GW Instek PSW Series Service Manual
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GW Instek PSW Series Service Manual

GW Instek PSW Series Service Manual

Multi-range dc power supply
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Multi-Range DC Power Supply
PSW Series
Service MANUAL
GW INSTEK PART NO. 82SW-80400S01
ISO-9001 CERTIFIED MANUFACTURER
www.valuetronics.com

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Vladimir Eisenberg
June 20, 2025

The parts list seems to lack a whole host of parts, mostly ICs... I'm very curious about U303 which seems to be several op-amps in a 14-leg casing but it is not clear what.

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Summary of Contents for GW Instek PSW Series

  • Page 1 Multi-Range DC Power Supply PSW Series Service MANUAL GW INSTEK PART NO. 82SW-80400S01 ISO-9001 CERTIFIED MANUFACTURER www.valuetronics.com...
  • Page 2 This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will company. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.

  • Page 3: Table Of Contents

    Declaration of Conformity ............9 How to Use This Manual ........10 Service Operation List ............10 Summary of Chapters ............11 PSW Series Overview ......... 12 Front Panel ................13 Rear Panel ................16 PSW Default Settings ............19 Error Messages &...
  • Page 4 PSW Service Manual 1080W models (Type III) PSW 30-108, 80-40.5, 160-21.6 ..86 1080W models (Type III) PSW 250-13.5, 800-4.32 ....89 PCB & Circuit Diagram........92 Main PCB Layout for Models of 30V, 80, 160V ......93 Main PCB Layout for Models of 250V, 800V ......94 PFC &...

  • Page 5: Safety Instructions

    Safety Instructions AFETY NSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. Read the following before any operation to insure your safety and to keep the instrument in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the instrument.

  • Page 6: Safety Guidelines

    PSW Service Manual Safety Guidelines Do not place any heavy object on the PSW. General guidelines  Avoid severe impact or rough handling that leads to  damaging the PSW. CAUTION Do not discharge static electricity to the PSW.  Use only mating connectors, not bare wires, for the ...

  • Page 7: Storage Environment

    Safety Instructions  Pollution degree 3: Conductive pollution occurs, or dry, non-conductive pollution occurs which becomes conductive due to the expected condensation. In such conditions, while the equipment is normally protected against exposure to direct sunlight, precipitation, and strong draughts, neither temperature nor humidity is controlled. Location: Indoor Storage ...

  • Page 8: Power Cord For The United Kingdom

    PSW Service Manual Power cord for the United Kingdom When using the instrument in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead / appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow: Earth...

  • Page 9: Declaration Of Conformity

    How to Use This Manual Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng Dist., New Taipei City 236, Taiwan GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. No. 69 Lushan Road, Suzhou New District Jiangsu, China. declare that the below mentioned product Type of Product: Multi-Range DC Power Supply Model Number: PSW 30-36, PSW 80-13.5, PSW 160-7.2, PSW 30-72, PSW 80-27, PSW 160-14.4, PSW 30-108, PSW 80-40.5, PSW 160-21.6, PSW 250-4.5, PSW 800-1.44, PSW 250-9,...

  • Page 10: How To Use This Manual

    PSW Service Manual OW TO ANUAL If you are not sure what type of service operation you should choose, read the Service Operation List section and find the chapter which suits your needs. The Summary of Each Chapter section gives you an overview of this service manual’s contents.

  • Page 11: Summary Of Chapters

    Provides the summary of each chapter in this service Manual (page 10) manual and shows where to read for various service operations. PSW series Helps service engineers become familiar with the power Overview supply. The panel overview and specifications contain all (page 12) the performance data and functionalities.

  • Page 12: Psw Series Overview

    PSW Service Manual PSW S ERIES VERVIEW The Overview chapter helps you become familiar with the power supply. The front and rear panel diagrams introduce the panel keys and ports. The specifications section lists technical details of the power supply series. Front Panel ................

  • Page 13: Front Panel

    PSW Series Overview Front Panel 720W: PSW 30-72, 80-27, 160-14.4, 250-9, 800-2.88 Voltage Voltage Multi-Range DC Power Supply P S W 3 0 - 7 2 720W Display knob Current Current knob Cover panel Function OVP/OCP Output Output Test Lock/Local...
  • Page 14 PSW Service Manual Lock/Local Locks or unlocks the panel keys to prevent accidentally changing panel settings. Toggles the display from viewing V/A  PWR DSPL V/W or A/W*. *Press the Voltage knob for V/W, press the Current knob for A/W. Display Indicators Voltage Slew Rate Constant Voltage Mode...
  • Page 15 PSW Series Overview Power Switch Used to turn the power on/off. www.valuetronics.com...

  • Page 16: Rear Panel

    PSW Service Manual Rear Panel 720W: PSW 30-72, 80-27, 160-14.4 Sense+ USB B Output Analog control terminal port terminal connector Sense- terminal SER.NO. LABEL Output terminal 240V 47 63Hz 1000VA MAX. AC Input 1080W: PSW 30-108, 80-40.5, 160-21.6 360W: PSW 30-36, 80-13.5, 160-7.2 AC Input SER.NO.

