Agilent Technologies E4980A Service Manual
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Agilent Technologies E4980A Service Manual

Precision lcr meter
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Agilent E4980A Precision LCR Meter
Service Guide
Fifth Edition
FIRMWARE REVISIONS
This manual applies directly to instruments that have the firmware revision A.01.00 or higher.
For additional information about firmware revisions, see Appendix A.
Agilent Part No. E4980-90120
August 2010

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  • Page 1 ® Advanced Test Equipment Rentals www.atecorp.com 800-404-ATEC (2832) Agilent E4980A Precision LCR Meter Service Guide Fifth Edition FIRMWARE REVISIONS This manual applies directly to instruments that have the firmware revision A.01.00 or higher. For additional information about firmware revisions, see Appendix A.
  • Page 2 This document contains proprietary information that is protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Agilent Technologies. Microsoft,MS-DOS,Windows,Visual C++,Visual Basic,VBA and Excel are registered UNIX is a registered trademark in U.S.

  • Page 3: Safety Summary

    The E4980A complies with INSTALLATION CATEGORY II as well as POLLUTION DEGREE 2 in IEC61010-1. The E4980A is an INDOOR USE product. NOTE The LEDs in the E4980A are Class 1 in accordance with IEC60825-1, CLASS 1 LED PRODUCT NOTE This equipment is MEASUREMENT CATEGORY I (CAT I).

  • Page 4: Safety Symbols

    safety features are maintained in operational condition. • Dangerous Procedure Warnings Warnings, such as the example below, precede potentially dangerous procedures throughout this manual. Instructions contained in the warnings must be followed. WARNING Dangerous voltage levels, capable of causing death, are present in this instrument. Use extreme caution when handling, testing, and adjusting this instrument.
  • Page 5 Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institution’s calibration facility, or to the calibration facilities of other International Standards Organization members.
  • Page 6 Typeface Conventions Sample (bold) Boldface type is used for emphasis. Sample (Italic) Italic type is used for emphasis and manual title. [Sample] key Indicates a hardkey (key on the front panel or external keyboard) labeled “Sample.” “key” may be omitted. menu/button/box Indicates a menu/button/box on the screen labeled Sample...

  • Page 7: Table Of Contents

    Contents 1. General Information Organization of Service Guide ............14 Instruments Covered by This Manual.
  • Page 8 Contents Contents of the power on test results ........... . 32 Self Test .
  • Page 9 Contents Removal Procedure ..............90 Replacement Procedure.
  • Page 10 How to update E4980A firmware using USB/GPIB interface ....... .
  • Page 11 Contents D ................143 E .
  • Page 12 Contents...

  • Page 13: General Information

    General Information This Service Guide is a guide to servicing the E4980A 20 Hz to 2 MHz Precision LCR Meter. The Service Guide provides information about performance test, adjustment, troubleshooting, and repairing the E4980A.

  • Page 14: Organization Of Service Guide

    • Chapter 1, “General Information.” This Service Guide is a guide to servicing the E4980A 20 Hz to 2 MHz Precision LCR Meter. The Service Guide provides information about performance test, adjustment, troubleshooting, and repairing the E4980A.

  • Page 15: Instruments Covered By This Manual

    The supplement for this manual is identified by this manual’s printing data and is available from Agilent Technologies. If the serial prefix or number of an instrument is lower than that on the title page of this manual, see Appendix A, Manual Changes. For information concerning, a serial number prefix that is not listed on the title page or in the Manual Changes supplement, contact the nearest Agilent Technologies office.

  • Page 16: Required Equipment

    General Information Required Equipment Required Equipment Table 1-1 lists the recommended equipment for performance test, adjustment and troubleshooting for E4980A. Table 1-1 Recommended Test Equipment Equipment Critical Specifications Recommended Model Qty. Frequency Counter Frequency Range: 1 MHz Agilent 53181A Time Base Error < 50 ppm/year...

  • Page 17: Performance Test

    Performance Test This chapter provides the outline of the E4980A performance tests.

  • Page 18: Introduction

    Performance Test Introduction Introduction This chapter provides the performance tests outline for Agilent E4980A. The performance test names are listed in Table 2-1. The test descriptions are described sequentially in the following pages. NOTE Allow the analyzer to warm up for at least 30 minutes before you execute any of the performance tests.

  • Page 19: Individual Test Description

    This test checks the DC bias level accuracy of the E4980A DC bias signal. 4. DC Bias V Level Monitor Accuracy Test Description This test checks the DC bias V level monitor accuracy of the E4980A. (Option : 001 only) 5. DC Bias I Level Monitor Accuracy Test Description This test checks the DC bias I level monitor accuracy of the E4980A.

  • Page 20: Impedance Measurement Accuracy Test

    Individual Test Description 8. Impedance Measurement Accuracy Test Description This test checks the impedance measurement accuracy of the E4980A. 9. DCR Measurement Accuracy Test Description This test checks the DCR measurement accuracy of the E4980A. (Option : 001 only) Chapter 2...

  • Page 21: Adjustment

    This chapter provides the adjustment information for the E4980A to ensure that it is within its specifications. The adjustment must be performed Agilent’s qualified service personnel. If you need the adjustment for your E4980A, it should be sent to the nearest Agilent Technologies service office.

  • Page 22: Safety Considerations

    Intentional interruption of the protective ground system for any reason is prohibited. Warm-up for Adjustment Warm-up the E4980A for at least 30 minute before performing any of the following Adjustment procedures to ensure proper results and correct instrument operation. Required Equipment Table 1-1 on page 16 lists the equipment required to perform the Adjustment procedures described in this chapter.

