R5906848 /04 DP2K SLP Series 133
Image 10-28
6. Adjust the Fold Mirror for nominal position. Do this by turning each adjustment nut in or out until the threaded
rod 4.5mm sticks out above the adjustment nut. See detail in Image 10-28.
7. Carefully install the Light Sensor assembly on the Corner Block. Use a 2.5mm Allen wrench to fasten the four
screws (reference 2 Image 10-26).
8. Install the side cover plate of the Corner Block. Use a 2.5mm Allen wrench to fasten the three screws
(reference 1 Image 10-25).
9. Connect the wire of the Light Sensor module.
The adjustable Fold Mirror has to be readjusted after replacement!
10.17 Adjusting the Fold Mirror
Purpose of the Fold Mirror
The Fold Mirror is folding up the light path of the projector to make the projector more compact. The Fold
Mirror is located at the left side of the Light Pipe and reflects the light, which entrance the Light Pipe via the
Integration Rod, upon the prism of the Light Processor. The position of the light spot upon the DMD's can be
adjusted with the Fold Mirror.
CAUTION: Normally the Fold Mirror should never be readjusted in the field. In case a readjustment
is required follow the instructions in this chapter precisely. Only qualified technicians who have
experience with adjusting the Fold Mirror may adjust the Fold Mirror. A misaligned Fold Mirror may
cause irreversible damage to other parts of the projector!
When starting the readjustment procedure?
When dark parts (small dark bars) or yellow lines are visible in one of the corners of the projected image.
Start by adjusting the folding mirror. In most cases that will be sufficient to eliminate these small
misalignments. If not, continue with the adjustment of the integration rod.
To access all three adjustment screws of the Fold Mirror the left side projector cover and the side
plate of the Light Processor compartment have to be removed. This adjustment procedure assumes
that these components are already removed.
Required tools
5.5 mm nut driver.
Light Pipe
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