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DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
10
[2] DMD chip replacement
Tools:
• Phillips screw driver, Phillips screw driver with 3.0mm diameter shaft x 2
• Flat screw driver
• Straight head hex driver [M2.0] and hex wrench [5.5mm] or special wrench (DPKW1001ZA)
Basic procedure of DMD chip replacement
1. Chose one of the R,G, B-DMD chip to be replaced.
2. Replace with a new DMD chip according to the procedure described below.
3. Mount the DMD block back on the projector.
4. Take the convergence adjustment.
5. Repeat step 1 to 4 for remaining DMD chips.
6. Take the color uniformity adjustment on menu [DISPLAY OPTION - [UNIFORMITY], referring to the instruction manual of
2. Replace with a new DMD chip according to the procedure described below.
3. Mount the DMD block back on the projector.
4. Take the convergence adjustment.
5. Repeat step 1 to 4 for remaining DMD chips.
6. Take the color uniformity adjustment on menu [DISPLAY OPTION - [UNIFORMITY], referring to the instruction manual of
each model*.
* Available models: PT-DZ21K, DZ21K2, RZ12K, RZ31K, RZ21K, Q13K, RQ32K, RQ22K series
DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
11
DMD block
G-DMD unit
D
2. 1. DMD unit removal
1. Chose one of the DMD unit of R, G and B-DMD unit to be replaced.
2. Remove 4 screws-D and take off the DMD unit from the DMD block.
[Note]: The fixing screw type differs depending on the DMD types.
E.g.: PT-RZ12K series
[Note]:
• When loosing screws-D, do not use ball pointed hex driver but use
2.0 mm straight hex driver and special wrench (DPKW1001Z) for
the longer screws.
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.
DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
13
E
B
Backer plate
Radiator pump
Pump hold spring
Insulation sheet
DMD chip
Alignment plate *
DMD aperture unit
Aperture holder
Heat conductive sheet*
* only for G-DMD
Interposer
FM-PCB
Smooth sur-
face side comes
to FM-PCB side.
Thermistor*
* only for G-DMD
1. Remove 2 screws-A and take off the radiator pump.
2. Remove 4 screws-B and take off the FM-PCB.
3. Remove 6 screws-D and 2 aperture holder, and take off the
DMD aperture unit.
4. Remove the DMD chip from the alignment plate.
Thermistor
Thermistor
sponge
C
A
E.g.: PT-RZ31K 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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