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.
Fig. 4–8 A setup for verifying amplitude accuracy (white levels)4–11. . . . . . . . . .
Fig. 4–9 Components of the cable assembly for group delay measurements4–12. .
Fig. 4–10 The TSG1001 “piggy-back” filter boards (cover shield removed)4–12. .
Fig 5–1The location of J58. Pin 1 should be +5.0 volts dc5–3. . . . . . . . . . . . . . .
Fig. 5–2 Equipment setup for adjusting the zero voltages of the pedestal DAC’s5–3
Fig. 5–4 The TSG1001 oscillators and frequency switches5–4. . . . . . . . . . . . . . .
Fig. 5–5 An alternate setup for checking TSG1001 oscillator frequencies5–5. . .
Fig. 5–6 The initial setup for blanking, gain, and pedestal adjustments5–6. . . . . .
Fig. 5–7 Holes in the TSG1001 pedestal board that provide access to the offset
T able 2–3Connections in a 9-pin to 25-pin RS–232 adapter2–5. . . . . . . . . . . . .
T able 2–4Possible power supply configurations2–10. . . . . . . . . . . . . . . . . . . . . .
T able 4–1Recommended test equipment and accessories (for verification)4–2.
T able 4–2
Table 4–3Signal sets suitable for most verification procedures4–4. . . . . . . . . . .
T able 4–4Initial oscilloscope (TDS 540) settings for verifying blanking levels4–4
T able 4–5Initial oscilloscope settings for verifying pulse-to-bar ratio4–7. . . . .
T able 4–6Signal sets with suitable “Bowtie” timing signals4–10. . . . . . . . . . . . .
T able 4–7Initial Tektronix 1730HD settings for checking inter-channel timing4–10
T able 4–8Initial Tektronix 1730HD settings for checking amplitude accuracy4–11
T able 5–1Recommended test equipment and accessories (for adjustments)5–2.
T able 5–2A vailable TSG1001 frequencies5–5
T able 5–3Signal sets suitable for the remaining adjustment procedures5–6
T able 5–4Initial oscilloscope (TDS 540) settings for adjusting signal levels5–7
T able 5–5Initial 1730HD settings for inter-channel timing adjustments5–10
T able 5–6Initial spectrum analyzer settings for clock filter adjustments5–13
T able 6–1Oscillator board (A2) jumpers6–1
T able 6–2Output board (A3) jumpers6–1
T able 6–3Filter board (A2A1 and A2A3) jumpers6–2
T able 6–4Controller board (A5) jumpers6–2
T able 6–5Clock input board (A8) jumpers6–2
T able 6–6RAM board (A17) jumpers6–3
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 usTektronix, 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
ix
Contacting Tektronix
x
TSG1001 Programmable TV Generator Service Manual
Section 1: Specifications
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T able 1–1: General test signal characteristics
CharacteristicPerformance requirementSupplemental 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
БББББББ
MHz
75Ω≥35 dB down to 30 MHz
БББББББ
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
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T able 1–2: Tri-level sync outputs
CharacteristicPerformance requirementSupplemental information
Blanking level
0 V ±50 mV
Spurious signals
ББББББ
ББББББ
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
CharacteristicInformation
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
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25 pin D female
T able 1–4: Clock Input requirements
CharacteristicPerformance requirementSupplemental information
Clock Input
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(external clock mode)
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10KH differential ECL input.
1–2
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Frequency
Levels
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Symmetry
Noise
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ББББББББ
ББББББББ
ББББББББ
ББББББББ
ББББББББ
ББББББББ
72.0, 74.25, and 74.175824 MHz
ББББББББ
ББББББББÁБББББББ
БББББББ
БББББББ
low level: –1.72V min
БББББББ
БББББББ
Measured at the Clock In connec-
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tor from a reverse terminated
source.
БББББББ
–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
Scanning Structure
lines per frame/field rate/fields:frame
1250/50 Hz/1:1
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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 ComplianceEmissions 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 55011Class A Radiated and Conducted Emissions
EN 50082-1 Immunity:
IEC 801-2Electrostatic Discharge Immunity
IEC 801-3RF Electromagnetic Field Immunity
IEC 801-4Electrical Fast Transient/Burst Immunity
Complies with EMC provision of Radiocommunications Act per the following standard(s):
AS/NZS 2064.1/2Industrial, Scientific, and Medical Equipment: 1992
AS/NZS 3548Information 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
ApprovalsUL1244 - Second Edition - Standard for Electrical and Electronic Measuring and T esting
Installation Category DescriptionsTerminals on this product may have different installation category designations. The installation
categories are:
CA T IIIDistribution-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 IILocal-level mains (wall sockets). Equipment at this level includes appliances, portable
tools, and similar products. Equipment is usually cord-connected
CA T ISecondary (signal level) or battery operated circuits of electronic equipment
Safety Standards
U.S. Nationally Recognized
Testing Laboratory Listing
Canadian CertificationCAN/CSA C22.2 No. 231CSA safety requirements for electrical and electronic measuring and
Additional ComplianceIEC61010-1 Safety requirements for electrical equipment for measurement,
Safety Certification Compliance
T emperature, operating+5 to +40_ C
Altitude (maximum operating)2000 meters
Equipment TypeT est and measuring
Safety ClassClass 1 (as defined in IEC 1010-1, Annex H) – grounded product
Overvoltage CategoryOvervoltage Category II (as defined in IEC 1010-1, Annex J)
Pollution DegreePollution 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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