Keysight N9912A Service Manual page 131

Rf analyzer
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Repair and Replacement Procedures
Post-Repair Procedures
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.
Keysight N9912A Service Guide
7-45

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