Tektronix 1740A Series, User Manual

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Preface
xii 1740A/1750A/1760 – Series Service Manual
The specifications contained in the Specification section of this manual should
be used by the servicing technician. Its tables contain Performance Verification
step numbers to make it possible to document the test methods used to verify the
accuracy of the instrument.
The User manual contains some servicing instructions for quick, non dangerous
operations; however, the bulk of the servicing instructions are located in this
manual. Note that there are specific procedures for troubleshooting and
disassembly in this manual, they should only be attempted by competent service
technicians. Items in the maintenance section contain both Warnings and
Cautions that should be read and followed when performing maintenance on the
1740A/1750A/1760-Series of instruments.
The last sections of this manual contain the Replaceable Parts Lists, Circuit
Board Illustrations, and Schematic Diagrams needed to isolate and replace faulty
components. Note that replacement part ordering information can be found in
the Maintenance section of this manual.
Readjustment
These instruments are designed to be returned to operation within
stated specifications through a PC-based adjustment procedure. The disk holder
for this manual contains two computer disks: 1. A software disk containing
instruments operating software (Version 2.2 or greater). 2. A calibration
software disk.
An IBM compatible personal computer (PC) with a DOS 3.3 or higher operating
system, and a 3
1
/
2
inch high density floppy drive is required to perform the
readjustment procedure or reload the operating software.
The spare software disk is provided in the event that the Main circuit board,
which contains the software, requires replacement. In all cases the operating
software must be Version 2.2 or above to perform the Readjustment Procedure.
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