6
1142A Probe Control and Power Module
Using the 1142A
Checking the Power
Requirements and Fuse
The power module requires a power source of either 115 Vac
or 230 Vac, 47 to 440 Hz, 25VA maximum.
CAUTION
BEFORE CONNECTING POIWER TO THIS INSTRUMENT, be
sure the line voltage select switch on the instrument’s rear
panel is set properly. Applying a voltage excessive to the setting
may open the protective fuse.
The rear- panel fuse (F1) is a 0.25A, 250V time- delay fuse.
The fuse used is the same regardless of line voltage
selection. To replace the fuse:
1
Locate the fuse holder shown in
. Gently push the
fuse holder in using your finger or a flat- bladed screwdriver.
2
While the fuse holder is pushed in, gently turn the fuse
holder counterclockwise.
Figure 2
1142A Rear Panel
Summary of Contents for 1142A
Page 1: ...Agilent Technologies Agilent 1142A Probe Control and Power Module User s Guide...
Page 29: ...1142A Probe Control and Power Module Replaceable Parts 29 Figure 7 Schematic 1...
Page 31: ...1142A Probe Control and Power Module Replaceable Parts 31 Figure 9 Schematic 3...
