1240 Service Vol. II
Section 4 - THEORY OF OPERATION. Illustrates basic operation by introducing logical function
blocks and by showing their relationship to the instrument modules. Also, this section describes the
system architecture and the difference between the 124001 and 1240D2 acquisition cards.
Section 5 - VERIFICATION AND ADJUSTMENT PROCEDURES. Contains functional check
procedures, adjustment procedures, and performance verification procedures.
Section 6 - DISASSEMBLY AND INSTALLATION PROCEDURES. Describes disassembly and
reassembly procedures for instrument pieces.
Section 7 - MAINTENANCE. Contains information necessary to maintain the logic analyzers,
including general precautions and preventive and corrective maintenance items.
Section 8 - TROUBLESHOOTING AND REPAIR. Contains information on the diagnostic tests.
The diagnostic test descriptions, associated error indexes, and probable failure causes and
solutions are grouped by module name with page-bleed tabs. Also provided are recommended
repair practices for parts of the instrument not tested by diagnostics.
VOLUME 2
Section 9 - REPLACEABLE ELECTRICAL PARTS. Contains a list (including Tektronix part
numbers) of all replaceable electrical parts in the logic analyzers.
Section 10 - SCHEMATIC DIAGRAMS. Contains schematics as well as board and component
locator diagrams and tables. The schematic diamond numbers refer to instrument theory discus-
sions located in the Theory of Operation section.
Section 11 - REPLACEABLE MECHANICAL PARTS. Contains a list (including Tektronix part
numbers) of all replaceable mechanical parts in the logic analyzers and provides illustrations to
show the location of each of these parts.
Section 12 - GLOSSARY. Provides an alphabetical list of signal names and their corresponding
descriptions.
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