Sony BDP-BX58 Service Manual

Also see for BDP-BX58: Operating instructions Specifications

Contents

USB (Front) Device Flow (except BDP-S280)USB device is not recognizedInsert he USB device again.Is it recognized when the power isturned OFF and then ON again?No Is 5V present at CN201(IF-170board) pin1? No Is 5V present at IC601(MB board) Pin 5 ? No Is 6V present at C601pin8(MB board)? No Power supply IC310 (MB board -defectiveYes Yes Yes YesPoor contact of he USB device Defective FFC between the IFboard and the MB board.Does replacing IC601(MB board)improve the symptoms? No Replace the MB boardYesReplace he FFC between theMB board and he IF board.Do the symptoms improve?No Replace he MB board. IC602(MB board) defectiveYesDefective FFC between the IFboard and the MB board9-16EBDP-BX58/S480/S483/S580