Agilent Technologies 856290216 service manual Contents-5

RF Low		Band Check					7-15
Manual	Probe		Troubleshooting				7-15
RF Path	Fault		Isolation				7-16
Calibration Oscillator Troubleshooting Mode							7-16
Error Messages							7-17
Viewing Multiple Messages							7-17
Error Message Elimination							7-18
System Analyzer			Programming		Errors (100 to 150)		7-18
ADC Errors (200 to 299)							7-19
LO and	RF Hardware/Firmware Failures (300 to 399)						7-20
YTO Loop Errors (300 to					301)		7-20
Roller PLL Errors (302 to					316)		7-20
YTO Loop Errors (317 to					320)		7-23
Roller Oscillator Errors (321 to 329)							7-24
YTO Loop Error (331)							7-25
600 MHz		Reference		Loop	(333)		7-26
YTO Leveling Loop (334)							7-26
Sampling Oscillator (335)							7-26
10 MHz		Reference (336)					7-26
Fractional N PLL (337)							7-26
YTO Loop Settling				Errors	(351 to 354)		7-27
Sampling Oscillator (355)							7-27
Span Accuracy Calibration					Errors (356 to 361)		7-27
Automatic IF Errors (400 to 599)							7-28
System Errors (600 to 651)							7-37
Digital and		Checksum		Errors	(700 to 799)		7-37
EEROM		Checksum		Errors	(700 to 704)		7-37
Program ROM Checksum					Errors (705 to 710)		7-38
RAM Check Errors (711 to 716)							7-39
Microprocessor Error (717)							7-39
Battery Problem (718)							7-39
Model Number Error (719)							7-39
System Errors (750 to 759)							7-40
Fast ADC Error (760)							7-40
Option Module Errors (800 to						899)	7-40
User-Generated Errors (900 to						999)	7-41
Block Diagram Description							7-42
RF Section							7-43
A7 SLODA							7-43
A8 Low Band Mixer							7-43
A9 Input		Attenuator					7-44
A10 YIG-Tuned Filter/Mixer							7-44
All YTO							7-44
Al3 Second Converter							7-44
Second IF Amplifier (part of A15)							7-44
Third Converter (part of A15)							7-45
Flatness Compensation Amplifiers (part of A15)							7-45
Synthesizer		Section					7-46
Sweeping the First LO							7-46
Reference		PLL (part		of A15)			7-46
YTO PLL (A7, All, part of						A14, part of A15)	7-46

Contents-5