Toshiba Satellite A500 SubBoards schematic COMPAL LS-4991P Rev 1.0 Light Pipe Board COMPAL LS-4992P Rev 1.0 SW Board COMPAL LS-4994P Rev 1.0 LED Board COMPAL LS-4995P Rev 1.0 USB Left Board COMPAL LS-5003P Rev 1.0 TP SW Board COMPAL LS-5004P Rev 1.0 Fingrprint Board