Sony SLV-D100 Operating Instructions Manual page 67

You can shuffle the playback order of titles,
chapters, or @a&s. Subsequent "shuffiing"
may produce a different playing order.
REPLAY/
Press REPEAT when the DVD player is in stop
mode.
PESS to select RAWDBM, then press
ENTER.
Various play mode functions (Program play,
Random play,
Repeat phyi 67