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322512B-01
©
Copyright 1999 National Instruments Corp. All rights reserved.
July 1999
NOTE TO USERS
A
DDITIONAL
I
NFORMATION
ABOUT
Y
OUR
PXI -1000B
The following information was compiled after publication of the
PXI-1000B User Manual. Please read this note carefully and refer to it in
conjunction with your PXI-1000B User Manual.
Replacing the Power Supply Fuse (AC-Only Chassis)
The PXI-1000B AC-only chassis has a fuse inside the power supply
module for additional protection beyond the external AC mains circuit
breaker. Complete the following steps to replace the 250 V, 12 A NB
(normal blow) fuse, as shown in Figure 1:
1.
Turn the power switch to the Standby position.
2.
Disconnect the AC line cord.
3.
Loosen the six captive screws in the back of the chassis, as shown in
Figure 2.
4.
Grasp the handles of the power supply module and remove it from the
back of the chassis.
5.
Replace the fuse.
6.
Reinstall the power supply module in the chassis.
7.
Tighten the six captive screws.
8.
Reconnect the AC line cord.
™
Summary of Contents for PXI 1000B
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