7
Maintenance
7-1
7.1 Introduction
This section of the manual will assist you in perform-
ing maintenance and troubleshooting of the Model
7001.
WARNING
The information in this section is in-
tended for qualiÞed service person-
nel. Some of these procedures may
expose you to hazardous voltages. Do
not perform these procedures unless
you are qualiÞed to do so.
Section 7 includes the following:
7.2 Service options:
Suggests courses of action for
obtaining service.
7.3 Static-sensitive devices:
Covers precautions nec-
essary when handling static-sensitive parts.
7.4 Routine maintenance:
Describes normal mainte-
nance items which you may expect to perform
during the life of the instrument.
7.5 Disassembly:
Describes removal of the case and
circuit boards from the instrument.
7.6 Diagnostics:
Describes running the built-in tests
of the circuitry and display.
7.7 Test descriptions and notes:
Provides details on
the diagnostic tests plus additional information
to assist you in isolating problems.
7.8 Troubleshooting:
Outlines a series of additional
checks and tests which may be used to diagnose
malfunctions.
7.2 Service options
You have several options for maintenance and repair of
the Model 7001. The choice will depend upon your
ability to diagnose the problems, as well as your repair
facilities:
1. You may return the entire instrument to Keithley.
2. If you have the necessary equipment and exper-
tise, you may perform your own routine mainte-
nance.
3. If repairs are needed and you can isolate a failure
to a speciÞc circuit board, you may contact
Keithley to obtain a replacement for the board.
Troubleshooting and diagnostic procedures in this
section are designed to help pinpoint problems to
the board level.
NOTE
The digital and display boards are
built using surface mount techniques,
and require specialized equipment
and skills for repair. Keithley recom-
mends that these repairs be referred to
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