Service Appendix D
Series N6700 User’s Guide 171
Disassembly
WARNING
SHOCK HAZARD. FAN HAZARD. Turn off the mainframe and disconnect its
power cord before attempting any of the following disassembly procedures.
Electrostatic Discharge (ESD) Precautions
Almost all electrical components can be damaged by electrostatic
discharge (ESD) during handling. Component damage can occur at
electrostatic discharge voltages as low as 50 volts. The following
guidelines will help prevent ESD damage when servicing the
instrument or any electronic device.
Disassemble instruments only in a static-free work area.
Use a conductive work area to reduce static charges.
Use a conductive wrist strap to reduce static accumulation.
Minimize handling.
Keep replacement parts in original static-free packaging.
Remove all plastic, foam, vinyl, paper, and other static-generating
materials from the immediate work area.
Required Tools
Tool Use
9/32 Hex driver Removing GPIB connector
5/16 Hex driver Removing DC cable assembly from bias supply
T25 Torx driver Removing carrier/bias board, handles, and bulk supply
T10 Torx driver Removing covers, modules, and board assemblies
T8 Torx driver Removing interface board on N6700A mainframes
Agilent 34401A DMM
or equivalent
For measuring voltage and resistance
Ribbon Cables
Note the position of the conductive side of the cable for re-
installation. (The blue tab is on the non-conductive side.)
Connectors release the cable by pulling on the end tabs as shown
by the arrows in the following figure.
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