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Manual Tektronix VITS100

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  • Tektronix VITS100 - page 1

    Instruction Manual VITS100 NTSC VITS Inserter 070-8333-02 W arning The servicing instructions are for use by qualified personnel only . T o avoid personal injury , do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to performing service. ...

  • Tektronix VITS100 - page 2

    Copyright © T ektronix, Inc. All rights reserved. T ektronix 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. T ektronix, Inc., P .O. Box 1000, W ilsonville, OR 97070? ...

  • Tektronix VITS100 - page 3

    W ARRANTY T ektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If a product proves defective during this warranty period, T ektronix, at its option, either will repair the defective product without charge for parts and labo ...

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    Service Assurance If you have not already purchased Service Assurance for this product, you may do so at any time during the product’ s warranty period. Service Assurance provides Repair Protection and Calibration Services to meet your needs. Repair Protection extends priority repair services beyond the product’ s warranty period; you may purch ...

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    VITS 100 NTSC VITS Inserter Instruction Manual i T able of Contents General Safety Summary vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service Safety Summary ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Getting Started VITS Inserter Functions 1–1 . . . . . . . . . . . . . . . . . . . ...

  • Tektronix VITS100 - page 8

    T able of Contents ii VITS 100 NTSC VITS Inserter Instruction Manual Cleaning and Inspection 7–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal and Replacement Instructions 7–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostics 7–1 1 . . . . . . . . . . . . . . . . . . ...

  • Tektronix VITS100 - page 9

    T able of Contents VITS 100 NTSC VITS Inserter Instruction Manual iii List of Figures Figure 1–1: A setup for the functional check 1–3 . . . . . . . . . . . . . . . . . . . . Figure 1–2: A typical installation 1–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2–1: The front panel 2–1 . . . . . . . . . . . . . . . . ...

  • Tektronix VITS100 - page 10

    T able of Contents iv VITS 100 NTSC VITS Inserter Instruction Manual Figure 5–9: Connecting the RF bridge to the spectrum analyzer/tracking generator 5–18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 5–10: The initial frequency response setup 5–20 . . . . . . . . . . . . . . . . Figure 5–1 1: Frequency r esponse di ...

  • Tektronix VITS100 - page 11

    T able of Contents VITS 100 NTSC VITS Inserter Instruction Manual v List of T ables T able 1–1: Factory VITS, Standard and Option 1M 1–4 . . . . . . . . . . . . . T able 1–2: Factory VITS, Option 1J 1–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . T able 1–3: Factory VITS, Option 2 1–4 . . . . . . . . . . . . . . . . . . . . . ...

  • Tektronix VITS100 - page 12

    T able of Contents vi VITS 100 NTSC VITS Inserter Instruction Manual T able 7–1: Mode Selection Jumpers 7–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . T able 7–2: T est Jumpers 7–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T able 7–3: The User Diagnostics 7–12 . . . . . . . . . . . . . . . . . ...

  • Tektronix VITS100 - page 13

    VITS 100 NTSC VITS Inserter Instruction Manual vii General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. T o avoid potential hazards, use this product only as specified. Only qualified personnel should perform service pr ocedur es. Use Proper Power Cord. Us ...

  • Tektronix VITS100 - page 14

    General Safety Summary viii VITS 100 NTSC VITS Inserter Instruction Manual W ARNING. W arning statements identify conditions or practices that could r esult in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could r esult in damage to this pr oduct or other pr operty . T erms on the Product. These terms may ...

  • Tektronix VITS100 - page 15

    VITS 100 NTSC VITS Inserter Instruction Manual ix Service Safety Summary Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or adjustments of this product unless another person capa ...

  • Tektronix VITS100 - page 16

    Service Safety Summary x VITS 100 NTSC VITS Inserter Instruction Manual ...

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    Getting Started ...

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    VITS 100 NTSC VITS Inserter Instruction Manual 1–1 Getting Started The T ektronix VITS 100 NTSC VITS Inserter is a high quality signal generator designed to insert VITS (V ertical Interval T est Signals) into program video. It automatically switches to bypass mode in the event of power failure or loss of lock to the program video. See VITS Insert ...

  • Tektronix VITS100 - page 20

    Getting Started 1–2 VITS 100 NTSC VITS Inserter Instruction Manual The VITS inserter can also insert a one-line source identification code on any of the available lines in vertical blanking. The T ektronix VM 700A V ideo Measure- ment Set can then use this code to identify the source of the signal it is measur- ing. Another function of the VITS i ...

  • Tektronix VITS100 - page 21

    Getting Started VITS 100 NTSC VITS Inserter Instruction Manual 1–3 Functional Check and Installation It is good practice to perform a functional check of a new instrument before installing it into your system. Perform the following functional check to confirm proper operation of your new VITS inserter and to familiarize yourself with its features ...

  • Tektronix VITS100 - page 22

    Getting Started 1–4 VITS 100 NTSC VITS Inserter Instruction Manual 7. While watching the waveform monitor display , repeatedly press the VITS inserter BYP ASS switch to alternate between bypass and normal operating modes. Confirm that the appearance of the vertical interval (that is, the “gap” between the two visible fields) changes in appear ...

  • Tektronix VITS100 - page 23

    Getting Started VITS 100 NTSC VITS Inserter Instruction Manual 1–5 Y ou can mount the VITS inserter in a standard equipment rack or custom install it. In custom installations, be sure to provide easy access to the signal-selection DIP switches through the removeable panel in the top of the instrument. Also be sure not to block the cooling holes i ...

  • Tektronix VITS100 - page 24

    Getting Started 1–6 VITS 100 NTSC VITS Inserter Instruction Manual ...

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    Operating Basics ...

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    VITS 100 NTSC VITS Inserter Instruction Manual 2–1 Operating Basics The VITS 100 NTSC VITS Inserter can generate any one of thirteen test signals for insertion on lines 17 through 20 in the vertical interval of the video frame. If power fails or the instrument cannot genlock, the VITS inserter automatically switches to bypass mode. VITS signal se ...

  • Tektronix VITS100 - page 28

    Operating Basics 2–2 VITS 100 NTSC VITS Inserter Instruction Manual Rear Panel The VITS 100 NTSC VITS Inserter rear panel, shown in Figure 2–2, contains the mains power input, switch, and fuse; the program input and output connectors; DIP switches for source identification code selection; and a remote connector . Figure 2–2: VITS 100 NTSC VIT ...

  • Tektronix VITS100 - page 29

    Operating Basics VITS 100 NTSC VITS Inserter Instruction Manual 2–3 The PROGRAM OUT connector is the program video output. Output video can have user-selected VITS inserted on selected lines. If the instrument cannot lock to the program input video signal, or if power fails, the program automatically bypasses the VITS inserter processing circuitr ...

  • Tektronix VITS100 - page 30

    Operating Basics 2–4 VITS 100 NTSC VITS Inserter Instruction Manual In addition to internally generated test signals, the VITS inserter can pass video signals that are already in the vertical interval of the program video. This includes the delete/insert lines, which are lines 17 through 20 in all fields. When AUTO VIRS is selected, the instrumen ...

  • Tektronix VITS100 - page 31

    Operating Basics VITS 100 NTSC VITS Inserter Instruction Manual 2–5 The VITS 100 NTSC VITS Inserter is configured during manufacture to insert the signals listed in T able 2–1. See VITS Selection , below , for instructions on configuring the VITS inserter to insert the signals that best suit your applications and facility . T able 2–1: Standa ...

  • Tektronix VITS100 - page 32

    Operating Basics 2–6 VITS 100 NTSC VITS Inserter Instruction Manual Screws (2) Cover Figure 2–4: Location of VITS selection switches Switches S1 and S2 make the selections for fields 1 and 3, and switches S3 and S4 make the selections for fields 2 and 4. Each DIP switch selects the test signals for two of the vertical interval lines, as shown i ...

