34405A User’s and Service Guide 119
Disassembly and Repair 5
Mechanical Disassembly
For procedures in this manual, the following tools are required for 
disassembly:
• T20 Torx driver (most disassembly)
• Flat Blade screw driver
• #2 Pozi–drive screw driver
General Disassembly
1 Remove power and all cables from the instrument.
2 Remove the carrying handle by rotating the handle upright and pulling 
out from the sides of the instrument.
WARNING
SHOCK HAZARD. Only service–trained personnel who are aware of the hazards 
involved should remove the instrument covers. To avoid electrical shock and 
personal injury, make sure to disconnect the power cord from the instrument before 
removing the covers. Some circuits are active and have power applied even when 
the power switch is turned off.
34405A users guide.book  Page 119  Saturday, September 2, 2006  3:38 PM