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Agilent Technologies E4400-90335 Refer to Table 4-5 and Figure 4-5.

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Replaceable Parts (ESG-AP and ESG-DP Series) ESG Family Signal Generators

Cables

4-14 Service Guide

Top View

Refer to Table 4-5 and Figure 4-5.

Table 4-5 Top View (ESG-AP Series)

Reference

Designator Part

Number Qty Description

A4W1*

*. This cable is not replaceable by itself. You must order the corresponding assembly.

(part of A4) 1 Power Supply (A4) to CPU /Mother boar d (A14J6)

A16W1*(part of A16) 1 Line Module (A16) to Power Supply (A4J1)

A16W2*(part of A16) 1 Line Module (A16) to Chassis Ground Post on Rear Pan el

A22 E4423-60024 1 YIG Output Loop Assembly

W35 8120-8789 1 Ribbon Cable, YIG Driver (A22) to Motherboard (A14, J26)

W36 8120-8784 1 Flexible Cable, Daughterboard (A15, YTO FM) to YIG Driver (A22)

W37 8120-8784 1 Flexible Cable, Daughterboard (A15, PH Lock) to YIG Driver (A22)

W38 8120-8788 1 Ribbon Cable, YIG Driver (A22) to YIG Driver Oscillator Assembly (part of

A22)

