SIGLENT SPD1000X Series Service Manual
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SIGLENT SPD1000X Series Service Manual

SIGLENT SPD1000X Series Service Manual

Programmable linear dc power supply
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SPD1000X Series
Programmable Linear DC Power Supply
Service Manual
SM0501X-E01A

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Summary of Contents for SIGLENT SPD1000X Series

  • Page 1 SPD1000X Series Programmable Linear DC Power Supply Service Manual SM0501X-E01A...

  • Page 2: Copyright And Declaration

    Trademark Information SIGLENT is a registered trademark of SIGLENT TECHNOLOGIES. Declaration  SIGLENT products are protected by patent law in and outside of the People’s Republic of China  SIGLENT reserved the right to modify or change the specifications and price of the product ...

  • Page 3: General Safety Summary

    Use Proper Fuse. Use only the specified fuse. Do Not Operate Without Covers. Do not operate this instrument with covers or panels removed. Avoid Circuit or Wire Exposed. Do not touch exposed junctions and components when the unit is powered. SPD1000X series service manual...
  • Page 4 Do Not Operate With Suspected Failures. If you suspect damage has occurred to this instrument, have it inspected by qualified service personnel before further operation. Any maintenance, adjustment or replacement especially to the circuits or accessories should be performed by SIGLENT authorized personnel. Keep the Product Surfaces Clean and Dry.

  • Page 5: Safety Terms And Symbols

    WARNING: Indicates potential injury or a hazard that may occur. CAUTION: Indicates potential damage to the instrument or other property that may occur. Symbols may appear on the product: Hazardous Hazardous Power Protective Earth Warning power switch Earth Terminal Ground Content SPD1000X series service manual...

  • Page 6: Table Of Contents

    Main Board Drawing ....................44 Troubleshooting flowchart .................... 45 Check the power supply....................45 Check the main board ....................47 Quick Guide for General Failures ................48 Chapter 6 Service and Support ................ 49 Warranty ......................... 49 SPD1000X series service manual...
  • Page 7 Repackaging for Shipment ..................49 Contact SIGLENT....................50 SPD1000X series service manual...

  • Page 8: Chapter 1 General Features And Specifications

    Features Specifications General Features The Siglent SPD1000X Programmable DC Power Supply has a 2.8 inch TFT- LCD screen, programmable output, and real time graphical trending display. The SPD1168X has maximum output values of 16 V/8 A and the SPD1305X has maximum output values of 30 V/5 A. Both feature remote sensing as well as output short circuit and overload protection.

  • Page 9: Specifications

    ≤ 0.2% + 3 mA Load regulation current rate mode ≤ 2 mArms Ripple and noise Lock key Save/call 5 sets Maximum output power 128 W 150 W Input power AC100 V/120 V/220 V/230 V ± 10% 50/60Hz SPD1000X series service manual...
  • Page 10 Base to AC line ≥ 30 MΩ （DC 500 V） Outdoor use: Elevation≤2000m Environment temperature 0~40° C Relative Operating environment humidity≤80% Installation level：II Pollution level：2 Environment temperature：-10~70 ° C Relative humidity ≤ 80% Storage environment Dimension 154.6（W）×144.5（H）×280（D）mm Weight About 5.5 kg SPD1000X series service manual...

  • Page 11: Prepare Information

    Power-on Inspection Verify that the power supply is working by performing a power-on check. The SPD1000X series has a supply voltage of 100 VACrms to 240 VACrms. Before connecting the instrument to a power source, please select the AC voltage selector on the rear panel of your power according to the power supply.

  • Page 12: Interface Test

    Interface test The SPD1000X series power supply supports two standard interfaces: A USB Device and a LAN interface. Through these interfaces, the power supply communicates with the outside world and implements some higher-level functions. To ensure that the power supply is working properly, perform the following interface tests.
  • Page 13 LAN test Use EasyPower software to test whether the LAN interface is working properly. Tools:  One SPD1000X series power supply  One PC with a network cable interface (Windows OS)  One standard network cable  EasyPower PC software Step：...

  • Page 14: Chapter 2 Performance Verification

    Here is a list of the equipment needed to perform the test: Table 2-1 equipment required for performance verification: Description Specification Example Digital multimeter 6.5 digit resolution SDM3065X Electronic load Voltage and current power is SDL1020X-E greater than the power supply SPD1000X series service manual...

  • Page 15: Testing Report

    The following is a schematic diagram of the connection between the electronic load and the power supply under test: Figure 2-1 Test equipment connections Testing report In order to verify that the test results meet the specifications, please record the test data in the following table: SPD1000X series service manual...

