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Instruction Manual
VITS100
NTSC VITS Inserter
070-8333-02
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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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 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
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WARRANTY Tektronix 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, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. In order to obtain service under this warranty, Customer must notify Tektronix of
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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 purchase up to three years of Repair Protection. Calibration Services provide annual calibration of your product, standards compliance and required audit documen
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Table of Contents General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Service Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Getting Started VITS Inserter Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 Accessories and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 Functional Check and Installation . .
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Table of Contents Cleaning and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–7 Removal and Replacement Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–8 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–11 Replaceable Electrical Parts Parts Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents 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 Figure 2–2: VITS100 NTSC VITS Inserter rear panel . . . . . . . . . . . . 2–2 Figure 2–3: VITS100 NTSC VITS Inserter source ID signal . . . . . . . 2–4 Figure 2–4: Location of VI
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Table of Contents 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 5–11: Frequency response display . . . . . . . . . . . . . . . . . . . . . . . 5–21 Figure 5–12: Measuring frequency response . . . . . . . . . . . . . . . . . . . . 5–22 Figure 6–1: Adjustments and test points . . . . . . . . . . . . . .
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Table of Contents List of Tables Table 1–1: Factory VITS, Standard and Option 1M . . . . . . . . . . . . . 1–4 Table 1–2: Factory VITS, Option 1J . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4 Table 1–3: Factory VITS, Option 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4 Table 2–1: Standard Factory-Programmed Signals . . . . . . . . . . . . . . 2–5 Table 2–2: DIP Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–7 Table 2–3: REMOTE Connect
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Table of Contents Table 7–1: Mode Selection Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–5 Table 7–2: Test Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–6 Table 7–3: The User Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–12 Table 9–1: A1 Component Locator 671–2132–05 & Up . . . . . . . . . . . . 9–2 Table 9–2: A1A1 Component Locator . . . . . . . . . . . . . . . . . . . . . . . . . . 9–4 Table 9–3: A1 Component
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General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. To Avoid Fire or Use Proper Power Cord. Use only the power cord specified for this product and certified for the country of use. Personal Injury Ground the Product. This product is grounded through the grounding conductor of the
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General Safety Summary WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Terms on the Product. These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking. WARNING indicates an injury hazard not immediately accessible as you read the marking. CAUTION indicates
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Service Safety Summary Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present. Disconnect Power. To avoid electric shock, switch off the instrument power, then disconnect the power cord from the mains power. Use Care When
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Service Safety Summary x VITS100 NTSC VITS Inserter Instruction Manual
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Getting Started
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Getting Started The Tektronix VITS100 NTSC VITS Inserter is a high quality signal generator designed to insert VITS (Vertical Interval Test 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 Inserter Functions, below, for a brief explanation of what the VITS inserter can do. See Functional Check and Installation, on page 1–3, to begin using your new VITS inserter. VITS Inserter Functions You can progr
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Getting Started Source ID The VITS inserter can also insert a one-line source identification code on any of the available lines in vertical blanking. The Tektronix VM700A Video Measure- ment Set can then use this code to identify the source of the signal it is measur- ing. Auto VIRS Another function of the VITS inserter is Auto VIRS. When Auto VIRS is selected, the VITS inserter checks the specified lines and fields of the incoming program video for a VIRS signal. If VIRS is detected, the signal
