PT-RZ470U, PT-RZ470E, PT-RZ470EA, PT-RW430U, PT-RW430E, PT-RW430EA (serv.man4) - Panasonic Projector Service Manual (repair manual). Page 8

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DIS-8
6. Remove 5 screws (5 x ordinal +type silver tap screws) then remove the optical block.
* Disconnect the flex cable on D-PCB from the laser unit, then proceed the removal step of optical block.
* Lift the optical block a little, then disconnect 2 cables on D-PCB from LED unit.
* Disconnect 1 cable on PD-PCB.
7. Remove 3 screws (ordinal + type silver screws with washers) then remove the lens unit from the DMD block.
* Please watch carefully not to loose the SIM spacers between lens unit and DMD block.
8. Remove 3 screws (3mm hex screws) then separate the DMD block from the lighting block.
DMD block
Lighting block
XVE4A10FT  (3mm hex screw)
100±20 
N・cm
XYN3+F20FJ
Lens unit
70±10 
N・cm
105±15 
N・cm
Optical block
* Peel off the aluminum tape at the position of screw hole.
XTB4+12GFJ
[ CAUTION ]
Unplug the Flex cable before  
remove the optical block.
<Optical block>
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