312 Chapter 6
Replacement Procedure
Analog Motherboard Replacement
Analog Motherboard Replacement
Tools Required
• TORX screwdriver, T10, T15, and T20
• Flat edge screwdriver
• Open-end wrench, 5/8 inch
• Open-end torque wrench, 5/16 inch (set to 1.08 N-m / 9.5 lb-in) (for reconnecting SMA
connector)
• Torque driver set, 5/16 inch (set to 1.08 N-m / 9.5 lb-in) (for reconnecting SMA
connector)
Removal Procedure
Refer to Figure 6-27 for this procedure.
Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 266.
Step 2. Remove the following assemblies.
• Front Panel Assembly (refer to “Front Panel Removal” on page 267.)
• Removable Hard Disk Assembly (refer to “Removable Hard Disk Assembly Removal”
on page 268.)
• Level Vernier Module (refer to “Level Vernier Module Replacement” on page 296.)
• Synthesizer Module (refer to “Synthesizer Module Replacement” on page 298.)
• Receiver Module (refer to “Receiver Module Replacement for 2-Port model” on
page 300 or “Receiver Module Replacement for 4-Port model” on page 302.)
Step 3. Remove the two TORX T10 screws (item 3) fastening the plate and remove it.
Step 4. Disconnect the flat cables connected to the analog motherboard (item 1, 2).
Step 5. Remove the six TORX T10 screws (item 4) fastening the rear cover.
Step 6. Disconnect the cable (item 5) connected to the analog motherboard when with option 1E5.
Step 7. Disconnect the cables (item 6, 7) connected to the analog motherboard.
Step 8. Remove the ten TORX T10 screws (item 8) fastening the analog mother board.
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