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Section 4: Troubleshooting
4.3
TPC
1. If the TPC fails to initialize, re-boot the projector.
2. A failed TPC usually indicates a system failure requiring service.
3. If the TPC display is blank, touch the display screen to disable the screen saver. If the display screen is still
blank, ensure the TPC is on by opening the flap at the back of the TPC and verify the grey button in the
bottom left corner is ON. Also ensure that the connector is securely plugged into the back of the projector.
4. If the locations of button presses on the screen seem to be misinterpreted, the TPC screen may need
recalibrating. In the Administrator Setup: Preferences window, tap the
follow the onscreen instructions.
4.4
Ethernet
4.4.1 Trouble Establishing Communication with Projector
Ensure Ethernet settings are valid for the site. All devices should have the same subnet mask yet unique IP
addresses.
4.5
Displays
Before proceeding, ensure to consult the documentation supplied with the external equipment.
4.5.1 Blank Screen, No Display of Image
1. Ensure the lens cap is not on either end of the lens.
2. Ensure the lamp is ON.
3. Confirm all power connections are still OK.
4. Ensure the douser is OPEN by verifying the state of the douser on Main panel as well as the state of the
douser switch at the back of the projector in the top, left corner.
5. Ensure any test pattern other than the full black test pattern displays properly.
6. Is the correct display file selected?
7. Is the correct port connected for this display file (i.e., 292-A or 292-B)?
Check connections.
4.5.2 Severe Motion Artifacts
Most likely there is a synchronization problem with reversed 3-2 pull-down in 60 Hz-to-24 Hz film-to-digital
conversion in your source. The display file needs correction.
4.5.3 Colors in the Display are Inaccurate
The color, tint, color space and/or color temperature settings may require adjustment at your input source or in
the Channel Setup: Config 2 window. Ensure the correct PCF, TCGD and Color Space file for the source are
used.
4-4
button and
Calibrate Screen
D4K35 Service Manual
020-100817-01 Rev. 1 (04-2012)
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