  • Page 23: Required Adjustment After Replacing Assembly

    After replacing the following assembly, the adjustment items described in Table 3-1 must be required. The adjustment must be performed Agilent’s qualified service personnel. If you need the adjustment for your E4980A, it should be sent to the nearest Agilent Technologies service office.

  • Page 24: Dc Bias Adjustment

    Adjustment Required Adjustment after Replacing Assembly DC Bias Adjustment The purpose of this procedure is to adjust the DC Bias level. DC Level V Monitor Adjustment The purpose of this procedure is to adjust the DC Level Monitor. DC Level I Monitor Adjustment The purpose of this procedure is to adjust the DC Level I Monitor.

  • Page 25: Troubleshooting

    Troubleshooting This chapter provides the procedure to isolate a faulty assembly in the E4980A.

  • Page 26: Introduction

    Troubleshooting Introduction Introduction WARNING These servicing instructions are for use by qualified personnel only. To avoid possible electrical shock, do not perform any servicing unless you are qualified to do so. WARNING The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the instrument from its power supply beforehand.

  • Page 27: To Troubleshoot The Instrument

    Step 1. Turn the E4980A power on With the E4980A plugged in and the power turned off, the front panel orange standby LED should be on. When the front panel power switch is turned on, the orange LED should go out and the yellow-green LED should come on.
  • Page 28 Troubleshooting To Troubleshoot the Instrument Figure 4-1 Primary trouble isolation flowchart Display and Boot-up Problems Problems on Front Panel, LCD Display, Front USB Port, GPIB Interface, USB Interface, LAN Port, External Trigger Input, Handler Interface, Scanner Interface or Power on Bias Current Interface.

  • Page 29: Power On Sequence Troubleshooting

    Requirements in Appendix B. Check the Power Supply Unit Output Step 1. Remove the E4980A’s outer cover. Step 2. Turn the E4980A power on. Step 3. Measure the output voltage (+3.3, +5, +12, -12 V) of the power supply unit using a voltmeter with a small probe.
  • Page 30 Troubleshooting Power On Sequence Troubleshooting Figure 4-2 Output Voltage Location P501 P3 +12V -12V +3.3V +12V +3.3V +3.3V +12V P6 -12V • If the voltmeter reading is not within the following limits, replace the power supply unit. Table 4-1 Power Supply Unit Output supply Range + 3.3 V...

  • Page 31: Check Booting Process

    1. With the E4980A plugged in and the power turned off, the orange standby LED should be on. If the orange LED doesn’t light, check the key flex circuit, display interface board, A1 board, and relevant cables.

  • Page 32: Troubleshooting Using Service Function

    Power On Test The Power On Test always takes place once the E4980A is turned on. When a failure is detected, a message "Power on test failed" is displayed in the system message area and the normal measurement screen does not appear (Service Mode).
  • Page 33 Troubleshooting Using Service Function Figure 4-3 SELF TEST Page Choosing a Test Item Functional Description E4980A can run the following self tests: The tests of SYSTEM, USER DATA, and BATTERY are also performed by the power on test. Table 4-2...

  • Page 34: Service Page

    Checks the scanner interface. (Visual checks only; no result INTERFACE shown on screen.) Executing the self-test from the front panel The self-test of the E4980A can be executed from the front panel. The steps are given below. Self-test procedure Step 4. Press [System] - SELF TEST Step 5.
  • Page 35 USB memory, but does NOT allow you to modify or delete the information. NOTE The system information of E4980A may be used for the purposes of support and repair by Agilent Technologies, but will never be used for any other purposes. Figure 4-5...
  • Page 36 The file location on the USB memory is as follows: \e4980a\system\sysinfo.txt NOTE The system information of E4980A may be used for the purposes of support and repair by Agilent Technologies, but will never be used for any other purposes. To save the system information into external memory: Step 1.
  • Page 37 Troubleshooting Troubleshooting Using Service Function DATA[4]: 0 OPT[1]: 0 OPT[2]: 0 OPT[3]: 0 OPT[4]: 0 OPT[5]: 0 OPT[6]: 0 OPT[7]: 0 A1[1]: -1.187504864E+01 A1[2]: +1.184382915E+01 A1[3]: +5.098754883E+00 A1[4]: +3.359375000E+00 A1[5]: +2.504882813E+00 A1[6]: +5.090893269E+00 A2[1]: -2.337981556E-04 A2[2]: -4.294419530E-01 A2[3]: +4.937164751E-01 A2[4]: +4.625371247E-01 A2[5]: -4.599838385E-01 A2[6]: +3.438261555E-01 A3[1]: -4.189105189E-05...

  • Page 38: Power On Test / Self Test Failure Troubleshooting

    Troubleshooting Troubleshooting Using Service Function Power On Test / Self Test Failure Troubleshooting Table 4-4 represents the contents of the power on tests or self test and the relationships of failed tests to probable faulty board assemblies. If power on test failed is displayed or self test fail is displayed, replace the faulty board assembly as shown in Table 4-4.
  • Page 39 Troubleshooting Troubleshooting Using Service Function Table 4-4 Power on test / self test failure troubleshooting information Test Test Test Name Error Code / Probable faulty board assembly group Message Bias IF Handler Scanner PPMC A1_DCBUS_M12V 0x01 A1_DCBUS_P12V 0x02 A1_DCBUS_P5V 0x04 A1_DCBUS_P3.3V 0x08 A1_DCBUS_P2.5V...

