Removal and Installation Procedures
TDS 420A, TDS 430A & TDS 460A Service Manual
6-51
A01 Backplane
Assembly
Lift latches (4)
to release the board.
Mounting
Screw (5)
Figure 6- 20: A01 Backplane assembly and its mount removal
g. Remove the five T15 TorxR screws mounting the board to the chassis.
h. Turn the digitizing oscilloscope so its bottom is facing down on the work
surface. Leave its front facing to the left.
i. Find the flex lock nearest the front of the digitizing oscilloscope. Using a
flat-bladed screwdriver, push the flex lock so it flexes enough to clear
the board.
j. While holding the flex lock, slightly pull up on the front corner of the
board nearest that retainer until the board clears that flex lock. Repeat for
the remaining three flex locks.
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