Keysight E36300 Series Service Manual
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Keysight E36300 Series Service Manual

Programmable dc power supplies
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Summary of Contents for Keysight E36300 Series

  • Page 1 Service Guide E36300 Series Programmable DC Power Supplies...

  • Page 2: Table Of Contents

    CV load and line regulation Low range current verification (For E36312A and E36313A only) Constant Current (CC) verification Test Record Forms Test record form - Keysight E36311A Test record form - Keysight E36312A Test record form - Keysight E36313A Keysight E36300 Series Service Guide...
  • Page 3 Calibration Adjustment Procedures Closed–case electronic calibration Calibration interval Calibration adjustment process Calibration security Calibration count Calibration message Saving calibration data Calibration auto save Calibration procedure Save the calibration data Keysight E36300 Series Service Guide...

  • Page 4: Notices

    No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Keysight Technologies as governed by United States and international copyright laws.

  • Page 5: U.s. Government Rights

    FAR and the DFARS and are set forth specifically in writing elsewhere in the EULA. Keysight shall be under no obligation to update, revise or otherwise modify the Software. With respect to any technical data as defined by FAR 2.101, pursuant to FAR 12.211 and 27.404.2 and DFARS 227.7102, the U.S.

  • Page 6: Safety Information

    A WARNING notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly per- formed or adhered to, could result in personal injury or death. Do not proceed beyond a WARNING notice until the indicated con- ditions are fully understood and met. Keysight E36300 Series Service Guide...

  • Page 7: Safety And Regulatory Information

    Return the instrument to a Keysight Technologies Sales and Service Office for service and repair to ensure that safety features are maintained. To contact Keysight for sales and technical support, refer to the support links on the following Keysight website: www.keysight.com/find/assist...

  • Page 8: Safety Symbols

    Do not proceed beyond CAUTION sign until the indicated conditions are fully understood and met. The NOTE sign denotes important information. It calls attention to a procedure, practice, condition or the like, which is essential to highlight. Keysight E36300 Series Service Guide...

  • Page 9: Regulatory Markings

    – 사용자 안내문은 “업무용 방송통신기자재”에만 적용한다. Safety and EMC Requirements This power supply is designed to comply with the following safety and EMC (Electromagnetic Compatibility) requirements: – Low Voltage Directive 2014/35/EU – EMC Directive 2014/30/EU Keysight E36300 Series Service Guide...

  • Page 10: Environmental Conditions

    Environmental Conditions The E36300 Series is designed for indoor use and in an area with low condensation. The table below shows the general environmental requirements for this instrument. Environmental condition Requirement Temperature Operating condition: 0 °C to 40 °C Storage condition: –20 °C to 70 °C Humidity Operating condition: Up to 80% RH at 40 °C (non-condensing)

  • Page 11: Service And Maintenance

    User Replaceable Parts Battery Replacement Disassembly This chapter provides the specifications and service information on cleaning, troubleshooting, repair, and replaceable parts of the E36300 Series. This chapter also explains how to assemble and disassemble the E36300 Series. Keysight E36300 Series Service Guide...

  • Page 12: Specifications And Characteristics

    Types of service available If your instrument fails during the warranty period, Keysight Technologies will repair or replace it under the terms of your warranty. After your warranty expires, Keysight offers repair services at competitive prices. You also have the option to purchase a service contract that extends the coverage after the standard warranty expires.

  • Page 13: Troubleshooting

    !Err – If the self-test fails, " " is displayed on the front panel. Record the error code and message and contact Keysight support if necessary. – If the self-test is successful, this indicates a high chance that the power supply is operational.

  • Page 14: Replacing The Power-Line Fuse

    User Replaceable Parts You can find the instrument support part list at Keysight's Test & Measurement Parts Catalog http://www.keysight.com/find/parts. Battery Replacement SHOCK HAZARD Only qualified, service-trained personnel who are aware of the hazards involved should remove instrument cov- ers.

  • Page 15: Replacing The Battery

    (see red arrow below). The top of the small spring clips should be visible after the battery is seated (see red circle below). 5. Replace the top cover when finished. 6. Reset the date and time. Properly dispose of the old battery in accordance with local laws and regulations. Keysight E36300 Series Service Guide...

  • Page 16: Disassembly

    Steps Instructions Visual Remove the screw from the GPIB module plate using a T10 driver. Retain the screw for use later in this procedure. Then, remove the GPIB module by sliding it to the left. Keysight E36300 Series Service Guide...

