Replacement - Keysight Technologies Option 503 Service Manual

Assembly Replacement Procedures
Motherboard Assembly
17.Refer to
Figure 16-90 Motherboard Assembly Removal

Replacement

1. Refer to
2. Refer to
3. Refer to
4. Replace the fan assembly. Refer to the
514
Figure 16-90. Remove the motherboard (1) by removing the four
screws (2) (0515-0372). Slide the motherboard back off the standoffs and
lift it up and out.
Figure 16-90. Place the motherboard (1) on standoffs and slide
into position in the chassis and replace the four screws (2) (0515-0372).
Torque to 9 inch-pounds.
Figure 16-89. Replace the left side chassis by replacing the nine
screws (0515-0372). Torque to 9 inch-pounds.
Figure 16-87. Replace the midplane bracket (1) by replacing the
eight screws (2) (0515-0372). Torque to 9 inch-pounds.
procedure.
Fan Assembly replacement
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