  • Page 17: Psw Series Overview

    PSW Series Overview 720W: PSW 250-9, 800-2.88 Sense+ USB B Output Analog control terminal port terminals +V connector Sense- terminal SN.C. S SER.NO. LABEL Chassis ground Output terminals -V 240V 47 63Hz 1000VA MAX. AC Input 1080W: PSW 250-13.5, 800-4.32 360W: PSW 250-4.5,...

  • Page 18: Chassis Ground

    PSW Service Manual Chassis ground Sense (-) and Sense (+) terminals. The 250 and 800 volt models use a 9 pin connector and a Output Terminals plug for the output and sense terminal connections. The (250, 800 volt models) plug is a MC420-38109Z plug by DECA SwitchLab Inc. This plug is also available separately (GW part number 39BT-50900401).

  • Page 19: Psw Default Settings

    PSW Series Overview PSW Default Settings The following default settings are the factory configuration settings for the power supply (Function settings/Test settings). The F-88 configuration setting allows the PSW to be reset back to the factory default settings. Default Setting...
  • Page 20 PSW Service Manual Falling current slew rate F-07 72.00A/s (PSW 30-36) 144.0A/s (PSW 30-72) 216.0A/s (PSW 30-108) 27.00A/s (PSW 80-13.5) 54.00A/s (PSW 80-27) 81.00A/s (PSW 80-40.5) 14.40A/s (PSW 160-7.2) 28.80A/s (PSW 160-14.4) 43.20A/s (PSW 160-21.6) 9.000A/s (PSW 250-4.5) 18.00A/s (PSW 250-9) 27.00A/s (PSW 250-13.5) 2.880A/s (PSW 800-1.44) 5.760A/s (PSW 800-2.88)

  • Page 21: Error Messages & Messages

    PSW Series Overview Error Messages & Messages The following error messages or messages may appear on the PSW screen during operation. Error Messages Description Err 001 USB Mass Storage is not present Err 002 No (such)file in USB mass storage...

  • Page 22: Psw Specifications

    PSW Service Manual PSW Specifications The specifications apply when the PSW is powered on for at least 30 minutes. PSW 360W PSW 30-36, 80-13.5, 160-7.2, 250-4.5, 800-1.44 Model Unit PSW 30-36 PSW 80-13.5 PSW 160-7.2 PSW 250-4.5 PSW 800-1.44 Rated Output Voltage Rated Output Current 13.5 1.44...
  • Page 23 PSW Series Overview Power limit (POWER LIMIT) Operation Over power limit. Value (fixed) Approx. 105% of rated output power Analog Programming and Monitoring External voltage control Accuracy and linearity: ±0.5% of rated output voltage. output voltage External voltage control Accuracy and linearity: ±1% of rated output current.
  • Page 24 PSW Service Manual Output voltage measurement resolution Output current measurement resolution Series and Parallel Capability Parallel number Units Series Number None None Units Input Characteristics Nominal input rating 100Vac to 240Vac, 50Hz to 60Hz, single phase Input voltage range 85Vac ~ 265Vac Input voltage range 47Hz ~ 63Hz Maximum input current...
  • Page 25 PSW Series Overview Between output and chassis: 500 Vdc, 100MΩ or more for 30V, 80V, 160V and 250V models. 1000Vdc, 100MΩ or more for 800V models. *1: At 85 ~ 132Vac or 170 ~ 265Vac, constant load. *2: From No-load to Full-load, constant input voltage. Measured at the sensing point in Remote Sense.

  • Page 26: Psw 720W

    PSW Service Manual PSW 720W PSW 30-72, 80-27, 160-14.4, 250-9, 800-2.88 Model Unit PSW 30-72 PSW 80-27 PSW 160-14.4 PSW 250-9 PSW 800-2.88 Rated Output Voltage Rated Output Current 14.4 2.88 Rated Output Power Power Ratio 3.125 Constant Voltage Mode Line Regulation (*1) Load Regulation (*2) Ripple and Noise (*3)
  • Page 27 PSW Series Overview Value (fixed) Approx. 105% of rated output power Analog Programming and Monitoring External voltage control Accuracy and linearity: ±0.5% of rated output voltage. output voltage External voltage control Accuracy and linearity: ±1% of rated output current. output current External resistor control Accuracy and linearity: ±1.5% of rated output voltage.
  • Page 28 PSW Service Manual Series and Parallel Capability Parallel number Units Series Number None None Units Input Characteristics Nominal input rating 100Vac to 240Vac, 50Hz to 60Hz, single phase Input voltage range 85Vac ~ 265Vac Input voltage range 47Hz ~ 63Hz Maximum input current 100Vac 200Vac...
  • Page 29 PSW Series Overview *3: Measure with JEITA RC-9131B (1:1) probe *4: Measurement frequency bandwidth is 10Hz to 20MHz. *5: Measurement frequency bandwidth is 5Hz to 1MHz. *6: From 10% to 90% of rated output voltage, with rated resistive load. *7: From 90% to 10% of rated output voltage, with rated resistive load.

