Sony NW-HD5 Operating Instructions (English) Operating Instructions Manual page 72

Others
Symptom
There is no beep sound
when the player is
operated.
The player gets warm.  The player may get warm when the battery is
The sound is heard
from the inside of the
player. The player
shakes.
Case and/or corrective action
 "Beep" is set to "Beep Off." Set it to "Beep On"
(  page 53 ).
being charged and just after charging because of
quick charge. Besides, the player may get warm
when transferring a large number of tracks. Leave
the player aside for a while.
 When the built-in hard disk of the player moves,
the sound of operation may be heard, and the
vibration of the player occurs. This is not a
malfunction.
72
GB