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5700A/5720A Series II Calibrator
Service Manual
3-4
3-2. Accessing the Fuse
The fuse is accessible from the rear panel. The fuse rating label to the right of the fuse
holder shows the correct replacement fuse ratings for each operating voltage. To access
the fuse, refer to Figure 3-1 and proceed as follows:
1. Disconnect line power.
2. Using a standard screwdriver, turn the fuse holder counterclockwise until the cap
and fuse are disengaged.
VOLTAGE
SELECTION
FUSE-F1
T 125A
250V
(SB)
100V
S2 S3 S4
110V
115V
120V
VOLTAGE
SELECTION
FUSE-F1
T 125A
250V
(SB)
200V
S2 S3 S4
220V
230V
240V
CHASSIS
GROUND
S2 S3 S4
FUSE -F1
!
F7-1.EPS
Figure 3-1. Accessing the Fuse