Light Processor Diagnostic - Barco DP2K-12C Service Manual

8. Light processor assembly
8.2

Light processor diagnostic

Troubleshooting of the Light Processor assembly
There are several reasons why a removal or a replacement of the Light Processor is required. Nevertheless, try to avoid unnec-
essary removal of the Light Processor. The list below gives an overview of the most common problems which require removal or
replacement of the Light Processor. Check this list to ensure the problem is caused by the Light Processor.
• Artifacts in the projected image. These artifacts are also visible on the internal service patterns of the Formatter boards.
• A crack in the prism, which can result in convergence problems and may disables you to focus the projected image.
• Damaged integration rod, which causes permanent spots in the projected image.
• Blocked dowser (shutter). Dowser does not respond when pressing the "DOWSER" button.
• Blocked cooling fan
Check the projector log files for errors or warnings and look for a solution in the chapter "Troubleshooting",
page 27.
138 R5905043 DP2K-12C/11CX 19/02/2018