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Main Page WARRANTY Page 2715 Spectrum Analyzer Service Manual i Table of Contents Specifications Operating Information Theory of Operation Circuit Description 3-9........................................ Performance Verification Adjustment Procedures Maintenance Options Replaceable Electrical Parts Diagrams Replaceable Mechanical Parts List of Figures Page Page Page List of Tables Page General Safety Summary ToAvoidFireor Personal Injury Symbols and Terms Service Safety Summary Page Preface Preface xiv 2715 Spectrum Analyzer Service Manual Contacting Tektronix Specifications Electrical Characteristics 1-2 2715 Spectrum Analyzer Service Manual Table1 -1: CATV Characteristics 2715 Spectrum Analyzer Service Manual 1-3 1-4 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 1-5 1-6 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 1-7 Figure 1- 1: TypicalAccuracy Limits for Carrier-to -NoiseMeasurem ent Figure 1- 2: TypicalAccuracy Limits for CTB Measurement 1-8 2715 Spectrum Analyzer Service Manual Figure 1- 3: TypicalAccuracy Limits for Nongated CSO Measurement Figure 1- 4: TypicalAccuracy Limits for Gated CSO Measurement 2715 Spectrum Analyzer Service Manual 1-9 Figure 1- 5: TypicalACL Measurement Limits for 2 dB Accuracy Figure 1- 6: TypicalD/U Measurement Range Limits for 2 dB Accuracy 1-10 2715 Spectrum Analyzer Service Manual Figure 1- 7: TypicalDigital Signal CSO Measurement Range Limit for 2 dB Accuracy Figure 1- 8: TypicalDigital Signal CTB Measurement Range Limit for 2 dB Accuracy 2715 Spectrum Analyzer Service Manual 1- 11 Table1 -2: Frequency-Related Characteristics 1-12 2715 Spectrum Analyzer Service Manual Table1 -2: Frequency-Related Characteristics (Cont .) 2715 Spectrum Analyzer Service Manual 1-13 Table1 -2: Frequency-Related Characteristics (Cont .) Table1 -3: Frequency/Amplitude Related Characteristics 1-14 2715 Spectrum Analyzer Service Manual Table1 -3: Frequency/Amplitude Related Characteristics (Cont.) Table1 -4: Amplitude-Related Characteristics 2715 Spectrum Analyzer Service Manual 1-15 1-16 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 1-17 Table1 -5: Input/Output Signal Characteristics 1-18 2715 Spectrum Analyzer Service Manual Table1 -5: Input/Output Signal Characteristics (Cont.) 2715 Spectrum Analyzer Service Manual 1-19 Table1 -5: Input/Output Signal Characteristics (Cont.) Table1 -6: Power Requirements Table1 -7: Supplementary Characteristics Due to Options 1-20 2715 Spectrum Analyzer Service Manual Table1 - 8: General Characteristics 2715 Spectrum Analyzer Service Manual 1-21 Table1 - 9: Environmental Characteristics 1-22 2715 Spectrum Analyzer Service Manual Table1 -9: Environmental Characteristics (Cont.) Table1 - 10: Physical Characteristics 2715 Spectrum Analyzer Service Manual 1-23 Table1 -11: Certifications and Compliances Page Operating Information Instrument Description Conformance to Industry Standards Product Service Instrument Construction Installation and Preparation for Use Power Cord Replacing the Fuse Selected Components Assembly and Circuit Numbering Accessories Menus Page SWP/TRG Menu Structure 2-6 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 2-7 UTIL Menu Structure (1 of 2) 2-8 2715 Spectrum Analyzer Service Manual UTIL Menu Structure (2 of 2) MRK/FREQ Menu Structure 2715 Spectrum Analyzer Service Manual 2-9 (1 of 3) 2-10 2715 Spectrum Analyzer Service Manual (2 of 3) 2715 Spectrum Analyzer Service Manual 2- 11 (3 of 3) 2-12 2715 Spectrum Analyzer Service Manual CAT V /APPL CAT V Measurements Page 2 Menu Structure (1 of 2) CATV/APPL CATV Measurements Page 2 Menu Structure (2 of 2) 2-14 2715 Spectrum Analyzer Service Manual CATV/APPL Applications Menu Structure DEMOD Menu Struc ture 2715 Spectrum Analyzer Service Manual 2-15 DSPL Menu Structure USERDEFMenuStructure 2-16 2715 Spectrum Analyzer Service Manual INPUTMenuStructure Theory of Operation Block Diagram Description Page What It Does How It Works Attenuator and Low Pass Filter 1st Converter and Bandpass Filter 2nd Converter RF Mother Board VariableResolution Module