Tektronix TSG 1001 User Manual

Service Manual

TSG 1001 Programmable TV Generator Serial Number B040000 and Above

070-8625-02

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.

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, Wilsonville, OR 97070–1000 TEKTRONIX and TEK are registered trademarks of T ektronix, Inc.

WARRANTY

T ektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, T ektronix, 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 T ektronix, with shipping charges prepaid. T ektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the T ektronix 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. T ektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than T ektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; or c) 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 WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED 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 CUST OMER 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.

List of Figures iv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

List of Tables vi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Summaries vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contacting Tektronix ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications

Specifications Tables 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Information

Using the TSG1001 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Downloading test signals into RAM 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Downloading a signal set 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Downloading a single test signal 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outputting test signals from RAM 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outputting zone plate test signals 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Utilities 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote control 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ground closure 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RS–232 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Serial cable requirements 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Communications parameters 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T erminal options 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controls and connectors 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The front panel 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The rear panel 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unpacking 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical installation 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Attaching the power cord 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mechanical installation 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rackmounting 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing the slide–mount hardware 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing the TSG1001 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing the TSG1001 2–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power–up/checkout 2–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Theory of Operation

Instrument overview 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controller board (A5) 3–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Kernel <1> 3–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

IO Ports <2> 3–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cursor generator <3> <4> 3–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Character generator <5> 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote control and miscellaneous 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controller diagnostics 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TSG1001 Programmable TV Generator Service Manual

Table of Contents

Zone plate board 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sync insertion 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Processor interface 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock and control lines 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multiplexer 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Schematic overview 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controller interface <1> 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock drivers <1> 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Channel 1 (ASIC and Multiplexers) <2> 3–7. . . . . . . . . . . . . . . . . . . . . . .

Interconnects <3> 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RAM board (A17) 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oscillator board (A2) 3–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output board (A3) 3–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview 3–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

In detail 3–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Analog signal selection <1> <3> <6> 3–18. . . . . . . . . . . . . . . . . . . . . . . . . .

Sync pickoff and trigger out 3–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock control <5> <9> 3–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock input (A8) 3–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting the output board 3–21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power supply (A4) 3–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input ac to dc converter 3–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Housekeeping supply 3–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Buck preregulator 3–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power inverter 3–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control circuitry 3–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outputs 3–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance Verification

Performance verification list 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Required equipment 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Verification procedures 4–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1. Oscillator frequencies 4–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Blanking levels 4–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. Line tilt 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. Field tilt 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5. Spurious signals (noise) 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6. Pulse–to–bar ratio 4–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. Sine–squared pulses 4–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8. Frequency response 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9. Channel–to–channel delay 4–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10. Amplitude accuracy 4–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11. Group delay distortion 4–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12. Return loss 4–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TSG1001 Programmable TV Generator Service Manual

Adjustment Procedures

List of adjustments 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Required equipment 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjustment procedures 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance

Table of Contents

1. +5 Volt supply 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Pedestal DAC zero–adjust 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. Oscillator frequencies 5–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oscillator frequencies – alternate procedure 5–5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. Blanking, gain, and pedestal levels 5–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5. Sync amplitude 5–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6. Frequency response 5–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. Inter-channel timing 5–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8. Clock filter adjustments 5–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Jumper tables 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RAM backup batteries 6–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacement 6–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disposal 6–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Options

Replacing oscillator crystals 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replaceable Electrical Parts

Parts Ordering Information 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using the Replaceable Electrical Parts List 8–1. . . . . . . . . . . . . . . . . . . . . . . . .

Column Descriptions 8–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cross Index – Mfr. Code Number to Manufacturer 8–4. . . . . . . . . . . . . . . . . .

Replaceable Electrical Parts 8–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagrams and Circuit Board Illustrations Replaceable Mechanical Parts

Parts Ordering Information 10–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using the Replaceable Mechanical Parts List 10–1. . . . . . . . . . . . . . . . . . . . . . .

