TDS7104 & TDS7054 Service Manual
6-1
Maintenance
This section contains the information needed to do periodic and corrective
maintenance on the oscilloscope. The following subsections are included:
H Preventing ESD — General information on preventing damage by electros-
tatic discharge.
H Inspection and Cleaning — Information and procedures for inspecting the
oscilloscope and cleaning its external and internal modules.
H Removal and Installation Procedures — Procedures for the removal of
defective modules and replacement of new or repaired modules. Also
included is a procedure for disassembly of the oscilloscope for cleaning.
H Troubleshooting — Information for isolating failed modules. Included are
instructions for operating the oscilloscope diagnostic routines and trouble-
shooting trees. Most of the trees make use of the internal diagnostic routines
to speed fault isolation to a module.
H Repackaging Instructions — Information on returning an oscilloscope for
service.
Preventing ESD
Before servicing this product, read the Safety Summary and Introduction at the
front of the manual and the ESD information below.
CAUTION. Static discharge can damage any semiconductor component in this
oscilloscope.
When performing any service which requires internal access to the oscilloscope,
adhere to the following precautions to avoid damaging internal modules and their
components due to electrostatic discharge (ESD).
1. Minimize handling of static-sensitive circuit boards and components.
2. Transport and store static-sensitive modules in their static protected
containers or on a metal rail. Label any package that contains static-sensitive
boards.
3. Discharge the static voltage from your body by wearing a grounded antistatic
wrist strap while handling these modules. Do service of static-sensitive
modules only at a static-free work station.
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