Save To Selected File side-menu button. The oscilloscope writes the current settings out to the file. 4–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 70 250 s and the trigger at 50%. 19. Disconnect the probe from the channel input and the PROBE COMP terminal. You are done running the file system functional test. 4–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 71 Contact with live circuits could cause injury or death. Be sure to set the DC calibration generator to 0 volts before connecting, disconnecting, or moving the test hookup during the performance of this procedure. 4–11 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 72: Figure 4-5: Hookup For Dc Voltage Measurement Accuracy Check

    9. Turn the General Purpose Knob to set the vertical position to the setting listed in Table 4–2. The baseline level moves off screen. 10. Press the main menu button Offset. 4–12 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 73: Table 4-2: Dc Accuracy

    18. Move the test hookup to the CH 2 input. 19. Repeat steps 5 through 15 for channel 2. 20. Set the generator output to 0 V. 21. Disconnect the cable at the CH 2 input connector. 4–13 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 74: Figure 4-6: Hookup For Analog Bandwidth Check

    1. Press SAVE/RECALL SETUP Recall Factory Setup OK Confirm Factory Init. 2. Set the horizontal SCALE to 10 s/div. 3. Press TRIGGER MENU Coupling Noise Rej. 4. Press ACQUIRE Mode Average 16. 4–14 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 75: Figure 4-7: Measuring Analog Bandwidth

    42.5 mV. First, increase the reference frequency to the test frequency; then decrease the horizontal scale. Second, read the results from the readout of measurement Pk-Pk. Figure 4–7: Measuring analog bandwidth 4–15 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 76: Figure 4-8: Hookup For Sample Rate Check

    CH 1, as shown in Figure 4–8. Set the output of the generator for 10 ms markers. Digitizing oscilloscope Time mark generator Output termination Figure 4–8: Hookup for sample rate check 4–16 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 77 NOTE. One division of displacement from the center graticule corresponds to a 50 ppm time base error. 12. Disconnect the test hookup. Delta Time Measurement Delta time measurement accuracy is verified by successful completion of the Accuracy previous procedure. 4–17 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 78: Figure 4-9: Hookup For Trigger Sensitivity Check

    7. Connect the BNC T connector to CH 1; connect the cable to the EXT TRIG input through a 50 termination as shown in Figure 4–9. Leveled Digitizing oscilloscope sine wave generator Output EXT TRIG termination Figure 4–9: Hookup for trigger sensitivity check 4–18 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 79: Figure 4-10: Measuring Trigger Sensitivity

    First, set a signal with an amplitude at the minimum trigger sensitivity. Second, check for a stable trigger at both the positive and negative slope settings. Figure 4–10: Measuring trigger sensitivity 4–19 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 80 Time Required: About 5 minutes. Prerequisites: See page 4–11. Procedure: 1. Connect the equipment as shown in Figure 4–11. 2. Set the sine wave generator to a reference frequency of 50 kHz. 4–20 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 81: Figure 4-11: Hookup For Sine Wave Generator Leveling

    4. The signal amplitude is now correctly set for the new frequency. Sine wave Level Digitizing oscilloscope generator meter Input Output Power splitter Attenuators (if necessary) Power sensor Figure 4–11: Hookup for sine wave generator leveling 4–21 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 82 Performance Tests 4–22 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 84: Table 5-1: Adjustment Equipment

    Adjustment Procedures This chapter contains information you need to adjust the TDS 340A, TDS 360, and TDS 380. 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: Figure 5-1: The System Calibration Menu

    Figure 5–1: The system calibration menu 3. Remove all input signals from the front panel BNC connectors. 4. Press the main menu button Voltage Reference. Read the on-screen text before continuing. 5–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • 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. 5–3 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 87: Figure 5-2: Timing Compensation Waveform

    1. Remove the instrument cabinet as described in the removal procedure on page 6–11. 2. Set the oscilloscope on its left side with its front facing toward you. 3. Power up the oscilloscope and press SAVE/RECALL SETUP. 5–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...

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

    View from bottom of instrument Digitizing oscilloscope CH 2 termination Fast–rise step generator 10X adjustment 100X adjustment Output CH 1 Front of instrument Figure 5–3: Attenuator adjustment setup and locations 5–5 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 89 100%, Text/Grat to bright, and Waveform to bright. 6. Locate the brightness potentiometer (see Figure 5–4). Use an adjustment tool (Item 1) to raise the brightness until the background of the screen turns green. 5–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 90: Figure 5-4: Monitor Adjustments

    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 position until the display is horizontally centered on the screen. 5–7 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 91 Adjustment Procedures 5–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 93 8. Avoid handling modules in areas that have a floor or work-surface covering capable of generating a static charge. 9. Do not use high-velocity compressed air when cleaning dust from modules. 6–1 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 94 You should thoroughly check oscilloscopes that appear to have been dropped or otherwise abused to verify correct operation and performance. Immediately repair defects that could cause personal injury or lead to further damage to the oscilloscope. 6–2 TDS 340A, TDS 360 & TDS 380 Technical Reference...

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

    If you replace any electrical module, perform the adjustment procedures, beginning on page 5–1. CAUTION. To prevent damage from electrical arcing, ensure that circuit boards and components are dry before applying power to the oscilloscope. 6–3 TDS 340A, TDS 360 & TDS 380 Technical Reference...

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

    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) circulating air. 6–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 97 (page 6–11) 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. 6–5 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 98: Figure 6-1: Oscilloscope Orientation

    Nut driver, 3/16 inch Used for removing GPIB connector shell and EMI gasket Angle-tip tweezers Used for knob and shaft removal Slip-Jaw Pliers Used for removing the front feet from the cabinet 6–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 99 15 watt. Used for removal of some cables Solder Wick BNC Wrench Removing BNCs from the attenuator assembly. Tektronix 003-1463-00 BNC Fixture Installing BNCs on the attenuator assembly. Tektronix 003-1464-00 6–7 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 100: Figure 6-2: Line Cord Removal

    3. Next, grasp both the line cord and the retaining clamp and rotate them 90 degrees counter-clockwise. Unplug Rotate Pull Figure 6–2: Line cord removal 6–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 101: Figure 6-3: Line Fuse Removal

    (See Figure 6–3.) Power connector Fuse Fuse drawer Figure 6–3: Line fuse removal 6. Reinstallation: Do in reverse steps 5 through 2 to reinstall the line fuse and then the line cord. 6–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 102: Figure 6-4: Knob And Shaft Removal

    Push all the way in to seat the knob assembly. When reinstalling the knobs note there are two sizes. Be sure to reinstall the proper size knob in the proper location. Figure 6–4: Knob and shaft removal 6–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 103 Install the four screws at the rear panel before installing the single screw at the left side of the cabinet. 6–11 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 104: Figure 6-5: Rear Cover, Cabinet, And Cabinet Handle And Feet Removal

    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 6–12 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 105: Figure 6-6: Removing The Disk Drive

    3. To reinstall the disk drive, perform steps 2a-2f in reverse order. Remove T-15 Torx-drive screw (see text) Remove securing screws. Figure 6–6: Removing the disk drive 6–13 TDS 340A, TDS 360 & TDS 380 Technical Reference...

