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N2775A Power Supply
Description of Parts
How to Change the Power Supply Fuse and the Power Supply Voltage
The power supply fuse for the N2775A unit, and the power supply voltage
selector, are housed in the power input socket on the rear panel.
• In order to prevent electric shock, always disconnect the power cord from
WARNING
the receptacle before replacing the fuse.
• Always replace the fuse with a new fuse of the specified rating. Never use a
fuse of other than the specified rating, and never short circuit the fuse holder
to prevent an accident resulting in injury or death.
• 100 V, 120 V: F1.0 AL/250 V20 mm x 5 mm dia.
• 220 V, 240 V: F0.5 AL/250 V20 mm x 5 mm dia.
To change the fuse, or to alter the power supply voltage setting, use the following
procedure with reference to the figures.
Turn the power switch off, and then remove the power cord.
1
Using a slot head screwdriver or the like, bias sideways the catch which
2
holds the fuse box into the power input socket as shown in the figure,
and then remove the fuse box. When changing the power supply fuse:
Change the power supply fuse for a new one of the same rating and
3
specification. When altering the power supply voltage setting:
Remove the voltage selector from the fuse box, and reinsert it after having
1
rotated it so that the desired new power supply voltage setting appears
in the display window as shown in the figure. Be sure to recheck the
setting value shown in the window. (The voltage display is upside down
and backwards.).
Change the power supply fuse for a new one whose rating and
2
specification are appropriate for the new power supply setting.
Replace the fuse box by reinserting it into the power input socket.
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