사용자 설명서차례General Information8Instruments covered by this service guide9Accessories supplied10Options available11Accessories available12Specifications & characteristics14CAT I and CAT II Definitions20Agilent Technologies 54835A/45A/46A general characteristics21Recommended test equipment23Preparing for Use24To inspect the instrument26To connect power27To connect the mouse or other pointing device28To attach the optional trackball28To connect the keyboard30To connect to the LAN card30To connect oscilloscope probes31To connect a printer32To connect an external monitor33To connect the GPIB cable33To tilt the oscilloscope upward for easier viewing34To power on the oscilloscope35To verify basic oscilloscope operation36To clean the instrument37To clean the display monitor contrast filter37Testing Performance38To test the dc calibrator41Procedure41To test input resistance43Procedure43To test voltage measurement accuracy44Specification44Procedure44To test offset accuracy48Procedure48To test bandwidth50Specification50Equivalent Time Test50Real Time Test521 MW, 500 MHz Test on 54835A, 54845A, and 54846A52To test time measurement accuracy53Equivalent Time Mode Procedure53Real-Time Mode Procedure58To test trigger sensitivity60Specification60Internal Trigger Test60Procedure—Auxiliary Trigger Test62Calibrating and Adjusting66To check the power supply69Procedure69To check the 715 Hz auxiliary output (probe compensation squarewave)71Equipment Required71Procedure71To check the flat panel display (FPD)72To run the self calibration75self calibration75Troubleshooting78To install the fan safety shield80To troubleshoot the instrument81Primary Trouble Isolation83No Display Trouble Isolation86Power Supply Trouble Isolation90To check probe power outputs93To check the keyboard94Test Procedure94Troubleshooting Procedure95To check the LEDs96To check the motherboard, CPU, and RAM98To check the SVGA display board video signals99To check the backlight inverter voltages100POST Code Listing (AMI Motherboard only)101To configure the motherboard jumpers and set up the BIOS106Motherboard / floppy drive configurations BIOS setup106Configuring the AMI Series 727 Motherboard Jumpers109To configure the AMI Series 727 WINBIOS Parameters111Configuring the AMI Series 757 Motherboard for 200 MHz CPU114To configure the AMI Series 757 WINBIOS Parameters with 1.44 Mbyte floppy drive116Configuring the AMI Series 757 Motherboard for 300 MHz CPU119To configure the AMI Series 757 WINBIOS Parameters with 120 Mbyte floppy drive121Configuring the FIC VA-503A motherboard switches for the 400MHzCPU and 120Mbyte floppy drive124There are switches and a jumper on the FIC VA-503A motherboard that must be configured to the cor...124To Configure the FIC Series VA-503A Motherboard BIOS Parameters125To troubleshoot the acquisition system126Determining the Acquisition Contact Closure Count126Isolating Acquisition Problems126To troubleshoot attenuator failures133Attenuator Click Test133Swapping Attenuators134Attenuator Connectivity Test134Software Revisions136Replacing Assemblies138To return the instrument to Agilent Technologies for service140To remove and replace the cover141To disconnect and connect Mylar flex cables142To disconnect the cable142To reconnect the cable142To remove and replace the AutoProbe assembly143To remove and replace the probe power and control assembly145To remove and replace the backlight inverter board146To remove and replace the front panel assembly146To remove and replace the keyboard and flat-panel display assemblies149To remove and replace the acquisition board assembly151To remove and replace the LAN interface board152To remove and replace the GPIB interface board153To remove and replace the scope interface board and SVGA display board154To separate the scope interface board and SVGA display board155To remove and replace the Option 200 sound card156To remove and replace the hard disk drive157To remove and replace the floppy disk drive158To remove and replace the motherboard158To remove and replace the power supply161To remove and replace the fan162To remove and replace the CPU163To remove and replace RAM SIMMs or SDRAM DIMMs164Removing and replacing SIMMs on the AMI motherboard164Removing and replacing SDRAM DIMMs on the FIC motherboard (not pictured)164To remove and replace an attenuator165To reset the attenuator contact counter167To remove and replace an acquisition hybrid169To remove the acquisition hybrid169To replace the acquisition hybrid170The Hybrid Connector171Replaceable Parts172Ordering Replaceable Parts173Listed Parts173Unlisted Parts173Direct Mail Order System173Exchange Assemblies173Power Cables and Plug Configurations174Exploded Views175Replaceable Parts List186Theory of Operation194Block-Level Theory196Power Supply Assembly196FPD Monitor Assembly196Acquisition System197Front Panel197Disk Drives197Attenuators197Motherboard197SVGA Display Card198GPIB Interface Card198Probe Power and Control198Attenuator Theory200Acquisition Theory200Acquisition Board200Acquisition Modes202Scope Interface Board202크기: 5.57메가바이트페이지: 207Language: English매뉴얼 열기