94 Keysight E5061B Network Analyzers
Replacement Procedure
A52 Front Panel Interface Board / Key Pad Replacement
4-
A52 Front Panel Interface Board / Key Pad Replacement
Tools Required
• torque screwdriver, T8, T15 and T20
• torque screwdriver, T10 (set to 9 in-lb)
•hex key, 1.5 mm
•flat edge screwdriver
Removal Procedure
Refer to Figure 4-22 for this procedure.
Step 1. Remove the Outer Cover as described in “Outer Cover Replacement” on
page 55.
Step 2. Remove the Front Panel as described in “Front Panel Replacement” on
page 56.
Step 3. Remove the Touch Screen Control Board as described in “Touch Screen
Control Board Replacement” on page 89.
Step 4. Remove the Inverter Board as described in “Inverter Board Replacement” on
page 90.
Step 5. Remove the rotary knob (item 1) using hex key from the front panel.
Step 6. Disconnect the three connectors (item 2) of the cables.
Step 7. Remove the TORX T10 screw and washer (item 3) fastening the cable from
the LCD Assembly.
Step 8. Remove the 13th TORX T10 screws (item 4) fastening the A52 Front Panel
Interface Board.
Step 9. Remove the Key Pad (item 5) from the A52 Front Panel Interface Board while
noting 14 pins (item 6) of rear side on Key Pad.
Step 10. Remove the USB module (item 7) of the A52 Front Panel Interface Board
carefully.
Replacement Procedure
Step 1. Reverse the order of the removal procedure.
Set a torque to 9 in-lb for torque driver when fasten the TORX T10 screws
(item 3, and item 4).
Push the USB module (item 7) sufficiently to ensure connector is fully
insert.
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