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crwdns2933797:0Philip Le Richecrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Philip Le Riche
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| + | [* black] Follow the light path and inspect carefully for dust or contamination. These pictures show the optical assembly upside down. |
|---|---|
| + | [* black] Light enters from the lamp on the right, facing the screen (on the left in this picture since it's upside down). |
| + | [* black] The light then passes through the colour wheel ... |
| + | [* black] ... and into the collimator. |
| + | [* icon_note] If dust or contamination has been sucked into the projector by the fan, it can deposit on and around the collimator, resulting in shadowy patches on the projected image. |
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