  • Page 30: Psw 1080W

    PSW Service Manual PSW 1080W PSW 30-108, 80-40.5, 160-21.6, 250-13.5, 800-4.32 Model Unit PSW 30-108 PSW 80-40.5 PSW 160-21.6 PSW 250-13.5 PSW 800-4.32 Rated Output Voltage Rated Output Current 40.5 21.6 13.5 4.32 Rated Output Power 1080 1080 1080 1080 1080 Power Ratio 3.125...
  • Page 31 PSW Series Overview Analog Programming and Monitoring External voltage control Accuracy and linearity: ±0.5% of rated output voltage. output voltage External voltage control Accuracy and linearity: ±1% of rated output current. output current External resistor control Accuracy and linearity: ±1.5% of rated output voltage.
  • Page 32 PSW Service Manual Output current measurement resolution Series and Parallel Capability Parallel number Units Series Number None None Units Input Characteristics Nominal input rating 100Vac to 240Vac, 50Hz to 60Hz, single phase Input voltage range 85Vac ~ 265Vac Input voltage range 47Hz ~ 63Hz Maximum input current 100Vac...
  • Page 33 PSW Series Overview *1: At 85 ~ 132Vac or 170 ~ 265Vac, constant load. *2: From No-load to Full-load, constant input voltage. Measured at the sensing point in Remote Sense. *3: Measure with JEITA RC-9131B (1:1) probe *4: Measurement frequency bandwidth is 10Hz to 20MHz.

  • Page 34: Block Diagram

    PSW Service Manual Block Diagram 360W models (Type I) PSW 30-36, 80-13.5, 160-7.2 DC Output Output Filter (SW01P03X-2) J880 Analog USB Port Connector J311 J312 J607 J402 J401 J205 J310 J403 J404 J204 J301 J606 J600 J203 Analog/Digital Isolated DC/DC PFC &...

  • Page 35: Models (Type I) Psw 250-4.5, 800-1.4

    PSW Series Overview 360W models (Type I) PSW 250-4.5, 800-1.4 DC Output J906 250V (SW01P19X) Output Filter 800V (SW01P14X) (SW01P20X) J901 J902 J905 Analog USB Port Connector J311 J312 J607 J402 J401 J205 J310 J403 J404 J204 J301 J606 J600...
  • Page 36 PSW Service Manual 720W models (Type II) PSW 30-72, 80-27, 160-14.4 DC Output Output Filter (SW01P03X-2) J880 Analog USB Port Connector J311 J312 J205 J311 J312 J607 J402 J401 J205 J690 J400 J310 J691 J693 J204 J310 J403 J404 J204 J301 J692 J694...

  • Page 37: Models (Type Ii) Psw 250-9, 800-2.88

    PSW Series Overview 720W models (Type II) PSW 250-9, 800-2.88 DC Output J906 J909 250V (SW01P19X) Output Filter 800V (SW01P15X) J910 (SW01P20X) J901 J902 J905 Analog USB Port Connector J311 J312 J205 J311 J312 J607 J402 J401 J205 J690 J400...

  • Page 38: 1080W Models (Type Iii) Psw 30-108, 80-40.5, 160-21.6

    PSW Service Manual 1080W models (Type III) PSW 30-108, 80-40.5, 160-21.6 DC Output Output Filter (SW01P03X-2) J880 Analog USB Port Connector J311 J312 J205 J311 J312 J607 J402 J401 J205 J311 J312 J205 J690 J400 J690 J310 J691 J693 J204 J310 J403 J404...

  • Page 39: 1080W Models (Type Iii) Psw 250-13.5, 800-4.32

    PSW Series Overview 1080W models (Type III) PSW 250-13.5, 800-4.32 DC Output J906 J909 250V J915 (SW01P19X) Output Filter 800V (SW01P16X) J910 J916 (SW01P20X) J901 J902 J905 Analog USB Port Connector J311 J312 J205 J311 J312 J607 J402 J401 J205...

  • Page 40: Verification

    PSW Service Manual ERIFICATION The Verification chapter describes how to make sure the power supply is operating properly by verifying its major functionalities. The verification is intended for a full performance inspection before shipping the power supply to the end user, after major component replacements, or a firmware upgrade.

  • Page 41: Preparing For Verification

    Verification Preparing for Verification In order to ensure performance accuracy, we recommend Note you to verify all items listed in this chapter at once. When using the power supply in a new environment  When to verify the specification After replacing one of the major internal modules, such ...

  • Page 42: List Of Equipment For Verification

    PSW Service Manual List of Equipment for Verification Here is the list of all equipment used in the service operations. Type Specifications Recommended Model GW Instek  Resolution: 1 uV @ 1V  GDM-8261A Digital Voltmeter PCS-1000 or  Readout: 6 1/2 digits ...

  • Page 43: Constant Voltage Tests

    Verification Constant Voltage Tests Voltage Programming and Measurement Accuracy Precision Connection Current Shunt PCS-1000 Fig. 1 ＋ ＋ Electronic DC Load ＋ PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Background This test verifies that the voltage programming and measurement functions are within specifications.

  • Page 44: Cv Load Regulation

    PSW Service Manual CV Load Regulation Precision Connection Current Shunt PCS-1000 Fig.2 ＋ ＋ Electronic DC Load ＋ PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Background This test measures the change in output voltage resulting from a change in output current from full load to no load. Procedure 1.

