AGILENT-E4350ser维修维护手册

Addendum A-SERVICE MANUALAgilent Technologies Model E4350B and E4351B Solar Array Simulators-P/N 5962-8233For units with serial numbers:E4350BUS37410101 and upE4351BUS37430101 and upForewordThis addendum contains information for troubleshooting and repairing the Agilent E4350B and E4351BSolar Array Simulators.The standard Service Manual for the Agilent Series 665xA DC Power Supplies(P/N5959-3376),together with this Service Addendum,is shipped with the Solar Array Simulators when orderedwith Option 910.Note This addendum is to be used along with the standard Service Manual for the Agilent Series 665xADC Power Supplies.When troubleshooting the Agilent E4350B/E4351B Solar Array Simulators,start by following the procedures outlined in the standard Service Manual.This addendumdocuments only the differences between the standard troubleshooting procedures and thetroubleshooting procedures for a Solar Array Simulator.Areas of DifferenceFrom a service point of view,the main difference between the SAS unit and the Agilent Series 665xA dcpower supply is the addition of a Digital Signal Processor (DSP)board located over the main A1 board.ThisDSP board includes the portions of CV,CC,OV,and OC control circuits such as the programming DACcircuits,as well as a microprocessor and programmable gate array that is used to generate the output IVcurve.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)Perfommance 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)Agilent TechnologiesService Addendum1