  • Page 106: Figure 6-7: Trim Ring, Menu Elastomer, And Menu Buttons Removal

    Repeat for the bottom edge of the trim ring. Tab lock Trim ring Menu buttons (17) Menu elastomer Figure 6–7: Trim ring, menu elastomer, and menu buttons removal 6–14 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 107 Using a wood spudger, push the EMI gasket until it is firmly seated at the bottom of the groove (see Figure 6–8). It should not overlap either flex lock. g. Repeat the process just described to install the remaining three gaskets. 6–15 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 108 5. Unplug the main board and menu flex-circuit cables from their jacks on the front panel assembly. 6. Finally, lift the front panel assembly out of the front of the main chassis to complete the removal. 6–16 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 109 11. Slide the circuit board out from the retainers found at the edge opposite the snap locks and lift it away from the rest of the assembly. 12. Hand disassemble the front-panel-assembly components using Figure 6–10 as a guide. Reverse the procedure to reassemble. 6–17 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 110 Reconnect the main board and menu flex-circuit cables to the back of the front panel assembly. c. Carefully reinsert the front-panel assembly into the main chassis left side first. 6–18 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 111 Flex the latches (3) downward to release board. Then, rotate the Ground spring Knobs and board and pull it down. shafts View A Rear of front panel Figure 6–10: Disassembly of front-panel assembly 6–19 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 112 Make sure that you lift and rock from the connector end of the board. Remove this screw Floppy interface board Unclip post from board Figure 6–11: Removing the floppy interface board 6–20 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 113 8. Lift the main board assembly away from the oscilloscope to complete its removal. Main Spacer post board Mounting screws (4) Floppy interface board Mounting screws (4) Long mounting screw Figure 6–12: Removing the main board 6–21 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 114 Otherwise, skip to step 14 to reinstall the main board assembly. Wrench Main board Attenuator hybrid Alignment tool Twist-lock tab Attenuator frame Attenuator shield Figure 6–13: BNC and hybrid removal 6–22 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 115 Pulling the cable prevents it from getting pinched between the main processor board and the metal standoff post. 6–23 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 116 Place it face down on a soft, nonabrasive surface to prevent scratching the face plate. 9. Reinstallation: perform steps 3 through 7 in reverse order to reinstall the monitor assembly. 6–24 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 117 Removal and Replacement Monitor assembly EMI clip Trim ring Monitor frame Mounting screws (6) Figure 6–14: Monitor assembly removal 6–25 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 118 8. Gently pull the power supply assembly up and out of the main chassis. 9. Reinstallation: Perform steps 2 through 8 in reverse order, reversing the removal instructions in each step to reinstall the assembly. 6–26 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 119 Removal and Replacement Figure 6–15: Low voltage power supply removal 6–27 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 120 8. Now remove the two screws on the rear panel that fasten the assembly to the chassis. 9. Pull the assembly towards the front of the instrument and up and out of the chassis. Carefully route the cables through their holes in the chassis. 6–28 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 121 Removal and Replacement Communications cable Power cable To option Communications Video cable cable board Cable clamp Chassis bottom Bottom of oscilloscope Figure 6–16: Option 14 assembly removal 6–29 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 122 Figure 6–17: Option 14 disassembly 11. Reinstallation: Perform steps 10 through 2 in reverse order. 12. Reinstallation: Perform steps 9 through 2 in reverse order. 6–30 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 123 Releasing the Fan Mount Lugs Left rear of scope Move fan mount inward and lift. Press flex locks. Retainer lugs (4) Figure 6–18: Fan and fan mount removal 6–31 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 124 Be sure to seat the fan mount so its two flex locks snap to secure it on the chassis. b. Perform in reverse order steps 2 and 3 to reinstall the fan. 6–32 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 125 2. Press the front panel button UTILITY. 3. Repeatedly press the main menu button System until Diag is highlighted in the pop-up menu. This calls up the diagnostics menu, shown in Figure 6–19. 6–33 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 126 7. If the onboard diagnostics indicate a failure, reenter the diagnostics menu and press the main menu button Error Log. NOTE. The RS232 Line Snapshot and RS232 Errors are reset at each power-on. For more RS-232 information, refer to the TDS 340A, TDS 360, & TDS 380 Programmer Manual. 6–34...
  • Page 127 3. Set the oscilloscope so its top side is down on the work surface and its front is facing you. 4. Remove cal jumper J609 from the main board (see Figure 6–21). Save the jumper. Reinstall the jumper after calibration to protect the calibration settings. 6–35 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 128 Begin with Figure 6–22. NOTE. Before performing the troubleshooting procedure, remove the instrument cabinet (see page 6–11). 6–36 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 129 (Figure 6–24). are pushed? Does Perform the Module Isolation the scope power troubleshooting procedure on and pass all the (Figure 6–23). diagnostics? Done. Figure 6–22: Primary troubleshooting procedure 6–37 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 130 Replace the Main board. still occur? Replace module. error? Run all the extended Done. diagnostics. Does the display Done. report any errors? Figure 6–23: Module isolation troubleshooting procedure 6–38 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 131 J30 replace the Front and J603 and is Front Panel Module Panel cable. the cable is ok. Replace the Main board. Figure 6–24: Front panel/processor troubleshooting procedure 6–39 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 132 1 of J2 a signal similar to on the LVPS Figure 6–28? module at 15 V? Replace the Low Voltage Power Supply Replace the Main module. board. Figure 6–25: Monitor troubleshooting procedure 6–40 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 133 Troubleshooting Figure 6–26: J901 pin 7 signal Figure 6–27: J901 pin 2 signal 6–41 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 134 Troubleshooting Figure 6–28: J901 pin 5 signal 6–42 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 135 Disconnect J1 from the secondary secondary LVPS module. Reconnect voltages ok? voltages ok? power. Replace the option module. Perform the Power Supply Overload troubleshooting procedure (Figure 6–31). Figure 6–29: Power supply troubleshooting procedure 6–43 TDS 340A, TDS 360 & TDS 380 Technical Reference...

