Panasonic PT-D7700U / PT-D7700E (serv.man2) Service Manual / Other ▷ View online
3. Remove the DMD(R) plates.
*Must be removed by grasping the bracket plate.
*Pull DMD(R) plates from top side then remove.
*Glue at the bottom side should be breaking apart.
*Pull DMD(R) plates from top side then remove.
*Glue at the bottom side should be breaking apart.
Disassembly procedure 2
DMD(R) block
After DMD(R) block disassembly
4. Take off 2 screws and remove a board
spring which holds the DMD plate.
*Use Precision driver
Board spring which holds the DMD bracket
Disassembly procedure 3
3. Remove the adhesive bond which
comes with the bracket.
(Both prism plates and DMD plates)
(Both prism plates and DMD plates)
Complete adhesive removal
Hardened adhesive
Complete adhesive removal
Cleaning procedure
Confirmation of the dust
Confirmation of the dust
1. Confirm whether the surface of the
prism does not have dust.
*When there is dust, remove it with blow air.
*When cannot remove dust, let ethanol soak into a
*When cannot remove dust, let ethanol soak into a
cotton swab and remove it.
*Do not leave the minute dust either.
1 Pix = About 14μm
Prism side
DMD tip side
2. Confirm whether the surface of the
DMD chip does not have dust.
*When there is dust, remove it with blow air.
*When cannot remove dust, let ethanol soak into a
*When cannot remove dust, let ethanol soak into a
cotton swab and remove it.
*Do not leave the minute dust either.
1 Pix = About 14μm
Assembly procedure 1
1. Install a board spring which holds the
DMD plate with 2 screws.
* Use Precision driver
2. Push a board spring which holds the
DMD plate and narrow the gap that
spread out.
spread out.
Board spring which holds the DMD bracket
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