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DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
4
Necessary tools and equipment
- Phillips screw driver x 1
- 3.0mm diameter shaft type
driver x 2
- Ball pointed hex driver
(M1.5):DPVF2457ZA/X1
(M2.5)
- Straight head hex driver (M2.0)
- L shaped ball pointed hex wrench
(M2.0/M2.5)
30mm
or more
- Special wrench
(DPKW1001ZA)
- Flat screw driver
(Head size 3mm x 1 / 4mm x1)
- Hand gloves
- Micro fiber cloth or Micro fiber
paper
- Air blower for lens cleaning
- Adhesive bond (3M: DP420)
- Heat dissipation grease
DPVF1614ZA (100g)
or Shin-Etsu Silicone [G-776]
grade
- TIR alignment tool
(1PO1DZ21K2)
- AC adopter
(5V/2A, ɸ5.5mm)
- Convergence adjustment support
tool for DZ8700/DZ13K series
(1UB2DZ13KU)
(Refer to separate procedure for
guidance)
DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
5
Check items to be taken for replacing procedure
Take the proper procedure following to the chart below.
Replace DMD chip. Take "[2] DMD chip replacement"
on page 10~21.
Replace TIR prism. Take "[4] TIR prism replacement"
on page 29~37.
Replace DMD chip. Take "[2] DMD chip
replacement" on page 6~9.
Replace FM-PCB or DG-PCB. Take "[1] FM-PCB
replacement" on page 6~9.
Complete
Take "[3] Convergence adjustment" on page 22~28.
Air blow can solve?
DMD chip cleaning solve?
Dust problem?
Dust problem?
Refurbish to be made in Japan.
DMD base issue?
(Prism crack, glass washer crack?)
Formatter oriented problem?
Contamination?
DMD chip oriented problem?
TIR prism oriented problem?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
6
[1] FM-PCB replacement
Tools:
• Phillips screw driver
1. 1. FM-PCB removal
DMD heatsink
B
A
C
Backer plate
Insulation sheet
DMD block
Thermistor*
* only for G-DMD
FM-PCB
Smooth sur-
face side comes
to FM-PCB side.
Smaller dia side
of spring comes
to screw head
side
[Note]:
• The mounting method of the thermistor differs depending on
the models. For further information, refer to each model's
service manual.
E.g.: PT-RZ12K series
1. Remove 4 screws/spring-A and take off the heatsink from the DMD unit.
2. Remove 4 screws-B and take off the backer plate and FM-PCB from the
DMD unit..
DMD chip, FM-PCB and TIR prism Replacing Procedure
DMD chip, FM-PCB and TIR prism Replacing Procedure
7
Radiator pump
Pump hold spring
B
A
C
Backer plate
Insulation sheet
DMD block
Thermistor*
* only for G-DMD
FM-PCB
Smooth sur-
face side comes
to FM-PCB side.
[Note]:
• The mounting method of the thermistor differs depending on
the models. For further information, refer to each model's
service manual.
E.g.: PT-RZ31K series
1. Remove 2 screws-A and take off the pump support spring and pump radiator from the DMD unit.
2. Remove 4 screws-B and take off the backer plate and FM-PCB from the DMD unit..