186 Chapter 6
Replacement Procedure
A22 Front Keyboard Replacement
A22 Front Keyboard Replacement
Tools Required
• TORX screwdriver, T10, T15, and T20
• Flat edge screwdriver
• Open-end torque wrench, 5/16 inch (set to 1.02 N-m / 9.0 lb-in) (for reconnecting SMA
connector)
• Hex key, 1.5 mm
Removal Procedure
Refer to Figure 6-27 for this procedure.
Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 136.
Step 2. Remove the front panel as described in “Front Panel Removal” on page 138.
Step 3. Remove the front panel cover as described in “Front Panel Cover Removal” on page 180.
Step 4. Remove the inverter assemby as described in “A52 Inverter Assembly Replacement” on
page 182.
Step 5. Remove the knob (item 1) from switch rotary using the hex key.
Step 6. Disconnect the all cables (item 2) from the front panel keyboard.
Step 7. Remove the eight TORX T10 screws (item 3) fastening the front panel keyboard.
Step 8. Remove the keyboard rubber from the front panel keyboard.
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