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

    J3 to fan Top of instrument J4 to option 14 (if used) J2 to monitor Front of instrument J1 to main board Bottom of instrument Figure 6–30: Power supply connector locations 6–44 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 137 Replace the Option module. supply work? Disconnect J601 from the Main board. Does Replace the Option module. supply work? Replace the Main board. Figure 6–31: Power supply overload troubleshooting procedure 6–45 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 138 Replace the I/O Replace the Main on the external interface. monitor stable and board. legible? The I/O interface module is OK. Figure 6–32: Option 14 I/O interfaces troubleshooting procedure 6–46 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 139 If the channel has low bandwidth while meeting aberrations, install the smaller value inductors for L212 and L213 (see Electronics Parts List), recalibrate, and recheck bandwidth and aberrations. 6–47 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 140 Troubleshooting 6–48 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 141 170 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 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 144 Option 14: I/O Interfaces This option includes GPIB, RS-232, and Centronics interfaces, VGA video output, and power for the DPU 411 printer. It also includes the TDS 340A, TDS 360 & TDS 380 Programmer Manual. You can connect a remote display to the VGA 9-pin D connector on the rear panel.
  • Page 145 Options Options A1-A5: Besides the standard North American, 110 V, 60 Hz power cord, Tektronix ships International Power Cords any of five alternate power cord configurations with the oscilloscope when ordered by the customer (see Table 7–2). Table 7–2: International power cords...