Contents

Main Page Page Page Page Page Page Page Page Page Page Before You Begin Troubleshooting Using this Service Guide to Troubleshoot ESG Family Signal Generators Initial Troubleshooting and RF Block Diagrams Signal Generator Options Signal Generator Options Initial Troubleshooting and RF Block Diagrams ESG Family Signal Generators Signal Generator Options 1-4 Page Page Page Contacting Agilent Technologies Check the Basics before Contacting Agilent Technologies Review the Warranty Calling Agilent Technologies Sales and Service Ofces Page Returning Your Signal Generator for Service Packaging the Signal Generator Equipment Required for Troubleshooting Initial Troubleshooting Step 1: Observe the Front and Rear Panel LEDs Step 2: Power On the Signal Generator and Check for Error Messages Page Step 4: Visually Check the Individual Voltage Supplies Step 5: Measure the Individual Voltage Supplies Page Page Step 6: Isolate the Failed Assembly Page Step 7: Check for Basic CPU Functionality Page Additional Information for Troubleshooting the ESG-AP and ESG-DP Series A SYNTHESIZER BOARD F f / ESG-A SERIES RF BLOCK DIAGRAM (STANDARD & OPTION 1E6) 2 A SYNTHESIZER BOARD X2 f 2 / ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN3 & UN4) A SYNTHESIZER BOARD ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN3 & UN4) F DATA GENERATOR BOARD f ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN8 or UN9) Rev C or D sk77c ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN8 or UN9 ) Rev C or D A SYNTHESIZER BOARD F DATA GENERATOR BOARD / ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7 with UN8) A SYNTHESIZER BOARD ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7 with UN8) F DATA GENERATOR BOARD f X2 / ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN8 or UN9) Rev B sk776b ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN8 or UN9) Rev B A SYNTHESIZER BOARD F DATA GENERATOR BOARD f X2 ESG-D SERIES RF BLOCK DIAGRAM (OPTION UND) A SYNTHESIZER BOARD I ESG-D SERIES RF BLOCK DIAGRAM (OPTION UND) f ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7, UN8/UN9, 300) sk7110b ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7, UN8/UN9, 300 ) A SYNTHESIZER BOARD F DATA GENERATOR BOARD / ESG-AP SERIES RF BLOCK DIAGRAM (STANDARD &1E6) H ATTENUATOR /RPP G PULSE MOD F OUTPUT ESG-DP SERIES RF BLOCK DIAGRAM K BERT MEASURMENT BOARD H BASEBAND GENERATOR BOARD J DATA GENERATOR BOARD ESG-DP SERIES RF BLOCK DIAGRAM (OPTION UN7) ESG-DP SERIES RF BLOCK DIAGRAM (OPTIONS UN8 or UN9) H BASEBAND GENERATOR BOARD J DATA GENERATOR BOARD ESG-DP SERIES RF BLOCK DIAGRAM (OPTION UND) H DUAL ARBITRARY WAVEFORM GENERATOR BOARD I J1 1 GHz In Page Before You Begin Troubleshooting Using this Chapter with Service Software Page A5 DUAL ARBITRARY WAVEFORM GENERATOR BLOCK DIAGRAM (OPTION UND) F USO_CLK 1 DATA SWITCH A5 DUAL ARBITRARY WAVEFORM GENERATOR BLOCK DIAGRAM (OPT UND) Page A7 BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN3 & UN4) DAC BURST MOD A7 BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN3 & UN4) I DATA GENERATION VCO Q DATA GENERATION DIGITAL INTERFACE A7 DBMIC BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN8 and UN9) GENERATOR INTERFACE sk758b A7 DBMIC BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN8 and UN9) MASTER CLOCK PLL VCO REFERENCE F Page Page A8 FLEX GENERATOR BLOCK DIAGRAM REV. C & D (OPTION