  • Page 16: Verify Power Regulation Rate

    (f) Calculate the corresponding power regulation rate by formula (1). Take the maximum value in the calculation result to determine whether the SPD1000X has reached the predetermined specification. SPD1000X series service manual...
  • Page 17 (b) and (c). Repeat for the following transformer values: 120 VAC, 200 V, 220 V, 230 V, 240 V, repeat steps (b) and (c). (Note: The SPD1000X's rear case input power should be switched to the corresponding positions, otherwise the fuse will burn out) SPD1000X series service manual...

  • Page 18: Verify Load Regulation Rate

    (b) Turn on the power of each device. Set the electronic load to constant current mode, and the multimeter set to measure DCV. (c) Set the output of SPD1168X to 1 V/8 A. Turn on the output and note the SPD1000X series service manual...
  • Page 19 SPD1000X has reached the predetermined specification. Table 2-4 Model SPD1168X 0A 1A 3A 5A 7A regulation rate Model SPD1305X regulation rate 2) Constant current mode SPD1000X series service manual...
  • Page 20 (f) Calculate the corresponding load regulation rate by the formula (4). Take the maximum value in the calculation result to determine whether the SPD1000X has reached the predetermined specification. Table 2-5 Model SPD1168X regulation rate SPD1000X series service manual...

  • Page 21: Verify Output Voltage Accuracy

    (e) Calculate the corresponding setting voltage accuracy by the formula (5) and the readback voltage accuracy by the formula (6). Take the maximum value in the calculation result to determine whether the SPD1000X has reached the predetermined specification. SPD1000X series service manual...
  • Page 22 Mode Set Volt (V) Measured Volt (V) Fail 2 wire 0.1V 0.01V 4 wire 0.1V 0.01V Model SPD1305X Readback Volt Pass / Mode Set Volt (V) Measured Volt (V) Fail 2 wire 0.1V 0.01V 4 wire SPD1000X series service manual...

  • Page 23: Verify Output Current Accuracy

    (d) Calculate the corresponding setting current accuracy by the formula (7) and the readback current accuracy by the formula (8). Take the maximum value in the calculation result to determine whether the SPD1000X has reached the predetermined specification. SPD1000X series service manual...

  • Page 24: Verify Output Ripple And Noise

    The ripple voltage is typically specified as the peak-to-peak value of this AC component. Noise: (1) Noise voltage refers to its peak-to-peak value. In switching power supplies, there are two main reasons for formation: (a) A high-frequency pulse train generated by the switching power SPD1000X series service manual...
  • Page 25 Other instructions: In order to get more accurate results, grounding should be tested with reference to the following methods. Figure2- 2 Grounding method SPD1000X series service manual...

  • Page 26: Verify The Output Voltage Overshoot Of On/Off

    Increasing the speed of the control loop provides shorter transient response times. However, it is possible that the output is very unstable and even oscillates. If the voltage transient response capability is poor, the voltage drop/overshoot time is too SPD1000X series service manual...

  • Page 27: Verify Short Circuit Protection

    (a) Connect the device, then turn on the output, because after the output is turned on, if the set current value is relatively large, the sudden short-circuit will cause a very large spark, and there is a SPD1000X series service manual...

  • Page 28: Verify Overvoltage Protection

    21 V. For the SPD1305X, set the output voltage of the switching power supply near 36V. Increase the output voltage of the switching power supply gradually. When the overvoltage point is reached, the SPD1000X power supply output is short-circuited. SPD1000X series service manual...

  • Page 29: Chapter 3 Calibration Channel Parameters

    “Open VISA Test Panel” ,then pop up the bullet box. As shown in Figure 3-1 below. 3. Click the “Input/Output” option of the box, enter the command in the command box, and click Write to make the command take effect. As shown in Figure 3-2 below. Figure 3-1 SPD1000X series service manual...

  • Page 30: Clear Parameters

    This command is used to calibrate the related values of the voltage. NR1: CH1: Select to calibrate the parameters of channel 1. NR3: The actual measured value of the high-precision multimeter. It is an input parameter. NR2: SPD1000X series service manual...

  • Page 31: Displaying Current Calibration

    2 At this time, NR3 is the input displayed current parameter of the second point. 3 At this time, NR3 is the input current setting parameter of the first point. 4 At this time, NR3 is the input current setting parameter of the second point. SPD1000X series service manual...

  • Page 32: Setting Current Calibration

    (5) Read the displayed current value of the multimeter as the value of NR3, input the calibration parameter of the second point and send the command: CALibration:CURRent ch1,4,NR3. When this command is successfully executed, its corresponding parameters “a” and “b” will change. . SPD1000X series service manual...

  • Page 33: Save Calibration Parameter

    Chapter 4 Disassembly and assembly This chapter mainly describes how to disassemble and assemble the module units of the SPD1000X series power supply. Please refer to the given procedure to remove or replace the corresponding power unit. The following are the main contents of this chapter: ...

