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Keysight E8257D/67D User Manual

Keysight E8257D/67D
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Keysight X-Series
Signal Generators
E8257D/67D, E8663D
Notice: This document contains references to Agilent.
Please note that Agilent’s Test and Measurement busi-
ness has become Keysight Technologies. For more in-
formation, go to www.keysight.com.
Service Guide

Table of Contents

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Keysight E8257D/67D Specifications

General IconGeneral
ModulationAM, FM, Pulse
InterfaceGPIB, LAN
Harmonics at 1 GHz<-30 dBc
Harmonics<-30 dBc at 1 GHz
Storage Temperature-40 °C to +70 °C
Phase Noise-136 dBc/Hz at 10 GHz, 10 kHz offset

Summary

Troubleshooting

Electrostatic Discharge (ESD) Information

Information on ESD protection and static-safe workstations.

Getting Started with Troubleshooting

Guidance on initiating troubleshooting steps and using the provided tables.

Running Self–Test

Procedure to run instrument self-tests to diagnose issues.

A18 CPU Turn–On Test

Steps to verify the A18 CPU's operation during power-on.

Failure Symptoms

Common symptoms indicating potential failures of the A18 CPU.

A18 CPU Fails to Complete the Turn–On Check

Steps to diagnose when the A18 CPU fails its turn-on sequence.

Self–Test Failures and Related Troubleshooting

Table mapping self-test failures to troubleshooting sections.

Troubleshooting Assembly–Level Problems

Section covering troubleshooting of individual assemblies within the instrument.

Front–Panel Display Assembly Troubleshooting

Detailed troubleshooting for the front panel display assembly.

Power Supply Troubleshooting

Steps to diagnose and resolve power supply issues.

Troubleshooting the RF Path

Detailed guide for troubleshooting the RF signal path.

Troubleshooting Harmonic Spurious

Identifying and resolving harmonic spurious signals.

Troubleshooting Non–Harmonic Spurious

Identifying and resolving non-harmonic spurious signals.

Troubleshooting Unlevels

Procedures for resolving unleveled output power conditions.

Troubleshooting Unlocks

Procedures for resolving unlock conditions in the signal generator.

Troubleshooting Adjustment Problems

Steps to address issues with instrument adjustments.

Troubleshooting Performance Test Problems

Methods for troubleshooting performance test failures.

Contacting Agilent Technologies

Information on how to contact Agilent for support.

Replaceable Parts

Ordering Information

Information on how to order replacement parts.

Frequency, Hardware, and Personality Options

Lists available options for the signal generator.

Assemblies

Lists and describes the various assemblies within the instrument.

Assemblies from the Inside Front Panel View

Illustration and identification of assemblies viewed from the inside front panel.

Assemblies from a Top View (E8257D Option 520/540 and E8663D)

Illustration of assemblies viewed from the top for specific models/options.

Assemblies from a Microcircuit Deck View (E8257D Option 520/540 and E8663D)

Illustration of assemblies from the microcircuit deck view.

Assemblies from a Bottom View (E8257D and E8663D)

Illustration of assemblies viewed from the bottom.

A18BT1 Lithium Battery

Information and replacement procedure for the A18BT1 Lithium Battery.

Hardware

Lists hardware components and their associated part numbers and locations.

Front Panel View

Diagram showing the front panel components and their labels.

Disassembled Front Panel View

Exploded view of the front panel assembly, detailing components.

Disassembled Rear Panel View

Exploded view of the rear panel assembly, detailing components.

Disassembled AT1 90dB/115dB Attenuator View (Option 1E1)

Disassembled view and part details for the AT1 Attenuator with Option 1E1.

Disassembled A24 50GHz Highband Coupler and A25B Highband Detector Bias Board

Disassembled view and part details for A24 50GHz Coupler and A25B Bias Board.

Disassembled A24 67GHz Highband Coupler and A25B Highband Detector Bias Board

Disassembled view and part details for A24 67GHz Coupler and A25B Bias Board.

Microcircuit Interface Deck Top View

Top view diagram of the microcircuit interface deck.

Main Chassis and MID Bottom View

Bottom view diagrams of the main chassis and MID.

B1 Fan

Procedure for removing and replacing the B1 Fan.

Assembly Replacement

Before You Replace an Assembly

Important safety precautions and pre-replacement checks.

After Replacing or Repairing an Assembly

Steps to follow after replacing or repairing an assembly, including tests.

Assemblies That You Can Replace

A list of replaceable assemblies within the instrument.

Outer Instrument Cover

Procedure for removing and replacing the outer instrument cover.

Inner Instrument Cover

Procedure for removing and replacing the inner instrument cover.

Front Panel

Procedure for removing and replacing the front panel assembly.

A1 Keyboard

Procedure for removing and replacing the A1 Keyboard.

A2 Display

Procedure for removing and replacing the A2 Display.

A3 Power Switch

Procedure for removing and replacing the A3 Power Switch.

A5 Sampler, A6 Frac–N, A7 Reference (Standard and Option UNR/UNX/UNY), A8 Output, A45 Frac- N and A46 Offset

Removal procedures for multiple assemblies including Sampler, Frac-N, Reference, Output, and Offset.

A10 ALC

Procedure for removing and replacing the A10 ALC assembly.

A13 I/Q MUX (E8267D Standard or with Option 015) (Serial Prefixes <US4722/MY4722)

Procedure for replacing A13 I/Q MUX for specific E8267D models and serial prefixes.

A13 I/Q MUX (E8267D Standard or with Option H16/016) (Serial Prefixes >=US4722/MY4722)

Procedure for replacing A13 I/Q MUX with specific options and serial prefixes.

