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Figure 11-5. PLL Locked at Wrong Frequency

11-14 Synthesizer Section

Contents

Main Fia Page Certification Regulatory Information Warranty Assistance Safety Notes General Safety Considerations How to Use This Guide Documentation Outline Contents Page Page Page Page Page Page Page Page Page Figures Page Page Page Tables Page General Information Serial Numbers and Repair Information c!a Instrument Variations HP 85629B Test and Adjustment Module Service Kit Electrostatic Discharge Page Returning Instruments for Service Other Packaging r Page Table l-4. Recommended Test Equipment sources General Information Xecommendec PAT, WV General Information l-l 1 Recommended Use Xher 1-12 General Information Equipment 2ontroller Recommended Use ?robes Accessories General Information l-1 3 P,M,V 1-14 General Information PAM P,A General Information 1-15 P,A,V p,v Sales and Service Offices Table 1-5. Hewlett-Packard Sales and Service Offices US FIELD OPERATIONS Headquarters California, Northern General Information 1-17 China INTERCON Adjustment Procedures Page Page Table 2-1. Related Adjustments 2-4 Adjustment Procedures Table 2-1. Related Adjustments (continued) Adjustment Procedures 2-5 Table 2-2. Adjustable Components 2-6 Adjustment Procedures Table 2-2. Adjustable Components (continued) Adjustment Procedures 2-7 Table 2-3. Factory Selected Components 2-6 Adjustment Procedures Using the TAM Indicator Table 2-4. TAM Adjustments 2-10 Adjustment Procedures Table 2-5. Required Test Equipment for TAM 1 Adjustment Procedures 2-l Page 1. High Voltage Power Supply Adjustment J Page 2. Display Adjustment Preliminary Deflection Cutoff V Intensity Page Page 3. IF Bandpass Adjustment LC CURR IF STATE. AD3 Bandpass XTAL Bandpass Page 3. IF Bandpass Adjustment Procedures 2-25 Adjustment Table 2-10. Capacitor Part Numbers 4. IF Amplitude Adjustments Related Page A5 Attenuator 20. Press A5 l4ARKER IF STATE 5. DC Log Amplifier Adjustments Phase Limiter Linear 3. AD3 ON OFF AlI> IF 6. Sampling Oscillator Adjustment Sampling Match Sampler Page 7. YTO Adjustment YTO Coil Main Page 8. LO Distribution Amplifier Adjustment . 0 value for 1.45 BAND# DRIVE FOR Page 9. Frequency Response Adjustment Page REF LVL 10 MHz RF ADJ 2 MHz RF MHz YES STORE DATA MENU 10. Calibrator Amplitude Adjustment 11. 10 MHz Reference Adjustment-OCXO (Non-Option 103) Page Page 12. 10 MHz Reference Adjustment-TCXO (Option 103) Page 13. Demodulator Adjustment Page Page 14. External Mixer Bias Adjustment (Non-Option 327) 15. External Mixer Amplitude Adjustment (Non-Option 327) II Page Page 16. YIG-Tuned Filter/Mixer (RYTHM) Adjustment Page Page 17. 16 MHz PLL Adjustment (-1, REAR PANEL Page 18. 600 MHz Reference Adjustment Frequency Response Adjustment Software Getting Started Controller Spectrum Analyzers Warmup Time Connections Using Frequency Response Adjustment Software Program "FReEND8562" LOAD Conditions Entxy Change Change VERIFY-6XE Utils to Adjust Sensor VERIFY-6XE Utilities Adjust flagged MISSINGETE( View/Edit Cond List Equip. Frequency Response Adjustment Menu Softkeys Conditions Sensor Page Front End Cal (YIG-Tuned Filter/Mixer (RYTHM) and Frequency Response Adjustment) Page