  • Tektronix VITS100 - page 33

    Operating Basics VITS 100 NTSC VITS Inserter Instruction Manual 2–7 The switch settings for signal selection are listed in T able 2–2. When a switch segment is thrown to the left (as viewed from the front of the VITS inserter), it is open; when thrown to the right, it is closed. Open positions are denoted in the table as 1, and closed are denot ...

  • Tektronix VITS100 - page 34

    Operating Basics 2–8 VITS 100 NTSC VITS Inserter Instruction Manual Remote Control Remote control in the standard VITS 100 NTSC VITS Inserter is limited to ground-closure Bypass control and (+5 V) outputs for remote BYP ASS, UNLOCKED, and POWER indicator lights. See Figure 2–6 and T able 2–3 for the rear-panel REMOTE connector pin assignments ...

  • Tektronix VITS100 - page 35

    Specifications ...

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    VITS 100 NTSC VITS Inserter Instruction Manual 3–1 Specifications This section contains tables that list the specifications for the VITS 100 NTSC VITS Inserter . All specifications are guaranteed unless noted “typical.” The performance limits in this specification are valid with these conditions: H The VITS inserter must have been calibrated/ ...

  • Tektronix VITS100 - page 38

    Specifications 3–2 VITS 100 NTSC VITS Inserter Instruction Manual T able 3–1: Program channel characteristics (Cont.) Characteristic Information Phase Matching of Inserted T est Signal to Program Video ± 1 ° (Program Sync and Burst Normal Level) Pulse to Bar Ratio 100% ± 0.5% (T ypically within ± 0.25%) Signal to Noise Ratio >70 dB (Unwe ...

  • Tektronix VITS100 - page 39

    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–3 T able 3–4: FCC Composite characteristics Characteristic Information Timing See Figure 3–5 Modulated 5-step Staircase Luminance Amplitude 80.4 IRE ± 0.7 IRE Riser Amplitude 1/5 of 5-step amplitude ± 0.5% Rise Time 250 ns ± 25 ns Chrominance Phase Same as burst ± 0.3 ° Enve ...

  • Tektronix VITS100 - page 40

    Specifications 3–4 VITS 100 NTSC VITS Inserter Instruction Manual T able 3–5: FCC Color Bars characteristics Characteristic Information Timing See Figure 3–4 Luminance Rise Time 250 ns ± 25 ns Bar Characteristics: White Y ellow Cyan Green Magenta Red Blue Black Luminance Amplitude (mV p-p) 714.3 494.3 400.7 345.7 256.0 202.1 107.8 53.5 Subca ...

  • Tektronix VITS100 - page 41

    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–5 T able 3–8: NTC7 Combination characteristics Characteristic Information Timing See Figure 3–8 White Reference Bar Amplitude 100 IRE ± 0.7 IRE Rise Time 250 ns ± 25 ns Multiburst Packets Amplitude 50 IRE ± 0.5 IRE p-p Average Level 50 IRE ± 0.5 IRE Frequencies 500 kHz, 1.0 M ...

  • Tektronix VITS100 - page 42

    Specifications 3–6 VITS 100 NTSC VITS Inserter Instruction Manual T able 3–9: NTC7 Composite characteristics Characteristic Information Timing See Figure 3–9 Modulated 5-step Staircase Luminance Amplitude 90.2 IRE ± 0.7 IRE Riser Amplitude 1/5 of 5-step amplitude ± 0.5% Rise Time 250 ns ± 25 ns Chrominance Phase Same as burst ± 0.3 ° Env ...

  • Tektronix VITS100 - page 43

    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–7 T able 3–1 1: SIN X/X characteristics Characteristic Information Timing See Figure 3–1 1 Bandwidth 4.75 MHz Pedestal 24 IRE Peak 90 IRE (Peak amplitude from pedestal ) T able 3–12: V ertical Interval Reference Signal characteristics Characteristic Information Timing See Figur ...

  • Tektronix VITS100 - page 44

    Specifications 3–8 VITS 100 NTSC VITS Inserter Instruction Manual T able 3–14: Cable Sweep (Option 2) characteristics Characteristic Information Timing See Figure 3–14 Pedestal Amplitude 50 IRE Sweep Amplitude 100 IRE Sweep Start Frequency 0.1 MHz Sweep End Frequency 4.2 MHz T able 3–15: Genlock characteristics Characteristic Information Bu ...

  • Tektronix VITS100 - page 45

    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–9 T able 3–16: Power Supply characteristics Characteristic Information Output V oltages +5 V ± 200 mV from 1A to 3 A (voltage adjustable) –5.2 V ± 300 mV from 0.5 A to 1 A ± 12 V ± 120 mV from 0.05 A to 0.2 A (post regulated from ± 14.5 V by linear regulators) Output Ripple ...

  • Tektronix VITS100 - page 46

    Specifications 3–10 VITS 100 NTSC VITS Inserter Instruction Manual T able 3–18: Environmental characteristics Characteristic Information T emperature Non-Operating –40 ° to +65 ° C (–40 ° to +149 ° F) Operating 0 ° to +50 ° C (32 ° to 122 ° F) Altitude Non-Operating T o 50,000 ft (15,240 m) Operating T o 15,000 ft (4,572 m) Vibratio ...

  • Tektronix VITS100 - page 47

    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–1 1 T able 3–19: Certifications and compliances Category Standards or description EC Declaration of Conformity – EMC Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility . Compliance was demonstrated to the following specifications as listed in the Official Jour ...

  • Tektronix VITS100 - page 48

    Specifications 3–12 VITS 100 NTSC VITS Inserter Instruction Manual T able 3–19: Certifications and compliances (Cont.) Category Standards or description Additional Compliance IEC61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use. Safety Certification Compliance T emperature, operating +5 to +40 _ C ...

  • Tektronix VITS100 - page 49

    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–13 Figure 3–2: 7.5% Black Figure 3–3: 50% Gray ...

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    Specifications 3–14 VITS 100 NTSC VITS Inserter Instruction Manual Figure 3–4: FCC Color Bars Figure 3–5: FCC Composite ...

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    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–15 Figure 3–6: Multiburst Figure 3–7: Multipulse ...

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    Specifications 3–16 VITS 100 NTSC VITS Inserter Instruction Manual Figure 3–8: NTC7 Combination Figure 3–9: NTC7 Composite ...

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    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–17 Figure 3–10: Red Field Figure 3–1 1: SIN X/X ...

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    Specifications 3–18 VITS 100 NTSC VITS Inserter Instruction Manual Figure 3–12: VIRS Figure 3–13: Cable Multiburst ...

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    Specifications VITS 100 NTSC VITS Inserter Instruction Manual 3–19 Figure 3–14: Cable Sweep ...

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    Specifications 3–20 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 57

    The following servicing instructions are for use only by qualified personnel. T o avoid injury , do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so. Refer to all Safety Summaries before performing any service. W ARNING ...

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    Theory of Operation ...

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  • Tektronix VITS100 - page 61

    VITS 100 NTSC VITS Inserter Instruction Manual 4–1 Theory of Operation This section of the manual begins with a functional description of the circuitry . This brief discussion is followed by a more detailed set of circuit descriptions that take you to the individual component level of the schematic diagrams. Functional Description Program In. The ...

  • Tektronix VITS100 - page 62

    Theory of Operation 4–2 VITS 100 NTSC VITS Inserter Instruction Manual The power inductor is driven by switching the voltage to its primary winding on and off at a rate of approximately 45 kHz. The power inductor is used as an energy storage device. Ener gy is stored in the primary during the first half of the switching cycle. On the second half ...

  • Tektronix VITS100 - page 63

    Theory of Operation VITS 100 NTSC VITS Inserter Instruction Manual 4–3 samples. The outputs of U4 and U5 are multiplexed by U82 and U83 to increase the data rate from 4 FSC to 8 FSC . The outputs of U82 and U83 are latched by U1 before being converted to ECL levels. U9 and U10 are the level converters for the DAC, U65, which is located on Diagram ...

