Assembly Replacement and Post-Repair Procedures
High Stability Frequency Reference (Option 1D5) Assembly
High Stability Frequency Reference (Option 1D5)
Assembly
Tools Required
• T-10 TORX screwdriver
• T-15 TORX screwdriver
• 9/16-inch hex-nut driver
• ESD (electrostatic discharge) grounding wrist strap
Removal
1. Remove the rear panel (refer to
2. Disconnect W30 from the high stability frequency reference board (A26).
3. Remove the BNC connector nut and washer from the 10 MHz PRECISION
REFERENCE connector (item 1) on the rear panel.
4. Remove the screw (item 4) that attaches the 1D5 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.
14-40
"Rear Panel Assembly" on page
14-14).
Chapter 14