Service manual

6
DC Power Conversion Subsystem...................................................................................................................................... 54
Output Subsystem............................................................................................................................................................... 54
The Front Panel Board........................................................................................................................................................55
Replaceable Parts..................................................................................................................................................................57
Introduction......................................................................................................................................................................... 57
Ordering Information..........................................................................................................................................................58
Component Location and Circuit Diagrams ...................................................................................................................... 79
System Option 002 (6010A, 6011A, 6012B) ........................................................................................................................ 89
General Information............................................................................................................................................................ 89
Specifications..................................................................................................................................................................89
Option 002 Hardware...................................................................................................................................................... 89
Installation .......................................................................................................................................................................... 93
Connector Assembly Procedure...................................................................................................................................... 93
Operation ............................................................................................................................................................................ 94
Local/Remote Programming........................................................................................................................................... 95
Remote Resistance Programming................................................................................................................................... 97
Remote Monitoring......................................................................................................................................................... 99
Status Indicators............................................................................................................................................................100
Remote Control.............................................................................................................................................................100
Power-On Preset............................................................................................................................................................... 102
AC Dropout Buffer Circuit........................................................................................................................................... 103
Multiple Supply System Shutdown .............................................................................................................................. 103
Bias Supplies ................................................................................................................................................................ 104
Maintenance...................................................................................................................................................................... 104
Troubleshooting............................................................................................................................................................ 105
Troubleshooting Resistance and Voltage Programming............................................................................................... 105
Troubleshooting Current Programming........................................................................................................................ 105
Backdating...........................................................................................................................................................................116