  • Tektronix VITS100 - page 64

    Theory of Operation 4–4 VITS 100 NTSC VITS Inserter Instruction Manual The Input Buffer , U42, also drives the genlock analog-to-digital converter (ADC), U43. The ADC also has AGC and is clamped with “synctip” and “backporch” signals, which provide the timing. The clamped and AGC’d video is then routed through an anti-aliasing filter (L ...

  • Tektronix VITS100 - page 65

    Theory of Operation VITS 100 NTSC VITS Inserter Instruction Manual 4–5 The circuitry that controls signal switching appears on three of the schematic diagrams in the Diagrams section of this manual. Key circuitry is located on diagrams 1 (T est Signal Memory), 2 (T est Signal Select), and 5 (Program Input, Sync Stripper , VIRS Detection, & Ge ...

  • Tektronix VITS100 - page 66

    Theory of Operation 4–6 VITS 100 NTSC VITS Inserter Instruction Manual Diagram 1. U12 and U15 form a state machine to generate the data for shaped pulse edges. When U15 sees a low-to-high transition, it counts up to six and stops. When U15 sees a high-to-low transition it counts back to zero and stops. This count goes to U12, where it is decoded ...

  • Tektronix VITS100 - page 67

    Theory of Operation VITS 100 NTSC VITS Inserter Instruction Manual 4–7 R T1is a thermistor that limits inrush current on power-up. R V1 is metal-oxide- varistor that clips any high voltage spikes on the AC line before they get to the switching circuits. DS4 is part of a relaxation oscillator that blinks when the instrument is powered up. L17 and ...

  • Tektronix VITS100 - page 68

    Theory of Operation 4–8 VITS 100 NTSC VITS Inserter Instruction Manual Current In primary Current In secondaries V oltage across primary V oltage across +5 V secondary V oltage across -5 V secondary Output diodes on Output diodes off Q16 on Q16 off V IN +12V –12V –5V +5V +V –V –5.6V +5.6V 0V 0V +15V –15V C1 10 V IN Housekeeping winding ...

  • Tektronix VITS100 - page 69

    Theory of Operation VITS 100 NTSC VITS Inserter Instruction Manual 4–9 The Pulse W idth Modulator , U78, is a current-mode controller . Using inputs from the primary circuit and the +5 V output, it varies the width of the pulse that controls Q16. This pulse width variation regulates the secondary voltages throughout variations in the input voltag ...

  • Tektronix VITS100 - page 70

    Theory of Operation 4–10 VITS 100 NTSC VITS Inserter Instruction Manual These requirements are met by using a FET , Q17, in the emitter circuit to turn Q16 on and off. The modulated pulse from U78 gates Q17. When Q17 turns on, base current flows in Q16 through R149 and CR22 (which turns on) and current flows in the primary winding of T1, completi ...

  • Tektronix VITS100 - page 71

    Performance V erification ...

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  • Tektronix VITS100 - page 73

    VITS 100 NTSC VITS Inserter Instruction Manual 5–1 Performance V erification This section contains procedures for verifying that the VITS 100 NTSC VITS Inserter performs according to the characteristics stated in the Specifications section of this manual . If the VITS inserter fails to meet a performance requirement, consult the Adjustment Pr oce ...

  • Tektronix VITS100 - page 74

    Performance V erification 5–2 VITS 100 NTSC VITS Inserter Instruction Manual Equipment Required T able 5–1 lists the test equipment recommended for Performance V erification. Alternate equipment must meet the minimum requirements for the listed equipment. Use of inadequate test equipment may result in faulty measurements and invalid results. T ...

  • Tektronix VITS100 - page 75

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–3 T able 5–1: Equipment Required (Cont.) Item Example Requirements 75 W Feed-Through T erminator BNC-type, accuracy of 0.2%. T ektronix part number 01 1-0103-02 BNC Adaptor Female-to-female T ektronix part number 103-0028-00 75 W BNC Cables (five) 42 in coaxial cables, m ...

  • Tektronix VITS100 - page 76

    Performance V erification 5–4 VITS 100 NTSC VITS Inserter Instruction Manual 2. Select the NTC 7 Composite signal from the television test signal generator . 3. Store the bar and the line time portions of the NTC 7 composite signal as a video measurement set reference signal. 4. Store the C–L gain + delay portions of the NTC 7 composite signal ...

  • Tektronix VITS100 - page 77

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–5 NOTE . The settings of S1-S2-S3-S4 dictate the signals, lines, and fields for the VITS insertion pr ogram. Because the instrument may contain a r equired operating pr ogram, it is essential that the switches be r eset to the original settings when this pr ocedur e is com ...

  • Tektronix VITS100 - page 78

    Performance V erification 5–6 VITS 100 NTSC VITS Inserter Instruction Manual Requirement: Stable VITS inserter operation over an AC input range of 90–250 V H V ary the autotransformer between 90 and 125 V ac (210 and 250 V ac for “220 volt” sources) and verify stable instrument operation. Requirements: DC offset + 0V " 10 mV Insertion ...

  • Tektronix VITS100 - page 79

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–7 IRE Blanking level Figure 5–3: Blanking level at 0 IRE 6. Move the 75ĂW coaxial cable from the VITS inserter PROGRAM OUT to the MONITOR OUT . 7. Repeat steps 3, 4, and 5. 8. Move the 75 W coaxial cable from the VITS inserter MONITOR OUT to PROGRAM OUT . 9. Use the wav ...

  • Tektronix VITS100 - page 80

    Performance V erification 5–8 VITS 100 NTSC VITS Inserter Instruction Manual W aveform/ V ector Monitor TSG/SPG 75 ĂW T erminator Subcarrier Out EXT CW REF Ext Ref 75 ĂW T erminator Black burst V ITS I n ser t er Program In Program Out 75 ĂW T erminator Linearity Out Figure 5–4: Equipment connections for phase matching 2. Connect a 75ĂW coa ...

  • Tektronix VITS100 - page 81

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–9 Requirement: Phase error + 0 ° " 1 ° at F SC . 1. T urn off waveform/vector monitor line select. 2. Set the burst vector to the outer circle and 0 ° on the vectorscope. Use the phase control to null the burst on the waveform CR T . 3. Press the BYP ASS switch on ...

  • Tektronix VITS100 - page 82

    Performance V erification 5–10 VITS 100 NTSC VITS Inserter Instruction Manual 5. Select the NTC 7 Composite test signal from the television test signal generator . 6. Select Relative to Ref Bar & Line T ime on the video measurement set. 7. Check that the bar amplitude is 100 IRE  1% (1RE). 8. Check that the bar tilt is  0.5%. 9. Move th ...

  • Tektronix VITS100 - page 83

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–1 1 Requirements: Differential gain v 0.2% Differential phase v 0.2 _ 1. Select Relative to Ref Diff Phase + Gain on the video measurement set. 2. Check that the differential gain is v 0.2%. 3. Check that the differential phase is v 0.2 _ . 4. Move the coaxial cable from t ...

  • Tektronix VITS100 - page 84

    Performance V erification 5–12 VITS 100 NTSC VITS Inserter Instruction Manual 3. Remove the BNC female-to-female adaptor and connect the coaxial cable from the video measurement set CH A to the VITS inserter PROGRAM OUT . See Figure 5–7. VITS Inserter T elevision test signal generator Video measurement set T est Signal 75 ĂW T erminator Progra ...

  • Tektronix VITS100 - page 85

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–13 Requirement: SCH phase + 0 _ " 5 _ . 1. Select the video measurement set SCH Phase measurement. 2. Check that the SCH phase is 0 _ " 5 _ . 3. Select line 18, any field, on the video measurement set. 4. Check that the SCH phase is 0 _ " 5 _ . Requirement: ...

  • Tektronix VITS100 - page 86

    Performance V erification 5–14 VITS 100 NTSC VITS Inserter Instruction Manual Noise generator VITS Inserter T elevision test signal generator Video measurement set T est Signal 75 ĂW T erminator Program Out Program In Figure 5–8: Measuring hum rejection 6. Select W aveform on the video measurement set. 7. Check that hum is present on the porch ...

