8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers
Replacing the Line Fuse
Tools Required
• small slot screwdriver
Removal
For continued protection against fire hazard, replace line fuse only
WARNING
with same type and rating (115 V operation: T 5A 125V UL/CSA; 230V
operation: T 4A H 250V IEC). The use of other fuses or materials is
prohibited.
1. Disconnect the power cord.
2. Use a small slot screwdriver to pry open the fuse holder.
3. Replace the failed fuse with one of the correct rating for the line voltage. See
"Hardware, Preregulator" on page 13-83
Replacement
1. Replace the fuse holder.
Service Guide
Assembly Replacement and Post-Repair Procedures
to find the part number.
Replacing the Line Fuse
14- 5