Panasonic PT-D10000U Service Manual page 37

(1) Remove the upper case according to the section 12.2. "Removal
of Upper Case".
(2) Loosen each of 3 screws until they idle, remove the lamp units 1
and 2.
(3) Unscrew each of 1 screw and release each of 1 lamp unit
terminal of Ballast-1 and Ballast-2.
(4) Unscrew the 6 screws and remove the block of Ballast-1 and
Ballast-2.
37
PT-D10000U / PT-D10000E / PT-DW10000U / PT-DW10000E