Log Amplifier Display Storage Center Frequency Control 1st LO 100 MHz Reference Oscillator Phase Gate Phase Lock Center Frequency Control (PLCFC) Firmware 1st LO Buffer Sweep Display System Circuit Description Attenuator and 1st Converter Step Attenuator Low Pass Filter 1st Converter Bandpass Filter RF Mother Board and Phase Locked 2nd LO Overview RF Mother Board Block Diagram Detailed Circuit Descriptions 1st LO Interface, 1st LO, and 1st LO Buffer Amplifier 1st LO Interface and 1st LO 1st LO Buffer Amplifier Reference Osc illator ~ Page Page Page Phase Lock Assembly (Center Frequency ControlSystem) Power Supply Regulation 1st LO Coil Drivers Current Source Page Strobe Frequency Generator (VCO Module) 1st LO Phase Lock Loop (Outer Loop) and Beat Note Processor Signal Path and Switching Summary Page 2715 Spectrum Analyzer Service Manual 3-29 Digital to Analog Conversion Digital Interface Summary of Digital Control Lines on Phase Lock Center Frequency Control Module Variable Resolution Module Input Amplifier PIN Attenuator RF Options 10 dB Gain Step Amplifier Routing Switches 1 dB Gain Step Amplifier Page Control System Interface Bandwidth Control Identification Bit Gain Stage Routing Switches Diagnostics Log Amplifier Hardware Flatness Error Correction Noise Filter Logarithmic Amplifier Stages Synchronous Detector Video Filter/ScaleFactor Ripple Filter Display Storage FM Detector Period Counter Signal Audio Amplifier Video Amplitude Calibrator System Reset Control System Interface Page Page Page Page Page Circuit Description Page Page Page Page Page Page Page Page Page Page Page Page Microprocessor 2715 Spectrum Analyzer Service Manual 3-61 Figure 3- 24: Microprocessor Block Diagram Microprocessor (CPU) Clock Generator Interrupt Controller I/O Subsystem Interface Memory Software Option Jumpers Programmable Interval Timer Frequency Counter System Page 3-68 2715 Spectrum Analyzer Service Manual Hardware Interface 2715 Spectrum Analyzer Service Manual 3-69 Table3 -19: Microprocessor Interface Connector ( J550) SignalNames and Definitions Connector Pinouts Page 3-72 2715 Spectrum Analyzer Service Manual Table3 -23: Pinout for the Microprocessor Board Test Connector (J150) (Cont.) Page GPIB, RS- 232, Real Time Clock,NVRAM, and Gated Measurement Functions Gated Measurement Function Instrument Bus Interface Real Time Clock EPROM NVRAM Battery Backup Circuit RS- 232 Serial Port Input Vector Register GPIB Interface Port Video Gating Control Register IF Gate System IF Gate Proper Video Demodulator Control Signal Conditioner 110MHzto45.7MHz Downconverter Video Detector Sync Separator Sweep AFC Lock Control Circuitry Page Page Front Panel Input Shift Registers Switch Matrix Page Gray Code Knob Service Request/Acknowledge Circuit Power Supply (Primaryand Secondary) Diagnostics and Testability Primary Page Secondary Power Supply (Display) VerticalD isplay Horizontal Display Z Axis Page Performance Verification Incoming Inspection Test Verification of Tolerance Values History Information Performance Verification Equipment Required Weinchel ModelAS- 6 Power-Up Procedure Front Panel Operation Performance Check Procedure Frequency Accuracy Resolution Bandwidth Shape Factor Short TermD rift Noise Sidebands Frequency Span/Div Accuracy Flatness Marker Operation Display Dynamic Range Accuracy Page Page Sensitivity Sensitivity at 1.8 GHz Sensitivity at 2.15 GHz (Option 50 and Option 75) Spurious Responses Page Intermodulation Products (IM) Harmonic Distortion 0 Hz Response Amplitude Local Oscillator (LO) Emission 1 dB Compression Point J103 Accessory Connector Page Sweep Rate and Accuracy Triggering Internal Calibrator Page AM and FM Audio Detectors Residual FM Page VSWR Signal Track GPIB Operation (Option 03) RS-232 Port (Option 08) Video Monitor Mode and TV Line Trigger Page Video Demodulator and Gating Verification Page 1st LO Output Level (Option 15) Page Adjustment Procedures Static Discharge Precautions 5-2 2715 Spectrum Analyzer Service Manual Recommended Test Equipment 2715 Spectrum Analyzer Service Manual 5-3 Table5 -1: Test Equipment (Cont.) Preparation