  • Page 40: Function Specific Troubleshooting

    Function Specific Troubleshooting Function Specific Troubleshooting If the E4980A exhibits a failure symptom that is related to a specific function or control such as a front panel key control, display, data storage, remote control interface, external trigger, isolate the trouble using the Function Specific Troubleshooting procedures described below.

  • Page 41: To Check The Front Panel

    Complies with USB 1.1; mass storage class, FAT16/FAT32 format; maximum consumption current is below 500 mA. Recommended USB memory: Agilent 512 MB USB Flash memory (Agilent PN 1819-0195). Use the prepared USB memory device exclusively for the E4980A; otherwise, other Chapter 4...

  • Page 42: To Check The External Trigger Input

    NOTE Use a crossed LAN cable to enable the peer-to-peer communication between the E4980A and the PC. If the E4980A needs to be connected to the PC via a multi port Hub, use a straight LAN cable. Step 2. Press [System].
  • Page 43 . Enter the IP address xxx.xxx.xxx.y and subnet mask xxx.xxx.xxx.xxx as shown in Figure 4-6. The letters x represent the IP address and subnet mask of the E4980A. The letter y is different from the IP address of the E4980A. Press the button. Then, restart the external PC.

  • Page 44: To Check The Gpib

    Click "Programs" and "MS-DOS Prompt" (or "Command Prompt") to open the DOS (Command) Prompt window. c. Type a ping command followed by the E4980A IP address as "ping xxx.xxx.xxx.xxx" (where, xxx.xxx.xxx.xxx is the IP address such as 192.168.0.1 assigned in step 3-d.) Press [Enter] key on the keyboard.

  • Page 45: To Check The Usb (Usbtmc) Interface Card

    Handler Simulator Agilent p/n 04278-65001 Procedure Step 1. Disconnect the power cable from the E4980A and allow 1 minute for the internal capacitors to discharge. NOTE Dangerous energy/voltage exists when the E4980A is in operation, and for a time after it is powered down.
  • Page 46 Troubleshooting Function Specific Troubleshooting Figure 4-9 Jumper, and Switch Settings Table 4-7 Internal jumper settings Jumper number Jumper position 3(N) 3(N) *1.The factory default setting is position (N) shown in the table above. Table 4-8 Bit switch (S1) settings Factory default settings Bit number Chapter 4...
  • Page 47 Step 4. Replace the handler interface board. Step 5. Turn the E4980A ON. Step 6. Connect the handler interface connector on the E4980A’s rear panel to the handler simulator as shown in Figure 4-10. Figure 4-10 Handler Interface Function Test Setup...
  • Page 48 EXECUTE TEST START HANDLER INTERFACE Step 12. Confirm that the LEDs on the handler simulator turn ON in accordance with the E4980A’s output signals displayed on the LCD. The LEDs turns ON light in the sequence shown in Figure 4-11.

  • Page 49: To Check The Scanner Interface Function (Option 301 Only)

    1 k Standard Agilent 42030A (42037A) Procedure Step 1. Disconnect the power cable from the E4980A and allow 1 minute for the internal capacitors to discharge. NOTE Dangerous energy/voltage exists when the E4980A is in operation, and for a time after it is powered down.
  • Page 50 Troubleshooting Function Specific Troubleshooting Figure 4-12 Switches Setting Table 4-10 Setting Bit Switch (S1) Default *1.For bits 1 to 3 of bit switch S1, only one bit can be turned on at one time. Table 4-11 Setting Bit Switch (S2) Default NOTE Bit switches S1 and S2 can be identified by the labels “S1”...
  • Page 51 Recall Lock NOTE DC power for the bias interface simulator can be supplied from the E4980A instead of an external DC power supply. Step 6. Connect the scanner simulator to the scanner interface connector on the E4980A’s rear panel shown in Figure 4-13.
  • Page 52 Step 15. Press the TEST STOP softkey. NOTE Do not execute any SELF TEST except for the Scanner Interface Test or the E4980A will become inoperative. Step 16. Return the switch settings on the scanner interface board to their original settings. Chapter 4...

  • Page 53: To Check The Bias Current Interface Function (Option 002 Only)

    Troubleshooting Function Specific Troubleshooting To Check the Bias Current Interface Function (Option 002 only) This test verifies the bias current interface functions. Equipment Table 4-12 Equipment List of the Bias Current Interface Function Test (Option 002 only) Bias Interface Simulator Agilent p/n 42841-65001 Bias Interface Cable Agilent p/n 42841-61640...
  • Page 54 ‘-’ terminal of the power supply. Then connect TP1 (Vcc) on the simulator to ‘+’ terminal of the power supply. (refer to Figure Figure 4-14 and Figure 4-15.) NOTE DC power for the bias interface simulator can be supplied from the E4980A instead of from an external DC power supply. Chapter 4...
  • Page 55 Check the settings of S1 and S2 described in the Step 1, if the E4980A’s LCD displays “Illegal Test Setup”. Step 10. Confirm the /RESET LED on the bias interface simulator turns ON. Step 11. Confirm CS0 and CS1 LEDs on the simulator turns ON as the E4980A’s output signal is Chapter 4...
  • Page 56 Figure 4-16 Bias Current Interface Function Test Step 14. Confirm that “DI0 TO 7” and “DI8 TO 15” on the LCD of the E4980A display hexadecimal number “ff”. Step 15. Set switches S1 and S2 on the bias interface simulator to ‘0’. Then confirm that hexadecimal number “0”...

