Casio QV-770 Service Manual page 25

Unscrew three screws (S2) fixing backlight, then remove the backlight.
three screws (S2)
When assembling, make sure to put each sheet in order.
diffusion sheet (10)
filter sheet (9)
LCM spacer (8)
Remove two screws (S2) fixing PCB-K773-KB ass'y (20), then remove PCB-K773-KB ass'y (20).
two screws (S2)
Remove LCD (6). When assembling, make sure reverse side of the LCD is free from dust.
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