Adjustments Requiring Flatness Correction 2715 Spectrum Analyzer Service Manual 5-5 Instrument Botto m View Figure 5-1: Instr ument Bottom View Sweep Board Power Supply Board Adjustments Power Supply and Deflection Page Page Page Page Page Sweep and Horizontal Deflection Amplifier Display Storage Page Page Locked 2nd LO Preset Phase Lock CFC Page Page 5 MHz Resolution Bandwidth Adjustment Log Board Adjustment Page Page Page Page Page VariableResolution and RF Option Filter Adjustments Page Page Page Page Page Locked 2nd LO Flatness Adjustment Page Service Normalization Page Page Setting of Reference Frequency Correction Bits Video Monitor Adjustment Page Page Page Video Demod Adjustment Procedure Page Page Page Page Page Page Page Amplitude Flatness Computer Setup and Software Installation Page Page Page Personal Computer Connections to Test Instrument Page 2715 Spectrum Analyzer Service Manual 5-59 Figure 5- 22: TestEquipment Character izationUsing a Dual Channel Power Meter for split75 5-60 2715 Spectrum Analyzer Service Manual Figure 5- 25: TestEquipment Character izationUsing a Dual Channel Power Meter for split50 Flatness Measurement Page Page Page Page Page Maintenance Static Sensitive Components Preventive Maintenance Cleaning Fixtures and Toolsfor Maintenance Page Page Troubleshooting Troubleshooting Aids Page Cal Debug Flags Troubleshooting Steps 2715 Spectrum Analyzer Service Manual 6-9 Table6 -2: Cal Debug Messages and Meanings 6-10 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 6- 11 6-12 2715 Spectrum Analyzer Service Manual Corrective Maintenance Replacing Surface Mounted Components Page Soldering Techniques Assembly Replacement RequiringFlatness Correction Removing and Replacing Assemblies and Subassemblies Removing the Instrument from its Cabinet Page Replacing the CRT Replacing the CRT Trace RotationCoil Replacing Semirigid Coaxial Cables Replacing the Front Panel Page Replacing the RF Deck 6-24 2715 Spectrum Analyzer Service Manual STEPATTENUATOR Figure 6- 8: Connector Locations on the RF Deck ASSEMBLY Page Replacing the 1st LO Replacing the Step Attenuator Replacing the 1st LO Buffer Amplifier Replacing the Fan Page 2715 Spectrum Analyzer Service Manual 6-29 Figure 6- 10: Fan and Fan Mounting Springs Detail Replacing the RF Mother Board Replacing the Power Supply Assembly Page Page Maintenance Adjustments Replacing the Batteries Beat Note Level Page Options Option 03 Option 05 Option 07 Option 08 Option 15 Option 30 Option 33 Option 34 Option 50 Option 75 Page Replaceable Electrical Parts Parts Ordering Information Using the Replaceable ElectricalParts List Abbreviations Component Number List of Assemblies Chassis Parts Mfr. Code to Manufacturer Cross Index 2715 Spectrum Analyzer Service Manual 8-3 Manufacturers Cross Index Code Manufacturer Address City,State, Zip Code 8-4 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-5 8-6 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-7 Replaceable Electrical Parts List Discontd Name& Description 8-8 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-9 8-10 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8- 11 8-12 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-13 8-14 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-15 8-16 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-17 8-18 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-19 8-20 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-21 8-22 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-23 8-24 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-25 8-26 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-27 8-28 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-29 8-30 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-31 8-32 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-33 8-34 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-35 8-36 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-37 8-38 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-39 8-40 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-41 8-42 