Tektronix VITS 200 User manual

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Instruction Manual
VITS 200
NTSC VITS Inserter
070-8332-04
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.

Copyright ©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.

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 the defect before the expiration
of the warranty period and make suitable arrangements for the performance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any
damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been
modified or integrated with other products when the effect of such modification or integration increases the time
or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS
OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’
RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.
TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR
THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

Contacting Tektronix
Product
Support For application-oriented questions about a Tektronix measure- ment product, call toll free in North America:
1-800-TEK-WIDE (1-800-835-9433 ext. 2400)
6:00 a.m. – 5:00 p.m. Pacific time
Or contact us by e-mail:
[email protected]
For product support outside of North America, contact your
local Tektronix distributor or sales office.
Service
Support Contact your local Tektronix distributor or sales office. Or visit our web site for a listing of worldwide service locations.
www.tektronix.com
For other
information In North America: 1-800-TEK-WIDE (1-800-835-9433)
An operator will direct your call.
To write us Tektronix, Inc.
P.O. Box 1000
Wilsonville, OR 97070-1000

VITS 200 i
Table of Contents
List of Figures ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Tables iii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Safety Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Getting Started
Getting Started 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Options 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics
Operating Basics 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Control 2–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Video Clapboard 2–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RS-232 Control 2–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Panel 2–35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
Specifications 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theory of Operation
Theory of Operation 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Signal Generation 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Genlock 4–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Inputs 4–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signal and Switching Control 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Character and Source ID Generation 4–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel, Remote Controls, and Controller 4–9. . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply Overview 4–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply Detailed Description 4–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Verification
Performance Verification 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Equipment List 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calibration Data Report 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verification Procedure 5–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment Procedures
Adjustment Procedures 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Equipment List 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents
ii VITS 200
Calibration Procedure 6–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
Maintenance 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventive Maintenance 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Aids 7–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostics 7–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Corrective Maintenance 7–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Selectable Parts 7–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replaceable Electrical Parts List
Replaceable Electrical Parts List 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Schematics
Schematics/Circuit Board Illustrations 9–1. . . . . . . . . . . . . . . . . . . . . . . . .
Replaceable Mechanical Parts List
Replaceable Mechanical Parts List 10–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index
List of Figures
Figure 1–2: Rail Detail for Mounting Slide Tracks 1–8. . . . . . . . . . . . . . .
Figure 1–3:Assembly of Rack Mounting Hardware 1–9. . . . . . . . . . . . . .
Figure 1–4: Mounting Stationary Track Sections (Front Rail Mount) 1–10
Figure 1–5: Mounting Stationary Track Sections (Deep Rack Mount) 1–10
Figure 1–6: Mounting Stationary Track
Sections (Shallow Rack Mount) 1–11. . . . . . . . . . . . . . . . . . . . . . .
Figure 1–7: Racking and Unracking the VITS 200 1–12. . . . . . . . . . . . . . .
Figure 2–1: VITS 200 Front Panel 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: VITS 200 Menu Structure 2–5. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–3: Remote Control Connector 2–17. . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–4: Video Clapboard Connections 2–21. . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: Controlling the VITS 200 with a VM700A. 2–22. . . . . . . . . . .
Figure 2–6: VITS 200 Rear Panel. 2–35. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: 0% Black 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–2: 7.5% Black 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–3: 10 MHz Sweep 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents
VITS 200 iii
Figure 3–4: NTC7 Combination 3–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–5: FCC Composite 3–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–6: NTC7 Composite 3–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–7: FCC Multiburst 3–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–8: 50% Gray 3–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–9: SIN X/X 3–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–10: FCC Color Bars 3–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–11: Multipulse 3–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–12: VIRS 3–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–13: Red Field 3–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–14: BTA Ghost Canceller Reference 3–12. . . . . . . . . . . . . . . . . . .
Figure 3–15: Phillips GCR Positive 3–13. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–16: Phillips GCR Negative 3–13. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–17: Korean GCR Positive 3–14. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–18: Korean GCR Negative 3–14. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–19: Cable Multiburst 3–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–20: Cable Sweep 3–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–1: Remote Control Connector Pinout. 4–10. . . . . . . . . . . . . . . . . .
Figure 4–2: Basic Operation of T1 4–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–1: VM700A Horizontal Timing Measurement Display 5–21. . . .
Figure 7–1: Using the Foldout Pages 7–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7–2: Circuit Board Assembly Locations. 7–3. . . . . . . . . . . . . . . . .
List of Tables
Table 1–1: Inserter Board (A1) Operating Mode
Selection Jumpers (Green) 1–5. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–2: Controller Board (A3) Operating Mode
Selection Jumpers (Green) 1–5. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: Inserter Board (A1) Test Jumpers (Red) 1–6. . . . . . . . . . . . . .
Table 1–4: Controller Board (A3) Test Jumpers (Red) 1–7. . . . . . . . . . . .
Table 2–1: Character List for the VITS 200 2–10. . . . . . . . . . . . . . . . . . . .
Table 2–2: Factory VITS assignments for Std and Opt 1C 2–14. . . . . . . .
Table 2–3: Factory VITS assignments for Opt 1J 2–14. . . . . . . . . . . . . . . .