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TDS 684A, TDS 744A, & TDS 784A Service Manual
xix
Introduction
Service Strategy
STOP. Throughout this manual, any field-replaceable component, assembly, or
part of this oscilloscope is referred to generically as a module.
This manual contains all the information needed for periodic maintenance of the
TDS 684A and 7XXA Digitizing Oscilloscopes. (Examples of such information
are procedures for checking performance and for readjustment.) Further, it
contains all information for corrective maintenance down to the module level.
This means that the procedures, diagrams, and other troubleshooting aids help
isolate failures to a specific module, rather than to components of that module.
Once a failure is isolated, replace the module with a fresh unit obtained from the
factory.
All modules are listed in Mechanical Parts List. To isolate a failure to a module,
use the fault isolation procedures found in Section 6, Maintenance Information.
To remove and replace any failed module, follow the instructions in Removal
and Installation Procedures, also found in Section 6.
Service Offerings
Tektronix provides service to cover repair under warranty as well as other
services that may provide a cost-effective answer to your service needs.
Whether providing warranty repair service or any of the other services listed
below, Tektronix service technicians, trained on Tektronix products, are best
equipped to service your TDS 684A and 7XXA Digitizing Oscilloscopes.
Tektronix technicians are appraised of the latest information on improvements to
the product as well as the latest new options to the product.
Tektronix warrants this product for three years from date of purchase, excluding
probes for which the warranty is one year. (The warranty appears after the title
page and copyright page in this manual.) Tektronix technicians provide warranty
service at most Tektronix service locations worldwide. Your Tektronix product
catalog lists all service locations worldwide.
The following services may be purchased to tailor repair and/or calibration of
your TDS 684A and 7XXA Digitizing Oscilloscopes to fit your requirements.
Warranty Repair Service
Repair or Calibration
Service