  • Page 57: Performance Test Failure Troubleshooting

    This section describes the adjustment and troubleshooting procedures used when the E4980A fails the performance tests. If the performance of the instrument is critical for the test limits and seems to be adjustable, perform first the adjustment(s) related to the failed test.

  • Page 58: Adjustment Failure Troubleshooting

    Troubleshooting Performance test failure troubleshooting Adjustment failure troubleshooting Table 4-14 represents the relationships between the failed adjustment and probably faulty assembly. Note that this table lists some typical cases. There are possibilities that another assembly may be faulty. Table 4-14 Adjustment failure troubleshooting information First failed adjustment Probable faulty board assembly...

  • Page 59: Performance Test Failure Troubleshooting

    Troubleshooting Performance test failure troubleshooting Performance test failure troubleshooting Table 4-15 represents the relationships between the failed test and probable faulty assembly. If the performance test failure cannot be removed by a proper adjustment, replace the assembly shown in this table. Note that this table lists some typical cases.
  • Page 60 Troubleshooting Performance test failure troubleshooting Chapter 4...

  • Page 61: Replaceable Parts

    Replaceable Parts This chapter contains information for ordering replacement parts for the E4980A.

  • Page 62: Ordering Information

    Replaceable Parts Ordering Information Ordering Information To order a part in the replaceable parts lists, quote the Agilent Technologies part number, indicate the quantity required, and address the order to the nearest Agilent Technologies Sales Office. To order a part not listed in the replaceable parts lists, include the instrument model number, the description and function of the part, and the quantity of parts required.

  • Page 63: Replaceable Parts List

    Replaceable Parts Replaceable Parts List Replaceable Parts List Power Cables and Plug Configurations Figure 5-1 Power Cables and Plug Configurations Chapter 5...

  • Page 64: Top View (Major Assemblies)

    Replaceable Parts Replaceable Parts List Top View (Major Assemblies) Figure 5-2 Top View (Major Assemblies) Chapter 5...
  • Page 65 Replaceable Parts Replaceable Parts List Table 5-1 Top View (Major Assemblies) Ref. Agilent Part Number Qty. Description Desig. E4980-62003 TESTED PCA A3 (ANALOG DAUGHTER BOARD) E4980-69003 RSTRD E4980-62003 ANALOG 0403-0424 BUMPER FOOT-ADH MTG 20.5-MM-WD (not included A3) E4980-66509 PCA E4980 USB 5041-7724 VENT BLOCKS E4980-62004...

  • Page 66: Top View (Cables)

    Replaceable Parts Replaceable Parts List Top View (Cables) Figure 5-3 Top View (Cables) Chapter 5...
  • Page 67 Replaceable Parts Replaceable Parts List Table 5-2 Top View (Cables) Ref. Agilent Part Number Qty. Description Desig. 5188-1252 RF CABLE ASSY 5188-1254 RF CABLE ASSY E4980-61601 POWER CABLE ASSY E4980-61615 CABLE POWER CONTROL E4980-61605 FRONT USB CABLE E4980-61609 MOTHER-ANALOG CABLE ASSY E4980-61610 GPIB CABLE ASSY E4980-61602...

  • Page 68: Top View (Miscellaneous Parts)

    Replaceable Parts Replaceable Parts List Top View (Miscellaneous Parts) Figure 5-4 Top View (Miscellaneous Parts) Table 5-3 Top View (Miscellaneous Parts) Ref. Agilent Part Number Qty. Description Desig. 0515-0430 SCREW-MACH M3 X 0.5 0515-4830 SCREW-MACH M4 X 0.7 0515-1940 SCREW-MACH M2.5 X 0.45 Chapter 5...

  • Page 69: Top View (Tested Pca A2 (Analog Board))

    Replaceable Parts Replaceable Parts List Top View (Tested PCA A2 (Analog Board)) Figure 5-5 Top View (Tested PCA A2 (Analog Board)) Table 5-4 Top View (Tested PCA A2 (Analog Board)) Ref. Agilent Part Number Qty. Description Desig. E4980-62002 TESTED PCA A2 (ANALOG BOARD) E4980-69002 RSTRD E4980-62002 ANALOG 0380-4989...

  • Page 70: Front Panel

    Replaceable Parts Replaceable Parts List Front Panel Figure 5-6 Front Panel Chapter 5...
  • Page 71 Replaceable Parts Replaceable Parts List Table 5-5 Front Panel Ref. Agilent Part Number Qty. Description Desig. E4980-25001 INSULATOR 0950-4111 INVERTER 0515-0365 SCREW-MACHINE M2 X 0.4 N1912-60002 DISPLAY INTERFACE N1912-40002 DISPLAY SUPPORT 2090-0825 DISPLAY E4980-25003 LCD GASKET SHORT E4980-25004 LCD GASKET LONG N1912-20005 WINDOW,EMI SHIELD 0515-0661...
  • Page 72 Replaceable Parts Replaceable Parts List Table 5-6 E4980-62005 Sub-Assembly Ref. Agilent Part Qty. Description Desig. Number N1912-20005 WINDOW, EMI SHIELD 0515-0661 SCREW-MACHINE M2 X 0.4 E4980-07001 EMI SHIELD N1912-20001 KEY FLEX CIRCUIT E4980-40012 KEYPAD E4980-40001 FRONT PANEL N1912-61002 CABLE ASSY BACKLIGHT 1510-0130 BINDING POST SGL 3050-2229...