Column Descriptions 10–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cross Index – Mfr. Code Number to Manufacturer 10–3. . . . . . . . . . . . . . . . . .

Replaceable Mechanical Parts 10–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TSG1001 Programmable TV Generator Service Manual

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Table of Contents

List of Figures

Fig. 2–1 TSG1001 readout indicating that the zone plate signal set is active 2–2.

Fig. 2–2 The TSG1001 front panel 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 2–3 The TSG1001 rear panel 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 2–4 Unpacking and re-packing the TSG1001 2–9. . . . . . . . . . . . . . . . . . . . . .

Fig. 2–5 The power cord options 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 2–6 Attaching the power cord 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 2–7 Installing the stationary slide-mount sections 2–11. . . . . . . . . . . . . . . . . . .

Fig. 2–8 Assembly of the rack-mounting hardware 2–12. . . . . . . . . . . . . . . . . . . . .

Fig. 3–1 A block diagram of the TSG1001 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 3–2 A block diagram of the TSG1001 RAM board 3–9. . . . . . . . . . . . . . . . .

Fig. 3–3 The DAC data-to-clock relationship 3–13. . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 3–4 The RAM reset-to-clock relationship 3–13. . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 3–5 A block diagram of the TSG1001 Oscillator board 3–15. . . . . . . . . . . . . .

Fig, 3–6 A block diagram of the TSG1001 Output board‘ 3–19. . . . . . . . . . . . . . . .

Fig. 4–1 A setup for checking the oscillator frequencies 4–3. . . . . . . . . . . . . . . . .

Fig. 4–2 The initial setup for verification procedures 2 through 7 4–4. . . . . . . . . .

Fig. 4–3 Checking the duration of an inverted 2T30 sine-squared pulse 4–7. . . . .

Fig. 4–4 A setup for verifying frequency response of the TSG1001 4–8. . . . . . . .

Fig. 4–5 One field of a field sweep zone plate as “seen” through a peak-to-peak

detector 4–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 4–6 A setup for checking inter-channel timing 4–9. . . . . . . . . . . . . . . . . . . . .

Fig. 4–7 Interpreting the CH1A–CH1B bowtie trace 4–10. . . . . . . . . . . . . . . . . . . .

Fig. 4–8 A setup for verifying amplitude accuracy (white levels) 4–11. . . . . . . . . .

Fig. 4–9 Components of the cable assembly for group delay measurements 4–12. . Fig. 4–10 The TSG1001 “piggy-back” filter boards (cover shield removed) 4–12. .

Fig 5–1 The location of J58. Pin 1 should be +5.0 volts dc 5–3. . . . . . . . . . . . . . .

Fig. 5–2 Equipment setup for adjusting the zero voltages of the pedestal DAC’s 5–3

Fig. 5–4 The TSG1001 oscillators and frequency switches 5–4. . . . . . . . . . . . . . .

Fig. 5–5 An alternate setup for checking TSG1001 oscillator frequencies 5–5. . .

Fig. 5–6 The initial setup for blanking, gain, and pedestal adjustments 5–6. . . . . .

Fig. 5–7 Holes in the TSG1001 pedestal board that provide access to the offset

and pedestal adjustments 5–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 5–8 A setup for verifying frequency response of the TSG1001 5–8. . . . . . . .

Fig. 5–9 One field of a field sweep zone plate as “seen” through a peak-to-peak

detector 5–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 5–10 A setup for adjusting inter-channel timing 5–10. . . . . . . . . . . . . . . . . . . . .

Fig. 5–11 Interpreting the CH1A–CH1B bowtie trace 5–11. . . . . . . . . . . . . . . . . . . .

Fig. 5–12 TSG1001 timing adjustments 5–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 5–13 A setup for clock filter adjustments 5–12. . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 5–14 Components of the spectrum analyzer -to-TSG1001 cables 5–13. . . . . . .

