A refurbished picture projection unit lamp assembly comprising a housing for mounting within a projection unit and a lamp assembly. The assembly has a parabolic reflector with an inner reflective surface and a centrally located receiving aperture. A ceramic reflector base that is connected to an outer surface of the reflector has a mounting aperture aligned with the receiving aperture. An operable lamp is mounted within the mounting aperture leaving a gap between the lamp and the mounting aperture. At least one previously applied layer of ceramic cement partially fills the gap between the mounting aperture and the lamp. At least one newly applied layer of ceramic cement is applied adjacent the previously applied layer and the lamp filling the gap between the lamp and the mounting aperture holding and centering the lamp horizontally and vertically within the receiving aperture. The lamp has a spliced lead to complete the assembly.
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