Hi rvwing Sorry for delay reply,I just have a test with the TBS6928 own scan tool(TBS6928-Blind Scan),it is work well. what is the scan tool you used and Are you using the lastest driver version.
Hi unbatron would you used the lastest driver? this is the lastest driver download linkhttp://www.tbsdtv.com/english/Download.html.Would you mind test it without DVBlink,try to the other software. if you can,the best updated the BIOS.