Panasonic PT-D7700U - Page 41

(8) Loosen the 2 screws fixing the lamp unit until 2 they idle and
remove the lamp unit 2.
(9) Unscrew the 2 screws fixing the lamp unit terminal for ballast-2.
(10) Unscrew the 3 screws and remove the ballast-2 fan.
(11) Unscrew the 1 screw and remove the heat insulated cover.
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PT-D7700U / PT-D7700E