Keithley 2000 Repair Manual

Power module removal
Perform the following steps to remove the power module:
1. Remove motherboard.
2. Unplug the transformer wires that attach to the power module at the rear panel.
During re-assembly, use drawing 2000-050 as a reference and replace the wires as fol-
lows:
3. Disconnect the power module's ground wire. This green and yellow wire connects to a
threaded stud on the chassis with a kep nut.
4. Squeeze the latches on either side of the power module while pushing the module
from the access hole.
WARNING To avoid electrical shock, which could result in injury or death, the ground wire of the power
module must be connected to chassis ground. When installing the power module, be sure to
re-connect the green and yellow ground wire to the threaded stud on the chassis.
Top wire
Right top
Right bottom
Left top
Left bottom
Gray
Violet
White
Red
Blue
Disassembly 3-11

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