A27 40 GHz Doubler (Option 540)

Procedure for replacing the A27 40 GHz Doubler with Option 540.

A27 40 GHz Doubler (Options 532 and 544 only)

Procedure for replacing the A27 40 GHz Doubler with specific options.

A30 Modulation Filter (Standard and Option 1EA/1EU)

Procedure for replacing the A30 Modulation Filter with specific options.

A31 Motherboard (E8257D & E8663D)

Procedure for replacing the A31 Motherboard for E8257D and E8663D models.

A31 Motherboard (E8267D)

Procedure for replacing the A31 Motherboard for E8267D models.

A33 6dB PAD (Options 503, 509, 520, and 521)

Procedure for replacing the A33 6dB PAD with specific options.

A33 10dB PAD (Options 532 and 544)

Procedure for replacing the A33 10dB PAD with specific options.

Rear Panel (Standard)

Procedure for removing and replacing the standard rear panel.

Rear Panel (Option 1EM)

Procedure for removing and replacing the rear panel with Option 1EM.

A35 3–20 GHz I/Q Modulator (E8267D Only - Standard or with Option 015)

Procedure for replacing the A35 I/Q Modulator on E8267D models with specific options.

A35 3–20 GHz I/Q Modulator (E8267D Only - Standard or with Option H16/016) (Serial Prefixes >=US4722/MY4722)

Procedure for replacing the A35 I/Q Modulator with specific options and serial prefixes.

A36 Quadraplier (Options 550 and 567)

Procedure for replacing the A36 Quadraplier with specific options.

A37 Upconverter (E8267D Only)

Procedure for replacing the A37 Upconverter on E8267D models.

A38 Lowband Switch Filter

Procedure for removing and replacing the A38 Lowband Switch Filter.

A39 Directional Sweep Coupler

Procedure for removing and replacing the A39 Directional Sweep Coupler.

A40 Compact Flash Drive Assembly

Procedure for removing and replacing the A40 Compact Flash Drive Assembly.

A41 Flash Drive Door Assembly

Procedure for removing and replacing the A41 Flash Drive Door Assembly.

A42 20 GHz Power Amp (Option 521)

Procedure for replacing the A42 20 GHz Power Amp with Option 521.

A43 Lowband Amp Filter

Procedure for removing and replacing the A43 Lowband Amp Filter.

A44 Scan Modulation Bias Adapter (E8257D-520 and E8663D Only)

Procedure for replacing the A44 Scan Modulation Bias Adapter.

AT1 90 dB Attenuator

Procedure for removing and replacing the AT1 90 dB Attenuator.

AT1 115 dB Attenuator

Procedure for removing and replacing the AT1 115 dB Attenuator.

AT1 90 dB Attenuator (Option 1EM)

Procedure for replacing the AT1 90 dB Attenuator with Option 1EM.

AT1 115 dB Attenuator (Option 1EM)

Procedure for replacing the AT1 115 dB Attenuator with Option 1EM.

Post–Repair Procedures

Post Repair Adjustments: Assemblies A1—A12 (For Prefixes < xx4928)

List of post-repair adjustments for assemblies A1-A12 for specific serial prefixes.

Post Repair Adjustments: Assemblies A13—A26 (For Prefixes < xx4928)

List of post-repair adjustments for assemblies A13-A26 for specific serial prefixes.

Post Repair Adjustments: Assemblies A27—A40, AT1, B1, and RF Output Connector (For Prefixes < xx4928)

List of post-repair adjustments for assemblies A27-A40, AT1, B1, and RF Output Connector.

Post- Repair Adjustments: Assemblies A1—A11 (For prefixes >= xx4928)

List of post-repair adjustments for assemblies A1-A11 for specific serial prefixes.

Post- Repair Adjustments: Assemblies A13—A26 (For prefixes >= xx4928)

List of post-repair adjustments for assemblies A13-A26 for specific serial prefixes.

Post- Repair Adjustments: Assemblies A27—A46, AT1, B1, and RF Output Connector (For prefixes >= xx4928)

List of post-repair adjustments for assemblies A27-A46, AT1, B1, and RF Output Connector.

Performance Tests: Assemblies A1—A17 (For Prefixes < xx4928)

List of performance tests for assemblies A1-A17 for specific serial prefixes.

Performance Tests: Assemblies A18—A29 (For Prefixes < xx4928)

List of performance tests for assemblies A18-A29 for specific serial prefixes.

Performance Tests: Assemblies A30—A40, AT1, B1, and RF Output Connector (For Prefixes < xx4928)

List of performance tests for assemblies A30-A40, AT1, B1, and RF Output Connector.

Performance Tests: Assemblies A1—A17 (For prefixes >= xx4928)

List of performance tests for assemblies A1-A17 for specific serial prefixes.

Performance Tests: Assemblies A18—A29 (For prefixes >= xx4928)

List of performance tests for assemblies A18-A29 for specific serial prefixes.

Performance Tests: Assemblies A30—A46, AT1, B1, and RF Output Connector (For prefixes >= xx4928)

List of performance tests for assemblies A30-A46, AT1, B1, and RF Output Connector.

CPU Configuration

Steps for configuring the CPU after replacement or update.

Safety and Regulatory

General Safety Considerations

Important safety precautions for operating and servicing the instrument.

Lithium Battery Disposal

Guidelines for the safe disposal of lithium batteries.

Assistance

Information on obtaining product maintenance and customer assistance.

Certification

Statement regarding product specifications and calibration traceability.