2-40
Assembly Replacement
A18BT1
A18BT1
WARNING This battery contains lithium. Do not incinerate or puncture this battery.
Do not install this battery backwards. To dispose of the battery in a safe
manner, refer to Chapter , "Lithium Battery Disposal," on page 5-3.
Tools Required
• flat head screw driver
Removal Procedure
Refer to Figure 2-17 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to "Outer Instrument Cover" on page 2-5
and "Inner Instrument Cover" on page 2-7.
3. Position the signal generator with the front panel facing you.
4. Using the T-10 driver, remove the four screws from the Baseband Generator cover.
5. Disconnect the following ribbon cables:
• W19 from A18J2
• W66from A18P2
• W18 from A18J1
• W64 from A14J13
• W90 from A14J21
6. Lift the retention levers and disconnect the A18 CPU from the A31 Motherboard.
7. Lift the A18 CPU out of the slot.
8. Using the flat head screw driver, remove the A18BT1 by leveraging the battery out of the
battery’s socket.
Replacement Procedure
• To install the battery, the positive side is aligned with the positive sign on the A18’s battery clip.
• Reverse the remaining steps of the removal procedure.
• Perform the post-repair adjustments and performance tests that pertain to this removal
procedure.
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