
To remove and replace an acquisition hybrid
CAUTION
ELECTROSTATIC DISCHARGE!
Use grounded wrist straps and mats when servicing the system board.
Electrostatic discharge can damage electronic components.
The system board does not need to be removed before replacing an
acquisition hybrid.
To Remove
1
Use a T-6 Torx driver to remove
two screws that secure the
heatsink spring, then remove the
heatsink.
2 Use a 3/16 hex driver to remove
two standoffs that secure the top
plate.
3 Use a T-6 Torx driver to remove
two screws that secure the top
plate.
4 Lift the hybrid off of the connector
assembly.
To Replace
The location of pins and other locator
features will guide the alignment of
parts. This assembly cannot be
assembled incorrectly without forcing.
1
Install the hybrid with the three
corner holes over the three large
locator pins.
2 Install the top plate with the three
cut-out corners over the three
locator pins.
CAUTION
Tighten the hybrid carefully. Excess
force or improper procedure may
break the hybrid, which is very
expensive to replace.
H9
Screws (2)
MP20
Heatsink
MP24
Bottom
Plate
System
Board
E1
Connector
A6 or A7
Acquisition
Hybrid
MP19
Standoff (2)
H8
Screws (2)
MP21
Heatsink
Spring
MP25
Top Plate
H10
Screws (2)
Figure 4-9
Service
Replacing Parts in the Oscilloscope
4-51
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