  • Page 45: Cv Line Regulation

    Verification CV Line Regulation Precision Connection Current Shunt PCS-1000 Fig. 3 ＋ ＋ Electronic DC Load ＋ PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Background This test measures the change in output voltage that results from a change in AC line voltage from the minimum to maximum value within the line voltage specifications.

  • Page 46: Cv Ripple And Noise

    PSW Service Manual CV Ripple and Noise Connection BW: 20MHz Fig. 4 50 Ohm JEITA Standard RC-9131C 4700pF ＋ ＋ Electronic DC Load ＋ PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Connection M2170 BW: 10MHz Fig. 5 Low Pass Filter BW: 1MHz ＋...

  • Page 47: Transient Recovery Time

    Verification Verifying CV Ripple and Noise is complete Transient Recovery Time Background This measures the time for the output voltage to recover to within the specified value following a 50% to 100% change in the load current. Connection Fig. 6 ＋...
  • Page 48 PSW Service Manual 7. The output voltage should return to within the specified voltage in the specified time following the 50% to 100% load change. Check transients by triggering on the positive and negative slope. Record the voltage at time t in the performance test record form under Transient Response.

  • Page 49: Constant Current Tests

    Verification Constant Current Tests Current Programming and Measurement Accuracy Precision Connection Current Shunt PCS-1000 Fig. 8 ＋ ＋ ＋ Electronic DC Load PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Background This test verifies that the current programming and measurement functions are within specifications.

  • Page 50: Cc Load Regulation

    PSW Service Manual CC Load Regulation Precision Connection Current Shunt PCS-1000 Fig. 9 ＋ ＋ Electronic DC Load ＋ PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Background This test measures the change in output current resulting from a change in output voltage from full scale to short circuit.

  • Page 51: Cc Line Regulation

    Verification CC Line Regulation Precision Connection Current Shunt PCS-1000 Fig. 10 ＋ ＋ Electronic DC Load ＋ PEL-2004 PEL-2040 AC Power Source PEL-2041 GKP-2302 － PEL-2042 － － Background This test measures the change in output current that results from a change in AC line voltage from the minimum to maximum value within the line voltage specifications.

  • Page 52: Verification Test Record Form

    PSW Service Manual Verification Test Record Form Print out these pages and record the results. Keep it with the power supply. Model PSW30-36 PSW 30-72 PSW 30-108 Serial number ____________________ Date Year___________ Month__________ Date___________ Verified by Name____________________________ Company/Contact_________________________ Environment Temperature______°C Humidity______% Constant Voltage Test Model Min.
  • Page 53 Verification 30-108 Iout - 100 mA Iout + 100 mA Rated Current Iout 30-36 35.934 A 36.066 A 30-72 71.898 A 72.102 A 30-108 107.862 A 108.138 A Measurement Accuracy 30-36 Iout - 66 mA Iout + 66 mA 30-72 Iout - 102 mA Iout + 102 mA 30-108...
  • Page 54 PSW Service Manual Transient Response Time Voltage @ 1ms - 90 mV + 90 mV Constant Current Test Model Min. Specs. Results Max. Specs. Current Programming and Measurement Minimum Current Iout 80-13 - 10 mA + 10 mA 80-27 - 30 mA + 30 mA 80-40 - 40 mA...
  • Page 55 Verification - 83 mV + 83 mV CV Line Regulation - 85 mV + 85 mV CV Load Regulation CV Ripple and Noise peak-to-peak 160-7.2 60 mV 160-14.4 N/A 80 mV 160-21.6 N/A 100 mV 160-7.2 12 mV 160-14.4 N/A 15 mV 160-21.6 N/A 20 mV...
  • Page 56 PSW Service Manual Constant Voltage Test Model Min. Specs. Results Max. Specs. Voltage Programming and Measurement - 200 mV + 200 mV Minimum Voltage V Measurement Accuracy All Vout - 200 mV Vout + 200 mV 249.55 V 250.45 V Rated Voltage Vout Measurement Accuracy All Vout - 450 mV...
  • Page 57 Verification 800V Model PSW 800-1.44 PSW 800-2.88 PSW 800-4.32 Serial number ____________________ Date Year___________ Month__________ Date___________ Verified by Name____________________________ Company/Contact_________________________ Environment Temperature______°C Humidity______% Constant Voltage Test Model Min. Specs. Results Max. Specs. Voltage Programming and Measurement Minimum Voltage V - 400 mV + 400 mV Measurement Accuracy All Vout - 400 mV...
  • Page 58 PSW Service Manual Measurement Accuracy 800-1 Iout - 3.5 mA Iout + 3.5 mA 800-2 Iout - 6.9 mA Iout + 6.9 mA 800-4 Iout - 10.4 mA Iout + 10.4 mA 800-1 - 6.44 mA + 6.44 mA CC Line Regulation 800-2 - 7.88 mA + 7.88 mA...

  • Page 59: Calibration And Adjustment

    Calibration and Adjustment ALIBRATION AND DJUSTMENT List of Equipment for Calibration .......... 60 Analog Interface Calibration ..........61 Remove the top cover ..................61 Confirm the locations of adjustment point ............61 Connection of the device ................... 62 Calibration procedure ..................62 Constant Voltage Calibration ..........

