12.14 Replacement of the signal back plane
About the Signal back plane
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Provides direct connection between all components listed below:
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Fan Controller
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Integrated Cinema Processor
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HD-SDI Board
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Cinema Controller
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ID card
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All DC voltages are passed through this board from SMPS board to final board / module.
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Provides cable connection between all components listed below:
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SMPS board
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Pump
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Lens motors and lens holder
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Light processor
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CLO sensor
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Dolby 3D controller
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Fans
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Security switches
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Temperature sensors
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Touch panel
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Keypad
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Prism switch sensor
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Dowser
Necessary tools
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Flat blade screwdriver
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Allen key 2.5 mm
Preparations
1. Remove the front, input cover and top cover, see Removal and Installation of the projector covers.
2. Remove the convergence cover plate as follow:
a) Loosen both screws (reference 1 and 2).
b) Slide the plate forwards until all hooks at both sides of the plate become free.
c) Take off the plate.
Image 12-36
Convergence cover plate
3. Remove the button panel assembly, "Removing the button unit", page 219.
Remove :
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the fan controller board.
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Integrated cinema controller board
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the HD-SDI board
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Cinema controller board
4. Pull the small handle a little backwards and then to the front of the projector until the filter frame is released and slide out the filter.
R5905043 DP2K-12C/11CX 19/02/2018
B
A
2
1
12. Card Cage
231