Keithley 199 Instruction Manual page 19

SECTION 6-Maintenance
6-l
line Voltage Selection
.............. . ...... _, ..........................................................
6-l
6-2
Line Fuse Replacement ............................................................................
6-2
6-3 Current Fuse Replacement .........................................................
1 .........
_ ... 6-2
6-4 Recommended Calibration Equipment
.......... : .......................................
L..
I.. ... .~,_ 6-3~
6-5 DC Volts Calibration
......................... _~~_~_ .................................
I ....
I ... , ... , 6-6
6-6 Resistance Calibration
........................................................
,~. ......................
1 ~6-8
6-7 TRMS AC Volts Calibration .....................................................................
6-9
6-8 DC Current Calibration ............................................................
L_. .......
.. ... . . 6-1.2
6-9
TRMS AC Current Calibration ..................................................................
6-13
6-10
Recommended Troubleshooting Equipment ........................................................
6-18
6-11
~ModelWTroubIeshootingMode
........................
_. ....... _~ ......
~,-^~. ......... - ....
~.-~.~ .. 6-19
6-12
Power Supply Checks
................... _.~.~ ..... . ... .I .........................................
6-21
6-13
Digital Circuitry .Checks .......................................................................
, ....... 6-21
6-14 Display Circuitry Checks .........................................................................
6-22
645
ScannerBoard Checks ......................
..~................~....................~
.........
6-22
APPENDIX C-IEEE-488
BUS OVERVIEW
C-l IEEE-488 Bus Command Summary _ _~. . . _1_ C-3
c-2
Hexadecimal and Decimal Command Codes _ _ . . . _ . . . . .._
. . ~. .~_ C-7
c-3
C-4
Typical Addressed Command Sequence : .~. : .~.~1. . .,. . .~; .~. _~. _~. ; C-7
Typical Device-Dependent Command Sequence I _~ .~. . . _, . C-7
c-5 IEEE Command Group.. . . .~ _~_ .~.~, _. . . . . . . L
C-7