List of Components
3-2 LigaSure Vessel Sealing Generator Service Manual
List of Components
The LigaSure vessel sealing system, a self-contained unit, consists of a main
enclosure (cover and base) and power cord. The generator includes the following
components:
• Front panel — power switch; regrasp indicator; controls for setting the output
power and intensity; a button for recalling the most recently used power and
intensity settings; receptacles for connecting electrosurgical accessories;
displays for viewing power and intensity control settings; and smart indicators
for correct Valleylab LigaSure handset and bipolar adapter use.
• Rear panel — volume control; two footswitch receptacles; option panel
(containing RF activation port, RS-232 serial port, and expansion port);
equipotential grounding lug; and power entry module (fuse drawer with two
fuses and power cord receptacle).
• Internal —control (microcontroller) board; display board; smart board;
footswitch board; a high voltage power supply; radio frequency (RF) board;
and a low voltage power supply.
Refer to Chapter 5, Principles of Operation for details about the interaction of the
main components and for circuit board descriptions.
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