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-43 8-44 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-45 8-46 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-47 8-48 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-49 8-50 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-51 8-52 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-53 8-54 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-55 8-56 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-57 8-58 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-59 8-60 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-61 8-62 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-63 8-64 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-65 8-66 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-67 8-68 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-69 8-70 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-71 8-72 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-73 8-74 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-75 8-76 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-77 8-78 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-79 8-80 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-81 8-82 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-83 8-84 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-85 8-86 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-87 8-88 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-89 8-90 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-91 8-92 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-93 8-94 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-95 8-96 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-97 8-98 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-99 8- 100 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-101 8- 102 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-103 8- 104 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-105 8- 106 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-107 8- 108 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-109 8-110 2715 Spectrum Analyzer ServiceManual 2715 Spectrum Analyzer Service Manual 8- 111 8-112 2715 Spectrum Analyzer ServiceManual Page 8-114 2715 Spectrum Analyzer ServiceManual 2715 Spectrum Analyzer Service Manual 8-115 8-116 2715 Spectrum Analyzer ServiceManual 2715 Spectrum Analyzer Service Manual 8-117 8-118 2715 Spectrum Analyzer ServiceManual 2715 Spectrum Analyzer Service Manual 8-119 8- 120 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-121 8- 122 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-123 8- 124 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-125 8- 126 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-127 8- 128 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-129 8- 130 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-131 8- 132 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-133 8- 134 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-135 8- 136 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-137 8- 138 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-139 8- 140 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-141 8- 142 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 8-143 Page Diagrams Page Replaceable Mechanical Parts Parts Ordering Information Using the Replaceable Mechanical Parts List Abbreviations Chassis Parts Mfr. Code to Manufacturer Cross Index 2715 Spectrum Analyzer Service Manual 10- 3 Manufacturers Cross Index Code Manufacturer Address City,State, Zip Code 10- 4 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10- 5 10- 6 2715 Spectrum Analyzer Service Manual Page 10- 8 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10- 9 10- 10 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10- 11 A21 Figure 10-2: Fr ont Panel A6 A5 10- 12 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10-13 10- 14 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10-15 A15A1 Figure 10-3: Power Supply 10- 16 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10-17 10- 18 2715 Spectrum Analyzer