Instruction manual

178 Chapter 6

Replacement Procedure

A1 Source Board Replacement

Tools Required

• TORX screwdriver, T10, T15, and T20

• Flat edge screwdriver

• Open-end torque wrench, 5/16 inch (set to 10 in-lb); or 8mm with 9.5in-lbs can be

alternatively used (for reconnecting SMA connector)

Removal Procedure

Refer to Figure 6-9 for this procedure.

Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 166

Step 2. Remove the front panel as described in “Front Panel Removal” on page 167.

Step 3. Remove the two TORX T10 screws (item 1) fastening the A1 source board on the rear

panel.

Step 4. Disconnect the all semi-rigid cables (item 2).

NOTE The label on the semi-rigid cable shows the last two digits of the part number.

Step 5. Remove the two TORX T10 screws fastening the source board angle (item 3).

Step 6. Slide out the A1 source board (item 4).

Step 7. Remove the two TORX T10 screws fastening the source board angle (item 5)

Replacement Procedure

Step 1. Reverse the order of the removal procedure.

NOTE Fasten the semi rigid cable using a torque wrench for replacement.