Technical data

Service Guide N5230-90025 7-59
PNA Series Microwave Network Analyzers Repair and Replacement Procedures
N5230C Post-Repair Procedures
A16 test set motherboard
Reinstall the serial number. (Refer
to “Installing or Changing a Serial
Number” in Chapter 8.)
Re-enable all hardware options.
(Refer to “Enabling or Removing
Options” in Chapter 8.)
The Operator’s Check
A17
a
QABC board
Source Calibration Adjustment
Receiver Calibration Adjustment
Frequency Accuracy Test
Source Maximum Power Output Test
The Operator’s Check
A19 or A18
a
MASS 26.5
(MASSQuad)
Source Calibration Adjustment
Receiver Calibration Adjustment
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output Test
Source Power Linearity Test
The Operator’s Check
A20 mixer brick (QuintBrick) Receiver Calibration Adjustment
Receiver Compression Test
Noise Floor Test
Calibration Coefficients Test
Dynamic Accuracy Test
A21, A22, A23 and A24 test port
couplers
Source Calibration Adjustment
Receiver Calibration Adjustment
Source Maximum Power Output Test
Calibration Coefficients Test
A25 or A26
a
60-dB source step
attenuator
Source Calibration Adjustment
Receiver Calibration Adjustment
Source Maximum Power Output Test
Calibration Coefficients Test
A29 reference switch No adjustment needed
The Operator’s Check
A41 hard disk drive
Restore previously saved receiver
calibration data
b
(or perform Receiver Calibration
Adjustment)
Read and write to the drive
B1 fan No adjustment needed Check for fan operation
Limiter, DC block No adjustment needed
The Operator’s Check
USB hub No adjustment needed Check for proper operation
Battery No adjustment needed None
a. When testing this assembly, the tests are performed on Port 3 for the second source path.
b. If a backup copy of receiver calibration data from the faulty disk drive is available, it can be copied to the
new disk drive. If not, new data must be generated by performing the “Receiver Calibration Adjustment.”
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures