Acer X221 Service Manual page 37

LOCK UP 2*PCS SCREWS ON THE
LOCATION OF MAIN BOARD
GET THE MYLAR OF POWER/B AND
INSERT IT TO THE SHIELDING
LOCK UP 1*PCS SCREWS(M4*8-B) ON
THE LOCATION OF POWER BOARD AS
LEFT SHOW
LOCK UP 3*PCS SCREWS(M3*6-B) ON
THE LOCATION OF POWER BOARD AS
LEFT SHOW
MOVE THE SHIELDING ON FRONT OF
POWER BOARD
TEAR OFF THE PACKING OF PANEL
PUT PANEL ON THE PRODUCTION
LINE AND TEAR OFF THE COLLOID