Keysight N5227A Service Manual page 248
2-port and 4-port
pna microwave
network analyzer
10 mhz - 67 ghz
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Also See for N5227A:
- Installation and service manual (72 pages) ,
- Security features and document of volatility (34 pages) ,
- Service manual (370 pages)
Table of Contents
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Repair and Replacement Procedures
Removing and Replacing the A18 System Motherboard
17. Remove the three screws (item ➁) that secure the front bracket to the chassis left inner panel.
18. Remove six screws (item ③ ) that secure the A18 system motherboard to the chassis.
19. Slide the A18 system motherboard toward the rear of the analyzer to release it from the 15 keyhole
standoffs (item ④) on the chassis.
20. Lift the A18 system motherboard out of the analyzer.
21. Remove the twelve rubber grommets from the A18 system motherboard guide pins. Keep them for
reinstallation on the replacement motherboard.
Replacement Procedure
Reverse the order of the removal procedure.
1.
Perform the post-repair adjustments, verifications, and performance tests that pertain to this removal
2.
procedure. Refer to
Table 7-2 on page
7-12
7-54.
PNA Series Microwave Network Analyzers
Service Guide N5227-90001
N5227A
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Table of Contents
Troubleshooting