Frequency Response Adjustment Error Messages Page Page with Beginning Messages Variables Assembly Replacement Access to Internal Assemblies Cable Color Code Procedure I. Spectrum Analyzer Cover Procedure 2. Al Front Frame/Al8 CRT Page Page -0 Page Page Page Page Procedure 3. Al Al Keyboard/Front Panel Keys Procedure 4. AlA RPG Procedure 5. A2, A3, A4, and A5 Assemblies Page Procedure 5. A2, A3, A4, and A5 Assemblies P 17 /w4 3 Figure 4-8. Assembly Cables (1 of 2) Assembly Replacement 4- Page Page Page Procedure 6. A6 Power Supply Assembly Page Page Page Procedure 7. A6Al High Voltage Assembly Q\ oc 1 0 Page Procedure 8. A7 through Al3 Assemblies Procedure 6. A7 through Al3 Assemblies / Assembly Replacement 4-29 Figure 4-14. HP 6562E Assembly Locations n A7 First LO Distribution Amplifier A8 Low Band Mixer A9 Input Attenuator ! A10 YIG-Tuned Filter/Mixer (RYTHM) All YTO Al3 Second Converter Procedure 9. Al4 and Al5 Assemblies P I / I A) Page Procedure 9. Al4 and Al5 Assemblies k Assembly Replacement 4-39 00 * - . Procedure 10. Al6 Fast ADC and Al7 CRT Driver Page Procedure 11. Bl Fan Procedure 12. BTI Battery Procedure 13. Rear Frame/Rear Dress Panel Page Page Page Procedure 14. W3 Line Switch Cable i: Page Page Page Contact (without Tool) Cl Procedure 15. EEROM (A2U500) Procedure 16. A21 OCXO Page Repl.aceable Parts Mail-Order Parts List Format Firmware-Dependent Part Numbers Table 5-1. Reference Designations, Abbreviations and Multipliers Q Replaceable Parts 5-3 Table 5-1. Reference Designations, Abbreviations, and Multipliers (2 of 4) r 5-4 Replaceable Parts Table SQ Replaceable Parts 5-5 5-l. Q Reference Designations, Abbreviations, and Multipliers (3 of 4) Table 5-1. Reference Designations, Abbreviations, and Multipliers (4 of 4) X X 5-6 Replaceable Parts Z Table 5-2. Manufacturers Code List Refer to the Manufacturers Code List in the Table 5-3. Replaceable Parts I- Replaceable Parts 5-7 G - 5-8 Replaceable Parts Replaceable Parts 5-9 c D 4 G -r 5-10 Replaceable Parts c n - G - Replaceable Parts 5-l 1 ic - 9 5-12 Replaceable Parts - Replaceable Parts 5-13 5-14 Replaceable Parts Figure 5-1. Parts Identification, Assembly Mounting Replaceable Parts 5-15 Parts List, Cover Assembly 5-18 Replaceable Parts Parts List, Main Chassis Replaceable Parts 5-17 Parts List, RF Section 5-18 Replaceable Parts Parts List, Front Frame Qts 4 Replaceable Parts 5-19 Parts List, Front Frame (continued) Qty 5-20 Replaceable Parts Parts List, Rear Frame 5-21 Replaceable Parts Page Page / / 89 / r Figure 5-5 Parts Identification, Front Frame \ \\ \\ \ Major Assembly and Cable Locations Page Page Figure 6-1. Hinged Assemblies Figure 6-2. Top View (A2 Unfolded) 6-4 Major Assembly and Cable Locations Page Figure 6-4. Top View (A2, A3, A4, and A5 Unfolded) Major Assembly and Cable Locations 6-6 Figure 6-5. Bottom View (Al5 Unfolded) Major Assembly and Cable Locations 6-7 Figure 6-6. Bottom View (Al5 and Al4 Unfolded) 6-8 Major Assembly and Cable Locations Page I\\\ Figure 6-6. HP 6562E Front End 6-10 Major Assembly and Cable Locations Page General Troubleshooting Assembly Ribbon Points ACK) @AMPLIFIER IL \ r-------------- 7-4 General Troubleshooting Ezj$ NC I CABLE CONNECTIONS REAR PANEL J3 45 . Page (-xi--) . General Troubleshooting 7-7 pKEq m Troubleshooting to a Functional Section Table 7-1. Location of Assembly Troubleshooting Text General Troubleshooting 7-9 TAM (Test and Adjustment Module) w 1 Checks Isolation HP856lE PathFault TAM Requirements Page Automatic Fault Isolation Manual Probe Page Error Messages Multiple Viewing System Analyzer Programming Errors (100 to 150) (200 Errors 299) Page 302 OFF UNLK 303 XFR UNLK 306 FREQ ACC 304 ROL UNLK 305 FREQ ACC Page 313 FREQ ACC 314 FREQ ACC 316 FREQ ACC 315 FREQ ACC Page Page 333 600 UNLK 334 LO AMPL 337 FN UNLK 336 10 MHz Ref 335 SMP UNLK 351 SETL FLD 352 TWID FLD 359 SPAC CAL SMP CAL 354 LK ITERS Page Page Page Page Page Page Page Page 582 AMPL Al3J. , Page Page Battery Number Model Page User-Generated (900 Errors Block Diagram Description - - RF Page Page Synthesizer Page Page ADC/lnterface Controller Display/Power Page Page Page Page ADC/lnterface Section Trigger 16-Bit Post-Trigger Counter 15-Bit (32 K) ircular Section Address Counter Video Trigger Comparator Table 6-1. W2 Control Cable Connections 6-2 Table 6-1. W2 Control Cable Connections (continued) Section 6-3 ADC/lntetface Automatic Fault Isolation Table 8-2. Automatic Fault Isolation References Section 8-5 Table 8-3. TAM Tests versus A3 Test Connectors Section 8-8 Keyboard/RPG Problems Keyboard RPG Triggering or Video Gating Problems Page off grid DISPLAY (Yiiqx5q 2 3 4 Preselector Peaking Control (Real Time DAC) Flatness Control (RF Gain DACs) FLATNESS DATA. CAL DATA, FLATNESS, SERYICE A3 Assembly Video Circuits Offset/Log Expand Page Filter Buffer Filter Amplifier Positive/Negative NEG DETEXTOR Peak Reset Rosenfell Page Page A3 Assembly ADC Circuits Signals Start/Stop ASM Ramp Counter A3 Assembly Control Circuits Bus Analog Analog Bus Timing Strobe Select Al6 Assembly Fast ADC Circuits (Option 007) Amplifiers Scaling 8-Bit Flash Peak/Pit c Static K-Byte Al6 Assembly Fast ADC Control Circuits (Option 007) CPU Registers Table 8-13. Control Word at Primary Address (U3 and U4) (continued) Section 8-35 Clock 83DEO Rate Page Page Page ADC L!> (OPTION L L IF Section Page IL Page Table 9-2. TAM Tests versus Test Connectors IF Section 9-5 Table 9-2. TAM Tests versus Test Connectors (continued) 9-6 IF Section j+J- D- fist I w Troubleshooting Nude. with Cal Automatic IF Adjustment Parameters Adjusted Requirements Performance Test Failures Scale Uncertainty Log Amplifier (P/O A4 Assembly) Amplifier Linear Amplifiers I Off set Output AM/FM Counter Frequency Prescaler/Conditioner Demodulator 4.8 10.7 <300 4.8 10.8952 10.7 Input ERR 530 Synchronous set/Gain Off Compensation A5 IF Assembly Signature Page hP Figure 9-4. Detailed IF Adjust Signature (1) hP 9-24 IF Section Figure 9-5. Detailed IF Adjust Signature (2) Figure 9-6. Detailed IF Adjust Signature (3) t IF Section 9-25 Figure 9-7. Detailed IF Adjust Signature (4) Figure 9-8. Detailed IF Adjust Signature (5) Common 9-10, If the signature resembles Figure Signature l3klB tv IF Section 9-27 Figure 9-9. Noisy Signature Figure 9-10. Noise with Correct Shape II Figure 9-11. Region B Amplitude Variation Figure 9-12. Region B Amplitude Offset 9-28 IF Section Page Page Step Gains Cal Oscillator (P/O A4 Assembly) ERR 582 AMPL ERR 