Tektronix WFM90D, Быстрый старт

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Remove and Replace
6- 18
WFM90D and WFM91D Service Manual
To replace the Input board, perform the following procedure:
1. Install the rear panel cover over the BNC connectors on the Input board.
2. Install the retaining nuts onto the three BNC connectors on the rear panel.
3.
Install the Input board assembly onto the back of the Bottom board.
4. Align the Backlight and Input boards with the slots in the bottom cover and
gently slide the boards into the bottom cover.
5.
Install the top cover. Refer to Top Cover on page 6--5.
6.
Install the battery cover. Refer to Battery Cover on page 6--18.
The battery cover assembly contains replaceable subparts. Procedures for
removing the subparts are included below.
Battery Cover. To remove the battery cover assembly, perform the following
procedure:
1. Turn the turnlock stud 1/4-turn counterclockwise.
2.
Pull outwards on the upper portion of the battery cover.
To replace the battery cover assembly, perform the following procedure:
1. Place the lower lip of the battery cover into the instrument housing and press
the top portion of the cover into the instrument. See Figure 6--8 on
page 6--19.
2. Secure the battery cover by turning the turnlock stud 1/4-turn clockwise.
Carrying Strap.
To remove the carrying strap, perform the following procedure:
1. Remove the battery cover. Refer to Battery Cover on page 6--18.
2.
To remove the carrying strap, remove the two retaining nuts on the inside of
the battery cover and pull the carrying strap off of the cover.
To replace the carrying strap, perform the following procedure:
1.
Insert the two standoff studs of the carrying strap through the battery cover
and install the two retaining nuts.
2. Install the battery cover. Refer to Battery Cover on page 6--18.
Battery Cover Assembly