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User Manual
TSG 90 PATHFINDER
NTSC Signal Generator
070-8964-00
Please check for change information at the rear
of this manual.
First Printing November 1993
Revised March 1994
Copyright E Tektronix, Inc., 1992, 1993. All rights reserved.
Printed in U.S.A. Tektronix products are covered by U.S. and for-
eign patents, issued and pending.
Information in this publication supersedes that in all previously
published material. Specifications and price change privileges re-
served. The following are registered trademarks: TEKTRONIX and
TEK.
For further information, contact: Tektronix, Inc., Corporate Offices,
P.O. 500, Beaverton, Oregon, 97077
Warranty
Tektronix warrants that the TSG 90 PATHFINDER NTSC Signal Genera-
tor will be free from defects in materials and workmanship for a period of
one (1) year from the date of shipment. If this product proves defective
during the 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 Tek-
tronix of the defect before 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 ser-
vice center designated by Tektronix, with shipping charges prepaid. Tek-
tronix 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 repre-
sentatives 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 with respect to this product in
lieu of any other warranties, express or implied. Tektronix and its
vendors disclaim any implied warranties of merchantability or fit-
ness 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 ven-
dors will not be liable for any indirect, special, incidental, or conse-
quential damages irrespective of whether Tektronix or the vendor
has advance notice of the possibility of such damages.
TSG 90 PATHFINDER User Manual i
ii TSG 90 PATHFINDER User Manual
Contents
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Operating Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Shift/Shift Lock. . . . . . . . . . . . . . . . . . . . . . . . . 4
Lock Out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Bars and Other Signals. . . . . . . . . . . . . . . . . . . . 6
ID On/Off and ID Menu. . . . . . . . . . . . . . . . . . . 7
ID Edit and ID Position. . . . . . . . . . . . . . . . . . . 7
Tone On/Off and Tone Menu. . . . . . . . . . . . . . . 7
Recall and Store. . . . . . . . . . . . . . . . . . . . . . . . . 8
Appendix A: Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 9
Appendix B: Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . 25
Appendix C: User Service . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Battery Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
The Diagnostic Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 28
List of Figures
Figure 1: Multiburst . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 2: NTC7 Composite . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 3: NTC7 Combination . . . . . . . . . . . . . . . . . . . . . 13
Figure 4: FCC Composite . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 5: SMPTE Color Bar Signal Components . . . . . . 16
Figure 6: 75% Bars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 7: 5-Step Staircase (Gray Scale) . . . . . . . . . . . . . . 17
Rev Mar 1994
TSG 90 PATHFINDER User Manual iii
head a
Figure 8: Red Field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 9: Field Square Wave . . . . . . . . . . . . . . . . . . . . . . 18
Figure 10: 50 IRE Flat Field . . . . . . . . . . . . . . . . . . . . . . 18
Figure 11: 0 IRE, No Burst . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 12: Black Burst . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 13: SINX/X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 14: Convergence Signal Components . . . . . . . . . . 20
Figure 15: Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 16: Safe Area Signal Components . . . . . . . . . . . . 22
Figure 17: SNG Bars (Option 1J only) . . . . . . . . . . . . . . 23
List of Tables
Table 1: Physical Data and Environmental Limits . . . . . 9
Table 2: Power Requirements/Battery Life . . . . . . . . . . . 10
Table 3: Test Signal Generator--General Characteristics 10
Table 4: Audio Tone Output . . . . . . . . . . . . . . . . . . . . . . 11
Table 5: Multiburst Test Signal . . . . . . . . . . . . . . . . . . . . 11
Table 6: NTC7 Composite . . . . . . . . . . . . . . . . . . . . . . . . 12
Table 7: NTC7 Combination . . . . . . . . . . . . . . . . . . . . . . 13
Table 8: FCC Composite . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 9: Remaining Test Signals . . . . . . . . . . . . . . . . . . . 15
Rev Mar 1994
iv TSG 90 PATHFINDER User Manual
Getting Started
Please note the following statements before using your new TSG 90
PATHFINDER.
CAUTION. Attempting to operate the TSG 90 with an improper AC
adapter can result in permanent damage to the instrument. To avoid
damage, USE ONLY AN APPROPRIATE DC POWER SOURCE:
Voltage must be 9 to 15 VDC; the connector must have the NEG-
ATIVE contact in the center; and open-circuit voltage of the power
source must not exceed 18 VDC.
For best results, use the AC adapter that is supplied with the instru-
ment. If the supplied adapter is incorrect for the local AC power
supply, please contact your nearest Tektronix representative.
WARNING. Install or replace batteries only with the instrument
switched OFF and the AC adapter disconnected.
Replace the batteries only with standard AA batteries (1.2