HP 8753E Service Manual page 573

Assembly
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ESD (electrostatic discharge) grounding wrist strap
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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.
Remove the screw (item 4) that attaches the lD5 assembly to the rear panel.
4.
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
(item 3) is on the BNC connector.
Assembly Replacement and Post-Repair Procedures