R5906848 /04 DP2K SLP Series392
26.5 Cleaning procedures non optical components
Components to clean
1. Anode Fan air intake side.
2. Card Cage air intake side.
3. Card Cage interior.
4. SMPS compartment.
5. Laser Driver Module (LDM).
6. Projector external covers.
7. Projector dust filters.
Anode Fan air intake side
1. Remove the small dust filter from the projector. For removal instructions see “Check the small dust filter”, page
285.
2. Clean the air inlet with a vacuum cleaner and a brush.
Caution: Do not blow with compressed air to avoid dust distribution inside the projector.
Card Cage air intake side
1. Remove the large dust filter from the projector. For removal instructions see “Check the large dust filter”, page
284.
2. Clean the metal mesh grid of the card cage fans and the fans itself with a vacuum cleaner and brush.
Caution: Do not blow with compressed air to avoid dust distribution inside the Card Cage.
Card Cage interior
1. Remove the projector top cover and top cover plate. See “Removal of the top cover”, page 273, and “Removal
of the top cover plate of the Light Processor compartment”, page 275.
2. Remove all boards out of the Card Cage.
Caution: Wear a wrist band which is connected to the ground while handling the electrostatic
discharge sensitive parts.
3. Clean the ICP fan on top of the Card Cage with a vacuum cleaner and brush.
4. Clean the mesh grid and fan grid inside the card cage with a vacuum cleaner and brush.
5. Clean the boards with compressed air, but be careful not to damage components.
6. Install all boards.
7. Install the top cover plate. See “Installation of the top cover plate of the Light Processor compartment”, page
278.
SMPS compartment
1. Remove the Card Cage cover. See “Removal of the Card Cage cover”, page 228.
2. Remove the cover of the SMPS compartment and the SMPS board. See “Removing the SMPS board”, page
40.
3. Clean the mesh grid and fan grid inside the SMPS compartment with a vacuum cleaner and brush.
4. Install the SMPS board and the cover of the SMPS compartment. See “Installing the SMPS board”, page 42.
5. Install the Card Cage cover. See “Installation of the Card Cage cover”, page 245.
Projector cleaning
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