11.11. Removal of Power Supply Block
(1) Remove the upper case according to the section 11.3. "Removal
of Upper Case".
(2) Unscrew the 2 screws and remove the intake duct.
(3) Unscrew the 4 screws and remove the power supply block cover.
(4) Unscrew the 2 screws fixing the power supply block.
(5) Disconnect the connectors (PA1, PA3, PA4) to the PA-
P.C.Board.
(6) Disconnect all the connectors on the PC-P.C.Board.
(7) Slide the power supply block backward (to the center direction of
the projector) to disconnect the engagement part in the bottom
and take it out.
11.12. Removal of PA-P.C.Board
(1) Remove the power supply block according to the section 11.11.
"Removal of Power Supply Block".
(2) Unscrew the 2 screws fixing the heat sink on PA-P.C.Board.
(3) Unscrew the 2 screws and remove the PA-P.C.Board.
36
PT-D7700U / PT-D7700E
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