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3-chip DLP / PT-D7700 series
DMD block Cleaning
& Convergence adjustment Procedure
Service Support Department
Media Entertainment Business Division
TSD1706E004
Item
* list of necessary tools
* Disassembly procedure
* Cleaning & Re-Assembly procedure
* Convergence Adjustment procedure
list of necessary tools
* Hex driver ( 2.5mm )
* Philips screw driver
* ESD discharging wrist strap
* Retractable cutter knife
* Rubber gloves
* Ethanol
* Epoxy glue : 3M DP-420
2. Take off 2 hex screws fixing the
Alignment bracket.
*Use 2.5mm hex driver
Disassembly procedure 1
DMD block
DMD (R) block
DMD (B) block
DMD (G) block
<An example> DMD (R)
1. Specify a defective DMD.
=> An example to DMD(R)
*Attach the ESD discharging wrist strap, and touch the
DMD block.
*DMD(B) cannot coordinate a convergence.
