21. DMD, DMD Board, CLGA & DMD heatsink elements
Image 21-4
Note: Plastic insulation film is applied to the DMD backer plate. Film must be facing the DMD board.
21.4 CLGA&DMD
1. Carefully remove the CLG A interface including the DM D.
2. Avoid getting fingerprints on the DMD front glass and surface or rear connec tion points.
Image 21-5
Note: Always mo unt CLGA with DMD back onto heatsink assy with correct orientation, as shown in illustration abov e. T he text
on the back of DMD should b e read able.
21.5 R e-assembly after PCB DM D or DMD/CLGA repair
1. lean the surface of the Peltier elem ent and heatsink S tud. U se plastic car d or s imilar to rem ove old phase c hange m aterial, clean
with Brake and clutch cleaner (Isopropanol may be used but is not equally effective).
2. Add the phase change material onto the Peltier elem ent and stud before ass embling the heatsink assem blies together.
723–0016 F90 01/12/2017
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