  • Tektronix VITS100 - page 87

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–15 Requirement: Chrominance risetime + 300 ns " 35 ns 1. T urn on the waveform/vector monitor vertical magnifier . 2. Position the signal blanking level to the graticule 0 IRE line. 3. Use the waveform/vector monitor vertical variable gain to place the top of color bu ...

  • Tektronix VITS100 - page 88

    Performance V erification 5–16 VITS 100 NTSC VITS Inserter Instruction Manual 8. Set the VITS inserter VITS Selection DIP switches S2 and S4 for the red field signal; segments 1, 3, and 4 are open and segment 2 is closed (101 1). 9. Set the waveform/vector monitor for Ext Ref + CW . 10. Select DIFF PHASE. 11 . Set the red vector to the outer circ ...

  • Tektronix VITS100 - page 89

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–17 30. Change the coaxial cable from the TSG/SPG color bar output to the black burst output. 31. Measure burst amplitude. It should measure about 40 IRE. 32. Use the TSG/SPG variable burst control to reduce burst amplitude to 28 IRE (–3 dB). 33. Set the red vector to the ...

  • Tektronix VITS100 - page 90

    Performance V erification 5–18 VITS 100 NTSC VITS Inserter Instruction Manual Requirements: Return loss  36 dB to 5 MHz. Spurious signals  55 dB down NOTE . Successful completion of the Return Loss checks guarantees that the input and output impedances ar e within specification. 1. Connect a 50 W coaxial cable from the spectrum analyzer RF ...

  • Tektronix VITS100 - page 91

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–19 10. Adjust the spectrum analyzer external attenuation amplitude by the amount noted in step 9. 11 . Connect the precision high-frequency terminator to the Device Under T est connector on the RF Bridge. 12. Check that the frequency response from 0 MHz to 5 MHz is  40 ...

  • Tektronix VITS100 - page 92

    Performance V erification 5–20 VITS 100 NTSC VITS Inserter Instruction Manual 27. Connect a 50 W -to-75 W minimum loss attenuator to the spectrum analyzer RF Input. 28. Connect a 75 W coaxial cable from the 50 W -to-75 W minimum loss attenuator to the VITS inserter PROGRAM OUT . 29. Connect a 75 W coaxial cable from the television test signal gen ...

  • Tektronix VITS100 - page 93

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–21 2. Set the TSG/SPG Multiburst output as shown in T able 5–4. T able 5–4: Multiburst Controls Control Setting Frequency Range High Markers On Composite On Amplitude Full Sweep On 3. Connect 75 W coax from detector head output to peak-to-peak detector + input. 4. Enab ...

  • Tektronix VITS100 - page 94

    Performance V erification 5–22 VITS 100 NTSC VITS Inserter Instruction Manual 9. Connect the coaxial cable from the TSG/SPG multiburst output to the VITS inserter PROGRAM IN. See Figure 5–12. VITS Inserter TSG/SPG T est oscilloscope Peak-to-peak detector Multiburst Out Program In Program Out Peak-to-peak detector head OUTPUT INPUT Figure 5–12 ...

  • Tektronix VITS100 - page 95

    Performance V erification VITS 100 NTSC VITS Inserter Instruction Manual 5–23 3. Set the waveform/vector monitor line select to line 19, all fields. 4. Check for VIRS. If there is a signal other than VIRS, you will need to either reprogram the TSG/SPG VITS signals or find a VIRS signal on another line. VIRS is required on both fields. 5. Set VITS ...

  • Tektronix VITS100 - page 96

    Performance V erification 5–24 VITS 100 NTSC VITS Inserter Instruction Manual 5. Check that the VIRS signal disappears and the VITS inserter front-panel BYP ASS light comes on. 6. Remove the grounding wire. 7. Check that the VIRS signal reappears and the VITS inserter front-panel BYP ASS light goes out. ...

  • Tektronix VITS100 - page 97

    Adjustment Procedure ...

  • Tektronix VITS100 - page 98

    ...

  • Tektronix VITS100 - page 99

    VITS 100 NTSC VITS Inserter Instruction Manual 6–1 Adjustment Procedures If VITS 100 NTSC VITS Inserter performance is not within tolerance for a particular characteristic, determine the cause, repair if necessary , and then use the appropriate adjustment procedure to return the instrument operation to perfor- mance specification. After any adjus ...

  • Tektronix VITS100 - page 100

    Adjustment Procedures 6–2 VITS 100 NTSC VITS Inserter Instruction Manual T able 6–1: Recommended T est Equipment Item Minimum Requirements Example V ariable Autotransformer V ariable range of 90 to 120 V AC (220 V AC operation use 220 V ac autotransformer) General Radio metered auto transformer: W10MT3W . W aveform/V ector Monitor Combination w ...

  • Tektronix VITS100 - page 101

    Adjustment Procedures VITS 100 NTSC VITS Inserter Instruction Manual 6–3 W ith the exception of the video signal connection, this step is the starting point for any adjustment. H Disconnect power and remove the cabinet. See the Maintenance section of this manual for instructions. H Connect the VITS inserter AC power cord to the variable autotrans ...

  • Tektronix VITS100 - page 102

    Adjustment Procedures 6–4 VITS 100 NTSC VITS Inserter Instruction Manual TP3 J17 J19 J18 J20 S8 S7 S4 S3 S2 S1 TP9 GND J56 J57 J6 J5 J54 J28 TP7 GND J9 J22 J33 J32 L12 L13 L14 J2 J3 J4 C165 L1 J12 J13 J55 TP10 GND R122 TS GAIN R210 SIN X/X R127 DC ADJ R170 +5 VOL TS ADJUST R171 CURRENT LIMIT R33 PROGRAM GAIN R40 HORIZ OSC R30 DC ADJ TP1 1 CLK TP4 ...

  • Tektronix VITS100 - page 103

    Adjustment Procedures VITS 100 NTSC VITS Inserter Instruction Manual 6–5 Use this step to adjust the +5 V Adjust, R170, which serves as the reference for all other power supplies in the VITS inserter . NOTE . This adjustment affects all adjustments in the VITS inserter . Ther efor e, if the +5 V supply is within tolerance, do not r eset R170 unle ...

  • Tektronix VITS100 - page 104

    Adjustment Procedures 6–6 VITS 100 NTSC VITS Inserter Instruction Manual T elevision T est Signal Generator VITS Inserter W aveform/Vector Monitor T est Signal Program In Program Out CH A input 75 W T erminator Figure 6–2: A setup for genlock adjustments 6. Connect a 75 W coaxial cable from the television test signal generator output to the VIT ...

  • Tektronix VITS100 - page 105

    Adjustment Procedures VITS 100 NTSC VITS Inserter Instruction Manual 6–7 Program color fields 1 and 3 Program color fields 2 and 4 Line 18 Line 17 Line 20 Line 19 Line 18 Line 17 Line 20 Line 19 S1 S2 S3 S4 Figure 6–3: VITS selection DIP switches 12. Change the coaxial cable from the VITS inserter MONITOR OUT to the PROGRAM OUT . 13. Set the wa ...

  • Tektronix VITS100 - page 106

    Adjustment Procedures 6–8 VITS 100 NTSC VITS Inserter Instruction Manual T elevision T est Signal Generator W aveform/Vector Monitor T est Signal CH A input 75 W T erminator BNC Adaptor Figure 6–4: Equipment connections for gain adjustments 2. Select the NTC7 Composite signal from the generator . 3. Set the waveform/vector monitor waveform gain ...

  • Tektronix VITS100 - page 107

    Adjustment Procedures VITS 100 NTSC VITS Inserter Instruction Manual 6–9 7. Set VITS selection DIP S1, segments 1 through 4, to 0001 (segments 1, 2, and 3 closed and segment 4 open). See Figure 6–3 for the location of S1. 8. Set the waveform/vector monitor for line select and select line 17, all fields. 9. Set the waveform/vector monitor wavefo ...