  • Page 60: List Of Equipment For Calibration

    Here is the list of all equipment used in the calibration operations. Type Specifications Recommended Model “ . Ω . %, TC= ppm/℃  GW Instek  “ . Ω . %, TC= ppm/℃ Precision Current  PCS-1000 or Shunt “...

  • Page 61: Analog Interface Calibration

    Calibration and Adjustment Analog Interface Calibration Remove the Top Cover Before executing this calibration, please remove the top cover from the device. There are 9 screws to unscrew from both sides and top as shown in the photos below. The location of adjustment points The location of adjustment point VR400 and VR401 are shown in the photo below.

  • Page 62: Connection Of The Device

    PSW Service Manual Connection of the device Please refer to the connection diagram below to connect the required device Precision Current Shunt PCS-1000 ＋ ＋ ＋ Electronic DC Load PEL-2004 PEL-2040 PEL-2041 － PEL-2042 － － A.R.C Pin4 Pin16 Pin5 CH1: CH2: 10.000V...
  • Page 63 Calibration and Adjustment 3. Use the current knob to enter the password Current corresponding to the model being calibrated. The password for each model is listed below. PSW 30-36 3036 PSW 30-72 3072 PSW 30-108 3010 PSW 80-13.5 8013 PSW 80-27 8027 PSW 80-40.5 8040 PSW 160-7.2 1607 PSW 160-14.4 1614 PSW 160-21.6 1621 PSW 250-4.5 2545 PSW 250-9...
  • Page 64 PSW Service Manual PSW 800-2.88 799.840 800.160 PSW 30-108 29.994 30.006 PSW 80-40.5 79.984 80.016 PSW 160-21.6 159.968 160.032 PSW 250-13.5 249.950 250.050 PSW 800-4.32 799.840 800.160 8. Press the voltage knob to return external voltage Voltage calibration (C010). 9. Rotate the voltage knob to Voltage prepare to execute the external output current...
  • Page 65 Calibration and Adjustment 11. Press the voltage knob to return to the external current Voltage calibration (C020). 12. Rotate the voltage knob to Voltage exit the external current calibration display (C030 is displayed). 13. Press the voltage knob to return main calibration Voltage display.

  • Page 66: Constant Voltage Calibration

    PSW Service Manual Constant Voltage Calibration Connection of the device Please refer to the connection diagram below to connect the required device Precision Current Shunt PCS-1000 ＋ ＋ ＋ Electronic DC Load PEL-2004 PEL-2040 PEL-2041 － PEL-2042 － － Calibration procedure Step 1.
  • Page 67 Calibration and Adjustment 4. Press the voltage knob to enter the analog interface Voltage calibration. C000 will be displayed when the calibration is successful. 5. Use the current knob to enter Current constant voltage calibration mode. To enter the calibration mode, rotate the current knob until 1 is shown on the bottom display (C000:1).
  • Page 68 PSW Service Manual “X” mark on the above diagram means that the value on the screen isn’t fixed. It depends on the actual value. NOTE 12. Rotate the current knob to set the middle Current voltage value on the PSW display to be the same as the reading on the PCS-1000’s voltmeter.
  • Page 69 Calibration and Adjustment 19. Rotate the voltage knob to go Voltage to the save mode (C130). 20. Rotate the current knob until 1 Current is shown on the bottom display (C130:1). 21. Press the voltage knob to save calibration the results. OK will Voltage be shown when the calibration value is saved.

  • Page 70: Constant Current Calibration

    PSW Service Manual Constant Current Calibration Connection of the device Please refer to the connect diagram below to connect the required device Precision Current Shunt PCS-1000 ＋ ＋ ＋ Electronic DC Load PEL-2004 PEL-2040 PEL-2041 － PEL-2042 － － Calibration procedure Procedure 1.
  • Page 71 Calibration and Adjustment 4. Press the voltage knob to enter the analog interface Voltage calibration. C000 will be displayed when the calibration is successful. 5. Use the current knob to enter Current constant voltage calibration mode. To enter the calibration mode, rotate the current knob until 1 is shown on the bottom display (C000:1).
  • Page 72 PSW Service Manual 12. Press the voltage knob to set the Half-scale current value. Voltage “X” mark on the above diagram means that the value on the screen isn’t fixed. It depends on the actual value. NOTE 13. Rotate the current knob to set the Half-scale Current current value on the PSW display to be the same as the reading on the PCS-1000’s...
  • Page 73 Calibration and Adjustment 19. You will automatically be returned to C120 after the automatic OCP calibration. 20. Rotate the voltage knob to go Voltage to the save mode (C130). 21. Rotate the current knob until 1 Current is shown on the bottom display (C130:1).

  • Page 74: Glossary Of All The Calibration Modes

    PSW Service Manual Glossary of all the calibration modes Display in voltage Display in Description Current F000 0000 Enter Calibration mode C000 Adjustment C010 ---- C011 ---- C020 ---- C021 ---- C110 ---- Enter the Voltage calibration mode C111 Standby calibration offset Voltage value C112 Calibration offset Voltage value C113...
  • Page 75 Calibration and Adjustment C128 OCP calibration C130 Exit calibration mode www.valuetronics.com...