  • Page 146: Td3F14A

    Options Standard Accessories The standard accessories listed in Table 7–4 come with the TDS 340A, TDS 360, and TDS 380. (Refer to Table 7–3 for manual part numbers.) Table 7–4: Standard accessories Accessory Reference User Manual U.S. Power Cord Probes (quantity two) P6109B 10X Passive (TDS 340A)
  • Page 147 Options Accessory Probes These are other types of probes you can use with the TDS 340A, TDS 360, and TDS 380. You can order the following probes separately: P6101B 1X Passive Probe P6129B Switchable 1X-10X Passive Probe (not recommended for the...
  • Page 149 Electrical Parts List This chapter contains a list of the replaceable parts for the TDS 340A, TDS 360, and TDS 380. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative.
  • Page 150 This section contains a list of the electrical components that are replaceable for the TDS 340A, TDS 360, and TDS 380. Use this list to identify and order replacement parts. The following table describes each column in the parts list.
  • Page 151 DANBORO, PA 18916 PO BOX 1000 50139 ALLEN–BRADLEY COMPANY INC ELECTRONIC COMPONENTS DIVISION EL PASO, TX 79936 1414 ALLEN BRADLEY DRIVE 50434 HEWLETT PACKARD 370 W TRIMBLE ROAD SAN JOSE, CA 95131–1008 8–3 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 152 FOREST GROVE, OR 97116 TK2598 MAXIM – ASICS 14150 SW KARL BRAUN DRIVE BEAVERTON, OR 97077 M/S 59–420 TK2601 MAXTEK COMPONENTS CORPORATION 13335 SW TERMAN RD BEAVERTON, OR 97075–1480 PO BOX 1480 8–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 153 A2R22 321–5026–00 RES,FXD:METAL FILM;4.75K OHM,1%,0.125W 91637 CRCW12064751FT A2R23 321–5026–00 RES,FXD:METAL FILM;4.75K OHM,1%,0.125W 91637 CRCW12064751FT A2U1 156–5071–01 IC,DIGITAL:HCTCMOS,TRANSCEIVER;OCTAL 18324 74HCT245DT A2U2 156–5191–01 IC,DIGITAL:FTTL,DEMUX/DECODER;DUAL 1–OF–4 04713 MC74F139DR2 A2U4 156–6031–00 IC,PROCESSOR:NMOS,PERIPHERAL;DUAL 04713 MC68681FN 8–5 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 154 CMF65–42 120OHM A3R6 313–1100–00 RES,FXD,FILM:100OHM,5%,0.2W 91637 CCF50–2–10R00J A3R7 313–1472–00 RES,FXD,FILM:47K OHM,5%,0.2W 91637 CCF50–2–47000J A3R8 313–1102–00 RES,FXD,FILM:1K OHM,5%,0.2W 91637 CCF50–2–10000J A3R9 313–1472–00 RES,FXD,FILM:47K OHM,5%,0.2W 91637 CCF50–2–47000J A3U1 156–3213–00 IC,LINEAR:BIPOLAR,SW–REGULATOR,2.5A 64155 LT1071CT 8–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 155 RES,FXD:THICK FILM,47.5 OHM,1%,0.125W 50139 BCD47R5FT A5U1 156–6492–00 IC,ASIC:CMOS,CUSTOM,LOGIC REPLACEMENT IC 27014 MM9351–VCE A5U2 156–5304–01 IC,DIGITAL:QUAD BUFFER, /OE, 3–STATE,74HCT125 01295 SN74HCT125DR A5U3 156–5051–01 IC,DIGITAL:FTTL,GATE,QUAD 2–INPUT NOR,74F02 01295 SN74F02DR A5U4 156–5952–00 IC,DIGITAL:DEMUX/DECODER 04713 MC74ACT139D 8–7 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 156 Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A5U5 156–5266–01 IC,MEMORY:CMOS,SRAM,32K X 8,100NS 62786 HM62256LFP–10T A5U6 156–7120–01 IC:CMOS,PERIPHERAL,FLOPPY DISK 27014 PC8477BV–1/FLOW A5Y1 119–1329–00 OSCILLATOR,RF:CRYSTAL CONTROLLED,24MHZ 14301 AE 404 8–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 157 A6CR334 152–5018–00 DIODE,SIG:ULTRA FAST,100V,0.74VF,4NS 27014 MMBD1203 A6CR335 152–5018–00 DIODE,SIG:ULTRA FAST,100V,0.74VF,4NS 27014 MMBD1203 A6CR336 152–5018–00 DIODE,SIG:ULTRA FAST,100V,0.74VF,4NS 27014 MMBD1203 A6CR337 152–5018–00 DIODE,SIG:ULTRA FAST,100V,0.74VF,4NS 27014 MMBD1203 A6CR338 152–5018–00 DIODE,SIG:ULTRA FAST,100V,0.74VF,4NS 27014 MMBD1203 8–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 158 50139 BCK1003FT A6R302 321–5047–00 RES,FXD:THICK FILM,100K OHM,1%,0.125W 50139 BCK1003FT A6R303 321–5047–00 RES,FXD:THICK FILM,100K OHM,1%,0.125W 50139 BCK1003FT A6R304 321–5047–00 RES,FXD:THICK FILM,100K OHM,1%,0.125W 50139 BCK1003FT A6R305 321–5047–00 RES,FXD:THICK FILM,100K OHM,1%,0.125W 50139 BCK1003FT 8–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 159 IC,DIGITAL:HCMOS,LATCH,8–BIT ADDRESSABLE 01295 SN74HC259DR A6U304 156–6135–01 IC,DIGITAL:HCMOS,DEMUX/DECODER 01295 SN74HC138DR A6U305 156–6135–01 IC,DIGITAL:HCMOS,DEMUX/DECODER 01295 SN74HC138DR A6U420 156–5050–01 IC,MISC:HCMOS,ANALOG MUX,8–CHANNEL,74HC4051 04713 MC74HC4051D A6U421 156–5050–01 IC,MISC:HCMOS,ANALOG MUX,8–CHANNEL,74HC4051 04713 MC74HC4051D A6Y140 119–4061–00 RESONATOR:2.4576MHZ,50VAC 20932 KBR–2.45MS 8–11 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 160 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d 671–3736–00 CIRCUIT BOARD:MAIN,TDS340 TK2597 671373600 A11AT205 165–2500–03 MICROCKT,HYBRID:1 MEG OHM ATTEN/PREAMP...
  • Page 161 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11C206 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V 04222 12063G105ZAT4A A11C207 283–5114–00 CAP,FXD,CERAMIC:MLC,0.1UF,10%,50V,X7R...
  • Page 162 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11C513 283–5068–00 CAP,FXD,CERAMIC:MLC,2200PF,10%,50V,X7R 04222 12065C222KAT1A A11C515 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V...
  • Page 163 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11C706 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V 04222 12063G105ZAT4A A11C707 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V...
  • Page 164 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11L204 108–5020–00 INDUCTOR,FXD:SIGNAL,270NH,5% 02113 1008CS–271XJB (A OR C) A11L205 108–5020–00...
  • Page 165 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11Q703 151–5000–00 TRANSISTOR:BIPOLAR,PNP,40V,200MA,250MHZ, AMP 04713 MMBT3906LT1 A11Q704 151–5000–00...