  • Page 73: Top View (Power Supply Assembly)

    Replaceable Parts Replaceable Parts List Top View (Power Supply Assembly) Figure 5-7 Top View (Power Supply Assembly) Chapter 5...
  • Page 74 Replaceable Parts Replaceable Parts List Table 5-7 Top View (Power Supply Assembly) Ref. Agilent Part Number Qty. Description Desig. 0515-0430 SCREW-MACHINE M3 X 0.5 E4980-01205 ANGLE SHIELD 0380-4972 STANDOFF-HEX M3.0 X 0.5 E4980-60103 POWER SUPPLY E4980-04001 PSU COVER 0515-0430 SCREW-MACHINE M3 X 0.5 Chapter 5...

  • Page 75: Top View (Base Plate Assembly)

    Replaceable Parts Replaceable Parts List Top View (Base Plate Assembly) Figure 5-8 Top View (Base Plate Assembly) Chapter 5...
  • Page 76 Replaceable Parts Replaceable Parts List Table 5-8 Top View (Base Plate Assembly) Ref. Agilent Part Number Qty. Description Desig. 0515-4830 SCREW-MACH M4 X 0.7 E4980-40003 3/4 RACK MODULE BOTTOM CASE E4980-00111 BASE PLATE See Table 5-10 REAR PANEL ASSEMBLY 0515-1946 SCREW-MACH M3 X 0.5 0515-2143 SCREW-MACH M4 X 0.7 6MM-LG PAN-HD...

  • Page 77: Gasket

    Replaceable Parts Replaceable Parts List Gasket Figure 5-9 Gasket Table 5-9 Gasket Ref. Agilent Part Number Qty. Description Desig. 8160-0538 0.85 GASKET Chapter 5...

  • Page 78: Rear View

    Replaceable Parts Replaceable Parts List Rear View Figure 5-10 Rear View Table 5-10 Rear View Ref. Agilent Part Number Qty. Description Desig. 2940-0256 NUT-HEX-DBL-CHAM 1/2-28-THD .095-IN-THK 3050-2230 WASHER-SPR-WAVY 13-MM-ID 17-MM-OD See Table 5-13 INTERFACE OPTION ASSEMBLY 0380-4870 STANDOFF-HEX .591-INCH-LG 4-40-THD See Table 5-12 FAN ASSEMBLY See Table 5-11...

  • Page 79: Power Inlet Assembly

    Replaceable Parts Replaceable Parts List Power Inlet Assembly Figure 5-11 Power Inlet Assembly Table 5-11 Power Inlet Assembly Ref. Agilent Part Number Qty. Description Desig. E4980-61612 INLET ASSY 0515-1946 SCREW-MACH M3 X 0.5 2110-1017 FUSE 3A 250V Chapter 5...

  • Page 80: Fan Assembly

    Replaceable Parts Replaceable Parts List Fan Assembly Figure 5-12 Fan Assembly Table 5-12 Fan Assembly Ref. Agilent Part Number Qty. Description Desig. 0361-1890 RIVET-PUSH-IN 8-MM-HEAD DIA 4-MM-BODY DIA E4980-61613 FAN ASSY Chapter 5...

  • Page 81: Interface Option Assembly

    Replaceable Parts Replaceable Parts List Interface Option Assembly Figure 5-13 Interface Option Assembly Table 5-13 Interface Option Assembly Ref. Agilent Part Number Qty. Description Desig. E4980-66506 CURRENT BIAS I/F (Option 002) E4980-00206 DC BIAS PANEL (Option 002) 0515-0430 SCREW-MACHINE M3 X 0.5 E4980-61608 UTILITY CABLE ASSY E4980-66507...

  • Page 82: Wind Angle Assembly

    Replaceable Parts Replaceable Parts List Wind Angle Assembly Figure 5-14 Wind Angle Assembly Table 5-14 Wind Angle Assembly Ref. Agilent Part Number Qty. Description Desig. E4980-01201 ANGLE WIND 5041-7719 3/4 RACK MODULE TOP 0515-4830 SCREW-MACH PAN-HD M4 X 0.7 Chapter 5...

  • Page 83: Label Assembly

    Replaceable Parts Replaceable Parts List Label Assembly Figure 5-15 Label Assembly Table 5-15 Label Assembly Ref. Agilent Part Number Qty. Description Desig. E4980-87003 GND LABEL E4980-87002 BNC LABEL E4980-87001 NAME LABEL E4980-87005 INFORMATION LABEL Chapter 5...

  • Page 84: Bumpers & Handle Assembly

    Replaceable Parts Replaceable Parts List Bumpers & Handle Assembly Figure 5-16 Bumbers & Handle Assembly Table 5-16 Bumpers & Handle Assembly Ref. Agilent Part Number Qty. Description Desig. E4980-45001 HANDLE 34480-46001 FRONT BUMPER 34480-46002 REAR BUMPER Chapter 5...

  • Page 85: Other Parts

    Replaceable Parts Replaceable Parts List Other Parts Table 5-17 Other Parts Agilent Part Number Qty. Description SERVICE GUIDE E4980-901x0 82357-61601 USB CABLE E4980-60102 Adapter for Option 002 *1. The number indicated by “x” in the part number of the manual, 0 for the first edition, is incremented by 1 each time a revision is made.
  • Page 86 Replaceable Parts Replaceable Parts List Chapter 5...

  • Page 87: Replacement Procedure

    Replacement Procedure This chapter provides procedure for removing and replacing the major assemblies in the E4980A.

