High Voltage (HV) Power Supply Board
Replacement Procedures
LigaSure Vessel Sealing Generator Service Manual 8-5
Re-install the Cover
1. Slide the cover toward the front of the chassis. When the cover stops sliding
forward, lift it slightly and continue to slide it toward the front of the chassis
until the leading edge of the cover is tight against the front panel.
2. Replace the three screws (M4 x .7 x 8) that secure the cover to the chassis.
3. Connect the power cord to the wall receptacle. As needed, connect
footswitches or handsets to the generator.
High Voltage (HV) Power Supply Board
Removing the HV power supply board involves removing the cover, removing the
RF heat sink bracket, disconnecting four cables, removing three screws, and
lifting the board out of the chassis. Installing a new power supply reverses the
process.
Tools Needed
• Phillips head screwdriver
Remove the High Voltage Power Supply Board
1. Turn off the generator. Disconnect the power cord from the wall receptacle.
Disconnect any footswitches or handsets currently connected to the generator.
2. Remove the cover.
3. Remove two screws (M4 x .7 x 8) that secure the RF heat sink bracket to the
heat sink and the chassis. Remove the bracket.
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