  • Page 166 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11R204 321–5018–00 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT A11R207 321–5005–00...
  • Page 167 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11R253 321–5165–00 RES,FXD,FILM:10K OHM,0.1%,0.125W 91637 TNPW1206–1002BT A11R254 321–5309–00 RES,FXD,FILM:8.25K OHM,+/–0.1%,0.125W...
  • Page 168 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11R375 321–5022–00 RES,FXD:THICK FILM,2.21K OHM,1%,0.125W 50139 BCK2211FT A11R376 321–5013–00...
  • Page 169 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11R422 321–5009–00 RES,FXD:THICK FILM,182 OHM,1%,0.125W 50139 BCK1820FT A11R423 321–5194–00...
  • Page 170 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11R558 321–5014–00 RES,FXD:THICK FILM,475 OHM,1%,0.125W 50139 BCK4750FT A11R559 321–5014–00...
  • Page 171 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11R702 321–5011–00 RES,FXD:THICK FILM,274 OHM,1%,0.125W 50139 BCK2740FT A11R703 321–5026–00...
  • Page 172 Electrical Parts List A11 (TDS 340A) Main Board replaceable electrical parts list (Cont.) Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d A11U404 156–5138–01 IC,LINEAR:BIFET,OP–AMP,DUAL 01295 TL072CDR A11U405 156–5297–01 IC,LINEAR:BIPOLAR,VOLTAGE REG,ADJ,SHUNT,100MA...
  • Page 173 12065C223KAT1A A12C203 283–5114–00 CAP,FXD,CERAMIC:0.1UF,10%,50V 04222 12065C104KAT (1A OR 3A) A12C204 283–5267–00 CAP,FXD,CERAMIC:1UF,+80%–20%,25V 04222 12063G105ZAT4A A12C205 283–5114–00 CAP,FXD,CERAMIC:0.1UF,10%,50V 04222 12065C104KAT (1A OR 3A) A12C206 283–5267–00 CAP,FXD,CERAMIC:1UF,+80%–20%,25V, (1A OR 3A) 04222 12063G105ZAT4A 8–25 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 174 A12C508 283–5114–00 CAP,FXD,CERAMIC:0.1UF,10%,50V,X7R (1A OR 3A) 04222 12065C104KAT (1A OR 3A) A12C509 283–5267–00 CAP,FXD,CERAMIC:1UF,+80%–20%,25V, (1A OR 3A) 04222 12063G105ZAT4A A12C511 283–5114–00 CAP,FXD,CERAMIC:0.1UF,10%,50V,X7R (1A OR 3A) 04222 12065C104KAT (1A OR 3A) 8–26 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 175 CAP,FXD,CERAMIC:1UF,+80%–20%,25V, (1A OR 3A) 04222 12063G105ZAT4A A12C702 283–5267–00 CAP,FXD,CERAMIC:1UF,+80%–20%,25V, (1A OR 3A) 04222 12063G105ZAT4A A12C703 283–5267–00 CAP,FXD,CERAMIC:1UF,+80%–20%,25V, (1A OR 3A) 04222 12063G105ZAT4A A12C704 283–5267–00 CAP,FXD,CERAMIC:1UF,+80%–20%,25V, (1A OR 3A) 04222 12063G105ZAT4A 8–27 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 176 CA ASSY,SP:FLAT FLEX,FLX,10,26 AWG,15.8 L,SLDR TK2469 174–2282–00 A12J702 174–2705–00 CA ASSY,SP:22 AWG,UL1430,300V TK2469 174–2705–00 A12J703 131–5472–00 CONN,HDR:PCB,MALE,STR,1 X 6,0.1 CTR,LATCHING 00779 104362–5 A12L203 108–5095–00 INDUCTOR,FXD:SIGNAL,27NH,10% TK2058 NL322522T–27M A12L204 108–5095–00 INDUCTOR,FXD:SIGNAL,27NH,10% TK2058 NL322522T–27M 8–28 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 177 TRANSISTOR,SIG:PNP,12V,80MA,SWITCHING 04713 MMBT3640LT1 A12Q701 151–5000–00 TRANSISTOR,SIG:PNP,40V,200MA,250MHZ,AMP 04713 MMBT3906LT1 A12Q702 151–5000–00 TRANSISTOR,SIG:PNP,40V,200MA,250MHZ,AMP 04713 MMBT3906LT1 A12Q703 151–5000–00 TRANSISTOR,SIG:PNP,40V,200MA,250MHZ,AMP 04713 MMBT3906LT1 A12Q704 151–5000–00 TRANSISTOR,SIG:PNP,40V,200MA,250MHZ,AMP 04713 MMBT3906LT1 A12R50 313–1390–00 RES,FXD,FILM:39 OHM,5%,0.2W 57668 TR20JE 39E 8–29 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 178 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT A12R207 321–5005–00 RES,FXD:THICK FILM,27.4 OHM,1%,0.125W 50139 BCD27R4JT A12R208 321–5305–00 RES,FXD,FILM:2K OHM,0.1%,25PPM,0.125W 91637 TNPW1206–2001BT A12R209 321–5113–00 RES,FXD:THICK FILM,75 OHM,1%,0.125W 56845 CRCW1206–75ROFT A12R210 321–5113–00 RES,FXD:THICK FILM,75 OHM,1%,0.125W 56845 CRCW1206–75ROFT 8–30 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 179 50139 BCD10R0FT A12R250 321–5305–00 RES,FXD,FILM:2K OHM,0.1%,25PPM,0.125W 91637 TNPW1206–2001BT A12R251 321–5241–00 RES,FXD,FILM:34.0K,0.1%,0.125W 91637 TNPW1206–3402–B– A12R252 321–5241–00 RES,FXD,FILM:34.0K,0.1%,0.125W 91637 TNPW1206–3402–B– A12R253 321–5165–00 RES,FXD,FILM:10K OHM,0.1%,0.125W 91637 TNPW1206–1002BT A12R254 321–5309–00 RES,FXD,FILM:8.25K OHM,+/–0.1%,0.125W 91637 TNPW12068251BT 8–31 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 180 CRCW–1206–49R–90 –FT A12R372 321–5011–00 RES,FXD:THICK FILM,274 OHM,1%,0.125W 50139 BCK2740FT A12R373 321–5014–00 RES,FXD:THICK FILM,475 OHM,1%,0.125W 50139 BCK4750FT A12R375 321–5022–00 RES,FXD:THICK FILM,2.21K OHM,1%,0.125W 50139 BCK2211FT A12R376 321–5013–00 RES,FXD:THICK FILM,392 OHM,1%,0.125W 50139 BCK3920FT 8–32 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 181 BCK1820FT A12R420 321–5006–00 RES,FXD:THICK FILM,100 OHM,1%,0.125W 50139 BCK1000FT A12R421 321–5006–00 RES,FXD:THICK FILM,100 OHM,1%,0.125W 50139 BCK1000FT A12R422 321–5009–00 RES,FXD:THICK FILM,182 OHM,1%,0.125W 50139 BCK1820FT A12R423 321–5194–00 RES,FXD:THICK FILM,49.9 OHM,1%,0.125W 91637 CRCW–1206–49R–90 –FT 8–33 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 182 50139 BCK4751FT A12R556 321–5005–00 RES,FXD:THICK FILM,27.4 OHM,1%,0.125W 50139 BCD27R4JT A12R557 321–5020–00 RES,FXD:THICK FILM,1.5K OHM,1%,0.125W 50139 BCK1501FT A12R558 321–5014–00 RES,FXD:THICK FILM,475 OHM,1%,0.125W 50139 BCK4750FT A12R559 321–5014–00 RES,FXD:THICK FILM,475 OHM,1%,0.125W 50139 BCK4750FT 8–34 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 183 50139 BCK2740FT A12R701 321–5011–00 RES,FXD:THICK FILM,274 OHM,1%,0.125W 50139 BCK2740FT A12R702 321–5011–00 RES,FXD:THICK FILM,274 OHM,1%,0.125W 50139 BCK2740FT A12R703 321–5026–00 RES,FXD:THICK FILM,4.75K OHM,1%,0.125W 50139 BCK4751FT A12R704 321–5030–00 RES,FXD:THICK FILM,10.0K OHM,1%,0.125W 