  • Page 34: Safety Prevention

    Module name handle components the metal plate the handle support bone the front shell component the hardware components back hardware components hardware main component Tools: 1. Anti-static gloves 2. The multifunctional screwdriver 3. Needle nose pliers. SPD1000X series service manual...

  • Page 35: Teardown Steps

    This chapter mainly introduces how to remove and install each module unit, please follow the steps given below.. Step 1: Open handle components Remove the 2 pcs KM4 * 16 screw, and remove the handle attachment covers (2 pcs) and the handle. Figure 4-1 Handle components SPD1000X series service manual...
  • Page 36 Step 2: Remove the metal plate Remove 8 pcs PM3 * 6 on either side of the supply and slide the metal cover to remove Figure 4-2 Remove the metal cover SPD1000X series service manual...
  • Page 37 Step 3: Open the handle support Remove the 4 pcs PM3 * 6 screws as shown in the figure below and remove the handle support: Figure 4-3 Remove the handle support SPD1000X series service manual...
  • Page 38 Step 4: Font Panel Removal Unscrew 3 pcs PM3 * 6 screws and the corresponding cable to remove the front panel components and power button. Figure 4-4 Removing the front panel SPD1000X series service manual...
  • Page 39 Remove the 6 pcs PC3*8 screws from the hardware board and remove the front panel cover. Remove the 6 pcs PC 3*8 screw on the keyboard and remove the keyboard assembly. Remove the front panel knob manually. Figure 4-5 Front panel components SPD1000X series service manual...
  • Page 40 Step 6: Disassemble the frame Remove 4 pcs PM3 * 6 screws and the corresponding cable between the back hardware shell and metal plate. Figure 4-6 Frame disassembly SPD1000X series service manual...
  • Page 41 Remove 4 pcs PM3*6 screw, remove AC switch board of power supply. Remove 4 pcs PM4*30 screw and nut, remove fan. Remove 2 pcs KM3*6 screw, and remove 1 pcs PWM3*8 grounding screw to remove power cord base. Figure 4-7 Rear panel components SPD1000X series service manual...
  • Page 42 Remove the 6 pcs PM3*6 screw, which can be used to separate the hardware floor and the main board PCB. Remove the 4 pcs PWM3*8 screw, which can remove the bottom 4 pcs footpad. Figure 4-8 Main hardware components SPD1000X series service manual...

  • Page 43: Chapter 5 Hardware Troubleshooting

    Wear a grounded antistatic wrist strap to insulate the static voltage from your body while touching any modules.  Operate static-sensitive modules only at static-free areas. Avoid handling modules in areas that allow anything capable of generating or holding a static charge. SPD1000X series service manual...

  • Page 44: Required Equipment

    The main board is used to control and manage the whole internal system of the power supply. Please refer to the following drawing to quickly locate the test points on the main board for easy resolution of the failures you encounter. Figure 5-1 Main board drawing SPD1000X series service manual...

  • Page 45: Troubleshooting Flowchart

    1. Disconnect the power cord, pry the groove out of the power socket, remove the fuse, and check if the fuse is burnt. If it burn out, please replace it with the proper equivalent fuse. SPD1000X series service manual...
  • Page 46 If the measured voltage value does not match the corresponding parameter in the table, it indicates that the transformer is faulty and needs to replace a new transformer. To ensure safety, do not disassemble the transformer and power board. SPD1000X series service manual...

  • Page 47: Check The Main Board

    Then you need to replace the main board. If the measured voltage value exactly matches the corresponding parameter in the above table, please proceed to the next step. SPD1000X series service manual...

  • Page 48: Quick Guide For General Failures

    (4) Check the connection between the power supply and the main board. (5) If the instrument still does not work normally, please contact SIGLENT. 2. The instrument starts up with a dark screen: (1) Check the connection between the screen backlight circuit board and the mainboard.

  • Page 49: Chapter 6 Service And Support

    In no case shall SIGLENT be liable for indirect, special or consequential damages. Repackaging for Shipment If the unit needs to be shipped to SIGLENT for service or repair, be sure to: 1. Attach a tag to the unit identifying the owner and indicating the required service or repair.
  • Page 50 Road, Bao’an District, Shenzhen, P.R.China Tel：+86-755-3688 7876 E-mail: sales@siglent.com http://www.siglent.com SIGLENT Technologies America, Inc Address: 6557 Cochran Rd Solon, Ohio 44139 E-mail: info@siglent.com http://www.siglentamerica.com SIGLENT Technologies EuropeGmbH Address: Liebigstrasse 2-20, Gebaeude 14, 22113 Hamburg Germany E-Mail: info-eu@siglent.com http://www.siglenteu.com SPD1000X series service manual...

This manual is also suitable for:

Spd1168xSpd1305x

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