Acer TravelMate 4220 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 69
Removing the Inverter Board
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Removing the Inverter Board 1. Remove the screws on the lower edge of the LCD panel. Step 1 Type M2 x L3 BZN+NYLOK Quantity 3 Color Black Torque 1.6 kgf-cm +/-15% 2. Turn the board over and disconnect the 2P cable. 3. Disconnect the inverter cable from the board. Chapter 3 59