50139 BCK1002FT 8–35 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 184 MM9350–VF8 A12U402 156–6795–01 IC,MEMORY:CMOS,SRAM,8K X 8,12NS TK2519 AS7C164–12JCTR A12U403 156–5589–00 IC,CONVERTER:TTL,A/D,8–BIT,25MSPS,FLASH 04713 MC10319DW A12U404 156–5138–01 IC,LINEAR:BIFET,OP–AMP,DUAL 01295 TL072CDR A12U405 156–5297–01 IC,LINEAR:VOLTAGE REGULATOR,ADJUSTABLE 01295 TL431CDR A12U510 156–5082–01 IC,LINEAR:OP–AMP,LOW OFFSET 01295 OP07CDR 8–36 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 185 152–5023–00 DIODE,ZENER:5.1V,5%,225MW 04713 MMBZ5231BLT1 A12Y401 158–0418–00 OSC,XTAL CONT:MINI DIP,TRISTATE,60.606 MHZ 61429 F3020 60.606 MHZ +/–0.01% A12Y402 158–5022–01 OSCILLATOR:40MHZ,0.01%,CMOS, OUTPUT ENABLE 0LUT2 TCO–711JTC 40.0MHZ A12Y701 158–5029–01 OSCILLATOR:50MHZ,0.01%,CMOS,SMD 0LUT2 TC0–711JTC 50. MHZ 8–37 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 186 283–5202–00 CAP,FXD,CERAMIC:MLC,0.022UF,10%,50V,X7R 04222 12065C223KAT1A A13C202 283–5202–00 CAP,FXD,CERAMIC:MLC,0.022UF,10%,50V,X7R 04222 12065C223KAT1A A13C203 283–5114–00 CAP,FXD,CERAMIC:MLC,0.1UF,10%,50V,X7R 04222 12065C104KAT (1A OR 3A) A13C204 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A A13C205 283–5114–00 CAP,FXD,CERAMIC:MLC,0.1UF,10%,50V,X7R 04222 12065C104KAT (1A OR 3A) 8–38 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 187 12065C104KAT (1A OR 3A) A13C508 283–5114–00 CAP,FXD,CERAMIC:MLC,0.1UF,10%,50V,X7R 04222 12065C104KAT (1A OR 3A) A13C509 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A A13C511 283–5114–00 CAP,FXD,CERAMIC:MLC,0.1UF,10%,50V,X7R 04222 12065C104KAT (1A OR 3A) A13C512 283–5068–00 CAP,FXD,CERAMIC:MLC,2200PF,10%,50V,X7R 04222 12065C222KAT1A 8–39 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 188 A13C610 283–5106–00 CAP,FXD,CERAMIC:MLC,470PF,5%,100V,NPO 04222 12061A471JAT1A A13C701 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A A13C702 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A A13C703 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A A13C704 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A A13C705 283–5267–00 CAP,FXD,CERAMIC:MLC,1UF,+80%–20%,25V,Y5V 04222 12063G105ZAT4A 8–40 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 189 TK2469 174–2282–00 A13J702 174–2705–00 CA ASSY,SP:DISCRETE,CPD,12,22 AWG TK2469 174–2705–00 A13J703 131–5472–00 CONN,HDR:PCB,MALE,STR,1 X 6,0.1 CTR,LATCHING 00779 104362–5 A13L208 108–5084–00 COIL,RF:FERRITE BEAD,52 OHM +/–25%@100MHZ TK2058 HF70ACB322513T A13L209 108–5129–00 INDUCTOR,FXD:POWER,10UH,10% TK2058 NLC453232T–100K 8–41 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 190 A13Q505 151–5001–00 TRANSISTOR,SIG:NPN,40V,200MA,300MHZ,AMP 04713 MMBT3904LT1 A13Q506 151–5001–00 TRANSISTOR,SIG:NPN,40V,200MA,300MHZ,AMP 04713 MMBT3904LT1 A13Q507 151–5001–00 TRANSISTOR,SIG:NPN,40V,200MA,300MHZ,AMP 04713 MMBT3904LT1 A13Q508 151–5001–00 TRANSISTOR,SIG:NPN,40V,200MA,300MHZ,AMP 04713 MMBT3904LT1 A13Q509 151–5058–00 TRANSISTOR,SIG:PNP,12V,80MA,SWITCHING 04713 MMBT3640LT1 A13Q510 151–5058–00 TRANSISTOR,SIG:PNP,12V,80MA,SWITCHING 04713 MMBT3640LT1 8–42 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 191 50139 BCK1000FT A13R201 321–5049–00 RES,FXD:THICK FILM,1M OHM,1%,0.125W 50139 BCA1004FT A13R202 321–5049–00 RES,FXD:THICK FILM,1M OHM,1%,0.125W 50139 BCA1004FT A13R203 321–5018–00 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT A13R204 321–5018–00 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT 8–43 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 192 RK73H1J10R0FT A13R247 321–5416–00 RES,FXD,FILM:10 OHM,1%,100V,62MW 59124 RK73H1J10R0FT A13R248 321–5416–00 RES,FXD,FILM:10 OHM,1%,100V,62MW 59124 RK73H1J10R0FT A13R249 321–5416–00 RES,FXD,FILM:10 OHM,1%,100V,62MW 59124 RK73H1J10R0FT A13R250 321–5305–00 RES,FXD,FILM:2K OHM,0.1%,25PPM,0.125W 91637 TNPW1206–2001BT A13R251 321–5241–00 RES,FXD,FILM:34.0K,0.1%,0.125W 91637 TNPW1206–3402–B– 8–44 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 193 50139 BCD27R4JT A13R321 321–5006–00 RES,FXD:THICK FILM,100 OHM,1%,0.125W 50139 BCK1000FT A13R324 321–5020–00 RES,FXD:THICK FILM,1.5K OHM,1%,0.125W 50139 BCK1501FT A13R325 321–5047–00 RES,FXD:THICK FILM,100K OHM,1%,0.125W 50139 BCK1003FT A13R327 321–5030–00 RES,FXD:THICK FILM,10.0K OHM,1%,0.125W 50139 BCK1002FT 8–45 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 194 50139 BCK2211FT A13R402 321–5023–00 RES,FXD:THICK FILM,2.74K OHM,1%,0.125W 50139 BCK2741FT A13R403 321–5030–00 RES,FXD:THICK FILM,10.0K OHM,1%,0.125W 50139 BCK1002FT A13R406 321–5011–00 RES,FXD:THICK FILM,274 OHM,1%,0.125W 50139 BCK2740FT A13R407 321–5011–00 RES,FXD:THICK FILM,274 OHM,1%,0.125W 50139 BCK2740FT 8–46 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 195 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT A13R525 321–5370–00 RES,FXD,FILM:0.25 OHM,10%,0.33W,TC=300PPM 57489 L1206MR250KBT A13R526 321–5370–00 RES,FXD,FILM:0.25 OHM,10%,0.33W,TC=300PPM 57489 L1206MR250KBT A13R527 321–5005–00 RES,FXD:THICK FILM,27.4 OHM,1%,0.125W 50139 BCD27R4JT A13R528 321–5030–00 RES,FXD:THICK FILM,10.0K OHM,1%,0.125W 50139 BCK1002FT 8–47 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 196 50139 BCK1001FT A13R614 321–5018–00 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT A13R636 307–5041–01 RES,NTWK FXD:FILM,(15),4.7K OHM,2%,0.08W 57924 4816P–002–472 A13R637 307–5041–01 RES,NTWK FXD:FILM,(15),4.7K OHM,2%,0.08W 57924 4816P–002–472 A13R638 321–5018–00 RES,FXD:THICK FILM,1.0K OHM,1%,0.125W 50139 BCK1001FT 8–48 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 197 A13U103 156–6891–01 IC,MISC:CMOS,VIDEO SUBSYSTEM 64762 