Service Manual A17 A14A1 Figure 10- 4: Chassis #1 A18 A16 2715 Spectrum Analyzer Service Manual 10-19 10- 20 2715 Spectrum Analyzer Service Manual 2715 Spectrum Analyzer Service Manual 10-21 10- 22 2715 Spectrum Analyzer Service Manual A13A1 Figure 10- 5: Chassis #2 A11 A7 2715 Spectrum Analyzer Service Manual 10-23 10- 24 2715 Spectrum Analyzer Service Manual Page Page Page Page WARRANTY Page 2715 Spectrum Analyzer Service Manual i Table of Contents Diagrams Diagrams and Circuit Board Illustrations 9--1..................... Page General Safety Summary ToAvoidFireor Personal Injury Symbols and Terms Service Safety Summary Page Preface Preface viii 2715 Spectrum Analyzer Service Manual Contacting Tektronix Diagrams and Circuit Board Illustrations Symbols Component Values Graphic Items and SpecialSymbols Used in This Manual Component Locator Diagrams 9-2 Figure 1-1: Interconnect Diagram, Part 1 9-3 Figure 1-2: Interconnect Diagram, Part 2 9-4 A18 RF Attenuator Component Locator Figure 1-3: A18 Step Attenuator BackFront Page 9-6 A16A1 1ST Converter Component Locator Figure 1-4: A16A1 1st Converter Page 9-8 A16A2 RF Input Component Locator Figure 1-5: A16A2 RF Input Page 9-10 A17 YIG Buffer Amplifier C omponent Locator Figure 1-6: A17 1st LO Buffer Amp Page 9-12 A19A1 1ST LO Component Locator Figure 1-7: A19A1 1st LO Interface Page Page Page Page Page 9-18 A12A1 Phaselock CFC Component Locator Figure 1-10: A12A1 Phaselock CFC Component Locator Page Page Page Page Page Page Page Page 9-27 A12A1 4 PHASELOCK CFC Page 9-29 5 A12A1 PHASELOCK CFC Page Page 9-32 A12A2 HF VCO Component Locator Figure 1-11:A12A2 HF VCO Page 9-34 A12A3 LF VCO Component Locator Figure 1-12: A12A3 LF VCO Page 9-36 Figure 1-13: A14 RF Mother 9-37 A14 RF Mother Component Locator Figure 1-14: A14 RF Mother Component Locator Page Page Page Page Page Page Page Page Page Page 9-48 Figure 1-15: A28 Video Demod 9-49 A28 Video Demod Component Locator Figure 1-16: A28 Video Demod Component Locator Page Page Page Page Page 2715 Spectrum Analyzer Service Manual 9-55 9-56 Figure 1-17: A11 Digital Options 9-57 A11 Digital Options Component Locator Figure 1-18: A11Digital Options Component Locator Page Page Page Page Page Page Page Page Page Page Page Page Page 9-71 A13 Variable Resolution Component Locator Figure 1-20: A13 VariableResolution Component Locat or Page Page Page Page Page Page Page Page Page Page Page 9-83 A23 RF Option Component Locator Figure 1-22: A23 RF Option Component Locator Page Page Page Page Page Page Page Page Page Page 9-94 A7 Log Amp Component Locator Figure 1-25: A7 Log Amp Component Locator Page Page Page Page Page Page Page Page Page Page Page Page Page 9- 108 A21 Reference Oscillator Component Locator Figure 1-26: A21 Reference Oscillator Page Page Page Page Page Page Page 9-116 A10 Microprocessor Component Locator Figure 1-29: A10 Microprocessor Component Locator Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 9- 134 Figure 1-30: A9 Display Storage Front 9- 135 Figure 1-31: A9 Display Storage Back 9- 136 A9 Display Storage Component Locator Figure 1-32: A9 Display Storage Component Locator Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 9- 153 Page Page Page Page Page Page 9- 160 A6 Front Panel Component Locator Figure 1-33: A6 Front Panel Page Page Page Page Page Page Page Page Page 9- 170 Figure 1-34: A5 Sweep 9- 171 A5 Sweep Component Locator Figure 1-35: A5 Sweep Component Locator Page Page Page Page Page Page Page Page Page Page 9- 182 2715 Spectrum Analyzer Service Manual Figure 1-36: A15A1 Power Supply board front (sections A, B) 9- 183 C Figure 1-37: A15A1 Power Supply board front (sections C, D) 9- 184 2715 Spectrum Analyzer Service Manual Figure 1-38: A15A1 Power Supply board back (sections A, B) 9- 185 C Figure 1-39: A15A1 Power Supply board back (sections C, D) and partial component locator Partial A15A1 Power Supply C omponent Locator 9- 186 2715 Spectrum Analyzer Service Manual A15A1 Power Supply Component Locator (cont.) Figure 1-40: A15A1 Power Supply component locator (cont.) 9- 187 Figure 1-41: A15A1 Power Supply Waveforms