224. Mechanical InstructionsNote: May be there is a little difference for the following pictures with the LT42A1, only for your reference.1. Unscrew the 5 screws in red to remove NECK COVER and STAND/BASE and as Fig 1.Fig 12. Unscrew the 16 screws in red to remove REAR COVER and COVER IO and as Fig 2.Fig 23. Disconnect all the WIRES in green as Fig 3.