LG HU85LA, Service Manual, Page: 11 / 30

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Only training and service purposes.
- DMD & DMD PCBA Disassembly Guide
(Assembling in reverse order)
(1) After disassembling the top cover assy, make
the heat-sink visible.
(5) Release the locking part of the blue marked part
with a (-) screwdriver, and then remove the DMD.
(6) DMD disassembly and new DMD replacement
(2) Disassemble 4 Heatsink fixed Screws (including
Spring).
(3) Separate DMD Heatsink and leaf spring.
(4) Carefully lift the PCBA in the direction of the
arrow. Make the glass surface of the DMD visible
while being attached to the DMD and the PCB.
DMD cable is connected
* Cable must be removed when
replacing DMD PCBA.
Direction
indication
Lock
Un-
Lock
180˚ rotation