
SPD1000X series service manual
Copyright and Declaration..................................................................................2
General Safety Summary....................................................................................3
Safety Terms and Symbols.................................................................................5
Chapter 1 General Features and Specifications.............................................8
General Features............................................................................................................8
Features and benefits....................................................................................................8
Specifications..................................................................................................................9
Prepare Information.....................................................................................................11
Power-on Inspection....................................................................................................11
Interface test..................................................................................................................12
Chapter 2 Performance Verification................................................................14
Testing report
.................................................................................................................15
Verify power regulation rate
.........................................................................................16
Verify load regulation rate
............................................................................................18
Verify output voltage accuracy ...................................................................................21
Verify output current accuracy....................................................................................23
Verify output ripple and noise.....................................................................................24
Verify the output voltage overshoot of on/off............................................................26
Verify transient response recovery time
.....................................................................26
Verify short circuit protection
.......................................................................................27
Verify overvoltage protection
.......................................................................................28
Chapter 3
Calibration channel parameters
.....................................................29
Calibration instructions:...............................................................................................29
Open the NI Control Command interface.................................................................29
Clear parameters:.........................................................................................................30
Voltage calibration........................................................................................................30
Displaying current calibration .....................................................................................31
Setting current calibration ...........................................................................................32
Save calibration parameter.........................................................................................33
Chapter 4 Disassembly and assembly ...........................................................33
Safety prevention..........................................................................................................34
Module list......................................................................................................................34
Tools:..............................................................................................................................34
Teardown steps:............................................................................................................35
Chapter 5 Hardware troubleshooting..............................................................43
ESD prevention.............................................................................................................43
Required Equipment....................................................................................................44
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