This manual is divided into sections, such as Specifications and Theory of Operation. Further, it is divided into subsections, such as Product Description and Removal and Installation Procedures. Sections containing procedures also contain introductions to those procedures. Be sure to read these introductions because they provide information needed to do the service correctly and efficiently. The following is a brief description of each manual section. H Specifications contains a product description of the TDS 500D TDS 600C TDS 700D and TDS 714L Oscilloscopes and tables of the characteristics and descriptions that apply to it. H Operating Information includes general information and operating instruc- tions at the level needed to safely power on and service this Oscilloscope A statement of the service strategy that this manual supports, and instructions for shipment of the Oscilloscopes are found in this section. H Theory of Operation contains circuit descriptions that support general service and fault isolation. H Performance Verification contains a collection of procedures for confirming that these Oscilloscopes function properly and meet warranted limits. H Adjustment Procedures contains a collection of procedures for adjusting these Oscilloscopes to meet warranted limits. Maintenance contains information and procedures for doing preventive and corrective maintenance of these Oscilloscopes Instructions for cleaning, for module removal and installation, and for fault isolation to a module are found here. Options contains information on servicing any of the factory-installed options that may be present in your Oscilloscope Electrical Parts List contains a statement referring you to Mechanical Replaceable Parts, where both electrical and mechanical modules are listed. Diagrams contains a block diagram and an interconnection diagram useful for isolating failed modules. Mechanical Parts List includes a table of all replaceable modules, their descriptions, and their Tektronix part numbers.