Samsung HLRS078WX/XAA Service Manual page 116

Disassembly & Reassembly
12-1-3 Separation of the optical engine
PartName' Description DeScription P hoto
Optical (_ Remove the three screws to remove the bracket.
Engine : TH,B,M4.L15,BLK,SWRCH 18A
:2 The connector from the Power Supply to the Ballast has to
be removed before the Light Engine can be taken out of the unit.
(_ Remove the engine by pulling it out of the cabinet.
jR: Be careful when removing the Light Engine as it may get
caught up by the upper cable of the case.
12-6 SamsungElectronics