Sharp AN-60KT Service Anleitung Seite 16

PG-M25X
6. Removing the formatter PWB
6-1. Disconnect the connector.
6-2. Remove the two lock screws from the heat sink.
6-3. Remove the four lock screws from the backer plate assembly, and detach the formatter PWB.
Note: The DMD (Digital Micromirror Device) unit is easily affected by static electricity. In handling this unit, be sure
to wear a wristband or take other anti-static measure.
Precautions in replacing the DMD chip
Note: Be careful not to allow dust and fingerprint
on the cover glass of DMD chip and prism
surface of optical engine.
1. When you fix 4screws of backer plate assembly,
press backer plate to formatter PWB and fix
them by cross multiply step by step.
2. If something shade appears on the projection
screen like Fig1, release 2 screws on mirror
adjusting plate and move that plate to adjust
illumination area of DMD chip.
Fig.1
6-1
DMD (Digital Micromirror
Device) unit
Mirror adjusting
plate
Shade
16
Formatter PWB unit
Backer plate assembly
6-3
6-2
Heat sink
2
Prism surface
DMD (Digital Micromirror
Device) chip
+Outer Frame
+C-spring
Formatter PWB unit
Backer plate assembly
1
Heat sink