Philips DVD701/931 - Manual (Page 29)

33
Cleaning discs
Some problems occur because the disc inside the player
is dirty. To avoid these problems clean your discs regularly, in the following
way:
● When a disc becomes dirty, clean it with a cleaning cloth. Wipe the disc
from the center out.
Caution: Do not use solvents such as benzine, thinner,
commercially available cleaners, or anti-static spray intended for
analog discs.
BEFORE REQUESTING SERVICE