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Introduction and General Description
The Megadyne Mega Power Electrosurgical Generator is designed to produce
radio frequency (RF) current for cutting and coagulation during surgical
procedures. It is an isolated output generator.
This manual describes the attributes and specifications of the generator,
describes the internal workings, and provides a guide to the procedures
necessary for calibrating, testing and servicing the unit. For reasons of
personnel safety and continuing reliability, the generator should not be operated,
calibrated, tested, or internally examined by anyone except trained technicians
who are skilled in the operation and service of medical electronics equipment.
Component-level electronic repair is restricted to Megadyne authorized
personnel.
List of Assemblies
The MEGA POWER generator contains the following subassemblies:
• Front Panel
o Control switch overlay
o Indicators
o Display Printed Circuit Board
o Power switch
• Rear Panel
o Footswitch receptacles
o Volume control
o Power entry module
o Grounding lug
o RS232C port for system control and diagnostics
• Internal assemblies
o Power Factor Printed Circuit Board
o Microcontroller Printed Circuit Board
o Footswitch Printed Circuit Board
o Main Printed Circuit Board
High Voltage Power Supply
RF Output
Heatsink Assemblies
Low Voltage Power Supply
Safety Circuits
Fan Assembly
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