Keithley 2000 Repair Manual

VR101,114
VR102
VR103,104
VR105,106,115,116
VR107,108
VR109
VR110
VR112,113
Y101
Y102
VAR, 576V METAL OXIDE
DIODE, ZENER 6.2V, BZX84B6V2 (SOT-23)
DIODE, ZENER, 6.8V,MMSZ5235BT1 (SOD-23)
DIODE, ZENER 11V,MMSZ11T1 (SOD-123)
DIODE, ZENER 3.3V, MMBZ5226BL(SOT-23)
DIODE, ZENER 17V, MMBZ5247BL (SOT-23)
DIODE,ZENER 5.1V, BZX84C5V1 (SOT-23)
DIODE, ZENER, 6.2V MMS26V2 SOD-123
CRYSTAL, 14.7456MHZ
OSCILLATOR HIGH SPEED CMOS 12MHZ
VR-5
DZ-87
DZ-100
DZ-103
DZ-94
DZ-104
DZ-88
DZ-97
CR-39
CR-37
** Order present firmware revision.
Table 4-4
Model 2000 mechanical, parts list
Description Keithley part no.
2-56X5/8 PHILLIPS PAN HEAD SCREW SCANNER BOARD ASSEMBLY
4-40X1/4 PHIL FLAT HD UNDERCUT SR WRAP TO CHASSIS
4-40X5/16 PHILLIPS PAN HD SEMS MOTHER BOARD TO CHASSIS
6-32 KEP NUT SAFETY GROUND
6-32X1 PH PAN HD SEMS SCR FOR MOTHER BOARD SHIELD
6-32X1/4 PHIL. PAN HD SEMS CARD GUIDE TO CHASSIS
6-32X1/4 PHILLIPS FLAT HD FOR REAR FOOT
8-32 SMALL NUT FOR TRANSFORMER MOUNTING
#8 INTERNAL TOOTH LOCKWASHER FOR TRANSFORMER MOUNTING
2-56X5/8PPH
4-40X1/4PFHUC
4-40X5/16PPHSEM
6-32KEPNUT
6-32X1PPHSEM
6-32X1/4PPHSEM
6-32X1/4PFH
8-32SMNUT
8LKWA
Table 4-3(cont.)
Model 2000 motherboard, parts list
Circuit desig. Description Keithley part no.
4-10 Replaceable Parts

Keithley 2000 Specifications

General

Digits	6.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Connectivity	IEEE-488 (GPIB)
Display Type	VFD