XV-Z21000 (serv.man5). Optical Unit Outline - Sharp Projector Service Manual (repair manual). Page 3

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XV-Z20000/XV-Z21000/DT-5000
3 – 3
4. Joint of DMD and the unit
Wipe to clean the contamination of the PWB contacting part (gold plating part) with ethanol.
Set the position of the interposer with DMD attached to the optical unit, and then put the unit PWB on the interposer.
Sandwich the unit PWB and the back plate with the heatsink from the reverse side of the unit PWB and tighten with screws and springs.
The tightening toruqus is 0.45
±0.05 Nm (4.5Kgfcm)
Formatter unit
Backer plate
Heat sink
Spring (4pcs)
Screw (4pcs)
Backer Plate Sheet
Carbon Sheet
DMD
DMD Shield
Interposer
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