  • Page 76: Disassembling The Power Supply

    PSW Service Manual ISASSEMBLING THE OWER UPPLY The Disassembly chapter shows how to remove the major units, PCBs, panels, and outer casing, from the power supply. The procedures described in this chapter are intended for parts replacement and board adjustment. The Mechanical Parts List show more details about the mechanical structures of the power supply and thus can be used as a reference.

  • Page 77: Models (Type I) Psw 30-36, 80-13.5, 160-7.2

    Disassembling the Power Supply 360W models (Type I) PSW 30-36, 80-13.5, 160-7.2 Explosion Diagram Mechanical Parts List Item Part No. Description 5812-21330201 STATIC FILM FOR PSW LCD FILTER, PET, 49.5*43.8mm 51SW-30360101 NP PSW 30-36 MODEL, LENS, RoHS 5005130G0101 KNOB PSW ENCODE KNOB, 13@, GRAY, RoHS 1042-SWLV0101 PSW-LV FP+LENS+BUTTON ASS'Y, RoHS 57RG-30B00101...
  • Page 78 PSW Service Manual 3203-01200501 ROCKER AJ8R2013ZCF, DC12V, DPST, ON-OFF 66CN-04650001 PILLAR HEXAGON, M3*4.6+5m/m, N, RoHS 62SW-360FP101 CA PSW-LV-M1 FRONT PLATE, RoHS 599B-03006NS1 IMS 3*6 594B-W3006NS1 Pan headed bolt with washer and split washer 3*6 62SW-360L01A1 CA PSW-LV-M1 BOTTOM COVER, RoHS 57FC-10B01001 RUBBER FOOT GL-4L, 19.7@*12.6T, BLACK, RoHS 594B-W3010NS1...

  • Page 79: Models (Type I) Psw 250-4.5, 800-1.44

    Disassembling the Power Supply 360W models (Type I) PSW 250-4.5, 800-1.44 Explosion Diagram www.valuetronics.com...

  • Page 80: Mechanical Parts List

    PSW Service Manual Mechanical Parts List Item Part No. Description 5005-130G0101 KNOB PSW ENCODE KNOB, 13@, GRAY, RoHS 51SW-25040101 NP PSW 250-4.5 MODEL, LENS, RoHS 1042-SWLV01B1 PSW-LV FP+LENS+BUTTON ASS'Y, RoHS 62SW-080FP201 CA PSW FP KEYPAD HP, RoHS 57RG-30B00101 SPONGE PSW FP FILTER, 65.8*16*9T, BLACK, RoHS 13SW-HVM1130 PCB ASS'Y SW01P130, PSW-HV-360W/720W (DISPLAY) 66CN-04650001 PILLAR HEXAGON, M3*4.6+5m/m, N, RoHS...

  • Page 81: Models (Type Ii) Psw 30-72, 80-27, 160-14.4

    Disassembling the Power Supply 720W models (Type II) PSW 30-72, 80-27, 160-14.4 Explosion Diagram www.valuetronics.com...

  • Page 82: Mechanical Parts List

    PSW Service Manual Mechanical Parts List Item Part No. Description 5812-21330201 STATIC FILM FOR PSW LCD FILTER, PET, 49.5*43.8mm 51SW-30720101 NP PSW 30-72 MODEL, LENS, RoHS 5005130G0101 KNOB PSW ENCODE KNOB, 13@, GRAY, RoHS 1042-SWLV0101 PSW-LV FP+LENS+BUTTON ASS'Y, RoHS 63FP-AG107601 PC PSW (SLAVE) FRONT FRAME, ABS, GRAY, RoHS 57RG-30B00101 SPONGE PSW FP FILTER, 65.8*16*9T, BLACK, RoHS...
  • Page 83 Disassembling the Power Supply 62SW-080CP501 CA PSW-LV-M2 CU5 CONDUCT PLATE, 88.3*13.3*2.5T 593B-04010NS1 FMS 4*10 62SW-080CP601 CA PSW-LV-M2 CU6 CONDUCT PLATE, 126.1*13.3*2.5T 592B-W3006NS1 Button bolt 3*6 62SW-080CP801 CA PSW CU8 CONDUCT PLATE, 17.7*6.9*0.5T, RoHS 62SW-080CP201 CA PSW CU2 CONDUCT PLATE, 92.9*15*2.5T, RoHS 62SW-080CP101 CA PSW CU1 CONDUCT PLATE,112.9*15*2.5T,RoHS 592B-W3008NS1...

  • Page 84: Models (Type Ii) Psw 250-9, 800-2.88

    PSW Service Manual 720W models (Type II) PSW 250-9, 800-2.88 Explosion Diagram www.valuetronics.com...

  • Page 85: Mechanical Parts List

    Disassembling the Power Supply Mechanical Parts List Item Part No. Description 5005-130G0101 KNOB PSW ENCODE KNOB, 13@, GRAY, RoHS 51SW-25090101 NP PSW 250-9 MODEL, LENS, RoHS 63FP-AG107601 PC PSW (SLAVE) FRONT FRAME, ABS, GRAY, RoHS 1042-SWLV01B1 PSW-LV FP+LENS+BUTTON ASS'Y, RoHS 57RG-30B00201 SPONGE PSW FP FILTER, 64.8*94*9T, BLACK, RoHS 57RG-30B00101...

