292 Chapter 6
Replacement Procedure
Digital Motherboard Replacement
Digital Motherboard Replacement
Tools Required
• TORX screwdriver, T10, T15, and T20
Removal Procedure
Refer to Figure 6-16 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 (refer to “Front Panel Removal” on page 267.)
• Removable Hard Disk Assembly (refer to “Removable Hard Disk Assembly Removal”
on page 268.)
• Power Supply Assembly (refer to “Power Supply Assembly Replacement” on
page 282.)
• Handler I/O board (refer to “Handler I/O Board Replacement” on page 286.)
• Digital Bridge board (refer to “Digital Bridge Board Replacement” on page 284.)
• PCI DSP Card and GPIB Card (refer to “PCI DSP Card and GPIB Card Replacement”
on page 290.)
• Fan Assembly (refer to “Fan Replacement” on page 308.)
Step 3. Disconnect all cables from the digital motherboard.
Step 4. Remove the eight TORX T10 screws (item 1) fastening the digital motherboard.
Step 5. Lift the digital motherboard slowly.
NOTE Don’t remove the CPU fan assembly and the DIMM memory from digital motherboard.
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