Removing And Replacing The Midweb And The B1 Fan - Agilent Technologies N5230A Service Manual

Repair and Replacement Procedures

Removing and Replacing the Midweb and the B1 Fan

Removing and Replacing the Midweb and the B1 Fan
Tools Required
• T-10 TORX driver (set to 9 in-lb)
• T-20 TORX driver (set to 21 in-lb)
• Pozidriv screw driver
• 5/16 inch open-end torque wrench (set to 10 in-lb)
• ESD grounding wrist strap
Removal Procedure
1. Disconnect the power cord.
2. Remove the front panel assembly. Refer to
Assembly" on page
3. Remove the outer and inner covers. Refer to
4. On the bottom side of the analyzer, remove the A25 step attenuator if one is present
(active configuration only). This is necessary to gain access to one of the midweb
mounting screws. Refer to
Step Attenuators (Option 1E1)" on page
5. On the bottom side of the analyzer, remove the A19 SSLAM. This is necessary to gain
access to one of the midweb mounting screws. Refer to
A19 SSLAM" on page
6. Remove the A4 power supply assembly. Refer to
Supply Assembly" on page
7. Remove the card cage boards (A5 through A10). Refer to
A5 through A10 Boards" on page
NOTE This procedure has two parts: removing the midweb and removing the fan
from the midweb. You must remove the midweb before removing the fan.
7-40
7-8.
"Removing and Replacing the A25 and A26 60-dB Source
7-24.
7-14.
7-16.
PNA Series Microwave Network Analyzers
"Removing and Replacing the Front Panel
"Removing the Covers" on page
7-30.
"Removing and Replacing the
"Removing and Replacing the A4 Power
"Removing and Replacing the
N5230A
7-6.
Service Guide N5230-90014