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DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
12
2. 2. DMD unit disassembling
1. Remove 4 screws/spring-A and take off the DMD heatsink.
2. Remove 4 screws-B and take off the FM-PCB.
3. Remove 2 screws-E and take off the DMD aperture unit.
4. Remove the DMD chip from the alignment plate.
DMD heatsink
B
E
A
C
Backer plate
Insulation sheet
DMD chip
Alignment plate
DMD aperture unit
Thermistor*
* only for G-DMD
Interposer
FM-PCB
Smooth sur-
face side comes
to FM-PCB side.
Smaller dia side
of spring comes
to screw head
side
E.g.: PT-RZ12K series
[Note]:
• The mounting method of the thermistor differs depending on
the models. For further information, refer to each model's
service manual.
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