Chapter 7 197
Post-Repair Procedures
Post-Repair Procedures
7. Post-Repair Procedures
A3 ADC/DSP
Board
Perform the following required
adjustments using “A3 ADC/DSP” in
Spot Adjustment of the program.
Reference Frequency Adjustment
Pre-LO Sampler PLL BW Adjustment
Receiver DC offset Adjustment
Receiver RF Flatness Adjustment
Receiver IF Gain/Flatness Adjustment
Receiver RF Flatness Dir Adjustment
Receiver IF Gain/Flatness Dir
Adjustment
LO Sampler PLL BW Adjustment
Phase Noise BW Adjustment
FLL BW Adjustment
“Power On Test” on page 64
RF IN Port VSWR Test
Frequency Measurement Test
Power Measurement Accuracy Test
Phase Noise Accuracy Test
SSB Phase Noise Sensitivity Test
SA Relative Level Accuracy Test
A4/A5 Local
Synthesize module
Perform the following required
adjustments using “A4/A5 Local Synt”
in Spot Adjustment of the program.
Reference Frequency Adjustment
Pre-LO Sampler PLL BW Adjustment
Receiver DC offset Adjustment
Receiver RF Flatness Adjustment
Receiver IF Gain/Flatness Adjustment
Receiver RF Flatness Dir Adjustment
Receiver IF Gain/Flatness Dir
Adjustment
LO Sampler PLL BW Adjustment
Phase Noise BW Adjustment
FLL BW Adjustment
“Power On Test” on page 64
RF IN Port VSWR Test
Frequency Measurement Test
Power Measurement Accuracy Test
Phase Noise Accuracy Test
SSB Phase Noise Sensitivity Test
SA Relative Level Accuracy Test
A6 Phase Detector
Board
Perform the following required
adjustments using “A6 Phase Det” in
Spot Adjustment of the program.
Reference Frequency Adjustment
Pre-LO Sampler PLL BW Adjustment
Receiver DC offset Adjustment
Receiver RF Flatness Adjustment
Receiver IF Gain/Flatness Adjustment
Receiver RF Flatness Dir Adjustment
Receiver IF Gain/Flatness Dir
Adjustment
LO Sampler PLL BW Adjustment
Phase Noise BW Adjustment
FLL BW Adjustment
“Power On Test” on page 64
RF IN Port VSWR Test
Frequency Measurement Test
Power Measurement Accuracy Test
Phase Noise Accuracy Test
SSB Phase Noise Sensitivity Test
SA Relative Level Accuracy Test
Oven Ch1 No adjustment needed “To Check the Oven Ch1” on page 75
Oven Ch2 No adjustment needed “To Check the Oven Ch2” on page 76
Table 7-1 Post-Repair Procedures
Replaced
Assembly or Part
Required Adjustments
Correction Constants (CC)
Verification
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