Keithley 2520 Service Manual page 9

Motherboard removal .................................................................
Front panel disassembly .............................................................
Removing power components ....................................................
Power supply module removal ...........................................
Power module removal .......................................................
Instrument re-assembly ..............................................................
Testhead disassembly .................................................................
Case disassembly ................................................................
Output board removal .........................................................
Input board removal ............................................................
Testhead re-assembly .................................................................
6 Replaceable Parts
Introduction ................................................................................
Parts lists ....................................................................................
Ordering information .................................................................
Factory service ...........................................................................
Component layouts ....................................................................
A Specifications
Accuracy calculations ...............................................................
Measurement accuracy ......................................................
Source accuracy .................................................................
B Calibration Reference
Introduction ...............................................................................
Command summary ..................................................................
Miscellaneous commands .........................................................
Measurement commands ...........................................................
Current source commands .........................................................
Voltage bias source commands .................................................
Detecting calibration errors .......................................................
Reading the error queue .....................................................
Error summary ...................................................................
Status byte EAV (Error Available) bit .............................
Generating an SRQ on error ............................................
Detecting calibration step completion .....................................
Using the *OPC? query ...................................................
Using the *OPC command ..............................................
Generating an SRQ on calibration complete ...................
5-4
5-5
5-6
5-6
5-6
5-6
5-7
5-7
5-7
5-7
5-7
6-2
6-2
6-2
6-2
6-2
A-8
A-8
A-8
B-2
B-2
B-3
B-6
B-7
B-8
B-9
B-9
B-9
B-10
B-10
B-10
B-10
B-11
B-11