581 AMPL 1. Page IF ADJUSTSTATUS: 300 300 kHz, ADJUSTING IF: 3 FULL IF ADJ IF ADJUST STATUS: 1 RBW STATUS: 300 Hz RBW Page Figure 9-19. Output Waveform, 300 Hz Resolution Bandwidth II I I Figure 9-20. Failed Crystal Set Symptoms IF Section 9-37 Page Page Page Page Page Controller Section Blank Display Page Digital Signature Analysis (DSA) Display Problems PATTIE@. MORE CRT ADJ ICAL) Blanking Page Page III II I II I Page r-7 I7 Intensity or Page Analog Zero-Span Problems (Non-Option 007) [ms, (iJ, Frequency-Count Marker Problems Frequency Counter State- and Trace-Storage Problems Keyboard Problems Page II Synthesizer Section Page Page Table 11-2. Automatic Fault Isolation References 1 l-4 Synthesizer Section Table 11-2. Automatic Fault Isolation References (continued) l-5 1 Table 11-3. TAM Tests versus Test Connectors 1 l-6 Synthesizer Section Table 11-3. Synthesizer Section 11-7 TAM Tests versus Test Connectors (continued) Troubleshooting Test Setup Confirming a Faulty Synthesizer Section Page Page Page Page General PLL Troubleshooting Wrong at I--- - -h t Page Unlocked Reference PLL Page Page Third LO Driver Amplifier Unlocked Offset Lock Loop (Sampling Oscillator) 10. Measure the 296 MHz loop feedback signal at the following test point: 11-21 Synthesizer Section Page Unlocked YTO PLL jump r YTO an Page Page Page Page Page Unlocked Fractional N PLL an Confirming N Fractional vco Page Page Frequency Span Accuracy Problems First Determining Page Page Fractional N (LO First (All Spans) Page Page Phase Noise Problems Page Sampler and Sampler IF Sweep Generator Circuit A $?I I Al4 FREQUENCY ,CONTROL J ;P/O Al5 RF 11-49 MHz I CALIBRATOR AGC AMP SRD LO DRIVER MIXER PLL A21 OCXO Page Page RF Section Page Table 12-1. Automatic Fault Isolation References RF Section 12-3 Low Band Problems High Band Problems Low and High Band Problems A7 LO Distribution Amplifier 0 0 0 0 0 0l l3 A8 Low Band Mixer A9 Input Attenuator t-!-!-l Al3 Second Converter Page Al4 Frequency Control Assembly LODA Drive !A7 F 12-12 RF Section LO DISTRIBUTION Band-Switch YTF Driver Circuit fE 1111 12-14 RF Section l.OOV .&7 Page Al5 RF Assembly Third Converter Flatness Compensation Latches SIG (Option ID Page Page Figure 12-7. 10 MHz TTL Reference at 12-22 RF Section U304 Pin 13 RF Section 12-23 Page D.isplay/Power Supply Section a @I 42 :ONTROLLER A18Vl CRT DRIVER POWER SUPPLY ASSEMBLY Table 13-l. Wl Display/Power Supply Section 13-3 Power-Cable Connections Table 13-1. Wl 13-4 Display/Power Supply Section Power-Cable Connections (continued) Table 13-2. Automatic Fault Isolation References Blank (Using Display Blank Display Blanking Signal Display Distortion Focus Problems Intensity Problems Page A6 Power Supply Assembly Troubleshooting Check Power Kick-start/Bias Buck Regulator Page Page CRT Dropping Out Buck Converter DC-DC Page Page Page Component-Level Information Packets Table A-l. HP 8562 Spectrum Analyzer Documented Assemblies A-2 Component-Level Information Packets Table A-l. HP 8582 Spectrum Analyzer Documented Assemblies (continued) Component-Level Information Packets A-3 Page Index OCXO, 2-48 Index-l 3 300 4 4.8 B t3, Index-2 E F Index-3 H Index-4 J K Index-5 L M N P Index-6 OCXO, 2-48 2.02 >20 Index-7 52 z