Removing And Replacing The A19 Test Set Motherboard - Keysight N5264A Service Manual

Repair and Replacement Procedures

Removing and Replacing the A19 Test Set Motherboard

Removing and Replacing the A19 Test Set Motherboard
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— ESD grounding wrist strap
Removal Procedure
Refer to
1. Disconnect the power cord.
2. Remove the outer cover. Refer to
3. Position the measurement receiver bottom side up.
4. Disconnect ALL ribbon cables (item
5. Remove connector hardware (item
6. Remove connector hardware (item
7. Remove 10 screws (item
8. Slide the A19 test set motherboard toward the front of the instrument until
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests
7-28
Figure 7-13
for this procedure.
from the A19 test set motherboard.
connector.
the rear panel BNC connectors are free of the rear panel, then lift the
motherboard and remove it from the measurement receiver.
that pertain to this removal procedure. Refer to
"Removing the Covers" on page
①
) and ALL wire harnesses (item
③
) from 11 rear panel BNC connectors.
④
) from the rear panel TEST SET I/O
⑤
) from the A19 test set motherboard.
Keysight N5264A Service Guide
7-5.
➁
Table 7-2 on page 7-42.
)