  • Page 88: Replacing An Assembly

    Replacement Procedure Replacing an Assembly Replacing an Assembly The following steps show the sequence for replacing an assembly in a E4980A Signal Source Analyzer. 1. Identify the faulty group. Refer to Chapter 4, “Troubleshooting.” 2. Order a replacement assembly. Refer to Chapter 5, “Replaceable Parts.”...

  • Page 89: Required Tools

    Replacement Procedure Required Tools Required Tools The following tools are required for repair of E4980A. Table 6-1 Required Tools Assembly Torque screwdriver Box torque wrench 5.5 mm 7 mm 3/8 in. 5/8 in.  3/4 Rack Module Top  ...

  • Page 90: 3/4 Rack Module Top Replacement

    Torque screwdriver, TORX T20 Removal Procedure Refer to Figure 6-1, Figure 6-2, Figure 6-3 and for this procedure. Step 1. Disconnect the power cable from the E4980A. Step 2. Remove the handle, front bumper and rear bumper. (item 1, 2, 3 ) NOTE To remove the handle, rotate the handle to a vertical position and pull the arms outwards.
  • Page 91 Replacement Procedure 3/4 Rack Module Top Replacement Figure 6-1 3/4 Rack Module Top Removal (1 of 3) Chapter 6...
  • Page 92 Replacement Procedure 3/4 Rack Module Top Replacement Figure 6-2 3/4 Rack Module Top Removal (2 of 3) Chapter 6...
  • Page 93 Replacement Procedure 3/4 Rack Module Top Replacement Figure 6-3 3/4 Rack Module Top Removal (3 of 3) Chapter 6...

  • Page 94: A3 Analog Daughter Board Replacement

    Replacement Procedure A3 Analog Daughter Board Replacement A3 Analog Daughter Board Replacement Tools Required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 Removal Procedure Refer to Figure 6-4 and for this procedure. Step 1. Remove the 3/4 rack module top as described in “3/4 Rack Module Top Replacement” on page 90.
  • Page 95 Replacement Procedure A3 Analog Daughter Board Replacement Figure 6-4 A3 Analog Daughter Board Removal Chapter 6...

  • Page 96: A2 Analog Board Replacement

    Replacement Procedure A2 Analog Board Replacement A2 Analog Board Replacement Tools Required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 • Box torque wrench, 7 mm • Box torque wrench, 5/8 inch Removal Procedure Refer to Figure 6-5 and for this procedure. Step 1.
  • Page 97 Replacement Procedure A2 Analog Board Replacement Figure 6-5 A2 Analog Board Removal Chapter 6...

  • Page 98: Front Panel Assembly Removal

    Replacement Procedure Front Panel Assembly Removal Front Panel Assembly Removal Tools required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 • Box torque wrench, 7 mm • Box torque wrench, 5/8 inch Removal Procedure The Front Panel Assembly removal process is same as A2 Analog Board removal process. Refer to removal procedure of the “A2 Analog Board Replacement”...

  • Page 99: Option Interface Replacement

    Replacement Procedure Option Interface Replacement Option Interface Replacement Tools Required • Torque screwdriver, TORX T10 Removal Procedure Refer to Figure 6-6 for this procedure. Step 1. Remove the two TORX T10 screws (item 1) fastening the Option Interface. Step 2. Pulls the Option Interface carefully. Step 3.
  • Page 100 Replacement Procedure Option Interface Replacement Figure 6-6 Option Interface Removal Chapter 6...

  • Page 101: Ppmc Pca Replacement

    Replacement Procedure PPMC PCA Replacement PPMC PCA Replacement Tools Required • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T8 Removal Procedure Refer to Figure 6-7 for this procedure. Step 1. Remove the 3/4 rack module top as described in “3/4 Rack Module Top Replacement” on page 90.
  • Page 102 Replacement Procedure PPMC PCA Replacement Figure 6-7 PPMC PCA Removal Chapter 6...

  • Page 103: A1 Mother Board Replacement

    Replacement Procedure A1 Mother Board Replacement A1 Mother Board Replacement Tools Required • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T8 • Torque screwdriver, TORX T10 • Box torque wrench, 5/8 inch Removal Procedure Refer to Figure 6-8 for this procedure. Step 1.
  • Page 104 Replacement Procedure A1 Mother Board Replacement Figure 6-8 A1 Mother Board Replacement Chapter 6...

  • Page 105: Power Supply Assembly Replacement

    Replacement Procedure Power Supply Assembly Replacement Power Supply Assembly Replacement Tools Required • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T8 • Torque screwdriver, TORX T10 • Box torque wrench, 5/8 inch • Box torque wrench, 5.5 mm Removal Procedure Refer to Figure 6-9 for this procedure.
  • Page 106 Replacement Procedure Power Supply Assembly Replacement Figure 6-9 Power Supply Assembly Removal Chapter 6...

  • Page 107: Base Plate Replacement

    Replacement Procedure Base Plate Replacement Base Plate Replacement Tools Required • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T8 • Torque screwdriver, TORX T10 • Box torque wrench, 5/8 inch • Box torque wrench, 5.5 mm • Box torque wrench, 7 mm Removal Procedure Refer to Figure 6-10 for this procedure.
  • Page 108 Replacement Procedure Base Plate Replacement NOTE When you fasten the ground cable and the Base Plate with the two TORX T20 screws, set screwdriver's torque to 21.1 in-lb. When you fasten the Base Plate with the seven TORX T20 screws, set screwdriver's torque to 21.1 in-lb.