UN8 & UN9) A8 FLEX GENERATOR BLOCK DIAGRAM REV. C & D (OPTION UN8 & UN9) MPU Service Guide 2-19 A9 Output ABUS Nodes (ESG-A Series) LOOP_INT POW_REF_2 A9 Output ABUS Nodes (ESG-A Series) (1 of 2) ALC_MOD BURST_MOD 2-20 A9 Output ABUS Nodes (ESG-A Series) (2 of 2) I Q PRE_LEVEL QUAD GAIN_DET GND REF_AM A9 OUTPUT BLOCK DIAGRAM (ESG-A SERIES) RF PATH BURST MOD DRIVE ALC HOLD ALC REFERENCE REFERENCE + AM + A9 Output ABUS Nodes (ESG-D Series) LOOP_INT POW_REF_2 A9 Output ABUS Nodes (ESG-D Series) (1 of 2) ALC_MOD BURST_MOD 2-24 A9 Output ABUS Nodes (ESG-D Series) (2 of 2)= I Q PRE_LEVEL QUAD GAIN_DET GND REF_AM A9 Output ABUS Nodes (ESG-AP, & ESG-DP Series) A9 OUTPUT BLOCK DIAGRAM (ESG-D, ESG-AP, & ESG-DP SERIES) A9 OUTPUT BLOCK DIAGRAM (ESG-D, ESG-DP, & ESG-DP SERIES) RF PATH BURST MOD DRIVE ALC HOLD ALC REFERENCE REFERENCE + AM A11 Reference ABUS Nodes (ESG-A & ESG-D Series) 10 MHz PLL & TO: LF OUT & FM1 MUX A11 REFERENCE BLOCK DIAGRAM (ESG-A & ESG-D SERIES) A11 Reference ABUS Nodes (ESG-AP & ESG-DP Series) 10 MHz PLL A11 REFERENCE BLOCK DIAGRAM (ESG-AP & ESG-DP SERIES) EXT REF DETECTION F 1 GHz PLL P2-7 P2-26 P2-6,21 P2-14,29 P2-4,19 P2-2,17 P2-1,16 A12 Synthesizer/Doubler ABUS Nodes (ESG-A & ESG-D Series) sk792b DIGITAL CARD CAGE F P2-1, 3, 5, 7, 9, 11, 13, 15 P3-1 P8-1 P1-1 DATA A14 CPU/Motherboard ABUS Nodes MEMORY SERIAL INTERFACE (INTERNAL) SWITCH & LEDS A14 CPU/MOTHERBOARD BLOCK DIAGRAM (1 OF 2) SWEEP RAMP INTERNAL MODULATION DAC CPU CLOCK A14 CPU/MOTHERBOARD BLOCK DIAGRAM (1 0F 2) A14 CPU/MOTHERBOARD BLOCK DIAGRAM (2 OF 2) LCD BRIGHTNESS DRIVER (FLUORESCENT) M6V RPG DECODER TO: LCD Page A21 DEMODULATOR BLOCK DIAGRAM (OPTION 300) POWER SUPPLY INPUTS BBG Filter Filter A22 YIG Driver ABUS Nodes (ESG-AP & ESG-DP Series) FM DRIVER DAC > EEPROM A22 YIG DRIVER BLOCK DIAGRAM YTO A23 Sampler ABUS Nodes (ESG-AP & ESG-DP Series) A23 SAMPLER (ESG-AP AND ESG DP SERIES) 44 .5 DAC f MICROWAVE SAMPLER SS VCO 600-900 MHz FRAC-N INPUT fif f YO PLL INTEGRATOR INTEGRATOR A23 SAMPLER (ESG-AP AND ESG DP SERIES) A24 Frac-N/Divider ABUS Nodes (ESG-AP & ESG-DP Series A24 FRAC-N/DIVIDER (ESG-AP & ESG-DP SERIES) F -1 3 DAC A24 FRAC-N/DIVIDER (ESG-AP & ESG-DP SERIES) FRAC-N SYNTHESIZER DAC POWER SUPPLY INPUTS DAC FM SUB SYSTEM Page Page sk779b ESG-A SERIES POWER SUPPLY AND GROUND INTERCONNECTS ENABLE GND P3-4 EXT1 ESG-D SERIES POWER SUPPLY & GROUND INTERCONNECTS (1 OF 2) DAUGHTER CARD CAGE POWER SUPPLY MOTHER BOARD HP-IB ESG-D SERIES POWER SUPPLY & GROUND INTERCONNECTS (1 OF 2) sk787b ESG-D SERIES POWER SUPPLY & GROUND INTERCONNECTS (2 OF 2) DIGITAL CARD CAGE DATA (OPTION(S) UN3/4-UN8/9) BASEBAND (OPTION(S) UN3/4-UN8/9) ESG-A SERIES MODULATION AND SIGNAL INTERCONNECTS DAUGHTER BOARD MOTHER BOARD DE sk780b C SYNTHESIZER BOARD ESG-D SERIES MODULATION AND SIGNAL INTERCONNECTS (1 of 2) sk791b C DAUGHTER BOARD MOTHER BOARD D E SYNTHESIZER BOARD OUTPUT BOARD OPTIONS UN8 AND UN9OPTIONS UN3 AND UN4 J1- J4,57 J1- J4,59 BURST_ENVELOPE P301-57 J1- J4,57 J1- J4,59 BURST_ENVELOPE P301-57 Page Ordering Information Call (800) 227-8164 to Order Parts Fast (U.S. Only) Save Money with Rebuilt-Exchange Assemblies Shipping the Defective Assembly Back to Agilent Technologies ESG Family Signal Generators Replaceable Parts (ESG-A and ESG-D Series) Service Guide 3-5 Abbreviations Used in Part Descriptions Abbreviations Reference Designations 3-6 Hardware Options Major Assemblies 