Manual Checks And Procedures - Keysight N9912A Service Manual

Repair and Replacement Procedures RF Analyzer
Post-Repair Procedures N9912A

Manual Checks and Procedures

Manual Check of Keyboard
Check that each key works properly. Check that the keyboard backlight LEDs come on when a key is
pressed.
Manual Check of LCD
Press Service (7) > Display, then use Display Colors and Brightness keys to exercise the display. Check for
even brightness in the LCD backlight.
Manual Check of RPG Operation
Activate a marker and use the RPG to move the marker.
Load Instrument Serial Number into the A5 System Board
Instructions for this process may be accessed via the "Load instrument serial number into System Board"
link at keysight.com/find/fieldfox2.
Install Firmware from SD Card
A specially configured SD card must be used when the flash memory on the A6 SOM board is new or when
the A6 SOM board memory has become corrupted.
Instructions for creating and using the SD card are available at the "SD card for installing firmware" link at
keysight.com/find/fieldfox2.
Compare Serial Numbers
Compare the serial number stored in the instrument memory with the serial number tag on the back of the
instrument.
To access the stored serial number, press:
System (7) > Service Diagnostics > System Information
Check Sound
Attempt to set a frequency to a value of "." (decimal point); a double beep should occur.
Re-Install Options
See the "Service Related User Operations" section of Chapter 8 for information on re-installing options.
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