198 Chapter 7
Post-Repair Procedures
Post-Repair Procedures
A22Power
Distribution Board
No adjustment needed Inspect the Booting Process
“Power On Test” on page 64
A50 Analog
Motherboard
No adjustment needed Inspect the Booting Process
When the symptom of failure is out of
specification, perform the performance test.
A20 Digital
Motherboard
Set jumpers and BIOS parameters on
the A20. For details, see “To configure
the A20 Digital Motherboard and
BIOS” on page 81.
Inspect the Booting Process
A21 PCI DSP Card Perform the following required
adjustments using “PCI DSP Card” in
Spot Adjustment of the program.
Writing ID
Inspect the Booting Process
“To Check the Front Panel” on page 72
“To Check the External Trigger Input” on
page 74
A22 Front Panel
Keyboard
No adjustment needed “To Check the Front Panel” on page 72
A24 GPIB Board No adjustment needed “To Check the GPIB” on page 75
USB (USBTMC)
Interface Card
No adjustment needed “To Check the USB (USBTMC) Interface
Card” on page 77
A23 24-bit I/O
Board
No adjustment needed “To Check the 24-bit I/O port” on page 75
A27 Removable
Hard Disk Drive
Perform “HDD” (Hard Disk Drive) in
Spot Adjustment of the program.
DC Control Voltage Adjustment
DC Power Voltage Adjustment
DC Power Current Adjustment
Reference Frequency Adjustment
Pre-LO Sampler PLL BW Adjustment
Receiver DC offset Adjustment
PM Offset Adjustment
PM Linearity Adjustment
PM Temp Adjustment
PM Flatness 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
Inspect the Booting Process
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
DC Power Voltage Test
DC Power Current Measurement Test
Table 7-1 Post-Repair Procedures
Replaced
Assembly or Part
Required Adjustments
Correction Constants (CC)
Verification
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