3-8 Refer to Table 3-1 and Figure 3-1. Table 3-1 Top View Figure 3-1 Top View 3-10 Top View (ESG-D Series - Option 300) Refer to Table 3-2 and Figure 3-2. Table 3-2 Top View (ESG-D Series - Option 300) Page 3-12 Right Side Assemblies Refer to Table 3-3 and Figure 3-3. Table 3-3 Replaceable Assemblies, Right Side Figure 3-3 Right Side View Disassembled Front Panel View Refer to Table 3-4 and Figure 3-4. F igure 3-4 Disassembled Front Panel View Inside Rear Panel View Refer to Table 3-5 and Figure 3-5. Figure 3-5 Inside Rear Panel View Cables Top View (ESG-A Series) Refer to Table 3-6 and Figure 3-6. Page 3-18 Top View (ESG-D Series - Options UN3/4, UN7) Refer to Table 3-7 and Figure 3-7. Table 3-7 Top View (ESG-D Series - Options UN3/4, UN7) Page 3-20 Top View (ESG-D Series - Options UN7, UN8) Refer to Table 3-8 and Figure 3-8. Table 3-8 Top View (ESG-D Series - Options UN7, UN8) Page 3-22 Top View (ESG-D Series - Option UND) Refer to Table 3-9 and Figure 3-9. Table 3-9 Top View (ESG-D Series - Option UND) Page 3-24 Top View (ESG-D Series - Options UN3/4, UN7 with 1EM) Refer to Table 3-10 and Figure 3-10. Table 3-10 Top View (ESG-D Series - Options UN3/4, UN7 with 1EM) Page 3-26 Top View (ESG-D Series - Options UN7, UN8 with 1EM) Refer to Table 3-11 and Figure 3-11. Table 3-11 Top View (ESG-D Series - Options UN7, UN8 with 1EM) Page 3-28 Top View (ESG-D Series - Options UN7, UN8, UND) Refer to Table 3-12 and Figure 3-12. Table 3-12 Top View (ESG-D Series - Options UN7, UN8, UND) Page 3-30 Top View (ESG-D Series - Option UND with 1EM) Refer to Table 3-13 and Figure 3-13. Table 3-13 Top View (ESG-D Series - Option UND with 1EM) Page 3-32 Top View (ESG-D Series - Option 300) Refer to Table 3-14 and Figure 3-14. Table 3-14 Top View (ESG-D Series - Option 300) Page 3-34 Inside Front Panel View Refer to Table 3-15 and Figure 3-15. Table 3-15 Inside Front Panel View Page 3-36 Electronic Attenuator/RPP View Refer to Table 3-16 and Figure 3-16. Table 3-16 Electronic Attenuator/RPP View Page 3-38 Electronic Attenuator/RPP View (with Option 1EM) Refer to Table 3-17 and Figure 3-17. Table 3-17 Electronic Attenuator/RPP View (with Option 1EM) Page 3-40 Mechanical Attenuator Vi ew (Option UNB) Refer to Table 3-18 and Figure 3-18. Table 3-18 Mechanical Attenuator View (Option UNB) Page 3-42 Mechanical Attenuator Vi ew (Option UNB with 1EM) Refer to Table 3-19 and Figure 3-19. Table 3-19 Mechanical Attenuator View (Option UNB with 1EM) Page Pulse Modulator View (Option 1E6) Refer to Table 3-20 and Figure 3-20. Figure 3-20 Pulse Modulator View (Option 1E6) Hardware and Other Instrument Parts Top View Refer to Table 3-21 and Figure 3-21. Page Downconvertor View (Option 300) Disassembled Mechanical Attenuator View (Option UNB) Disassembled Pulse Modulator View (Option 1E6) Disassembled Pulse Modulator View (Option 1E6/UNB) Refer to Table 3-25 and Figure 3-25. Figure 3-25 Disassembled Pulse Modulator View (Option 1E6/UNB) Front Panel View (ESG-A Series) Refer to Table 3-26 and Figure 3-26. Page Front Panel View (ESG-D Series) Refer to Table 3-27 and Figure 3-27. Page 3-56 Disassembled Front-Panel View Refer to Table 3-28 and Figure 3-28. Table 3-28 Disassembled Front-Panel View Page Daughterboard Card Cage View Inside Rear-Panel View Rear-Panel View (ESG-A Series) Refer to Table 3-31 and Figure 3-31. Page 3-62 Rear-Panel View (ESG-A Series - Option 