Mar. 2008 MT-90U To prevent dust entry, apply cushion tape to the LCD unit. Do not peel off the backing paper. Secure the LCD wiring in place on the back of the front case using acetate tape. fig.kumitate-8.eps fig.kumitate-5-e.eps Do not peel off the backing paper. fig.kumitate-9-e.eps To prevent light leakage by the LCD backlight from the speaker grille, apply acetate tape having a width of 12 mm. fig.kumitate-6.eps Not OK Secure the IrDA cover in place using double-sided adhesive tape having a width of 5 mm. fig.kumitate-10.eps fig.kumitate-7-e.eps fig.kumitate-11.eps Not OK 12