Barco DP2K-12C, Руководство по обслуживанию

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12. Card Cage
12.14 Replacement of the signal back plane
About the Signal back plane
• Provides direct connection between all components listed below:
-
Fan Controller
- Integrated Cinema Processor
- HD-SDI Board
- Cinema Controller
- ID card
• All DC voltages are passed through this board from SMPS board to fi nal board / module.
• Provides cable connection between all components listed below:
-
SMPS board
- Pump
- Lens motors and lens holder
- Light processor
- CLO sensor
- Dolby 3D controller
- Fans
- Security switches
- Temperature sensors
- Touch panel
- Keypad
- Prism switch sensor
- Dowser
Necessary tools
• Flat blade screwdriver
• 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.
1
2
A
B
Image 12-36
Convergence cover plate
3. Remove the button panel assembly, "Removing the button unit", page 219.
Remove :
-
the fan controller board.
- Integrated cinema controller board
- the HD-SDI board
- Cinema controller board
4. Pull the small handle a little backwards and then to the front of the projector until the fi lter frame is released and slide out the fi lter.
R5905043 DP2K-12C/11CX 19/02/2018 231