1EM) Refer to Table 3-32 and Figure 3-32. Table 3-32 Rear-Panel View (ESG-A Series - Option 1EM) Page 3-64 Rear-Panel View (ESG-D Series) Refer to Table 3-33 and Figure 3-33. Table 3-33 Rear-Panel View (ESG-D Series) Page 3-66 Rear Panel View (ESG-D Series - Option 1EM) Refer to Table 3-34 and Figure 3-34. Table 3-34 Rear Panel View (ESG-D Series - Option 1EM) Page Instrument Chassis with Top and Right-Side Hardware Refer to Table 3-35 and Figure 3-35. Page Power Supply Shield and Left-Side Hardware Motherboard and Bottom-Side Hardware Instrument Cover and Associated Parts Refer to Table 3-38 and Figure 3-38. Page Miscellaneous Accessories ESG Family Signal Generators Replaceable Parts (ESG-A and ESG-D Series) Service Guide 3-75 Documentation Refer to Table 3-40 and Table 3-41. Table 3-40 ESG Family Signal Generators Documentation 3-76 Table 3-41 Localized Documentation for ESG Family Signal Generators ESG Family Signal Generators Replaceable Parts (ESG-A and ESG-D Series) Service Guide 3-77 3-78 Electrostatic Discharge (ESD) Protective Supplies Table 3-43 Upgrade and Retrot Kits Refer to Table 3-42. Table 3-42 Electrostatic Discharge (ESD) Protective Supplies Upgrade and Retrot Kits Page Ordering Information Call (800) 227-8164 to Order Parts Fast (U.S. Only) Save Money with Rebuilt-Exchange Assemblies Shipping the Defective Assembly Back to Agilent Technologies ESG Family Signal Generators Replaceable Parts (ESG-AP and ESG-DP Series) Service Guide 4-5 Abbreviations Used in Part Descriptions Abbreviations Reference Designations 4-6 Hardware Options Major Assemblies 4-8 Refer to Table 4-1 and Figure 4-1. Table 4-1 Top View Page Right Side Assemblies Refer to Table 4-2 and Figure 4-2. Figure 4-2 Right Side View Disassembled Front Panel View Inside Rear Panel View Refer to Table 4-4 and Figure 4-4. Figure 4-4 Inside Rear Panel View Cables Refer to Table 4-5 and Figure 4-5. Page 4-16 Top View (ESG-DP Serie s - Options UN7, UN8) Refer to Table 4-6 and Figure 4-6. Table 4-6 Top View (ESG-DP Series - Options UN7, UN8) Page Top View (ESG-DP Serie s - Option UND) Refer to Table 4-7 and Figure 4-7. Page 4-20 Top View (ESG-DP Serie s - Options UN7, UN8 with 1EM) Refer to Table 4-8 and Figure 4-8. Table 4-8 Top View (ESG-DP Series - Options UN7, UN8 with 1EM) Page 4-22 Top View (ESG-DP Serie s - Options UN7, UN8, UND) Refer to Table 4-9 and Figure 4-9. Table 4-9 Top View (ESG-D Series - Options UN7, UN8, UND) Page Top View (ESG-DP Series - Option UND with 1EM) Refer to Table 4-10 and Figure 4-10. Page Side V i ew YIG Driver Assembly Refer to Table 4-11 and Figure 4-11. Page 4-28 Inside Front Panel View Refer to Table 4-12 and Figure 4-12. Table 4-12 Inside Front Panel View Page 4-30 Electronic Attenuator/RPP View Refer to Table 4-13 and Figure 4-13. Table 4-13 Electronic Attenuator/RPP View Page 4-32 Electronic Attenuator/RPP View (with Option 1EM) Refer to Table 4-14 and Figure 4-14. Table 4-14 Electronic Attenuator/RPP View (with Option 1EM) Page 4-34 Mechanical Attenuator Vi ew (Option UNB) Refer to Table 4-15 and Figure 4-15. Table 4-15 Mechanical Attenuator View (Option UNB) Page 4-36 Mechanical Attenuator Vi ew (Option UNB with 1EM) Refer to Table 4-16 and Figure 4-16. Table 4-16 Mechanical Attenuator View (Option UNB with 1EM) Page Pulse Modulator View (Option 1E6) Refer to Table 4-17 and Figure 4-17. Figure 4-17 Pulse Modulator View (Option 1E6) Hardware and Other Instrument Parts Top View Refer to Table 4-18 and Figure 4-18. Page YIG Driver View Disassembled Mechanical Attenuator View (Option UNB) Disassembled Pulse Modulator View (Option 1E6) Disassembled Pulse Modulator View (Option 1E6/UNB) Refer to Table 4-22 and Figure 4-22. Figure 4-22 Disassembled Pulse Modulator View (Option 1E6/UNB) Front Panel View (ESG-AP Series) Refer to Table 4-23 and Figure 4-23. Page Front Panel View (ESG-DP Series) Refer to Table 4-24 and Figure 4-24. Page 4-50 Disassembled Front-Panel View Refer to Table 4-25 and Figure 4-25. Table 4-25 Disassembled Front-Panel View Page Daughterboard Card Cage View Inside Rear-Panel View Rear-Panel View (ESG-AP Series) Refer to Table 4-28 and Figure 4-28. Page 4-56 Rear-Panel View (ESG-AP Series - Option 1EM) Refer to Table 4-29 and Figure 4-29. Table 4-29 Rear-Panel View (ESG-AP Series - Option 1EM) Page 4-58 Rear-Panel View (ESG-DP Series) Refer to Table 4-30 and Figure 4-30. Table 4-30 Rear-Panel View (ESG-DP Series) Page 4-60 Rear Panel View (ESG-DP Series - Option 1EM) Refer to Table 4-31 and Figure 4-31. Table 4-31 Rear Panel View (ESG-DP Series - Option 1EM) Page Instrument Chassis with Top and Right-Side Hardware Refer to Table 4-32 and Figure 4-32. Page Power Supply Shield and Left-Side Hardware Motherboard and Bottom-Side Hardware Instrument Cover and Associated Parts Refer to Table 4-35 and Figure 4-35. Page Miscellaneous Accessories ESG Family Signal Generators Replaceable Parts (ESG-AP and ESG-DP Series) Service Guide 4-69 Documentation Refer to Table 4-37 and Table 4-38. Table 4-37 ESG Family Signal Generators Documentation 4-70 Table 4-38 Localized Documentation for ESG Family Signal Generators ESG Family Signal Generators Replaceable Parts (ESG-AP and ESG-DP Series) Service Guide 4-71 Electrostatic Discharge (ESD) Protective Supplies Refer to Table 4-39. Upgrade and Retrot Kits Refer to Table 4-40. Page Page Assemblies That You Can Replace A1 Front Panel Board Page A2 Display Page Page A2DS1 Fluorescent Lamp A3 Inverter Page A4 Power Supply Page Page A4 Power Supply (with Option 1EM) Page Page A14 CPU/Motherboard Page Page Page Page Page A14BT1 Battery Page A14Q501 Transistor Page A15 Daughterboard Page Page Page A16 Line Module Page A17 and A18 Rear Panel Interface Boards Page A19 Reverse Power Protection (RPP) Page Page A20 Downconvertor A22 YIG Driver A25 Pulse Modulator Page A25 Pulse Modulator (with Option UNB) Page Page AT1 Electronic Attenuator/RPP Page AT1 Mechanical Attenuator Page Page Page B1 Small Fan Page B2 Large Fan Page Daughterboard Card Cage Boards Page Digital Card Cage Boards Page Front Panel Page Page Page Instrument Cover Page Rear Panel Page Page Page Rear Panel (with Option 1EM) Page Page Semi-Rigid Cables Page Performance Tests Service Guide 6-3 Table 6-1 Performance Tests for the ESG-A Series 6-4 Table 6-2 Performance Tests for the ESG-D Series Service Guide 6-5 Table 6-3 Performance Tests for the ESG-AP Series 6-6 Table 6-4 Performance Tests for the ESG-DP Series Adjustments 6-8 Table 6-5 Adjustments for the ESG-A Series Service Guide 6-9 Table 6-6 Adjustments for the ESG-D Series 6-10 Table 6-7 Adjustments for the ESG-AP Series Service Guide 6-11 Table 6-8 Adjustments for the ESG-DP Series Page Safety Notes General Safety Considerations Lithium Battery Disposal Warranty Page Notice Certication