Maintenance
Module Removal
WARNING. Only qualified personnel should perform service procedures. Before
performing th
is or any other procedure in this manual, read the General Safety
Summary and Service Safety Summary located at the beginning of this manual.
Also, to prevent possible injury to service personnel or damage to electrical
components, read Preventing ESD. (See page 19, Preventing ESD.)
To work on the instrument, place it face down in its protective front cover. You
can remove the tabs from the cover if you want to make it easy to move the
instrument in and out of the cover while working on it.
Figur
e3:Removingtabsfromthefrontprotectivecover
To re
move as assembly, refer to the module locator illustration. (See Figure 4
on page 24.)
You
can also refer to the exploded view diagrams and parts lists. (See page 31,
Replaceable Parts Lis t.) The parts lists show how many of each type of screw is
used to attach each replaceable module.
If you are disassembling the instrument for cleaning, refer to the Inspection and
Cleaning procedure for instructions. (See page 19, Inspection and Cleaning.)
WARNING. Before doing any procedure in this subsection, disconnect the power
cord from the line voltage source. Failure to do so could cause serious injury
or death.
Required Equipment
You will need a Torx-driver with a T-15 Torx tip to remove instrument screws.
MSO4000B and DPO4000B Series Digital Phosphor Oscilloscopes Service Manual 23
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