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DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
8
1. 2. FM-PCB mounting
Heat dissipation compound :
Shin-Etsu Silicone [ G-776 ] grade 0.05g
Apply heat dissipation compound
DMD heatsink type
DMD radiator pump type
2) Clean up on the rear of the DMD chip
t Remove the old heat dissipantion compound on the rear
surface of the DMD chip cleanly.
1. Preparation
1) DMD heatsink or DMD radiator pump preparation
t Remove the old heat dissipantion punpound on the rear
surface of DMD heatsink or DMD radiator pump and apply
new one evenly.
t Take care that compound does not stick out.
Interposer
Remove the
remaining com-
pound cleanly.
Caution!
Do not touch the part of the metal pin on the interposer and the
contact part on the FM-PCB. Cause the poor contact outbreak
DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
9
2. Mount the FM-PCB on the DMD unit.
1. Mount the FM-PCB and insulation sheet and backer plate on the DMD unit.
2. Tighten 4 screws-B each in numerical order 1 to 4 as shown in the picture to fix them on the DMD unit.
3. (G-DMD only) Mount the thermistor on the backer plate. Its mounting method may differ depending on the models.
3. Mount the radiator pump or heatsink on the DMD unit.
1
3
4
2
(Torque:70 N•cm)
(Torque:70 N•cm)
(Torque:70 N•cm)
(Torque:70 N•cm)
1
2
3
4
1
2
3
4
(Torque:70 N•cm)
(Torque:70 N•cm)
E.g.: PT-RZ31K series
E.g.: PT-RZ12K series
Thermistor
Thermistor
Heatsink
Radiator pump
Pump hold spring
(In case of radiator pump type)
1. Mount the radiator pump with the pump hold spring on to
the DMD unit.
2. Tighten 2 screws-A to fix the pump hold spring.
(In case of heatsink type)
1. Mount the heatsink on the DMD unit and Tighten 4 screws-
A each in numerical order 1 to 4 as shown in the picture.
Smaller dia side
of spring comes
to screw head
side
A
C
C
B
B
A
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.
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