Keithley SourceMeter 3A 2420 Service Manual page 10

5
Disassembly
Introduction .........................................................................................5-2
Handling and cleaning .........................................................................5-2
Handling PC boards ......................................................................5-2
Solder repairs ................................................................................5-2
Static sensitive devices ........................................................................5-3
Assembly drawings .............................................................................5-3
Case cover removal ..............................................................................5-3
Analog board removal .........................................................................5-4
Digital board removal ..........................................................................5-5
Front panel disassembly ......................................................................5-6
Removing power components..............................................................5-6
Power module removal .................................................................5-6
Instrument re-assembly........................................................................5-7
6
Replaceable Parts
Introduction..........................................................................................6-2
Parts lists ..............................................................................................6-2
Ordering information ...........................................................................6-2
Factory service.....................................................................................6-2
Component layouts ..............................................................................6-2
A
Specifications
Accuracy calculations.......................................................................A-10
Measurement accuracy..............................................................A-10
Source accuracy ........................................................................A-10
B
Command Reference
Introduction......................................................................................... B-2
Command summary............................................................................ B-2
Miscellaneous commands................................................................... B-3
Detecting calibration errors ................................................................ B-8
Reading the error queue............................................................... B-8
Error summary............................................................................. B-8
Status byte EAV (Error Available) bit.......................................... B-9
Generating an SRQ on error ........................................................ B-9
Detecting calibration step completion .............................................. B-10
Using the *OPC? query ............................................................. B-10
Using the *OPC command ........................................................ B-10
Generating an SRQ on calibration complete ............................. B-11