Removing And Replacing The A70 Or A75 Low Frequency Extension (Lfe) Board - Keysight Technologies N5247B Service Manual

Repair and Replacement Procedures

Removing and Replacing the A70 or A75 Low Frequency Extension (LFE) Board

Removing and Replacing the A70 or A75 Low Frequency Extension
(LFE) Board
Tools Required
— T-10 TORX driver (torque to 9 in-lb or 1.02 N.m)
— T-20 TORX driver (torque to 21 in-lb or 2.38 N.m)
— 5/16 inch open-end torque wrench (torque to 10 in-lb or 1.13 N.m)
— ESD grounding wrist strap
Removal Procedure
Refer to
page
procedure.
1. Disconnect the power cord.
2. Remove the outer cover. Refer to
3. Position the analyzer bottom side up.
4. Remove the A23 test set motherboard. Refer to
7-72
Figure 7-36 on page
7-76, Figure 7-40 on page
the A23 Test Set Motherboard" on page
7-73, Figure 7-37 on page
7-77, and Figure 7-41 on page 7-78
"Removing the Covers" on page
"Removing and Replacing
7-32.
Keysight N5247B Service Guide
7-74, Figure 7-39 on
for this
7-6.