  • Page 109: Rear Panel Assembly Replacement

    Replacement Procedure Rear Panel Assembly Replacement Rear Panel Assembly Replacement Tools Required • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T8 • Torque screwdriver, TORX T10 • Box torque wrench, 5/8 inch • Box torque wrench, 5.5 mm • Box torque wrench, 7 mm Removal Procedure Refer to Figure 6-11 for this procedure.
  • Page 110 Replacement Procedure Rear Panel Assembly Replacement Figure 6-11 Rear Panel Assembly Removal Chapter 6...

  • Page 111: Fan Assembly Replacement

    Replacement Procedure FAN Assembly Replacement FAN Assembly Replacement Tools Required • Torque screwdriver, TORX T20 Removal Procedure Refer to Figure 6-12 for this procedure. Step 1. Remove the 3/4 Rack Module Top as described in “3/4 Rack Module Top Replacement” on page 90.
  • Page 112 Replacement Procedure FAN Assembly Replacement Figure 6-12 FAN Assembly Removal Chapter 6...

  • Page 113: Gpib Cable Replacement

    Replacement Procedure GPIB Cable Replacement GPIB Cable Replacement Tools Required • Torque screwdriver, TORX T20 • Box torque wrench, 7 mm Removal Procedure Refer to Figure 6-13 for this procedure. Step 1. Remove the 3/4 Rack Module Top as described in “3/4 Rack Module Top Replacement” on page 90.
  • Page 114 Replacement Procedure GPIB Cable Replacement Figure 6-13 GPIB Removal Chapter 6...

  • Page 115: Power Inlet Assembly Replacement

    Replacement Procedure Power Inlet Assembly Replacement Power Inlet Assembly Replacement Tools Required • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T8 • Torque screwdriver, TORX T10 • Box torque wrench, 5/8 inch Removal Procedure Refer to Figure 6-14 for this procedure. Step 1.
  • Page 116 Replacement Procedure Power Inlet Assembly Replacement Figure 6-14 POWER INLET Assembly Removal Chapter 6...

  • Page 117: Pca E4980 Usb Replacement

    Replacement Procedure PCA E4980 USB Replacement PCA E4980 USB Replacement Tools Required • Torque screwdriver, TORX T20 Removal Procedure Refer to Figure 6-15 for this procedure. Step 1. Remove the 3/4 Rack Module Top as described in “3/4 Rack Module Top Replacement” on page 90.

  • Page 118: Binding Post Sgl Replacement

    Replacement Procedure Binding Post Sgl Replacement Binding Post Sgl Replacement Tools Required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 • Box torque wrench, 7 mm • Box torque wrench, 5/8 inch • Box torque wrench, 3/8 inch Removal Procedure Refer to Figure 6-16 for this procedure.
  • Page 119 Replacement Procedure Binding Post Sgl Replacement Figure 6-16 Binding Post Sgl Removal Chapter 6...

  • Page 120: Inverter Replacement

    Replacement Procedure Inverter Replacement Inverter Replacement Tools Required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T6 • Box torque wrench, 7 mm • Box torque wrench, 5/8 inch Removal Procedure Refer to Figure 6-17 for this procedure. Step 1.
  • Page 121 Replacement Procedure Inverter Replacement Figure 6-17 Inverter Removal Chapter 6...

  • Page 122: Front Panel, Key Pad, And Key Flex Circuit Replacement

    Replacement Procedure Front Panel, Key Pad, and Key Flex Circuit Replacement Front Panel, Key Pad, and Key Flex Circuit Replacement Tools Required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 • Box torque wrench, 7 mm • Box torque wrench, 5/8 inch Removal Procedure Refer to Figure 6-18 for this procedure.
  • Page 123 Replacement Procedure Front Panel, Key Pad, and Key Flex Circuit Replacement Figure 6-18 Front Panel, Key Pad, and Key Flex Circuit Removal Chapter 6...

  • Page 124: Display Interface Replacement

    Replacement Procedure Display Interface Replacement Display Interface Replacement Tools Required • Torque screwdriver, TORX T10 • Torque screwdriver, TORX T20 • Torque screwdriver, TORX T6 • Box torque wrench, 7 mm • Box torque wrench, 5/8 inch Removal Procedure Refer to Figure 6-19 for this procedure. Step 1.
  • Page 125 Replacement Procedure Display Interface Replacement Figure 6-19 Display Interface Removal Chapter 6...
  • Page 126 Replacement Procedure Display Interface Replacement Chapter 6...

  • Page 127: Post-Repair Procedures

    Post-Repair Procedures This chapter lists the procedures required to verify the E4980A operation after an assembly is replaced with a new one.

  • Page 128: Post-Repair Procedures

    Post-Repair Procedures Post-Repair Procedures Post-Repair Procedures Table 7-1 Post Repair Procedures lists the required procedures that must be performed after the replacement of an assembly. These are the recommended minimum procedures to ensure that the replacement is successfully completed. Table 7-1 Post-Repair Procedures Replaced Required Adjustments...
  • Page 129 Post-Repair Procedures Post-Repair Procedures Table 7-1 Post-Repair Procedures Replaced Required Adjustments Verification Assembly or Part Correction Constants (CC) A3 Analog Board Perform the following required Inspect the booting process, and power on adjustments using “A3 Board” in Spot test result. Adjustment of the program.
  • Page 130 Post-Repair Procedures Post-Repair Procedures Table 7-1 Post-Repair Procedures Replaced Required Adjustments Verification Assembly or Part Correction Constants (CC) Bias Current I/F No adjustment needed Inspect the booting process, and power on (option 002) test result. “To Check the Bias Current Interface Function (Option 002 only)”...

