Sony Blu-ray Disc BDP-S470 Operating Instructions Manual page 6

14)Relier all servicing to qualified
service personnel. Servicing is
required when the apparatus
has been damaged in any way,
such as power-supply cord or
plug is damaged, liquid has
been spilled or objects have
fidlen into the apparatus, the
apparatus has been exposed to
rain or moisture, does not
nperate normally, or has been
drnpped.