  • Page 17: Removing/Installing The Front Panel Binding Post

    The GPIB module must be removed before you proceed to remove the front panel binding post. Steps Instructions Visual Remove the side trims from the front panel. Remove four Pozi screws from the front panel using a PZ1 driver. Keysight E36300 Series Service Guide...
  • Page 18 For reassembly, take note on the grounds lugs and washers arrangement. Remove five screws from the 25 V main PCA board. Gently pull out the front panel assembly from the chassis and remove all the board-to-board connectors. Keysight E36300 Series Service Guide...
  • Page 19 For reassembly, take note on the cable routing. Remove front panel assembly from the chassis. Remove the two knobs from the front panel. Remove six screws from the front panel PCA board using a T8 driver. Keysight E36300 Series Service Guide...
  • Page 20 1/2" nut socket. For E36312A and E36313A, remove the seven plastic hex-lock nuts from the front panel frame. To install the binding post, perform the above steps in reverse order. Keysight E36300 Series Service Guide...

  • Page 21: Verification And Adjustments

    Test Record Forms Calibration Adjustment Procedures This chapter contains the performance verification procedures which verify that the E36300 Series is operating within its published specifications. This chapter also provides information on adjustments performed after a performance verification fails. Keysight E36300 Series Service Guide...

  • Page 22: Performance Verification

    Keysight 6813B or equivalent AC source Calibration resistors for low – E36312A/E36313A Output 1: 300 Ω power resistor, ≥ 1 W range current – E36312A/E36313A Output 2 and 3: 2.5 kΩ power resistor, ≥ 1 W Keysight E36300 Series Service Guide...

  • Page 23: Test Considerations

    "Wait" statements can be used in the test program if the test system is faster than the power system. Keysight E36300 Series Service Guide...

  • Page 24: Setup For Most Tests

    A LAN or USB cable is needed for readback data. The DMM measures the power supply output, and the electronic load draws current from the power supply. The accuracy of the current monitoring resistor must be 0.01% or better, which should include any self-heating effects. Keysight E36300 Series Service Guide...

  • Page 25: Constant Voltage (Cv) Verification

    MEAS:VOLT?, (@<channel>) This is an example for the E36311A, 6 V, 5 A output. 10. Record the voltage returned by the SCPI command query via Keysight Connection Expert, and verify whether it is within the limits calculated. Keysight E36300 Series Service Guide...

  • Page 26: Cv Load And Line Regulation

    8. Take the difference between the DMM readings in steps 6 and 7 that is the CV load regulation (V load – V noload ). The difference of the readings during the immediate change should be within the specification limits. Keysight E36300 Series Service Guide...
  • Page 27 10. Take the difference between the DMM readings in steps 8 and 9 that is the CV line regulation (V lowline – V high- line ). The difference of the readings during the immediate change should be within the limit calculated from the specification. Keysight E36300 Series Service Guide...
  • Page 28 7. Adjust the oscilloscope to display transients as shown below. Note that the pulse width (t2-t1) of the transient at the voltage settling band, for example 15 mV for the E36313A Output 1 from the base line is no more than 50 µs. Keysight E36300 Series Service Guide...
  • Page 29 The oscilloscope cursors X1 and X2 represent t1 and t2. The oscilloscope red trace and blue trace represent output current and output voltage trace. 8. Transient response specification is met when the voltage recovers within 50 μs. Keysight E36300 Series Service Guide...
  • Page 30 AC coupling. Set the oscilloscope’s time base to 5 ms/div, and the vertical scale to 10 mV/div. Turn the bandwidth limit on (usually 20 or 30 MHz), and set the sampling mode to peak detect. Keysight E36300 Series Service Guide...
  • Page 31 Let the oscilloscope run for a few seconds to generate enough measurement points. On the Keysight Infiniium oscilloscope, the maximum peak-to-peak voltage measurement is indicated at the bottom of the screen on the right side. Divide this value by 10 to get the CV peak-to-peak noise meas- urement.

  • Page 32: Low Range Current Verification (For E36312A And E36313A Only)

    MEAS:CURR?, (@<channel>) by the SCPI MEAS:CURR?, (@channel) command query via Key- This is an example for the E36313A, 6 V, 20 mA output. sight Connection Expert and verify whether it is within the limits calculated. Keysight E36300 Series Service Guide...