  • Tektronix VITS100 - page 108

    Adjustment Procedures 6–10 VITS 100 NTSC VITS Inserter Instruction Manual TSG/SPG T est oscilloscope Peak-to-peak detector OUTPUT INTPUT BNC Adaptor Peak-to-peak detector head Multiburst Out Figure 6–6: Peak-to-peak detector connections 8. Set the TSG/SPG Multiburst output as shown in T able 6–3. T able 6–3: TSG/SPG Multiburst Settings Cont ...

  • Tektronix VITS100 - page 109

    Adjustment Procedures VITS 100 NTSC VITS Inserter Instruction Manual 6–1 1 100 90 10 0% Figure 6–7: Display for adjusting flatness 14. Remove the female to-female BNC adapter . 15. Connect the 75 W coaxial cable from the TSG/SPG multiburst output to the VITS inserter PROGRAM IN as shown in Figure 6–8. VITS Inserter TSG/SPG T est oscilloscope ...

  • Tektronix VITS100 - page 110

    Adjustment Procedures 6–12 VITS 100 NTSC VITS Inserter Instruction Manual 17. Adjust R210 and C165 for a display on the T est Oscilloscope that matches the sweep envelope to the previous waveform ± 4.3 mV from 2 MHz to 6 MHz (second marker to fourth marker) and ± 12.9 mV from 6 MHz to 10 MHz (fourth marker to sixth marker). See Figure 6–7. 18 ...

  • Tektronix VITS100 - page 111

    Maintenance ...

  • Tektronix VITS100 - page 112

    ...

  • Tektronix VITS100 - page 113

    VITS 100 NTSC VITS Inserter Instruction Manual 7–1 Maintenance This section discusses the following topics related to maintaining and servicing the VITS 100 NTSC VITS Inserter: H Service Strategy (below) H T ektronix Service Offerings (below) H Preparation (page 7–2) H Static Sensitive Components (page 7–2) H Circuit Board Jumpers (page 7–4 ...

  • Tektronix VITS100 - page 114

    Maintenance 7–2 VITS 100 NTSC VITS Inserter Instruction Manual warranty service at most T ektronix service locations. Do not service the VITS 100 NTSC VITS Inserter yourself during the warranty period; rather , contact your nearest T ektronix representative, field office, or service center for information and instructions. T ektronix offers singl ...

  • Tektronix VITS100 - page 115

    Maintenance VITS 100 NTSC VITS Inserter Instruction Manual 7–3 3. Discharge the static voltage from your body by wearing a wrist grounding strap when handling static-sensitive components. Always service assemblies that contain static-sensitive components at static-free work stations. 4. Remove any device capable of generating or holding a static ...

  • Tektronix VITS100 - page 116

    Maintenance 7–4 VITS 100 NTSC VITS Inserter Instruction Manual Circuit Board Jumpers There are 3 plug jumpers for mode selection and 14 test jumpers for use during repair or troubleshooting on the VITS 100 NTSC VITS Inserter circuit board. See Figure 7–1 for plug jumper locations and T ables 7–1 and 7–2 for their functions. In all cases, pi ...

  • Tektronix VITS100 - page 117

    Maintenance VITS 100 NTSC VITS Inserter Instruction Manual 7–5 All installation procedures that do not require removing the protective cover of the VITS inserter are discussed in the Getting Started section of this manual. The VITS 100 NTSC VITS Inserter does have some additional flexibility , however , that is provided with the internal plug jum ...

  • Tektronix VITS100 - page 118

    Maintenance 7–6 VITS 100 NTSC VITS Inserter Instruction Manual T able 7–2: T est Jumpers Function Jumper # Description Factory Setting Genlock Processor Reset J5 Pins 1–2: Reset controlled by hardware watchdog. Pins 2–3: Holds processor in reset mode. No Plug: No hardware resets. 1–2 Hardware W atchdog Reset J6 Pins 1–2: No Reset. Pins ...

  • Tektronix VITS100 - page 119

    Maintenance VITS 100 NTSC VITS Inserter Instruction Manual 7–7 T able 7–2: T est Jumpers (Cont.) Function Factory Setting Description Jumper # V Sync J56 Pins 1–2: Used by VITS 200. Pins 2–3: VITS 100. 2–3 Blanking J57 Pins 1–2: Used by VITS 200. Pins 2–3: VITS 100. 2–3 Cleaning and Inspection Preventive maintenance consists of clea ...

  • Tektronix VITS100 - page 120

    Maintenance 7–8 VITS 100 NTSC VITS Inserter Instruction Manual Removal and Replacement Instructions Use the following procedures to remove and replace the top cover , front panel, inserter circuit board assembly , and oscillator oven. This procedure requires a #1 phillips screwdriver . W ARNING. T o avoid possible electrical shock, disconnect the ...

  • Tektronix VITS100 - page 121

    Maintenance VITS 100 NTSC VITS Inserter Instruction Manual 7–9 3. Install the instrument top cover . This procedure requires a #1 phillips screwdriver and a 9 / 16 inch box end wrench. Removal. Use the following procedure to remove the inserter circuit board assembly; see Figure 7–2 for the location of the various components and fasteners. 1. R ...

  • Tektronix VITS100 - page 122

    Maintenance 7–10 VITS 100 NTSC VITS Inserter Instruction Manual BNC Hex nuts (3) J27 Power supply shield Line filter screws (2) Mounting screw Mounting screw Mounting screw Mounting screw Mounting screw Mounting screw Mounting screw Figure 7–2: Mounting hardware for the inserter circuit board This procedure requires a #2 POZIDRIV ® screwdriver ...

  • Tektronix VITS100 - page 123

    Maintenance VITS 100 NTSC VITS Inserter Instruction Manual 7–1 1 3. Remove the screw and hex nut that attach the power transistor to the outside of the metal oven. 4. Remove the oven from the Inserter board by carefully pulling the oven off the seven square pins that attach it to the Inserter board. 5. Remove the screw attaching the metal cover t ...

  • Tektronix VITS100 - page 124

    Maintenance 7–12 VITS 100 NTSC VITS Inserter Instruction Manual Figure 7–3: Diagnostics switch, S8 T o run a user diagnostic (including those run at power up), set S8 to the position for the desired diagnostic and then cycle the power off and on. The processor then runs through the power up process, polls the diagnostic port, and runs the selec ...

  • Tektronix VITS100 - page 125

    Maintenance VITS 100 NTSC VITS Inserter Instruction Manual 7–13 T able 7–3: The User Diagnostics (Cont.) Diagnostic Switch (S8) Setting T est Result Indication Description T est 4 CTC T est Sets up the Counter Timer Chip (CTC, A1U30), and checks to see that the timers can generate inter- rupts. Each of the four CTC sections should interrupt aft ...

  • Tektronix VITS100 - page 126

    Maintenance 7–14 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 127

    Replaceable Electrical Parts ...

  • Tektronix VITS100 - page 128

    ...

  • Tektronix VITS100 - page 129

    VITS 100 NTSC VITS Inserter Instruction Manual 8–1 Replaceable Electrical Parts This section contains a list of the electrical components for the VITS 100 NTSC VITS Inserter . Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local T ektronix field office or representati ...

  • Tektronix VITS100 - page 130

    Replaceable Electrical Parts 8–2 VITS 100 NTSC VITS Inserter Instruction Manual Parts List Column Descriptions Column Column Name Description 1 Component Number The component number appears on diagrams and circuit board illustrations, located in the diagrams section. Assembly numbers are clearly marked on each diagram and circuit board illustrati ...

  • Tektronix VITS100 - page 131

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–3 Manufacturers Cross Index, Electrical Parts Mfr . Code Manufacturer Address City , State, Zip Code 00213 NYTRONICS COMPONENTS GROUP INC SUBSIDIAR Y OF NYTRONICS INC ORANGE ST DARLINGTON SC 29532 00779 AMP INC 2800 FULLING MILL PO BOX 3608 HARRISBURG P A 17105 01295 TE ...