Fig. 5–15 The Output board clock filter 5–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 7–1 Removing an oven cover 7–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 7–2 Removing the heating transistor screw 7–2. . . . . . . . . . . . . . . . . . . . . . . .

Fig. 7–3 Unplugging the oscillator case 7–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TSG1001 Programmable TV Generator Service Manual

Table of Contents

Fig. 7–4 Removing the oscillator assembly 7–3. . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig, 7–5 Setting the rotary switches 7–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fig. 7–6 Example rotary switch setting (72.000000 MHz) 7–4. . . . . . . . . . . . . . . .

TSG1001 Programmable TV Generator Service Manual

Table of Contents

List of Tables

Table 1–1 General test signal characteristics 1–1. . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–2 Tri–level sync outputs 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–3 Digital outputs 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–4 Clock outputs 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–5 Power supply 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–6 Physical characteristics 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–7 Environmental characteristics 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–8 TSG 1001/SDP1000 formats 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 1–9 Certifications and compliances 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 2–1 Functions of the ground closure pins 2–4. . . . . . . . . . . . . . . . . . . . . . .

T able 2–2 RS–232 pin/conductor functions on the TSG1001 and “standard”

25-pin serial ports 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T able 2–3 Connections in a 9-pin to 25-pin RS–232 adapter 2–5. . . . . . . . . . . . .

T able 2–4 Possible power supply configurations 2–10. . . . . . . . . . . . . . . . . . . . . .

T able 4–1 Recommended test equipment and accessories (for verification) 4–2. T able 4–2

Table 4–3 Signal sets suitable for most verification procedures 4–4. . . . . . . . . . .

T able 4–4 Initial oscilloscope (TDS 540) settings for verifying blanking levels 4–4

T able 4–5 Initial oscilloscope settings for verifying pulse-to-bar ratio 4–7. . . . .

T able 4–6 Signal sets with suitable “Bowtie” timing signals 4–10. . . . . . . . . . . . .

T able 4–7 Initial Tektronix 1730HD settings for checking inter-channel timing 4–10 T able 4–8 Initial Tektronix 1730HD settings for checking amplitude accuracy 4–11

T able 5–1 Recommended test equipment and accessories (for adjustments) 5–2. T able 5–2 A vailable TSG1001 frequencies 5–5 T able 5–3 Signal sets suitable for the remaining adjustment procedures 5–6 T able 5–4 Initial oscilloscope (TDS 540) settings for adjusting signal levels 5–7 T able 5–5 Initial 1730HD settings for inter-channel timing adjustments 5–10 T able 5–6 Initial spectrum analyzer settings for clock filter adjustments 5–13

T able 6–1 Oscillator board (A2) jumpers 6–1 T able 6–2 Output board (A3) jumpers 6–1 T able 6–3 Filter board (A2A1 and A2A3) jumpers 6–2 T able 6–4 Controller board (A5) jumpers 6–2 T able 6–5 Clock input board (A8) jumpers 6–2 T able 6–6 RAM board (A17) jumpers 6–3

Available TSG1001 frequencies 4–3. . . . . . . . . . . . . . . . . . . . . .

TSG1001 Programmable TV Generator Service Manual

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 Personal Injury

Use Proper Power Cord. Use only the power cord specified for this product and

certified for the country of use. Ground the Product. This product is grounded through the grounding conductor

of the power cord. To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properly grounded.

Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and markings on the product. Consult the product manual for further ratings information before making connections to the product.

Do not apply a potential to any terminal, including the common terminal, that exceeds the maximum rating of that terminal.

Do Not Operate Without Covers. Do not operate this product with covers or panels removed.

Use Proper Fuse. Use only the fuse type and rating specified for this product. Avoid Exposed Circuitry. Do not touch exposed connections and components

when power is present. Wear Eye Protection. Wear eye protection if exposure to high-intensity rays or

laser radiation exists. Do Not Operate With Suspected Failures. If you suspect there is damage to this

product, have it inspected by qualified service personnel.

Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry . Provide Proper Ventilation. Refer to the manual’s installation instructions for

details on installing the product so it has proper ventilation.

TSG1001 Programmable TV Generator Service Manual

vii

General Safety Summary

Symbols and Terms

T erms in this Manual. These terms may appear in this manual:

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.

T erms 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 a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product:

CAUTION

Refer to Manual

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, disconnect the mains power by means of the power cord or, if provided, the power switch.

Use Care When Servicing With Power On. Dangerous voltages or currents may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components.

WARNING

High Voltage

Double

Insulated

Protective Ground

(Earth) Terminal

Not suitable for

connection to

the public telecom-

munications network

viii

To avoid electric shock, do not touch exposed connections.

TSG1001 Programmable TV Generator Service Manual

Contacting Tektronix

Product Support

Service Support

For other information

To write us Tektronix, Inc.

For application-oriented questions about a Tektronix measurement 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: tm_app_supp@tek.com

For product support outside of North America, contact your local Tektronix distributor or sales office.

Contact your local Tektronix distributor or sales office. Or visit our web site for a listing of worldwide service locations.

http://www.tektronix.com In North America:

1-800-TEK-WIDE (1-800-835-9433) An operator will direct your call.

P.O. Box 1000 Wilsonville, OR 97070-1000

TSG1001 Programmable TV Generator Service Manual

Contacting Tektronix

TSG1001 Programmable TV Generator Service Manual

Section 1: Specifications

T able 1–1: General test signal characteristics

Characteristic Performance requirement Supplemental information

Amplitude:

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accuracy

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channel match

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±1%

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±0.5%

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measured at 700 mV

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channels 2 and 3 relative to

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channel 1

Frequency response

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Group delay distortion

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Channel–to–channel delay

±1% to 20 MHz

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±2% to 30 MHz ≤3 ns to 20 MHz

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≤5 ns to 25 MHz

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±1 ns

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channels 2 and 3 relative to channel 1

Field tilt

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Line tilt Sine squared pulses Pulse–to–bar ratio Blanking level Spurious signals

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Output impedance Return loss

≤0.5%

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≤0.5% HADs accurate within ±2 ns 1:1 ±1% 0 V DC ±50 mV <5 mV to 30 MHz

БББББББ

<7 mV from 30 MHz to 100

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MHz 75Ω ≥35 dB down to 30 MHz

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using 2T30 pulse and bar

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NOTE. Specific characteristics (amplitudes, timings) of individual test signals are inherent in the SDP1000 definition of each signal. A graphic representation of each test signal waveform and the values of the defining parameters may be seen with the ED1000 waveform editor. Please see the SDP1000 manual for more information.

TSG1001 Programmable TV Generator Service Manual

1–1

Specifications

T able 1–2: Tri-level sync outputs

Characteristic Performance requirement Supplemental information

Blanking level

0 V ±50 mV

Spurious signals

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Output impedance

<5 mV to 30 MHz

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<7 mV, 30 MHz to 100 MHz

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75Ω

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T able 1–3: Digital outputs

Characteristic Information

Sampling frequency

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Digital coding Output format

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Connector

72.000000, 74.25, or 74.175824 MHz (determined by active video

БББББББББББББББ

format; see Table 1–8, on page 1–4), 1.0 ppm stability typical 10 bit linear PCM balanced ECL (10KH series), 10 data pair, 1 clock pair

БББББББББББББББ

25 pin D female

T able 1–4: Clock Input requirements

Characteristic Performance requirement Supplemental information

Clock Input

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(external clock mode)

ББББББББÁБББББББ

10KH differential ECL input.

1–2

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Frequency

Levels

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Symmetry

Noise

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72.0, 74.25, and 74.175824 MHz

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ББББББББÁБББББББ

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low level: –1.72V min

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Measured at the Clock In connec-

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tor from a reverse terminated source.

