7-82 Service Guide E8364-90026
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Post-Repair Procedures E8362B, E8363B, E8364B
A35 receiver
motherboard
Receiver Calibration
Adjustment
The Operator’s Check
A36 and A37 60-dB
source step attenuators
Source Calibration
Adjustment
Phase Lock IF Gain
Adjustment
Source Power Accuracy Test
System Crosstalk Test
Calibration Coefficient Test
A38 and A39 bias tees
Source Calibration
Adjustment
Phase Lock IF Gain
Adjustment
Source Power Accuracy Test
Calibration Coefficient Test
A40 floppy disk drive No adjustment needed Read and write to the drive
A41 hard disk drive
Restore previously saved
receiver calibration data
a
(or perform Receiver
Calibration Adjustment)
Read and write to the drive
A43 and A44 35-dB
receiver step attenuators
Receiver Calibration
Adjustment
The Operator’s Check
System Crosstalk Test
A45 and A46 reference
channel transfer
switches
Source Calibration
Adjustment
Phase Lock IF Gain
Adjustment
Receiver Calibration
Adjustment
The Operator’s Check
System Crosstalk Test
A47 and A48 couplers
Source Calibration
Adjustment
Phase Lock IF Gain
Adjustment
Receiver Calibration
Adjustment
The Operator’s Check
System Crosstalk Test
A49 IF multiplexer board
Phase Lock IF Gain
Adjustment
The Operator’s Check
B1 fan No adjustment needed Check for fan operation
USB hub No adjustment needed Checking the USB Ports
Battery No adjustment needed
None
a. 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
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