Agilent E4351B - Manual

Agilent E4351B

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Table of Contents:

  • Page 2 – Service Addendum; Table of Contents
  • Page 3 – Chapter 1 Differences; Firmware Revisions; Chapter 2 Differences; Test Equipment Required; Table 2-2. Test Equipment Required for Verification
  • Page 4 – Measurement Techniques; All tests are performed in the FIXED as shown in Figure 2-1.; Basic Test Setup
  • Page 5 – Voltage and Current Values; This test does not need to be performed on the Agilent E4350B.; CC RMS Noise Measurement Test Setup; Figure 2-3. CC RMS Noise Measurement Test Setup; VOLTMETER
  • Page 6 – Performance Test Record; Readback Accuracy
  • Page 8 – Chapter 3 Differences; Signature Analysis
  • Page 12 – Overall Troubleshooting – sheet 4
  • Page 14 – No Display Troubleshooting
  • Page 15 – OV Will Not Fire Troubleshooting; Figure 3-6. OV Will Not Fire Troubleshooting
  • Page 16 – OV at Turn-On Troubleshooting
  • Page 17 – Output Held Low Troubleshooting (sheet 1); To Sheet 2
  • Page 18 – Output Held Low Troubleshooting (sheet 2); From Sheet 1
  • Page 19 – Output Held High Troubleshooting; Figure 3-9. Output Held High Troubleshooting
  • Page 23 – Cable and Connector Locations
  • Page 24 – DSP Board; To remove the A5 DSP Board, proceed as follows:; Note; Disconnect the ribbon cable located at the end of the DSP board.
  • Page 25 – Chapter 4 Differences
  • Page 26 – Simplified Diagram of DSP Circuits
  • Page 27 – Chapter 5 Differences; Model
  • Page 29 – Part; Main Board – Electrical
  • Page 30 – Capacitor
  • Page 34 – Resistor
  • Page 43 – Chapter 6 Differences; Test Points; Test Point
  • Page 44 – V in CV or CC mode
  • Page 56 – Figure 6-11. A6 Adapter Board Schematic Diagram
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Service Addendum

1

Addendum A - SERVICE MANUAL

Agilent Technologies Model E4350B and E4351B Solar Array Simulators - P/N 5962-8233

For units with serial numbers:

E4350B

US37410101 and up

E4351B

US37430101 and up

Foreword

This addendum contains information for troubleshooting and repairing the Agilent E4350B and E4351B
Solar Array Simulators. The standard Service Manual for the Agilent Series 665xA DC Power Supplies (P/N
5959-3376), together with this Service Addendum, is shipped with the Solar Array Simulators when ordered
with Option 910.

Note

This addendum is to be used along with the standard Service Manual for the Agilent Series 665xA
DC Power Supplies. When troubleshooting the Agilent E4350B/E4351B Solar Array Simulators,
start by following the procedures outlined in the standard Service Manual. This addendum
documents only the differences between the standard troubleshooting procedures and the
troubleshooting procedures for a Solar Array Simulator.

Areas of Difference

From a service point of view, the main difference between the SAS unit and the Agilent Series 665xA dc
power supply is the addition of a Digital Signal Processor (DSP) board located over the main A1 board. This
DSP board includes the portions of CV, CC, OV, and OC control circuits such as the programming DAC
circuits, as well as a microprocessor and programmable gate array that is used to generate the output I-V
curve. The output I-V curve simulates the output characteristics of a solar array.

The areas in the standard service manual that are changed by this addendum are:

•

Test Equipment Required (Table 2-1)

•

Basic Test Setup (Figure 2-1)

•

Voltage and Current Values (Table 2-3)

•

CC RMS Noise Measurement Setup (Figure 2-3)

•

Performance Test Record (Table 2-15)

•

Self-Test Error Codes/Messages (Table 3-2)

•

Troubleshooting Flowcharts (Figures 3-2, 3-5 through 3-9)

•

Initialization Program Listing (Figure 3-17)

•

Cable and Connector Locations (Figure 3-18)

•

Disassembly Procedures for A5 DSP Board (page 3-50)

•

Digital Signal Processor (DSP) Board (page 4-14)

•

Simplified Power/Control/DSP Circuits (Figure 4-9)

•

Parts list (Tables 5-6, 5-7, 5-9 through 5-12)

•

Test Points (Table 6-3)

•

Schematic Diagrams (Figures 6-5, 6-6, 6-7, 6-10, 6-11, 6-12)

S1

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Summary

Page 2 - Service Addendum; Table of Contents

Service Addendum 2 Table of Contents Addendum A - SERVICE MANUAL ................................................................................................................................1 Foreword ...................................................................................................

Page 3 - Chapter 1 Differences; Firmware Revisions; Chapter 2 Differences; Test Equipment Required; Table 2-2. Test Equipment Required for Verification

Service Addendum 3 Chapter 1 Differences Firmware Revisions The Agilent E4350B/E4351B SAS firmware resides in the front panel board’s ROM chip (A3U4), the GPIBboard’s ROM chip (A2U106), and in the DSP board’s ROM chips (A5U734 and A5U735).Use the *IDN query as described in chapter 3 of the Service M...

Page 4 - Measurement Techniques; All tests are performed in the FIXED as shown in Figure 2-1.; Basic Test Setup

Service Addendum 4 Measurement Techniques Note All tests are performed in the FIXED as shown in Figure 2-1. • Measure the DC voltage directly at the +S and -S terminals. • Set the SENSE switch at the back of the supply to the Remote position. • Connect the remote sensing leads from +OUT to +S, and f...

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