Maintenance
1740A/1750A/1760 – Series Service Manual
6–15
First Seven Digits of the Part Number.
These digits make up the general part
number. They are often the same for several members of the same instrument
family. Always look up this number in the parts list. Be sure that it is for the
serial number of your instrument. See the Replaceable Electrical Parts list Serial
Number/Assembly Effective/Discontinued column for the range in which your
instrument serial number falls.
Part Number Suffix.
This portion of the part number often varies between
members of the same family to denote various types or because the circuit board
contains factory-modified circuitry. Always look up this number in the parts list.
Be sure that it is for the serial number of your instrument. See the Replaceable
Parts list Serial Number/Assembly Effective/Discontinued column for the range
in which your instrument serial number falls.
Having the four pieces of information from Table 6–8 plus the instrument type,
serial number, and software version number (if known) ensures that you will
receive the module required to return the instrument to complete operation.
Replacement parts are available through the local Tektronix field office or
representative. However, many common electronic parts are available through
local sources. Using a local source, where possible, will eliminate shipping
delays.
Changes to Tektronix instruments are sometimes made to accommodate
improved components, as they become available, and to improve circuit
performance. Therefore, it is important to include the following information
when ordering parts:
1. Part Number
2. Instrument Type or Number
3. Serial Number
4. Modification or Option Number (if applicable)
If a part has been replaced with a new or improved part, the new part will be
shipped (if it is a direct replacement). If not directly replaceable the local
Tektronix field office or representative will contact the customer concerning any
changes. After any repair, circuit readjustment may be required.
Factory Replacement
Parts
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Summary of Contents for 1740A Series
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