Troubleshooting - Texas Instruments DLP DLPC4420AEVM User Manual

Software

3.1.6 Troubleshooting

USB Communication Error
Figure 3-16. USB Communication Error
I2C communication error
Figure 3-17. I2C communication error
Programming Mode error
Figure 3-18. Programming Mode error
Tool bars or panels missing
26 DLP ® Display ≥0.47-in Array 4K UHD Evaluation Module
Problem
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Possible Resolutions
Verify the correct communication settings have been applied.
Make sure the USB cable is connected both to the projector
and computer.
Verify the correct communication settings have been applied.
Make sure a DeVaSys box and the appropriate USB and I2C
cables are connected.
Check the connection settings and try again.
Note
If this occurs only occasionally, then increase the
programming delay to 20000 ms.
Figure 3-19. Device Programming Delay
Increase
Figure 3-20. Tool Bar and Panel Display
Settings
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DLPU126 – DECEMBER 2023
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