Post-Repair Procedures - Keysight N9912A Service Manual

RF Analyzer
N9912A
Post-replacement Procedure
1. Reinstall the measurement group assemblies into the front case. Refer to
Group Assemblies as One Unit" on page
2. Combine the front and rear cases. Refer to

Post-Repair Procedures

After the replacement of an assembly, you must perform the service procedures in the order listed in
7-2.
Procedures referenced in this table are located in
otherwise.
Table 7-2 Related Service Procedures
Replaced Assembly
Main battery
RPG
RF OUT connector or
associated cable (W1)
replaced or disturbed.
RF IN connector or
associated cable (W2)
replaced or disturbed.
Front case (including A1
keypad)
A2 LCD
A3 front panel interface
board
A4 RF board
A5 system board
A6 SOM board
* Refer to the following manual checks and procedures for details.
Service Guide N9912-90003
7-35.
"Combining the Front and Rear Cases" on page
Adjustments, etc.
None needed.
None needed.
None needed.
None needed.
None needed.
None needed.
None needed.
All TME based adjustments that apply to the
installed option configuration.
First, load the instrument serial number into the
A5 system board.*
All TME based adjustments that apply to the
installed option configuration.
Install firmware from SD card.*
Re-install options.*
All TME based adjustments that apply to the
installed option configuration.
Repair and Replacement Procedures
Chapter 3, "Tests and Adjustments,"
TME Tests or Other Procedures
None needed.
Manual check of RPG operation.*
Error Terms test.
Station Calibration for tests.
Absolute Amplitude Accuracy Test.
Frequency Response Preamp Off test.
Frequency Response Preamp On test.
Manual check of keyboard.*
Manual check of LCD.*
Manual check of keyboard.*
Check for even brightness in LCD
backlight.*
Check sound.*
All TME based tests that apply to the
installed option configuration.
All TME based tests that apply to the
installed option configuration.
Compare serial numbers.*
All tests that apply to the installed
option configuration.
Post-Repair Procedures
"Reinstalling All Measurement
7-15.
Table
unless specified
7-37