  • Tektronix VITS100 - page 132

    Replaceable Electrical Parts 8–4 VITS 100 NTSC VITS Inserter Instruction Manual Manufacturers Cross Index, Electrical Parts (Cont.) Mfr . Code City , State, Zip Code Address Manufacturer 18796 MURA T A ELECTRONICS NORTH AMERICA INC. ST A TE COLLEGE OPERA TIONS 1900 W COLLEGE A VE ST A TE COLLEGE P A 16801–2723 19701 PHILIPS COMPONENTS DISCRETE ...

  • Tektronix VITS100 - page 133

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–5 Manufacturers Cross Index, Electrical Parts (Cont.) Mfr . Code City , State, Zip Code Address Manufacturer 5Y400 TRIAX MET AL PRODUCTS INC DIV OF BEA VERTON P ARTS MFG CO 1800 NW 216TH A VE HILLSBORO OR 97124–6629 61429 FOX ELECTRONICS DIV OF FOX ELECTRONICS INC 584 ...

  • Tektronix VITS100 - page 134

    Replaceable Electrical Parts 8–6 VITS 100 NTSC VITS Inserter Instruction Manual Manufacturers Cross Index, Electrical Parts (Cont.) Mfr . Code City , State, Zip Code Address Manufacturer TK1989 GASKET SPECIAL TIES 4968 NE 122ND A VE PORTLAND OR 97220 TK2058 TDK CORPORA TION OF AMERICA 1600 FEEHANVILLE DRV MOUNT PROSPECT , IL 60056 TK2073 TOKYO AM ...

  • Tektronix VITS100 - page 135

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–7 Replaceable Electrical Parts List Component Number T ektronix Part Number Serial No. Effective Serial No. Discont’d Name & Description Mfr . Code Mfr . Part Number (BEGIN ST ANDARD ONL Y) A1 671–2132–01 B010100 B0101 12 CIRCUIT BD ASSY :INSER TER 80009 67121 ...

  • Tektronix VITS100 - page 136

    Replaceable Electrical Parts 8–8 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1C1 281–0775–01 CAP ,FXD,CER:MCL;0.1UF ,20%,50V ,Z5U,0.170 04222 SA105E104MAA A1C2 28 ...

  • Tektronix VITS100 - page 137

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–9 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1C57 281–0775–01 CAP ,FXD,CER:MCL;0.1UF ,20%,50V ,Z5U,0.170 04222 SA105E104MAA A1C58 ...

  • Tektronix VITS100 - page 138

    Replaceable Electrical Parts 8–10 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1C107 283–0177–00 CAP ,FXD,CER DI:1UF ,+80–20%,25V 04222 SR303E105ZAA A1C108 283? ...

  • Tektronix VITS100 - page 139

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–1 1 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1C157 281–0775–01 CAP ,FXD,CER:MCL;0.1UF ,20%,50V ,Z5U,0.170 04222 SA105E104MAA A1C ...

  • Tektronix VITS100 - page 140

    Replaceable Electrical Parts 8–12 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1CR14 152–0884–00 DIODE,RECT :SCHTKY ;35V ,16A,150A IFSM,630MVF 04713 MBR1635 *A TT ...

  • Tektronix VITS100 - page 141

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–13 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1J9 131–0608–00 CONN,TERMINAL:PRESSFIT/PCB;MALE,STR,0.025SQ,0.248 MLG X 0.137 T AIL, ...

  • Tektronix VITS100 - page 142

    Replaceable Electrical Parts 8–14 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1J51 131–0608–00 CONN,TERMINAL:PRESSFIT/PCB;MALE,STR,0.025SQ,0.248 MLG X 0.137 T AIL ...

  • Tektronix VITS100 - page 143

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–15 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1P19 131–0993–02 BUS,CONDUCTOR:SHUNT ASSEMBL Y ,RED 00779 1–850100–O A1P20 131? ...

  • Tektronix VITS100 - page 144

    Replaceable Electrical Parts 8–16 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1R6 307–0446–00 RES NTWK,FXD,FI:10K OHM,20%,(9)RES 11236 750–101–R10K A1R7 307? ...

  • Tektronix VITS100 - page 145

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–17 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1R53 322–3193–00 RES,FXD:MET AL FILM;1K OHM,1%,0.2W ,TC=100 PPM 91637 CCF501G10000F ...

  • Tektronix VITS100 - page 146

    Replaceable Electrical Parts 8–18 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1R108 322–3085–07 RES,FXD:MET AL FILM;75 OHM,0.1%,0.2W ,TC=25 PPM 91637 CCF502–C75 ...

  • Tektronix VITS100 - page 147

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–19 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1R158 322–3235–00 RES,FXD:MET AL FILM;2.74K OHM,1%,0.2W ,TC=100 91637 CCF501G27400F ...

  • Tektronix VITS100 - page 148

    Replaceable Electrical Parts 8–20 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1R227 322–3001–00 RES,FXD:MET AL FILM;10 OHM,1%,0.2W ,TC=100 PPM 91637 CCF501G10R00F ...

  • Tektronix VITS100 - page 149

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–21 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1TP7 214–4085–00 TERM,TEST POINT :0.070 ID,0.220 H,0.063 DIAP CB,0.015 X 0.032 BRASS ...

  • Tektronix VITS100 - page 150

    Replaceable Electrical Parts 8–22 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number 136–1038–00 SOCKET ,DIP:PCB;STR,28 POS,2 X 14,0.1X 0.3CTR,0.185 H X 0.130 T AIL,TIN,B ...

  • Tektronix VITS100 - page 151

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–23 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1U13 160–8606–02 B020295 IC,MEM:CMOS,EPROM;64K X 16,150NS,OTP ,27C210,PLCC44 (ST AND ...

  • Tektronix VITS100 - page 152

    Replaceable Electrical Parts 8–24 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number A1U21 156–0470–02 IC,DIGIT AL:LSTTL,MUX/ENCODER 01295 SN74LS251N A1U22 156–2141–0 ...

  • Tektronix VITS100 - page 153

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–25 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number *END MOUNTING PAR TS* A1U29 156–61 17–00 IC,ASIC:CMOS,CUST OM;Z80 GENLOCK IC,ADG236 6 ...

  • Tektronix VITS100 - page 154

    Replaceable Electrical Parts 8–26 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number *END MOUNTING PAR TS* A1U40 156–1998–00 B010100 B010229 IC,DIGIT AL:ALSTTL,FLIP FLOP; ...

  • Tektronix VITS100 - page 155

    Replaceable Electrical Parts VITS 100 NTSC VITS Inserter Instruction Manual 8–27 Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number *MOUNTING PAR TS* 136–0728–00 SKT ,PL–IN ELEK:MICROCKT ,14 CONTACT 09922 DILB14P– ...

  • Tektronix VITS100 - page 156

    Replaceable Electrical Parts 8–28 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Electrical Parts List (Cont.) Component Number Mfr . Part Number Mfr . Code Name & Description Serial No. Discont’d Serial No. Effective T ektronix Part Number 136–0925–00 B010230 SOCKET ,DIP:PCB;24 POS,2 X 12,0.1 X 0.3 CTR,0.196 H X 0.130 T AIL ...

  • Tektronix VITS100 - page 157

    Diagrams ...

  • Tektronix VITS100 - page 158

    ...

  • Tektronix VITS100 - page 159

    VITS 100 NTSC VITS Inserter Instruction Manual 9–1     #     "  !$   ? ...

  • Tektronix VITS100 - page 160

    9–2 VITS 100 NTSC VITS Inserter Instruction Manual C1 5 D5 A1 F5 C2 5 E4 A1 C6 C3 5 A1 A1 B5 C4 5 C2 A1 C4 C5 5 F2 A1 D5 C6 5 E2 A1 D5 C7 5 E2 A1 D5 C8 5 E2 A1 D5 C9 5 F2 A1 E5 C10 5 E2 A1 E5 C1 1 5 D1 A1 D5 C12 5 D1 A1 E5 C13 5 B2 A1 C5 C14 5 D4 A1 G5 C16 5 D4 A1 F4 C17 5 D5 A1 E4 C18 5 D5 A1 E4 C19 5 F5 A1 E4 C20 5 F5 A1 E4 C21 5 F5 A1 E4 C22 5 ...

