ViewSonic PJ452 - LCD XGA Projector-4.9LBS Service Manual page 44

Service manual

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7. Replace the LCD/PRSM assembly

To keep up good condition on optics. Please pay attention to the LCD/PRSM ASSY exchange.

Please follow the direction below in order to exchange parts.

(1) How to remove damaged LCD/PRSM ASSY

Please detach PANEL COVER.

When you take off PANEL COVER, please take care not to break its hooks.

Please don't break bosses.

Please remove three screws (M2x8).

Please remove damaged LCD/PRSM ASSY from

OPT BTTM CASE vertically to avoid the possibility

that the positioning boss cracks.

(2) How to install new LCD/PRSM ASSY

Please don't LCD PANEL contact with other parts.

Please install new LCD/PRSM ASSY into OPT BTTM

CASE vertically to avoid the possibility that the posi-

tioning boss cracks. Note that LCD PANEL don't

come in contact with other parts when you install it.

Please tighten up a screw (M2x8) in order of 1→2→3.

reference : at tightening torque 0.15~0.3N·m.

Please attach PANEL COVER.

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PJ452

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