  • Page 33: Constant Current (Cc) Verification

    MEAS:CURR?, (@<channel>) This is an example for the E36311A, 6 V, 5 A output. 11. Record the current returned by the SCPI command query via Keysight Connection Expert, and verify whether it is within the limits calculated. Keysight E36300 Series Service Guide...
  • Page 34 8. Take the difference between the current readings in steps 6 and 7 is the load regulation current (I load – I short ). The difference of the readings during the immediate change should be within the specification limits. Keysight E36300 Series Service Guide...
  • Page 35 9. Take the difference between the DMM readings in steps 7 and 8 is the CC line regulation (I lowline – I highline ). The difference of the readings during the immediate change should be within the specification limits. Keysight E36300 Series Service Guide...

  • Page 36: Test Record Forms

    Test Record Forms Test record form - Keysight E36311A Test record form - Keysight E36312A Test record form - Keysight E36313A Test record form - Keysight E36311A E36311A Report Number ____________ Date ______________ Description Outputs Lower limit Result Upper limit...
  • Page 37 Current Programming & Readback, Maximum Current (I max ) 5 A, 6 V 1 A, 25 V 1 A, 25 V CC Load Regulation, Line Regulation, Ripple and Noise 5 A, 6 V 1 A, 25 V 1 A, 25 V Keysight E36300 Series Service Guide...

  • Page 38: Test Record Form - Keysight E36312A

    Test record form - Keysight E36312A E36312A Report Number ____________ Date ______________ Description Outputs Lower limit Result Upper limit Constant Voltage Tests Voltage Programming Zero Voltage Output (V 0 ) Output 1 -0.002 V ______________ 0.002 V Output 2 -0.005 V ______________ 0.005 V...
  • Page 39 CC Load Regulation, Line Regulation, Ripple and Noise 5 A, 6 V 1 A, 25 V 1 A, 25 V Low Range Current Readback, Maximum Low Range Current 0.02 A, 6 V 0.01 A, 25 V 0.01 A, 25 V low max Keysight E36300 Series Service Guide...

  • Page 40: Test Record Form - Keysight E36313A

    Test record form - Keysight E36313A E36313A Report Number ____________ Date ______________ Description Outputs Lower limit Result Upper limit Constant Voltage Tests Voltage Programming Zero Voltage Output (V 0 ) Output 1 -0.003 V ______________ 0.003 V Output 2 -0.005 V ______________ 0.005 V...
  • Page 41 0.0038 I max + 0.0038 CC Load Regulation (I load - I short ) Output 1 -1500 μA ______________ 1500 Output 2 -700 μA ______________ μA Output 3 -700 μA ______________ 700 μA 700 μA Keysight E36300 Series Service Guide...

  • Page 42: Calibration Adjustment Procedures

    Calibration Adjustment Procedures This chapter includes calibration adjustment procedures for Keysight E36300 series power supply. Instructions are applicable for performing the procedures from either the front panel or a controller over the LAN, USB, or GPIB. Perform the verification tests before calibrating your instrument. If the instrument passes the verification tests, the unit is operating within its calibration limits and does not need to be re-calibrated.

  • Page 43: Calibration Interval

    Calibration interval The recommended calibration interval for Keysight E36300 series power supply is one year. Calibration adjustment process The following general procedure is recommended to complete a full calibration adjustment. 1. Adhere to the test considerations. See Performance Verification > Test considerations for details.

  • Page 44: Calibration Count

    To enable or disable the CAL auto Save feature, send CAL:ASAV ON or CAL:ASAV OFF. To query the CAL auto Save state, send CAL:ASAV? Keysight E36300 Series Service Guide...

  • Page 45: Calibration Procedure

    CAL:VOLT:LEV MAX, (@<channel>) Measure the output voltage (high point) with the DMM. Enter the measured value, and press Next. CAL:VOLT <reading>, (@<channel>) Read DONE or FAIL on the display. (wait 30 seconds) SYST:ERR? Press Cal Save. CAL:SAVE Keysight E36300 Series Service Guide...

  • Page 46: Save The Calibration Data

    Auto Save is on. To save the CAL data: CAL:SAVE To enable the CAL Auto Save: CAL:ASAVE ON To exit CAL State: CAL:STAT 1 <code> Keysight E36300 Series Service Guide...
  • Page 47 This information is subject to change without notice. © Keysight Technologies 2017-2019 Edition 3, 25 November 2019 Printed in Malaysia E36311-90009 www.keysight.com...

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