14 Chapter 1
Troubleshooting
Before You Start
Replacement Assemblies
The instrument assemblies are not repairable to the component level.
Refer to Chapter 3 to determine how to disassemble and assemble the
instrument. The following assemblies must be replaced as an assembly.
• A1 keyboard (does not include keypads)
• A2 flat panel display
• A3 front panel interface assembly (includes inverter boards)
• A4 disk drive assembly
• A6 power supply assembly
• A7 baseband I/Q assembly (Option B7C)
• A10 digital IF assembly
• A12 analog IF assembly
• A14 fan control board
• A15 daughter board
• A17 RF assembly
• A18 reference assembly
• A19 synthesizer assembly
• A21 motherboard
• A22 CPU (processor) assembly (does not include A22A1, -A2, or -A3)
• A22A1 DRAM card
• A22A2 Flash memory board
• A22A3 GP-IB capacitor board
• A25 SCSI board
• A27 rear panel connector board
• A3A1, A3A2 inverter board
After an Instrument Repair
If an instrument assembly has been repaired or replaced, perform the
related adjustments and performance verification tests, using the
N7812A E4406A Calibration Application Software. The software can be
downloaded via the web at
http://www.agilent.com/find/calibrationsoftware. Licenses to use the
software for each instrument can be purchased through an Agilent
Technologies Sales and Service office. Table 1-2 on page 18 details the
computer and test equipment needed to use the software.
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