Philips HX5451/45 User Manual page 11

C
4 Now insert the screwdriver into the middle slot located on the
top front part of the handle as shown and push the blade in as
far as it will go.
C
5 Now use the screwdriver as a lever to pry the 2 handle
sections apart.
C
6 Pull the 2 handle sections completely apart.
C
7 Insert the screwdriver underneath the electronic circuit board
in multiple places.
C
8 Twist and pry the electronic circuit board loose until it is
completely separated from the handle.
ENGLISH
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