  • Page 86: 1080W Models (Type Iii) Psw 30-108, 80-40.5, 160-21.6

    PSW Service Manual 1080W models (Type III) PSW 30-108, 80-40.5, 160-21.6 Explosion Diagram www.valuetronics.com...

  • Page 87: Mechanical Parts List

    Disassembling the Power Supply Mechanical Parts List Item Part No. Description 5812-21330201 STATIC FILM FOR PSW LCD FILTER, PET, 49.5*43.8mm 51SW-301H0101 NP PSW 30-108 MODEL, LENS, RoHS 5005130G0101 KNOB PSW ENCODE KNOB, 13@, GRAY, RoHS 1042-SWLV0101 PSW-LV FP+LENS+BUTTON ASS'Y, RoHS 63FP-AG107601 PC PSW (SLAVE) FRONT FRAME, ABS, GRAY, RoHS 62SW-080FP201...
  • Page 88 PSW Service Manual 593B-04010NS1 FMS 4*10 62SW-080CP301 CA PSW-LV-M3 CU3 CONDUCT PLATE, 159.3*13.3*2.5T 62SW-080CP401 CA PSW-LV-M3 CU4 CONDUCT PLATE, 159.3*13.3*2.5T 592B-W3006NS1 Button bolt 3*6 594B-W3008NS1 Pan headed bolt with washer and split washer 3*8 PCB SW01P03A, 2, FR4(contains 2 pieces), PSW DISPLAY + 35SW-01P030B1 FILTER 62SW-080RP101...

  • Page 89: 1080W Models (Type Iii) Psw 250-13.5, 800-4.32

    Disassembling the Power Supply 1080W models (Type III) PSW 250-13.5, 800-4.32 Explosion Diagram www.valuetronics.com...

  • Page 90: Mechanical Parts List

    PSW Service Manual Mechanical Parts List Item Part No. Description 5005-130G0101 KNOB PSW ENCODE KNOB, 13@, GRAY, RoHS 51SW-25130101 NP PSW 250-13.5 MODEL, LENS, RoHS 63FP-AG107601 PC PSW (SLAVE) FRONT FRAME, ABS, GRAY, RoHS 1042-SWLV01B1 PSW-LV FP+LENS+BUTTON ASS'Y, RoHS 57RG-30B00201 SPONGE PSW FP FILTER, 64.8*94*9T, BLACK, RoHS 57RG-30B00101 SPONGE PSW FP FILTER, 65.8*16*9T,BLACK, RoHS...
  • Page 91 Disassembling the Power Supply PCB ASS'Y SW01P110, PSW-250V-MASTER (DC-DC 13SW-HV25110 POWER) 13SW-HV25111 PCB ASS'Y SW01P110,PSW-250V-SLAVE (DC-DC POWER) 1 PCB ASS'Y SW01P160 PSW-250V-1080W(OUTPUT 13SW-HV25160 FILTER-3) 13SW-HVXX180 PCB ASS'Y SW01P180, PSW-HV (SLAVE-2) 5320-00403001 SNAP RIVET SR-3S PINGOOD, RoHS 57IL-28F15101 MYLAR PSW-HV AG PCB, 63*61*0.254T, RoHS 13SW-2HM3120 PCB ASS'Y SW01P120, PSW-250V-1080W (ANALOG CTRL) 1 62SW-080UP1D1 CA PSW-LV-M3 TOP COVER, RoHS...

  • Page 92: Pcb & Circuit Diagram

    IRCUIT IAGRAM This chapter shows the PCB layout and circuit diagrams used in the PSW series. For the list of PCB parts , see the Parts List chapter, page 99. Main PCB Layout for Models of 30V, 80, 160V ......93 Main PCB Layout for Models of 250V, 800V ......

  • Page 93: Main Pcb Layout For Models Of 30V, 80, 160V

    PCB & Circuit Diagram Main PCB Layout for Models of 30V, 80, 160V M A S T E R 3 0 V 8 0 V 1 6 0 V S L A V E 3 0 V 8 0 V 1 6 0 V www.valuetronics.com...

  • Page 94: Main Pcb Layout For Models Of 250V, 800V

    PSW Service Manual Main PCB Layout for Models of 250V, 800V J 3 0 2 T 3 0 4 C 3 5 9 J 3 0 3 J 3 0 0 C 3 3 3 C 3 3 2 C 3 7 5 C 3 7 4 C 3 7 3 C 3 5 7...

  • Page 95: Pfc & Aux Power Pcb Layout

    PCB & Circuit Diagram PFC & AUX power PCB Layout www.valuetronics.com...

  • Page 96: Circuit Diagram For Models Of 30V, 80, 160V

    PSW Service Manual Circuit Diagram for Models of 30V, 80, 160V C 3 0 6 C 3 2 6 4 0 0 V J 3 0 0 T 3 0 4 1 2 0 6 C 3 3 0 R 3 1 6 J 3 1 1 Q 3 0 4 T 3 0 4 _ 1 7...

