Figure 3-1 Power Module - Keithley 2750 Service Manual

Model 2750 Multimeter/Switch System Service Manual
Figure 3-1
Power module
!
DIGITAL I/O TRIG. LINK
CAUTION
3. If configuring the instrument for a different line voltage, remove the line voltage
selector from the assembly, and rotate it to the proper position. When the selector is
installed into the fuse holder assembly, the correct line voltage appears inverted in
the window.
4. Install the fuse holder assembly into the power module by pushing it in until it
locks in place.
Table 3-1
Power line fuse
Line Voltage
100/120V
200/240V
RS-232 IEEE-488
SLT
1
MADE IN
U.S.A.
SLT
2
CAT I
Line Voltage
Selector
Spring
Fuse Holder Assembly
Operating the Model 2750 on the wrong line voltage may result in instru-
ment damage.
0.630A, 250V, 5  20 mm, slow-blow
0.315A, 250V, 5  20 mm, slow-blow
Model 2750
Fuse
Window
Rating
Routine Maintenance
SLT
3
SLT
4
!
SLT
5
Keithley Part No.
FU-106-.630
FU-106-.315
3-3