Chapter 6 195
Replacement Procedure
Digital Motherboard Replacement (A01)
6. Replacement Procedure
Digital Motherboard Replacement (A01)
Tools Required
• TORX screwdriver, T10, T15, and T20
Removal Procedure
Refer to Figure 6-17 for this procedure.
Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 167
Step 2. Remove the following assemblies.
• Front Panel (refer to “Front Panel Removal” on page 168.)
• Removable Hard Disk Assembly (refer to “Removable Hard Disk Assembly Removal
(Obsolete)” on page 169.)
• Power Supply Assembly (refer to “Power Supply Assembly Replacement” on
page 183.)
• Handler I/O board (refer to “Handler I/O Board Replacement (A25)” on page 189.)
• Digital Bridge board (refer to “Digital Bridge Board Replacement (A53)” on
page 187.)
• PCI DSP Card and GPIB Card (refer to “PCI DSP Card and GPIB Card Replacement
(A51)” on page 193.)
• Fan Assembly (refer to “Fan Replacement” on page 224.)
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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