278 Keysight E5071C ENA Network Analyzers
Replacement Procedure
Front USB Board Replacement (A55)
6-
Front USB Board Replacement (A55)
Tools Required
• TORX screwdriver, T10, T15, and T20
•Flat edge screwdriver
• Hex key, 1.5 mm
Removal Procedure
Refer to Figure 6-43 for this procedure.
Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 203.
Step 2. Remove the front panel as described in “Front Panel Removal” on page 204.
Step 3. Remove the front panel cover as described in “Front Panel Cover Removal” on
page 270.
Step 4. Remove the inverter board as described in “Inverter Board Replacement” on
page 272.
Step 5. Remove the LCD as described in “LCD Replacement” on page 274.
Step 6. Remove the two TORX T10 screws (item 1) fastening the front panel.
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