A26
High Stability Frequency Reference (Option
lD5)
Assembly
!bols
Required
n
T-10
TORX screwdriver
n
T-15
TORX screwdriver
n
Q/16-inch
hex-nut driver
n
ESD (electrostatic discharge) grounding wrist strap
Removal
1. Remove the rear panel (refer to “Rear Panel Assembly” in this chapter).
2. Disconnect
W30
from the high stability frequency reference board
(A26).
3. Remove the BNC connector nut and washer from the
u
10
MI-Ix
PRECISION
REFERENCE” connector (item 1) on the rear panel.
4.
Remove the screw (item 4) that attaches the
lD5
assembly to the rear
panel.
5. Remove the screw (item 2) that secures the high stability frequency
reference board (A26) to the bracket.
6. Slide the board out of the bracket. Be careful not to lose the plastic spacer
washer (item 3) that is on the BNC connector as the board is being removed.
Replacement
1. Reverse the order of the removal procedure.
Note
Before reinserting the high stability frequency reference board
(A26) into the bracket, be sure the plastic spacer washer
(item 3) is on the BNC connector.
M-58
Assembly Replacement and Post-Repair Procedures
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