  • Page 131: Manual Changes

    This appendix contains the information required to adapt this manual to versions or configurations of the E4980A manufactured earlier than the current printing date of this manual. The information in this manual applies directly to E4980A units with the serial number that is printed on the title page of this manual.

  • Page 132: Manual Changes

    Manual Changes Manual Changes Manual Changes To adapt this manual to your E4980A, refer to Table A-1 and Table A-2. Table A-1 Manual Changes by Serial Number Serial Prefix or Number Make Manual Changes Table A-2 Manual Changes by Firmware Version...

  • Page 133: Firmware Update

    Firmware Update This appendix describes how to update the E4980A firmware. When you want to update the E4980A firmware, refer to this appendix.

  • Page 134: Update The E4980A Firmware Using Usb/Gpib Interface

    GPIB0::17::INSTR The numerical value of “17” in the command is GPIB address of the E4980A. Then, press the Enter key. Step 6. Wait a few minutes until the command prompt is displayed again.

  • Page 135: Update The E4980A Firmware Using Usb Cable

    Step 1. Connect the USB cable from the USB terminal in your computer to the USB terminal in the E4980A rear panel. Then turn the E4980A on. Step 2. Copy the following file from Agilent Technologies web site to the temporary work folder in your computer’s HDD.
  • Page 136 Firmware Update Update the E4980A firmware using USB cable Appendix B...

  • Page 137: Power Requirement

    Power Requirement...

  • Page 138: Replacing Fuse

    UL/CSA type, Slo-Blo, 5x20mm miniature fuse, 3A 250V (part number: 2110-1017) Spare fuses are available from Agilent Technologies sales office. To check or replace the fuse, disconnect the power cable and pull out the fuse holder (refer to Figure C-1) towards you (refer to Figure C-2).

  • Page 139: Power Requirements

    Power Requirement Power Requirements Power Requirements The E4980A requires the following power source. Voltage : 90 to 132 Vac, 198 to 264 Vac Frequency : 47 to 63 Hz Power : 150 VA maximum Power Cable In accordance with international safety standards, this instrument is equipped with a three-wire power cable.
  • Page 140 Power Requirement Power Requirements Figure C-3 Power Cable Supplied Appendix C...

  • Page 141: Error Messages

    Error Messages The Agilent E4980A provides error messages to indicate its operating status. This appendix describes the error messages of the E4980A in alphabetical order.

  • Page 142: Error Messages

    Error Messages Error number: 1103 Error Messages An error message is displayed in the instrument status display area in the lower-left part of the screen. Pressing the cursor arrow key on the front panel or executing the :DISP:CCL command clears the error message. Moreover, about a specific error message, when a sweep is started again, the display of an error message may disappear.
  • Page 143 Cycle power of 42841A and Preset The connection was not established with the 42841A. Cycle the power of the 42841A, then preset the E4980A. Data buffer overflow This error occurs when the amount of data exceeds the defined data buffer memory size. If this error occurs during the measurement after pressing [Save/Recall] - SAVE DATA - START LOG, press SAVE &...
  • Page 144 (option 001). DC bias unit connection changed The connection with the 42841A has been changed. Cycle the power of the 42841A, then preset the E4980A. DC bias unit disconnected The 42841A is not connected. Confirm the connection to the 42841A.
  • Page 145 Error Messages Error number: 22 error. When this error occurs, contact Agilent Technology’s Sales and Service Office or the company from which you bought the device. Fixture over temperature The temperature inside the 42842A/B bias test fixture exceeds the limit. Turn off the DC bias and cool down the equipment.
  • Page 146 List sweep measurement is performed when the measurement point is not set on the LIST SWEEP SETUP screen. -128 Numeric data error Numeric data is improper. -128 Numeric data not allowed Numeric data not allowed for this operation. Out of Memory The E4980A has insufficent memory to perform the requested operation. Appendix D...
  • Page 147 1000 Power on test failed An error occurs during a self test at power-on. The E4980A may be faulty. Contact Agilent Technology’s Sales and Service Office or the company from which you bought the device. A self test fails when an interface board is removed or not connected properly. Check the connection with a cable when you change the setting of the interface board.
  • Page 148 Error Messages Error number: 16 Reference Measurement aborted Reference data measurement is aborted. Scanner I/F not installed Operation that requires option 301 is performed in a model that does not have a scanner interface board (option 301). Store failed User attempts to save data into number 10 to 19 when a USB memory device is not inserted.
  • Page 149 Error Messages Error number: 14 reference and use the correct command. V bias disabled The DC voltage bias is set when the 42841A is connected. Set the DC current bias or disconnect the 42841A. Valid in single mode only SINGLE channel correction data is measured when the MULTI channel correction mode is set.

  • Page 150: Warning Message

    Incompatible state file The setting file recalled from a USB memory device has been saved using an E4980A with a different firmware version or different options. There may be some parameters set up incorrectly. Check the setting.
  • Page 151 Error Messages Error number: 45 Signal source overload The signal source is overloaded. The measurement data is not guaranteed to be valid. The measurement result data status of the measurement result output is set to 3. When measuring Ls-Rdc/Lp-Rdc, set both RANGE and DCR RNG properly, or “OVERLOAD”...
  • Page 152 Error Messages Error number: 45 Appendix D...

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