EL4581CS(T&R) A13U104 156–5095–01 IC,LINEAR:OP–AMP,LOW NOISE,HIGH OUTPUT 01295 NE5534DR A13U105 156–5138–01 IC,LINEAR:BIFET,OP–AMP,DUAL 01295 TL072CDR A13U106 156–5000–01 IC,LINEAR:COMPARATOR,OPEN COLLECTOR 01295 LM311DR A13U109 156–5135–01 IC,DIGITAL:HCTCMOS,REGISTER,8–BIT SIPO 1CH66 74HCT164DT 8–49 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 198 01295 SN74F00DR A13U704 156–6484–01 IC,MEMORY:CMOS,DRAM,256K X 16,80NS 0JR04 TC514260BJL–80(EL) A13U706 156–6578–01 IC,MEMORY:CMOS,DRAM,512K X 8,70NS 0JR04 TC514800AJLL–70EL A13U708 156–5198–01 IC,DIGITAL:HCTCMOS,GATE,QUAD 2–INPUT XOR 1CH66 74HCT86DT A13U709 156–5853–01 IC,LINEAR:OP–AMP,35MHZ,UNITY GAIN STABLE 27014 LM6361MX 8–50 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 199 MMBZ5231BLT1 A13VR302 152–5023–00 DIODE,ZENER:5.1V,5%,225MW 04713 MMBZ5231BLT1 A13Y401 158–0418–00 OSC,XTAL:MINI DIP,TRISTATE,60.606 MHZ +/–0.01% 61429 F3020 60.606 MHZ A13Y402 158–5022–01 OSCILLATOR:40MHZ,0.01%,CMOS,OUTPUT ENABLE 0LUT2 TCO–711JTC 40.0MHZ A13Y701 158–5029–01 OSCILLATOR:50MHZ,0.01%,CMOS 0LUT2 TC0–711JTC 50. MHZ 8–51 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 200 A20 low voltage power supply replaceable electrical parts list Component Tektronix Serial No. Serial No. Name & Description Mfr. Code Mfr. Part Number Number Part Number Effective Discont’d 119–5029–02 POWER SUPPLY:IN90–280VAC,45–440HZ,100W TK2430 119–5029–02 8–52 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 201 CAP,FXD,CERAMIC:MCL;0.1UF,20%,50V,Z5U,0.170 04222 SA105E104MAA A26C390 281–0767–00 CAP,FXD,CERAMIC:MLC;330PF,20%,100V 04222 SA102C331MAA A26C410 283–0013–00 CAP,FXD,CER DI:0.01UF,–0+100%,1000V,DISC 59660 818–602ZSUO103P A26C411 283–0013–00 CAP,FXD,CER DI:0.01UF,–0+100%,1000V,DISC 59660 818–602ZSUO103P A26C420 285–1189–00 CAP,FXD,MTLZD:0.1 UF,5%,100 V 05292 PMT 3R .1J 100 8–53 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 202 COIL,RF:,INDUCTOR;FXD,4.5UH,10%,38 AWG 0JR03 108–0231–00 A26L291 108–0509–00 COIL,RF:FIXED,2.45UH +/–10%,AXIAL LEAD,CORE 0JR03 ORDER BY DESC A26L310 114–0471–00 COIL,RF:VAR 12 – 50 UH,W/LITZ WIRE,DCR 0.1 50783 932–8897–01 A26L400 108–2000–00 COIL,LINEARITY:FXD,NOM 13.O UH,8UH–50UH 50783 933884401 8–54 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 203 322–3427–00 RES,FXD:METAL FILM;274K OHM,1%,0.2W 91637 CCF501G2743FT A26R350 313–1161–00 RES,FXD,FILM:160 OHM,5%,0.2W 91637 CCF50–2–160R0J A26R351 313–1272–00 RES,FXD,FILM:2.7K OHM,5%,0.2W 91637 CCF50–2–27000J A26R352 313–1152–00 RES,FXD,FILM:1.5K OHM,5%,0.2W 91637 CCF50–2–15000J A26R353 313–1472–00 RES,FXD,FILM:4.7K OHM,5%,0.2W 91637 CCF50–2–47000J 8–55 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 204 A26R453 311–2266–00 RES,VAR,NONWW:TRMR,100K OHM,20%,0.5W TK2073 GF06VT2 104 M L A26R460 313–1123–00 RES,FXD,FILM:12K OHM,5%,0.2W 91637 CCF50–2–12001J A26R461 313–1103–00 RES,FXD,FILM:10K OHM,5%,0.2W 91637 CCF50–2–10001J A26R462 311–2267–00 RES,VAR,NONWW:TRMR,50K OHM,20%,0.5W TK2073 GF06VT2 503 M L 8–56 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 205 A4369 A26T210 120–1936–00 TRANSFORMER,RF:FLYBACK,12KV 80009 120193600 A26U130 156–4327–00 IC,LINEAR:BIPOLAR,VOLT REG;POSI,12.0V,1.5A,1% 64155 LT1086CT–12 A26U340 156–4618–00 IC,MISC:BIPOLAR,VIDEO SUBSYSTEM;VERT DEF 669588 TDA1175 A26U370 156–1147–00 IC,MISC:BIPOLAR,VIDEO SUBSYSTEM;HORIZPROC 04713 MC1391P A26VR390 152–0279–00 DIODE,ZENER:5.1V,5%,0.4W 04713 1N751ARL 8–57 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 206 Electrical Parts List 8–58 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 208 Diagram Number Another Diagram, Assembly Number Same Board Other standards used in the preparation of diagrams by Tektronix, Inc., include the Diagram Name following: Tektronix Standard 062-2476 Symbols and Practices for Schematic Drafting Component Locator Diagrams ANSI Y14.159-1971 Interconnection Diagrams...
  • Page 209 Figure 9–1: 9–2 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 210 OPTION BOARD BLOCK DIAGRAM TDS 340A/360/380...
  • Page 212 OPTION BUS AND GPIB TDS 340A/360/380...
  • Page 214 ROM, PRINTER AND RS–232 TDS 340A/360/380...
  • Page 215 NUMBER NUMBER LOCATION NUMBER LOCATION A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 A3–1 Figure 9–2: A3 Printer Power board (option 14) 9–8 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 216 PRINTER POWER TDS 340A/360/380 OPTION 14...
  • Page 217 SCHEM NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION Figure 9–3: A5 Floppy Interface board 9–10 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 218 FLOPPY INTERFACE TDS 340A/360/380...
  • Page 219 R331 R108 R332 CR333 R107 U101 CR334 R333 C101 CR338 CR336 R335 DS202 R202 CR335 CR337 R334 Y140 R106 C501 C140 R140 C141 CR500 Figure 9–4: A6 Front Panel board (front) 9–12 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 220 S303 S304 S305 S306 S308 S307 S311 S314 S316 S315 S313 S312 S319 S320 S302 S310 S309 S301 S321 S318 S324 S317 S323 E502 Figure 9–5: A6 Front Panel board (back) 9–13 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 221 R204 R334 R467 S314* U420 C408 CR336 R205 R335 R468 S315* U421 C409 CR337 R206 R336 R469 S316* Y140 C420 CR338 R207 R337 R501 Figure 9–6: A6 Front Panel component locator 9–14 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 222 TDS 340A/360/380...
  • Page 224 FPP POTS TDS 340A/360/380...
  • Page 226 LEDS & DRIVER TDS 340A/360/380...
  • Page 228 SWITCHES TDS 340A/360/380...