  • Page 97: Circuit Diagram For Models Of 250V, 800V

    PCB & Circuit Diagram Circuit Diagram for Models of 250V, 800V C 3 2 3 R 3 1 6 R 3 9 6 1 2 0 6 2 W S 3 W S C 3 6 2 L 3 0 6 D 3 1 7 J 3 1 1 J 3 0 0...

  • Page 98: Pfc & Aux Power Circuit Diagram

    PSW Service Manual PFC & AUX Power Circuit Diagram C 2 5 7 C 2 6 1 D 2 1 5 D 2 0 9 1 K V 1 K V R 2 6 1 3 W S C 2 0 6 C 2 7 4 D 2 1 4 L 2 0 9...

  • Page 99: Parts List

    Parts List ARTS The Parts List chapter shows the lists for all electrical components used in in the PSW series, together with their descriptions and part numbers. Electrical Parts List ............. 100 SW01P01X ....................... 100 SW01P09X_30V, 80V, 160V ................101 SW01P11X_250V, 800V ...................

  • Page 100: Electrical Parts List

    PSW Service Manual Electrical Parts List SW01P01X Ref. Des. Model Part Number Description BD200 2504-XB60H011 BRIDGE D10XB60H, 10A, 600V ,RoHS C201 2254-25107M21 CSE2 25V, 100uM, 105'C 6.3*11, EKY-250ETD101MF11D C202 2271-6A104K01 CSD 630V, 0.1uK, 18*13.5 ,P=15, END630P10K000 C203 2291-3D105K01 CSK AC300V, 1uK, P=22.5, X1, CKX105K300S, RoHS C204 2201-4X222M31 CSC AC400V, 2200pM ,P=9.5, Y1, JD222MY5UY1, RoHS C205...

  • Page 101: Sw01P09X_30V, 80V, 160V

    Parts List D202 2501-F10JA201 DIODE RGF10JA, SMD DO-214AC, ZOWIE, RoHS D203 2512-S1040201 SCHOTTKY BARRIER DIODE SS1040FL, SMD, RoHS D205 2501-GF30D201 DIODE UGF30D, 3A, 200V, SMD, RoHS D206 2501-ES1D0201 DIODE ES1D, 200V, 1A, SMD, PANJIT, RoHS D207 2501-ES1D0201 DIODE ES1D, 200V, 1A, SMD, PANJIT, RoHS D208 2501-ES1D0201 DIODE ES1D, 200V, 1A, SMD, PANJIT, RoHS...
  • Page 102 PSW Service Manual C315 30V,80V 2201-1K471K01 CSC 1KV, 470pK, P=5.0, DESD33A471KA2B, MURATA C315 160V 2201-1K221K11 CSC 1KV, 220pK, P=5.0, DEBB33A221KC1B, MURATA C316 30V,80V 2201-1K471K01 CSC 1KV, 470pK, P=5.0, DESD33A471KA2B, MURATA C316 160V 2201-1K221K11 CSC 1KV, 220pK, P=5.0, DEBB33A221KC1B, MURATA C317 2254-25107M21 CSE2 25V, 100uM, 105'C 6.3*11, EKY-250ETD101MF11D C318...

  • Page 103: Sw01P11X_250V, 800V

    Parts List D321 2512-20150301 SCHOTTKY DIODE MBR20150FCT, 150V, 20A, PANJIT D321 160V 2501-20010301 ULTRAFAST DIODE RF2001T3D, 300V, 20A, ROHM F300 37FF-77A44021 FUSE F 8.35@*7.7 ,4A 250V MEF RoHS 80V, F300 37FF-77A42021 FUSE F 8.35@*7.7 ,2A 250V MEF RoHS 160V MOSFET TK15A50D(Q)(STA4, Q, M)(STA4, X, M), Q304 266A-15A50D01 TOSHIBA...
  • Page 104 PSW Service Manual C341 2251-2B826M01 CSE2 250V, 82uM 105'C 12.5*25 EKXJ251ELL820MK25S C342 2251-2B826M01 CSE2 250V, 82uM 105'C 12.5*25 EKXJ251ELL820MK25S C351 250V 2251-2B826M01 CSE2 250V, 82uM 105'C 12.5*25 EKXJ251ELL820MK25S C351 800V 2251-4B186M01 CSE2 450V, 18uM 105'C 12.5*20 EKXJ451ELL180MK20S C352 250V 2251-2B826M01 CSE2 250V, 82uM 105'C 12.5*25 EKXJ251ELL820MK25S C352 800V...
  • Page 105 Parts List R319 250V 2075L22B1J311 RO 2W, 220RJ, RSF2WS220RJFKK, RoHS R319 800V 2075B47B1J311 RO 2W, 470RJ, VERT, MO-2W-470-FKK, RoHS R320 250V 2075L22B1J311 RO 2W, 220RJ, RSF2WS220RJFKK, RoHS R320 800V 2075B47B1J311 RO 2W, 470RJ, VERT, MO-2W-470-FKK, RoHS R321 250V 2075L22B1J311 RO 2W, 220RJ, RSF2WS220RJFKK, RoHS R321 800V 2075B47B1J311...

This manual is also suitable for:

Psw 30-36Psw 80-13.5Psw 160-7.2Psw 250-4.5Psw 800-1.44

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