Post-Repair Procedures - Agilent Technologies E4991A Service Manual

Post-Repair Procedures

Post-Repair Procedures
Post-Repair Procedures
Table 8-1 Post Repair Procedures lists the required procedures that must be performed
after the replacement of an assembly, CPU, DIMM(Memory) or the EEPROM. These are
the recommended minimum procedures to ensure that the replacement is successfully
completed.
Table 8-1 Post-Repair Procedures
Replaced Required Adjustments
Assembly or Part Correction Constants (CC)
A1 Reference Perform the following required
Oscillator Board
adjustments using the A1 Adjustment in
Spot Adjustment of the program.
System Backup
A2 DC Bias Board Perform the following required
(Opt 001) adjustments using the A2 Adjustment in
Spot Adjustment of the program.
System Backup
Perform the following required
A3 Source Board
adjustments using the A3 Adjustment
and A2 Adjustment(Opt.001) in Spot
Adjustment of the program.
System Backup
308
A1 VCXO Frequency Adjustment
A3 Local Level Adjustment
A3 Output AGC Gain Adjustment
A3 Output Level Adjustment
A4 Local AGC Gain Adjustment
A4 Local level Adjustment
A4 IF Local AGC Gain Adjustment
Default Cal Coefficient Adjustment
A2 DC Bias Voltage Adjustment
A2 DC Bias Current Adjustment
A2 DC Bias RC Adjustment
A3 Local Level Adjustment
A3 Output AGC Gain Adjustment
A3 Output Level Adjustment
A4 Local AGC Gain Adjustment
A4 Local level Adjustment
A4 IF Local AGC Gain Adjustment
Default Cal Coefficient Adjustment
A2 DC Bias Voltage Adjustment
A2 DC Bias Current Adjustment
A2 DC Bias RC Adjustment
Verification
"To Execute the Internal Test" on page 172
"To Execute the External Test" on page 189
Frequency Accuracy Test
Power Level Accuracy Test
Impedance Measurement Accuracy Test
"To Execute the Internal Test" on page 172
"To Execute the External Test" on page 189
DC Bias Test
Impedance Measurement Accuracy Test
"To Execute the Internal Test" on page 172
"To Execute the External Test" on page 189
Power Level Accuracy Test
Impedance Measurement Accuracy Test
Frequency Accuracy Test
DC Bias Test
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