Quick-Start Guide
8
SLAU726 – August 2017
Copyright © 2017, Texas Instruments Incorporated
DAC90x Evaluation Module
2.4
Quick-Start Troubleshooting
Use
to assist with problems that may have occurred during the quick-start procedure.
Table 2. Troubleshooting Tips
Issue
Troubleshooting Tips
General problems
Verify the test setup shown in
and repeat the setup procedure as described in
this document.
Check power supplies to the EVMs. Verify that the power switches are in the ON position
and supplies are drawing the appropriate current.
Check signal and clock connections to the EVM.
Check that all boards are properly connected together.
Try power-cycling the external power supply to the EVMs.
TSW1400 LEDs are not correct:
D2 – D9 OFF
Verify the settings of the configuration switches on the TSW1400EVM.
Verify that the EVM configuration GUI is communicating with the USB and that the
configuration procedure has been followed.
Try capturing data in HSDC Pro to force an LED status update.
HSDC Pro software is not
capturing good data or analysis
results are incorrect.
Verify that the TSW1400EVM is properly connected to the PC with a mini-USB cable and
that the board serial number is properly identified by the HSDC Pro software.
Check that the proper DAC device is selected, and the proper configuration file is being
used.
Check that the analysis parameters are properly configured.
HSDC Pro software gives a time-
out error when capturing data
Restart HSDC Pro and reload the firmware.
Verify that the data rate is correct in the HSDC Pro software.
Sub-optimal measured
performance
Adjust the delay time of DAC clock.
Measure test points to verify operating voltage ranges.
Verify jumper configurations are in default locations.
Verify that filters are used in the clock and input signal paths and that low-noise signal
sources are used.
