Hitachi ED-X20EF Service Manual page 44

c. Detach the upper case
When detaching the upper case.
Detach the circle point side fi rst. Otherwise, upper case will be damaged.
Make sure not to damage the upper case ribs (square pointed).
Make sure not to touch reverse side of main board.
When attaching the upper case.
Attach the triangle point side fi rst. Make sure not to touch any parts of main board.
Make sure not to damage the upper case ribs (square pointed).
ED-X20EF (M1-20ED)
CAUTION
CAUTION
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