HP 70900B Service Manual page 106

If You Have Adjustment Procedure Failures
If You Have Adjustment Procedure Failures
If Adjustment 01. Video Processor Fails
If Adjustment 02. 100 MHz Reference/300 MHz Bandpass Filter Fails
If Adjustment 03. 300 MHz Bandpass Filter Fails
If Adjustment 04. Calibrator Output Frequency Fails
Troubleshooting 4-47