  • Page 229 R418 R393 R225 C205 C508 R521 U202 C522 C581 TP302 R223 R220 R372 R424 R425 R417 R504 R503 R502 R565 R222 R224 CR543 R566 R215 R221 C512 R218 R219 Figure 9–7: 9–22 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 230 Installed Not installed U603 R653 Installed Not installed Q704 Q703 R637 Q701 Q702 R602 U702 U704 U605 U607 U703 R647 R653 R636 J701 J602 J601 C703 TP602 J702 J703 Figure 9–8: 9–23 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 231 A1–0 R421 A1–4 C509 A1–5 J606 A1–6 R123 A1–1 R307 A1–0 R422 A1–4 C511 A1–5 J607 A1–6 R124 A1–1 R308 A1–0 Figure 9–9: A11, A12 component locator (TDS 340A, TDS 360) 9–24 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 232 U101 A1–1 R556 A1–5 R651 A1–6 U102A A1–1 U520A A1–5 Y701 A1–7 R557 A1–5 R652 A1–6 U102B A1–1 U520B A1–5 Figure 9–10: A11, A12 component locator (TDS 340A, TDS 360) (cont.) 9–25 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 233 9–26 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 234 ROOT SHEET A11, A12 TDS 340A/360...
  • Page 236 TDS 340A TRIGGERS A11, A12 TDS 340A/360...
  • Page 238 ATTENUATORS A11, A12 TDS 340A/360 TDS 340A TDS 340A...
  • Page 240 TRIGGER LOGIC AND TIME INTERPOLATOR A11, A12 TDS 340A/360...
  • Page 242 TIME BASE CONTROLLER A11, A12 TDS 340A/360...
  • Page 244 SAMPLER A11, A12 TDS 340A/360...
  • Page 246 TDS 340A A11, A12 TDS 340A/360...
  • Page 248 DISPLAY A11, A12 TDS 340A/360...
  • Page 249 R503 R565 R502 R222 R224 Q264 Q259 Q263 CR543 R566 R221 R215 C512 R572 R218 R219 R542 R261 R262 R266 R265 Figure 9–11: A13 Main board (TDS 380) (section A, B) 9–42 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 250 R637 R602 Q704 Q703 Q702 U702 U704 U605 U607 U703 R647 R653 R636 TP601 J601 J701 C703 TP602 J702 J703 J602 Figure 9–12: A13 Main board (TDS 380) (section C, D) 9–43 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 251 R119 R256 R402 R572 U101 Y401 R120 R259 R403 R573 U102 Y402 C508 J602 C509 J603 R123 R260 R406 R582 U102 Y701 C511 Figure 9–13: A13 Main component locator (TDS 380) 9–44 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 252 MAIN BOARD 671–3753–00 389–2154–00 MAIN BLOCK DIAGRAM TDS 380...
  • Page 254 TRIGGERS TDS 380...
  • Page 256 ATTENUATORS TDS 380...
  • Page 258 TRIGGER LOGIC AND TIME INTERPOLATOR TDS 380...
  • Page 260 TIMEBASE TDS 380...
  • Page 262 SAMPLER TDS 380...
  • Page 264 TDS 380...
  • Page 266 DISPLAY TDS 380...
  • Page 267 Figure 9–14: 9–60 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 268 Figure 9–15: A26 Monitor component locator 9–61 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 269 9–62 TDS 340A, TDS 360, TDS 380 Technical Reference...
  • Page 270 MONITOR BLOCK DIAGRAM TDS 340A/360/380...
  • Page 272 INPUTS/VIDEO AND VERTICAL DEFLECTION A26 TDS 340A/360/380...
  • Page 275 Mechanical Parts List This chapter contains a list of the replaceable modules for the TDS 340A, TDS 360, and TDS 380. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative.
  • Page 276 Using the Replaceable Parts List This section contains a list of the mechanical and/or electrical components that are replaceable for the TDS 340A, TDS 360, and TDS 380. Use this list to identify and order replacement parts. The following table describes each column in the parts list.
  • Page 277 NORTHWEST FOURSLIDE INC 18500 SW TETON AVENUE TUALATIN, OR 97062 TK1908 PLASTIC MOLDED PRODUCT INC 4336 S ADAMS TACOMA, WA 98409 TK1918 SHIN–ETSU POLYMER 34135 7TH ST UNION CITY, CA 94587 10–3 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 278 14500 S BROADWAY GARDENA, CA 90248 TK2193 PHOTO & SOUND COMPANY 824 NW 18TH AVE PORTLAND, OR 97209–2390 TK2500 SOLECTEK ACCESSORIES CORP 6370 NANCY RIDGE DRIVE SAN DIEGO, CA 92121 UNIT 109 10–4 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 279 Figures 10–1 and 10–2 on the following pages show the module-level exploded views of the TDS 340A, TDS 360, and TDS 380 oscilloscope. The adjacent page is the list of components for that exploded view, indexed by the numbers in the figure.
  • Page 280 Mechanical Parts List Figure 10–1: Cabinet and front panel assembly 10–6 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 281 ORDER BY DESCR –28 211–0730–00 SCR,ASSEM WSHR:6–32 X 0.375,PNH,STL,CDPL,T–15 TORX 0KB01 ORDER BY DESCR –29 211–0866–00 SCREW PHIL M2.5X10 PHIL PNH BRZN 0KB01 211–0866–00 105–1081–00 ADAPTER:FLOPPY DISK DRIVE BRACKET ADAPTER TK1163 105–1081–00 10–7 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 282 Mechanical Parts List Figure 10–2: CRT, power supply, and circuit boards 10–8 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 283 CIRCUIT BD ASSY:MAIN BD,TDS 380 80009 671–3753–00 –22 441–2072–00 CHASSIS ASSY 80009 441–2072–00 –23 344–0513–00 SHIELD, GASKET:EMI CLIP,0.4L, 0.1W,0.074H,SST 80009 344–0513–00 –24 210–0457–00 NUT,PL,ASSEM WA:6–32 X 0.312,STL CD PL 0KB01 ORDER BY DESCR 10–9 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 284 ACCY PKG:(2) P6111B PASSIVE PROBES W/ACCY ORDER BY DESC (TDS360 ONLY) –––––––– ACCY PKG:(2) P6114B PASSIVE PROBES W/ACCY ORDER BY DESC (TDS380 ONLY) 070–9459–00 MANUAL,TECH:USER ENGLISH TK2548 070945900 070–8690–01 MANUAL,TECH:USER,XYZ OF OSCILLOSCOPE TK2548 070869001 10–10 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 285 80009 016116600 063–1702–03 TDS 300 SERIES I/O INTERFACES UPGRADE KIT (OPT 14) 80009 063170203 070–9442–00 MANUAL,TECH:PROGRAMMER 80009 070944200 070–9435–00 MANUAL,TECH:SERVICE 80009 070943500 200–3232–00 COVER,FRONT:ABS ORDER BY DESC (SEE FIGURE 10–1–19) 10–11 TDS 340A, TDS 360 & TDS 380 Technical Reference...
  • Page 286 Mechanical Parts List 10–12 TDS 340A, TDS 360 & TDS 380 Technical Reference...

This manual is also suitable for:

Tds 360Tds 380

Table of Contents