5
Table of Contents
Overview.................................................................................................................................................................................. 7
About This Manual............................................................................................................................................................... 7
Related Documents........................................................................................................................................................... 8
Revisions and Updates..........................................................................................................................................................8
Manual.............................................................................................................................................................................. 8
Firmware...........................................................................................................................................................................8
Safety Considerations........................................................................................................................................................... 9
Electrostatic Discharge......................................................................................................................................................... 9
Service Tools and Equipment............................................................................................................................................... 9
Verification and Performance Tests....................................................................................................................................11
Operation Verification Tests...............................................................................................................................................11
Performance Tests.............................................................................................................................................................. 11
Measurement Techniques............................................................................................................................................... 12
Setup for Most Tests................................................................................................................................................... 12
Current-Monitoring Resistor.......................................................................................................................................12
Programming.................................................................................................................................................................. 12
Constant Voltage (CV) Tests.......................................................................................................................................... 13
CV Setup.....................................................................................................................................................................13
Voltage Programming/Readback Accuracy................................................................................................................13
CV Load Effect........................................................................................................................................................... 13
CV Source Effect........................................................................................................................................................ 14
CV Noise (PARD)...................................................................................................................................................... 14
Transient Recovery Time............................................................................................................................................14
Constant Current (CC) Tests...........................................................................................................................................15
CC Setup..................................................................................................................................................................... 15
Current Programming/Readback Accuracy.................................................................................................................15
CC Load and Line Regulation.................................................................................................................................... 15
CC Load Effect........................................................................................................................................................... 16
CC Source Effect........................................................................................................................................................ 16
CC Noise (PARD)...................................................................................................................................................... 17
Troubleshooting.................................................................................................................................................................... 25
Troubleshooting Sequence..................................................................................................................................................25
Accessing the Flowcharts....................................................................................................................................................25
If You Experienced a Selftest Failure or RunTime Error Message.................................................................................26
If You Experienced Other Problems With the Module...................................................................................................26
Test Points.......................................................................................................................................................................... 48
Built-In Test Functions....................................................................................................................................................... 48
EEPROM Troubleshooting and Initialization.....................................................................................................................51
Troubleshooting.............................................................................................................................................................. 51
Initialization.................................................................................................................................................................... 51
Disassembly Procedures..................................................................................................................................................... 56
Removing the Module and Module Connector...............................................................................................................56
Removing the Cover....................................................................................................................................................... 56
Removing the Fan........................................................................................................................................................... 56
Removing the Front Panel Assembly..............................................................................................................................57
Removing the Power Board............................................................................................................................................ 57
Removing the Bias Board............................................................................................................................................... 57
Removing the Front Panel Board....................................................................................................................................57