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–0.98V max

–1.52V max

Typically 8.0 to 78.0 MHz in external clock mode;

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69.0–78.0 MHz, encoded mode. Clock pulses must be ≥6 ns in

both high and low states. normal mode: >40 dB

high level: –1.18V min

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common mode: 500 mV p–p

TSG1001 Programmable TV Generator Service Manual

T able 1–4: Clock Input requirements (Cont.)

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Characteristic Supplemental informationPerformance requirement

Frame Input

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(2 wire mode)

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Specifications

10KH differential ECL input.

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Levels

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T able 1–5: Power Supply

Characteristic Information

Line voltage range

110 VAC

220 VAC

Fuse data

110 V setting

220 V setting

Power consumption ≤250 VA maximum

92 – 132 VAC 180 – 250 VAC

4 amp medium blow 2 amp medium blow (internal fuse is 2 amp fast

≤180 W typical

high level: –1.18V min

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–0.98V max

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low level: –1.72V min

–1.52V max

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Measured at the Frame In connector from a reverse-terminated

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source.

TSG1001 Programmable TV Generator Service Manual

Line frequency 48 to 62 Hz

T able 1–6: Physical characteristics

Characteristic Information

Dimensions:

Height

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Width

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Length

Weight

3.48 inches (8.84 cm)

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19.0 inches (48.26 cm)

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22.0 inches (55.88 cm) 25 lbs (10.4 kg)

1–3

Specifications

T able 1–7: Environmental characteristics

Characteristic Information

Temperature:

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operating non–operating

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0° to 50°C (32° to 122°F)

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–40° to 65°C (–40° to 149°F)

T able 1–8: TSG1001/SDP1000 formats

Scanning Structure lines per frame/field rate/fields:frame

525/59.94 Hz/1:1

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525/59.94 Hz/2:1

БББББББББ

625/50 Hz/1:1

БББББББББ

625/50 Hz/2:1

БББББББББ

750/59.94/1:1

787-788/59.94 Hz/1:1*

БББББББББ

Sampling frequency (MHz)

72.00

ÁÁÁÁ

72.00

ÁÁÁÁ

13.5

14.318182 18

72.00

ÁÁÁÁ

13.5

72.00

ÁÁÁÁ

74.175824

75.335664

ÁÁÁÁ

Pre-defined formats

“525/59.94/1:1 GBR” “525/59.94/1:1 YPBPR”

БББББББ

“525/59.94/2:1 BETACAM”

БББББББ

“525/59.94/2:1 GBR”

БББББББ

“525/59.94/2:1 MII” “525/59.94/2:1 YPBPR”

БББББББ

“NTSC”

БББББББ

“525/59.94/2:1 D1”* “D2 NTSC”* “525/59.94/2:1 D1 16:9”* “625/50/1:1 GBR”

“625/50/1:1 YPBPR”

БББББББ

“625/50/2:1 D1”* “625/50/2:1 GBR”

“625/50/2:1 YPBPR”

БББББББ

“625/50/2:1 YUV(PAL)”**

БББББББ

“750/59.94/1:1 GBR” “750/59.94/1:1 YPBPR”

“787/59.94/1:1 GBR”*

БББББББ

“787/59.94/1:1 YPBPR”*

1–4

1050/59.94 Hz/1:1

БББББББББ

1050/59.94 Hz/2:1

БББББББББ

1125/59.94/1:1

БББББББББ

1125/59.94/2:1

БББББББББ

1125/60 Hz/2:1

БББББББББ

TSG1001 Programmable TV Generator Service Manual

72.00

ÁÁÁÁ

72.00

ÁÁÁÁ

74.175824

ÁÁÁÁ

74.175824

ÁÁÁÁ

74.25

ÁÁÁÁ

“1050/59.94/1:1 GBR”

БББББББ

“1050/59.94/1:1 YPBPR” “1050/59.94/2:1 GBR”

БББББББ

“1050/59.94/2:1 YPBPR” “1125/59.94/1:1 GBR”

БББББББ

“1125/59.94/1:1 YPBPRR” “1125/59.94/2:1 GBR”

“1125/59.94/2:1 YPBPRR”

БББББББ

“1125/60/2:1 GBR” “1125/60/2:1 YPBPR”

БББББББ

T able 1–8: TSG1001/SDP1000 formats (Cont.)

