Tableof C ontents

ii 2715 Spectrum Analyzer Service Manual

1st LO Interface, 1st LO, and 1st LO Buffer Amplifier 3-14..................
Reference Oscillator 3-16..............................................
Phase Lock Assembly (Center Frequency Control System) 3-21...............
VariableRe solution Module 3-33........................................
RF Options 3-35.....................................................
Log Amplifier 3-38...................................................
Display Storage 3-40..................................................
Microprocessor 3-60..................................................
GPIB, RS-232, Real Time Clock, NVRAM, and Gated Measurement Functions 3-74
Video Demodulator 3-78...............................................
Sweep 3-80.........................................................
Front Panel 3-83.....................................................
Power Supply (Primary and Secondary) 3-87..............................
Power Supply (Display) 3-91...........................................
Performance Verification
Incoming InspectionTest 4-1..........................................
Verificationof Tolerance Values 4-1....................................
History Information 4-1..............................................
Equipment Required 4-2..............................................
Power-Up Procedure 4-3..............................................
Front Panel Operation 4-4.............................................
Performance Check Procedure 4-4......................................
Adjustment Procedures
Static Discharge Precautions 5-1.......................................
Recommended Test Equipment 5-2.....................................
Preparation 5-4.....................................................
Adjustments Requiring Flatness Correction 5-4...........................
InstrumentBottom View 5-5..........................................
Adjustments 5-6....................................................
Maintenance
Static SensitiveComponents 6-1.......................................
PreventiveMaintenance 6-2...........................................
Troubleshooting 6-6.................................................
Cal Debug Flags 6-8.................................................
Corrective Maintenance 6-13...........................................
Assembly Replacement Requiring Flatness Correction 6-17...................
Removing andReplacing Assemblies and Subassemblies 6-17................
Maintenance Adjustments 6-33.........................................
OptionsReplaceable Electrical PartsDiagramsReplaceable Mechanical Parts