6Service
174 Keysight 34970A/34972A Service Guide
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 dissipate static charge.
– Use a conductive wrist strap to dissipate static charge accumulation.
– Minimize handling.
– Keep replacement parts in original static-free packaging.
– Remove all plastic, styrofoam, vinyl, paper, and other static-generating
materials from the immediate work area.
–Use only anti-static solder suckers.
Surface Mount Repair
Surface mount components should only be removed using soldering irons or
desoldering stations expressly designed for surface mount components. Use of
conventional solder removal equipment will almost always result in permanent
damage to the printed circuit board and will void your Keysight factory warranty.
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.
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