Specifications

Scanning Structure lines per frame/field rate/fields:frame

1250/50 Hz/1:1

БББББББББ

1250/50 Hz/2:1

БББББББББ

User-defined

БББББББББ

Sampling frequency (MHz)

72.00

ÁÁÁÁ

72.00

ÁÁÁÁ

72.0, 74.25,

74.175824

ÁÁÁÁ

Pre-defined formats

“1250/50/1:1 GBR” “1250/50/1:1 YPBPR”

БББББББ

“1250/50/2:1 GBR” “1250/50/2:1 YPBPR”

БББББББ

“USER GBR” “USER YPBPR”

БББББББ

* These formats require changing an oscillator crystal or using an external clock.

Please contact a Tektronix representative for more information.

ББББББББББББББББББББББ

** This format requires a Tektronix PE1000 PAL Encoder.

ББББББББББББББББББББББ

T able 1–9: Certifications and compliances

EC Declaration of Conformity – EMC

Australia/New Zealand Declaration of Conformity – EMC

FCC Compliance Emissions comply with FCC Code of Federal Regulations 47, Part 15, Subpart B, Class A Limits EC Declaration of Conformity –

Low Voltage

Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities:

EN 50081-1 Emissions:

EN 55011 Class A Radiated and Conducted Emissions

EN 50082-1 Immunity:

IEC 801-2 Electrostatic Discharge Immunity IEC 801-3 RF Electromagnetic Field Immunity IEC 801-4 Electrical Fast Transient/Burst Immunity

Complies with EMC provision of Radiocommunications Act per the following standard(s):

AS/NZS 2064.1/2 Industrial, Scientific, and Medical Equipment: 1992 AS/NZS 3548 Information T echnology Equipment: 1995

Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities:

Low Voltage Directive 73/23/EEC EN 61010-1:1993 Safety requirements for electrical equipment for measurement,

control, and laboratory use

Approvals UL1244 - Second Edition - Standard for Electrical and Electronic Measuring and T esting

Equipment. CSA - Electrical Bulletin C22.2 No. 231.

Installation Category Descriptions Terminals on this product may have different installation category designations. The installation

categories are: CA T III Distribution-level mains (usually permanently connected). Equipment at this level is

typically in a fixed industrial location

TSG1001 Programmable TV Generator Service Manual

1–5

Specifications

T able 1–9: Certifications and compliances (cont.)

CA T II Local-level mains (wall sockets). Equipment at this level includes appliances, portable

tools, and similar products. Equipment is usually cord-connected

CA T I Secondary (signal level) or battery operated circuits of electronic equipment

Safety Standards

U.S. Nationally Recognized Testing Laboratory Listing

Canadian Certification CAN/CSA C22.2 No. 231 CSA safety requirements for electrical and electronic measuring and

Additional Compliance IEC61010-1 Safety requirements for electrical equipment for measurement,

Safety Certification Compliance

T emperature, operating +5 to +40_ C Altitude (maximum operating) 2000 meters Equipment Type T est and measuring Safety Class Class 1 (as defined in IEC 1010-1, Annex H) – grounded product Overvoltage Category Overvoltage Category II (as defined in IEC 1010-1, Annex J) Pollution Degree Pollution Degree 2 (as defined in IEC 1010-1). Note: Rated for indoor use only.

UL1244 Standard for electrical and electronic measuring and test equipment.

test equipment.

control, and laboratory use.

1–6

TSG1001 Programmable TV Generator Service Manual

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