  • Tektronix VITS100 - page 161

    VITS 100 NTSC VITS Inserter Instruction Manual 9–3 R31 5 B2 A1 C5 R32 5 B1 A1 B5 R33 5 B1 A1 B4 R34 5 C1 A1 B5 R35 5 C1 A1 C4 R36 5 C1 A1 B5 R37 5 C4 A1 F4 R38 5 C4 A1 C4 R39 5 D1 A1 C4 R40 5 D2 A1 D4 R41 5 D2 A1 D4 R42 5 D2 A1 D4 R43 5 D2 A1 D5 R44 5 E2 A1 C5 R45 5 F2 A1 D5 R46 5 F2 A1 D5 R47 5 F1 A1 D6 R48 5 G2 A1 D6 R49 5 F3 A1 D6 R50 5 G2 A1 ...

  • Tektronix VITS100 - page 162

    9–4 VITS 100 NTSC VITS Inserter Instruction Manual     #     "  !$   ? ...

  • Tektronix VITS100 - page 163

    VITS 100 NTSC VITS Inserter Instruction Manual 9–5 20 22 20 22 +5V 11 22 ETSD[0..11] ETSD[0..11] TSD0 1A 2 1Y 4 1B 3 2A 5 2Y 7 2B 6 3A 11 3Y 9 3B 10 4A 14 4Y 12 4B 13 A/B 1 G 15 U7 74F157 D0 3 Q0 2 D1 4 Q1 5 D2 7 Q2 6 D3 8 Q3 9 D4 13 Q4 12 D5 14 Q5 15 D6 17 Q6 16 D7 18 Q7 19 OC 1 CLK U3 74F374 H0 A1 9 A2 8 A3 7 A4 6 A5 5 A6 4 A7 3 A8 2 A9 1 A10 2 ...

  • Tektronix VITS100 - page 164

    9–6 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 165

    VITS 100 NTSC VITS Inserter Instruction Manual 9–7 1L[0..3] 2L[0..3] TEST SIGNAL SELECT 1L0 1L1 1L2 1L3 2L0 2L1 +5V 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 S1 1 23456789 1 0 R6 10k U26-2 U26-5 U24-7 U70-19 3 VL0 3L[0..3] 4L[0..3] 5L[0..3] 6L[0..3] 7L[0..3] 8L[0..3] 1L0 2L0 3L0 4L0 5L0 6L0 7L0 8L0 FPTS0 VL0 D0 4 D1 3 D2 2 D3 1 D4 15 D5 14 D6 13 D7 ...

  • Tektronix VITS100 - page 166

    9–8 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 167

    VITS 100 NTSC VITS Inserter Instruction Manual 9–9 SYNCTIME BLKCLK (BLANK) 1 - 2 FRONT P ANEL SELECTION ENABLED NO PLUG VITS ON LINES 17 THROUGH 30 2 - 3 VITS ON LINES 10 THROUGH 21 1 VLATCH IDCLOCK 0 IO9 CURSOR (CHARPRES) H[0..9] U13 1 H[0..9] I1 2 I2 11 I3 23 I4 14 AIO0 3 AIO1 4 AIO2 5 AIO3 6 AIO4 7 AIO5 8 AIO6 9 AIO7 10 ACLK 1 BIO0 22 BIO1 21 ...

  • Tektronix VITS100 - page 168

    9–10 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 169

    VITS 100 NTSC VITS Inserter Instruction Manual 9–1 1 3 HARDWARE WATCHDOG RESET +5V 8 +5V 1 23456789 1 0 R178 2.7k J6 1 - 2 NO RESET 2 - 3 HOLD IN RESET MODE P6 12 3 J6 0123 4567 1 2 4 8 ST 7 PBRST 1 TD 2 TOL RST 5 RST 6 GND 4 VCC U31 DS1232 89A B C D EF 5 1 2 4 8 S8 J4-3 3 DIAG[0..3] P10 P11 P12 P13 P20 P8 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 S ...

  • Tektronix VITS100 - page 170

    9–12 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 171

    VITS 100 NTSC VITS Inserter Instruction Manual 9–13 1 15 L19 9uH C120 240pF R35 392 PROGRAM IN PROGIN +10V J10 PROGRAM GAIN ADJUST K2-4 7 R214 499 R18 15.0k R32 301.0 C3 10uF R33 100 R34 301.0 R36 2.00k +10V VIDIN- 1 VIDIN+ 3 S/H+ 5 S/H- 6 HCNTL 7 CHOLD 9 VIDOUT 13 S/H OUT 11 V+ 14 V- 12 GND 4 NC 2 NC 8 NC 10 U42 EL2090 VIDEO R100 7 R39 200.0 C12 ...

  • Tektronix VITS100 - page 172

    9–14 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 173

    VITS 100 NTSC VITS Inserter Instruction Manual 9–15 J12 4 1 2 3 R217 162/260 CR14 R3 R4 C18 1.0M 0.1uF 20k +10V 1 2 3 4 5 J11 R1 C17 0.1uF 47.5 P33 1 2 3 4 5 -5V -5V R68 511 C39 150pF R69 20.0k R70 100.0k Q8 4 5 2 3 1 1 6 8 1 1 U55A 10H116 R72 2.43k -5V -5V -5V R191 511 R190 511 -5V -5V 12 13 14 15 1 1 U55C 10H116 R224 511 R207 162 R206 261 S 5 D ...

  • Tektronix VITS100 - page 174

    9–16 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 175

    VITS 100 NTSC VITS Inserter Instruction Manual 9–17 1 2 J50 FULL FIELD TEST SIGNAL L18 9uH C119 240pF R103 75.0 ETSD[0..11] U63A-3 U63A-2 6 U11 1 CLK8FSC ETSD[0..11] ETSD0 ETSD1 ETSD2 ETSD3 ETSD4 D0(LSB) 9 D1 8 D2 7 D3 6 D4 67 D5 65 D6 64 D7 62 D8 60 D9 59 D10 58 D11(MSB) 54 CLK 2 VREF1 38 OUT 13 OUT 14 LGND 15 LGND 16 OUT 17 OUT 18 -5A 33 -5D 5 ...

  • Tektronix VITS100 - page 176

    9–18 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 177

    VITS 100 NTSC VITS Inserter Instruction Manual 9–19 LM393 FLOA TING COMMON F OR 220V 110V REAR P ANEL LF1 1 2 S10A C R143 22M F1 R144 1M 3 4 S10B RT1 5 RV1 330V CR12 C84 0.15uF C110 150UF C C85 .01uF R157 270k C86 .01uF DS4 R145 10M L17 150UH C88 220pF P21 1 2 J21 1 2 B100 +15V +12VP CR15 CR16 CR24 U85 7812 C106 1uF C100 1uF C500 47uF CR10 U72 78 ...

  • Tektronix VITS100 - page 178

    9–20 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 179

    VITS 100 NTSC VITS Inserter Instruction Manual 9–21 +5V -5V +12VP -12VP +5VP -5VP +12V OUTPUT 150 MA 150 MA -12V OUTPUT +5V OUTPUT 4AMPS -5.2V OUTPUT 1.5 AMPS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J20 +12V -12V P20 P34 P35 P36 P37 P38 +12VP -12V +12V TP5 -12VP TP6 +12VP +12V C33 0.1uF U52 7805 C37 0.1uF C174 0.1uF +5R Q6 R66 4.7 -5R R62 499 +2.5 ...

  • Tektronix VITS100 - page 180

    9–22 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 181

    VITS 100 NTSC VITS Inserter Instruction Manual 9–23     #     "  !$    ...

  • Tektronix VITS100 - page 182

    9–24 VITS 100 NTSC VITS Inserter Instruction Manual T able 9–3: A1 Component Locator 671–2132–00 through -04 ...

  • Tektronix VITS100 - page 183

    VITS 100 NTSC VITS Inserter Instruction Manual 9–25 ...

