3-1. 55DA5550Service ManualChapter 3. Disassemble and Assemble3-1-1. Remove the Stand3-1-3. Remove the Mainboard1. Remove the three screws indicated with red circles.2. Remove the main board.1. Lay down the TV set .2. Remove the two c3. Remove the four screws from the stand whichin the picture above.4. Remove the stand. 3-1-4. Remove the Power Supply Module3-1-2. Remove the Back Cabinet3-1-4. Remove the Speaker1. Remove the screws indicated by red circle inbelow picture.1.Remove the twenty two screws indicated with redcircles. 2. Turn over the cover, remove the two screws indicated2.Flip machine, panel side up. by red circle in below picture, then you can take off3.Carefully raise the Front shell from bottom. the speaker11Model No.: 55DA5550