Panasonic TY-ST103PF9 Manuel D'installation page 14

8. Mounting the front cover
1. Raise the front cover  slightly, align it with
the left and right of the metal frame, and push
it in until it will go no further.
2. From the left and right sides of the rear cover,
mount the front cover using the front and rear
cover mounting screws  (2 at the left and 2
at the right) and fix it.
Front/rear cover mounting screws
(M5×14) 
Front cover 
27