  • Tektronix VITS100 - page 184

    9–26 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 185

    VITS 100 NTSC VITS Inserter Instruction Manual 9–27 ...

  • Tektronix VITS100 - page 186

    9–28 VITS 100 NTSC VITS Inserter Instruction Manual ...

  • Tektronix VITS100 - page 187

    Replaceable Mechanical Parts ...

  • Tektronix VITS100 - page 188

    ...

  • Tektronix VITS100 - page 189

    VITS 100 NTSC VITS Inserter Instruction Manual 10–1 Replaceable Mechanical Parts This section contains a list of the replaceable mechanical components for the VITS 100 NTSC VITS Inserter . Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local T ektronix field office or ...

  • Tektronix VITS100 - page 190

    Replaceable Mechanical Parts 10–2 VITS 100 NTSC VITS Inserter Instruction Manual Parts List Column Descriptions Column Column Name Description 1 Figure & Index Number Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow . 2 T ektronix Part Number Use this part number when ordering rep ...

  • Tektronix VITS100 - page 191

    Replaceable Mechanical Parts VITS 100 NTSC VITS Inserter Instruction Manual 10–3 Manufacturers Cross Index, Mechanical Parts Mfr . Code Manufacturer Address City , State, Zip Code 01536 TEXTRON INC 1818 CHRISTINA ST ROCKFORD, IL 61 108 0J9P4 DEL T A ENGINEERING & MFG. CO. 19500 SW TETON TUALA TIN, OR 97062 0JR05 TRIQUEST PRECISION PLASTICS 30 ...

  • Tektronix VITS100 - page 192

    Replaceable Mechanical Parts 10–4 VITS 100 NTSC VITS Inserter Instruction Manual Replaceable Mechanical Parts List Fig. & Index Number T ektronix Part Number Serial No. Effective Serial No. Discont’d Qty Name & Description Mfr. Code Mfr . Part Number 1–1 21 1–01 19–00 15 SCREW ,MACH:4–40 X 0.25,FLH,100 DEG,STL BK OXD POZ 93907 O ...

  • Tektronix VITS100 - page 193

    Replaceable Mechanical Parts VITS 100 NTSC VITS Inserter Instruction Manual 10–5 Replaceable Mechanical Parts List (Cont.) Fig. & Index Number Mfr . Part Number Mfr . Code Name & Description Qty Serial No. Discont’d Serial No. Effective T ektronix Part Number ST ANDARD ACCESSORIES 161–0216–00 1 CABLE ASSY ,PWR:3,18 AWG,2.5M L,BLACK ...

  • Tektronix VITS100 - page 194

    Replaceable Mechanical Parts 10–6 VITS 100 NTSC VITS Inserter Instruction Manual 1 2 1 3 4 5 6 7 8 9 10 11 12 13 14 14 15 16 17 18 19 20 14 1 14 21 22 23 14 24 25 26 27 28 A1 Figure 10–1: Exploded view ...

  • Tektronix VITS100 - page 195

    Appendix ...

  • Tektronix VITS100 - page 196

    ...

  • Tektronix VITS100 - page 197

    VITS 100 NTSC VITS Inserter Instruction Manual A–1 Appendix A: Options This Appendix describes the available VITS 100 NTSC VITS Inserter options. Operation of the instrument is relatively straightforward; the following options expand its utility to situations other than typical broadcast applications: H Option 1J has three signals that differ sli ...

  • Tektronix VITS100 - page 198

    Appendix A: Options A–2 VITS 100 NTSC VITS Inserter Instruction Manual Option 1J The VITS 100 NTSC VITS Inserter Option 1J contains the following three signals that are modifications of those in the standard VITS inserter: H Red Field, with modified luminance and chrominance amplitudes H FCC Color Bars without setup H Multipulse without setup See ...

  • Tektronix VITS100 - page 199

    Appendix A: Options VITS 100 NTSC VITS Inserter Instruction Manual A–3 0 –40 100 0 4.7 9.2 15.8 22.4 29.0 35.6 42.2 48.8 55.5 63.56 m s Figure A–2: Option 1J FCC Color Bar signal 0 –40 0 4.7 9.8 15.7 19.3 25.8 36.1 44.4 51.5 57.4 63.56 m s 100 80 Figure A–3: Option 1J Multipulse signal The factory-programmed selection of VITS signals is a ...

  • Tektronix VITS100 - page 200

    Appendix A: Options A–4 VITS 100 NTSC VITS Inserter Instruction Manual T able A–2: Option 1J Factory Programmed VITS Insertions Line Field Signal 17 1 FCC Composite signal 17 2 Multiburst 18 1 and 2 Pass* 19 1 Color Bars (No Setup) 19 2 Pass* 20 1 Sin X/X 20 2 Red Field (Luminance and Chrominance altered) * Passed lines are not deleted or inser ...

  • Tektronix VITS100 - page 201

    Appendix A: Options VITS 100 NTSC VITS Inserter Instruction Manual A–5 VITS Inserter Program In Program Out Monitor Out VITS Inserter Program In Program Out VM700A Option 1 T o plant P AL-M Signal with NTSC VITS P AL-M Signal with NTSC VITS and inserted NTSC Sync and Burst P AL-M Signal with NTSC VITS P AL-M Source P AL-M Signal with inserted NTS ...

  • Tektronix VITS100 - page 202

    Appendix A: Options A–6 VITS 100 NTSC VITS Inserter Instruction Manual Option 2 VITS 100 NTSC VITS Inserter Option 2 generates Cable Sweep and Cable Multiburst signals to accommodate cable system measurements. These signals replace the VIRS and Auto VIRS selections of the standard VITS inserter and are selected with the same DIP switch settings ( ...

  • Tektronix VITS100 - page 203

    Appendix A: Options VITS 100 NTSC VITS Inserter Instruction Manual A–7 –40 0 9.5 15.7 17.2 23.2 30.6 45.4 52.8 54.2 61.98 m s 100 500mV 0mV 0.5 1.25 2.0 3.0 3.75 4.0 MHz 4.7 24.6 32.0 38.0 39.4 46.8 60.2 12.7 Figure A–5: Cable Multiburst 0 –40 0 4.7 9.8 1 1.0 60.5 61.6556 m s 100 714.28mV 357.14mV 0.1 4.2 MHz Figure A–6: Cable Sweep ...

  • Tektronix VITS100 - page 204

    Appendix A: Options A–8 VITS 100 NTSC VITS Inserter Instruction Manual T able A–6 lists the factory configuration (through DIP switches S1 – S4) of the Option 2 VITS inserter . T able A–6: Option 2 Factory Programmed VITS Insertions Line Field Signal 17 1 Cable Multiburst signal 17 2 Cable Sweep signal 18 1 FCC Composite signal 18 2 Sin X/X ...

  • Tektronix VITS100 - page 205

    Index ...

  • Tektronix VITS100 - page 206

    ...

  • Tektronix VITS100 - page 207

    VITS 100 NTSC VITS Inserter Instruction Manual Index–1 Index A Accessories, 1–2 Auto VIRS, 1–2, 2–4 B Bypass, 2–1 lockout, 7–5 remote control of, 2–8, A–4 C Cable-specific VITS, A–6 Cleaning & Inspection, 7–7 Controls, 2–1 D Disassembly instructions, 7–8 F Factory configuration, 2–5 Option 1J, A–4 Option 1M, A–5 Op ...

  • Tektronix VITS100 - page 208

    Index Index–2 VITS 100 NTSC VITS Inserter Instruction Manual waveform diagrams, 3–12 ...

Manufacturer Tektronix Category Work Light

Documents that we receive from a manufacturer of a Tektronix VITS100 can be divided into several groups. They are, among others:
- Tektronix technical drawings
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Tektronix VITS100.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Tektronix VITS100 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Tektronix VITS100.

A complete Tektronix manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Tektronix VITS100, that we can find in the current document
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4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Tektronix VITS100
5. FAQ - Frequently Asked Questions
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