Panasonic PT-D3500U Series, Руководство по обслуживанию

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(2) Loosen the 2 screws fixing the lamp unit until they idle, hold the
handles and take the lamp unit out.
Note:
When installing the lamp unit (or a new one) in the main
unit, place it in a specified position and press the right and
left sides of the lamp unit, and confirm the lamp unit is
inserted securely. Then, tighten the 2 screws fixing the
lamp unit, and close the lamp unit cover.
11.11. Removal of Optical Block
(1) Remove the A-P.C.Board block according to the steps 1 through
5 in the section 11.3. "Removal of A-P.C.Board".
(2) Unscrew the 6 screws and remove the shield case.
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PT-D3500U / PT-D3500E